https://github.com/kunaltaitkar/goworkerpool

go pool of concurrent workers with the ability to add / kill workers on demand
https://github.com/kunaltaitkar/goworkerpool

channels concurrency go golang goroutines workerpool

Last synced: 4 months ago
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go pool of concurrent workers with the ability to add / kill workers on demand

• Host: GitHub
• URL: https://github.com/kunaltaitkar/goworkerpool
• Owner: kunaltaitkar
• Created: 2019-10-06T16:49:14.000Z (over 6 years ago)
• Default Branch: master
• Last Pushed: 2020-01-28T17:12:26.000Z (over 6 years ago)
• Last Synced: 2024-06-20T03:29:09.306Z (almost 2 years ago)
• Topics: channels, concurrency, go, golang, goroutines, workerpool
• Language: Go
• Homepage:
• Size: 7.81 KB
• Stars: 2
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          
**Workerpool-withCancellableContext**

```

package main

import (

	"fmt"

	"goworkerpool/workerpool"

	"sync"

	"time"

)

var count int

var countMutex = &sync.Mutex{}

func main() {

	count = 0

	// preparing tasks

	tasks := []*workerpool.Task{}

	for index := 0; index < 1000; index++ {

		tasks = append(tasks, workerpool.NewTask(index, incrementCount))

	}

	//initialize pool

	pool := workerpool.NewPoolWithContext(tasks, 10)

	// to check count value

	ticker := time.NewTicker(1 * time.Millisecond)

	// cancel all workers when count is more than 500

	go func() {

		for range ticker.C {

			if count > 500 {

				fmt.Println("cancelling tasks...")

				pool.Cancel()

				return

			}

		}

	}()

	// run pool

	pool.Run()

	time.Sleep(10 * time.Second)

}

//incrementCount- increment count by 1

func incrementCount(data interface{}) error {

	countMutex.Lock()

	count++

	countMutex.Unlock()

	return nil

}

```