/
max_send.go
187 lines (161 loc) · 4.24 KB
/
max_send.go
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package cmd
import (
"context"
"math/rand"
"os"
"os/signal"
"github.com/Azure/azure-amqp-common-go/auth"
"github.com/Azure/azure-amqp-common-go/sas"
"github.com/Azure/azure-amqp-common-go/uuid"
"github.com/Azure/azure-event-hubs-go"
"github.com/Azure/go-autorest/autorest/to"
log "github.com/sirupsen/logrus"
"github.com/spf13/cobra"
)
func init() {
maxSendTestCmd.Flags().IntVar(&msParams.partitionCount, "partition-count", 4, "number of partitions if creating a new hub")
maxSendTestCmd.Flags().IntVar(&msParams.messageSize, "message-size", 1024, "size of messages")
maxSendTestCmd.Flags().IntVar(&msParams.numberOfSenders, "num-senders", 10, "number of senders")
maxSendTestCmd.Flags().BoolVar(&msParams.roundRobin, "round-robin", true, "send events to all partitions -- if false, events will be sent to a single partition")
rootCmd.AddCommand(maxSendTestCmd)
}
type (
repeatSender struct {
tokenProvider auth.TokenProvider
namespace string
hubName string
messageSize int
}
maxSendParams struct {
messageSize int
numberOfSenders int
partitionCount int
roundRobin bool
}
)
func newRepeatSender(messageSize int, namespace, hubName string, provider auth.TokenProvider) *repeatSender {
return &repeatSender{
namespace: namespace,
hubName: hubName,
tokenProvider: provider,
messageSize: messageSize,
}
}
func (s *repeatSender) Run(ctx context.Context, sentChan chan string, errChan chan error) {
opts := []eventhub.HubOption{eventhub.HubWithEnvironment(environment())}
if !msParams.roundRobin {
opts = append(opts, eventhub.HubWithPartitionedSender("0"))
}
hub, err := eventhub.NewHub(s.namespace, s.hubName, s.tokenProvider, opts...)
if err != nil {
errChan <- err
return
}
for {
select {
case <-ctx.Done():
return
default:
id, err := uuid.NewV4()
if err != nil {
errChan <- err
return
}
batchSize := 256000 / msParams.messageSize
events := make([]*eventhub.Event, batchSize)
for i := 0; i < batchSize; i++ {
data := make([]byte, msParams.messageSize)
_, _ = rand.Read(data)
event := eventhub.NewEvent(data)
event.ID = id.String()
events[i] = event
}
batch := &eventhub.EventBatch{
Events: events,
}
err = hub.SendBatch(ctx, batch)
if err != nil {
errChan <- err
return
}
for i := 0; i < batchSize; i++ {
sentChan <- events[i].ID
}
}
}
}
var (
msParams maxSendParams
maxSendTestCmd = &cobra.Command{
Use: "max-send-test",
Short: "Send messages in parallel of a given size",
Args: func(cmd *cobra.Command, args []string) error {
if debug {
log.SetLevel(log.DebugLevel)
}
return checkAuthFlags()
},
Run: func(cmd *cobra.Command, args []string) {
provider, err := sas.NewTokenProvider(sas.TokenProviderWithKey(sasKeyName, sasKey))
if err != nil {
log.Error(err)
return
}
runCtx, runCancel := context.WithCancel(context.Background())
defer runCancel()
_, err = ensureProvisioned(runCtx)
if err != nil {
log.Error(err)
return
}
errChan := make(chan error, 1)
defer close(errChan)
sentChan := make(chan string, 10)
defer close(sentChan)
for i := 0; i < msParams.numberOfSenders; i++ {
sender := newRepeatSender(msParams.messageSize, namespace, hubName, provider)
go sender.Run(runCtx, sentChan, errChan)
}
// Wait for a signal to quit:
signalChan := make(chan os.Signal, 1)
signal.Notify(signalChan, os.Interrupt, os.Kill)
count := 0
for {
select {
case <-signalChan:
log.Println("closing via OS signal...")
runCancel()
return
case err := <-errChan:
log.Error(err)
runCancel()
return
case _ = <-sentChan:
count++
if count%10000 == 0 {
log.Printf("Sent: %d", count)
}
}
}
},
}
)
func ensureProvisioned(ctx context.Context) (*eventhub.HubEntity, error) {
hm, err := eventhub.NewHubManagerFromConnectionString(connStr)
if err != nil {
return nil, err
}
hubs, err := hm.List(ctx)
if err != nil {
return nil, err
}
for _, hub := range hubs {
//fmt.Printf("%+v", hub)
if hub.Name == hubName {
return hub, nil
}
}
return hm.Put(ctx, hubName, eventhub.HubDescription{
PartitionCount: to.Int32Ptr(int32(msParams.partitionCount)),
})
}