NodeJs tcp 套接字接收块答案

【问题标题】：NodeJs tcp socket receive chunkNodeJs tcp 套接字接收块
【发布时间】：2021-01-14 16:37:28
【问题描述】：

const net = require('net')
const sockets = []
server.on('connection', sock => {
 log("tcp_server", "info", `Connected at ${sock.remoteAddress}:${sock.remotePort}`)

 sockets.push(sock);
    
 // Write the data back to all the connected, the client will receive it as data from the server
 sockets.forEach((sock, index, array) => {
             
 })




sock.on('data', data => {




})

// Add a 'close' event handler to this instance of socket
sock.on('close', data => {

})  // end sock.on
})  


 
server.listen(conf.port, conf.serverHost, () => {
    const address = server.address()
    const port = address.port
    const family = address.family
    const ipaddr = address.address
    
    log("tcp_server", "info", 'Server is listening at port ' + port)
    log("tcp_server", "info", 'Server ip :' + ipaddr)
    log("tcp_server", "info", 'Server is IP4/IP6 : ' + family)
})

这是我的套接字 tcp 服务器我遇到了在c#中接收块数据的问题，如果我知道它的大小，它很容易接收每个块我可以控制每次接收多少字节

现在在 NodeJs 中，我可以通过获取前 5 个字节来获取缓冲区长度然后获取消息的大小

var size = (buff[1] << 24) | (buff[2] << 16) | (buff[3] << 8) | buff[4];

我尝试了这个简单的代码来获取块数据并处理它

首先我在顶部定义一个缓冲区

var mybuffer = Buffer.alloc(30);
var length = 0;
 

sock.on('data', data => {


data.copy(mybuffer, length , 0, data.length); //copy buffer to mybuffer
length += data.length;

//now check if my length is 5 or greater i can determine the buffer size i sent
 size = (buff[1] << 24) | (buff[2] << 16) | (buff[3] << 8) | buff[4];

 //now need to continue receive until i reach (size - length) = total bytes i sent

})

这是我尝试接收所有块但仍需要更多工作任何想法如何接收所有数据取决于我在每条消息的前 5 个字节上发送的大小

【问题讨论】：

标签： node.js

【解决方案1】：

我找到了这个代码easysocket！类似于我想要的，我只是对代码进行了简单的编辑，它的工作就像魅力一样

【讨论】：