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controller.go
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controller.go
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package controller
import (
"context"
fcom "github.com/meshplus/hyperbench-common/common"
"github.com/spf13/viper"
"sync"
"time"
"github.com/meshplus/hyperbench/core/collector"
"github.com/meshplus/hyperbench/core/controller/master"
"github.com/meshplus/hyperbench/core/controller/worker"
"github.com/meshplus/hyperbench/core/recorder"
"github.com/op/go-logging"
"github.com/pkg/errors"
)
// Controller is the controller of job
type Controller interface {
// Prepare prepare
Prepare() error
Run() error
}
type workerClient struct {
worker worker.Worker
finished bool // check worker finied work
}
// ControllerImpl is the implement of Controller
type ControllerImpl struct {
master master.Master
workerClients []*workerClient
recorder recorder.Recorder
reportChan chan fcom.Report
curCollector collector.Collector
sumCollector collector.Collector
logger *logging.Logger
start int64
end int64
}
// NewController create Controller.
func NewController() (Controller, error) {
m, err := master.NewLocalMaster()
if err != nil {
return nil, errors.Wrap(err, "can not create master")
}
ws, err := worker.NewWorkers()
if err != nil {
return nil, errors.Wrap(err, "can not create workers")
}
var workerClients []*workerClient
for i := 0; i < len(ws); i++ {
workerClients = append(workerClients, &workerClient{
ws[i],
false,
})
}
r := recorder.NewRecorder()
return &ControllerImpl{
master: m,
workerClients: workerClients,
//finishedWorker:syncMap,
recorder: r,
logger: fcom.GetLogger("ctrl"),
curCollector: collector.NewTDigestSummaryCollector(),
sumCollector: collector.NewTDigestSummaryCollector(),
reportChan: make(chan fcom.Report),
}, nil
}
// Prepare prepare for job
func (l *ControllerImpl) Prepare() (err error) {
defer func() {
// if preparation is failed, then just teardown all workers
// to avoid that worker is occupied
if err != nil {
l.teardownWorkers()
}
}()
l.logger.Notice("ready to prepare")
err = l.master.Prepare()
if err != nil {
return errors.Wrap(err, "master is not ready")
}
l.logger.Notice("ready to get context")
bsCtx, err := l.master.GetContext()
if err != nil {
return errors.Wrap(err, "can not get context")
}
l.logger.Noticef("ctx: %s", string(bsCtx))
l.logger.Notice("ready to set context")
// must ensure all workers ready
for _, w := range l.workerClients {
err = w.worker.SetContext(bsCtx)
if err != nil {
return errors.Wrap(err, "can not set context")
}
}
return nil
}
// Run start the job
func (l *ControllerImpl) Run() (err error) {
defer l.teardownWorkers()
// beforeRun
for _, w := range l.workerClients {
w.worker.BeforeRun()
}
// run all workers
duration := viper.GetDuration(fcom.EngineDurationPath)
l.start = time.Now().UnixNano()
tick := time.NewTicker(duration)
go func() {
for {
<-tick.C
l.end, err = l.master.LogStatus()
if err != nil {
l.logger.Error(err)
}
tick.Stop()
}
}()
for _, w := range l.workerClients {
// nolint
go w.worker.Do()
}
// get response
go l.asyncGetAllResponse()
for report := range l.reportChan {
l.recorder.Process(report)
}
l.recorder.Release()
// afterRun
for _, w := range l.workerClients {
w.worker.AfterRun()
}
sd, err := l.master.Statistic(l.start, l.end)
if err != nil {
l.logger.Notice(err)
}
if err == nil {
totalSent, totalMissed := int64(0), int64(0)
for _, w := range l.workerClients {
sent, missed := w.worker.Statistics()
totalSent += sent
totalMissed += missed
}
sd.MissedTx = totalMissed
sd.SentTx = totalSent
sd.Tps = float64(totalSent) * 1e9 / float64(duration)
l.logStatisticData(sd)
}
l.logger.Notice("finish")
return nil
}
func (l *ControllerImpl) logStatisticData(sd *fcom.RemoteStatistic) {
l.logger.Notice("")
l.logger.Notice("\t\tSent\t\tMissed\t\tTotal\t\tTps")
l.logger.Noticef("\t\t%v\t\t%v\t\t%v\t\t%.1f", sd.SentTx, sd.MissedTx, sd.SentTx+sd.MissedTx, sd.Tps)
l.logger.Notice("")
l.logger.Notice(" From \t To \tBlk\tTx\tCTps\tBps")
l.logger.Noticef("%s\t%s\t%v\t%v\t%.1f\t%.1f",
time.Unix(0, sd.Start).Format("2006-01-02 15:04:05"),
time.Unix(0, sd.End).Format("2006-01-02 15:04:05"),
sd.BlockNum,
sd.TxNum,
sd.CTps,
sd.Bps,
)
l.logger.Notice("")
}
func (l *ControllerImpl) asyncGetAllResponse() {
workerNum := len(l.workerClients)
output := make(chan collector.Collector, workerNum)
close(output)
time.Sleep(200 * time.Millisecond)
l.curCollector.Reset()
l.sumCollector.Reset()
tick := time.NewTicker(10 * time.Second)
ctx, cancel := context.WithCancel(context.Background())
var finishWg sync.WaitGroup
finishWg.Add(workerNum)
go func() {
finishWg.Wait()
l.logger.Notice("cancel")
cancel()
}()
for {
select {
case <-tick.C:
// get process all value
var wg sync.WaitGroup
wg.Add(workerNum)
output = make(chan collector.Collector, workerNum)
for _, w := range l.workerClients {
go l.getWorkerResponse(w, &wg, &finishWg, output)
}
wg.Wait()
//l.logger.Notice("====got")
close(output)
for col := range output {
_ = l.curCollector.MergeC(col)
_ = l.sumCollector.MergeC(col)
}
l.report()
case <-ctx.Done():
//l.logger.Notice("====ctx.done")
close(l.reportChan)
return
}
}
}
func (l *ControllerImpl) report() {
report := fcom.Report{
Cur: l.curCollector.Get(),
Sum: l.sumCollector.Get(),
}
l.reportChan <- report
l.curCollector.Reset()
}
func (l *ControllerImpl) getWorkerResponse(w *workerClient, batchWg *sync.WaitGroup, finishWg *sync.WaitGroup, output chan collector.Collector) {
if w.finished {
batchWg.Done()
return
}
col, valid, err := w.worker.CheckoutCollector()
if err != nil {
l.logger.Error(err)
batchWg.Done()
return
}
if !valid {
w.finished = true
l.logger.Notice("finishWg done")
finishWg.Done()
batchWg.Done()
return
}
output <- col
batchWg.Done()
}
func (l *ControllerImpl) teardownWorkers() {
for _, w := range l.workerClients {
w.worker.Teardown()
}
}