与节点的套接字断开连接

Question

如何找到与我的会话连接的套接字？我在我的node.js服务器端js的“授权”事件中获得了会话。现在我想在我的“注销”请求中断开套接字，但它对我不起作用。这是我的代码。

var express = require('express'), 
    redis = require('redis'), 
    RedisStore = require('connect-redis')(express), 
    store = new RedisStore({ host: '127.0.0.1', port: 6379 }), 
    parseCookie = express.cookieParser(secretkey); 

var app = express(); 
var server = require("http").createServer(app), 
    io = require("socket.io").listen(server, { log: false }), 

app.use(express.cookieParser()); 
app.use(express.session({ secret: secretkey, key: 'express.sid', store: store, cookie: { maxAge: 3600000 } })); 
app.use(express.methodOverride()); 

io.set('authorization', function (handshakeData, callback) { 
    if (handshakeData.headers.cookie) { 
     parseCookie(handshakeData, null, function(err) { 
      handshakeData.sessionID = handshakeData.signedCookies['express.sid']; 
      //or if you don't have signed cookies 
      //handshakeData.sessionID = handshakeData.cookies['express.sid']; 

      console.log('manish in parseCookie 2 ' + handshakeData.sessionID + ', ' + ioClient); 
      store.get(handshakeData.sessionID, function (err, session) { 
       console.log('getting result ' + err + ', ' + session); 
       if (err || !session) { 
        // if we cannot grab a session, turn down the connection 
        callback('Session not found.', false); 
       } else { 
        //console.log('getting connection ' + session); 
        // save the session data and accept the connection 
        handshakeData.session = session; 
        callback(null, true); 
       } 
      }); 
     }); 
    } else { 
     return callback('No cookie transmitted.', false); 
    } 
    //callback(null, true); 
}); 

io.sockets.on('connection', function(socket) { 
    console.log('A socket with sessionID ' + socket.handshake.sessionID + ' connected!'); 
    socket.on('disconnect', function() { 
     console.log('socket.on.disconnect ' + socket.handshake.sessionID); 
    }); 
    socket.on('error', function(err) { 
     if(err === 'handshake error') { 
      console.log('handshake error', err); 
     } else { 
      console.log('io error', err); 
     } 
    });  

    socket.on('message', function(data) { 
     console.log('messege received on server is "' + data + '"'); 
    }); 

}); 

现在当用户单击注销时，我想断开与此方法的套接字;

app.post('/logout', function (req, res) { 
    try { 
     //here is my database logic 
     //And here I want to disconnect socket, 
     io.sockets.socket(req.session.id).disconnect(); 
    } 
    catch (err) { nodeUtil.errorLog2(res, 'trycatch', 6, err, 'app.js', 'logout'); } 
}); 

这不会触发任何错误，也不会进入socket.on（“断开连接”）事件。那么我该怎么做？

Answer 1

嗯..试试这个

io.sockets.socket(socket.id).emit('disconnect')