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46 lines
1.0 KiB
JavaScript
46 lines
1.0 KiB
JavaScript
/**
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* 文件：base/tcp1/tcp1.js
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* 作者：alwxkxk
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* 修改时间：2018/10/07
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* 描述：
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* 只是单纯地开启TCP服务器 9001端口：
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* 建立连接时返回：`${client addr} connected.\n`
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* 接收数据返回：`${client addr} receive:${data}`
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* 整个教程在不断迭代更新中：https://github.com/alwxkxk/soft-and-hard
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*/
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const net = require('net')
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const PORT = "9001"
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const server = net.createServer((socket)=>{
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//connect
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let addr = socket.address().address + ':' + socket.address().port
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let welcome = addr + ' connected.\n'
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socket.write(welcome, 'ascii')
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// recieve data
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socket.on("data",data=>{
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let str = addr+" receive: " + data.toString('ascii') + '\n'
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console.log(str)
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socket.write(str, 'ascii')
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})
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// close
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socket.on('close',()=>{
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console.log(addr,"close")
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})
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socket.on('error',(err)=>{
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console.log("error",err)
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})
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})
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server.on("error",(err)=>{
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console.log(err)
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})
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server.listen({port: PORT,host: '0.0.0.0'}, () => {
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console.log('tcp1 server running on', server.address())
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})
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