gobeanstalk

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介绍

beanstalkd是一个快速的、有各种用途的延迟队列 和定时任务的不同点: 定时任务以一定的周期或者在某个特定的时间运行。beanstalk可以在延迟一段时间执行。 一些使用场景:

• 用户下单5分钟后检查用户是否完成了支付
• 一分钟后开始一个新的程序

如何使用

Mac&Linux

安装并启动beantalkd服务器

git clone https://github.com/kr/beanstalkd
cd beanstalkd
make
./beanstalkd

使用示例

go get github.com/liuzhengyang/gobeanstalk

create a test.go file

package main

import (
    "fmt"
    "github.com/liuzhengyang/gobeanstalk"
)

func main() {
    addr := "localhost:11300"  // define server address
    newConn := gobeanstalk.NewConnection(addr)   // create new connection
    channel := make(chan int)   // create int channel
    putFunc := func() {
        // define a function which put some message to one tube
        id, _ := newConn.PutWithTube("hello", "test2", 1)
        channel <- id
    }
    go putFunc()   // run previous function in a go-routine
    id := <-channel  // wait until we finish putting
    fmt.Printf("Receive from channel message of another goroutine %d\n", id)
    listenChannel := make(chan string)  // make a listen channel for receiving results
    dealFunc := func(body string) bool {
        // define a function to deal with tube messages
        fmt.Printf("receive %s\n", body)
        listenChannel <- body
        return true
    }
    go newConn.Listen("test2", dealFunc)  // run deal function in a specified go-routing
    body := <-listenChannel     // wait our message
    fmt.Printf("Listen once %s\n", body)
    newConn.Close()   // Close connection
}

And run this

go run test.go