[英]socket.io - check if a client is in an specific room
我想檢查客戶是否訂閱了特定房間。 我有一個數組,用於保存套接字,並將用戶名作為索引。 我已經有一個if子句,但是它不起作用:
if(io.sockets.manager.rooms['/' + data.to].indexOf(users[partner].socket.id) >= 0) {
因此,也許有人擁有有效的代碼。
更新:代碼:
/* MYSQL SETUP HERE FOR CONNECTION */
var count = 0;
var messages = 0;
var users = {};
var io = require('socket.io')(3000);
io.sockets.on('connection', function(client) {
count++;
client.emit('send login');
client.on('login user',function (data) {
if(data.name in users) {
} else {
client.u_name = data.name;
client.u_id = data.id;
users[client.u_id] = {'name':client.username,'socket':client};
io.sockets.emit('online users', { 'count': count });
}
});
client.on('disconnect', function(){
count--;
delete users[client.username];
io.sockets.emit('online users', { 'count': count });
});
client.on('join',function(room){
client.join(room);
});
client.on('leave',function(room){
client.leave(room);
});
client.on('new message',function (data) {
if(client.u_id in users) {
connection.query('INSERT INTO chats_msg(u_from,chat_id,msg) VALUES(?,?,?)', [client.u_id,data.to,data.msg], function(err, rows, fields) {
if (err) console.log(colors.red('ERROR at Query'));
query('UPDATE chats SET last_msg=?,last_time=CURRENT_TIMESTAMP,last_from=? WHERE id=?',[data.msg,client.u_id,data.to]);
});
io.sockets.in(data.to).emit('message',{'msg':data.msg,'from':client.u_name});
connection.query('SELECT * FROM chats WHERE id=? LIMIT 1', data.to, function(err, rows, fields) {
if (err) console.log(colors.red('ERROR at QUERY'));
if(rows[0].u_1 == client.u_id) {
var partner = rows[0].u_2;
} else {
var partner = rows[0].u_1;
}
if(io.sockets.manager.rooms['/' + data.to].indexOf(users[partner].socket.id) >= 0) {
users[partner].socket.emit('error msg','New message');
} else {
users[partner].socket.emit('error msg','YEAHH');
}
});
messages++;
} else {
client.emit('error msg','Client or you are not online');
}
});
});
使用套接字ID,您可以執行以下操作:
io.sockets.adapter.sids[socket.id][roomname]
如果插座在室內,則為true;否則,則為undefined
(版本1.4.5)
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