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udp-node-fisher

v1.0.4

Published

可靠UDP

Downloads

1

Readme

udp-node-fisher

介绍

主要针对lei-udp这个库重新用ts重写了一遍,优化了结构,修复了原有分包确认包action错误以及模拟丢包中重试部分没有模拟的问题。 这个库主要是对udp协议的封装,增加了udp自动分包,ping,可靠udp传输的功能。 ps:由于传输数据是协议格式,必须前后端都用这个库才可以。

更新列表

安装教程

npm i udp-node-fisher --save

使用说明

客户端使用

import { UDP } from "udp-node-fisher";
var udp_client = new UDP({});
udp_client.on('close', function () {
    console.log('udp client closed.')
})

//错误处理
udp_client.on('error', function () {
    console.log('some error on udp client.')
})

// 接收消息
udp_client.on('data', (rinfo,msg) => {
    // console.log(`receive message from ${rinfo.address}:${rinfo.port}:${msg}`);
    let param = JSON.parse(msg.toString());
    return param;
})

this._udp.send('127.0.0.1', 4000, {}, () => {
     //发送成功回调
});

this._udp.sendR('127.0.0.1', 4000, {}, () => {
     //服务器响应收到回调
});

服务端使用

//创建 udp server
this._server = new UDP({ port: port });
// 监听端口
this._server.on('listening', ()=>{

});

//接收消息
this._server.on('data', (linker,msg:Buffer)=>{
    let strmsg = msg.toString();
    let request: any;
    try {
        request = JSON.parse(strmsg);
    } catch (e) {
        console.error(`接收到错误数据${strmsg}-----来源${linkInfo.address}:${linkInfo.port}`);
        return;
    }
    console.log(`收到[${linkInfo.address}:${linkInfo.port}]:${strmsg}`);
});
//错误处理
this._server.on('error', (err)=>{
    
});