I’m trying to get a list of all the sockets/clients that are currently connected. io.sockets does not return an array, unfortunately. I know I could keep my own list using an array, but don’t think this is an optimal solution for 2 reasons: Redundancy. Socket.IO already keeps a copy of this list. Socket.IO provides method … Read more
[add] So my next problem is that when i try adding a new dependence (npm install –save socket.io). The JSON file is also valid. I get this error: Failed to parse json npm ERR! Unexpected string npm ERR! File: /Users/John/package.json npm ERR! Failed to parse package.json data. npm ERR! package.json must be actual JSON, not … Read more
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I’m working with socket.io and node.js and until now it seems pretty good, but I don’t know how to send a message from the server to an specific client, something like this: client.send(message, receiverSessionId) But neither the .send() nor the .broadcast() methods seem to supply my need. What I have found as a possible solution, … Read more
To send something to all clients, you use: io.sockets.emit(‘response’, data); To receive from clients, you use: socket.on(‘cursor’, function(data) { … }); How can I combine the two so that when recieving a message on the server from a client, I send that message to all users except the one sending the message? socket.on(‘cursor’, function(data) { … Read more
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Stack Overflow. Closed 5 years ago. Improve this question Currently there is a plethora of websocket libraries for node.js, the most popular seem to be: https://github.com/Worlize/WebSocket-Node https://github.com/einaros/ws https://github.com/LearnBoost/engine.io … Read more
What are the differences between socket.io and websockets in node.js? Are they both server push technologies? The only differences I felt was, socket.io allowed me to send/emit messages by specifying an event name. In the case of socket.io a message from server will reach on all clients, but for the same in websockets I was … Read more
