webRTC（六），面试高频题目

logger.debug(‘the number of user in room is:’+users)

//处理一对一通信

if (users

//给本人回信息

socket.emit(‘joined’,room,socket.id);

if(users>1){

socket.to(room).emit(‘otherjoin’,room,socket.id);

}

}else{

socket.leave(room);

socket.emit(‘full’,room,socket.id);

}

//给本人回信息

//socket.emit(‘joined’,room,socket.id);

//给房间除自己以外所有人回

// socket.to(room).emit(‘joined’,room,socket.id);

//给房间所有人回

// io.in(room).emit(‘joined’,room,socket.id);

//除自己所有站点回

// socket.broadcast.emit(‘joined’,room,socket.id)

});

//用户离开

socket.on(‘leave’,(room)=>{

var myRoom = io.sockets.adapter.rooms[room];

var users =(myRoom)?Object.keys(myRoom.sockets).length:0;

//users-1

logger.debug(‘the number of user in room is:’+(users-1));

socket.to(room).emit(‘bye’,room,socket.id);

socket.emit(‘leaved’,room,socket.id);

//给本人回信息

//socket.emit(‘leaved’,room,socket.id);

//给房间除自己以外所有人回

//socket.to(room).emit(‘leaved’,room,socket.id)

//给房间所有人回

//io.in(room).emit(‘leaved’,room,socket.id);

//除自己所有站点回

//socket.broadcast.emit(‘leaved’,room,socket.id)

});

});

---

• 服务器全部代码

‘use strict’

var http = require(‘http’);

var https = require(‘https’);

var fs = require(‘fs’);

var express= require(‘express’);

var serveIndex=require(‘serve-index’);

var USERCOUNT=3;

//命令服务器

var socketIo =require(‘socket.io’);

var log4js = require(‘log4js’);

log4js.configure({

appenders:{

file:{

type:‘file’,

filename:‘app.log’,

layout:{

type:‘pattern’,

pattern:’%r %p - %m’,

}

}

},

categories:{

default:{

appenders:[‘file’],

level:‘debug’

}

}

});

var logger = log4js.getLogger();

var app=express();

app.use(serveIndex(’./public’));

app.use(express.static(’./public’));

//http server

var http_server=http.createServer(app);

//-----------------------------------------------------------------------//

var options={

key:fs.readFileSync(’./cert/3435783_huangxiaoguo.club.key’),

cert:fs.readFileSync(’./cert/3435783_huangxiaoguo.club.pem’)

}

//https server

var https_server=https.createServer(options,app);

//命令服务器绑定https

var io = socketIo.listen(https_server);

io.sockets.on(‘connection’,(socket)=>{

logger.debug(“connection”);

//转发信息

socket.on(‘message’, (room, data)=>{

logger.debug("message data “+socket.id+” "+room,data);

socket.to(room).emit(‘message’, room, socket.id, data)//房间内所有人,除自己外

});

//用户加入

socket.on(‘join’,(room)=>{

logger.debug(“join”,",room = “, room,”,socket.id = ", socket.id);

socket.join(room);

var myRoom = io.sockets.adapter.rooms[room];

var users =(myRoom)?Object.keys(myRoom.sockets).length:0;

logger.debug(‘the number of user in room is:’+users)

//处理一对一通信

if (users

//给本人回信息

socket.emit(‘joined’,room,socket.id);

if(users>1){

socket.to(room).emit(‘otherjoin’,room,socket.id);

}

}else{

socket.leave(room);

socket.emit(‘full’,room,socket.id);

}

//给本人回信息

//socket.emit(‘joined’,room,socket.id);

//给房间除自己以外所有人回

// socket.to(room).emit(‘joined’,room,socket.id);

//给房间所有人回

// io.in(room).emit(‘joined’,room,socket.id);

//除自己所有站点回

// socket.broadcast.emit(‘joined’,room,socket.id)

});

//用户离开

socket.on(‘leave’,(room)=>{

var myRoom = io.sockets.adapter.rooms[room];

var users =(myRoom)?Object.keys(myRoom.sockets).length:0;

//users-1

logger.debug(‘the number of user in room is:’+(users-1));

socket.to(room).emit(‘bye’,room,socket.id);

socket.emit(‘leaved’,room,socket.id);

//给本人回信息

//socket.emit(‘leaved’,room,socket.id);

//给房间除自己以外所有人回

//socket.to(room).emit(‘leaved’,room,socket.id)

//给房间所有人回

//io.in(room).emit(‘leaved’,room,socket.id);

//除自己所有站点回

//socket.broadcast.emit(‘leaved’,room,socket.id)

});

});

https_server.listen(443, ‘0.0.0.0’);

http_server.listen(80,‘0.0.0.0’);

---

利用socketio实现简单聊天室

---

• 页面

Chat Room

UserName:

尾声

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下面是有几位Android行业大佬对应上方技术点整理的一些进阶资料。有**Android架构视频+BATJ面试专题PDF+核心笔记等资料。希望能够帮助到大家提升技术。如果大家想要获取的话，可以私信我【666】免费获取哦**

[外链图片转存中…(img-vyKoKqP1-1644921132745)]