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runner.go
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runner.go
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package client
import (
"context"
"fmt"
"log"
"sync"
"time"
"github.com/viant/gmetric"
"github.com/viant/mly/service/endpoint/checker"
"github.com/viant/mly/shared/client"
"github.com/viant/mly/shared/common"
"github.com/viant/mly/shared/common/storable"
"github.com/viant/toolbox"
)
// Use CustomMakerRegistry with --maker to use a specific entity for Response.Data.
var CustomMakerRegistry *customMakerRegistry = new(customMakerRegistry)
func RunWithOptions(runOpts *Options) error {
runOpts.Init()
if err := runOpts.Validate(); err != nil {
return err
}
if runOpts.Model == "" {
return fmt.Errorf("could not determine model")
}
payloads, err := runOpts.Payloads()
if err != nil {
return err
}
if runOpts.Debug {
fmt.Printf("payloads:%v\n", payloads)
}
gm := gmetric.New()
cliOpts := []client.Option{
client.WithDebug(runOpts.Debug),
client.WithGmetrics(gm),
}
if runOpts.CacheMB > 0 {
cliOpts = append(cliOpts, client.WithCacheSize(runOpts.CacheMB))
}
if !runOpts.NoHashCheck {
cliOpts = append(cliOpts, client.WithHashValidation(true))
}
cli, err := client.New(runOpts.Model, runOpts.Hosts(), cliOpts...)
if err != nil {
return err
}
if runOpts.PayloadDelay > 0 {
time.Sleep(time.Duration(runOpts.PayloadDelay) * time.Second)
}
storableSrv := storable.Singleton()
var maker func(int) func() common.Storable
storableMaker, err := storableSrv.Lookup(runOpts.Storable)
if err != nil {
if runOpts.Debug {
log.Printf("could not find Storable:\"%s\", building dynamically", runOpts.Storable)
}
maker = func(batch int) func() common.Storable {
return checker.Generated(cli.Config.Datastore.MetaInput.Outputs, batch, false)
}
err = nil
} else {
maker = func(int) func() common.Storable {
return storableMaker
}
}
// wrap return value to interface{}
dataSetter := func(i int) func() interface{} {
return func() interface{} {
return maker(i)()
}
}
if runOpts.CustomMaker != "" {
custom, ok := CustomMakerRegistry.registry[runOpts.CustomMaker]
if !ok {
if runOpts.Debug {
fmt.Printf("no such custom maker:\"%s\"\n", runOpts.CustomMaker)
}
} else {
dataSetter = func(int) func() interface{} { return custom }
}
}
lenPayloads := len(payloads)
fullyCompleted := new(sync.WaitGroup)
fullyCompleted.Add(lenPayloads * runOpts.Repeats)
fchan := make(chan runContext, 1)
closed := make(chan struct{}, 1)
numWorkers := runOpts.Workers
var echan chan error
if !runOpts.SkipError {
echan = make(chan error, numWorkers)
}
concurrency := runOpts.Concurrent
for w := 0; w < numWorkers; w++ {
go worker(w, echan, fchan, closed, concurrency, fullyCompleted)
}
report := Report{
Start: time.Now(),
Runs: make([]RepeatSet, runOpts.Repeats),
}
pause := time.Duration(runOpts.PayloadPause)
for r := 0; r < runOpts.Repeats; r++ {
report.Runs[r] = RepeatSet{r, make([]WorkerPayload, lenPayloads)}
rs := &report.Runs[r]
for i, pload := range payloads {
rs.WPayloads[i] = WorkerPayload{Payload: pload}
rd := &rs.WPayloads[i]
payloadedRunner := makePayloadRunner(cli, pload, runOpts, dataSetter)
fchan <- runContext{
WP: rd,
Fn: payloadedRunner,
}
if echan != nil {
select {
case err = <-echan:
return err
default:
}
}
if i < lenPayloads-1 && pause > 0 {
time.Sleep(pause * time.Second)
}
}
}
if echan != nil {
waitErr := make(chan struct{}, 0)
go func() {
fullyCompleted.Wait()
waitErr <- struct{}{}
}()
select {
case err = <-echan:
return err
case <-waitErr:
}
} else {
fullyCompleted.Wait()
}
for w := 0; w < numWorkers; w++ {
closed <- struct{}{}
}
cli.Close()
report.End = time.Now()
opcs := gm.OperationCounters()
report.Metrics = opcs
if runOpts.Metrics {
toolbox.Dump(opcs)
}
if runOpts.ErrorHistory {
tops := cli.ErrorHistory.TopK()
for _, t := range tops {
fmt.Printf("%d %s\n", t.Count, string(t.Data))
}
}
if runOpts.Report {
toolbox.Dump(report)
}
return err
}
type runContext struct {
WP *WorkerPayload
Fn func() (*client.Response, error)
}
func worker(worker int, echan chan error, fchan chan runContext, closed chan struct{},
concurrency int, allDone *sync.WaitGroup) {
for {
select {
case rc := <-fchan:
wg := new(sync.WaitGroup)
wg.Add(concurrency)
wp := rc.WP
wp.Worker = worker
wp.Runs = make([]WPRun, concurrency)
payloadedRunner := rc.Fn
for wi := 0; wi < concurrency; wi++ {
go func(wi int) {
resp, err := payloadedRunner()
if echan != nil && err != nil {
echan <- err
}
wp.Runs[wi] = WPRun{resp, err}
wg.Done()
}(wi)
}
wg.Wait()
allDone.Done()
case <-closed:
break
}
}
}
func makePayloadRunner(cli *client.Service, pl *CliPayload, runOpts *Options,
builder func(int) func() interface{}) func() (*client.Response, error) {
maker := builder(pl.Batch)
return func() (*client.Response, error) {
message := cli.NewMessage()
pl.SetBatch(message)
pl.Iterator(func(k string, value interface{}) error {
return pl.Bind(k, value, message)
})
response := &client.Response{}
response.Data = maker()
ctx := context.Background()
cancel := func() {}
if runOpts.TimeoutUs > 0 {
ctx, cancel = context.WithTimeout(ctx, time.Duration(runOpts.TimeoutUs)*time.Microsecond)
}
err := cli.Run(ctx, message, response)
cancel()
if err != nil {
return nil, err
}
if !runOpts.NoOutput {
toolbox.Dump(response)
}
return response, nil
}
}