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hidden-bench.go
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hidden-bench.go
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/*
* Copyright (c) 2019-2021. Abstrium SAS <team (at) pydio.com>
* This file is part of Pydio Cells.
*
* Pydio Cells is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Pydio Cells is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Pydio Cells. If not, see <http://www.gnu.org/licenses/>.
*
* The latest code can be found at <https://pydio.com>.
*/
package cmd
import (
"crypto/rand"
"fmt"
"os"
"strconv"
"sync"
"sync/atomic"
"time"
"github.com/micro/go-micro/broker"
"github.com/spf13/cobra"
)
var (
benchSplit string
benchBytes int
)
// runCmd represents the run command
var benchBrokerCmd = &cobra.Command{
Use: "benchbroker",
Short: "Utilitary tool for publishing/subscribing to the broker",
Long: `#Dev #Experimental #DoNotUse`,
Hidden: true,
PreRun: func(cmd *cobra.Command, args []string) {
bindViperFlags(cmd.Flags(), map[string]string{})
},
Run: func(cmd *cobra.Command, args []string) {
// Initialise the default broker
handleBroker()
var count, count2, count3, count4, count5, count6 uint64
if benchSplit == "" || benchSplit == "sub" {
subDuration := 0 * time.Millisecond
broker.Subscribe("test", func(broker.Publication) error {
atomic.AddUint64(&count, 1)
<-time.After(subDuration)
return nil
})
broker.Subscribe("test", func(broker.Publication) error {
atomic.AddUint64(&count2, 1)
<-time.After(subDuration)
return nil
})
broker.Subscribe("test", func(broker.Publication) error {
atomic.AddUint64(&count3, 1)
<-time.After(subDuration)
return nil
})
broker.Subscribe("test", func(broker.Publication) error {
atomic.AddUint64(&count4, 1)
<-time.After(subDuration)
return nil
})
broker.Subscribe("test", func(broker.Publication) error {
atomic.AddUint64(&count5, 1)
<-time.After(subDuration)
return nil
})
broker.Subscribe("test", func(broker.Publication) error {
atomic.AddUint64(&count6, 1)
<-time.After(subDuration)
return nil
})
}
if benchSplit == "" || benchSplit == "pub" {
max, _ := strconv.Atoi(os.Getenv("NUM_GOROUTINES"))
wg := &sync.WaitGroup{}
wg.Add(max)
b, _ := GenerateRandomBytes(benchBytes)
for i := 0; i < max; i++ {
go func(i int) {
defer wg.Done()
err := broker.Publish("test", &broker.Message{Body: b})
if err != nil {
fmt.Println("Error publishing ", err)
}
}(i)
}
wg.Wait()
fmt.Println("Finished publishing", max)
<-time.After(10 * time.Second)
}
if benchSplit == "" {
//<-time.After(10 * time.Second)
fmt.Println("And the count we have is", count, count2, count3, count4, count5, count6)
} else if benchSplit == "sub" {
ticker := time.NewTicker(5 * time.Second)
for {
select {
case <-ticker.C:
fmt.Println("Current count", count, count2, count3, count4, count5, count6)
}
}
}
},
}
// GenerateRandomBytes returns securely generated random bytes.
// It will return an error if the system's secure random
// number generator fails to function correctly, in which
// case the caller should not continue.
func GenerateRandomBytes(n int) ([]byte, error) {
b := make([]byte, n)
_, err := rand.Read(b)
// Note that err == nil only if we read len(b) bytes.
if err != nil {
return nil, err
}
return b, nil
}
func init() {
addRegistryFlags(benchBrokerCmd.Flags())
benchBrokerCmd.Flags().StringVarP(&benchSplit, "split", "s", "", "Split publish and subscribes")
benchBrokerCmd.Flags().IntVarP(&benchBytes, "bytes", "b", 1000, "Number of bytes to send")
RootCmd.AddCommand(benchBrokerCmd)
}