Javascript socket.io和socket.io-redis:获取房间中的所有套接字对象
我想检索房间中连接的服务器端所有插座 我发现方法Javascript socket.io和socket.io-redis:获取房间中的所有套接字对象,javascript,node.js,websocket,socket.io,socket.io-redis,Javascript,Node.js,Websocket,Socket.io,Socket.io Redis,我想检索房间中连接的服务器端所有插座 我发现方法clients如果在中的方法之后链接,则返回房间中连接的所有插座: import * as express from 'express'; import * as SocketIO from 'socket.io'; import * as redisSocket from 'socket.io-redis'; import * as sharedsession from 'express-socket.io-session'; const ap
clients
如果在中的方法之后链接,则返回房间中连接的所有插座:
import * as express from 'express';
import * as SocketIO from 'socket.io';
import * as redisSocket from 'socket.io-redis';
import * as sharedsession from 'express-socket.io-session';
const app = express();
const redisOption = {port: 6379, host: 'XXX'};
// use the RedisStore as express session
const session = session({
name: 'SESSIONID',
store: new RedisStore(redisOption),
secret: 'Ashg8hV77bxFeyLVec',
resave: false,
saveUninitialized: false
});
app.use(session);
// start express server
const httpServer = app.listen(80);
// attach the express app to socket.io server
const socketServer = SocketIO(httpServer, { path: '/api/socket.io', origins: '*:*' });
// set redis as socket adpter for multi instance/nodes
socketServer.adapter(redisSocket(redisOption));
// share the express session with socket.io
socketServer.use(sharedsession(session, {autoSave: true}));
// get all client in a room
socketServer.in(room_id).clients((err, clients) => {
for (let i = 0, e = clients.length; i < e; i++) {
const client = clients[i];
console.log(client); // print the socket id
// HOW RETRIVE THE SOCKET OBJECT???
}
});
从“express”导入*为express;
从“socket.io”导入*作为SocketIO;
从“socket.io redis”导入*作为redisocket;
从“express socket.io session”导入*作为sharedsession;
常量app=express();
const redisOption={端口:6379,主机:'XXX'};
//将Redistore用作express会话
const session=会话({
名称:'SESSIONID',
商店:新的RedisStore(redisOption),
秘密:“Ashg8hV77bxFeyLVec”,
resave:false,
saveUninitialized:false
});
应用程序使用(会话);
//启动express服务器
const httpServer=app.listen(80);
//将express应用程序连接到socket.io服务器
const socketServer=SocketIO(httpServer,{path:'/api/socket.io',origins:'*:*'});
//将redis设置为多实例/节点的套接字适配器
适配器(redisSocket(redisOption));
//与socket.io共享express会话
use(sharedsession(session,{autoSave:true}));
//把所有客户都安排在一个房间里
socketServer.in(房间id).clients((错误,客户端)=>{
for(设i=0,e=clients.length;i
但我需要检索所有套接字会话/握手
是否有一种方法可以检索所有套接字会话/握手
旁注:socket服务器是带有socket.io redis的多实例/节点
- socket.io:2.3.0
- socket.io-redis:5.2.0
对象键(io.sockets.sockets);它提供房间中所有连接的套接字。我不确定下面的代码是否有效,但我认为通过使用socket.io-redis提供的customHook,我们可以获得基于redis的多节点socket.handshake.session
我希望下面的代码有帮助
// get all client in a room
socketServer.in(room_id).clients((err, clients) => {
for (let i = 0, e = clients.length; i < e; i++) {
const client = clients[i];
console.log(client); // print the socket id
// HOW RETRIVE THE SOCKET OBJECT???
}
});
// set root namespace
const rootNamespace = socketServer.of('/');
// define customHook
rootNamespace.adapter.customHook = (request, cb) => {
// every socket.io server execute below, when customRequest requested
const type = request.type;
if(type === 'getHandShakeSession'){
// get all socket objects on local socket.io server
const sockets = rootNamespace.connected;
const socketIDs = Object.keys(sockets);
// get all socket.handshak.session array on local socket.io server
const sessions = socketIDs.map(socketID => sockets[socketID].handshake.session);
cb(sessions)
}
cb()
}
// request customRequest
rootNamespace.adapter.customRequest({type:'getHandShakeSession'},(err,replies) => {
//replies are array which element was pushed by cb(element) on individual socket.io server
//remove empty reply
const filtered = replies.filter(reply => reply !== undefined)
// filtered seems like [[session1,session2,...],[sesssion3,session4,...],..]
console.log(filtered)
} )
//在一个房间中获取所有客户端
socketServer.in(房间id).clients((错误,客户端)=>{
for(设i=0,e=clients.length;i{
//当customRequest请求时,每个socket.io服务器都会执行以下命令
const type=request.type;
如果(类型=='getHandShakeSession'){
//获取本地socket.io服务器上的所有套接字对象
const sockets=rootNamespace.connected;
const socketIDs=Object.key(套接字);
//获取本地socket.io服务器上的所有socket.handshak.session数组
const sessions=socketIDs.map(socketID=>sockets[socketID].handshake.session);
cb(会议)
}
cb()
}
//请求定制请求
rootNamespace.adapter.customRequest({type:'getHandShakeSession'},(错误,回复)=>{
//回复是由单个socket.io服务器上的cb(元素)推送的数组
//删除空回复
const filtered=回复。过滤器(回复=>回复!==未定义)
//过滤后的内容类似于[[session1,session2,…],[Session3,session4,…],]
console.log(已过滤)
} )
>此链接对您有用吗?此链接仅适用于当前节点,问题是适用于多节点。