From 1e80bcbc402e0a79954d466d7aced2a17c1d319a Mon Sep 17 00:00:00 2001 From: Udit Gaurav Date: Thu, 23 Jul 2020 06:39:12 +0530 Subject: [PATCH 1/2] chore(exp): Add pod autoscaler experiment used to check the salability of the application pod Signed-off-by: Udit Gaurav --- build/generate_go_binary | 2 + .../litmus/pod_autoscaler/pod-autoscaler.go | 219 ++++++++++++++++++ experiments/generic/pod-autoscaler/README.md | 69 ++++++ .../pod-autoscaler/pod-autoscaler-k8s-job.yml | 57 +++++ .../generic/pod-autoscaler/pod-autoscaler.go | 135 +++++++++++ go.sum | 4 + .../pod-autoscaler/environment/environment.go | 49 ++++ pkg/generic/pod-autoscaler/types/types.go | 24 ++ 8 files changed, 559 insertions(+) create mode 100644 chaoslib/litmus/pod_autoscaler/pod-autoscaler.go create mode 100644 experiments/generic/pod-autoscaler/README.md create mode 100644 experiments/generic/pod-autoscaler/pod-autoscaler-k8s-job.yml create mode 100644 experiments/generic/pod-autoscaler/pod-autoscaler.go create mode 100644 pkg/generic/pod-autoscaler/environment/environment.go create mode 100644 pkg/generic/pod-autoscaler/types/types.go diff --git a/build/generate_go_binary b/build/generate_go_binary index b9c890ae1..12229ad0c 100644 --- a/build/generate_go_binary +++ b/build/generate_go_binary @@ -26,3 +26,5 @@ go build -o build/_output/node-cpu-hog ./experiments/generic/node-cpu-hog go build -o build/_output/container-kill ./experiments/generic/container-kill # Buiding go binaries for disk_fill experiment go build -o build/_output/disk-fill ./experiments/generic/disk-fill +# Buiding go binaries for pod-autoscaler experiment +go build -o build/_output/pod-autoscaler ./experiments/generic/pod-autoscaler diff --git a/chaoslib/litmus/pod_autoscaler/pod-autoscaler.go b/chaoslib/litmus/pod_autoscaler/pod-autoscaler.go new file mode 100644 index 000000000..61613f5b7 --- /dev/null +++ b/chaoslib/litmus/pod_autoscaler/pod-autoscaler.go @@ -0,0 +1,219 @@ +package pod_autoscaler + +import ( + "strconv" + "time" + + clients "github.com/litmuschaos/litmus-go/pkg/clients" + experimentTypes "github.com/litmuschaos/litmus-go/pkg/generic/pod-autoscaler/types" + "github.com/litmuschaos/litmus-go/pkg/log" + "github.com/litmuschaos/litmus-go/pkg/types" + metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" + retries "k8s.io/client-go/util/retry" + + "github.com/pkg/errors" +) + +var err error + +//PreparePodAutoscaler contains the prepration steps before chaos injection +func PreparePodAutoscaler(experimentsDetails *experimentTypes.ExperimentDetails, clients clients.ClientSets, resultDetails *types.ResultDetails, eventsDetails *types.EventDetails, chaosDetails *types.ChaosDetails) error { + + appName, replicaCount, err := GetApplicationDetails(experimentsDetails, clients) + if err != nil { + return errors.Errorf("Unable to get the relicaCount of the application, err: %v", err) + } + + //Waiting for the ramp time before chaos injection + if experimentsDetails.RampTime != 0 { + log.Infof("[Ramp]: Waiting for the %vs ramp time before injecting chaos", strconv.Itoa(experimentsDetails.RampTime)) + waitForRampTime(experimentsDetails) + } + if err != nil { + return errors.Errorf("Unable to get the serviceAccountName, err: %v", err) + } + + err = PodAutoscalerChaos(experimentsDetails, clients, replicaCount, appName) + + if err != nil { + return errors.Errorf("Unable to perform autoscaling, due to %v", err) + } + + err = AutoscalerReovery(experimentsDetails, clients, replicaCount, appName) + + if err != nil { + return errors.Errorf("Unable to perform autoscaling, due to %v", err) + } + + //Waiting for the ramp time after chaos injection + if experimentsDetails.RampTime != 0 { + log.Infof("[Ramp]: Waiting for the %vs ramp time after injecting chaos", strconv.Itoa(experimentsDetails.RampTime)) + waitForRampTime(experimentsDetails) + } + return nil +} + +//waitForRampTime waits for the given ramp time duration (in seconds) +func waitForRampTime(experimentsDetails *experimentTypes.ExperimentDetails) { + time.Sleep(time.Duration(experimentsDetails.RampTime) * time.Second) +} + +//GetApplicationDetails is used to get the application name, replicas of the application +func GetApplicationDetails(experimentsDetails *experimentTypes.ExperimentDetails, clients clients.ClientSets) (string, int, error) { + + var appReplica int + var appName string + applicationClient := clients.KubeClient.AppsV1().Deployments(experimentsDetails.ChaosNamespace) + // Get Deployment replica count + applicationList, err := applicationClient.List(metav1.ListOptions{}) + if err != nil { + return "", 0, errors.Errorf("Unable to get application, err: %v", err) + } + for _, app := range applicationList.Items { + appReplica = int(*app.Spec.Replicas) + appName = app.Name + + } + return appName, appReplica, nil + +} + +//PodAutoscalerChaos scales up the application pod replicas +func PodAutoscalerChaos(experimentsDetails *experimentTypes.ExperimentDetails, clients clients.ClientSets, replicaCount int, appName string) error { + + applicationClient := clients.KubeClient.AppsV1().Deployments(experimentsDetails.ChaosNamespace) + + replicas := int32(experimentsDetails.Replicas) + // Scale Application + retryErr := retries.RetryOnConflict(retries.DefaultRetry, func() error { + // Retrieve the latest version of Deployment before attempting update + // RetryOnConflict uses exponential backoff to avoid exhausting the apiserver + result, err := applicationClient.Get(appName, metav1.GetOptions{}) + if err != nil { + return errors.Errorf("Failed to get latest version of Application Deployment: %v", err) + } + + result.Spec.Replicas = int32Ptr(replicas) // modify replica count + _, updateErr := applicationClient.Update(result) + return updateErr + }) + if retryErr != nil { + return errors.Errorf("Unable to scale the application, due to: %v", retryErr) + } + log.Info("Application Started Scaling") + + err = ApplicationPodStatusCheck(experimentsDetails, appName, clients, replicaCount) + if err != nil { + return errors.Errorf("Status Check failed, err: %v", err) + } + + return nil +} + +// ApplicationPodStatusCheck checks the status of the application pod +func ApplicationPodStatusCheck(experimentsDetails *experimentTypes.ExperimentDetails, appName string, clients clients.ClientSets, replicaCount int) error { + + //ChaosStartTimeStamp contains the start timestamp, when the chaos injection begin + ChaosStartTimeStamp := time.Now().Unix() + + failFlag := false + applicationClient := clients.KubeClient.AppsV1().Deployments(experimentsDetails.AppNS) + applicationDeploy, err := applicationClient.Get(appName, metav1.GetOptions{}) + if err != nil { + return errors.Errorf("Unable to get the application, err: %v", err) + } + for count := 0; count < int(experimentsDetails.ChaosDuration/2); count++ { + + if int(applicationDeploy.Status.AvailableReplicas) != experimentsDetails.Replicas { + + log.Infof("Application Pod Avaliable Count is: %s", strconv.Itoa(int(applicationDeploy.Status.AvailableReplicas))) + applicationDeploy, err = applicationClient.Get(appName, metav1.GetOptions{}) + if err != nil { + return errors.Errorf("Unable to get the application, err: %v", err) + } + + time.Sleep(2 * time.Second) + //ChaosCurrentTimeStamp contains the current timestamp + ChaosCurrentTimeStamp := time.Now().Unix() + + //ChaosDiffTimeStamp contains the difference of current timestamp and start timestamp + //It will helpful to track the total chaos duration + chaosDiffTimeStamp := ChaosCurrentTimeStamp - ChaosStartTimeStamp + if int(chaosDiffTimeStamp) >= experimentsDetails.ChaosDuration { + failFlag = true + break + } + } else { + break + } + } + if failFlag == true { + err = AutoscalerReovery(experimentsDetails, clients, replicaCount, appName) + if err != nil { + return errors.Errorf("Unable to perform autoscaling, due to %v", err) + } + return errors.Errorf("Application pod fails to come in running state after Chaos Duration of %d sec", experimentsDetails.ChaosDuration) + } + // Keeping a wait time of 10s after all pod comes in running state + // This is optional and used just for viewing the pod status + time.Sleep(10 * time.Second) + + return nil +} + +//AutoscalerReovery scale back to initial number of replica +func AutoscalerReovery(experimentsDetails *experimentTypes.ExperimentDetails, clients clients.ClientSets, replicaCount int, appName string) error { + + applicationClient := clients.KubeClient.AppsV1().Deployments(experimentsDetails.ChaosNamespace) + + // Scale back to initial number of replicas + retryErr := retries.RetryOnConflict(retries.DefaultRetry, func() error { + // Retrieve the latest version of Deployment before attempting update + // RetryOnConflict uses exponential backoff to avoid exhausting the apiserver + result, err := applicationClient.Get(appName, metav1.GetOptions{}) + if err != nil { + return errors.Errorf("Failed to get latest version of Application Deployment: %v", err) + } + + result.Spec.Replicas = int32Ptr(int32(replicaCount)) // modify replica count + _, updateErr := applicationClient.Update(result) + return updateErr + }) + if retryErr != nil { + return errors.Errorf("Unable to scale the, due to: %v", retryErr) + } + log.Info("[Info]: Application Started Scaling back") + + applicationDeploy, err := clients.KubeClient.AppsV1().Deployments(experimentsDetails.AppNS).Get(appName, metav1.GetOptions{}) + if err != nil { + return errors.Errorf("Unable to get the application, err: %v", err) + } + failFlag := false + // Check for 30 retries with 2secs of delay + for count := 0; count < 30; count++ { + + if int(applicationDeploy.Status.AvailableReplicas) != replicaCount { + + applicationDeploy, err = applicationClient.Get(appName, metav1.GetOptions{}) + if err != nil { + return errors.Errorf("Unable to get the application, err: %v", err) + } + time.Sleep(2 * time.Second) + if count == 30 { + failFlag = true + break + } + + } else { + break + } + } + if failFlag == true { + return errors.Errorf("Application fails to roll back") + } + log.Info("[RollBack]: Application Pod roll back to initial number of replicas") + + return nil +} + +func int32Ptr(i int32) *int32 { return &i } diff --git a/experiments/generic/pod-autoscaler/README.md b/experiments/generic/pod-autoscaler/README.md new file mode 100644 index 000000000..7331a49e3 --- /dev/null +++ b/experiments/generic/pod-autoscaler/README.md @@ -0,0 +1,69 @@ +## Experiment CR for the pod-autoscaler experiment + +``` +apiVersion: litmuschaos.io/v1alpha1 +description: + message: | + Scale the deployment replicas to check the autoscaling capability +kind: ChaosExperiment +metadata: + name: pod-autoscaler + version: 0.1.0 +spec: + definition: + scope: Namespaced + permissions: + - apiGroups: + - "" + - "apps" + - "batch" + - "litmuschaos.io" + resources: + - "deployments" + - "jobs" + - "pods" + - "pods/log" + - "events" + - "configmaps" + - "chaosengines" + - "chaosexperiments" + - "chaosresults" + verbs: + - "create" + - "list" + - "get" + - "patch" + - "update" + - "delete" + - apiGroups: + - "" + resources: + - "nodes" + verbs: + - "get" + - "list" + image: "litmuschaos/go-runner:ci" + imagePullPolicy: Always + args: + - -c + - ./experiments/pod-autoscaler + command: + - /bin/bash + env: + + - name: TOTAL_CHAOS_DURATION + value: '60' + + - name: REPLICA_COUNT + value: '5' + + # Period to wait before and after injection of chaos in sec + - name: RAMP_TIME + value: '' + + - name: LIB + value: 'litmus' + labels: + name: pod-autoscaler + +``` \ No newline at end of file diff --git a/experiments/generic/pod-autoscaler/pod-autoscaler-k8s-job.yml b/experiments/generic/pod-autoscaler/pod-autoscaler-k8s-job.yml new file mode 100644 index 000000000..c65b27bac --- /dev/null +++ b/experiments/generic/pod-autoscaler/pod-autoscaler-k8s-job.yml @@ -0,0 +1,57 @@ +--- +apiVersion: batch/v1 +kind: Job +metadata: + generateName: pod-autoscaler- +spec: + template: + metadata: + labels: + experiment: pod-autoscaler + spec: + # Placeholder that is updated by the executor for automated runs + # Provide appropriate SA (with desired permissions) if executed manually + serviceAccountName: %CHAOS_SERVICE_ACCOUNT% + restartPolicy: Never + containers: + - name: gotest + image: litmuschaos/go-runner:ci + imagePullPolicy: Always + env: + # provide application namespace + - name: APP_NAMESPACE + value: '' + + # provide application labels + - name: APP_LABEL + value: '' + + # provide application kind + - name: APP_KIND + value: '' + + - name: TOTAL_CHAOS_DURATION + value: '30' + + - name: REPLICA_COUNT + value: '' + + - name: CHAOS_NAMESPACE + value: '' + + ## Period to wait before/after injection of chaos + - name: RAMP_TIME + value: '' + + ## env var that describes the library used to execute the chaos + ## Only supported litmus + - name: LIB + value: 'litmus' + + - name: CHAOS_SERVICE_ACCOUNT + valueFrom: + fieldRef: + fieldPath: spec.serviceAccountName + + command: ["/bin/bash"] + args: ["-c", "./experiments/pod-autoscaler"] diff --git a/experiments/generic/pod-autoscaler/pod-autoscaler.go b/experiments/generic/pod-autoscaler/pod-autoscaler.go new file mode 100644 index 000000000..db4181081 --- /dev/null +++ b/experiments/generic/pod-autoscaler/pod-autoscaler.go @@ -0,0 +1,135 @@ +package main + +import ( + "github.com/litmuschaos/litmus-go/chaoslib/litmus/pod_autoscaler" + clients "github.com/litmuschaos/litmus-go/pkg/clients" + "github.com/litmuschaos/litmus-go/pkg/events" + experimentEnv "github.com/litmuschaos/litmus-go/pkg/generic/pod-autoscaler/environment" + experimentTypes "github.com/litmuschaos/litmus-go/pkg/generic/pod-autoscaler/types" + "github.com/litmuschaos/litmus-go/pkg/log" + "github.com/litmuschaos/litmus-go/pkg/result" + "github.com/litmuschaos/litmus-go/pkg/status" + "github.com/litmuschaos/litmus-go/pkg/types" + "github.com/sirupsen/logrus" +) + +func init() { + // Log as JSON instead of the default ASCII formatter. + logrus.SetFormatter(&logrus.TextFormatter{ + FullTimestamp: true, + DisableSorting: true, + DisableLevelTruncation: true, + }) +} + +func main() { + + var err error + experimentsDetails := experimentTypes.ExperimentDetails{} + resultDetails := types.ResultDetails{} + eventsDetails := types.EventDetails{} + clients := clients.ClientSets{} + chaosDetails := types.ChaosDetails{} + + //Getting kubeConfig and Generate ClientSets + if err := clients.GenerateClientSetFromKubeConfig(); err != nil { + log.Fatalf("Unable to Get the kubeconfig due to %v", err) + } + + //Fetching all the ENV passed from the runner pod + log.Infof("[PreReq]: Getting the ENV for the %v experiment", experimentsDetails.ExperimentName) + experimentEnv.GetENV(&experimentsDetails, "pod-autoscaler") + + // Intialise Chaos Result Parameters + types.SetResultAttributes(&resultDetails, experimentsDetails.EngineName, experimentsDetails.ExperimentName) + + // Intialise the chaos attributes + experimentEnv.InitialiseChaosVariables(&chaosDetails, &experimentsDetails) + + //Updating the chaos result in the beginning of experiment + log.Infof("[PreReq]: Updating the chaos result of %v experiment (SOT)", experimentsDetails.ExperimentName) + err = result.ChaosResult(&chaosDetails, clients, &resultDetails, "SOT") + if err != nil { + log.Errorf("Unable to Create the Chaos Result due to %v", err) + failStep := "Updating the chaos result of pod-autoscaler experiment (SOT)" + types.SetResultAfterCompletion(&resultDetails, "Fail", "Completed", failStep) + err = result.ChaosResult(&chaosDetails, clients, &resultDetails, "EOT") + return + } + + // Set the chaos result uid + result.SetResultUID(&resultDetails, clients, &chaosDetails) + + //DISPLAY THE APP INFORMATION + log.InfoWithValues("The application informations are as follows", logrus.Fields{ + "Namespace": experimentsDetails.AppNS, + "Label": experimentsDetails.AppLabel, + "Ramp Time": experimentsDetails.RampTime, + }) + + //PRE-CHAOS APPLICATION STATUS CHECK + log.Info("[Status]: Verify that the AUT (Application Under Test) is running (pre-chaos)") + err = status.CheckApplicationStatus(experimentsDetails.AppNS, experimentsDetails.AppLabel, clients) + if err != nil { + log.Errorf("Application status check failed due to %v\n", err) + failStep := "Verify that the AUT (Application Under Test) is running (pre-chaos)" + types.SetResultAfterCompletion(&resultDetails, "Fail", "Completed", failStep) + result.ChaosResult(&chaosDetails, clients, &resultDetails, "EOT") + return + } + if experimentsDetails.EngineName != "" { + types.SetEngineEventAttributes(&eventsDetails, types.PreChaosCheck, "AUT is Running successfully", &chaosDetails) + events.GenerateEvents(&eventsDetails, clients, &chaosDetails, "ChaosEngine") + } + + // Including the litmus lib for pod-autoscaler + if experimentsDetails.ChaosLib == "litmus" { + err = pod_autoscaler.PreparePodAutoscaler(&experimentsDetails, clients, &resultDetails, &eventsDetails, &chaosDetails) + if err != nil { + log.Errorf("Chaos injection failed due to %v\n", err) + failStep := "Including the litmus lib for pod-autoscaler" + types.SetResultAfterCompletion(&resultDetails, "Fail", "Completed", failStep) + result.ChaosResult(&chaosDetails, clients, &resultDetails, "EOT") + return + } + log.Info("[Confirmation]: The application pod autoscaler completed successfully") + resultDetails.Verdict = "Pass" + } else { + log.Error("[Invalid]: Please Provide the correct LIB") + failStep := "Including the litmus lib for pod-autoscaler" + types.SetResultAfterCompletion(&resultDetails, "Fail", "Completed", failStep) + result.ChaosResult(&chaosDetails, clients, &resultDetails, "EOT") + return + } + + //POST-CHAOS APPLICATION STATUS CHECK + log.Info("[Status]: Verify that the AUT (Application Under Test) is running (post-chaos)") + err = status.CheckApplicationStatus(experimentsDetails.AppNS, experimentsDetails.AppLabel, clients) + if err != nil { + log.Errorf("Application status check failed due to %v\n", err) + failStep := "Verify that the AUT (Application Under Test) is running (post-chaos)" + types.SetResultAfterCompletion(&resultDetails, "Fail", "Completed", failStep) + result.ChaosResult(&chaosDetails, clients, &resultDetails, "EOT") + return + } + if experimentsDetails.EngineName != "" { + types.SetEngineEventAttributes(&eventsDetails, types.PostChaosCheck, "AUT is Running successfully", &chaosDetails) + events.GenerateEvents(&eventsDetails, clients, &chaosDetails, "ChaosEngine") + } + + //Updating the chaosResult in the end of experiment + log.Infof("[The End]: Updating the chaos result of %v experiment (EOT)", experimentsDetails.ExperimentName) + err = result.ChaosResult(&chaosDetails, clients, &resultDetails, "EOT") + if err != nil { + log.Fatalf("Unable to Update the Chaos Result due to %v\n", err) + } + if experimentsDetails.EngineName != "" { + msg := experimentsDetails.ExperimentName + " experiment has been " + resultDetails.Verdict + "ed" + types.SetEngineEventAttributes(&eventsDetails, types.Summary, msg, &chaosDetails) + events.GenerateEvents(&eventsDetails, clients, &chaosDetails, "ChaosEngine") + } + + msg := experimentsDetails.ExperimentName + " experiment has been " + resultDetails.Verdict + "ed" + types.SetResultEventAttributes(&eventsDetails, types.Summary, msg, &resultDetails) + events.GenerateEvents(&eventsDetails, clients, &chaosDetails, "ChaosResult") +} diff --git a/go.sum b/go.sum index 56bab8b56..563afc9f0 100644 --- a/go.sum +++ b/go.sum @@ -205,6 +205,7 @@ github.com/onsi/gomega v1.4.2 h1:3mYCb7aPxS/RU7TI1y4rkEn1oKmPRjNJLNEXgw7MH2I= github.com/onsi/gomega v1.4.2/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY= github.com/openebs/maya v0.0.0-20200411140727-1c81f9e017b0 h1:9o6+N3YkssQvUlmJnqNULSxsGFO/rb1we8MtYKr5ze4= github.com/openebs/maya v0.0.0-20200411140727-1c81f9e017b0/go.mod h1:QQY9cOHKQwZ73qbv6O//UYUBLNV2S0MRDIfG7t5KOCk= +github.com/openebs/maya v1.12.0 h1:2GpPko7evtIulR9oryE5DlUj7VzKgQAjHjwKaf00dfU= github.com/pborman/uuid v1.2.0/go.mod h1:X/NO0urCmaxf9VXbdlT7C2Yzkj2IKimNn4k+gtPdI/k= github.com/peterbourgon/diskv v2.0.1+incompatible/go.mod h1:uqqh8zWWbv1HBMNONnaR/tNboyR3/BZd58JJSHlUSCU= github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= @@ -386,9 +387,12 @@ k8s.io/apiextensions-apiserver v0.0.0-20190918201827-3de75813f604 h1:Kl/sh+wWzYK k8s.io/apiextensions-apiserver v0.0.0-20190918201827-3de75813f604/go.mod h1:7H8sjDlWQu89yWB3FhZfsLyRCRLuoXoCoY5qtwW1q6I= k8s.io/apimachinery v0.0.0-20190817020851-f2f3a405f61d h1:7Kns6qqhMAQWvGkxYOLSLRZ5hJO0/5pcE5lPGP2fxUw= k8s.io/apimachinery v0.0.0-20190817020851-f2f3a405f61d/go.mod h1:3jediapYqJ2w1BFw7lAZPCx7scubsTfosqHkhXCWJKw= +k8s.io/apimachinery v0.18.6 h1:RtFHnfGNfd1N0LeSrKCUznz5xtUP1elRGvHJbL3Ntag= k8s.io/apiserver v0.0.0-20190918200908-1e17798da8c1/go.mod h1:4FuDU+iKPjdsdQSN3GsEKZLB/feQsj1y9dhhBDVV2Ns= k8s.io/client-go v0.0.0-20190918200256-06eb1244587a h1:huOvPq1vO7dkuw9rZPYsLGpFmyGvy6L8q6mDItgkdQ4= k8s.io/client-go v0.0.0-20190918200256-06eb1244587a/go.mod h1:3YAcTbI2ArBRmhHns5vlHRX8YQqvkVYpz+U/N5i1mVU= +k8s.io/client-go v1.5.1 h1:XaX/lo2/u3/pmFau8HN+sB5C/b4dc4Dmm2eXjBH4p1E= +k8s.io/client-go v11.0.0+incompatible h1:LBbX2+lOwY9flffWlJM7f1Ct8V2SRNiMRDFeiwnJo9o= k8s.io/code-generator v0.0.0-20190612205613-18da4a14b22b/go.mod h1:G8bQwmHm2eafm5bgtX67XDZQ8CWKSGu9DekI+yN4Y5I= k8s.io/component-base v0.0.0-20190918200425-ed2f0867c778/go.mod h1:DFWQCXgXVLiWtzFaS17KxHdlUeUymP7FLxZSkmL9/jU= k8s.io/gengo v0.0.0-20190116091435-f8a0810f38af/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8IAqLxYwwyPxAX1Pzy0ii0= diff --git a/pkg/generic/pod-autoscaler/environment/environment.go b/pkg/generic/pod-autoscaler/environment/environment.go new file mode 100644 index 000000000..b3d5dc3d9 --- /dev/null +++ b/pkg/generic/pod-autoscaler/environment/environment.go @@ -0,0 +1,49 @@ +package environment + +import ( + "os" + "strconv" + + experimentTypes "github.com/litmuschaos/litmus-go/pkg/generic/pod-autoscaler/types" + "github.com/litmuschaos/litmus-go/pkg/types" + clientTypes "k8s.io/apimachinery/pkg/types" +) + +//GetENV fetches all the env variables from the runner pod +func GetENV(experimentDetails *experimentTypes.ExperimentDetails, expName string) { + experimentDetails.ExperimentName = expName + experimentDetails.ChaosNamespace = Getenv("CHAOS_NAMESPACE", "litmus") + experimentDetails.EngineName = Getenv("CHAOSENGINE", "") + experimentDetails.ChaosDuration, _ = strconv.Atoi(Getenv("TOTAL_CHAOS_DURATION", "60")) + experimentDetails.RampTime, _ = strconv.Atoi(Getenv("RAMP_TIME", "0")) + experimentDetails.ChaosLib = Getenv("LIB", "litmus") + experimentDetails.AppNS = Getenv("APP_NAMESPACE", "") + experimentDetails.AppLabel = Getenv("APP_LABEL", "") + experimentDetails.AppKind = Getenv("APP_KIND", "") + experimentDetails.Replicas, _ = strconv.Atoi(Getenv("REPLICA_COUNT", "")) + experimentDetails.ChaosUID = clientTypes.UID(Getenv("CHAOS_UID", "")) + experimentDetails.InstanceID = Getenv("INSTANCE_ID", "") + experimentDetails.ChaosPodName = Getenv("POD_NAME", "") + experimentDetails.AuxiliaryAppInfo = Getenv("AUXILIARY_APPINFO", "") +} + +// Getenv fetch the env and set the default value, if any +func Getenv(key string, defaultValue string) string { + value := os.Getenv(key) + if value == "" { + value = defaultValue + } + return value +} + +//InitialiseChaosVariables initialise all the global variables +func InitialiseChaosVariables(chaosDetails *types.ChaosDetails, experimentDetails *experimentTypes.ExperimentDetails) { + + chaosDetails.ChaosNamespace = experimentDetails.ChaosNamespace + chaosDetails.ChaosPodName = experimentDetails.ChaosPodName + chaosDetails.ChaosUID = experimentDetails.ChaosUID + chaosDetails.EngineName = experimentDetails.EngineName + chaosDetails.ExperimentName = experimentDetails.ExperimentName + chaosDetails.InstanceID = experimentDetails.InstanceID + +} diff --git a/pkg/generic/pod-autoscaler/types/types.go b/pkg/generic/pod-autoscaler/types/types.go new file mode 100644 index 000000000..3087fd0a4 --- /dev/null +++ b/pkg/generic/pod-autoscaler/types/types.go @@ -0,0 +1,24 @@ +package types + +import ( + clientTypes "k8s.io/apimachinery/pkg/types" +) + +// ExperimentDetails is for collecting all the experiment-related details +type ExperimentDetails struct { + ExperimentName string + EngineName string + ChaosDuration int + RampTime int + Replicas int + ChaosLib string + AppNS string + AppLabel string + AppKind string + ChaosUID clientTypes.UID + InstanceID string + ChaosNamespace string + ChaosPodName string + RunID string + AuxiliaryAppInfo string +} From 3e3a42690cb856f9f384a68c77f017f41f2726ad Mon Sep 17 00:00:00 2001 From: Udit Gaurav Date: Fri, 7 Aug 2020 14:13:24 +0530 Subject: [PATCH 2/2] Adding abort in the experiment Signed-off-by: Udit Gaurav --- .../litmus/pod_autoscaler/pod-autoscaler.go | 60 +- .../generic/pod-autoscaler/pod-autoscaler.go | 12 +- go.mod | 1 + go.sum | 4 - .../pod-autoscaler/environment/environment.go | 2 + pkg/generic/pod-autoscaler/types/types.go | 2 + .../litmuschaos/v1alpha1/chaosengine_types.go | 84 +- vendor/golang.org/x/sys/unix/mkasm_darwin.go | 78 ++ vendor/golang.org/x/sys/unix/mkmerge.go | 521 +++++++++ vendor/golang.org/x/sys/unix/mkpost.go | 127 +++ vendor/golang.org/x/sys/unix/mksyscall.go | 402 +++++++ .../x/sys/unix/mksyscall_aix_ppc.go | 415 ++++++++ .../x/sys/unix/mksyscall_aix_ppc64.go | 614 +++++++++++ .../x/sys/unix/mksyscall_solaris.go | 341 ++++++ .../golang.org/x/sys/unix/mksysctl_openbsd.go | 355 +++++++ vendor/golang.org/x/sys/unix/mksysnum.go | 190 ++++ vendor/golang.org/x/sys/unix/types_aix.go | 237 +++++ vendor/golang.org/x/sys/unix/types_darwin.go | 283 +++++ .../golang.org/x/sys/unix/types_dragonfly.go | 269 +++++ vendor/golang.org/x/sys/unix/types_freebsd.go | 406 ++++++++ vendor/golang.org/x/sys/unix/types_netbsd.go | 300 ++++++ vendor/golang.org/x/sys/unix/types_openbsd.go | 283 +++++ vendor/golang.org/x/sys/unix/types_solaris.go | 269 +++++ vendor/golang.org/x/text/unicode/bidi/gen.go | 133 +++ .../x/text/unicode/bidi/gen_ranges.go | 57 + .../x/text/unicode/bidi/gen_trieval.go | 64 ++ .../x/text/unicode/norm/maketables.go | 986 ++++++++++++++++++ .../golang.org/x/text/unicode/norm/triegen.go | 117 +++ vendor/golang.org/x/text/width/gen.go | 115 ++ vendor/golang.org/x/text/width/gen_common.go | 96 ++ vendor/golang.org/x/text/width/gen_trieval.go | 34 + .../k8s.io/apimachinery/pkg/util/wait/doc.go | 19 + .../k8s.io/apimachinery/pkg/util/wait/wait.go | 504 +++++++++ vendor/k8s.io/client-go/util/retry/OWNERS | 4 + vendor/k8s.io/client-go/util/retry/util.go | 79 ++ vendor/modules.txt | 146 +-- 36 files changed, 7447 insertions(+), 162 deletions(-) create mode 100644 vendor/golang.org/x/sys/unix/mkasm_darwin.go create mode 100644 vendor/golang.org/x/sys/unix/mkmerge.go create mode 100644 vendor/golang.org/x/sys/unix/mkpost.go create mode 100644 vendor/golang.org/x/sys/unix/mksyscall.go create mode 100644 vendor/golang.org/x/sys/unix/mksyscall_aix_ppc.go create mode 100644 vendor/golang.org/x/sys/unix/mksyscall_aix_ppc64.go create mode 100644 vendor/golang.org/x/sys/unix/mksyscall_solaris.go create mode 100644 vendor/golang.org/x/sys/unix/mksysctl_openbsd.go create mode 100644 vendor/golang.org/x/sys/unix/mksysnum.go create mode 100644 vendor/golang.org/x/sys/unix/types_aix.go create mode 100644 vendor/golang.org/x/sys/unix/types_darwin.go create mode 100644 vendor/golang.org/x/sys/unix/types_dragonfly.go create mode 100644 vendor/golang.org/x/sys/unix/types_freebsd.go create mode 100644 vendor/golang.org/x/sys/unix/types_netbsd.go create mode 100644 vendor/golang.org/x/sys/unix/types_openbsd.go create mode 100644 vendor/golang.org/x/sys/unix/types_solaris.go create mode 100644 vendor/golang.org/x/text/unicode/bidi/gen.go create mode 100644 vendor/golang.org/x/text/unicode/bidi/gen_ranges.go create mode 100644 vendor/golang.org/x/text/unicode/bidi/gen_trieval.go create mode 100644 vendor/golang.org/x/text/unicode/norm/maketables.go create mode 100644 vendor/golang.org/x/text/unicode/norm/triegen.go create mode 100644 vendor/golang.org/x/text/width/gen.go create mode 100644 vendor/golang.org/x/text/width/gen_common.go create mode 100644 vendor/golang.org/x/text/width/gen_trieval.go create mode 100644 vendor/k8s.io/apimachinery/pkg/util/wait/doc.go create mode 100644 vendor/k8s.io/apimachinery/pkg/util/wait/wait.go create mode 100644 vendor/k8s.io/client-go/util/retry/OWNERS create mode 100644 vendor/k8s.io/client-go/util/retry/util.go diff --git a/chaoslib/litmus/pod_autoscaler/pod-autoscaler.go b/chaoslib/litmus/pod_autoscaler/pod-autoscaler.go index 61613f5b7..37774fede 100644 --- a/chaoslib/litmus/pod_autoscaler/pod-autoscaler.go +++ b/chaoslib/litmus/pod_autoscaler/pod-autoscaler.go @@ -1,12 +1,17 @@ package pod_autoscaler import ( + "os" + "os/signal" "strconv" + "syscall" "time" clients "github.com/litmuschaos/litmus-go/pkg/clients" + "github.com/litmuschaos/litmus-go/pkg/events" experimentTypes "github.com/litmuschaos/litmus-go/pkg/generic/pod-autoscaler/types" "github.com/litmuschaos/litmus-go/pkg/log" + "github.com/litmuschaos/litmus-go/pkg/result" "github.com/litmuschaos/litmus-go/pkg/types" metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" retries "k8s.io/client-go/util/retry" @@ -33,14 +38,13 @@ func PreparePodAutoscaler(experimentsDetails *experimentTypes.ExperimentDetails, return errors.Errorf("Unable to get the serviceAccountName, err: %v", err) } - err = PodAutoscalerChaos(experimentsDetails, clients, replicaCount, appName) + err = PodAutoscalerChaos(experimentsDetails, clients, replicaCount, appName, resultDetails, eventsDetails, chaosDetails) if err != nil { return errors.Errorf("Unable to perform autoscaling, due to %v", err) } err = AutoscalerReovery(experimentsDetails, clients, replicaCount, appName) - if err != nil { return errors.Errorf("Unable to perform autoscaling, due to %v", err) } @@ -79,7 +83,7 @@ func GetApplicationDetails(experimentsDetails *experimentTypes.ExperimentDetails } //PodAutoscalerChaos scales up the application pod replicas -func PodAutoscalerChaos(experimentsDetails *experimentTypes.ExperimentDetails, clients clients.ClientSets, replicaCount int, appName string) error { +func PodAutoscalerChaos(experimentsDetails *experimentTypes.ExperimentDetails, clients clients.ClientSets, replicaCount int, appName string, resultDetails *types.ResultDetails, eventsDetails *types.EventDetails, chaosDetails *types.ChaosDetails) error { applicationClient := clients.KubeClient.AppsV1().Deployments(experimentsDetails.ChaosNamespace) @@ -102,7 +106,7 @@ func PodAutoscalerChaos(experimentsDetails *experimentTypes.ExperimentDetails, c } log.Info("Application Started Scaling") - err = ApplicationPodStatusCheck(experimentsDetails, appName, clients, replicaCount) + err = ApplicationPodStatusCheck(experimentsDetails, appName, clients, replicaCount, resultDetails, eventsDetails, chaosDetails) if err != nil { return errors.Errorf("Status Check failed, err: %v", err) } @@ -111,11 +115,12 @@ func PodAutoscalerChaos(experimentsDetails *experimentTypes.ExperimentDetails, c } // ApplicationPodStatusCheck checks the status of the application pod -func ApplicationPodStatusCheck(experimentsDetails *experimentTypes.ExperimentDetails, appName string, clients clients.ClientSets, replicaCount int) error { +func ApplicationPodStatusCheck(experimentsDetails *experimentTypes.ExperimentDetails, appName string, clients clients.ClientSets, replicaCount int, resultDetails *types.ResultDetails, eventsDetails *types.EventDetails, chaosDetails *types.ChaosDetails) error { //ChaosStartTimeStamp contains the start timestamp, when the chaos injection begin ChaosStartTimeStamp := time.Now().Unix() - + var endTime <-chan time.Time + timeDelay := time.Duration(experimentsDetails.ChaosDuration) * time.Second failFlag := false applicationClient := clients.KubeClient.AppsV1().Deployments(experimentsDetails.AppNS) applicationDeploy, err := applicationClient.Get(appName, metav1.GetOptions{}) @@ -143,6 +148,49 @@ func ApplicationPodStatusCheck(experimentsDetails *experimentTypes.ExperimentDet failFlag = true break } + + // signChan channel is used to transmit signal notifications. + signChan := make(chan os.Signal, 1) + // Catch and relay certain signal(s) to signChan channel. + signal.Notify(signChan, os.Interrupt, syscall.SIGTERM, syscall.SIGKILL) + loop: + for { + endTime = time.After(timeDelay) + + select { + case <-signChan: + err = AutoscalerReovery(experimentsDetails, clients, replicaCount, appName) + if err != nil { + return errors.Errorf("Unable to perform autoscaling, due to %v", err) + } + // updating the chaosresult after stopped + failStep := "Pod autoscaler chaos injection stopped!" + types.SetResultAfterCompletion(resultDetails, "Fail", "Stopped", failStep) + result.ChaosResult(chaosDetails, clients, resultDetails, "EOT") + + // generating summary event in chaosengine + msg := experimentsDetails.ExperimentName + " experiment has been aborted" + types.SetEngineEventAttributes(eventsDetails, types.Summary, msg, "Warning", chaosDetails) + events.GenerateEvents(eventsDetails, clients, chaosDetails, "ChaosEngine") + + // generating summary event in chaosresult + types.SetResultEventAttributes(eventsDetails, types.Summary, msg, "Warning", resultDetails) + events.GenerateEvents(eventsDetails, clients, chaosDetails, "ChaosResult") + + os.Exit(1) + case <-endTime: + log.Infof("[Chaos]: Time is up for experiment: %v", experimentsDetails.ExperimentName) + endTime = nil + break loop + + } + + } + + err = AutoscalerReovery(experimentsDetails, clients, replicaCount, appName) + if err != nil { + return errors.Errorf("Unable to perform autoscaling, due to %v", err) + } } else { break } diff --git a/experiments/generic/pod-autoscaler/pod-autoscaler.go b/experiments/generic/pod-autoscaler/pod-autoscaler.go index db4181081..eccb735f5 100644 --- a/experiments/generic/pod-autoscaler/pod-autoscaler.go +++ b/experiments/generic/pod-autoscaler/pod-autoscaler.go @@ -69,7 +69,7 @@ func main() { //PRE-CHAOS APPLICATION STATUS CHECK log.Info("[Status]: Verify that the AUT (Application Under Test) is running (pre-chaos)") - err = status.CheckApplicationStatus(experimentsDetails.AppNS, experimentsDetails.AppLabel, clients) + err = status.CheckApplicationStatus(experimentsDetails.AppNS, experimentsDetails.AppLabel, experimentsDetails.Timeout, experimentsDetails.Delay, clients) if err != nil { log.Errorf("Application status check failed due to %v\n", err) failStep := "Verify that the AUT (Application Under Test) is running (pre-chaos)" @@ -78,7 +78,7 @@ func main() { return } if experimentsDetails.EngineName != "" { - types.SetEngineEventAttributes(&eventsDetails, types.PreChaosCheck, "AUT is Running successfully", &chaosDetails) + types.SetEngineEventAttributes(&eventsDetails, types.PreChaosCheck, "AUT is Running successfully", "Normal", &chaosDetails) events.GenerateEvents(&eventsDetails, clients, &chaosDetails, "ChaosEngine") } @@ -104,7 +104,7 @@ func main() { //POST-CHAOS APPLICATION STATUS CHECK log.Info("[Status]: Verify that the AUT (Application Under Test) is running (post-chaos)") - err = status.CheckApplicationStatus(experimentsDetails.AppNS, experimentsDetails.AppLabel, clients) + err = status.CheckApplicationStatus(experimentsDetails.AppNS, experimentsDetails.AppLabel, experimentsDetails.Timeout, experimentsDetails.Delay, clients) if err != nil { log.Errorf("Application status check failed due to %v\n", err) failStep := "Verify that the AUT (Application Under Test) is running (post-chaos)" @@ -113,7 +113,7 @@ func main() { return } if experimentsDetails.EngineName != "" { - types.SetEngineEventAttributes(&eventsDetails, types.PostChaosCheck, "AUT is Running successfully", &chaosDetails) + types.SetEngineEventAttributes(&eventsDetails, types.PostChaosCheck, "AUT is Running successfully", "Normal", &chaosDetails) events.GenerateEvents(&eventsDetails, clients, &chaosDetails, "ChaosEngine") } @@ -125,11 +125,11 @@ func main() { } if experimentsDetails.EngineName != "" { msg := experimentsDetails.ExperimentName + " experiment has been " + resultDetails.Verdict + "ed" - types.SetEngineEventAttributes(&eventsDetails, types.Summary, msg, &chaosDetails) + types.SetEngineEventAttributes(&eventsDetails, types.Summary, msg, "Normal", &chaosDetails) events.GenerateEvents(&eventsDetails, clients, &chaosDetails, "ChaosEngine") } msg := experimentsDetails.ExperimentName + " experiment has been " + resultDetails.Verdict + "ed" - types.SetResultEventAttributes(&eventsDetails, types.Summary, msg, &resultDetails) + types.SetResultEventAttributes(&eventsDetails, types.Summary, msg, "Normal", &resultDetails) events.GenerateEvents(&eventsDetails, clients, &chaosDetails, "ChaosResult") } diff --git a/go.mod b/go.mod index 177585e5c..6d58e7c9a 100644 --- a/go.mod +++ b/go.mod @@ -21,6 +21,7 @@ require ( github.com/pkg/errors v0.9.1 github.com/sirupsen/logrus v1.6.0 github.com/spf13/pflag v1.0.5 // indirect + github.com/stretchr/objx v0.1.1 // indirect github.com/stretchr/testify v1.4.0 // indirect golang.org/x/crypto v0.0.0-20200429183012-4b2356b1ed79 // indirect golang.org/x/net v0.0.0-20200506145744-7e3656a0809f // indirect diff --git a/go.sum b/go.sum index 820f1759c..84e596c35 100644 --- a/go.sum +++ b/go.sum @@ -197,7 +197,6 @@ github.com/onsi/gomega v1.7.0 h1:XPnZz8VVBHjVsy1vzJmRwIcSwiUO+JFfrv/xGiigmME= github.com/onsi/gomega v1.7.0/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY= github.com/openebs/maya v0.0.0-20200411140727-1c81f9e017b0 h1:9o6+N3YkssQvUlmJnqNULSxsGFO/rb1we8MtYKr5ze4= github.com/openebs/maya v0.0.0-20200411140727-1c81f9e017b0/go.mod h1:QQY9cOHKQwZ73qbv6O//UYUBLNV2S0MRDIfG7t5KOCk= -github.com/openebs/maya v1.12.0 h1:2GpPko7evtIulR9oryE5DlUj7VzKgQAjHjwKaf00dfU= github.com/pborman/uuid v1.2.0/go.mod h1:X/NO0urCmaxf9VXbdlT7C2Yzkj2IKimNn4k+gtPdI/k= github.com/peterbourgon/diskv v2.0.1+incompatible/go.mod h1:uqqh8zWWbv1HBMNONnaR/tNboyR3/BZd58JJSHlUSCU= github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= @@ -357,12 +356,9 @@ k8s.io/apiextensions-apiserver v0.0.0-20190918201827-3de75813f604 h1:Kl/sh+wWzYK k8s.io/apiextensions-apiserver v0.0.0-20190918201827-3de75813f604/go.mod h1:7H8sjDlWQu89yWB3FhZfsLyRCRLuoXoCoY5qtwW1q6I= k8s.io/apimachinery v0.0.0-20190817020851-f2f3a405f61d h1:7Kns6qqhMAQWvGkxYOLSLRZ5hJO0/5pcE5lPGP2fxUw= k8s.io/apimachinery v0.0.0-20190817020851-f2f3a405f61d/go.mod h1:3jediapYqJ2w1BFw7lAZPCx7scubsTfosqHkhXCWJKw= -k8s.io/apimachinery v0.18.6 h1:RtFHnfGNfd1N0LeSrKCUznz5xtUP1elRGvHJbL3Ntag= k8s.io/apiserver v0.0.0-20190918200908-1e17798da8c1/go.mod h1:4FuDU+iKPjdsdQSN3GsEKZLB/feQsj1y9dhhBDVV2Ns= k8s.io/client-go v0.0.0-20190918200256-06eb1244587a h1:huOvPq1vO7dkuw9rZPYsLGpFmyGvy6L8q6mDItgkdQ4= k8s.io/client-go v0.0.0-20190918200256-06eb1244587a/go.mod h1:3YAcTbI2ArBRmhHns5vlHRX8YQqvkVYpz+U/N5i1mVU= -k8s.io/client-go v1.5.1 h1:XaX/lo2/u3/pmFau8HN+sB5C/b4dc4Dmm2eXjBH4p1E= -k8s.io/client-go v11.0.0+incompatible h1:LBbX2+lOwY9flffWlJM7f1Ct8V2SRNiMRDFeiwnJo9o= k8s.io/code-generator v0.0.0-20190612205613-18da4a14b22b/go.mod h1:G8bQwmHm2eafm5bgtX67XDZQ8CWKSGu9DekI+yN4Y5I= k8s.io/component-base v0.0.0-20190918200425-ed2f0867c778/go.mod h1:DFWQCXgXVLiWtzFaS17KxHdlUeUymP7FLxZSkmL9/jU= k8s.io/gengo v0.0.0-20190116091435-f8a0810f38af/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8IAqLxYwwyPxAX1Pzy0ii0= diff --git a/pkg/generic/pod-autoscaler/environment/environment.go b/pkg/generic/pod-autoscaler/environment/environment.go index b3d5dc3d9..ec049e71e 100644 --- a/pkg/generic/pod-autoscaler/environment/environment.go +++ b/pkg/generic/pod-autoscaler/environment/environment.go @@ -25,6 +25,8 @@ func GetENV(experimentDetails *experimentTypes.ExperimentDetails, expName string experimentDetails.InstanceID = Getenv("INSTANCE_ID", "") experimentDetails.ChaosPodName = Getenv("POD_NAME", "") experimentDetails.AuxiliaryAppInfo = Getenv("AUXILIARY_APPINFO", "") + experimentDetails.Delay, _ = strconv.Atoi(Getenv("STATUS_CHECK_DELAY", "2")) + experimentDetails.Timeout, _ = strconv.Atoi(Getenv("STATUS_CHECK_TIMEOUT", "180")) } // Getenv fetch the env and set the default value, if any diff --git a/pkg/generic/pod-autoscaler/types/types.go b/pkg/generic/pod-autoscaler/types/types.go index 3087fd0a4..2fe7f45b7 100644 --- a/pkg/generic/pod-autoscaler/types/types.go +++ b/pkg/generic/pod-autoscaler/types/types.go @@ -21,4 +21,6 @@ type ExperimentDetails struct { ChaosPodName string RunID string AuxiliaryAppInfo string + Timeout int + Delay int } diff --git a/vendor/github.com/litmuschaos/chaos-operator/pkg/apis/litmuschaos/v1alpha1/chaosengine_types.go b/vendor/github.com/litmuschaos/chaos-operator/pkg/apis/litmuschaos/v1alpha1/chaosengine_types.go index e8c818ecd..2321ba908 100644 --- a/vendor/github.com/litmuschaos/chaos-operator/pkg/apis/litmuschaos/v1alpha1/chaosengine_types.go +++ b/vendor/github.com/litmuschaos/chaos-operator/pkg/apis/litmuschaos/v1alpha1/chaosengine_types.go @@ -56,22 +56,15 @@ const ( EngineStateStop EngineState = "stop" ) -// ExperimentStatus is typecasted to string for supporting the values below. type ExperimentStatus string const ( - // ExperimentStatusRunning is status of Experiment which is currently running - ExperimentStatusRunning ExperimentStatus = "Running" - // ExperimentStatusCompleted is status of Experiment which has been completed - ExperimentStatusCompleted ExperimentStatus = "Completed" - // ExperimentStatusWaiting is status of Experiment which will be executed via a Job - ExperimentStatusWaiting ExperimentStatus = "Waiting for Job Creation" - // ExperimentStatusNotFound is status of Experiment which is not found inside ChaosNamespace - ExperimentStatusNotFound ExperimentStatus = "ChaosExperiment Not Found" - // ExperimentStatusSuccessful is status of a Successful experiment execution + ExperimentStatusRunning ExperimentStatus = "Running" + ExperimentStatusCompleted ExperimentStatus = "Completed" + ExperimentStatusWaiting ExperimentStatus = "Waiting for Job Creation" + ExperimentStatusNotFound ExperimentStatus = "ChaosExperiment Not Found" ExperimentStatusSuccessful ExperimentStatus = "Execution Successful" - // ExperimentStatusAborted is status of a Experiment is forcefully aborted - ExperimentStatusAborted ExperimentStatus = "Forcefully Aborted" + ExperimentStatusAborted ExperimentStatus = "Forcefully Aborted" ) // EngineStatus provides interface for all supported strings in status.EngineStatus @@ -102,7 +95,7 @@ const ( // ChaosEngineStatus derives information about status of individual experiments type ChaosEngineStatus struct { - //EngineStatus is a typed string to support limited values for ChaosEngine Status + // EngineStatus EngineStatus `json:"engineStatus"` //Detailed status of individual experiments Experiments []ExperimentStatuses `json:"experiments"` @@ -137,8 +130,6 @@ type RunnerInfo struct { Command []string `json:"command,omitempty"` //ImagePullPolicy for runner pod ImagePullPolicy corev1.PullPolicy `json:"imagePullPolicy,omitempty"` - // Runner Annotations that needs to be provided in the pod for pod that is getting created - RunnerAnnotation map[string]string `json:"runnerannotation,omitempty"` } // ExperimentList defines information about chaos experiments defined in the chaos engine @@ -154,70 +145,15 @@ type ExperimentList struct { type ExperimentAttributes struct { //Execution priority of the chaos experiment Rank uint32 `json:"rank"` - // It contains env, configmaps, secrets, experimentImage, node selector, custom experiment annotation - // which can be provided or overridden from the chaos engine + //Environment Varibles to override the default values in chaos-experiments Components ExperimentComponents `json:"components,omitempty"` - // K8sProbe contains details of k8s probe, which can be applied on the experiments - K8sProbe []K8sProbeAttributes `json:"k8sProbe,omitempty"` - // CmdProbe contains details of cmd probe, which can be applied on the experiments - CmdProbe []CmdProbeAttributes `json:"cmdProbe,omitempty"` - // HTTPProbe contains details of http probe, which can be applied on the experiments - HTTPProbe []HTTPProbeAttributes `json:"httpProbe,omitempty"` -} - -// K8sProbeAttributes contains details of k8s probe, which can be applied on the experiments -type K8sProbeAttributes struct { - Name string `json:"name,omitempty"` - Inputs K8sProbeInputs `json:"inputs,omitempty"` -} - -// CmdProbeAttributes contains details of cmd probe, which can be applied on the experiments -type CmdProbeAttributes struct { - Name string `json:"name,omitempty"` - Inputs CmdProbeInputs `json:"inputs,omitempty"` -} - -// HTTPProbeAttributes contains details of k8s probe, which can be applied on the experiments -type HTTPProbeAttributes struct { - Name string `json:"name,omitempty"` - Inputs HTTPProbeInputs `json:"inputs,omitempty"` -} - -// K8sProbeInputs contains all the inputs required for k8s probe -type K8sProbeInputs struct { - // Command need to be executed for the probe - Command string `json:"command,omitempty"` - // Expected output or result of the command - ExpectedResult string `json:"expectedResult,omitempty"` -} - -//CmdProbeInputs contains all the inputs required for cmd probe -type CmdProbeInputs struct { - // Command need to be executed for the probe - Command string `json:"command,omitempty"` - // Expected output or result of the command - ExpectedResult string `json:"expectedResult,omitempty"` - // The source where we have to run the command - // It can be a image or inline(inside experiment itself) - Source string `json:"source,omitempty"` -} - -//HTTPProbeInputs contains all the inputs required for http probe -type HTTPProbeInputs struct { - // URL which needs to curl, to check the status - URL string `json:"url,omitempty"` - // Expected output or result of the command - ExpectedResult string `json:"expectedResult,omitempty"` } // ExperimentComponents contains ENV, Configmaps and Secrets type ExperimentComponents struct { - ENV []ExperimentENV `json:"env,omitempty"` - ConfigMaps []ConfigMap `json:"configMaps,omitempty"` - Secrets []Secret `json:"secrets,omitempty"` - ExperimentAnnotations map[string]string `json:"experimentannotation,omitempty"` - ExperimentImage string `json:"experimentImage,omitempty"` - NodeSelector map[string]string `json:"nodeSelector,omitempty"` + ENV []ExperimentENV `json:"env,omitempty"` + ConfigMaps []ConfigMap `json:"configMaps,omitempty"` + Secrets []Secret `json:"secrets,omitempty"` } // ExperimentENV varibles to override the default values in chaosexperiment diff --git a/vendor/golang.org/x/sys/unix/mkasm_darwin.go b/vendor/golang.org/x/sys/unix/mkasm_darwin.go new file mode 100644 index 000000000..6f7bb6edf --- /dev/null +++ b/vendor/golang.org/x/sys/unix/mkasm_darwin.go @@ -0,0 +1,78 @@ +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build ignore + +// mkasm_darwin.go generates assembly trampolines to call libSystem routines from Go. +//This program must be run after mksyscall.go. +package main + +import ( + "bytes" + "fmt" + "io/ioutil" + "log" + "os" + "strings" +) + +func writeASMFile(in string, fileName string, buildTags string) { + trampolines := map[string]bool{} + + var out bytes.Buffer + + fmt.Fprintf(&out, "// go run mkasm_darwin.go %s\n", strings.Join(os.Args[1:], " ")) + fmt.Fprintf(&out, "// Code generated by the command above; DO NOT EDIT.\n") + fmt.Fprintf(&out, "\n") + fmt.Fprintf(&out, "// +build %s\n", buildTags) + fmt.Fprintf(&out, "\n") + fmt.Fprintf(&out, "#include \"textflag.h\"\n") + for _, line := range strings.Split(in, "\n") { + if !strings.HasPrefix(line, "func ") || !strings.HasSuffix(line, "_trampoline()") { + continue + } + fn := line[5 : len(line)-13] + if !trampolines[fn] { + trampolines[fn] = true + fmt.Fprintf(&out, "TEXT ·%s_trampoline(SB),NOSPLIT,$0-0\n", fn) + fmt.Fprintf(&out, "\tJMP\t%s(SB)\n", fn) + } + } + err := ioutil.WriteFile(fileName, out.Bytes(), 0644) + if err != nil { + log.Fatalf("can't write %s: %s", fileName, err) + } +} + +func main() { + in1, err := ioutil.ReadFile("syscall_darwin.go") + if err != nil { + log.Fatalf("can't open syscall_darwin.go: %s", err) + } + arch := os.Args[1] + in2, err := ioutil.ReadFile(fmt.Sprintf("syscall_darwin_%s.go", arch)) + if err != nil { + log.Fatalf("can't open syscall_darwin_%s.go: %s", arch, err) + } + in3, err := ioutil.ReadFile(fmt.Sprintf("zsyscall_darwin_%s.go", arch)) + if err != nil { + log.Fatalf("can't open zsyscall_darwin_%s.go: %s", arch, err) + } + in := string(in1) + string(in2) + string(in3) + + writeASMFile(in, fmt.Sprintf("zsyscall_darwin_%s.s", arch), "go1.12") + + in1, err = ioutil.ReadFile("syscall_darwin.1_13.go") + if err != nil { + log.Fatalf("can't open syscall_darwin.1_13.go: %s", err) + } + in2, err = ioutil.ReadFile(fmt.Sprintf("zsyscall_darwin_%s.1_13.go", arch)) + if err != nil { + log.Fatalf("can't open zsyscall_darwin_%s.1_13.go: %s", arch, err) + } + + in = string(in1) + string(in2) + + writeASMFile(in, fmt.Sprintf("zsyscall_darwin_%s.1_13.s", arch), "go1.13") +} diff --git a/vendor/golang.org/x/sys/unix/mkmerge.go b/vendor/golang.org/x/sys/unix/mkmerge.go new file mode 100644 index 000000000..8bde45016 --- /dev/null +++ b/vendor/golang.org/x/sys/unix/mkmerge.go @@ -0,0 +1,521 @@ +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build ignore + +// mkmerge.go parses generated source files and merges common +// consts, funcs, and types into a common source file, per GOOS. +// +// Usage: +// $ go run mkmerge.go -out MERGED FILE [FILE ...] +// +// Example: +// # Remove all common consts, funcs, and types from zerrors_linux_*.go +// # and write the common code into zerrors_linux.go +// $ go run mkmerge.go -out zerrors_linux.go zerrors_linux_*.go +// +// mkmerge.go performs the merge in the following steps: +// 1. Construct the set of common code that is idential in all +// architecture-specific files. +// 2. Write this common code to the merged file. +// 3. Remove the common code from all architecture-specific files. +package main + +import ( + "bufio" + "bytes" + "flag" + "fmt" + "go/ast" + "go/format" + "go/parser" + "go/token" + "io" + "io/ioutil" + "log" + "os" + "path" + "path/filepath" + "regexp" + "strconv" + "strings" +) + +const validGOOS = "aix|darwin|dragonfly|freebsd|linux|netbsd|openbsd|solaris" + +// getValidGOOS returns GOOS, true if filename ends with a valid "_GOOS.go" +func getValidGOOS(filename string) (string, bool) { + matches := regexp.MustCompile(`_(` + validGOOS + `)\.go$`).FindStringSubmatch(filename) + if len(matches) != 2 { + return "", false + } + return matches[1], true +} + +// codeElem represents an ast.Decl in a comparable way. +type codeElem struct { + tok token.Token // e.g. token.CONST, token.TYPE, or token.FUNC + src string // the declaration formatted as source code +} + +// newCodeElem returns a codeElem based on tok and node, or an error is returned. +func newCodeElem(tok token.Token, node ast.Node) (codeElem, error) { + var b strings.Builder + err := format.Node(&b, token.NewFileSet(), node) + if err != nil { + return codeElem{}, err + } + return codeElem{tok, b.String()}, nil +} + +// codeSet is a set of codeElems +type codeSet struct { + set map[codeElem]bool // true for all codeElems in the set +} + +// newCodeSet returns a new codeSet +func newCodeSet() *codeSet { return &codeSet{make(map[codeElem]bool)} } + +// add adds elem to c +func (c *codeSet) add(elem codeElem) { c.set[elem] = true } + +// has returns true if elem is in c +func (c *codeSet) has(elem codeElem) bool { return c.set[elem] } + +// isEmpty returns true if the set is empty +func (c *codeSet) isEmpty() bool { return len(c.set) == 0 } + +// intersection returns a new set which is the intersection of c and a +func (c *codeSet) intersection(a *codeSet) *codeSet { + res := newCodeSet() + + for elem := range c.set { + if a.has(elem) { + res.add(elem) + } + } + return res +} + +// keepCommon is a filterFn for filtering the merged file with common declarations. +func (c *codeSet) keepCommon(elem codeElem) bool { + switch elem.tok { + case token.VAR: + // Remove all vars from the merged file + return false + case token.CONST, token.TYPE, token.FUNC, token.COMMENT: + // Remove arch-specific consts, types, functions, and file-level comments from the merged file + return c.has(elem) + case token.IMPORT: + // Keep imports, they are handled by filterImports + return true + } + + log.Fatalf("keepCommon: invalid elem %v", elem) + return true +} + +// keepArchSpecific is a filterFn for filtering the GOARC-specific files. +func (c *codeSet) keepArchSpecific(elem codeElem) bool { + switch elem.tok { + case token.CONST, token.TYPE, token.FUNC: + // Remove common consts, types, or functions from the arch-specific file + return !c.has(elem) + } + return true +} + +// srcFile represents a source file +type srcFile struct { + name string + src []byte +} + +// filterFn is a helper for filter +type filterFn func(codeElem) bool + +// filter parses and filters Go source code from src, removing top +// level declarations using keep as predicate. +// For src parameter, please see docs for parser.ParseFile. +func filter(src interface{}, keep filterFn) ([]byte, error) { + // Parse the src into an ast + fset := token.NewFileSet() + f, err := parser.ParseFile(fset, "", src, parser.ParseComments) + if err != nil { + return nil, err + } + cmap := ast.NewCommentMap(fset, f, f.Comments) + + // Group const/type specs on adjacent lines + var groups specGroups = make(map[string]int) + var groupID int + + decls := f.Decls + f.Decls = f.Decls[:0] + for _, decl := range decls { + switch decl := decl.(type) { + case *ast.GenDecl: + // Filter imports, consts, types, vars + specs := decl.Specs + decl.Specs = decl.Specs[:0] + for i, spec := range specs { + elem, err := newCodeElem(decl.Tok, spec) + if err != nil { + return nil, err + } + + // Create new group if there are empty lines between this and the previous spec + if i > 0 && fset.Position(specs[i-1].End()).Line < fset.Position(spec.Pos()).Line-1 { + groupID++ + } + + // Check if we should keep this spec + if keep(elem) { + decl.Specs = append(decl.Specs, spec) + groups.add(elem.src, groupID) + } + } + // Check if we should keep this decl + if len(decl.Specs) > 0 { + f.Decls = append(f.Decls, decl) + } + case *ast.FuncDecl: + // Filter funcs + elem, err := newCodeElem(token.FUNC, decl) + if err != nil { + return nil, err + } + if keep(elem) { + f.Decls = append(f.Decls, decl) + } + } + } + + // Filter file level comments + if cmap[f] != nil { + commentGroups := cmap[f] + cmap[f] = cmap[f][:0] + for _, cGrp := range commentGroups { + if keep(codeElem{token.COMMENT, cGrp.Text()}) { + cmap[f] = append(cmap[f], cGrp) + } + } + } + f.Comments = cmap.Filter(f).Comments() + + // Generate code for the filtered ast + var buf bytes.Buffer + if err = format.Node(&buf, fset, f); err != nil { + return nil, err + } + + groupedSrc, err := groups.filterEmptyLines(&buf) + if err != nil { + return nil, err + } + + return filterImports(groupedSrc) +} + +// getCommonSet returns the set of consts, types, and funcs that are present in every file. +func getCommonSet(files []srcFile) (*codeSet, error) { + if len(files) == 0 { + return nil, fmt.Errorf("no files provided") + } + // Use the first architecture file as the baseline + baseSet, err := getCodeSet(files[0].src) + if err != nil { + return nil, err + } + + // Compare baseline set with other architecture files: discard any element, + // that doesn't exist in other architecture files. + for _, f := range files[1:] { + set, err := getCodeSet(f.src) + if err != nil { + return nil, err + } + + baseSet = baseSet.intersection(set) + } + return baseSet, nil +} + +// getCodeSet returns the set of all top-level consts, types, and funcs from src. +// src must be string, []byte, or io.Reader (see go/parser.ParseFile docs) +func getCodeSet(src interface{}) (*codeSet, error) { + set := newCodeSet() + + fset := token.NewFileSet() + f, err := parser.ParseFile(fset, "", src, parser.ParseComments) + if err != nil { + return nil, err + } + + for _, decl := range f.Decls { + switch decl := decl.(type) { + case *ast.GenDecl: + // Add const, and type declarations + if !(decl.Tok == token.CONST || decl.Tok == token.TYPE) { + break + } + + for _, spec := range decl.Specs { + elem, err := newCodeElem(decl.Tok, spec) + if err != nil { + return nil, err + } + + set.add(elem) + } + case *ast.FuncDecl: + // Add func declarations + elem, err := newCodeElem(token.FUNC, decl) + if err != nil { + return nil, err + } + + set.add(elem) + } + } + + // Add file level comments + cmap := ast.NewCommentMap(fset, f, f.Comments) + for _, cGrp := range cmap[f] { + set.add(codeElem{token.COMMENT, cGrp.Text()}) + } + + return set, nil +} + +// importName returns the identifier (PackageName) for an imported package +func importName(iSpec *ast.ImportSpec) (string, error) { + if iSpec.Name == nil { + name, err := strconv.Unquote(iSpec.Path.Value) + if err != nil { + return "", err + } + return path.Base(name), nil + } + return iSpec.Name.Name, nil +} + +// specGroups tracks grouped const/type specs with a map of line: groupID pairs +type specGroups map[string]int + +// add spec source to group +func (s specGroups) add(src string, groupID int) error { + srcBytes, err := format.Source(bytes.TrimSpace([]byte(src))) + if err != nil { + return err + } + s[string(srcBytes)] = groupID + return nil +} + +// filterEmptyLines removes empty lines within groups of const/type specs. +// Returns the filtered source. +func (s specGroups) filterEmptyLines(src io.Reader) ([]byte, error) { + scanner := bufio.NewScanner(src) + var out bytes.Buffer + + var emptyLines bytes.Buffer + prevGroupID := -1 // Initialize to invalid group + for scanner.Scan() { + line := bytes.TrimSpace(scanner.Bytes()) + + if len(line) == 0 { + fmt.Fprintf(&emptyLines, "%s\n", scanner.Bytes()) + continue + } + + // Discard emptyLines if previous non-empty line belonged to the same + // group as this line + if src, err := format.Source(line); err == nil { + groupID, ok := s[string(src)] + if ok && groupID == prevGroupID { + emptyLines.Reset() + } + prevGroupID = groupID + } + + emptyLines.WriteTo(&out) + fmt.Fprintf(&out, "%s\n", scanner.Bytes()) + } + if err := scanner.Err(); err != nil { + return nil, err + } + return out.Bytes(), nil +} + +// filterImports removes unused imports from fileSrc, and returns a formatted src. +func filterImports(fileSrc []byte) ([]byte, error) { + fset := token.NewFileSet() + file, err := parser.ParseFile(fset, "", fileSrc, parser.ParseComments) + if err != nil { + return nil, err + } + cmap := ast.NewCommentMap(fset, file, file.Comments) + + // create set of references to imported identifiers + keepImport := make(map[string]bool) + for _, u := range file.Unresolved { + keepImport[u.Name] = true + } + + // filter import declarations + decls := file.Decls + file.Decls = file.Decls[:0] + for _, decl := range decls { + importDecl, ok := decl.(*ast.GenDecl) + + // Keep non-import declarations + if !ok || importDecl.Tok != token.IMPORT { + file.Decls = append(file.Decls, decl) + continue + } + + // Filter the import specs + specs := importDecl.Specs + importDecl.Specs = importDecl.Specs[:0] + for _, spec := range specs { + iSpec := spec.(*ast.ImportSpec) + name, err := importName(iSpec) + if err != nil { + return nil, err + } + + if keepImport[name] { + importDecl.Specs = append(importDecl.Specs, iSpec) + } + } + if len(importDecl.Specs) > 0 { + file.Decls = append(file.Decls, importDecl) + } + } + + // filter file.Imports + imports := file.Imports + file.Imports = file.Imports[:0] + for _, spec := range imports { + name, err := importName(spec) + if err != nil { + return nil, err + } + + if keepImport[name] { + file.Imports = append(file.Imports, spec) + } + } + file.Comments = cmap.Filter(file).Comments() + + var buf bytes.Buffer + err = format.Node(&buf, fset, file) + if err != nil { + return nil, err + } + + return buf.Bytes(), nil +} + +// merge extracts duplicate code from archFiles and merges it to mergeFile. +// 1. Construct commonSet: the set of code that is idential in all archFiles. +// 2. Write the code in commonSet to mergedFile. +// 3. Remove the commonSet code from all archFiles. +func merge(mergedFile string, archFiles ...string) error { + // extract and validate the GOOS part of the merged filename + goos, ok := getValidGOOS(mergedFile) + if !ok { + return fmt.Errorf("invalid GOOS in merged file name %s", mergedFile) + } + + // Read architecture files + var inSrc []srcFile + for _, file := range archFiles { + src, err := ioutil.ReadFile(file) + if err != nil { + return fmt.Errorf("cannot read archfile %s: %w", file, err) + } + + inSrc = append(inSrc, srcFile{file, src}) + } + + // 1. Construct the set of top-level declarations common for all files + commonSet, err := getCommonSet(inSrc) + if err != nil { + return err + } + if commonSet.isEmpty() { + // No common code => do not modify any files + return nil + } + + // 2. Write the merged file + mergedSrc, err := filter(inSrc[0].src, commonSet.keepCommon) + if err != nil { + return err + } + + f, err := os.Create(mergedFile) + if err != nil { + return err + } + + buf := bufio.NewWriter(f) + fmt.Fprintln(buf, "// Code generated by mkmerge.go; DO NOT EDIT.") + fmt.Fprintln(buf) + fmt.Fprintf(buf, "// +build %s\n", goos) + fmt.Fprintln(buf) + buf.Write(mergedSrc) + + err = buf.Flush() + if err != nil { + return err + } + err = f.Close() + if err != nil { + return err + } + + // 3. Remove duplicate declarations from the architecture files + for _, inFile := range inSrc { + src, err := filter(inFile.src, commonSet.keepArchSpecific) + if err != nil { + return err + } + err = ioutil.WriteFile(inFile.name, src, 0644) + if err != nil { + return err + } + } + return nil +} + +func main() { + var mergedFile string + flag.StringVar(&mergedFile, "out", "", "Write merged code to `FILE`") + flag.Parse() + + // Expand wildcards + var filenames []string + for _, arg := range flag.Args() { + matches, err := filepath.Glob(arg) + if err != nil { + fmt.Fprintf(os.Stderr, "Invalid command line argument %q: %v\n", arg, err) + os.Exit(1) + } + filenames = append(filenames, matches...) + } + + if len(filenames) < 2 { + // No need to merge + return + } + + err := merge(mergedFile, filenames...) + if err != nil { + fmt.Fprintf(os.Stderr, "Merge failed with error: %v\n", err) + os.Exit(1) + } +} diff --git a/vendor/golang.org/x/sys/unix/mkpost.go b/vendor/golang.org/x/sys/unix/mkpost.go new file mode 100644 index 000000000..5ee1a16b9 --- /dev/null +++ b/vendor/golang.org/x/sys/unix/mkpost.go @@ -0,0 +1,127 @@ +// Copyright 2016 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build ignore + +// mkpost processes the output of cgo -godefs to +// modify the generated types. It is used to clean up +// the sys API in an architecture specific manner. +// +// mkpost is run after cgo -godefs; see README.md. +package main + +import ( + "bytes" + "fmt" + "go/format" + "io/ioutil" + "log" + "os" + "regexp" +) + +func main() { + // Get the OS and architecture (using GOARCH_TARGET if it exists) + goos := os.Getenv("GOOS") + goarch := os.Getenv("GOARCH_TARGET") + if goarch == "" { + goarch = os.Getenv("GOARCH") + } + // Check that we are using the Docker-based build system if we should be. + if goos == "linux" { + if os.Getenv("GOLANG_SYS_BUILD") != "docker" { + os.Stderr.WriteString("In the Docker-based build system, mkpost should not be called directly.\n") + os.Stderr.WriteString("See README.md\n") + os.Exit(1) + } + } + + b, err := ioutil.ReadAll(os.Stdin) + if err != nil { + log.Fatal(err) + } + + if goos == "aix" { + // Replace type of Atim, Mtim and Ctim by Timespec in Stat_t + // to avoid having both StTimespec and Timespec. + sttimespec := regexp.MustCompile(`_Ctype_struct_st_timespec`) + b = sttimespec.ReplaceAll(b, []byte("Timespec")) + } + + // Intentionally export __val fields in Fsid and Sigset_t + valRegex := regexp.MustCompile(`type (Fsid|Sigset_t) struct {(\s+)X__(bits|val)(\s+\S+\s+)}`) + b = valRegex.ReplaceAll(b, []byte("type $1 struct {${2}Val$4}")) + + // Intentionally export __fds_bits field in FdSet + fdSetRegex := regexp.MustCompile(`type (FdSet) struct {(\s+)X__fds_bits(\s+\S+\s+)}`) + b = fdSetRegex.ReplaceAll(b, []byte("type $1 struct {${2}Bits$3}")) + + // If we have empty Ptrace structs, we should delete them. Only s390x emits + // nonempty Ptrace structs. + ptraceRexexp := regexp.MustCompile(`type Ptrace((Psw|Fpregs|Per) struct {\s*})`) + b = ptraceRexexp.ReplaceAll(b, nil) + + // Replace the control_regs union with a blank identifier for now. + controlRegsRegex := regexp.MustCompile(`(Control_regs)\s+\[0\]uint64`) + b = controlRegsRegex.ReplaceAll(b, []byte("_ [0]uint64")) + + // Remove fields that are added by glibc + // Note that this is unstable as the identifers are private. + removeFieldsRegex := regexp.MustCompile(`X__glibc\S*`) + b = removeFieldsRegex.ReplaceAll(b, []byte("_")) + + // Convert [65]int8 to [65]byte in Utsname members to simplify + // conversion to string; see golang.org/issue/20753 + convertUtsnameRegex := regexp.MustCompile(`((Sys|Node|Domain)name|Release|Version|Machine)(\s+)\[(\d+)\]u?int8`) + b = convertUtsnameRegex.ReplaceAll(b, []byte("$1$3[$4]byte")) + + // Convert [n]int8 to [n]byte in Statvfs_t members to simplify + // conversion to string. + convertStatvfsRegex := regexp.MustCompile(`((Fstype|Mnton|Mntfrom)name)(\s+)\[(\d+)\]int8`) + b = convertStatvfsRegex.ReplaceAll(b, []byte("$1$3[$4]byte")) + + // Convert [1024]int8 to [1024]byte in Ptmget members + convertPtmget := regexp.MustCompile(`([SC]n)(\s+)\[(\d+)\]u?int8`) + b = convertPtmget.ReplaceAll(b, []byte("$1[$3]byte")) + + // Remove spare fields (e.g. in Statx_t) + spareFieldsRegex := regexp.MustCompile(`X__spare\S*`) + b = spareFieldsRegex.ReplaceAll(b, []byte("_")) + + // Remove cgo padding fields + removePaddingFieldsRegex := regexp.MustCompile(`Pad_cgo_\d+`) + b = removePaddingFieldsRegex.ReplaceAll(b, []byte("_")) + + // Remove padding, hidden, or unused fields + removeFieldsRegex = regexp.MustCompile(`\b(X_\S+|Padding)`) + b = removeFieldsRegex.ReplaceAll(b, []byte("_")) + + // Remove the first line of warning from cgo + b = b[bytes.IndexByte(b, '\n')+1:] + // Modify the command in the header to include: + // mkpost, our own warning, and a build tag. + replacement := fmt.Sprintf(`$1 | go run mkpost.go +// Code generated by the command above; see README.md. DO NOT EDIT. + +// +build %s,%s`, goarch, goos) + cgoCommandRegex := regexp.MustCompile(`(cgo -godefs .*)`) + b = cgoCommandRegex.ReplaceAll(b, []byte(replacement)) + + // Rename Stat_t time fields + if goos == "freebsd" && goarch == "386" { + // Hide Stat_t.[AMCB]tim_ext fields + renameStatTimeExtFieldsRegex := regexp.MustCompile(`[AMCB]tim_ext`) + b = renameStatTimeExtFieldsRegex.ReplaceAll(b, []byte("_")) + } + renameStatTimeFieldsRegex := regexp.MustCompile(`([AMCB])(?:irth)?time?(?:spec)?\s+(Timespec|StTimespec)`) + b = renameStatTimeFieldsRegex.ReplaceAll(b, []byte("${1}tim ${2}")) + + // gofmt + b, err = format.Source(b) + if err != nil { + log.Fatal(err) + } + + os.Stdout.Write(b) +} diff --git a/vendor/golang.org/x/sys/unix/mksyscall.go b/vendor/golang.org/x/sys/unix/mksyscall.go new file mode 100644 index 000000000..9e540cc89 --- /dev/null +++ b/vendor/golang.org/x/sys/unix/mksyscall.go @@ -0,0 +1,402 @@ +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build ignore + +/* +This program reads a file containing function prototypes +(like syscall_darwin.go) and generates system call bodies. +The prototypes are marked by lines beginning with "//sys" +and read like func declarations if //sys is replaced by func, but: + * The parameter lists must give a name for each argument. + This includes return parameters. + * The parameter lists must give a type for each argument: + the (x, y, z int) shorthand is not allowed. + * If the return parameter is an error number, it must be named errno. + +A line beginning with //sysnb is like //sys, except that the +goroutine will not be suspended during the execution of the system +call. This must only be used for system calls which can never +block, as otherwise the system call could cause all goroutines to +hang. +*/ +package main + +import ( + "bufio" + "flag" + "fmt" + "os" + "regexp" + "strings" +) + +var ( + b32 = flag.Bool("b32", false, "32bit big-endian") + l32 = flag.Bool("l32", false, "32bit little-endian") + plan9 = flag.Bool("plan9", false, "plan9") + openbsd = flag.Bool("openbsd", false, "openbsd") + netbsd = flag.Bool("netbsd", false, "netbsd") + dragonfly = flag.Bool("dragonfly", false, "dragonfly") + arm = flag.Bool("arm", false, "arm") // 64-bit value should use (even, odd)-pair + tags = flag.String("tags", "", "build tags") + filename = flag.String("output", "", "output file name (standard output if omitted)") +) + +// cmdLine returns this programs's commandline arguments +func cmdLine() string { + return "go run mksyscall.go " + strings.Join(os.Args[1:], " ") +} + +// buildTags returns build tags +func buildTags() string { + return *tags +} + +// Param is function parameter +type Param struct { + Name string + Type string +} + +// usage prints the program usage +func usage() { + fmt.Fprintf(os.Stderr, "usage: go run mksyscall.go [-b32 | -l32] [-tags x,y] [file ...]\n") + os.Exit(1) +} + +// parseParamList parses parameter list and returns a slice of parameters +func parseParamList(list string) []string { + list = strings.TrimSpace(list) + if list == "" { + return []string{} + } + return regexp.MustCompile(`\s*,\s*`).Split(list, -1) +} + +// parseParam splits a parameter into name and type +func parseParam(p string) Param { + ps := regexp.MustCompile(`^(\S*) (\S*)$`).FindStringSubmatch(p) + if ps == nil { + fmt.Fprintf(os.Stderr, "malformed parameter: %s\n", p) + os.Exit(1) + } + return Param{ps[1], ps[2]} +} + +func main() { + // Get the OS and architecture (using GOARCH_TARGET if it exists) + goos := os.Getenv("GOOS") + if goos == "" { + fmt.Fprintln(os.Stderr, "GOOS not defined in environment") + os.Exit(1) + } + goarch := os.Getenv("GOARCH_TARGET") + if goarch == "" { + goarch = os.Getenv("GOARCH") + } + + // Check that we are using the Docker-based build system if we should + if goos == "linux" { + if os.Getenv("GOLANG_SYS_BUILD") != "docker" { + fmt.Fprintf(os.Stderr, "In the Docker-based build system, mksyscall should not be called directly.\n") + fmt.Fprintf(os.Stderr, "See README.md\n") + os.Exit(1) + } + } + + flag.Usage = usage + flag.Parse() + if len(flag.Args()) <= 0 { + fmt.Fprintf(os.Stderr, "no files to parse provided\n") + usage() + } + + endianness := "" + if *b32 { + endianness = "big-endian" + } else if *l32 { + endianness = "little-endian" + } + + libc := false + if goos == "darwin" && (strings.Contains(buildTags(), ",go1.12") || strings.Contains(buildTags(), ",go1.13")) { + libc = true + } + trampolines := map[string]bool{} + + text := "" + for _, path := range flag.Args() { + file, err := os.Open(path) + if err != nil { + fmt.Fprintf(os.Stderr, err.Error()) + os.Exit(1) + } + s := bufio.NewScanner(file) + for s.Scan() { + t := s.Text() + t = strings.TrimSpace(t) + t = regexp.MustCompile(`\s+`).ReplaceAllString(t, ` `) + nonblock := regexp.MustCompile(`^\/\/sysnb `).FindStringSubmatch(t) + if regexp.MustCompile(`^\/\/sys `).FindStringSubmatch(t) == nil && nonblock == nil { + continue + } + + // Line must be of the form + // func Open(path string, mode int, perm int) (fd int, errno error) + // Split into name, in params, out params. + f := regexp.MustCompile(`^\/\/sys(nb)? (\w+)\(([^()]*)\)\s*(?:\(([^()]+)\))?\s*(?:=\s*((?i)SYS_[A-Z0-9_]+))?$`).FindStringSubmatch(t) + if f == nil { + fmt.Fprintf(os.Stderr, "%s:%s\nmalformed //sys declaration\n", path, t) + os.Exit(1) + } + funct, inps, outps, sysname := f[2], f[3], f[4], f[5] + + // ClockGettime doesn't have a syscall number on Darwin, only generate libc wrappers. + if goos == "darwin" && !libc && funct == "ClockGettime" { + continue + } + + // Split argument lists on comma. + in := parseParamList(inps) + out := parseParamList(outps) + + // Try in vain to keep people from editing this file. + // The theory is that they jump into the middle of the file + // without reading the header. + text += "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n" + + // Go function header. + outDecl := "" + if len(out) > 0 { + outDecl = fmt.Sprintf(" (%s)", strings.Join(out, ", ")) + } + text += fmt.Sprintf("func %s(%s)%s {\n", funct, strings.Join(in, ", "), outDecl) + + // Check if err return available + errvar := "" + for _, param := range out { + p := parseParam(param) + if p.Type == "error" { + errvar = p.Name + break + } + } + + // Prepare arguments to Syscall. + var args []string + n := 0 + for _, param := range in { + p := parseParam(param) + if regexp.MustCompile(`^\*`).FindStringSubmatch(p.Type) != nil { + args = append(args, "uintptr(unsafe.Pointer("+p.Name+"))") + } else if p.Type == "string" && errvar != "" { + text += fmt.Sprintf("\tvar _p%d *byte\n", n) + text += fmt.Sprintf("\t_p%d, %s = BytePtrFromString(%s)\n", n, errvar, p.Name) + text += fmt.Sprintf("\tif %s != nil {\n\t\treturn\n\t}\n", errvar) + args = append(args, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n)) + n++ + } else if p.Type == "string" { + fmt.Fprintf(os.Stderr, path+":"+funct+" uses string arguments, but has no error return\n") + text += fmt.Sprintf("\tvar _p%d *byte\n", n) + text += fmt.Sprintf("\t_p%d, _ = BytePtrFromString(%s)\n", n, p.Name) + args = append(args, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n)) + n++ + } else if regexp.MustCompile(`^\[\](.*)`).FindStringSubmatch(p.Type) != nil { + // Convert slice into pointer, length. + // Have to be careful not to take address of &a[0] if len == 0: + // pass dummy pointer in that case. + // Used to pass nil, but some OSes or simulators reject write(fd, nil, 0). + text += fmt.Sprintf("\tvar _p%d unsafe.Pointer\n", n) + text += fmt.Sprintf("\tif len(%s) > 0 {\n\t\t_p%d = unsafe.Pointer(&%s[0])\n\t}", p.Name, n, p.Name) + text += fmt.Sprintf(" else {\n\t\t_p%d = unsafe.Pointer(&_zero)\n\t}\n", n) + args = append(args, fmt.Sprintf("uintptr(_p%d)", n), fmt.Sprintf("uintptr(len(%s))", p.Name)) + n++ + } else if p.Type == "int64" && (*openbsd || *netbsd) { + args = append(args, "0") + if endianness == "big-endian" { + args = append(args, fmt.Sprintf("uintptr(%s>>32)", p.Name), fmt.Sprintf("uintptr(%s)", p.Name)) + } else if endianness == "little-endian" { + args = append(args, fmt.Sprintf("uintptr(%s)", p.Name), fmt.Sprintf("uintptr(%s>>32)", p.Name)) + } else { + args = append(args, fmt.Sprintf("uintptr(%s)", p.Name)) + } + } else if p.Type == "int64" && *dragonfly { + if regexp.MustCompile(`^(?i)extp(read|write)`).FindStringSubmatch(funct) == nil { + args = append(args, "0") + } + if endianness == "big-endian" { + args = append(args, fmt.Sprintf("uintptr(%s>>32)", p.Name), fmt.Sprintf("uintptr(%s)", p.Name)) + } else if endianness == "little-endian" { + args = append(args, fmt.Sprintf("uintptr(%s)", p.Name), fmt.Sprintf("uintptr(%s>>32)", p.Name)) + } else { + args = append(args, fmt.Sprintf("uintptr(%s)", p.Name)) + } + } else if (p.Type == "int64" || p.Type == "uint64") && endianness != "" { + if len(args)%2 == 1 && *arm { + // arm abi specifies 64-bit argument uses + // (even, odd) pair + args = append(args, "0") + } + if endianness == "big-endian" { + args = append(args, fmt.Sprintf("uintptr(%s>>32)", p.Name), fmt.Sprintf("uintptr(%s)", p.Name)) + } else { + args = append(args, fmt.Sprintf("uintptr(%s)", p.Name), fmt.Sprintf("uintptr(%s>>32)", p.Name)) + } + } else { + args = append(args, fmt.Sprintf("uintptr(%s)", p.Name)) + } + } + + // Determine which form to use; pad args with zeros. + asm := "Syscall" + if nonblock != nil { + if errvar == "" && goos == "linux" { + asm = "RawSyscallNoError" + } else { + asm = "RawSyscall" + } + } else { + if errvar == "" && goos == "linux" { + asm = "SyscallNoError" + } + } + if len(args) <= 3 { + for len(args) < 3 { + args = append(args, "0") + } + } else if len(args) <= 6 { + asm += "6" + for len(args) < 6 { + args = append(args, "0") + } + } else if len(args) <= 9 { + asm += "9" + for len(args) < 9 { + args = append(args, "0") + } + } else { + fmt.Fprintf(os.Stderr, "%s:%s too many arguments to system call\n", path, funct) + } + + // System call number. + if sysname == "" { + sysname = "SYS_" + funct + sysname = regexp.MustCompile(`([a-z])([A-Z])`).ReplaceAllString(sysname, `${1}_$2`) + sysname = strings.ToUpper(sysname) + } + + var libcFn string + if libc { + asm = "syscall_" + strings.ToLower(asm[:1]) + asm[1:] // internal syscall call + sysname = strings.TrimPrefix(sysname, "SYS_") // remove SYS_ + sysname = strings.ToLower(sysname) // lowercase + libcFn = sysname + sysname = "funcPC(libc_" + sysname + "_trampoline)" + } + + // Actual call. + arglist := strings.Join(args, ", ") + call := fmt.Sprintf("%s(%s, %s)", asm, sysname, arglist) + + // Assign return values. + body := "" + ret := []string{"_", "_", "_"} + doErrno := false + for i := 0; i < len(out); i++ { + p := parseParam(out[i]) + reg := "" + if p.Name == "err" && !*plan9 { + reg = "e1" + ret[2] = reg + doErrno = true + } else if p.Name == "err" && *plan9 { + ret[0] = "r0" + ret[2] = "e1" + break + } else { + reg = fmt.Sprintf("r%d", i) + ret[i] = reg + } + if p.Type == "bool" { + reg = fmt.Sprintf("%s != 0", reg) + } + if p.Type == "int64" && endianness != "" { + // 64-bit number in r1:r0 or r0:r1. + if i+2 > len(out) { + fmt.Fprintf(os.Stderr, "%s:%s not enough registers for int64 return\n", path, funct) + } + if endianness == "big-endian" { + reg = fmt.Sprintf("int64(r%d)<<32 | int64(r%d)", i, i+1) + } else { + reg = fmt.Sprintf("int64(r%d)<<32 | int64(r%d)", i+1, i) + } + ret[i] = fmt.Sprintf("r%d", i) + ret[i+1] = fmt.Sprintf("r%d", i+1) + } + if reg != "e1" || *plan9 { + body += fmt.Sprintf("\t%s = %s(%s)\n", p.Name, p.Type, reg) + } + } + if ret[0] == "_" && ret[1] == "_" && ret[2] == "_" { + text += fmt.Sprintf("\t%s\n", call) + } else { + if errvar == "" && goos == "linux" { + // raw syscall without error on Linux, see golang.org/issue/22924 + text += fmt.Sprintf("\t%s, %s := %s\n", ret[0], ret[1], call) + } else { + text += fmt.Sprintf("\t%s, %s, %s := %s\n", ret[0], ret[1], ret[2], call) + } + } + text += body + + if *plan9 && ret[2] == "e1" { + text += "\tif int32(r0) == -1 {\n" + text += "\t\terr = e1\n" + text += "\t}\n" + } else if doErrno { + text += "\tif e1 != 0 {\n" + text += "\t\terr = errnoErr(e1)\n" + text += "\t}\n" + } + text += "\treturn\n" + text += "}\n\n" + + if libc && !trampolines[libcFn] { + // some system calls share a trampoline, like read and readlen. + trampolines[libcFn] = true + // Declare assembly trampoline. + text += fmt.Sprintf("func libc_%s_trampoline()\n", libcFn) + // Assembly trampoline calls the libc_* function, which this magic + // redirects to use the function from libSystem. + text += fmt.Sprintf("//go:linkname libc_%s libc_%s\n", libcFn, libcFn) + text += fmt.Sprintf("//go:cgo_import_dynamic libc_%s %s \"/usr/lib/libSystem.B.dylib\"\n", libcFn, libcFn) + text += "\n" + } + } + if err := s.Err(); err != nil { + fmt.Fprintf(os.Stderr, err.Error()) + os.Exit(1) + } + file.Close() + } + fmt.Printf(srcTemplate, cmdLine(), buildTags(), text) +} + +const srcTemplate = `// %s +// Code generated by the command above; see README.md. DO NOT EDIT. + +// +build %s + +package unix + +import ( + "syscall" + "unsafe" +) + +var _ syscall.Errno + +%s +` diff --git a/vendor/golang.org/x/sys/unix/mksyscall_aix_ppc.go b/vendor/golang.org/x/sys/unix/mksyscall_aix_ppc.go new file mode 100644 index 000000000..3be3cdfc3 --- /dev/null +++ b/vendor/golang.org/x/sys/unix/mksyscall_aix_ppc.go @@ -0,0 +1,415 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build ignore + +/* +This program reads a file containing function prototypes +(like syscall_aix.go) and generates system call bodies. +The prototypes are marked by lines beginning with "//sys" +and read like func declarations if //sys is replaced by func, but: + * The parameter lists must give a name for each argument. + This includes return parameters. + * The parameter lists must give a type for each argument: + the (x, y, z int) shorthand is not allowed. + * If the return parameter is an error number, it must be named err. + * If go func name needs to be different than its libc name, + * or the function is not in libc, name could be specified + * at the end, after "=" sign, like + //sys getsockopt(s int, level int, name int, val uintptr, vallen *_Socklen) (err error) = libsocket.getsockopt +*/ +package main + +import ( + "bufio" + "flag" + "fmt" + "os" + "regexp" + "strings" +) + +var ( + b32 = flag.Bool("b32", false, "32bit big-endian") + l32 = flag.Bool("l32", false, "32bit little-endian") + aix = flag.Bool("aix", false, "aix") + tags = flag.String("tags", "", "build tags") +) + +// cmdLine returns this programs's commandline arguments +func cmdLine() string { + return "go run mksyscall_aix_ppc.go " + strings.Join(os.Args[1:], " ") +} + +// buildTags returns build tags +func buildTags() string { + return *tags +} + +// Param is function parameter +type Param struct { + Name string + Type string +} + +// usage prints the program usage +func usage() { + fmt.Fprintf(os.Stderr, "usage: go run mksyscall_aix_ppc.go [-b32 | -l32] [-tags x,y] [file ...]\n") + os.Exit(1) +} + +// parseParamList parses parameter list and returns a slice of parameters +func parseParamList(list string) []string { + list = strings.TrimSpace(list) + if list == "" { + return []string{} + } + return regexp.MustCompile(`\s*,\s*`).Split(list, -1) +} + +// parseParam splits a parameter into name and type +func parseParam(p string) Param { + ps := regexp.MustCompile(`^(\S*) (\S*)$`).FindStringSubmatch(p) + if ps == nil { + fmt.Fprintf(os.Stderr, "malformed parameter: %s\n", p) + os.Exit(1) + } + return Param{ps[1], ps[2]} +} + +func main() { + flag.Usage = usage + flag.Parse() + if len(flag.Args()) <= 0 { + fmt.Fprintf(os.Stderr, "no files to parse provided\n") + usage() + } + + endianness := "" + if *b32 { + endianness = "big-endian" + } else if *l32 { + endianness = "little-endian" + } + + pack := "" + text := "" + cExtern := "/*\n#include \n#include \n" + for _, path := range flag.Args() { + file, err := os.Open(path) + if err != nil { + fmt.Fprintf(os.Stderr, err.Error()) + os.Exit(1) + } + s := bufio.NewScanner(file) + for s.Scan() { + t := s.Text() + t = strings.TrimSpace(t) + t = regexp.MustCompile(`\s+`).ReplaceAllString(t, ` `) + if p := regexp.MustCompile(`^package (\S+)$`).FindStringSubmatch(t); p != nil && pack == "" { + pack = p[1] + } + nonblock := regexp.MustCompile(`^\/\/sysnb `).FindStringSubmatch(t) + if regexp.MustCompile(`^\/\/sys `).FindStringSubmatch(t) == nil && nonblock == nil { + continue + } + + // Line must be of the form + // func Open(path string, mode int, perm int) (fd int, err error) + // Split into name, in params, out params. + f := regexp.MustCompile(`^\/\/sys(nb)? (\w+)\(([^()]*)\)\s*(?:\(([^()]+)\))?\s*(?:=\s*(?:(\w*)\.)?(\w*))?$`).FindStringSubmatch(t) + if f == nil { + fmt.Fprintf(os.Stderr, "%s:%s\nmalformed //sys declaration\n", path, t) + os.Exit(1) + } + funct, inps, outps, modname, sysname := f[2], f[3], f[4], f[5], f[6] + + // Split argument lists on comma. + in := parseParamList(inps) + out := parseParamList(outps) + + inps = strings.Join(in, ", ") + outps = strings.Join(out, ", ") + + // Try in vain to keep people from editing this file. + // The theory is that they jump into the middle of the file + // without reading the header. + text += "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n" + + // Check if value return, err return available + errvar := "" + retvar := "" + rettype := "" + for _, param := range out { + p := parseParam(param) + if p.Type == "error" { + errvar = p.Name + } else { + retvar = p.Name + rettype = p.Type + } + } + + // System call name. + if sysname == "" { + sysname = funct + } + sysname = regexp.MustCompile(`([a-z])([A-Z])`).ReplaceAllString(sysname, `${1}_$2`) + sysname = strings.ToLower(sysname) // All libc functions are lowercase. + + cRettype := "" + if rettype == "unsafe.Pointer" { + cRettype = "uintptr_t" + } else if rettype == "uintptr" { + cRettype = "uintptr_t" + } else if regexp.MustCompile(`^_`).FindStringSubmatch(rettype) != nil { + cRettype = "uintptr_t" + } else if rettype == "int" { + cRettype = "int" + } else if rettype == "int32" { + cRettype = "int" + } else if rettype == "int64" { + cRettype = "long long" + } else if rettype == "uint32" { + cRettype = "unsigned int" + } else if rettype == "uint64" { + cRettype = "unsigned long long" + } else { + cRettype = "int" + } + if sysname == "exit" { + cRettype = "void" + } + + // Change p.Types to c + var cIn []string + for _, param := range in { + p := parseParam(param) + if regexp.MustCompile(`^\*`).FindStringSubmatch(p.Type) != nil { + cIn = append(cIn, "uintptr_t") + } else if p.Type == "string" { + cIn = append(cIn, "uintptr_t") + } else if regexp.MustCompile(`^\[\](.*)`).FindStringSubmatch(p.Type) != nil { + cIn = append(cIn, "uintptr_t", "size_t") + } else if p.Type == "unsafe.Pointer" { + cIn = append(cIn, "uintptr_t") + } else if p.Type == "uintptr" { + cIn = append(cIn, "uintptr_t") + } else if regexp.MustCompile(`^_`).FindStringSubmatch(p.Type) != nil { + cIn = append(cIn, "uintptr_t") + } else if p.Type == "int" { + cIn = append(cIn, "int") + } else if p.Type == "int32" { + cIn = append(cIn, "int") + } else if p.Type == "int64" { + cIn = append(cIn, "long long") + } else if p.Type == "uint32" { + cIn = append(cIn, "unsigned int") + } else if p.Type == "uint64" { + cIn = append(cIn, "unsigned long long") + } else { + cIn = append(cIn, "int") + } + } + + if funct != "fcntl" && funct != "FcntlInt" && funct != "readlen" && funct != "writelen" { + if sysname == "select" { + // select is a keyword of Go. Its name is + // changed to c_select. + cExtern += "#define c_select select\n" + } + // Imports of system calls from libc + cExtern += fmt.Sprintf("%s %s", cRettype, sysname) + cIn := strings.Join(cIn, ", ") + cExtern += fmt.Sprintf("(%s);\n", cIn) + } + + // So file name. + if *aix { + if modname == "" { + modname = "libc.a/shr_64.o" + } else { + fmt.Fprintf(os.Stderr, "%s: only syscall using libc are available\n", funct) + os.Exit(1) + } + } + + strconvfunc := "C.CString" + + // Go function header. + if outps != "" { + outps = fmt.Sprintf(" (%s)", outps) + } + if text != "" { + text += "\n" + } + + text += fmt.Sprintf("func %s(%s)%s {\n", funct, strings.Join(in, ", "), outps) + + // Prepare arguments to Syscall. + var args []string + n := 0 + argN := 0 + for _, param := range in { + p := parseParam(param) + if regexp.MustCompile(`^\*`).FindStringSubmatch(p.Type) != nil { + args = append(args, "C.uintptr_t(uintptr(unsafe.Pointer("+p.Name+")))") + } else if p.Type == "string" && errvar != "" { + text += fmt.Sprintf("\t_p%d := uintptr(unsafe.Pointer(%s(%s)))\n", n, strconvfunc, p.Name) + args = append(args, fmt.Sprintf("C.uintptr_t(_p%d)", n)) + n++ + } else if p.Type == "string" { + fmt.Fprintf(os.Stderr, path+":"+funct+" uses string arguments, but has no error return\n") + text += fmt.Sprintf("\t_p%d := uintptr(unsafe.Pointer(%s(%s)))\n", n, strconvfunc, p.Name) + args = append(args, fmt.Sprintf("C.uintptr_t(_p%d)", n)) + n++ + } else if m := regexp.MustCompile(`^\[\](.*)`).FindStringSubmatch(p.Type); m != nil { + // Convert slice into pointer, length. + // Have to be careful not to take address of &a[0] if len == 0: + // pass nil in that case. + text += fmt.Sprintf("\tvar _p%d *%s\n", n, m[1]) + text += fmt.Sprintf("\tif len(%s) > 0 {\n\t\t_p%d = &%s[0]\n\t}\n", p.Name, n, p.Name) + args = append(args, fmt.Sprintf("C.uintptr_t(uintptr(unsafe.Pointer(_p%d)))", n)) + n++ + text += fmt.Sprintf("\tvar _p%d int\n", n) + text += fmt.Sprintf("\t_p%d = len(%s)\n", n, p.Name) + args = append(args, fmt.Sprintf("C.size_t(_p%d)", n)) + n++ + } else if p.Type == "int64" && endianness != "" { + if endianness == "big-endian" { + args = append(args, fmt.Sprintf("uintptr(%s>>32)", p.Name), fmt.Sprintf("uintptr(%s)", p.Name)) + } else { + args = append(args, fmt.Sprintf("uintptr(%s)", p.Name), fmt.Sprintf("uintptr(%s>>32)", p.Name)) + } + n++ + } else if p.Type == "bool" { + text += fmt.Sprintf("\tvar _p%d uint32\n", n) + text += fmt.Sprintf("\tif %s {\n\t\t_p%d = 1\n\t} else {\n\t\t_p%d = 0\n\t}\n", p.Name, n, n) + args = append(args, fmt.Sprintf("_p%d", n)) + } else if regexp.MustCompile(`^_`).FindStringSubmatch(p.Type) != nil { + args = append(args, fmt.Sprintf("C.uintptr_t(uintptr(%s))", p.Name)) + } else if p.Type == "unsafe.Pointer" { + args = append(args, fmt.Sprintf("C.uintptr_t(uintptr(%s))", p.Name)) + } else if p.Type == "int" { + if (argN == 2) && ((funct == "readlen") || (funct == "writelen")) { + args = append(args, fmt.Sprintf("C.size_t(%s)", p.Name)) + } else if argN == 0 && funct == "fcntl" { + args = append(args, fmt.Sprintf("C.uintptr_t(%s)", p.Name)) + } else if (argN == 2) && ((funct == "fcntl") || (funct == "FcntlInt")) { + args = append(args, fmt.Sprintf("C.uintptr_t(%s)", p.Name)) + } else { + args = append(args, fmt.Sprintf("C.int(%s)", p.Name)) + } + } else if p.Type == "int32" { + args = append(args, fmt.Sprintf("C.int(%s)", p.Name)) + } else if p.Type == "int64" { + args = append(args, fmt.Sprintf("C.longlong(%s)", p.Name)) + } else if p.Type == "uint32" { + args = append(args, fmt.Sprintf("C.uint(%s)", p.Name)) + } else if p.Type == "uint64" { + args = append(args, fmt.Sprintf("C.ulonglong(%s)", p.Name)) + } else if p.Type == "uintptr" { + args = append(args, fmt.Sprintf("C.uintptr_t(%s)", p.Name)) + } else { + args = append(args, fmt.Sprintf("C.int(%s)", p.Name)) + } + argN++ + } + + // Actual call. + arglist := strings.Join(args, ", ") + call := "" + if sysname == "exit" { + if errvar != "" { + call += "er :=" + } else { + call += "" + } + } else if errvar != "" { + call += "r0,er :=" + } else if retvar != "" { + call += "r0,_ :=" + } else { + call += "" + } + if sysname == "select" { + // select is a keyword of Go. Its name is + // changed to c_select. + call += fmt.Sprintf("C.c_%s(%s)", sysname, arglist) + } else { + call += fmt.Sprintf("C.%s(%s)", sysname, arglist) + } + + // Assign return values. + body := "" + for i := 0; i < len(out); i++ { + p := parseParam(out[i]) + reg := "" + if p.Name == "err" { + reg = "e1" + } else { + reg = "r0" + } + if reg != "e1" { + body += fmt.Sprintf("\t%s = %s(%s)\n", p.Name, p.Type, reg) + } + } + + // verify return + if sysname != "exit" && errvar != "" { + if regexp.MustCompile(`^uintptr`).FindStringSubmatch(cRettype) != nil { + body += "\tif (uintptr(r0) ==^uintptr(0) && er != nil) {\n" + body += fmt.Sprintf("\t\t%s = er\n", errvar) + body += "\t}\n" + } else { + body += "\tif (r0 ==-1 && er != nil) {\n" + body += fmt.Sprintf("\t\t%s = er\n", errvar) + body += "\t}\n" + } + } else if errvar != "" { + body += "\tif (er != nil) {\n" + body += fmt.Sprintf("\t\t%s = er\n", errvar) + body += "\t}\n" + } + + text += fmt.Sprintf("\t%s\n", call) + text += body + + text += "\treturn\n" + text += "}\n" + } + if err := s.Err(); err != nil { + fmt.Fprintf(os.Stderr, err.Error()) + os.Exit(1) + } + file.Close() + } + imp := "" + if pack != "unix" { + imp = "import \"golang.org/x/sys/unix\"\n" + + } + fmt.Printf(srcTemplate, cmdLine(), buildTags(), pack, cExtern, imp, text) +} + +const srcTemplate = `// %s +// Code generated by the command above; see README.md. DO NOT EDIT. + +// +build %s + +package %s + + +%s +*/ +import "C" +import ( + "unsafe" +) + + +%s + +%s +` diff --git a/vendor/golang.org/x/sys/unix/mksyscall_aix_ppc64.go b/vendor/golang.org/x/sys/unix/mksyscall_aix_ppc64.go new file mode 100644 index 000000000..c96009951 --- /dev/null +++ b/vendor/golang.org/x/sys/unix/mksyscall_aix_ppc64.go @@ -0,0 +1,614 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build ignore + +/* +This program reads a file containing function prototypes +(like syscall_aix.go) and generates system call bodies. +The prototypes are marked by lines beginning with "//sys" +and read like func declarations if //sys is replaced by func, but: + * The parameter lists must give a name for each argument. + This includes return parameters. + * The parameter lists must give a type for each argument: + the (x, y, z int) shorthand is not allowed. + * If the return parameter is an error number, it must be named err. + * If go func name needs to be different than its libc name, + * or the function is not in libc, name could be specified + * at the end, after "=" sign, like + //sys getsockopt(s int, level int, name int, val uintptr, vallen *_Socklen) (err error) = libsocket.getsockopt + + +This program will generate three files and handle both gc and gccgo implementation: + - zsyscall_aix_ppc64.go: the common part of each implementation (error handler, pointer creation) + - zsyscall_aix_ppc64_gc.go: gc part with //go_cgo_import_dynamic and a call to syscall6 + - zsyscall_aix_ppc64_gccgo.go: gccgo part with C function and conversion to C type. + + The generated code looks like this + +zsyscall_aix_ppc64.go +func asyscall(...) (n int, err error) { + // Pointer Creation + r1, e1 := callasyscall(...) + // Type Conversion + // Error Handler + return +} + +zsyscall_aix_ppc64_gc.go +//go:cgo_import_dynamic libc_asyscall asyscall "libc.a/shr_64.o" +//go:linkname libc_asyscall libc_asyscall +var asyscall syscallFunc + +func callasyscall(...) (r1 uintptr, e1 Errno) { + r1, _, e1 = syscall6(uintptr(unsafe.Pointer(&libc_asyscall)), "nb_args", ... ) + return +} + +zsyscall_aix_ppc64_ggcgo.go + +// int asyscall(...) + +import "C" + +func callasyscall(...) (r1 uintptr, e1 Errno) { + r1 = uintptr(C.asyscall(...)) + e1 = syscall.GetErrno() + return +} +*/ + +package main + +import ( + "bufio" + "flag" + "fmt" + "io/ioutil" + "os" + "regexp" + "strings" +) + +var ( + b32 = flag.Bool("b32", false, "32bit big-endian") + l32 = flag.Bool("l32", false, "32bit little-endian") + aix = flag.Bool("aix", false, "aix") + tags = flag.String("tags", "", "build tags") +) + +// cmdLine returns this programs's commandline arguments +func cmdLine() string { + return "go run mksyscall_aix_ppc64.go " + strings.Join(os.Args[1:], " ") +} + +// buildTags returns build tags +func buildTags() string { + return *tags +} + +// Param is function parameter +type Param struct { + Name string + Type string +} + +// usage prints the program usage +func usage() { + fmt.Fprintf(os.Stderr, "usage: go run mksyscall_aix_ppc64.go [-b32 | -l32] [-tags x,y] [file ...]\n") + os.Exit(1) +} + +// parseParamList parses parameter list and returns a slice of parameters +func parseParamList(list string) []string { + list = strings.TrimSpace(list) + if list == "" { + return []string{} + } + return regexp.MustCompile(`\s*,\s*`).Split(list, -1) +} + +// parseParam splits a parameter into name and type +func parseParam(p string) Param { + ps := regexp.MustCompile(`^(\S*) (\S*)$`).FindStringSubmatch(p) + if ps == nil { + fmt.Fprintf(os.Stderr, "malformed parameter: %s\n", p) + os.Exit(1) + } + return Param{ps[1], ps[2]} +} + +func main() { + flag.Usage = usage + flag.Parse() + if len(flag.Args()) <= 0 { + fmt.Fprintf(os.Stderr, "no files to parse provided\n") + usage() + } + + endianness := "" + if *b32 { + endianness = "big-endian" + } else if *l32 { + endianness = "little-endian" + } + + pack := "" + // GCCGO + textgccgo := "" + cExtern := "/*\n#include \n" + // GC + textgc := "" + dynimports := "" + linknames := "" + var vars []string + // COMMON + textcommon := "" + for _, path := range flag.Args() { + file, err := os.Open(path) + if err != nil { + fmt.Fprintf(os.Stderr, err.Error()) + os.Exit(1) + } + s := bufio.NewScanner(file) + for s.Scan() { + t := s.Text() + t = strings.TrimSpace(t) + t = regexp.MustCompile(`\s+`).ReplaceAllString(t, ` `) + if p := regexp.MustCompile(`^package (\S+)$`).FindStringSubmatch(t); p != nil && pack == "" { + pack = p[1] + } + nonblock := regexp.MustCompile(`^\/\/sysnb `).FindStringSubmatch(t) + if regexp.MustCompile(`^\/\/sys `).FindStringSubmatch(t) == nil && nonblock == nil { + continue + } + + // Line must be of the form + // func Open(path string, mode int, perm int) (fd int, err error) + // Split into name, in params, out params. + f := regexp.MustCompile(`^\/\/sys(nb)? (\w+)\(([^()]*)\)\s*(?:\(([^()]+)\))?\s*(?:=\s*(?:(\w*)\.)?(\w*))?$`).FindStringSubmatch(t) + if f == nil { + fmt.Fprintf(os.Stderr, "%s:%s\nmalformed //sys declaration\n", path, t) + os.Exit(1) + } + funct, inps, outps, modname, sysname := f[2], f[3], f[4], f[5], f[6] + + // Split argument lists on comma. + in := parseParamList(inps) + out := parseParamList(outps) + + inps = strings.Join(in, ", ") + outps = strings.Join(out, ", ") + + if sysname == "" { + sysname = funct + } + + onlyCommon := false + if funct == "readlen" || funct == "writelen" || funct == "FcntlInt" || funct == "FcntlFlock" { + // This function call another syscall which is already implemented. + // Therefore, the gc and gccgo part must not be generated. + onlyCommon = true + } + + // Try in vain to keep people from editing this file. + // The theory is that they jump into the middle of the file + // without reading the header. + + textcommon += "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n" + if !onlyCommon { + textgccgo += "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n" + textgc += "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n" + } + + // Check if value return, err return available + errvar := "" + rettype := "" + for _, param := range out { + p := parseParam(param) + if p.Type == "error" { + errvar = p.Name + } else { + rettype = p.Type + } + } + + sysname = regexp.MustCompile(`([a-z])([A-Z])`).ReplaceAllString(sysname, `${1}_$2`) + sysname = strings.ToLower(sysname) // All libc functions are lowercase. + + // GCCGO Prototype return type + cRettype := "" + if rettype == "unsafe.Pointer" { + cRettype = "uintptr_t" + } else if rettype == "uintptr" { + cRettype = "uintptr_t" + } else if regexp.MustCompile(`^_`).FindStringSubmatch(rettype) != nil { + cRettype = "uintptr_t" + } else if rettype == "int" { + cRettype = "int" + } else if rettype == "int32" { + cRettype = "int" + } else if rettype == "int64" { + cRettype = "long long" + } else if rettype == "uint32" { + cRettype = "unsigned int" + } else if rettype == "uint64" { + cRettype = "unsigned long long" + } else { + cRettype = "int" + } + if sysname == "exit" { + cRettype = "void" + } + + // GCCGO Prototype arguments type + var cIn []string + for i, param := range in { + p := parseParam(param) + if regexp.MustCompile(`^\*`).FindStringSubmatch(p.Type) != nil { + cIn = append(cIn, "uintptr_t") + } else if p.Type == "string" { + cIn = append(cIn, "uintptr_t") + } else if regexp.MustCompile(`^\[\](.*)`).FindStringSubmatch(p.Type) != nil { + cIn = append(cIn, "uintptr_t", "size_t") + } else if p.Type == "unsafe.Pointer" { + cIn = append(cIn, "uintptr_t") + } else if p.Type == "uintptr" { + cIn = append(cIn, "uintptr_t") + } else if regexp.MustCompile(`^_`).FindStringSubmatch(p.Type) != nil { + cIn = append(cIn, "uintptr_t") + } else if p.Type == "int" { + if (i == 0 || i == 2) && funct == "fcntl" { + // These fcntl arguments needs to be uintptr to be able to call FcntlInt and FcntlFlock + cIn = append(cIn, "uintptr_t") + } else { + cIn = append(cIn, "int") + } + + } else if p.Type == "int32" { + cIn = append(cIn, "int") + } else if p.Type == "int64" { + cIn = append(cIn, "long long") + } else if p.Type == "uint32" { + cIn = append(cIn, "unsigned int") + } else if p.Type == "uint64" { + cIn = append(cIn, "unsigned long long") + } else { + cIn = append(cIn, "int") + } + } + + if !onlyCommon { + // GCCGO Prototype Generation + // Imports of system calls from libc + if sysname == "select" { + // select is a keyword of Go. Its name is + // changed to c_select. + cExtern += "#define c_select select\n" + } + cExtern += fmt.Sprintf("%s %s", cRettype, sysname) + cIn := strings.Join(cIn, ", ") + cExtern += fmt.Sprintf("(%s);\n", cIn) + } + // GC Library name + if modname == "" { + modname = "libc.a/shr_64.o" + } else { + fmt.Fprintf(os.Stderr, "%s: only syscall using libc are available\n", funct) + os.Exit(1) + } + sysvarname := fmt.Sprintf("libc_%s", sysname) + + if !onlyCommon { + // GC Runtime import of function to allow cross-platform builds. + dynimports += fmt.Sprintf("//go:cgo_import_dynamic %s %s \"%s\"\n", sysvarname, sysname, modname) + // GC Link symbol to proc address variable. + linknames += fmt.Sprintf("//go:linkname %s %s\n", sysvarname, sysvarname) + // GC Library proc address variable. + vars = append(vars, sysvarname) + } + + strconvfunc := "BytePtrFromString" + strconvtype := "*byte" + + // Go function header. + if outps != "" { + outps = fmt.Sprintf(" (%s)", outps) + } + if textcommon != "" { + textcommon += "\n" + } + + textcommon += fmt.Sprintf("func %s(%s)%s {\n", funct, strings.Join(in, ", "), outps) + + // Prepare arguments tocall. + var argscommon []string // Arguments in the common part + var argscall []string // Arguments for call prototype + var argsgc []string // Arguments for gc call (with syscall6) + var argsgccgo []string // Arguments for gccgo call (with C.name_of_syscall) + n := 0 + argN := 0 + for _, param := range in { + p := parseParam(param) + if regexp.MustCompile(`^\*`).FindStringSubmatch(p.Type) != nil { + argscommon = append(argscommon, fmt.Sprintf("uintptr(unsafe.Pointer(%s))", p.Name)) + argscall = append(argscall, fmt.Sprintf("%s uintptr", p.Name)) + argsgc = append(argsgc, p.Name) + argsgccgo = append(argsgccgo, fmt.Sprintf("C.uintptr_t(%s)", p.Name)) + } else if p.Type == "string" && errvar != "" { + textcommon += fmt.Sprintf("\tvar _p%d %s\n", n, strconvtype) + textcommon += fmt.Sprintf("\t_p%d, %s = %s(%s)\n", n, errvar, strconvfunc, p.Name) + textcommon += fmt.Sprintf("\tif %s != nil {\n\t\treturn\n\t}\n", errvar) + + argscommon = append(argscommon, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n)) + argscall = append(argscall, fmt.Sprintf("_p%d uintptr ", n)) + argsgc = append(argsgc, fmt.Sprintf("_p%d", n)) + argsgccgo = append(argsgccgo, fmt.Sprintf("C.uintptr_t(_p%d)", n)) + n++ + } else if p.Type == "string" { + fmt.Fprintf(os.Stderr, path+":"+funct+" uses string arguments, but has no error return\n") + textcommon += fmt.Sprintf("\tvar _p%d %s\n", n, strconvtype) + textcommon += fmt.Sprintf("\t_p%d, %s = %s(%s)\n", n, errvar, strconvfunc, p.Name) + textcommon += fmt.Sprintf("\tif %s != nil {\n\t\treturn\n\t}\n", errvar) + + argscommon = append(argscommon, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n)) + argscall = append(argscall, fmt.Sprintf("_p%d uintptr", n)) + argsgc = append(argsgc, fmt.Sprintf("_p%d", n)) + argsgccgo = append(argsgccgo, fmt.Sprintf("C.uintptr_t(_p%d)", n)) + n++ + } else if m := regexp.MustCompile(`^\[\](.*)`).FindStringSubmatch(p.Type); m != nil { + // Convert slice into pointer, length. + // Have to be careful not to take address of &a[0] if len == 0: + // pass nil in that case. + textcommon += fmt.Sprintf("\tvar _p%d *%s\n", n, m[1]) + textcommon += fmt.Sprintf("\tif len(%s) > 0 {\n\t\t_p%d = &%s[0]\n\t}\n", p.Name, n, p.Name) + argscommon = append(argscommon, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n), fmt.Sprintf("len(%s)", p.Name)) + argscall = append(argscall, fmt.Sprintf("_p%d uintptr", n), fmt.Sprintf("_lenp%d int", n)) + argsgc = append(argsgc, fmt.Sprintf("_p%d", n), fmt.Sprintf("uintptr(_lenp%d)", n)) + argsgccgo = append(argsgccgo, fmt.Sprintf("C.uintptr_t(_p%d)", n), fmt.Sprintf("C.size_t(_lenp%d)", n)) + n++ + } else if p.Type == "int64" && endianness != "" { + fmt.Fprintf(os.Stderr, path+":"+funct+" uses int64 with 32 bits mode. Case not yet implemented\n") + } else if p.Type == "bool" { + fmt.Fprintf(os.Stderr, path+":"+funct+" uses bool. Case not yet implemented\n") + } else if regexp.MustCompile(`^_`).FindStringSubmatch(p.Type) != nil || p.Type == "unsafe.Pointer" { + argscommon = append(argscommon, fmt.Sprintf("uintptr(%s)", p.Name)) + argscall = append(argscall, fmt.Sprintf("%s uintptr", p.Name)) + argsgc = append(argsgc, p.Name) + argsgccgo = append(argsgccgo, fmt.Sprintf("C.uintptr_t(%s)", p.Name)) + } else if p.Type == "int" { + if (argN == 0 || argN == 2) && ((funct == "fcntl") || (funct == "FcntlInt") || (funct == "FcntlFlock")) { + // These fcntl arguments need to be uintptr to be able to call FcntlInt and FcntlFlock + argscommon = append(argscommon, fmt.Sprintf("uintptr(%s)", p.Name)) + argscall = append(argscall, fmt.Sprintf("%s uintptr", p.Name)) + argsgc = append(argsgc, p.Name) + argsgccgo = append(argsgccgo, fmt.Sprintf("C.uintptr_t(%s)", p.Name)) + + } else { + argscommon = append(argscommon, p.Name) + argscall = append(argscall, fmt.Sprintf("%s int", p.Name)) + argsgc = append(argsgc, fmt.Sprintf("uintptr(%s)", p.Name)) + argsgccgo = append(argsgccgo, fmt.Sprintf("C.int(%s)", p.Name)) + } + } else if p.Type == "int32" { + argscommon = append(argscommon, p.Name) + argscall = append(argscall, fmt.Sprintf("%s int32", p.Name)) + argsgc = append(argsgc, fmt.Sprintf("uintptr(%s)", p.Name)) + argsgccgo = append(argsgccgo, fmt.Sprintf("C.int(%s)", p.Name)) + } else if p.Type == "int64" { + argscommon = append(argscommon, p.Name) + argscall = append(argscall, fmt.Sprintf("%s int64", p.Name)) + argsgc = append(argsgc, fmt.Sprintf("uintptr(%s)", p.Name)) + argsgccgo = append(argsgccgo, fmt.Sprintf("C.longlong(%s)", p.Name)) + } else if p.Type == "uint32" { + argscommon = append(argscommon, p.Name) + argscall = append(argscall, fmt.Sprintf("%s uint32", p.Name)) + argsgc = append(argsgc, fmt.Sprintf("uintptr(%s)", p.Name)) + argsgccgo = append(argsgccgo, fmt.Sprintf("C.uint(%s)", p.Name)) + } else if p.Type == "uint64" { + argscommon = append(argscommon, p.Name) + argscall = append(argscall, fmt.Sprintf("%s uint64", p.Name)) + argsgc = append(argsgc, fmt.Sprintf("uintptr(%s)", p.Name)) + argsgccgo = append(argsgccgo, fmt.Sprintf("C.ulonglong(%s)", p.Name)) + } else if p.Type == "uintptr" { + argscommon = append(argscommon, p.Name) + argscall = append(argscall, fmt.Sprintf("%s uintptr", p.Name)) + argsgc = append(argsgc, p.Name) + argsgccgo = append(argsgccgo, fmt.Sprintf("C.uintptr_t(%s)", p.Name)) + } else { + argscommon = append(argscommon, fmt.Sprintf("int(%s)", p.Name)) + argscall = append(argscall, fmt.Sprintf("%s int", p.Name)) + argsgc = append(argsgc, fmt.Sprintf("uintptr(%s)", p.Name)) + argsgccgo = append(argsgccgo, fmt.Sprintf("C.int(%s)", p.Name)) + } + argN++ + } + nargs := len(argsgc) + + // COMMON function generation + argscommonlist := strings.Join(argscommon, ", ") + callcommon := fmt.Sprintf("call%s(%s)", sysname, argscommonlist) + ret := []string{"_", "_"} + body := "" + doErrno := false + for i := 0; i < len(out); i++ { + p := parseParam(out[i]) + reg := "" + if p.Name == "err" { + reg = "e1" + ret[1] = reg + doErrno = true + } else { + reg = "r0" + ret[0] = reg + } + if p.Type == "bool" { + reg = fmt.Sprintf("%s != 0", reg) + } + if reg != "e1" { + body += fmt.Sprintf("\t%s = %s(%s)\n", p.Name, p.Type, reg) + } + } + if ret[0] == "_" && ret[1] == "_" { + textcommon += fmt.Sprintf("\t%s\n", callcommon) + } else { + textcommon += fmt.Sprintf("\t%s, %s := %s\n", ret[0], ret[1], callcommon) + } + textcommon += body + + if doErrno { + textcommon += "\tif e1 != 0 {\n" + textcommon += "\t\terr = errnoErr(e1)\n" + textcommon += "\t}\n" + } + textcommon += "\treturn\n" + textcommon += "}\n" + + if onlyCommon { + continue + } + + // CALL Prototype + callProto := fmt.Sprintf("func call%s(%s) (r1 uintptr, e1 Errno) {\n", sysname, strings.Join(argscall, ", ")) + + // GC function generation + asm := "syscall6" + if nonblock != nil { + asm = "rawSyscall6" + } + + if len(argsgc) <= 6 { + for len(argsgc) < 6 { + argsgc = append(argsgc, "0") + } + } else { + fmt.Fprintf(os.Stderr, "%s: too many arguments to system call", funct) + os.Exit(1) + } + argsgclist := strings.Join(argsgc, ", ") + callgc := fmt.Sprintf("%s(uintptr(unsafe.Pointer(&%s)), %d, %s)", asm, sysvarname, nargs, argsgclist) + + textgc += callProto + textgc += fmt.Sprintf("\tr1, _, e1 = %s\n", callgc) + textgc += "\treturn\n}\n" + + // GCCGO function generation + argsgccgolist := strings.Join(argsgccgo, ", ") + var callgccgo string + if sysname == "select" { + // select is a keyword of Go. Its name is + // changed to c_select. + callgccgo = fmt.Sprintf("C.c_%s(%s)", sysname, argsgccgolist) + } else { + callgccgo = fmt.Sprintf("C.%s(%s)", sysname, argsgccgolist) + } + textgccgo += callProto + textgccgo += fmt.Sprintf("\tr1 = uintptr(%s)\n", callgccgo) + textgccgo += "\te1 = syscall.GetErrno()\n" + textgccgo += "\treturn\n}\n" + } + if err := s.Err(); err != nil { + fmt.Fprintf(os.Stderr, err.Error()) + os.Exit(1) + } + file.Close() + } + imp := "" + if pack != "unix" { + imp = "import \"golang.org/x/sys/unix\"\n" + + } + + // Print zsyscall_aix_ppc64.go + err := ioutil.WriteFile("zsyscall_aix_ppc64.go", + []byte(fmt.Sprintf(srcTemplate1, cmdLine(), buildTags(), pack, imp, textcommon)), + 0644) + if err != nil { + fmt.Fprintf(os.Stderr, err.Error()) + os.Exit(1) + } + + // Print zsyscall_aix_ppc64_gc.go + vardecls := "\t" + strings.Join(vars, ",\n\t") + vardecls += " syscallFunc" + err = ioutil.WriteFile("zsyscall_aix_ppc64_gc.go", + []byte(fmt.Sprintf(srcTemplate2, cmdLine(), buildTags(), pack, imp, dynimports, linknames, vardecls, textgc)), + 0644) + if err != nil { + fmt.Fprintf(os.Stderr, err.Error()) + os.Exit(1) + } + + // Print zsyscall_aix_ppc64_gccgo.go + err = ioutil.WriteFile("zsyscall_aix_ppc64_gccgo.go", + []byte(fmt.Sprintf(srcTemplate3, cmdLine(), buildTags(), pack, cExtern, imp, textgccgo)), + 0644) + if err != nil { + fmt.Fprintf(os.Stderr, err.Error()) + os.Exit(1) + } +} + +const srcTemplate1 = `// %s +// Code generated by the command above; see README.md. DO NOT EDIT. + +// +build %s + +package %s + +import ( + "unsafe" +) + + +%s + +%s +` +const srcTemplate2 = `// %s +// Code generated by the command above; see README.md. DO NOT EDIT. + +// +build %s +// +build !gccgo + +package %s + +import ( + "unsafe" +) +%s +%s +%s +type syscallFunc uintptr + +var ( +%s +) + +// Implemented in runtime/syscall_aix.go. +func rawSyscall6(trap, nargs, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno) +func syscall6(trap, nargs, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno) + +%s +` +const srcTemplate3 = `// %s +// Code generated by the command above; see README.md. DO NOT EDIT. + +// +build %s +// +build gccgo + +package %s + +%s +*/ +import "C" +import ( + "syscall" +) + + +%s + +%s +` diff --git a/vendor/golang.org/x/sys/unix/mksyscall_solaris.go b/vendor/golang.org/x/sys/unix/mksyscall_solaris.go new file mode 100644 index 000000000..675597e44 --- /dev/null +++ b/vendor/golang.org/x/sys/unix/mksyscall_solaris.go @@ -0,0 +1,341 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build ignore + +/* + This program reads a file containing function prototypes + (like syscall_solaris.go) and generates system call bodies. + The prototypes are marked by lines beginning with "//sys" + and read like func declarations if //sys is replaced by func, but: + * The parameter lists must give a name for each argument. + This includes return parameters. + * The parameter lists must give a type for each argument: + the (x, y, z int) shorthand is not allowed. + * If the return parameter is an error number, it must be named err. + * If go func name needs to be different than its libc name, + * or the function is not in libc, name could be specified + * at the end, after "=" sign, like + //sys getsockopt(s int, level int, name int, val uintptr, vallen *_Socklen) (err error) = libsocket.getsockopt +*/ + +package main + +import ( + "bufio" + "flag" + "fmt" + "os" + "regexp" + "strings" +) + +var ( + b32 = flag.Bool("b32", false, "32bit big-endian") + l32 = flag.Bool("l32", false, "32bit little-endian") + tags = flag.String("tags", "", "build tags") + illumos = flag.Bool("illumos", false, "illumos specific code generation") +) + +// cmdLine returns this programs's commandline arguments +func cmdLine() string { + return "go run mksyscall_solaris.go " + strings.Join(os.Args[1:], " ") +} + +// buildTags returns build tags +func buildTags() string { + return *tags +} + +// Param is function parameter +type Param struct { + Name string + Type string +} + +// usage prints the program usage +func usage() { + fmt.Fprintf(os.Stderr, "usage: go run mksyscall_solaris.go [-b32 | -l32] [-tags x,y] [file ...]\n") + os.Exit(1) +} + +// parseParamList parses parameter list and returns a slice of parameters +func parseParamList(list string) []string { + list = strings.TrimSpace(list) + if list == "" { + return []string{} + } + return regexp.MustCompile(`\s*,\s*`).Split(list, -1) +} + +// parseParam splits a parameter into name and type +func parseParam(p string) Param { + ps := regexp.MustCompile(`^(\S*) (\S*)$`).FindStringSubmatch(p) + if ps == nil { + fmt.Fprintf(os.Stderr, "malformed parameter: %s\n", p) + os.Exit(1) + } + return Param{ps[1], ps[2]} +} + +func main() { + flag.Usage = usage + flag.Parse() + if len(flag.Args()) <= 0 { + fmt.Fprintf(os.Stderr, "no files to parse provided\n") + usage() + } + + endianness := "" + if *b32 { + endianness = "big-endian" + } else if *l32 { + endianness = "little-endian" + } + + pack := "" + text := "" + dynimports := "" + linknames := "" + var vars []string + for _, path := range flag.Args() { + file, err := os.Open(path) + if err != nil { + fmt.Fprintf(os.Stderr, err.Error()) + os.Exit(1) + } + s := bufio.NewScanner(file) + for s.Scan() { + t := s.Text() + t = strings.TrimSpace(t) + t = regexp.MustCompile(`\s+`).ReplaceAllString(t, ` `) + if p := regexp.MustCompile(`^package (\S+)$`).FindStringSubmatch(t); p != nil && pack == "" { + pack = p[1] + } + nonblock := regexp.MustCompile(`^\/\/sysnb `).FindStringSubmatch(t) + if regexp.MustCompile(`^\/\/sys `).FindStringSubmatch(t) == nil && nonblock == nil { + continue + } + + // Line must be of the form + // func Open(path string, mode int, perm int) (fd int, err error) + // Split into name, in params, out params. + f := regexp.MustCompile(`^\/\/sys(nb)? (\w+)\(([^()]*)\)\s*(?:\(([^()]+)\))?\s*(?:=\s*(?:(\w*)\.)?(\w*))?$`).FindStringSubmatch(t) + if f == nil { + fmt.Fprintf(os.Stderr, "%s:%s\nmalformed //sys declaration\n", path, t) + os.Exit(1) + } + funct, inps, outps, modname, sysname := f[2], f[3], f[4], f[5], f[6] + + // Split argument lists on comma. + in := parseParamList(inps) + out := parseParamList(outps) + + inps = strings.Join(in, ", ") + outps = strings.Join(out, ", ") + + // Try in vain to keep people from editing this file. + // The theory is that they jump into the middle of the file + // without reading the header. + text += "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n" + + // So file name. + if modname == "" { + modname = "libc" + } + + // System call name. + if sysname == "" { + sysname = funct + } + + // System call pointer variable name. + sysvarname := fmt.Sprintf("proc%s", sysname) + + strconvfunc := "BytePtrFromString" + strconvtype := "*byte" + + sysname = strings.ToLower(sysname) // All libc functions are lowercase. + + // Runtime import of function to allow cross-platform builds. + dynimports += fmt.Sprintf("//go:cgo_import_dynamic libc_%s %s \"%s.so\"\n", sysname, sysname, modname) + // Link symbol to proc address variable. + linknames += fmt.Sprintf("//go:linkname %s libc_%s\n", sysvarname, sysname) + // Library proc address variable. + vars = append(vars, sysvarname) + + // Go function header. + outlist := strings.Join(out, ", ") + if outlist != "" { + outlist = fmt.Sprintf(" (%s)", outlist) + } + if text != "" { + text += "\n" + } + text += fmt.Sprintf("func %s(%s)%s {\n", funct, strings.Join(in, ", "), outlist) + + // Check if err return available + errvar := "" + for _, param := range out { + p := parseParam(param) + if p.Type == "error" { + errvar = p.Name + continue + } + } + + // Prepare arguments to Syscall. + var args []string + n := 0 + for _, param := range in { + p := parseParam(param) + if regexp.MustCompile(`^\*`).FindStringSubmatch(p.Type) != nil { + args = append(args, "uintptr(unsafe.Pointer("+p.Name+"))") + } else if p.Type == "string" && errvar != "" { + text += fmt.Sprintf("\tvar _p%d %s\n", n, strconvtype) + text += fmt.Sprintf("\t_p%d, %s = %s(%s)\n", n, errvar, strconvfunc, p.Name) + text += fmt.Sprintf("\tif %s != nil {\n\t\treturn\n\t}\n", errvar) + args = append(args, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n)) + n++ + } else if p.Type == "string" { + fmt.Fprintf(os.Stderr, path+":"+funct+" uses string arguments, but has no error return\n") + text += fmt.Sprintf("\tvar _p%d %s\n", n, strconvtype) + text += fmt.Sprintf("\t_p%d, _ = %s(%s)\n", n, strconvfunc, p.Name) + args = append(args, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n)) + n++ + } else if s := regexp.MustCompile(`^\[\](.*)`).FindStringSubmatch(p.Type); s != nil { + // Convert slice into pointer, length. + // Have to be careful not to take address of &a[0] if len == 0: + // pass nil in that case. + text += fmt.Sprintf("\tvar _p%d *%s\n", n, s[1]) + text += fmt.Sprintf("\tif len(%s) > 0 {\n\t\t_p%d = &%s[0]\n\t}\n", p.Name, n, p.Name) + args = append(args, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n), fmt.Sprintf("uintptr(len(%s))", p.Name)) + n++ + } else if p.Type == "int64" && endianness != "" { + if endianness == "big-endian" { + args = append(args, fmt.Sprintf("uintptr(%s>>32)", p.Name), fmt.Sprintf("uintptr(%s)", p.Name)) + } else { + args = append(args, fmt.Sprintf("uintptr(%s)", p.Name), fmt.Sprintf("uintptr(%s>>32)", p.Name)) + } + } else if p.Type == "bool" { + text += fmt.Sprintf("\tvar _p%d uint32\n", n) + text += fmt.Sprintf("\tif %s {\n\t\t_p%d = 1\n\t} else {\n\t\t_p%d = 0\n\t}\n", p.Name, n, n) + args = append(args, fmt.Sprintf("uintptr(_p%d)", n)) + n++ + } else { + args = append(args, fmt.Sprintf("uintptr(%s)", p.Name)) + } + } + nargs := len(args) + + // Determine which form to use; pad args with zeros. + asm := "sysvicall6" + if nonblock != nil { + asm = "rawSysvicall6" + } + if len(args) <= 6 { + for len(args) < 6 { + args = append(args, "0") + } + } else { + fmt.Fprintf(os.Stderr, "%s: too many arguments to system call\n", path) + os.Exit(1) + } + + // Actual call. + arglist := strings.Join(args, ", ") + call := fmt.Sprintf("%s(uintptr(unsafe.Pointer(&%s)), %d, %s)", asm, sysvarname, nargs, arglist) + + // Assign return values. + body := "" + ret := []string{"_", "_", "_"} + doErrno := false + for i := 0; i < len(out); i++ { + p := parseParam(out[i]) + reg := "" + if p.Name == "err" { + reg = "e1" + ret[2] = reg + doErrno = true + } else { + reg = fmt.Sprintf("r%d", i) + ret[i] = reg + } + if p.Type == "bool" { + reg = fmt.Sprintf("%d != 0", reg) + } + if p.Type == "int64" && endianness != "" { + // 64-bit number in r1:r0 or r0:r1. + if i+2 > len(out) { + fmt.Fprintf(os.Stderr, "%s: not enough registers for int64 return\n", path) + os.Exit(1) + } + if endianness == "big-endian" { + reg = fmt.Sprintf("int64(r%d)<<32 | int64(r%d)", i, i+1) + } else { + reg = fmt.Sprintf("int64(r%d)<<32 | int64(r%d)", i+1, i) + } + ret[i] = fmt.Sprintf("r%d", i) + ret[i+1] = fmt.Sprintf("r%d", i+1) + } + if reg != "e1" { + body += fmt.Sprintf("\t%s = %s(%s)\n", p.Name, p.Type, reg) + } + } + if ret[0] == "_" && ret[1] == "_" && ret[2] == "_" { + text += fmt.Sprintf("\t%s\n", call) + } else { + text += fmt.Sprintf("\t%s, %s, %s := %s\n", ret[0], ret[1], ret[2], call) + } + text += body + + if doErrno { + text += "\tif e1 != 0 {\n" + text += "\t\terr = e1\n" + text += "\t}\n" + } + text += "\treturn\n" + text += "}\n" + } + if err := s.Err(); err != nil { + fmt.Fprintf(os.Stderr, err.Error()) + os.Exit(1) + } + file.Close() + } + imp := "" + if pack != "unix" { + imp = "import \"golang.org/x/sys/unix\"\n" + } + + syscallimp := "" + if !*illumos { + syscallimp = "\"syscall\"" + } + + vardecls := "\t" + strings.Join(vars, ",\n\t") + vardecls += " syscallFunc" + fmt.Printf(srcTemplate, cmdLine(), buildTags(), pack, syscallimp, imp, dynimports, linknames, vardecls, text) +} + +const srcTemplate = `// %s +// Code generated by the command above; see README.md. DO NOT EDIT. + +// +build %s + +package %s + +import ( + "unsafe" + %s +) +%s +%s +%s +var ( +%s +) + +%s +` diff --git a/vendor/golang.org/x/sys/unix/mksysctl_openbsd.go b/vendor/golang.org/x/sys/unix/mksysctl_openbsd.go new file mode 100644 index 000000000..b6b409909 --- /dev/null +++ b/vendor/golang.org/x/sys/unix/mksysctl_openbsd.go @@ -0,0 +1,355 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build ignore + +// Parse the header files for OpenBSD and generate a Go usable sysctl MIB. +// +// Build a MIB with each entry being an array containing the level, type and +// a hash that will contain additional entries if the current entry is a node. +// We then walk this MIB and create a flattened sysctl name to OID hash. + +package main + +import ( + "bufio" + "fmt" + "os" + "path/filepath" + "regexp" + "sort" + "strings" +) + +var ( + goos, goarch string +) + +// cmdLine returns this programs's commandline arguments. +func cmdLine() string { + return "go run mksysctl_openbsd.go " + strings.Join(os.Args[1:], " ") +} + +// buildTags returns build tags. +func buildTags() string { + return fmt.Sprintf("%s,%s", goarch, goos) +} + +// reMatch performs regular expression match and stores the substring slice to value pointed by m. +func reMatch(re *regexp.Regexp, str string, m *[]string) bool { + *m = re.FindStringSubmatch(str) + if *m != nil { + return true + } + return false +} + +type nodeElement struct { + n int + t string + pE *map[string]nodeElement +} + +var ( + debugEnabled bool + mib map[string]nodeElement + node *map[string]nodeElement + nodeMap map[string]string + sysCtl []string +) + +var ( + ctlNames1RE = regexp.MustCompile(`^#define\s+(CTL_NAMES)\s+{`) + ctlNames2RE = regexp.MustCompile(`^#define\s+(CTL_(.*)_NAMES)\s+{`) + ctlNames3RE = regexp.MustCompile(`^#define\s+((.*)CTL_NAMES)\s+{`) + netInetRE = regexp.MustCompile(`^netinet/`) + netInet6RE = regexp.MustCompile(`^netinet6/`) + netRE = regexp.MustCompile(`^net/`) + bracesRE = regexp.MustCompile(`{.*}`) + ctlTypeRE = regexp.MustCompile(`{\s+"(\w+)",\s+(CTLTYPE_[A-Z]+)\s+}`) + fsNetKernRE = regexp.MustCompile(`^(fs|net|kern)_`) +) + +func debug(s string) { + if debugEnabled { + fmt.Fprintln(os.Stderr, s) + } +} + +// Walk the MIB and build a sysctl name to OID mapping. +func buildSysctl(pNode *map[string]nodeElement, name string, oid []int) { + lNode := pNode // local copy of pointer to node + var keys []string + for k := range *lNode { + keys = append(keys, k) + } + sort.Strings(keys) + + for _, key := range keys { + nodename := name + if name != "" { + nodename += "." + } + nodename += key + + nodeoid := append(oid, (*pNode)[key].n) + + if (*pNode)[key].t == `CTLTYPE_NODE` { + if _, ok := nodeMap[nodename]; ok { + lNode = &mib + ctlName := nodeMap[nodename] + for _, part := range strings.Split(ctlName, ".") { + lNode = ((*lNode)[part]).pE + } + } else { + lNode = (*pNode)[key].pE + } + buildSysctl(lNode, nodename, nodeoid) + } else if (*pNode)[key].t != "" { + oidStr := []string{} + for j := range nodeoid { + oidStr = append(oidStr, fmt.Sprintf("%d", nodeoid[j])) + } + text := "\t{ \"" + nodename + "\", []_C_int{ " + strings.Join(oidStr, ", ") + " } }, \n" + sysCtl = append(sysCtl, text) + } + } +} + +func main() { + // Get the OS (using GOOS_TARGET if it exist) + goos = os.Getenv("GOOS_TARGET") + if goos == "" { + goos = os.Getenv("GOOS") + } + // Get the architecture (using GOARCH_TARGET if it exists) + goarch = os.Getenv("GOARCH_TARGET") + if goarch == "" { + goarch = os.Getenv("GOARCH") + } + // Check if GOOS and GOARCH environment variables are defined + if goarch == "" || goos == "" { + fmt.Fprintf(os.Stderr, "GOARCH or GOOS not defined in environment\n") + os.Exit(1) + } + + mib = make(map[string]nodeElement) + headers := [...]string{ + `sys/sysctl.h`, + `sys/socket.h`, + `sys/tty.h`, + `sys/malloc.h`, + `sys/mount.h`, + `sys/namei.h`, + `sys/sem.h`, + `sys/shm.h`, + `sys/vmmeter.h`, + `uvm/uvmexp.h`, + `uvm/uvm_param.h`, + `uvm/uvm_swap_encrypt.h`, + `ddb/db_var.h`, + `net/if.h`, + `net/if_pfsync.h`, + `net/pipex.h`, + `netinet/in.h`, + `netinet/icmp_var.h`, + `netinet/igmp_var.h`, + `netinet/ip_ah.h`, + `netinet/ip_carp.h`, + `netinet/ip_divert.h`, + `netinet/ip_esp.h`, + `netinet/ip_ether.h`, + `netinet/ip_gre.h`, + `netinet/ip_ipcomp.h`, + `netinet/ip_ipip.h`, + `netinet/pim_var.h`, + `netinet/tcp_var.h`, + `netinet/udp_var.h`, + `netinet6/in6.h`, + `netinet6/ip6_divert.h`, + `netinet6/pim6_var.h`, + `netinet/icmp6.h`, + `netmpls/mpls.h`, + } + + ctls := [...]string{ + `kern`, + `vm`, + `fs`, + `net`, + //debug /* Special handling required */ + `hw`, + //machdep /* Arch specific */ + `user`, + `ddb`, + //vfs /* Special handling required */ + `fs.posix`, + `kern.forkstat`, + `kern.intrcnt`, + `kern.malloc`, + `kern.nchstats`, + `kern.seminfo`, + `kern.shminfo`, + `kern.timecounter`, + `kern.tty`, + `kern.watchdog`, + `net.bpf`, + `net.ifq`, + `net.inet`, + `net.inet.ah`, + `net.inet.carp`, + `net.inet.divert`, + `net.inet.esp`, + `net.inet.etherip`, + `net.inet.gre`, + `net.inet.icmp`, + `net.inet.igmp`, + `net.inet.ip`, + `net.inet.ip.ifq`, + `net.inet.ipcomp`, + `net.inet.ipip`, + `net.inet.mobileip`, + `net.inet.pfsync`, + `net.inet.pim`, + `net.inet.tcp`, + `net.inet.udp`, + `net.inet6`, + `net.inet6.divert`, + `net.inet6.ip6`, + `net.inet6.icmp6`, + `net.inet6.pim6`, + `net.inet6.tcp6`, + `net.inet6.udp6`, + `net.mpls`, + `net.mpls.ifq`, + `net.key`, + `net.pflow`, + `net.pfsync`, + `net.pipex`, + `net.rt`, + `vm.swapencrypt`, + //vfsgenctl /* Special handling required */ + } + + // Node name "fixups" + ctlMap := map[string]string{ + "ipproto": "net.inet", + "net.inet.ipproto": "net.inet", + "net.inet6.ipv6proto": "net.inet6", + "net.inet6.ipv6": "net.inet6.ip6", + "net.inet.icmpv6": "net.inet6.icmp6", + "net.inet6.divert6": "net.inet6.divert", + "net.inet6.tcp6": "net.inet.tcp", + "net.inet6.udp6": "net.inet.udp", + "mpls": "net.mpls", + "swpenc": "vm.swapencrypt", + } + + // Node mappings + nodeMap = map[string]string{ + "net.inet.ip.ifq": "net.ifq", + "net.inet.pfsync": "net.pfsync", + "net.mpls.ifq": "net.ifq", + } + + mCtls := make(map[string]bool) + for _, ctl := range ctls { + mCtls[ctl] = true + } + + for _, header := range headers { + debug("Processing " + header) + file, err := os.Open(filepath.Join("/usr/include", header)) + if err != nil { + fmt.Fprintf(os.Stderr, "%v\n", err) + os.Exit(1) + } + s := bufio.NewScanner(file) + for s.Scan() { + var sub []string + if reMatch(ctlNames1RE, s.Text(), &sub) || + reMatch(ctlNames2RE, s.Text(), &sub) || + reMatch(ctlNames3RE, s.Text(), &sub) { + if sub[1] == `CTL_NAMES` { + // Top level. + node = &mib + } else { + // Node. + nodename := strings.ToLower(sub[2]) + ctlName := "" + if reMatch(netInetRE, header, &sub) { + ctlName = "net.inet." + nodename + } else if reMatch(netInet6RE, header, &sub) { + ctlName = "net.inet6." + nodename + } else if reMatch(netRE, header, &sub) { + ctlName = "net." + nodename + } else { + ctlName = nodename + ctlName = fsNetKernRE.ReplaceAllString(ctlName, `$1.`) + } + + if val, ok := ctlMap[ctlName]; ok { + ctlName = val + } + if _, ok := mCtls[ctlName]; !ok { + debug("Ignoring " + ctlName + "...") + continue + } + + // Walk down from the top of the MIB. + node = &mib + for _, part := range strings.Split(ctlName, ".") { + if _, ok := (*node)[part]; !ok { + debug("Missing node " + part) + (*node)[part] = nodeElement{n: 0, t: "", pE: &map[string]nodeElement{}} + } + node = (*node)[part].pE + } + } + + // Populate current node with entries. + i := -1 + for !strings.HasPrefix(s.Text(), "}") { + s.Scan() + if reMatch(bracesRE, s.Text(), &sub) { + i++ + } + if !reMatch(ctlTypeRE, s.Text(), &sub) { + continue + } + (*node)[sub[1]] = nodeElement{n: i, t: sub[2], pE: &map[string]nodeElement{}} + } + } + } + err = s.Err() + if err != nil { + fmt.Fprintf(os.Stderr, "%v\n", err) + os.Exit(1) + } + file.Close() + } + buildSysctl(&mib, "", []int{}) + + sort.Strings(sysCtl) + text := strings.Join(sysCtl, "") + + fmt.Printf(srcTemplate, cmdLine(), buildTags(), text) +} + +const srcTemplate = `// %s +// Code generated by the command above; DO NOT EDIT. + +// +build %s + +package unix + +type mibentry struct { + ctlname string + ctloid []_C_int +} + +var sysctlMib = []mibentry { +%s +} +` diff --git a/vendor/golang.org/x/sys/unix/mksysnum.go b/vendor/golang.org/x/sys/unix/mksysnum.go new file mode 100644 index 000000000..baa6ecd85 --- /dev/null +++ b/vendor/golang.org/x/sys/unix/mksysnum.go @@ -0,0 +1,190 @@ +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build ignore + +// Generate system call table for DragonFly, NetBSD, +// FreeBSD, OpenBSD or Darwin from master list +// (for example, /usr/src/sys/kern/syscalls.master or +// sys/syscall.h). +package main + +import ( + "bufio" + "fmt" + "io" + "io/ioutil" + "net/http" + "os" + "regexp" + "strings" +) + +var ( + goos, goarch string +) + +// cmdLine returns this programs's commandline arguments +func cmdLine() string { + return "go run mksysnum.go " + strings.Join(os.Args[1:], " ") +} + +// buildTags returns build tags +func buildTags() string { + return fmt.Sprintf("%s,%s", goarch, goos) +} + +func checkErr(err error) { + if err != nil { + fmt.Fprintf(os.Stderr, "%v\n", err) + os.Exit(1) + } +} + +// source string and substring slice for regexp +type re struct { + str string // source string + sub []string // matched sub-string +} + +// Match performs regular expression match +func (r *re) Match(exp string) bool { + r.sub = regexp.MustCompile(exp).FindStringSubmatch(r.str) + if r.sub != nil { + return true + } + return false +} + +// fetchFile fetches a text file from URL +func fetchFile(URL string) io.Reader { + resp, err := http.Get(URL) + checkErr(err) + defer resp.Body.Close() + body, err := ioutil.ReadAll(resp.Body) + checkErr(err) + return strings.NewReader(string(body)) +} + +// readFile reads a text file from path +func readFile(path string) io.Reader { + file, err := os.Open(os.Args[1]) + checkErr(err) + return file +} + +func format(name, num, proto string) string { + name = strings.ToUpper(name) + // There are multiple entries for enosys and nosys, so comment them out. + nm := re{str: name} + if nm.Match(`^SYS_E?NOSYS$`) { + name = fmt.Sprintf("// %s", name) + } + if name == `SYS_SYS_EXIT` { + name = `SYS_EXIT` + } + return fmt.Sprintf(" %s = %s; // %s\n", name, num, proto) +} + +func main() { + // Get the OS (using GOOS_TARGET if it exist) + goos = os.Getenv("GOOS_TARGET") + if goos == "" { + goos = os.Getenv("GOOS") + } + // Get the architecture (using GOARCH_TARGET if it exists) + goarch = os.Getenv("GOARCH_TARGET") + if goarch == "" { + goarch = os.Getenv("GOARCH") + } + // Check if GOOS and GOARCH environment variables are defined + if goarch == "" || goos == "" { + fmt.Fprintf(os.Stderr, "GOARCH or GOOS not defined in environment\n") + os.Exit(1) + } + + file := strings.TrimSpace(os.Args[1]) + var syscalls io.Reader + if strings.HasPrefix(file, "https://") || strings.HasPrefix(file, "http://") { + // Download syscalls.master file + syscalls = fetchFile(file) + } else { + syscalls = readFile(file) + } + + var text, line string + s := bufio.NewScanner(syscalls) + for s.Scan() { + t := re{str: line} + if t.Match(`^(.*)\\$`) { + // Handle continuation + line = t.sub[1] + line += strings.TrimLeft(s.Text(), " \t") + } else { + // New line + line = s.Text() + } + t = re{str: line} + if t.Match(`\\$`) { + continue + } + t = re{str: line} + + switch goos { + case "dragonfly": + if t.Match(`^([0-9]+)\s+STD\s+({ \S+\s+(\w+).*)$`) { + num, proto := t.sub[1], t.sub[2] + name := fmt.Sprintf("SYS_%s", t.sub[3]) + text += format(name, num, proto) + } + case "freebsd": + if t.Match(`^([0-9]+)\s+\S+\s+(?:(?:NO)?STD|COMPAT10)\s+({ \S+\s+(\w+).*)$`) { + num, proto := t.sub[1], t.sub[2] + name := fmt.Sprintf("SYS_%s", t.sub[3]) + text += format(name, num, proto) + } + case "openbsd": + if t.Match(`^([0-9]+)\s+STD\s+(NOLOCK\s+)?({ \S+\s+\*?(\w+).*)$`) { + num, proto, name := t.sub[1], t.sub[3], t.sub[4] + text += format(name, num, proto) + } + case "netbsd": + if t.Match(`^([0-9]+)\s+((STD)|(NOERR))\s+(RUMP\s+)?({\s+\S+\s*\*?\s*\|(\S+)\|(\S*)\|(\w+).*\s+})(\s+(\S+))?$`) { + num, proto, compat := t.sub[1], t.sub[6], t.sub[8] + name := t.sub[7] + "_" + t.sub[9] + if t.sub[11] != "" { + name = t.sub[7] + "_" + t.sub[11] + } + name = strings.ToUpper(name) + if compat == "" || compat == "13" || compat == "30" || compat == "50" { + text += fmt.Sprintf(" %s = %s; // %s\n", name, num, proto) + } + } + case "darwin": + if t.Match(`^#define\s+SYS_(\w+)\s+([0-9]+)`) { + name, num := t.sub[1], t.sub[2] + name = strings.ToUpper(name) + text += fmt.Sprintf(" SYS_%s = %s;\n", name, num) + } + default: + fmt.Fprintf(os.Stderr, "unrecognized GOOS=%s\n", goos) + os.Exit(1) + + } + } + err := s.Err() + checkErr(err) + + fmt.Printf(template, cmdLine(), buildTags(), text) +} + +const template = `// %s +// Code generated by the command above; see README.md. DO NOT EDIT. + +// +build %s + +package unix + +const( +%s)` diff --git a/vendor/golang.org/x/sys/unix/types_aix.go b/vendor/golang.org/x/sys/unix/types_aix.go new file mode 100644 index 000000000..40d2beede --- /dev/null +++ b/vendor/golang.org/x/sys/unix/types_aix.go @@ -0,0 +1,237 @@ +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build ignore +// +build aix + +/* +Input to cgo -godefs. See also mkerrors.sh and mkall.sh +*/ + +// +godefs map struct_in_addr [4]byte /* in_addr */ +// +godefs map struct_in6_addr [16]byte /* in6_addr */ + +package unix + +/* +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#include +#include +#include +#include + + +#include +#include + +enum { + sizeofPtr = sizeof(void*), +}; + +union sockaddr_all { + struct sockaddr s1; // this one gets used for fields + struct sockaddr_in s2; // these pad it out + struct sockaddr_in6 s3; + struct sockaddr_un s4; + struct sockaddr_dl s5; +}; + +struct sockaddr_any { + struct sockaddr addr; + char pad[sizeof(union sockaddr_all) - sizeof(struct sockaddr)]; +}; + +*/ +import "C" + +// Machine characteristics + +const ( + SizeofPtr = C.sizeofPtr + SizeofShort = C.sizeof_short + SizeofInt = C.sizeof_int + SizeofLong = C.sizeof_long + SizeofLongLong = C.sizeof_longlong + PathMax = C.PATH_MAX +) + +// Basic types + +type ( + _C_short C.short + _C_int C.int + _C_long C.long + _C_long_long C.longlong +) + +type off64 C.off64_t +type off C.off_t +type Mode_t C.mode_t + +// Time + +type Timespec C.struct_timespec + +type Timeval C.struct_timeval + +type Timeval32 C.struct_timeval32 + +type Timex C.struct_timex + +type Time_t C.time_t + +type Tms C.struct_tms + +type Utimbuf C.struct_utimbuf + +type Timezone C.struct_timezone + +// Processes + +type Rusage C.struct_rusage + +type Rlimit C.struct_rlimit64 + +type Pid_t C.pid_t + +type _Gid_t C.gid_t + +type dev_t C.dev_t + +// Files + +type Stat_t C.struct_stat + +type StatxTimestamp C.struct_statx_timestamp + +type Statx_t C.struct_statx + +type Dirent C.struct_dirent + +// Sockets + +type RawSockaddrInet4 C.struct_sockaddr_in + +type RawSockaddrInet6 C.struct_sockaddr_in6 + +type RawSockaddrUnix C.struct_sockaddr_un + +type RawSockaddrDatalink C.struct_sockaddr_dl + +type RawSockaddr C.struct_sockaddr + +type RawSockaddrAny C.struct_sockaddr_any + +type _Socklen C.socklen_t + +type Cmsghdr C.struct_cmsghdr + +type ICMPv6Filter C.struct_icmp6_filter + +type Iovec C.struct_iovec + +type IPMreq C.struct_ip_mreq + +type IPv6Mreq C.struct_ipv6_mreq + +type IPv6MTUInfo C.struct_ip6_mtuinfo + +type Linger C.struct_linger + +type Msghdr C.struct_msghdr + +const ( + SizeofSockaddrInet4 = C.sizeof_struct_sockaddr_in + SizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6 + SizeofSockaddrAny = C.sizeof_struct_sockaddr_any + SizeofSockaddrUnix = C.sizeof_struct_sockaddr_un + SizeofSockaddrDatalink = C.sizeof_struct_sockaddr_dl + SizeofLinger = C.sizeof_struct_linger + SizeofIPMreq = C.sizeof_struct_ip_mreq + SizeofIPv6Mreq = C.sizeof_struct_ipv6_mreq + SizeofIPv6MTUInfo = C.sizeof_struct_ip6_mtuinfo + SizeofMsghdr = C.sizeof_struct_msghdr + SizeofCmsghdr = C.sizeof_struct_cmsghdr + SizeofICMPv6Filter = C.sizeof_struct_icmp6_filter +) + +// Routing and interface messages + +const ( + SizeofIfMsghdr = C.sizeof_struct_if_msghdr +) + +type IfMsgHdr C.struct_if_msghdr + +// Misc + +type FdSet C.fd_set + +type Utsname C.struct_utsname + +type Ustat_t C.struct_ustat + +type Sigset_t C.sigset_t + +const ( + AT_FDCWD = C.AT_FDCWD + AT_REMOVEDIR = C.AT_REMOVEDIR + AT_SYMLINK_NOFOLLOW = C.AT_SYMLINK_NOFOLLOW +) + +// Terminal handling + +type Termios C.struct_termios + +type Termio C.struct_termio + +type Winsize C.struct_winsize + +//poll + +type PollFd struct { + Fd int32 + Events uint16 + Revents uint16 +} + +const ( + POLLERR = C.POLLERR + POLLHUP = C.POLLHUP + POLLIN = C.POLLIN + POLLNVAL = C.POLLNVAL + POLLOUT = C.POLLOUT + POLLPRI = C.POLLPRI + POLLRDBAND = C.POLLRDBAND + POLLRDNORM = C.POLLRDNORM + POLLWRBAND = C.POLLWRBAND + POLLWRNORM = C.POLLWRNORM +) + +//flock_t + +type Flock_t C.struct_flock64 + +// Statfs + +type Fsid_t C.struct_fsid_t +type Fsid64_t C.struct_fsid64_t + +type Statfs_t C.struct_statfs + +const RNDGETENTCNT = 0x80045200 diff --git a/vendor/golang.org/x/sys/unix/types_darwin.go b/vendor/golang.org/x/sys/unix/types_darwin.go new file mode 100644 index 000000000..155c2e692 --- /dev/null +++ b/vendor/golang.org/x/sys/unix/types_darwin.go @@ -0,0 +1,283 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build ignore + +/* +Input to cgo -godefs. See README.md +*/ + +// +godefs map struct_in_addr [4]byte /* in_addr */ +// +godefs map struct_in6_addr [16]byte /* in6_addr */ + +package unix + +/* +#define __DARWIN_UNIX03 0 +#define KERNEL +#define _DARWIN_USE_64_BIT_INODE +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +enum { + sizeofPtr = sizeof(void*), +}; + +union sockaddr_all { + struct sockaddr s1; // this one gets used for fields + struct sockaddr_in s2; // these pad it out + struct sockaddr_in6 s3; + struct sockaddr_un s4; + struct sockaddr_dl s5; +}; + +struct sockaddr_any { + struct sockaddr addr; + char pad[sizeof(union sockaddr_all) - sizeof(struct sockaddr)]; +}; + +*/ +import "C" + +// Machine characteristics + +const ( + SizeofPtr = C.sizeofPtr + SizeofShort = C.sizeof_short + SizeofInt = C.sizeof_int + SizeofLong = C.sizeof_long + SizeofLongLong = C.sizeof_longlong +) + +// Basic types + +type ( + _C_short C.short + _C_int C.int + _C_long C.long + _C_long_long C.longlong +) + +// Time + +type Timespec C.struct_timespec + +type Timeval C.struct_timeval + +type Timeval32 C.struct_timeval32 + +// Processes + +type Rusage C.struct_rusage + +type Rlimit C.struct_rlimit + +type _Gid_t C.gid_t + +// Files + +type Stat_t C.struct_stat64 + +type Statfs_t C.struct_statfs64 + +type Flock_t C.struct_flock + +type Fstore_t C.struct_fstore + +type Radvisory_t C.struct_radvisory + +type Fbootstraptransfer_t C.struct_fbootstraptransfer + +type Log2phys_t C.struct_log2phys + +type Fsid C.struct_fsid + +type Dirent C.struct_dirent + +// Sockets + +type RawSockaddrInet4 C.struct_sockaddr_in + +type RawSockaddrInet6 C.struct_sockaddr_in6 + +type RawSockaddrUnix C.struct_sockaddr_un + +type RawSockaddrDatalink C.struct_sockaddr_dl + +type RawSockaddr C.struct_sockaddr + +type RawSockaddrAny C.struct_sockaddr_any + +type _Socklen C.socklen_t + +type Linger C.struct_linger + +type Iovec C.struct_iovec + +type IPMreq C.struct_ip_mreq + +type IPv6Mreq C.struct_ipv6_mreq + +type Msghdr C.struct_msghdr + +type Cmsghdr C.struct_cmsghdr + +type Inet4Pktinfo C.struct_in_pktinfo + +type Inet6Pktinfo C.struct_in6_pktinfo + +type IPv6MTUInfo C.struct_ip6_mtuinfo + +type ICMPv6Filter C.struct_icmp6_filter + +const ( + SizeofSockaddrInet4 = C.sizeof_struct_sockaddr_in + SizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6 + SizeofSockaddrAny = C.sizeof_struct_sockaddr_any + SizeofSockaddrUnix = C.sizeof_struct_sockaddr_un + SizeofSockaddrDatalink = C.sizeof_struct_sockaddr_dl + SizeofLinger = C.sizeof_struct_linger + SizeofIPMreq = C.sizeof_struct_ip_mreq + SizeofIPv6Mreq = C.sizeof_struct_ipv6_mreq + SizeofMsghdr = C.sizeof_struct_msghdr + SizeofCmsghdr = C.sizeof_struct_cmsghdr + SizeofInet4Pktinfo = C.sizeof_struct_in_pktinfo + SizeofInet6Pktinfo = C.sizeof_struct_in6_pktinfo + SizeofIPv6MTUInfo = C.sizeof_struct_ip6_mtuinfo + SizeofICMPv6Filter = C.sizeof_struct_icmp6_filter +) + +// Ptrace requests + +const ( + PTRACE_TRACEME = C.PT_TRACE_ME + PTRACE_CONT = C.PT_CONTINUE + PTRACE_KILL = C.PT_KILL +) + +// Events (kqueue, kevent) + +type Kevent_t C.struct_kevent + +// Select + +type FdSet C.fd_set + +// Routing and interface messages + +const ( + SizeofIfMsghdr = C.sizeof_struct_if_msghdr + SizeofIfData = C.sizeof_struct_if_data + SizeofIfaMsghdr = C.sizeof_struct_ifa_msghdr + SizeofIfmaMsghdr = C.sizeof_struct_ifma_msghdr + SizeofIfmaMsghdr2 = C.sizeof_struct_ifma_msghdr2 + SizeofRtMsghdr = C.sizeof_struct_rt_msghdr + SizeofRtMetrics = C.sizeof_struct_rt_metrics +) + +type IfMsghdr C.struct_if_msghdr + +type IfData C.struct_if_data + +type IfaMsghdr C.struct_ifa_msghdr + +type IfmaMsghdr C.struct_ifma_msghdr + +type IfmaMsghdr2 C.struct_ifma_msghdr2 + +type RtMsghdr C.struct_rt_msghdr + +type RtMetrics C.struct_rt_metrics + +// Berkeley packet filter + +const ( + SizeofBpfVersion = C.sizeof_struct_bpf_version + SizeofBpfStat = C.sizeof_struct_bpf_stat + SizeofBpfProgram = C.sizeof_struct_bpf_program + SizeofBpfInsn = C.sizeof_struct_bpf_insn + SizeofBpfHdr = C.sizeof_struct_bpf_hdr +) + +type BpfVersion C.struct_bpf_version + +type BpfStat C.struct_bpf_stat + +type BpfProgram C.struct_bpf_program + +type BpfInsn C.struct_bpf_insn + +type BpfHdr C.struct_bpf_hdr + +// Terminal handling + +type Termios C.struct_termios + +type Winsize C.struct_winsize + +// fchmodat-like syscalls. + +const ( + AT_FDCWD = C.AT_FDCWD + AT_REMOVEDIR = C.AT_REMOVEDIR + AT_SYMLINK_FOLLOW = C.AT_SYMLINK_FOLLOW + AT_SYMLINK_NOFOLLOW = C.AT_SYMLINK_NOFOLLOW +) + +// poll + +type PollFd C.struct_pollfd + +const ( + POLLERR = C.POLLERR + POLLHUP = C.POLLHUP + POLLIN = C.POLLIN + POLLNVAL = C.POLLNVAL + POLLOUT = C.POLLOUT + POLLPRI = C.POLLPRI + POLLRDBAND = C.POLLRDBAND + POLLRDNORM = C.POLLRDNORM + POLLWRBAND = C.POLLWRBAND + POLLWRNORM = C.POLLWRNORM +) + +// uname + +type Utsname C.struct_utsname + +// Clockinfo + +const SizeofClockinfo = C.sizeof_struct_clockinfo + +type Clockinfo C.struct_clockinfo diff --git a/vendor/golang.org/x/sys/unix/types_dragonfly.go b/vendor/golang.org/x/sys/unix/types_dragonfly.go new file mode 100644 index 000000000..6574f6b6a --- /dev/null +++ b/vendor/golang.org/x/sys/unix/types_dragonfly.go @@ -0,0 +1,269 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build ignore + +/* +Input to cgo -godefs. See README.md +*/ + +// +godefs map struct_in_addr [4]byte /* in_addr */ +// +godefs map struct_in6_addr [16]byte /* in6_addr */ + +package unix + +/* +#define KERNEL +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +enum { + sizeofPtr = sizeof(void*), +}; + +union sockaddr_all { + struct sockaddr s1; // this one gets used for fields + struct sockaddr_in s2; // these pad it out + struct sockaddr_in6 s3; + struct sockaddr_un s4; + struct sockaddr_dl s5; +}; + +struct sockaddr_any { + struct sockaddr addr; + char pad[sizeof(union sockaddr_all) - sizeof(struct sockaddr)]; +}; + +*/ +import "C" + +// Machine characteristics + +const ( + SizeofPtr = C.sizeofPtr + SizeofShort = C.sizeof_short + SizeofInt = C.sizeof_int + SizeofLong = C.sizeof_long + SizeofLongLong = C.sizeof_longlong +) + +// Basic types + +type ( + _C_short C.short + _C_int C.int + _C_long C.long + _C_long_long C.longlong +) + +// Time + +type Timespec C.struct_timespec + +type Timeval C.struct_timeval + +// Processes + +type Rusage C.struct_rusage + +type Rlimit C.struct_rlimit + +type _Gid_t C.gid_t + +// Files + +type Stat_t C.struct_stat + +type Statfs_t C.struct_statfs + +type Flock_t C.struct_flock + +type Dirent C.struct_dirent + +type Fsid C.struct_fsid + +// File system limits + +const ( + PathMax = C.PATH_MAX +) + +// Sockets + +type RawSockaddrInet4 C.struct_sockaddr_in + +type RawSockaddrInet6 C.struct_sockaddr_in6 + +type RawSockaddrUnix C.struct_sockaddr_un + +type RawSockaddrDatalink C.struct_sockaddr_dl + +type RawSockaddr C.struct_sockaddr + +type RawSockaddrAny C.struct_sockaddr_any + +type _Socklen C.socklen_t + +type Linger C.struct_linger + +type Iovec C.struct_iovec + +type IPMreq C.struct_ip_mreq + +type IPv6Mreq C.struct_ipv6_mreq + +type Msghdr C.struct_msghdr + +type Cmsghdr C.struct_cmsghdr + +type Inet6Pktinfo C.struct_in6_pktinfo + +type IPv6MTUInfo C.struct_ip6_mtuinfo + +type ICMPv6Filter C.struct_icmp6_filter + +const ( + SizeofSockaddrInet4 = C.sizeof_struct_sockaddr_in + SizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6 + SizeofSockaddrAny = C.sizeof_struct_sockaddr_any + SizeofSockaddrUnix = C.sizeof_struct_sockaddr_un + SizeofSockaddrDatalink = C.sizeof_struct_sockaddr_dl + SizeofLinger = C.sizeof_struct_linger + SizeofIPMreq = C.sizeof_struct_ip_mreq + SizeofIPv6Mreq = C.sizeof_struct_ipv6_mreq + SizeofMsghdr = C.sizeof_struct_msghdr + SizeofCmsghdr = C.sizeof_struct_cmsghdr + SizeofInet6Pktinfo = C.sizeof_struct_in6_pktinfo + SizeofIPv6MTUInfo = C.sizeof_struct_ip6_mtuinfo + SizeofICMPv6Filter = C.sizeof_struct_icmp6_filter +) + +// Ptrace requests + +const ( + PTRACE_TRACEME = C.PT_TRACE_ME + PTRACE_CONT = C.PT_CONTINUE + PTRACE_KILL = C.PT_KILL +) + +// Events (kqueue, kevent) + +type Kevent_t C.struct_kevent + +// Select + +type FdSet C.fd_set + +// Routing and interface messages + +const ( + SizeofIfMsghdr = C.sizeof_struct_if_msghdr + SizeofIfData = C.sizeof_struct_if_data + SizeofIfaMsghdr = C.sizeof_struct_ifa_msghdr + SizeofIfmaMsghdr = C.sizeof_struct_ifma_msghdr + SizeofIfAnnounceMsghdr = C.sizeof_struct_if_announcemsghdr + SizeofRtMsghdr = C.sizeof_struct_rt_msghdr + SizeofRtMetrics = C.sizeof_struct_rt_metrics +) + +type IfMsghdr C.struct_if_msghdr + +type IfData C.struct_if_data + +type IfaMsghdr C.struct_ifa_msghdr + +type IfmaMsghdr C.struct_ifma_msghdr + +type IfAnnounceMsghdr C.struct_if_announcemsghdr + +type RtMsghdr C.struct_rt_msghdr + +type RtMetrics C.struct_rt_metrics + +// Berkeley packet filter + +const ( + SizeofBpfVersion = C.sizeof_struct_bpf_version + SizeofBpfStat = C.sizeof_struct_bpf_stat + SizeofBpfProgram = C.sizeof_struct_bpf_program + SizeofBpfInsn = C.sizeof_struct_bpf_insn + SizeofBpfHdr = C.sizeof_struct_bpf_hdr +) + +type BpfVersion C.struct_bpf_version + +type BpfStat C.struct_bpf_stat + +type BpfProgram C.struct_bpf_program + +type BpfInsn C.struct_bpf_insn + +type BpfHdr C.struct_bpf_hdr + +// Terminal handling + +type Termios C.struct_termios + +type Winsize C.struct_winsize + +// fchmodat-like syscalls. + +const ( + AT_FDCWD = C.AT_FDCWD + AT_SYMLINK_NOFOLLOW = C.AT_SYMLINK_NOFOLLOW +) + +// poll + +type PollFd C.struct_pollfd + +const ( + POLLERR = C.POLLERR + POLLHUP = C.POLLHUP + POLLIN = C.POLLIN + POLLNVAL = C.POLLNVAL + POLLOUT = C.POLLOUT + POLLPRI = C.POLLPRI + POLLRDBAND = C.POLLRDBAND + POLLRDNORM = C.POLLRDNORM + POLLWRBAND = C.POLLWRBAND + POLLWRNORM = C.POLLWRNORM +) + +// Uname + +type Utsname C.struct_utsname + +// Clockinfo + +const SizeofClockinfo = C.sizeof_struct_clockinfo + +type Clockinfo C.struct_clockinfo diff --git a/vendor/golang.org/x/sys/unix/types_freebsd.go b/vendor/golang.org/x/sys/unix/types_freebsd.go new file mode 100644 index 000000000..c6fde4249 --- /dev/null +++ b/vendor/golang.org/x/sys/unix/types_freebsd.go @@ -0,0 +1,406 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build ignore + +/* +Input to cgo -godefs. See README.md +*/ + +// +godefs map struct_in_addr [4]byte /* in_addr */ +// +godefs map struct_in6_addr [16]byte /* in6_addr */ + +package unix + +/* +#define _WANT_FREEBSD11_STAT 1 +#define _WANT_FREEBSD11_STATFS 1 +#define _WANT_FREEBSD11_DIRENT 1 +#define _WANT_FREEBSD11_KEVENT 1 + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +enum { + sizeofPtr = sizeof(void*), +}; + +union sockaddr_all { + struct sockaddr s1; // this one gets used for fields + struct sockaddr_in s2; // these pad it out + struct sockaddr_in6 s3; + struct sockaddr_un s4; + struct sockaddr_dl s5; +}; + +struct sockaddr_any { + struct sockaddr addr; + char pad[sizeof(union sockaddr_all) - sizeof(struct sockaddr)]; +}; + +// This structure is a duplicate of if_data on FreeBSD 8-STABLE. +// See /usr/include/net/if.h. +struct if_data8 { + u_char ifi_type; + u_char ifi_physical; + u_char ifi_addrlen; + u_char ifi_hdrlen; + u_char ifi_link_state; + u_char ifi_spare_char1; + u_char ifi_spare_char2; + u_char ifi_datalen; + u_long ifi_mtu; + u_long ifi_metric; + u_long ifi_baudrate; + u_long ifi_ipackets; + u_long ifi_ierrors; + u_long ifi_opackets; + u_long ifi_oerrors; + u_long ifi_collisions; + u_long ifi_ibytes; + u_long ifi_obytes; + u_long ifi_imcasts; + u_long ifi_omcasts; + u_long ifi_iqdrops; + u_long ifi_noproto; + u_long ifi_hwassist; +// FIXME: these are now unions, so maybe need to change definitions? +#undef ifi_epoch + time_t ifi_epoch; +#undef ifi_lastchange + struct timeval ifi_lastchange; +}; + +// This structure is a duplicate of if_msghdr on FreeBSD 8-STABLE. +// See /usr/include/net/if.h. +struct if_msghdr8 { + u_short ifm_msglen; + u_char ifm_version; + u_char ifm_type; + int ifm_addrs; + int ifm_flags; + u_short ifm_index; + struct if_data8 ifm_data; +}; +*/ +import "C" + +// Machine characteristics + +const ( + SizeofPtr = C.sizeofPtr + SizeofShort = C.sizeof_short + SizeofInt = C.sizeof_int + SizeofLong = C.sizeof_long + SizeofLongLong = C.sizeof_longlong +) + +// Basic types + +type ( + _C_short C.short + _C_int C.int + _C_long C.long + _C_long_long C.longlong +) + +// Time + +type Timespec C.struct_timespec + +type Timeval C.struct_timeval + +// Processes + +type Rusage C.struct_rusage + +type Rlimit C.struct_rlimit + +type _Gid_t C.gid_t + +// Files + +const ( + _statfsVersion = C.STATFS_VERSION + _dirblksiz = C.DIRBLKSIZ +) + +type Stat_t C.struct_stat + +type stat_freebsd11_t C.struct_freebsd11_stat + +type Statfs_t C.struct_statfs + +type statfs_freebsd11_t C.struct_freebsd11_statfs + +type Flock_t C.struct_flock + +type Dirent C.struct_dirent + +type dirent_freebsd11 C.struct_freebsd11_dirent + +type Fsid C.struct_fsid + +// File system limits + +const ( + PathMax = C.PATH_MAX +) + +// Advice to Fadvise + +const ( + FADV_NORMAL = C.POSIX_FADV_NORMAL + FADV_RANDOM = C.POSIX_FADV_RANDOM + FADV_SEQUENTIAL = C.POSIX_FADV_SEQUENTIAL + FADV_WILLNEED = C.POSIX_FADV_WILLNEED + FADV_DONTNEED = C.POSIX_FADV_DONTNEED + FADV_NOREUSE = C.POSIX_FADV_NOREUSE +) + +// Sockets + +type RawSockaddrInet4 C.struct_sockaddr_in + +type RawSockaddrInet6 C.struct_sockaddr_in6 + +type RawSockaddrUnix C.struct_sockaddr_un + +type RawSockaddrDatalink C.struct_sockaddr_dl + +type RawSockaddr C.struct_sockaddr + +type RawSockaddrAny C.struct_sockaddr_any + +type _Socklen C.socklen_t + +type Linger C.struct_linger + +type Iovec C.struct_iovec + +type IPMreq C.struct_ip_mreq + +type IPMreqn C.struct_ip_mreqn + +type IPv6Mreq C.struct_ipv6_mreq + +type Msghdr C.struct_msghdr + +type Cmsghdr C.struct_cmsghdr + +type Inet6Pktinfo C.struct_in6_pktinfo + +type IPv6MTUInfo C.struct_ip6_mtuinfo + +type ICMPv6Filter C.struct_icmp6_filter + +const ( + SizeofSockaddrInet4 = C.sizeof_struct_sockaddr_in + SizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6 + SizeofSockaddrAny = C.sizeof_struct_sockaddr_any + SizeofSockaddrUnix = C.sizeof_struct_sockaddr_un + SizeofSockaddrDatalink = C.sizeof_struct_sockaddr_dl + SizeofLinger = C.sizeof_struct_linger + SizeofIPMreq = C.sizeof_struct_ip_mreq + SizeofIPMreqn = C.sizeof_struct_ip_mreqn + SizeofIPv6Mreq = C.sizeof_struct_ipv6_mreq + SizeofMsghdr = C.sizeof_struct_msghdr + SizeofCmsghdr = C.sizeof_struct_cmsghdr + SizeofInet6Pktinfo = C.sizeof_struct_in6_pktinfo + SizeofIPv6MTUInfo = C.sizeof_struct_ip6_mtuinfo + SizeofICMPv6Filter = C.sizeof_struct_icmp6_filter +) + +// Ptrace requests + +const ( + PTRACE_ATTACH = C.PT_ATTACH + PTRACE_CONT = C.PT_CONTINUE + PTRACE_DETACH = C.PT_DETACH + PTRACE_GETFPREGS = C.PT_GETFPREGS + PTRACE_GETFSBASE = C.PT_GETFSBASE + PTRACE_GETLWPLIST = C.PT_GETLWPLIST + PTRACE_GETNUMLWPS = C.PT_GETNUMLWPS + PTRACE_GETREGS = C.PT_GETREGS + PTRACE_GETXSTATE = C.PT_GETXSTATE + PTRACE_IO = C.PT_IO + PTRACE_KILL = C.PT_KILL + PTRACE_LWPEVENTS = C.PT_LWP_EVENTS + PTRACE_LWPINFO = C.PT_LWPINFO + PTRACE_SETFPREGS = C.PT_SETFPREGS + PTRACE_SETREGS = C.PT_SETREGS + PTRACE_SINGLESTEP = C.PT_STEP + PTRACE_TRACEME = C.PT_TRACE_ME +) + +const ( + PIOD_READ_D = C.PIOD_READ_D + PIOD_WRITE_D = C.PIOD_WRITE_D + PIOD_READ_I = C.PIOD_READ_I + PIOD_WRITE_I = C.PIOD_WRITE_I +) + +const ( + PL_FLAG_BORN = C.PL_FLAG_BORN + PL_FLAG_EXITED = C.PL_FLAG_EXITED + PL_FLAG_SI = C.PL_FLAG_SI +) + +const ( + TRAP_BRKPT = C.TRAP_BRKPT + TRAP_TRACE = C.TRAP_TRACE +) + +type PtraceLwpInfoStruct C.struct_ptrace_lwpinfo + +type __Siginfo C.struct___siginfo + +type Sigset_t C.sigset_t + +type Reg C.struct_reg + +type FpReg C.struct_fpreg + +type PtraceIoDesc C.struct_ptrace_io_desc + +// Events (kqueue, kevent) + +type Kevent_t C.struct_kevent_freebsd11 + +// Select + +type FdSet C.fd_set + +// Routing and interface messages + +const ( + sizeofIfMsghdr = C.sizeof_struct_if_msghdr + SizeofIfMsghdr = C.sizeof_struct_if_msghdr8 + sizeofIfData = C.sizeof_struct_if_data + SizeofIfData = C.sizeof_struct_if_data8 + SizeofIfaMsghdr = C.sizeof_struct_ifa_msghdr + SizeofIfmaMsghdr = C.sizeof_struct_ifma_msghdr + SizeofIfAnnounceMsghdr = C.sizeof_struct_if_announcemsghdr + SizeofRtMsghdr = C.sizeof_struct_rt_msghdr + SizeofRtMetrics = C.sizeof_struct_rt_metrics +) + +type ifMsghdr C.struct_if_msghdr + +type IfMsghdr C.struct_if_msghdr8 + +type ifData C.struct_if_data + +type IfData C.struct_if_data8 + +type IfaMsghdr C.struct_ifa_msghdr + +type IfmaMsghdr C.struct_ifma_msghdr + +type IfAnnounceMsghdr C.struct_if_announcemsghdr + +type RtMsghdr C.struct_rt_msghdr + +type RtMetrics C.struct_rt_metrics + +// Berkeley packet filter + +const ( + SizeofBpfVersion = C.sizeof_struct_bpf_version + SizeofBpfStat = C.sizeof_struct_bpf_stat + SizeofBpfZbuf = C.sizeof_struct_bpf_zbuf + SizeofBpfProgram = C.sizeof_struct_bpf_program + SizeofBpfInsn = C.sizeof_struct_bpf_insn + SizeofBpfHdr = C.sizeof_struct_bpf_hdr + SizeofBpfZbufHeader = C.sizeof_struct_bpf_zbuf_header +) + +type BpfVersion C.struct_bpf_version + +type BpfStat C.struct_bpf_stat + +type BpfZbuf C.struct_bpf_zbuf + +type BpfProgram C.struct_bpf_program + +type BpfInsn C.struct_bpf_insn + +type BpfHdr C.struct_bpf_hdr + +type BpfZbufHeader C.struct_bpf_zbuf_header + +// Terminal handling + +type Termios C.struct_termios + +type Winsize C.struct_winsize + +// fchmodat-like syscalls. + +const ( + AT_FDCWD = C.AT_FDCWD + AT_REMOVEDIR = C.AT_REMOVEDIR + AT_SYMLINK_FOLLOW = C.AT_SYMLINK_FOLLOW + AT_SYMLINK_NOFOLLOW = C.AT_SYMLINK_NOFOLLOW +) + +// poll + +type PollFd C.struct_pollfd + +const ( + POLLERR = C.POLLERR + POLLHUP = C.POLLHUP + POLLIN = C.POLLIN + POLLINIGNEOF = C.POLLINIGNEOF + POLLNVAL = C.POLLNVAL + POLLOUT = C.POLLOUT + POLLPRI = C.POLLPRI + POLLRDBAND = C.POLLRDBAND + POLLRDNORM = C.POLLRDNORM + POLLWRBAND = C.POLLWRBAND + POLLWRNORM = C.POLLWRNORM +) + +// Capabilities + +type CapRights C.struct_cap_rights + +// Uname + +type Utsname C.struct_utsname + +// Clockinfo + +const SizeofClockinfo = C.sizeof_struct_clockinfo + +type Clockinfo C.struct_clockinfo diff --git a/vendor/golang.org/x/sys/unix/types_netbsd.go b/vendor/golang.org/x/sys/unix/types_netbsd.go new file mode 100644 index 000000000..0a81aadb8 --- /dev/null +++ b/vendor/golang.org/x/sys/unix/types_netbsd.go @@ -0,0 +1,300 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build ignore + +/* +Input to cgo -godefs. See README.md +*/ + +// +godefs map struct_in_addr [4]byte /* in_addr */ +// +godefs map struct_in6_addr [16]byte /* in6_addr */ + +package unix + +/* +#define KERNEL +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +enum { + sizeofPtr = sizeof(void*), +}; + +union sockaddr_all { + struct sockaddr s1; // this one gets used for fields + struct sockaddr_in s2; // these pad it out + struct sockaddr_in6 s3; + struct sockaddr_un s4; + struct sockaddr_dl s5; +}; + +struct sockaddr_any { + struct sockaddr addr; + char pad[sizeof(union sockaddr_all) - sizeof(struct sockaddr)]; +}; + +*/ +import "C" + +// Machine characteristics + +const ( + SizeofPtr = C.sizeofPtr + SizeofShort = C.sizeof_short + SizeofInt = C.sizeof_int + SizeofLong = C.sizeof_long + SizeofLongLong = C.sizeof_longlong +) + +// Basic types + +type ( + _C_short C.short + _C_int C.int + _C_long C.long + _C_long_long C.longlong +) + +// Time + +type Timespec C.struct_timespec + +type Timeval C.struct_timeval + +// Processes + +type Rusage C.struct_rusage + +type Rlimit C.struct_rlimit + +type _Gid_t C.gid_t + +// Files + +type Stat_t C.struct_stat + +type Statfs_t C.struct_statfs + +type Statvfs_t C.struct_statvfs + +type Flock_t C.struct_flock + +type Dirent C.struct_dirent + +type Fsid C.fsid_t + +// File system limits + +const ( + PathMax = C.PATH_MAX +) + +// Fstatvfs/Statvfs flags + +const ( + ST_WAIT = C.ST_WAIT + ST_NOWAIT = C.ST_NOWAIT +) + +// Advice to Fadvise + +const ( + FADV_NORMAL = C.POSIX_FADV_NORMAL + FADV_RANDOM = C.POSIX_FADV_RANDOM + FADV_SEQUENTIAL = C.POSIX_FADV_SEQUENTIAL + FADV_WILLNEED = C.POSIX_FADV_WILLNEED + FADV_DONTNEED = C.POSIX_FADV_DONTNEED + FADV_NOREUSE = C.POSIX_FADV_NOREUSE +) + +// Sockets + +type RawSockaddrInet4 C.struct_sockaddr_in + +type RawSockaddrInet6 C.struct_sockaddr_in6 + +type RawSockaddrUnix C.struct_sockaddr_un + +type RawSockaddrDatalink C.struct_sockaddr_dl + +type RawSockaddr C.struct_sockaddr + +type RawSockaddrAny C.struct_sockaddr_any + +type _Socklen C.socklen_t + +type Linger C.struct_linger + +type Iovec C.struct_iovec + +type IPMreq C.struct_ip_mreq + +type IPv6Mreq C.struct_ipv6_mreq + +type Msghdr C.struct_msghdr + +type Cmsghdr C.struct_cmsghdr + +type Inet6Pktinfo C.struct_in6_pktinfo + +type IPv6MTUInfo C.struct_ip6_mtuinfo + +type ICMPv6Filter C.struct_icmp6_filter + +const ( + SizeofSockaddrInet4 = C.sizeof_struct_sockaddr_in + SizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6 + SizeofSockaddrAny = C.sizeof_struct_sockaddr_any + SizeofSockaddrUnix = C.sizeof_struct_sockaddr_un + SizeofSockaddrDatalink = C.sizeof_struct_sockaddr_dl + SizeofLinger = C.sizeof_struct_linger + SizeofIPMreq = C.sizeof_struct_ip_mreq + SizeofIPv6Mreq = C.sizeof_struct_ipv6_mreq + SizeofMsghdr = C.sizeof_struct_msghdr + SizeofCmsghdr = C.sizeof_struct_cmsghdr + SizeofInet6Pktinfo = C.sizeof_struct_in6_pktinfo + SizeofIPv6MTUInfo = C.sizeof_struct_ip6_mtuinfo + SizeofICMPv6Filter = C.sizeof_struct_icmp6_filter +) + +// Ptrace requests + +const ( + PTRACE_TRACEME = C.PT_TRACE_ME + PTRACE_CONT = C.PT_CONTINUE + PTRACE_KILL = C.PT_KILL +) + +// Events (kqueue, kevent) + +type Kevent_t C.struct_kevent + +// Select + +type FdSet C.fd_set + +// Routing and interface messages + +const ( + SizeofIfMsghdr = C.sizeof_struct_if_msghdr + SizeofIfData = C.sizeof_struct_if_data + SizeofIfaMsghdr = C.sizeof_struct_ifa_msghdr + SizeofIfAnnounceMsghdr = C.sizeof_struct_if_announcemsghdr + SizeofRtMsghdr = C.sizeof_struct_rt_msghdr + SizeofRtMetrics = C.sizeof_struct_rt_metrics +) + +type IfMsghdr C.struct_if_msghdr + +type IfData C.struct_if_data + +type IfaMsghdr C.struct_ifa_msghdr + +type IfAnnounceMsghdr C.struct_if_announcemsghdr + +type RtMsghdr C.struct_rt_msghdr + +type RtMetrics C.struct_rt_metrics + +type Mclpool C.struct_mclpool + +// Berkeley packet filter + +const ( + SizeofBpfVersion = C.sizeof_struct_bpf_version + SizeofBpfStat = C.sizeof_struct_bpf_stat + SizeofBpfProgram = C.sizeof_struct_bpf_program + SizeofBpfInsn = C.sizeof_struct_bpf_insn + SizeofBpfHdr = C.sizeof_struct_bpf_hdr +) + +type BpfVersion C.struct_bpf_version + +type BpfStat C.struct_bpf_stat + +type BpfProgram C.struct_bpf_program + +type BpfInsn C.struct_bpf_insn + +type BpfHdr C.struct_bpf_hdr + +type BpfTimeval C.struct_bpf_timeval + +// Terminal handling + +type Termios C.struct_termios + +type Winsize C.struct_winsize + +type Ptmget C.struct_ptmget + +// fchmodat-like syscalls. + +const ( + AT_FDCWD = C.AT_FDCWD + AT_SYMLINK_FOLLOW = C.AT_SYMLINK_FOLLOW + AT_SYMLINK_NOFOLLOW = C.AT_SYMLINK_NOFOLLOW +) + +// poll + +type PollFd C.struct_pollfd + +const ( + POLLERR = C.POLLERR + POLLHUP = C.POLLHUP + POLLIN = C.POLLIN + POLLNVAL = C.POLLNVAL + POLLOUT = C.POLLOUT + POLLPRI = C.POLLPRI + POLLRDBAND = C.POLLRDBAND + POLLRDNORM = C.POLLRDNORM + POLLWRBAND = C.POLLWRBAND + POLLWRNORM = C.POLLWRNORM +) + +// Sysctl + +type Sysctlnode C.struct_sysctlnode + +// Uname + +type Utsname C.struct_utsname + +// Clockinfo + +const SizeofClockinfo = C.sizeof_struct_clockinfo + +type Clockinfo C.struct_clockinfo diff --git a/vendor/golang.org/x/sys/unix/types_openbsd.go b/vendor/golang.org/x/sys/unix/types_openbsd.go new file mode 100644 index 000000000..775cb57dc --- /dev/null +++ b/vendor/golang.org/x/sys/unix/types_openbsd.go @@ -0,0 +1,283 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build ignore + +/* +Input to cgo -godefs. See README.md +*/ + +// +godefs map struct_in_addr [4]byte /* in_addr */ +// +godefs map struct_in6_addr [16]byte /* in6_addr */ + +package unix + +/* +#define KERNEL +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +enum { + sizeofPtr = sizeof(void*), +}; + +union sockaddr_all { + struct sockaddr s1; // this one gets used for fields + struct sockaddr_in s2; // these pad it out + struct sockaddr_in6 s3; + struct sockaddr_un s4; + struct sockaddr_dl s5; +}; + +struct sockaddr_any { + struct sockaddr addr; + char pad[sizeof(union sockaddr_all) - sizeof(struct sockaddr)]; +}; + +*/ +import "C" + +// Machine characteristics + +const ( + SizeofPtr = C.sizeofPtr + SizeofShort = C.sizeof_short + SizeofInt = C.sizeof_int + SizeofLong = C.sizeof_long + SizeofLongLong = C.sizeof_longlong +) + +// Basic types + +type ( + _C_short C.short + _C_int C.int + _C_long C.long + _C_long_long C.longlong +) + +// Time + +type Timespec C.struct_timespec + +type Timeval C.struct_timeval + +// Processes + +type Rusage C.struct_rusage + +type Rlimit C.struct_rlimit + +type _Gid_t C.gid_t + +// Files + +type Stat_t C.struct_stat + +type Statfs_t C.struct_statfs + +type Flock_t C.struct_flock + +type Dirent C.struct_dirent + +type Fsid C.fsid_t + +// File system limits + +const ( + PathMax = C.PATH_MAX +) + +// Sockets + +type RawSockaddrInet4 C.struct_sockaddr_in + +type RawSockaddrInet6 C.struct_sockaddr_in6 + +type RawSockaddrUnix C.struct_sockaddr_un + +type RawSockaddrDatalink C.struct_sockaddr_dl + +type RawSockaddr C.struct_sockaddr + +type RawSockaddrAny C.struct_sockaddr_any + +type _Socklen C.socklen_t + +type Linger C.struct_linger + +type Iovec C.struct_iovec + +type IPMreq C.struct_ip_mreq + +type IPv6Mreq C.struct_ipv6_mreq + +type Msghdr C.struct_msghdr + +type Cmsghdr C.struct_cmsghdr + +type Inet6Pktinfo C.struct_in6_pktinfo + +type IPv6MTUInfo C.struct_ip6_mtuinfo + +type ICMPv6Filter C.struct_icmp6_filter + +const ( + SizeofSockaddrInet4 = C.sizeof_struct_sockaddr_in + SizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6 + SizeofSockaddrAny = C.sizeof_struct_sockaddr_any + SizeofSockaddrUnix = C.sizeof_struct_sockaddr_un + SizeofSockaddrDatalink = C.sizeof_struct_sockaddr_dl + SizeofLinger = C.sizeof_struct_linger + SizeofIPMreq = C.sizeof_struct_ip_mreq + SizeofIPv6Mreq = C.sizeof_struct_ipv6_mreq + SizeofMsghdr = C.sizeof_struct_msghdr + SizeofCmsghdr = C.sizeof_struct_cmsghdr + SizeofInet6Pktinfo = C.sizeof_struct_in6_pktinfo + SizeofIPv6MTUInfo = C.sizeof_struct_ip6_mtuinfo + SizeofICMPv6Filter = C.sizeof_struct_icmp6_filter +) + +// Ptrace requests + +const ( + PTRACE_TRACEME = C.PT_TRACE_ME + PTRACE_CONT = C.PT_CONTINUE + PTRACE_KILL = C.PT_KILL +) + +// Events (kqueue, kevent) + +type Kevent_t C.struct_kevent + +// Select + +type FdSet C.fd_set + +// Routing and interface messages + +const ( + SizeofIfMsghdr = C.sizeof_struct_if_msghdr + SizeofIfData = C.sizeof_struct_if_data + SizeofIfaMsghdr = C.sizeof_struct_ifa_msghdr + SizeofIfAnnounceMsghdr = C.sizeof_struct_if_announcemsghdr + SizeofRtMsghdr = C.sizeof_struct_rt_msghdr + SizeofRtMetrics = C.sizeof_struct_rt_metrics +) + +type IfMsghdr C.struct_if_msghdr + +type IfData C.struct_if_data + +type IfaMsghdr C.struct_ifa_msghdr + +type IfAnnounceMsghdr C.struct_if_announcemsghdr + +type RtMsghdr C.struct_rt_msghdr + +type RtMetrics C.struct_rt_metrics + +type Mclpool C.struct_mclpool + +// Berkeley packet filter + +const ( + SizeofBpfVersion = C.sizeof_struct_bpf_version + SizeofBpfStat = C.sizeof_struct_bpf_stat + SizeofBpfProgram = C.sizeof_struct_bpf_program + SizeofBpfInsn = C.sizeof_struct_bpf_insn + SizeofBpfHdr = C.sizeof_struct_bpf_hdr +) + +type BpfVersion C.struct_bpf_version + +type BpfStat C.struct_bpf_stat + +type BpfProgram C.struct_bpf_program + +type BpfInsn C.struct_bpf_insn + +type BpfHdr C.struct_bpf_hdr + +type BpfTimeval C.struct_bpf_timeval + +// Terminal handling + +type Termios C.struct_termios + +type Winsize C.struct_winsize + +// fchmodat-like syscalls. + +const ( + AT_FDCWD = C.AT_FDCWD + AT_SYMLINK_FOLLOW = C.AT_SYMLINK_FOLLOW + AT_SYMLINK_NOFOLLOW = C.AT_SYMLINK_NOFOLLOW +) + +// poll + +type PollFd C.struct_pollfd + +const ( + POLLERR = C.POLLERR + POLLHUP = C.POLLHUP + POLLIN = C.POLLIN + POLLNVAL = C.POLLNVAL + POLLOUT = C.POLLOUT + POLLPRI = C.POLLPRI + POLLRDBAND = C.POLLRDBAND + POLLRDNORM = C.POLLRDNORM + POLLWRBAND = C.POLLWRBAND + POLLWRNORM = C.POLLWRNORM +) + +// Signal Sets + +type Sigset_t C.sigset_t + +// Uname + +type Utsname C.struct_utsname + +// Uvmexp + +const SizeofUvmexp = C.sizeof_struct_uvmexp + +type Uvmexp C.struct_uvmexp + +// Clockinfo + +const SizeofClockinfo = C.sizeof_struct_clockinfo + +type Clockinfo C.struct_clockinfo diff --git a/vendor/golang.org/x/sys/unix/types_solaris.go b/vendor/golang.org/x/sys/unix/types_solaris.go new file mode 100644 index 000000000..d713f09e0 --- /dev/null +++ b/vendor/golang.org/x/sys/unix/types_solaris.go @@ -0,0 +1,269 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build ignore + +/* +Input to cgo -godefs. See README.md +*/ + +// +godefs map struct_in_addr [4]byte /* in_addr */ +// +godefs map struct_in6_addr [16]byte /* in6_addr */ + +package unix + +/* +#define KERNEL +// These defines ensure that builds done on newer versions of Solaris are +// backwards-compatible with older versions of Solaris and +// OpenSolaris-based derivatives. +#define __USE_SUNOS_SOCKETS__ // msghdr +#define __USE_LEGACY_PROTOTYPES__ // iovec +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +enum { + sizeofPtr = sizeof(void*), +}; + +union sockaddr_all { + struct sockaddr s1; // this one gets used for fields + struct sockaddr_in s2; // these pad it out + struct sockaddr_in6 s3; + struct sockaddr_un s4; + struct sockaddr_dl s5; +}; + +struct sockaddr_any { + struct sockaddr addr; + char pad[sizeof(union sockaddr_all) - sizeof(struct sockaddr)]; +}; + +*/ +import "C" + +// Machine characteristics + +const ( + SizeofPtr = C.sizeofPtr + SizeofShort = C.sizeof_short + SizeofInt = C.sizeof_int + SizeofLong = C.sizeof_long + SizeofLongLong = C.sizeof_longlong + PathMax = C.PATH_MAX + MaxHostNameLen = C.MAXHOSTNAMELEN +) + +// Basic types + +type ( + _C_short C.short + _C_int C.int + _C_long C.long + _C_long_long C.longlong +) + +// Time + +type Timespec C.struct_timespec + +type Timeval C.struct_timeval + +type Timeval32 C.struct_timeval32 + +type Tms C.struct_tms + +type Utimbuf C.struct_utimbuf + +// Processes + +type Rusage C.struct_rusage + +type Rlimit C.struct_rlimit + +type _Gid_t C.gid_t + +// Files + +type Stat_t C.struct_stat + +type Flock_t C.struct_flock + +type Dirent C.struct_dirent + +// Filesystems + +type _Fsblkcnt_t C.fsblkcnt_t + +type Statvfs_t C.struct_statvfs + +// Sockets + +type RawSockaddrInet4 C.struct_sockaddr_in + +type RawSockaddrInet6 C.struct_sockaddr_in6 + +type RawSockaddrUnix C.struct_sockaddr_un + +type RawSockaddrDatalink C.struct_sockaddr_dl + +type RawSockaddr C.struct_sockaddr + +type RawSockaddrAny C.struct_sockaddr_any + +type _Socklen C.socklen_t + +type Linger C.struct_linger + +type Iovec C.struct_iovec + +type IPMreq C.struct_ip_mreq + +type IPv6Mreq C.struct_ipv6_mreq + +type Msghdr C.struct_msghdr + +type Cmsghdr C.struct_cmsghdr + +type Inet4Pktinfo C.struct_in_pktinfo + +type Inet6Pktinfo C.struct_in6_pktinfo + +type IPv6MTUInfo C.struct_ip6_mtuinfo + +type ICMPv6Filter C.struct_icmp6_filter + +const ( + SizeofSockaddrInet4 = C.sizeof_struct_sockaddr_in + SizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6 + SizeofSockaddrAny = C.sizeof_struct_sockaddr_any + SizeofSockaddrUnix = C.sizeof_struct_sockaddr_un + SizeofSockaddrDatalink = C.sizeof_struct_sockaddr_dl + SizeofLinger = C.sizeof_struct_linger + SizeofIPMreq = C.sizeof_struct_ip_mreq + SizeofIPv6Mreq = C.sizeof_struct_ipv6_mreq + SizeofMsghdr = C.sizeof_struct_msghdr + SizeofCmsghdr = C.sizeof_struct_cmsghdr + SizeofInet4Pktinfo = C.sizeof_struct_in_pktinfo + SizeofInet6Pktinfo = C.sizeof_struct_in6_pktinfo + SizeofIPv6MTUInfo = C.sizeof_struct_ip6_mtuinfo + SizeofICMPv6Filter = C.sizeof_struct_icmp6_filter +) + +// Select + +type FdSet C.fd_set + +// Misc + +type Utsname C.struct_utsname + +type Ustat_t C.struct_ustat + +const ( + AT_FDCWD = C.AT_FDCWD + AT_SYMLINK_NOFOLLOW = C.AT_SYMLINK_NOFOLLOW + AT_SYMLINK_FOLLOW = C.AT_SYMLINK_FOLLOW + AT_REMOVEDIR = C.AT_REMOVEDIR + AT_EACCESS = C.AT_EACCESS +) + +// Routing and interface messages + +const ( + SizeofIfMsghdr = C.sizeof_struct_if_msghdr + SizeofIfData = C.sizeof_struct_if_data + SizeofIfaMsghdr = C.sizeof_struct_ifa_msghdr + SizeofRtMsghdr = C.sizeof_struct_rt_msghdr + SizeofRtMetrics = C.sizeof_struct_rt_metrics +) + +type IfMsghdr C.struct_if_msghdr + +type IfData C.struct_if_data + +type IfaMsghdr C.struct_ifa_msghdr + +type RtMsghdr C.struct_rt_msghdr + +type RtMetrics C.struct_rt_metrics + +// Berkeley packet filter + +const ( + SizeofBpfVersion = C.sizeof_struct_bpf_version + SizeofBpfStat = C.sizeof_struct_bpf_stat + SizeofBpfProgram = C.sizeof_struct_bpf_program + SizeofBpfInsn = C.sizeof_struct_bpf_insn + SizeofBpfHdr = C.sizeof_struct_bpf_hdr +) + +type BpfVersion C.struct_bpf_version + +type BpfStat C.struct_bpf_stat + +type BpfProgram C.struct_bpf_program + +type BpfInsn C.struct_bpf_insn + +type BpfTimeval C.struct_bpf_timeval + +type BpfHdr C.struct_bpf_hdr + +// Terminal handling + +type Termios C.struct_termios + +type Termio C.struct_termio + +type Winsize C.struct_winsize + +// poll + +type PollFd C.struct_pollfd + +const ( + POLLERR = C.POLLERR + POLLHUP = C.POLLHUP + POLLIN = C.POLLIN + POLLNVAL = C.POLLNVAL + POLLOUT = C.POLLOUT + POLLPRI = C.POLLPRI + POLLRDBAND = C.POLLRDBAND + POLLRDNORM = C.POLLRDNORM + POLLWRBAND = C.POLLWRBAND + POLLWRNORM = C.POLLWRNORM +) diff --git a/vendor/golang.org/x/text/unicode/bidi/gen.go b/vendor/golang.org/x/text/unicode/bidi/gen.go new file mode 100644 index 000000000..987fc169c --- /dev/null +++ b/vendor/golang.org/x/text/unicode/bidi/gen.go @@ -0,0 +1,133 @@ +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build ignore + +package main + +import ( + "flag" + "log" + + "golang.org/x/text/internal/gen" + "golang.org/x/text/internal/triegen" + "golang.org/x/text/internal/ucd" +) + +var outputFile = flag.String("out", "tables.go", "output file") + +func main() { + gen.Init() + gen.Repackage("gen_trieval.go", "trieval.go", "bidi") + gen.Repackage("gen_ranges.go", "ranges_test.go", "bidi") + + genTables() +} + +// bidiClass names and codes taken from class "bc" in +// https://www.unicode.org/Public/8.0.0/ucd/PropertyValueAliases.txt +var bidiClass = map[string]Class{ + "AL": AL, // ArabicLetter + "AN": AN, // ArabicNumber + "B": B, // ParagraphSeparator + "BN": BN, // BoundaryNeutral + "CS": CS, // CommonSeparator + "EN": EN, // EuropeanNumber + "ES": ES, // EuropeanSeparator + "ET": ET, // EuropeanTerminator + "L": L, // LeftToRight + "NSM": NSM, // NonspacingMark + "ON": ON, // OtherNeutral + "R": R, // RightToLeft + "S": S, // SegmentSeparator + "WS": WS, // WhiteSpace + + "FSI": Control, + "PDF": Control, + "PDI": Control, + "LRE": Control, + "LRI": Control, + "LRO": Control, + "RLE": Control, + "RLI": Control, + "RLO": Control, +} + +func genTables() { + if numClass > 0x0F { + log.Fatalf("Too many Class constants (%#x > 0x0F).", numClass) + } + w := gen.NewCodeWriter() + defer w.WriteVersionedGoFile(*outputFile, "bidi") + + gen.WriteUnicodeVersion(w) + + t := triegen.NewTrie("bidi") + + // Build data about bracket mapping. These bits need to be or-ed with + // any other bits. + orMask := map[rune]uint64{} + + xorMap := map[rune]int{} + xorMasks := []rune{0} // First value is no-op. + + ucd.Parse(gen.OpenUCDFile("BidiBrackets.txt"), func(p *ucd.Parser) { + r1 := p.Rune(0) + r2 := p.Rune(1) + xor := r1 ^ r2 + if _, ok := xorMap[xor]; !ok { + xorMap[xor] = len(xorMasks) + xorMasks = append(xorMasks, xor) + } + entry := uint64(xorMap[xor]) << xorMaskShift + switch p.String(2) { + case "o": + entry |= openMask + case "c", "n": + default: + log.Fatalf("Unknown bracket class %q.", p.String(2)) + } + orMask[r1] = entry + }) + + w.WriteComment(` + xorMasks contains masks to be xor-ed with brackets to get the reverse + version.`) + w.WriteVar("xorMasks", xorMasks) + + done := map[rune]bool{} + + insert := func(r rune, c Class) { + if !done[r] { + t.Insert(r, orMask[r]|uint64(c)) + done[r] = true + } + } + + // Insert the derived BiDi properties. + ucd.Parse(gen.OpenUCDFile("extracted/DerivedBidiClass.txt"), func(p *ucd.Parser) { + r := p.Rune(0) + class, ok := bidiClass[p.String(1)] + if !ok { + log.Fatalf("%U: Unknown BiDi class %q", r, p.String(1)) + } + insert(r, class) + }) + visitDefaults(insert) + + // TODO: use sparse blocks. This would reduce table size considerably + // from the looks of it. + + sz, err := t.Gen(w) + if err != nil { + log.Fatal(err) + } + w.Size += sz +} + +// dummy values to make methods in gen_common compile. The real versions +// will be generated by this file to tables.go. +var ( + xorMasks []rune +) diff --git a/vendor/golang.org/x/text/unicode/bidi/gen_ranges.go b/vendor/golang.org/x/text/unicode/bidi/gen_ranges.go new file mode 100644 index 000000000..02c3b505d --- /dev/null +++ b/vendor/golang.org/x/text/unicode/bidi/gen_ranges.go @@ -0,0 +1,57 @@ +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build ignore + +package main + +import ( + "unicode" + + "golang.org/x/text/internal/gen" + "golang.org/x/text/internal/ucd" + "golang.org/x/text/unicode/rangetable" +) + +// These tables are hand-extracted from: +// https://www.unicode.org/Public/8.0.0/ucd/extracted/DerivedBidiClass.txt +func visitDefaults(fn func(r rune, c Class)) { + // first write default values for ranges listed above. + visitRunes(fn, AL, []rune{ + 0x0600, 0x07BF, // Arabic + 0x08A0, 0x08FF, // Arabic Extended-A + 0xFB50, 0xFDCF, // Arabic Presentation Forms + 0xFDF0, 0xFDFF, + 0xFE70, 0xFEFF, + 0x0001EE00, 0x0001EEFF, // Arabic Mathematical Alpha Symbols + }) + visitRunes(fn, R, []rune{ + 0x0590, 0x05FF, // Hebrew + 0x07C0, 0x089F, // Nko et al. + 0xFB1D, 0xFB4F, + 0x00010800, 0x00010FFF, // Cypriot Syllabary et. al. + 0x0001E800, 0x0001EDFF, + 0x0001EF00, 0x0001EFFF, + }) + visitRunes(fn, ET, []rune{ // European Terminator + 0x20A0, 0x20Cf, // Currency symbols + }) + rangetable.Visit(unicode.Noncharacter_Code_Point, func(r rune) { + fn(r, BN) // Boundary Neutral + }) + ucd.Parse(gen.OpenUCDFile("DerivedCoreProperties.txt"), func(p *ucd.Parser) { + if p.String(1) == "Default_Ignorable_Code_Point" { + fn(p.Rune(0), BN) // Boundary Neutral + } + }) +} + +func visitRunes(fn func(r rune, c Class), c Class, runes []rune) { + for i := 0; i < len(runes); i += 2 { + lo, hi := runes[i], runes[i+1] + for j := lo; j <= hi; j++ { + fn(j, c) + } + } +} diff --git a/vendor/golang.org/x/text/unicode/bidi/gen_trieval.go b/vendor/golang.org/x/text/unicode/bidi/gen_trieval.go new file mode 100644 index 000000000..9cb994289 --- /dev/null +++ b/vendor/golang.org/x/text/unicode/bidi/gen_trieval.go @@ -0,0 +1,64 @@ +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build ignore + +package main + +// Class is the Unicode BiDi class. Each rune has a single class. +type Class uint + +const ( + L Class = iota // LeftToRight + R // RightToLeft + EN // EuropeanNumber + ES // EuropeanSeparator + ET // EuropeanTerminator + AN // ArabicNumber + CS // CommonSeparator + B // ParagraphSeparator + S // SegmentSeparator + WS // WhiteSpace + ON // OtherNeutral + BN // BoundaryNeutral + NSM // NonspacingMark + AL // ArabicLetter + Control // Control LRO - PDI + + numClass + + LRO // LeftToRightOverride + RLO // RightToLeftOverride + LRE // LeftToRightEmbedding + RLE // RightToLeftEmbedding + PDF // PopDirectionalFormat + LRI // LeftToRightIsolate + RLI // RightToLeftIsolate + FSI // FirstStrongIsolate + PDI // PopDirectionalIsolate + + unknownClass = ^Class(0) +) + +var controlToClass = map[rune]Class{ + 0x202D: LRO, // LeftToRightOverride, + 0x202E: RLO, // RightToLeftOverride, + 0x202A: LRE, // LeftToRightEmbedding, + 0x202B: RLE, // RightToLeftEmbedding, + 0x202C: PDF, // PopDirectionalFormat, + 0x2066: LRI, // LeftToRightIsolate, + 0x2067: RLI, // RightToLeftIsolate, + 0x2068: FSI, // FirstStrongIsolate, + 0x2069: PDI, // PopDirectionalIsolate, +} + +// A trie entry has the following bits: +// 7..5 XOR mask for brackets +// 4 1: Bracket open, 0: Bracket close +// 3..0 Class type + +const ( + openMask = 0x10 + xorMaskShift = 5 +) diff --git a/vendor/golang.org/x/text/unicode/norm/maketables.go b/vendor/golang.org/x/text/unicode/norm/maketables.go new file mode 100644 index 000000000..30a3aa933 --- /dev/null +++ b/vendor/golang.org/x/text/unicode/norm/maketables.go @@ -0,0 +1,986 @@ +// Copyright 2011 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build ignore + +// Normalization table generator. +// Data read from the web. +// See forminfo.go for a description of the trie values associated with each rune. + +package main + +import ( + "bytes" + "encoding/binary" + "flag" + "fmt" + "io" + "log" + "sort" + "strconv" + "strings" + + "golang.org/x/text/internal/gen" + "golang.org/x/text/internal/triegen" + "golang.org/x/text/internal/ucd" +) + +func main() { + gen.Init() + loadUnicodeData() + compactCCC() + loadCompositionExclusions() + completeCharFields(FCanonical) + completeCharFields(FCompatibility) + computeNonStarterCounts() + verifyComputed() + printChars() + testDerived() + printTestdata() + makeTables() +} + +var ( + tablelist = flag.String("tables", + "all", + "comma-separated list of which tables to generate; "+ + "can be 'decomp', 'recomp', 'info' and 'all'") + test = flag.Bool("test", + false, + "test existing tables against DerivedNormalizationProps and generate test data for regression testing") + verbose = flag.Bool("verbose", + false, + "write data to stdout as it is parsed") +) + +const MaxChar = 0x10FFFF // anything above this shouldn't exist + +// Quick Check properties of runes allow us to quickly +// determine whether a rune may occur in a normal form. +// For a given normal form, a rune may be guaranteed to occur +// verbatim (QC=Yes), may or may not combine with another +// rune (QC=Maybe), or may not occur (QC=No). +type QCResult int + +const ( + QCUnknown QCResult = iota + QCYes + QCNo + QCMaybe +) + +func (r QCResult) String() string { + switch r { + case QCYes: + return "Yes" + case QCNo: + return "No" + case QCMaybe: + return "Maybe" + } + return "***UNKNOWN***" +} + +const ( + FCanonical = iota // NFC or NFD + FCompatibility // NFKC or NFKD + FNumberOfFormTypes +) + +const ( + MComposed = iota // NFC or NFKC + MDecomposed // NFD or NFKD + MNumberOfModes +) + +// This contains only the properties we're interested in. +type Char struct { + name string + codePoint rune // if zero, this index is not a valid code point. + ccc uint8 // canonical combining class + origCCC uint8 + excludeInComp bool // from CompositionExclusions.txt + compatDecomp bool // it has a compatibility expansion + + nTrailingNonStarters uint8 + nLeadingNonStarters uint8 // must be equal to trailing if non-zero + + forms [FNumberOfFormTypes]FormInfo // For FCanonical and FCompatibility + + state State +} + +var chars = make([]Char, MaxChar+1) +var cccMap = make(map[uint8]uint8) + +func (c Char) String() string { + buf := new(bytes.Buffer) + + fmt.Fprintf(buf, "%U [%s]:\n", c.codePoint, c.name) + fmt.Fprintf(buf, " ccc: %v\n", c.ccc) + fmt.Fprintf(buf, " excludeInComp: %v\n", c.excludeInComp) + fmt.Fprintf(buf, " compatDecomp: %v\n", c.compatDecomp) + fmt.Fprintf(buf, " state: %v\n", c.state) + fmt.Fprintf(buf, " NFC:\n") + fmt.Fprint(buf, c.forms[FCanonical]) + fmt.Fprintf(buf, " NFKC:\n") + fmt.Fprint(buf, c.forms[FCompatibility]) + + return buf.String() +} + +// In UnicodeData.txt, some ranges are marked like this: +// 3400;;Lo;0;L;;;;;N;;;;; +// 4DB5;;Lo;0;L;;;;;N;;;;; +// parseCharacter keeps a state variable indicating the weirdness. +type State int + +const ( + SNormal State = iota // known to be zero for the type + SFirst + SLast + SMissing +) + +var lastChar = rune('\u0000') + +func (c Char) isValid() bool { + return c.codePoint != 0 && c.state != SMissing +} + +type FormInfo struct { + quickCheck [MNumberOfModes]QCResult // index: MComposed or MDecomposed + verified [MNumberOfModes]bool // index: MComposed or MDecomposed + + combinesForward bool // May combine with rune on the right + combinesBackward bool // May combine with rune on the left + isOneWay bool // Never appears in result + inDecomp bool // Some decompositions result in this char. + decomp Decomposition + expandedDecomp Decomposition +} + +func (f FormInfo) String() string { + buf := bytes.NewBuffer(make([]byte, 0)) + + fmt.Fprintf(buf, " quickCheck[C]: %v\n", f.quickCheck[MComposed]) + fmt.Fprintf(buf, " quickCheck[D]: %v\n", f.quickCheck[MDecomposed]) + fmt.Fprintf(buf, " cmbForward: %v\n", f.combinesForward) + fmt.Fprintf(buf, " cmbBackward: %v\n", f.combinesBackward) + fmt.Fprintf(buf, " isOneWay: %v\n", f.isOneWay) + fmt.Fprintf(buf, " inDecomp: %v\n", f.inDecomp) + fmt.Fprintf(buf, " decomposition: %X\n", f.decomp) + fmt.Fprintf(buf, " expandedDecomp: %X\n", f.expandedDecomp) + + return buf.String() +} + +type Decomposition []rune + +func parseDecomposition(s string, skipfirst bool) (a []rune, err error) { + decomp := strings.Split(s, " ") + if len(decomp) > 0 && skipfirst { + decomp = decomp[1:] + } + for _, d := range decomp { + point, err := strconv.ParseUint(d, 16, 64) + if err != nil { + return a, err + } + a = append(a, rune(point)) + } + return a, nil +} + +func loadUnicodeData() { + f := gen.OpenUCDFile("UnicodeData.txt") + defer f.Close() + p := ucd.New(f) + for p.Next() { + r := p.Rune(ucd.CodePoint) + char := &chars[r] + + char.ccc = uint8(p.Uint(ucd.CanonicalCombiningClass)) + decmap := p.String(ucd.DecompMapping) + + exp, err := parseDecomposition(decmap, false) + isCompat := false + if err != nil { + if len(decmap) > 0 { + exp, err = parseDecomposition(decmap, true) + if err != nil { + log.Fatalf(`%U: bad decomp |%v|: "%s"`, r, decmap, err) + } + isCompat = true + } + } + + char.name = p.String(ucd.Name) + char.codePoint = r + char.forms[FCompatibility].decomp = exp + if !isCompat { + char.forms[FCanonical].decomp = exp + } else { + char.compatDecomp = true + } + if len(decmap) > 0 { + char.forms[FCompatibility].decomp = exp + } + } + if err := p.Err(); err != nil { + log.Fatal(err) + } +} + +// compactCCC converts the sparse set of CCC values to a continguous one, +// reducing the number of bits needed from 8 to 6. +func compactCCC() { + m := make(map[uint8]uint8) + for i := range chars { + c := &chars[i] + m[c.ccc] = 0 + } + cccs := []int{} + for v, _ := range m { + cccs = append(cccs, int(v)) + } + sort.Ints(cccs) + for i, c := range cccs { + cccMap[uint8(i)] = uint8(c) + m[uint8(c)] = uint8(i) + } + for i := range chars { + c := &chars[i] + c.origCCC = c.ccc + c.ccc = m[c.ccc] + } + if len(m) >= 1<<6 { + log.Fatalf("too many difference CCC values: %d >= 64", len(m)) + } +} + +// CompositionExclusions.txt has form: +// 0958 # ... +// See https://unicode.org/reports/tr44/ for full explanation +func loadCompositionExclusions() { + f := gen.OpenUCDFile("CompositionExclusions.txt") + defer f.Close() + p := ucd.New(f) + for p.Next() { + c := &chars[p.Rune(0)] + if c.excludeInComp { + log.Fatalf("%U: Duplicate entry in exclusions.", c.codePoint) + } + c.excludeInComp = true + } + if e := p.Err(); e != nil { + log.Fatal(e) + } +} + +// hasCompatDecomp returns true if any of the recursive +// decompositions contains a compatibility expansion. +// In this case, the character may not occur in NFK*. +func hasCompatDecomp(r rune) bool { + c := &chars[r] + if c.compatDecomp { + return true + } + for _, d := range c.forms[FCompatibility].decomp { + if hasCompatDecomp(d) { + return true + } + } + return false +} + +// Hangul related constants. +const ( + HangulBase = 0xAC00 + HangulEnd = 0xD7A4 // hangulBase + Jamo combinations (19 * 21 * 28) + + JamoLBase = 0x1100 + JamoLEnd = 0x1113 + JamoVBase = 0x1161 + JamoVEnd = 0x1176 + JamoTBase = 0x11A8 + JamoTEnd = 0x11C3 + + JamoLVTCount = 19 * 21 * 28 + JamoTCount = 28 +) + +func isHangul(r rune) bool { + return HangulBase <= r && r < HangulEnd +} + +func isHangulWithoutJamoT(r rune) bool { + if !isHangul(r) { + return false + } + r -= HangulBase + return r < JamoLVTCount && r%JamoTCount == 0 +} + +func ccc(r rune) uint8 { + return chars[r].ccc +} + +// Insert a rune in a buffer, ordered by Canonical Combining Class. +func insertOrdered(b Decomposition, r rune) Decomposition { + n := len(b) + b = append(b, 0) + cc := ccc(r) + if cc > 0 { + // Use bubble sort. + for ; n > 0; n-- { + if ccc(b[n-1]) <= cc { + break + } + b[n] = b[n-1] + } + } + b[n] = r + return b +} + +// Recursively decompose. +func decomposeRecursive(form int, r rune, d Decomposition) Decomposition { + dcomp := chars[r].forms[form].decomp + if len(dcomp) == 0 { + return insertOrdered(d, r) + } + for _, c := range dcomp { + d = decomposeRecursive(form, c, d) + } + return d +} + +func completeCharFields(form int) { + // Phase 0: pre-expand decomposition. + for i := range chars { + f := &chars[i].forms[form] + if len(f.decomp) == 0 { + continue + } + exp := make(Decomposition, 0) + for _, c := range f.decomp { + exp = decomposeRecursive(form, c, exp) + } + f.expandedDecomp = exp + } + + // Phase 1: composition exclusion, mark decomposition. + for i := range chars { + c := &chars[i] + f := &c.forms[form] + + // Marks script-specific exclusions and version restricted. + f.isOneWay = c.excludeInComp + + // Singletons + f.isOneWay = f.isOneWay || len(f.decomp) == 1 + + // Non-starter decompositions + if len(f.decomp) > 1 { + chk := c.ccc != 0 || chars[f.decomp[0]].ccc != 0 + f.isOneWay = f.isOneWay || chk + } + + // Runes that decompose into more than two runes. + f.isOneWay = f.isOneWay || len(f.decomp) > 2 + + if form == FCompatibility { + f.isOneWay = f.isOneWay || hasCompatDecomp(c.codePoint) + } + + for _, r := range f.decomp { + chars[r].forms[form].inDecomp = true + } + } + + // Phase 2: forward and backward combining. + for i := range chars { + c := &chars[i] + f := &c.forms[form] + + if !f.isOneWay && len(f.decomp) == 2 { + f0 := &chars[f.decomp[0]].forms[form] + f1 := &chars[f.decomp[1]].forms[form] + if !f0.isOneWay { + f0.combinesForward = true + } + if !f1.isOneWay { + f1.combinesBackward = true + } + } + if isHangulWithoutJamoT(rune(i)) { + f.combinesForward = true + } + } + + // Phase 3: quick check values. + for i := range chars { + c := &chars[i] + f := &c.forms[form] + + switch { + case len(f.decomp) > 0: + f.quickCheck[MDecomposed] = QCNo + case isHangul(rune(i)): + f.quickCheck[MDecomposed] = QCNo + default: + f.quickCheck[MDecomposed] = QCYes + } + switch { + case f.isOneWay: + f.quickCheck[MComposed] = QCNo + case (i & 0xffff00) == JamoLBase: + f.quickCheck[MComposed] = QCYes + if JamoLBase <= i && i < JamoLEnd { + f.combinesForward = true + } + if JamoVBase <= i && i < JamoVEnd { + f.quickCheck[MComposed] = QCMaybe + f.combinesBackward = true + f.combinesForward = true + } + if JamoTBase <= i && i < JamoTEnd { + f.quickCheck[MComposed] = QCMaybe + f.combinesBackward = true + } + case !f.combinesBackward: + f.quickCheck[MComposed] = QCYes + default: + f.quickCheck[MComposed] = QCMaybe + } + } +} + +func computeNonStarterCounts() { + // Phase 4: leading and trailing non-starter count + for i := range chars { + c := &chars[i] + + runes := []rune{rune(i)} + // We always use FCompatibility so that the CGJ insertion points do not + // change for repeated normalizations with different forms. + if exp := c.forms[FCompatibility].expandedDecomp; len(exp) > 0 { + runes = exp + } + // We consider runes that combine backwards to be non-starters for the + // purpose of Stream-Safe Text Processing. + for _, r := range runes { + if cr := &chars[r]; cr.ccc == 0 && !cr.forms[FCompatibility].combinesBackward { + break + } + c.nLeadingNonStarters++ + } + for i := len(runes) - 1; i >= 0; i-- { + if cr := &chars[runes[i]]; cr.ccc == 0 && !cr.forms[FCompatibility].combinesBackward { + break + } + c.nTrailingNonStarters++ + } + if c.nTrailingNonStarters > 3 { + log.Fatalf("%U: Decomposition with more than 3 (%d) trailing modifiers (%U)", i, c.nTrailingNonStarters, runes) + } + + if isHangul(rune(i)) { + c.nTrailingNonStarters = 2 + if isHangulWithoutJamoT(rune(i)) { + c.nTrailingNonStarters = 1 + } + } + + if l, t := c.nLeadingNonStarters, c.nTrailingNonStarters; l > 0 && l != t { + log.Fatalf("%U: number of leading and trailing non-starters should be equal (%d vs %d)", i, l, t) + } + if t := c.nTrailingNonStarters; t > 3 { + log.Fatalf("%U: number of trailing non-starters is %d > 3", t) + } + } +} + +func printBytes(w io.Writer, b []byte, name string) { + fmt.Fprintf(w, "// %s: %d bytes\n", name, len(b)) + fmt.Fprintf(w, "var %s = [...]byte {", name) + for i, c := range b { + switch { + case i%64 == 0: + fmt.Fprintf(w, "\n// Bytes %x - %x\n", i, i+63) + case i%8 == 0: + fmt.Fprintf(w, "\n") + } + fmt.Fprintf(w, "0x%.2X, ", c) + } + fmt.Fprint(w, "\n}\n\n") +} + +// See forminfo.go for format. +func makeEntry(f *FormInfo, c *Char) uint16 { + e := uint16(0) + if r := c.codePoint; HangulBase <= r && r < HangulEnd { + e |= 0x40 + } + if f.combinesForward { + e |= 0x20 + } + if f.quickCheck[MDecomposed] == QCNo { + e |= 0x4 + } + switch f.quickCheck[MComposed] { + case QCYes: + case QCNo: + e |= 0x10 + case QCMaybe: + e |= 0x18 + default: + log.Fatalf("Illegal quickcheck value %v.", f.quickCheck[MComposed]) + } + e |= uint16(c.nTrailingNonStarters) + return e +} + +// decompSet keeps track of unique decompositions, grouped by whether +// the decomposition is followed by a trailing and/or leading CCC. +type decompSet [7]map[string]bool + +const ( + normalDecomp = iota + firstMulti + firstCCC + endMulti + firstLeadingCCC + firstCCCZeroExcept + firstStarterWithNLead + lastDecomp +) + +var cname = []string{"firstMulti", "firstCCC", "endMulti", "firstLeadingCCC", "firstCCCZeroExcept", "firstStarterWithNLead", "lastDecomp"} + +func makeDecompSet() decompSet { + m := decompSet{} + for i := range m { + m[i] = make(map[string]bool) + } + return m +} +func (m *decompSet) insert(key int, s string) { + m[key][s] = true +} + +func printCharInfoTables(w io.Writer) int { + mkstr := func(r rune, f *FormInfo) (int, string) { + d := f.expandedDecomp + s := string([]rune(d)) + if max := 1 << 6; len(s) >= max { + const msg = "%U: too many bytes in decomposition: %d >= %d" + log.Fatalf(msg, r, len(s), max) + } + head := uint8(len(s)) + if f.quickCheck[MComposed] != QCYes { + head |= 0x40 + } + if f.combinesForward { + head |= 0x80 + } + s = string([]byte{head}) + s + + lccc := ccc(d[0]) + tccc := ccc(d[len(d)-1]) + cc := ccc(r) + if cc != 0 && lccc == 0 && tccc == 0 { + log.Fatalf("%U: trailing and leading ccc are 0 for non-zero ccc %d", r, cc) + } + if tccc < lccc && lccc != 0 { + const msg = "%U: lccc (%d) must be <= tcc (%d)" + log.Fatalf(msg, r, lccc, tccc) + } + index := normalDecomp + nTrail := chars[r].nTrailingNonStarters + nLead := chars[r].nLeadingNonStarters + if tccc > 0 || lccc > 0 || nTrail > 0 { + tccc <<= 2 + tccc |= nTrail + s += string([]byte{tccc}) + index = endMulti + for _, r := range d[1:] { + if ccc(r) == 0 { + index = firstCCC + } + } + if lccc > 0 || nLead > 0 { + s += string([]byte{lccc}) + if index == firstCCC { + log.Fatalf("%U: multi-segment decomposition not supported for decompositions with leading CCC != 0", r) + } + index = firstLeadingCCC + } + if cc != lccc { + if cc != 0 { + log.Fatalf("%U: for lccc != ccc, expected ccc to be 0; was %d", r, cc) + } + index = firstCCCZeroExcept + } + } else if len(d) > 1 { + index = firstMulti + } + return index, s + } + + decompSet := makeDecompSet() + const nLeadStr = "\x00\x01" // 0-byte length and tccc with nTrail. + decompSet.insert(firstStarterWithNLead, nLeadStr) + + // Store the uniqued decompositions in a byte buffer, + // preceded by their byte length. + for _, c := range chars { + for _, f := range c.forms { + if len(f.expandedDecomp) == 0 { + continue + } + if f.combinesBackward { + log.Fatalf("%U: combinesBackward and decompose", c.codePoint) + } + index, s := mkstr(c.codePoint, &f) + decompSet.insert(index, s) + } + } + + decompositions := bytes.NewBuffer(make([]byte, 0, 10000)) + size := 0 + positionMap := make(map[string]uint16) + decompositions.WriteString("\000") + fmt.Fprintln(w, "const (") + for i, m := range decompSet { + sa := []string{} + for s := range m { + sa = append(sa, s) + } + sort.Strings(sa) + for _, s := range sa { + p := decompositions.Len() + decompositions.WriteString(s) + positionMap[s] = uint16(p) + } + if cname[i] != "" { + fmt.Fprintf(w, "%s = 0x%X\n", cname[i], decompositions.Len()) + } + } + fmt.Fprintln(w, "maxDecomp = 0x8000") + fmt.Fprintln(w, ")") + b := decompositions.Bytes() + printBytes(w, b, "decomps") + size += len(b) + + varnames := []string{"nfc", "nfkc"} + for i := 0; i < FNumberOfFormTypes; i++ { + trie := triegen.NewTrie(varnames[i]) + + for r, c := range chars { + f := c.forms[i] + d := f.expandedDecomp + if len(d) != 0 { + _, key := mkstr(c.codePoint, &f) + trie.Insert(rune(r), uint64(positionMap[key])) + if c.ccc != ccc(d[0]) { + // We assume the lead ccc of a decomposition !=0 in this case. + if ccc(d[0]) == 0 { + log.Fatalf("Expected leading CCC to be non-zero; ccc is %d", c.ccc) + } + } + } else if c.nLeadingNonStarters > 0 && len(f.expandedDecomp) == 0 && c.ccc == 0 && !f.combinesBackward { + // Handle cases where it can't be detected that the nLead should be equal + // to nTrail. + trie.Insert(c.codePoint, uint64(positionMap[nLeadStr])) + } else if v := makeEntry(&f, &c)<<8 | uint16(c.ccc); v != 0 { + trie.Insert(c.codePoint, uint64(0x8000|v)) + } + } + sz, err := trie.Gen(w, triegen.Compact(&normCompacter{name: varnames[i]})) + if err != nil { + log.Fatal(err) + } + size += sz + } + return size +} + +func contains(sa []string, s string) bool { + for _, a := range sa { + if a == s { + return true + } + } + return false +} + +func makeTables() { + w := &bytes.Buffer{} + + size := 0 + if *tablelist == "" { + return + } + list := strings.Split(*tablelist, ",") + if *tablelist == "all" { + list = []string{"recomp", "info"} + } + + // Compute maximum decomposition size. + max := 0 + for _, c := range chars { + if n := len(string(c.forms[FCompatibility].expandedDecomp)); n > max { + max = n + } + } + fmt.Fprintln(w, `import "sync"`) + fmt.Fprintln(w) + + fmt.Fprintln(w, "const (") + fmt.Fprintln(w, "\t// Version is the Unicode edition from which the tables are derived.") + fmt.Fprintf(w, "\tVersion = %q\n", gen.UnicodeVersion()) + fmt.Fprintln(w) + fmt.Fprintln(w, "\t// MaxTransformChunkSize indicates the maximum number of bytes that Transform") + fmt.Fprintln(w, "\t// may need to write atomically for any Form. Making a destination buffer at") + fmt.Fprintln(w, "\t// least this size ensures that Transform can always make progress and that") + fmt.Fprintln(w, "\t// the user does not need to grow the buffer on an ErrShortDst.") + fmt.Fprintf(w, "\tMaxTransformChunkSize = %d+maxNonStarters*4\n", len(string(0x034F))+max) + fmt.Fprintln(w, ")\n") + + // Print the CCC remap table. + size += len(cccMap) + fmt.Fprintf(w, "var ccc = [%d]uint8{", len(cccMap)) + for i := 0; i < len(cccMap); i++ { + if i%8 == 0 { + fmt.Fprintln(w) + } + fmt.Fprintf(w, "%3d, ", cccMap[uint8(i)]) + } + fmt.Fprintln(w, "\n}\n") + + if contains(list, "info") { + size += printCharInfoTables(w) + } + + if contains(list, "recomp") { + // Note that we use 32 bit keys, instead of 64 bit. + // This clips the bits of three entries, but we know + // this won't cause a collision. The compiler will catch + // any changes made to UnicodeData.txt that introduces + // a collision. + // Note that the recomposition map for NFC and NFKC + // are identical. + + // Recomposition map + nrentries := 0 + for _, c := range chars { + f := c.forms[FCanonical] + if !f.isOneWay && len(f.decomp) > 0 { + nrentries++ + } + } + sz := nrentries * 8 + size += sz + fmt.Fprintf(w, "// recompMap: %d bytes (entries only)\n", sz) + fmt.Fprintln(w, "var recompMap map[uint32]rune") + fmt.Fprintln(w, "var recompMapOnce sync.Once\n") + fmt.Fprintln(w, `const recompMapPacked = "" +`) + var buf [8]byte + for i, c := range chars { + f := c.forms[FCanonical] + d := f.decomp + if !f.isOneWay && len(d) > 0 { + key := uint32(uint16(d[0]))<<16 + uint32(uint16(d[1])) + binary.BigEndian.PutUint32(buf[:4], key) + binary.BigEndian.PutUint32(buf[4:], uint32(i)) + fmt.Fprintf(w, "\t\t%q + // 0x%.8X: 0x%.8X\n", string(buf[:]), key, uint32(i)) + } + } + // hack so we don't have to special case the trailing plus sign + fmt.Fprintf(w, ` ""`) + fmt.Fprintln(w) + } + + fmt.Fprintf(w, "// Total size of tables: %dKB (%d bytes)\n", (size+512)/1024, size) + gen.WriteVersionedGoFile("tables.go", "norm", w.Bytes()) +} + +func printChars() { + if *verbose { + for _, c := range chars { + if !c.isValid() || c.state == SMissing { + continue + } + fmt.Println(c) + } + } +} + +// verifyComputed does various consistency tests. +func verifyComputed() { + for i, c := range chars { + for _, f := range c.forms { + isNo := (f.quickCheck[MDecomposed] == QCNo) + if (len(f.decomp) > 0) != isNo && !isHangul(rune(i)) { + log.Fatalf("%U: NF*D QC must be No if rune decomposes", i) + } + + isMaybe := f.quickCheck[MComposed] == QCMaybe + if f.combinesBackward != isMaybe { + log.Fatalf("%U: NF*C QC must be Maybe if combinesBackward", i) + } + if len(f.decomp) > 0 && f.combinesForward && isMaybe { + log.Fatalf("%U: NF*C QC must be Yes or No if combinesForward and decomposes", i) + } + + if len(f.expandedDecomp) != 0 { + continue + } + if a, b := c.nLeadingNonStarters > 0, (c.ccc > 0 || f.combinesBackward); a != b { + // We accept these runes to be treated differently (it only affects + // segment breaking in iteration, most likely on improper use), but + // reconsider if more characters are added. + // U+FF9E HALFWIDTH KATAKANA VOICED SOUND MARK;Lm;0;L; 3099;;;;N;;;;; + // U+FF9F HALFWIDTH KATAKANA SEMI-VOICED SOUND MARK;Lm;0;L; 309A;;;;N;;;;; + // U+3133 HANGUL LETTER KIYEOK-SIOS;Lo;0;L; 11AA;;;;N;HANGUL LETTER GIYEOG SIOS;;;; + // U+318E HANGUL LETTER ARAEAE;Lo;0;L; 11A1;;;;N;HANGUL LETTER ALAE AE;;;; + // U+FFA3 HALFWIDTH HANGUL LETTER KIYEOK-SIOS;Lo;0;L; 3133;;;;N;HALFWIDTH HANGUL LETTER GIYEOG SIOS;;;; + // U+FFDC HALFWIDTH HANGUL LETTER I;Lo;0;L; 3163;;;;N;;;;; + if i != 0xFF9E && i != 0xFF9F && !(0x3133 <= i && i <= 0x318E) && !(0xFFA3 <= i && i <= 0xFFDC) { + log.Fatalf("%U: nLead was %v; want %v", i, a, b) + } + } + } + nfc := c.forms[FCanonical] + nfkc := c.forms[FCompatibility] + if nfc.combinesBackward != nfkc.combinesBackward { + log.Fatalf("%U: Cannot combine combinesBackward\n", c.codePoint) + } + } +} + +// Use values in DerivedNormalizationProps.txt to compare against the +// values we computed. +// DerivedNormalizationProps.txt has form: +// 00C0..00C5 ; NFD_QC; N # ... +// 0374 ; NFD_QC; N # ... +// See https://unicode.org/reports/tr44/ for full explanation +func testDerived() { + f := gen.OpenUCDFile("DerivedNormalizationProps.txt") + defer f.Close() + p := ucd.New(f) + for p.Next() { + r := p.Rune(0) + c := &chars[r] + + var ftype, mode int + qt := p.String(1) + switch qt { + case "NFC_QC": + ftype, mode = FCanonical, MComposed + case "NFD_QC": + ftype, mode = FCanonical, MDecomposed + case "NFKC_QC": + ftype, mode = FCompatibility, MComposed + case "NFKD_QC": + ftype, mode = FCompatibility, MDecomposed + default: + continue + } + var qr QCResult + switch p.String(2) { + case "Y": + qr = QCYes + case "N": + qr = QCNo + case "M": + qr = QCMaybe + default: + log.Fatalf(`Unexpected quick check value "%s"`, p.String(2)) + } + if got := c.forms[ftype].quickCheck[mode]; got != qr { + log.Printf("%U: FAILED %s (was %v need %v)\n", r, qt, got, qr) + } + c.forms[ftype].verified[mode] = true + } + if err := p.Err(); err != nil { + log.Fatal(err) + } + // Any unspecified value must be QCYes. Verify this. + for i, c := range chars { + for j, fd := range c.forms { + for k, qr := range fd.quickCheck { + if !fd.verified[k] && qr != QCYes { + m := "%U: FAIL F:%d M:%d (was %v need Yes) %s\n" + log.Printf(m, i, j, k, qr, c.name) + } + } + } + } +} + +var testHeader = `const ( + Yes = iota + No + Maybe +) + +type formData struct { + qc uint8 + combinesForward bool + decomposition string +} + +type runeData struct { + r rune + ccc uint8 + nLead uint8 + nTrail uint8 + f [2]formData // 0: canonical; 1: compatibility +} + +func f(qc uint8, cf bool, dec string) [2]formData { + return [2]formData{{qc, cf, dec}, {qc, cf, dec}} +} + +func g(qc, qck uint8, cf, cfk bool, d, dk string) [2]formData { + return [2]formData{{qc, cf, d}, {qck, cfk, dk}} +} + +var testData = []runeData{ +` + +func printTestdata() { + type lastInfo struct { + ccc uint8 + nLead uint8 + nTrail uint8 + f string + } + + last := lastInfo{} + w := &bytes.Buffer{} + fmt.Fprintf(w, testHeader) + for r, c := range chars { + f := c.forms[FCanonical] + qc, cf, d := f.quickCheck[MComposed], f.combinesForward, string(f.expandedDecomp) + f = c.forms[FCompatibility] + qck, cfk, dk := f.quickCheck[MComposed], f.combinesForward, string(f.expandedDecomp) + s := "" + if d == dk && qc == qck && cf == cfk { + s = fmt.Sprintf("f(%s, %v, %q)", qc, cf, d) + } else { + s = fmt.Sprintf("g(%s, %s, %v, %v, %q, %q)", qc, qck, cf, cfk, d, dk) + } + current := lastInfo{c.ccc, c.nLeadingNonStarters, c.nTrailingNonStarters, s} + if last != current { + fmt.Fprintf(w, "\t{0x%x, %d, %d, %d, %s},\n", r, c.origCCC, c.nLeadingNonStarters, c.nTrailingNonStarters, s) + last = current + } + } + fmt.Fprintln(w, "}") + gen.WriteVersionedGoFile("data_test.go", "norm", w.Bytes()) +} diff --git a/vendor/golang.org/x/text/unicode/norm/triegen.go b/vendor/golang.org/x/text/unicode/norm/triegen.go new file mode 100644 index 000000000..45d711900 --- /dev/null +++ b/vendor/golang.org/x/text/unicode/norm/triegen.go @@ -0,0 +1,117 @@ +// Copyright 2011 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build ignore + +// Trie table generator. +// Used by make*tables tools to generate a go file with trie data structures +// for mapping UTF-8 to a 16-bit value. All but the last byte in a UTF-8 byte +// sequence are used to lookup offsets in the index table to be used for the +// next byte. The last byte is used to index into a table with 16-bit values. + +package main + +import ( + "fmt" + "io" +) + +const maxSparseEntries = 16 + +type normCompacter struct { + sparseBlocks [][]uint64 + sparseOffset []uint16 + sparseCount int + name string +} + +func mostFrequentStride(a []uint64) int { + counts := make(map[int]int) + var v int + for _, x := range a { + if stride := int(x) - v; v != 0 && stride >= 0 { + counts[stride]++ + } + v = int(x) + } + var maxs, maxc int + for stride, cnt := range counts { + if cnt > maxc || (cnt == maxc && stride < maxs) { + maxs, maxc = stride, cnt + } + } + return maxs +} + +func countSparseEntries(a []uint64) int { + stride := mostFrequentStride(a) + var v, count int + for _, tv := range a { + if int(tv)-v != stride { + if tv != 0 { + count++ + } + } + v = int(tv) + } + return count +} + +func (c *normCompacter) Size(v []uint64) (sz int, ok bool) { + if n := countSparseEntries(v); n <= maxSparseEntries { + return (n+1)*4 + 2, true + } + return 0, false +} + +func (c *normCompacter) Store(v []uint64) uint32 { + h := uint32(len(c.sparseOffset)) + c.sparseBlocks = append(c.sparseBlocks, v) + c.sparseOffset = append(c.sparseOffset, uint16(c.sparseCount)) + c.sparseCount += countSparseEntries(v) + 1 + return h +} + +func (c *normCompacter) Handler() string { + return c.name + "Sparse.lookup" +} + +func (c *normCompacter) Print(w io.Writer) (retErr error) { + p := func(f string, x ...interface{}) { + if _, err := fmt.Fprintf(w, f, x...); retErr == nil && err != nil { + retErr = err + } + } + + ls := len(c.sparseBlocks) + p("// %sSparseOffset: %d entries, %d bytes\n", c.name, ls, ls*2) + p("var %sSparseOffset = %#v\n\n", c.name, c.sparseOffset) + + ns := c.sparseCount + p("// %sSparseValues: %d entries, %d bytes\n", c.name, ns, ns*4) + p("var %sSparseValues = [%d]valueRange {", c.name, ns) + for i, b := range c.sparseBlocks { + p("\n// Block %#x, offset %#x", i, c.sparseOffset[i]) + var v int + stride := mostFrequentStride(b) + n := countSparseEntries(b) + p("\n{value:%#04x,lo:%#02x},", stride, uint8(n)) + for i, nv := range b { + if int(nv)-v != stride { + if v != 0 { + p(",hi:%#02x},", 0x80+i-1) + } + if nv != 0 { + p("\n{value:%#04x,lo:%#02x", nv, 0x80+i) + } + } + v = int(nv) + } + if v != 0 { + p(",hi:%#02x},", 0x80+len(b)-1) + } + } + p("\n}\n\n") + return +} diff --git a/vendor/golang.org/x/text/width/gen.go b/vendor/golang.org/x/text/width/gen.go new file mode 100644 index 000000000..092277e1f --- /dev/null +++ b/vendor/golang.org/x/text/width/gen.go @@ -0,0 +1,115 @@ +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build ignore + +// This program generates the trie for width operations. The generated table +// includes width category information as well as the normalization mappings. +package main + +import ( + "bytes" + "fmt" + "io" + "log" + "math" + "unicode/utf8" + + "golang.org/x/text/internal/gen" + "golang.org/x/text/internal/triegen" +) + +// See gen_common.go for flags. + +func main() { + gen.Init() + genTables() + genTests() + gen.Repackage("gen_trieval.go", "trieval.go", "width") + gen.Repackage("gen_common.go", "common_test.go", "width") +} + +func genTables() { + t := triegen.NewTrie("width") + // fold and inverse mappings. See mapComment for a description of the format + // of each entry. Add dummy value to make an index of 0 mean no mapping. + inverse := [][4]byte{{}} + mapping := map[[4]byte]int{[4]byte{}: 0} + + getWidthData(func(r rune, tag elem, alt rune) { + idx := 0 + if alt != 0 { + var buf [4]byte + buf[0] = byte(utf8.EncodeRune(buf[1:], alt)) + s := string(r) + buf[buf[0]] ^= s[len(s)-1] + var ok bool + if idx, ok = mapping[buf]; !ok { + idx = len(mapping) + if idx > math.MaxUint8 { + log.Fatalf("Index %d does not fit in a byte.", idx) + } + mapping[buf] = idx + inverse = append(inverse, buf) + } + } + t.Insert(r, uint64(tag|elem(idx))) + }) + + w := &bytes.Buffer{} + gen.WriteUnicodeVersion(w) + + sz, err := t.Gen(w) + if err != nil { + log.Fatal(err) + } + + sz += writeMappings(w, inverse) + + fmt.Fprintf(w, "// Total table size %d bytes (%dKiB)\n", sz, sz/1024) + + gen.WriteVersionedGoFile(*outputFile, "width", w.Bytes()) +} + +const inverseDataComment = ` +// inverseData contains 4-byte entries of the following format: +// <0 padding> +// The last byte of the UTF-8-encoded rune is xor-ed with the last byte of the +// UTF-8 encoding of the original rune. Mappings often have the following +// pattern: +// Ａ -> A (U+FF21 -> U+0041) +// Ｂ -> B (U+FF22 -> U+0042) +// ... +// By xor-ing the last byte the same entry can be shared by many mappings. This +// reduces the total number of distinct entries by about two thirds. +// The resulting entry for the aforementioned mappings is +// { 0x01, 0xE0, 0x00, 0x00 } +// Using this entry to map U+FF21 (UTF-8 [EF BC A1]), we get +// E0 ^ A1 = 41. +// Similarly, for U+FF22 (UTF-8 [EF BC A2]), we get +// E0 ^ A2 = 42. +// Note that because of the xor-ing, the byte sequence stored in the entry is +// not valid UTF-8.` + +func writeMappings(w io.Writer, data [][4]byte) int { + fmt.Fprintln(w, inverseDataComment) + fmt.Fprintf(w, "var inverseData = [%d][4]byte{\n", len(data)) + for _, x := range data { + fmt.Fprintf(w, "{ 0x%02x, 0x%02x, 0x%02x, 0x%02x },\n", x[0], x[1], x[2], x[3]) + } + fmt.Fprintln(w, "}") + return len(data) * 4 +} + +func genTests() { + w := &bytes.Buffer{} + fmt.Fprintf(w, "\nvar mapRunes = map[rune]struct{r rune; e elem}{\n") + getWidthData(func(r rune, tag elem, alt rune) { + if alt != 0 { + fmt.Fprintf(w, "\t0x%X: {0x%X, 0x%X},\n", r, alt, tag) + } + }) + fmt.Fprintln(w, "}") + gen.WriteGoFile("runes_test.go", "width", w.Bytes()) +} diff --git a/vendor/golang.org/x/text/width/gen_common.go b/vendor/golang.org/x/text/width/gen_common.go new file mode 100644 index 000000000..601e75268 --- /dev/null +++ b/vendor/golang.org/x/text/width/gen_common.go @@ -0,0 +1,96 @@ +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build ignore + +package main + +// This code is shared between the main code generator and the test code. + +import ( + "flag" + "log" + "strconv" + "strings" + + "golang.org/x/text/internal/gen" + "golang.org/x/text/internal/ucd" +) + +var ( + outputFile = flag.String("out", "tables.go", "output file") +) + +var typeMap = map[string]elem{ + "A": tagAmbiguous, + "N": tagNeutral, + "Na": tagNarrow, + "W": tagWide, + "F": tagFullwidth, + "H": tagHalfwidth, +} + +// getWidthData calls f for every entry for which it is defined. +// +// f may be called multiple times for the same rune. The last call to f is the +// correct value. f is not called for all runes. The default tag type is +// Neutral. +func getWidthData(f func(r rune, tag elem, alt rune)) { + // Set the default values for Unified Ideographs. In line with Annex 11, + // we encode full ranges instead of the defined runes in Unified_Ideograph. + for _, b := range []struct{ lo, hi rune }{ + {0x4E00, 0x9FFF}, // the CJK Unified Ideographs block, + {0x3400, 0x4DBF}, // the CJK Unified Ideographs Externsion A block, + {0xF900, 0xFAFF}, // the CJK Compatibility Ideographs block, + {0x20000, 0x2FFFF}, // the Supplementary Ideographic Plane, + {0x30000, 0x3FFFF}, // the Tertiary Ideographic Plane, + } { + for r := b.lo; r <= b.hi; r++ { + f(r, tagWide, 0) + } + } + + inverse := map[rune]rune{} + maps := map[string]bool{ + "": true, + "": true, + } + + // We cannot reuse package norm's decomposition, as we need an unexpanded + // decomposition. We make use of the opportunity to verify that the + // decomposition type is as expected. + ucd.Parse(gen.OpenUCDFile("UnicodeData.txt"), func(p *ucd.Parser) { + r := p.Rune(0) + s := strings.SplitN(p.String(ucd.DecompMapping), " ", 2) + if !maps[s[0]] { + return + } + x, err := strconv.ParseUint(s[1], 16, 32) + if err != nil { + log.Fatalf("Error parsing rune %q", s[1]) + } + if inverse[r] != 0 || inverse[rune(x)] != 0 { + log.Fatalf("Circular dependency in mapping between %U and %U", r, x) + } + inverse[r] = rune(x) + inverse[rune(x)] = r + }) + + // ; + ucd.Parse(gen.OpenUCDFile("EastAsianWidth.txt"), func(p *ucd.Parser) { + tag, ok := typeMap[p.String(1)] + if !ok { + log.Fatalf("Unknown width type %q", p.String(1)) + } + r := p.Rune(0) + alt, ok := inverse[r] + if tag == tagFullwidth || tag == tagHalfwidth && r != wonSign { + tag |= tagNeedsFold + if !ok { + log.Fatalf("Narrow or wide rune %U has no decomposition", r) + } + } + f(r, tag, alt) + }) +} diff --git a/vendor/golang.org/x/text/width/gen_trieval.go b/vendor/golang.org/x/text/width/gen_trieval.go new file mode 100644 index 000000000..c17334aa6 --- /dev/null +++ b/vendor/golang.org/x/text/width/gen_trieval.go @@ -0,0 +1,34 @@ +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build ignore + +package main + +// elem is an entry of the width trie. The high byte is used to encode the type +// of the rune. The low byte is used to store the index to a mapping entry in +// the inverseData array. +type elem uint16 + +const ( + tagNeutral elem = iota << typeShift + tagAmbiguous + tagWide + tagNarrow + tagFullwidth + tagHalfwidth +) + +const ( + numTypeBits = 3 + typeShift = 16 - numTypeBits + + // tagNeedsFold is true for all fullwidth and halfwidth runes except for + // the Won sign U+20A9. + tagNeedsFold = 0x1000 + + // The Korean Won sign is halfwidth, but SHOULD NOT be mapped to a wide + // variant. + wonSign rune = 0x20A9 +) diff --git a/vendor/k8s.io/apimachinery/pkg/util/wait/doc.go b/vendor/k8s.io/apimachinery/pkg/util/wait/doc.go new file mode 100644 index 000000000..3f0c968ec --- /dev/null +++ b/vendor/k8s.io/apimachinery/pkg/util/wait/doc.go @@ -0,0 +1,19 @@ +/* +Copyright 2014 The Kubernetes Authors. + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +*/ + +// Package wait provides tools for polling or listening for changes +// to a condition. +package wait // import "k8s.io/apimachinery/pkg/util/wait" diff --git a/vendor/k8s.io/apimachinery/pkg/util/wait/wait.go b/vendor/k8s.io/apimachinery/pkg/util/wait/wait.go new file mode 100644 index 000000000..bc6b18d2b --- /dev/null +++ b/vendor/k8s.io/apimachinery/pkg/util/wait/wait.go @@ -0,0 +1,504 @@ +/* +Copyright 2014 The Kubernetes Authors. + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +*/ + +package wait + +import ( + "context" + "errors" + "math/rand" + "sync" + "time" + + "k8s.io/apimachinery/pkg/util/runtime" +) + +// For any test of the style: +// ... +// <- time.After(timeout): +// t.Errorf("Timed out") +// The value for timeout should effectively be "forever." Obviously we don't want our tests to truly lock up forever, but 30s +// is long enough that it is effectively forever for the things that can slow down a run on a heavily contended machine +// (GC, seeks, etc), but not so long as to make a developer ctrl-c a test run if they do happen to break that test. +var ForeverTestTimeout = time.Second * 30 + +// NeverStop may be passed to Until to make it never stop. +var NeverStop <-chan struct{} = make(chan struct{}) + +// Group allows to start a group of goroutines and wait for their completion. +type Group struct { + wg sync.WaitGroup +} + +func (g *Group) Wait() { + g.wg.Wait() +} + +// StartWithChannel starts f in a new goroutine in the group. +// stopCh is passed to f as an argument. f should stop when stopCh is available. +func (g *Group) StartWithChannel(stopCh <-chan struct{}, f func(stopCh <-chan struct{})) { + g.Start(func() { + f(stopCh) + }) +} + +// StartWithContext starts f in a new goroutine in the group. +// ctx is passed to f as an argument. f should stop when ctx.Done() is available. +func (g *Group) StartWithContext(ctx context.Context, f func(context.Context)) { + g.Start(func() { + f(ctx) + }) +} + +// Start starts f in a new goroutine in the group. +func (g *Group) Start(f func()) { + g.wg.Add(1) + go func() { + defer g.wg.Done() + f() + }() +} + +// Forever calls f every period for ever. +// +// Forever is syntactic sugar on top of Until. +func Forever(f func(), period time.Duration) { + Until(f, period, NeverStop) +} + +// Until loops until stop channel is closed, running f every period. +// +// Until is syntactic sugar on top of JitterUntil with zero jitter factor and +// with sliding = true (which means the timer for period starts after the f +// completes). +func Until(f func(), period time.Duration, stopCh <-chan struct{}) { + JitterUntil(f, period, 0.0, true, stopCh) +} + +// UntilWithContext loops until context is done, running f every period. +// +// UntilWithContext is syntactic sugar on top of JitterUntilWithContext +// with zero jitter factor and with sliding = true (which means the timer +// for period starts after the f completes). +func UntilWithContext(ctx context.Context, f func(context.Context), period time.Duration) { + JitterUntilWithContext(ctx, f, period, 0.0, true) +} + +// NonSlidingUntil loops until stop channel is closed, running f every +// period. +// +// NonSlidingUntil is syntactic sugar on top of JitterUntil with zero jitter +// factor, with sliding = false (meaning the timer for period starts at the same +// time as the function starts). +func NonSlidingUntil(f func(), period time.Duration, stopCh <-chan struct{}) { + JitterUntil(f, period, 0.0, false, stopCh) +} + +// NonSlidingUntilWithContext loops until context is done, running f every +// period. +// +// NonSlidingUntilWithContext is syntactic sugar on top of JitterUntilWithContext +// with zero jitter factor, with sliding = false (meaning the timer for period +// starts at the same time as the function starts). +func NonSlidingUntilWithContext(ctx context.Context, f func(context.Context), period time.Duration) { + JitterUntilWithContext(ctx, f, period, 0.0, false) +} + +// JitterUntil loops until stop channel is closed, running f every period. +// +// If jitterFactor is positive, the period is jittered before every run of f. +// If jitterFactor is not positive, the period is unchanged and not jittered. +// +// If sliding is true, the period is computed after f runs. If it is false then +// period includes the runtime for f. +// +// Close stopCh to stop. f may not be invoked if stop channel is already +// closed. Pass NeverStop to if you don't want it stop. +func JitterUntil(f func(), period time.Duration, jitterFactor float64, sliding bool, stopCh <-chan struct{}) { + var t *time.Timer + var sawTimeout bool + + for { + select { + case <-stopCh: + return + default: + } + + jitteredPeriod := period + if jitterFactor > 0.0 { + jitteredPeriod = Jitter(period, jitterFactor) + } + + if !sliding { + t = resetOrReuseTimer(t, jitteredPeriod, sawTimeout) + } + + func() { + defer runtime.HandleCrash() + f() + }() + + if sliding { + t = resetOrReuseTimer(t, jitteredPeriod, sawTimeout) + } + + // NOTE: b/c there is no priority selection in golang + // it is possible for this to race, meaning we could + // trigger t.C and stopCh, and t.C select falls through. + // In order to mitigate we re-check stopCh at the beginning + // of every loop to prevent extra executions of f(). + select { + case <-stopCh: + return + case <-t.C: + sawTimeout = true + } + } +} + +// JitterUntilWithContext loops until context is done, running f every period. +// +// If jitterFactor is positive, the period is jittered before every run of f. +// If jitterFactor is not positive, the period is unchanged and not jittered. +// +// If sliding is true, the period is computed after f runs. If it is false then +// period includes the runtime for f. +// +// Cancel context to stop. f may not be invoked if context is already expired. +func JitterUntilWithContext(ctx context.Context, f func(context.Context), period time.Duration, jitterFactor float64, sliding bool) { + JitterUntil(func() { f(ctx) }, period, jitterFactor, sliding, ctx.Done()) +} + +// Jitter returns a time.Duration between duration and duration + maxFactor * +// duration. +// +// This allows clients to avoid converging on periodic behavior. If maxFactor +// is 0.0, a suggested default value will be chosen. +func Jitter(duration time.Duration, maxFactor float64) time.Duration { + if maxFactor <= 0.0 { + maxFactor = 1.0 + } + wait := duration + time.Duration(rand.Float64()*maxFactor*float64(duration)) + return wait +} + +// ErrWaitTimeout is returned when the condition exited without success. +var ErrWaitTimeout = errors.New("timed out waiting for the condition") + +// ConditionFunc returns true if the condition is satisfied, or an error +// if the loop should be aborted. +type ConditionFunc func() (done bool, err error) + +// Backoff holds parameters applied to a Backoff function. +type Backoff struct { + // The initial duration. + Duration time.Duration + // Duration is multiplied by factor each iteration. Must be greater + // than or equal to zero. + Factor float64 + // The amount of jitter applied each iteration. Jitter is applied after + // cap. + Jitter float64 + // The number of steps before duration stops changing. If zero, initial + // duration is always used. Used for exponential backoff in combination + // with Factor. + Steps int + // The returned duration will never be greater than cap *before* jitter + // is applied. The actual maximum cap is `cap * (1.0 + jitter)`. + Cap time.Duration +} + +// Step returns the next interval in the exponential backoff. This method +// will mutate the provided backoff. +func (b *Backoff) Step() time.Duration { + if b.Steps < 1 { + if b.Jitter > 0 { + return Jitter(b.Duration, b.Jitter) + } + return b.Duration + } + b.Steps-- + + duration := b.Duration + + // calculate the next step + if b.Factor != 0 { + b.Duration = time.Duration(float64(b.Duration) * b.Factor) + if b.Cap > 0 && b.Duration > b.Cap { + b.Duration = b.Cap + b.Steps = 0 + } + } + + if b.Jitter > 0 { + duration = Jitter(duration, b.Jitter) + } + return duration +} + +// contextForChannel derives a child context from a parent channel. +// +// The derived context's Done channel is closed when the returned cancel function +// is called or when the parent channel is closed, whichever happens first. +// +// Note the caller must *always* call the CancelFunc, otherwise resources may be leaked. +func contextForChannel(parentCh <-chan struct{}) (context.Context, context.CancelFunc) { + ctx, cancel := context.WithCancel(context.Background()) + + go func() { + select { + case <-parentCh: + cancel() + case <-ctx.Done(): + } + }() + return ctx, cancel +} + +// ExponentialBackoff repeats a condition check with exponential backoff. +// +// It checks the condition up to Steps times, increasing the wait by multiplying +// the previous duration by Factor. +// +// If Jitter is greater than zero, a random amount of each duration is added +// (between duration and duration*(1+jitter)). +// +// If the condition never returns true, ErrWaitTimeout is returned. All other +// errors terminate immediately. +func ExponentialBackoff(backoff Backoff, condition ConditionFunc) error { + for backoff.Steps > 0 { + if ok, err := condition(); err != nil || ok { + return err + } + if backoff.Steps == 1 { + break + } + time.Sleep(backoff.Step()) + } + return ErrWaitTimeout +} + +// Poll tries a condition func until it returns true, an error, or the timeout +// is reached. +// +// Poll always waits the interval before the run of 'condition'. +// 'condition' will always be invoked at least once. +// +// Some intervals may be missed if the condition takes too long or the time +// window is too short. +// +// If you want to Poll something forever, see PollInfinite. +func Poll(interval, timeout time.Duration, condition ConditionFunc) error { + return pollInternal(poller(interval, timeout), condition) +} + +func pollInternal(wait WaitFunc, condition ConditionFunc) error { + done := make(chan struct{}) + defer close(done) + return WaitFor(wait, condition, done) +} + +// PollImmediate tries a condition func until it returns true, an error, or the timeout +// is reached. +// +// PollImmediate always checks 'condition' before waiting for the interval. 'condition' +// will always be invoked at least once. +// +// Some intervals may be missed if the condition takes too long or the time +// window is too short. +// +// If you want to immediately Poll something forever, see PollImmediateInfinite. +func PollImmediate(interval, timeout time.Duration, condition ConditionFunc) error { + return pollImmediateInternal(poller(interval, timeout), condition) +} + +func pollImmediateInternal(wait WaitFunc, condition ConditionFunc) error { + done, err := condition() + if err != nil { + return err + } + if done { + return nil + } + return pollInternal(wait, condition) +} + +// PollInfinite tries a condition func until it returns true or an error +// +// PollInfinite always waits the interval before the run of 'condition'. +// +// Some intervals may be missed if the condition takes too long or the time +// window is too short. +func PollInfinite(interval time.Duration, condition ConditionFunc) error { + done := make(chan struct{}) + defer close(done) + return PollUntil(interval, condition, done) +} + +// PollImmediateInfinite tries a condition func until it returns true or an error +// +// PollImmediateInfinite runs the 'condition' before waiting for the interval. +// +// Some intervals may be missed if the condition takes too long or the time +// window is too short. +func PollImmediateInfinite(interval time.Duration, condition ConditionFunc) error { + done, err := condition() + if err != nil { + return err + } + if done { + return nil + } + return PollInfinite(interval, condition) +} + +// PollUntil tries a condition func until it returns true, an error or stopCh is +// closed. +// +// PollUntil always waits interval before the first run of 'condition'. +// 'condition' will always be invoked at least once. +func PollUntil(interval time.Duration, condition ConditionFunc, stopCh <-chan struct{}) error { + ctx, cancel := contextForChannel(stopCh) + defer cancel() + return WaitFor(poller(interval, 0), condition, ctx.Done()) +} + +// PollImmediateUntil tries a condition func until it returns true, an error or stopCh is closed. +// +// PollImmediateUntil runs the 'condition' before waiting for the interval. +// 'condition' will always be invoked at least once. +func PollImmediateUntil(interval time.Duration, condition ConditionFunc, stopCh <-chan struct{}) error { + done, err := condition() + if err != nil { + return err + } + if done { + return nil + } + select { + case <-stopCh: + return ErrWaitTimeout + default: + return PollUntil(interval, condition, stopCh) + } +} + +// WaitFunc creates a channel that receives an item every time a test +// should be executed and is closed when the last test should be invoked. +type WaitFunc func(done <-chan struct{}) <-chan struct{} + +// WaitFor continually checks 'fn' as driven by 'wait'. +// +// WaitFor gets a channel from 'wait()'', and then invokes 'fn' once for every value +// placed on the channel and once more when the channel is closed. If the channel is closed +// and 'fn' returns false without error, WaitFor returns ErrWaitTimeout. +// +// If 'fn' returns an error the loop ends and that error is returned. If +// 'fn' returns true the loop ends and nil is returned. +// +// ErrWaitTimeout will be returned if the 'done' channel is closed without fn ever +// returning true. +// +// When the done channel is closed, because the golang `select` statement is +// "uniform pseudo-random", the `fn` might still run one or multiple time, +// though eventually `WaitFor` will return. +func WaitFor(wait WaitFunc, fn ConditionFunc, done <-chan struct{}) error { + stopCh := make(chan struct{}) + defer close(stopCh) + c := wait(stopCh) + for { + select { + case _, open := <-c: + ok, err := fn() + if err != nil { + return err + } + if ok { + return nil + } + if !open { + return ErrWaitTimeout + } + case <-done: + return ErrWaitTimeout + } + } +} + +// poller returns a WaitFunc that will send to the channel every interval until +// timeout has elapsed and then closes the channel. +// +// Over very short intervals you may receive no ticks before the channel is +// closed. A timeout of 0 is interpreted as an infinity, and in such a case +// it would be the caller's responsibility to close the done channel. +// Failure to do so would result in a leaked goroutine. +// +// Output ticks are not buffered. If the channel is not ready to receive an +// item, the tick is skipped. +func poller(interval, timeout time.Duration) WaitFunc { + return WaitFunc(func(done <-chan struct{}) <-chan struct{} { + ch := make(chan struct{}) + + go func() { + defer close(ch) + + tick := time.NewTicker(interval) + defer tick.Stop() + + var after <-chan time.Time + if timeout != 0 { + // time.After is more convenient, but it + // potentially leaves timers around much longer + // than necessary if we exit early. + timer := time.NewTimer(timeout) + after = timer.C + defer timer.Stop() + } + + for { + select { + case <-tick.C: + // If the consumer isn't ready for this signal drop it and + // check the other channels. + select { + case ch <- struct{}{}: + default: + } + case <-after: + return + case <-done: + return + } + } + }() + + return ch + }) +} + +// resetOrReuseTimer avoids allocating a new timer if one is already in use. +// Not safe for multiple threads. +func resetOrReuseTimer(t *time.Timer, d time.Duration, sawTimeout bool) *time.Timer { + if t == nil { + return time.NewTimer(d) + } + if !t.Stop() && !sawTimeout { + <-t.C + } + t.Reset(d) + return t +} diff --git a/vendor/k8s.io/client-go/util/retry/OWNERS b/vendor/k8s.io/client-go/util/retry/OWNERS new file mode 100644 index 000000000..dec3e88d6 --- /dev/null +++ b/vendor/k8s.io/client-go/util/retry/OWNERS @@ -0,0 +1,4 @@ +# See the OWNERS docs at https://go.k8s.io/owners + +reviewers: +- caesarxuchao diff --git a/vendor/k8s.io/client-go/util/retry/util.go b/vendor/k8s.io/client-go/util/retry/util.go new file mode 100644 index 000000000..3ac0840ad --- /dev/null +++ b/vendor/k8s.io/client-go/util/retry/util.go @@ -0,0 +1,79 @@ +/* +Copyright 2016 The Kubernetes Authors. + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +*/ + +package retry + +import ( + "time" + + "k8s.io/apimachinery/pkg/api/errors" + "k8s.io/apimachinery/pkg/util/wait" +) + +// DefaultRetry is the recommended retry for a conflict where multiple clients +// are making changes to the same resource. +var DefaultRetry = wait.Backoff{ + Steps: 5, + Duration: 10 * time.Millisecond, + Factor: 1.0, + Jitter: 0.1, +} + +// DefaultBackoff is the recommended backoff for a conflict where a client +// may be attempting to make an unrelated modification to a resource under +// active management by one or more controllers. +var DefaultBackoff = wait.Backoff{ + Steps: 4, + Duration: 10 * time.Millisecond, + Factor: 5.0, + Jitter: 0.1, +} + +// RetryConflict executes the provided function repeatedly, retrying if the server returns a conflicting +// write. Callers should preserve previous executions if they wish to retry changes. It performs an +// exponential backoff. +// +// var pod *api.Pod +// err := RetryOnConflict(DefaultBackoff, func() (err error) { +// pod, err = c.Pods("mynamespace").UpdateStatus(podStatus) +// return +// }) +// if err != nil { +// // may be conflict if max retries were hit +// return err +// } +// ... +// +// TODO: Make Backoff an interface? +func RetryOnConflict(backoff wait.Backoff, fn func() error) error { + var lastConflictErr error + err := wait.ExponentialBackoff(backoff, func() (bool, error) { + err := fn() + switch { + case err == nil: + return true, nil + case errors.IsConflict(err): + lastConflictErr = err + return false, nil + default: + return false, err + } + }) + if err == wait.ErrWaitTimeout { + err = lastConflictErr + } + return err +} diff --git a/vendor/modules.txt b/vendor/modules.txt index 6fbf033ab..1b8f53db9 100644 --- a/vendor/modules.txt +++ b/vendor/modules.txt @@ -25,8 +25,8 @@ github.com/gogo/protobuf/sortkeys github.com/golang/groupcache/lru # github.com/golang/protobuf v1.4.1 github.com/golang/protobuf/proto -github.com/golang/protobuf/ptypes github.com/golang/protobuf/ptypes/any +github.com/golang/protobuf/ptypes github.com/golang/protobuf/ptypes/duration github.com/golang/protobuf/ptypes/timestamp # github.com/google/gofuzz v1.1.0 @@ -42,13 +42,13 @@ github.com/json-iterator/go # github.com/konsorten/go-windows-terminal-sequences v1.0.3 github.com/konsorten/go-windows-terminal-sequences # github.com/litmuschaos/chaos-operator v0.0.0-20200415134554-796f3ffb366e +github.com/litmuschaos/chaos-operator/pkg/client/clientset/versioned/typed/litmuschaos/v1alpha1 github.com/litmuschaos/chaos-operator/pkg/apis/litmuschaos/v1alpha1 github.com/litmuschaos/chaos-operator/pkg/client/clientset/versioned/scheme -github.com/litmuschaos/chaos-operator/pkg/client/clientset/versioned/typed/litmuschaos/v1alpha1 # github.com/mailru/easyjson v0.7.1 -github.com/mailru/easyjson/buffer github.com/mailru/easyjson/jlexer github.com/mailru/easyjson/jwriter +github.com/mailru/easyjson/buffer # github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd github.com/modern-go/concurrent # github.com/modern-go/reflect2 v1.0.1 @@ -64,64 +64,64 @@ github.com/spf13/pflag # golang.org/x/crypto v0.0.0-20200429183012-4b2356b1ed79 golang.org/x/crypto/ssh/terminal # golang.org/x/net v0.0.0-20200506145744-7e3656a0809f -golang.org/x/net/context -golang.org/x/net/context/ctxhttp -golang.org/x/net/http/httpguts golang.org/x/net/http2 +golang.org/x/net/http/httpguts golang.org/x/net/http2/hpack golang.org/x/net/idna +golang.org/x/net/context/ctxhttp +golang.org/x/net/context # golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d golang.org/x/oauth2 golang.org/x/oauth2/internal # golang.org/x/sys v0.0.0-20200509044756-6aff5f38e54f -golang.org/x/sys/internal/unsafeheader golang.org/x/sys/unix +golang.org/x/sys/internal/unsafeheader golang.org/x/sys/windows # golang.org/x/text v0.3.2 golang.org/x/text/secure/bidirule -golang.org/x/text/transform golang.org/x/text/unicode/bidi golang.org/x/text/unicode/norm +golang.org/x/text/transform golang.org/x/text/width # golang.org/x/time v0.0.0-20200416051211-89c76fbcd5d1 golang.org/x/time/rate # google.golang.org/appengine v1.6.6 +google.golang.org/appengine/urlfetch google.golang.org/appengine/internal +google.golang.org/appengine/internal/urlfetch google.golang.org/appengine/internal/base google.golang.org/appengine/internal/datastore google.golang.org/appengine/internal/log google.golang.org/appengine/internal/remote_api -google.golang.org/appengine/internal/urlfetch -google.golang.org/appengine/urlfetch # google.golang.org/protobuf v1.22.0 google.golang.org/protobuf/encoding/prototext google.golang.org/protobuf/encoding/protowire -google.golang.org/protobuf/internal/descfmt -google.golang.org/protobuf/internal/descopts -google.golang.org/protobuf/internal/detrand -google.golang.org/protobuf/internal/encoding/defval +google.golang.org/protobuf/proto +google.golang.org/protobuf/reflect/protoreflect +google.golang.org/protobuf/reflect/protoregistry +google.golang.org/protobuf/runtime/protoiface +google.golang.org/protobuf/runtime/protoimpl google.golang.org/protobuf/internal/encoding/messageset -google.golang.org/protobuf/internal/encoding/tag google.golang.org/protobuf/internal/encoding/text google.golang.org/protobuf/internal/errors google.golang.org/protobuf/internal/fieldnum -google.golang.org/protobuf/internal/fieldsort -google.golang.org/protobuf/internal/filedesc -google.golang.org/protobuf/internal/filetype google.golang.org/protobuf/internal/flags -google.golang.org/protobuf/internal/genname -google.golang.org/protobuf/internal/impl google.golang.org/protobuf/internal/mapsort google.golang.org/protobuf/internal/pragma google.golang.org/protobuf/internal/set +google.golang.org/protobuf/internal/fieldsort google.golang.org/protobuf/internal/strs +google.golang.org/protobuf/internal/filedesc +google.golang.org/protobuf/internal/filetype +google.golang.org/protobuf/internal/impl google.golang.org/protobuf/internal/version -google.golang.org/protobuf/proto -google.golang.org/protobuf/reflect/protoreflect -google.golang.org/protobuf/reflect/protoregistry -google.golang.org/protobuf/runtime/protoiface -google.golang.org/protobuf/runtime/protoimpl google.golang.org/protobuf/types/known/anypb +google.golang.org/protobuf/internal/detrand +google.golang.org/protobuf/internal/descfmt +google.golang.org/protobuf/internal/descopts +google.golang.org/protobuf/internal/encoding/defval +google.golang.org/protobuf/internal/encoding/tag +google.golang.org/protobuf/internal/genname google.golang.org/protobuf/types/known/durationpb google.golang.org/protobuf/types/known/timestamppb # gopkg.in/inf.v0 v0.9.1 @@ -129,6 +129,8 @@ gopkg.in/inf.v0 # gopkg.in/yaml.v2 v2.2.8 gopkg.in/yaml.v2 # k8s.io/api v0.0.0-20190918195907-bd6ac527cfd2 +k8s.io/api/core/v1 +k8s.io/api/rbac/v1 k8s.io/api/admissionregistration/v1beta1 k8s.io/api/apps/v1 k8s.io/api/apps/v1beta1 @@ -147,7 +149,6 @@ k8s.io/api/batch/v2alpha1 k8s.io/api/certificates/v1beta1 k8s.io/api/coordination/v1 k8s.io/api/coordination/v1beta1 -k8s.io/api/core/v1 k8s.io/api/events/v1beta1 k8s.io/api/extensions/v1beta1 k8s.io/api/networking/v1 @@ -155,7 +156,6 @@ k8s.io/api/networking/v1beta1 k8s.io/api/node/v1alpha1 k8s.io/api/node/v1beta1 k8s.io/api/policy/v1beta1 -k8s.io/api/rbac/v1 k8s.io/api/rbac/v1alpha1 k8s.io/api/rbac/v1beta1 k8s.io/api/scheduling/v1 @@ -166,51 +166,60 @@ k8s.io/api/storage/v1 k8s.io/api/storage/v1alpha1 k8s.io/api/storage/v1beta1 # k8s.io/apimachinery v0.0.0-20190817020851-f2f3a405f61d -k8s.io/apimachinery/pkg/api/errors -k8s.io/apimachinery/pkg/api/meta -k8s.io/apimachinery/pkg/api/resource k8s.io/apimachinery/pkg/apis/meta/v1 -k8s.io/apimachinery/pkg/apis/meta/v1/unstructured +k8s.io/apimachinery/pkg/types +k8s.io/apimachinery/pkg/api/resource +k8s.io/apimachinery/pkg/runtime +k8s.io/apimachinery/pkg/api/errors +k8s.io/apimachinery/pkg/runtime/schema +k8s.io/apimachinery/pkg/util/intstr k8s.io/apimachinery/pkg/conversion -k8s.io/apimachinery/pkg/conversion/queryparams k8s.io/apimachinery/pkg/fields k8s.io/apimachinery/pkg/labels -k8s.io/apimachinery/pkg/runtime -k8s.io/apimachinery/pkg/runtime/schema -k8s.io/apimachinery/pkg/runtime/serializer -k8s.io/apimachinery/pkg/runtime/serializer/json -k8s.io/apimachinery/pkg/runtime/serializer/protobuf -k8s.io/apimachinery/pkg/runtime/serializer/recognizer -k8s.io/apimachinery/pkg/runtime/serializer/streaming -k8s.io/apimachinery/pkg/runtime/serializer/versioning k8s.io/apimachinery/pkg/selection -k8s.io/apimachinery/pkg/types -k8s.io/apimachinery/pkg/util/clock +k8s.io/apimachinery/pkg/util/runtime +k8s.io/apimachinery/pkg/watch +k8s.io/apimachinery/pkg/util/wait +k8s.io/apimachinery/pkg/conversion/queryparams k8s.io/apimachinery/pkg/util/errors -k8s.io/apimachinery/pkg/util/framer -k8s.io/apimachinery/pkg/util/httpstream -k8s.io/apimachinery/pkg/util/httpstream/spdy -k8s.io/apimachinery/pkg/util/intstr k8s.io/apimachinery/pkg/util/json -k8s.io/apimachinery/pkg/util/mergepatch k8s.io/apimachinery/pkg/util/naming -k8s.io/apimachinery/pkg/util/net -k8s.io/apimachinery/pkg/util/remotecommand -k8s.io/apimachinery/pkg/util/runtime k8s.io/apimachinery/pkg/util/sets -k8s.io/apimachinery/pkg/util/strategicpatch +k8s.io/apimachinery/pkg/util/httpstream +k8s.io/apimachinery/pkg/util/remotecommand +k8s.io/apimachinery/pkg/runtime/serializer/streaming +k8s.io/apimachinery/pkg/util/net k8s.io/apimachinery/pkg/util/validation +k8s.io/apimachinery/pkg/runtime/serializer +k8s.io/apimachinery/pkg/util/clock +k8s.io/apimachinery/pkg/util/strategicpatch k8s.io/apimachinery/pkg/util/validation/field -k8s.io/apimachinery/pkg/util/yaml +k8s.io/apimachinery/third_party/forked/golang/reflect +k8s.io/apimachinery/pkg/util/httpstream/spdy k8s.io/apimachinery/pkg/version -k8s.io/apimachinery/pkg/watch +k8s.io/apimachinery/pkg/runtime/serializer/json +k8s.io/apimachinery/pkg/runtime/serializer/versioning +k8s.io/apimachinery/pkg/runtime/serializer/protobuf +k8s.io/apimachinery/pkg/runtime/serializer/recognizer +k8s.io/apimachinery/pkg/api/meta +k8s.io/apimachinery/pkg/apis/meta/v1/unstructured +k8s.io/apimachinery/pkg/util/mergepatch k8s.io/apimachinery/third_party/forked/golang/json k8s.io/apimachinery/third_party/forked/golang/netutil -k8s.io/apimachinery/third_party/forked/golang/reflect +k8s.io/apimachinery/pkg/util/framer +k8s.io/apimachinery/pkg/util/yaml # k8s.io/client-go v0.0.0-20190918200256-06eb1244587a -k8s.io/client-go/discovery +k8s.io/client-go/util/retry +k8s.io/client-go/tools/remotecommand k8s.io/client-go/kubernetes +k8s.io/client-go/rest +k8s.io/client-go/tools/clientcmd k8s.io/client-go/kubernetes/scheme +k8s.io/client-go/kubernetes/typed/core/v1 +k8s.io/client-go/tools/record +k8s.io/client-go/transport/spdy +k8s.io/client-go/util/exec +k8s.io/client-go/discovery k8s.io/client-go/kubernetes/typed/admissionregistration/v1beta1 k8s.io/client-go/kubernetes/typed/apps/v1 k8s.io/client-go/kubernetes/typed/apps/v1beta1 @@ -229,7 +238,6 @@ k8s.io/client-go/kubernetes/typed/batch/v2alpha1 k8s.io/client-go/kubernetes/typed/certificates/v1beta1 k8s.io/client-go/kubernetes/typed/coordination/v1 k8s.io/client-go/kubernetes/typed/coordination/v1beta1 -k8s.io/client-go/kubernetes/typed/core/v1 k8s.io/client-go/kubernetes/typed/events/v1beta1 k8s.io/client-go/kubernetes/typed/extensions/v1beta1 k8s.io/client-go/kubernetes/typed/networking/v1 @@ -247,31 +255,25 @@ k8s.io/client-go/kubernetes/typed/settings/v1alpha1 k8s.io/client-go/kubernetes/typed/storage/v1 k8s.io/client-go/kubernetes/typed/storage/v1alpha1 k8s.io/client-go/kubernetes/typed/storage/v1beta1 -k8s.io/client-go/pkg/apis/clientauthentication -k8s.io/client-go/pkg/apis/clientauthentication/v1alpha1 -k8s.io/client-go/pkg/apis/clientauthentication/v1beta1 +k8s.io/client-go/util/flowcontrol k8s.io/client-go/pkg/version k8s.io/client-go/plugin/pkg/client/auth/exec -k8s.io/client-go/rest k8s.io/client-go/rest/watch -k8s.io/client-go/tools/auth -k8s.io/client-go/tools/clientcmd k8s.io/client-go/tools/clientcmd/api -k8s.io/client-go/tools/clientcmd/api/latest -k8s.io/client-go/tools/clientcmd/api/v1 k8s.io/client-go/tools/metrics -k8s.io/client-go/tools/record -k8s.io/client-go/tools/record/util -k8s.io/client-go/tools/reference -k8s.io/client-go/tools/remotecommand k8s.io/client-go/transport -k8s.io/client-go/transport/spdy k8s.io/client-go/util/cert -k8s.io/client-go/util/connrotation -k8s.io/client-go/util/exec -k8s.io/client-go/util/flowcontrol +k8s.io/client-go/tools/auth +k8s.io/client-go/tools/clientcmd/api/latest k8s.io/client-go/util/homedir +k8s.io/client-go/tools/reference +k8s.io/client-go/tools/record/util +k8s.io/client-go/pkg/apis/clientauthentication +k8s.io/client-go/pkg/apis/clientauthentication/v1alpha1 +k8s.io/client-go/pkg/apis/clientauthentication/v1beta1 +k8s.io/client-go/util/connrotation k8s.io/client-go/util/keyutil +k8s.io/client-go/tools/clientcmd/api/v1 # k8s.io/klog v1.0.0 k8s.io/klog # k8s.io/kube-openapi v0.0.0-20200121204235-bf4fb3bd569c