Socket Io And Nodejs Chat Application Tutorial

Socket Io And Nodejs Chat Application Tutorial I don't know exactly what socket means. a server runs on a specific computer and has a socket that is bound to a specific port number. the server just waits, listening to the socket for a client to. An endpoint (socket) is defined by the combination of a network address and a port identifier. note that address port does not completely identify a socket (more on this later). the purpose of ports is to differentiate multiple endpoints on a given network address. you could say that a port is a virtualised endpoint.

Socket Io And Nodejs Chat Application Tutorial Socket programming is a kind of middleware, residing between the application layer and the tcp layer. it's able to carry anything present in the application layer; even http data. How can i authenticate a socket.io connection? my application uses a login endpoint from another server (python) to get a token, how can i get use that token whenever a user opens a socket connecti. 2 you have imported the socket module, so everything from that module that you use will have " socket. " in front of it. so socket.socket() means run the socket() function from the socket module. you have to write socket.af inet because af inet is also from the socket module, so this means get the af inet constant from the socket module. Are these 2 concepts refer to the same thing? do they have difference? in my opinion, they are different, and socket connection is based on tcp connection. a socket contains an ip address and port.

Socket Io And Nodejs Chat Application Tutorial 2 you have imported the socket module, so everything from that module that you use will have " socket. " in front of it. so socket.socket() means run the socket() function from the socket module. you have to write socket.af inet because af inet is also from the socket module, so this means get the af inet constant from the socket module. Are these 2 concepts refer to the same thing? do they have difference? in my opinion, they are different, and socket connection is based on tcp connection. a socket contains an ip address and port. The listen() function basically sets a flag in the internal socket structure marking the socket as a passive listening socket, one that you can call accept on. it opens the bound port so the socket can then start receiving connections from clients. the accept() function asks a listening socket to accept the next incoming connection and return a socket descriptor for that connection. so, in a. I am a bit confused by the cornucopia of related methods on the socket object that supposedly close and clean up a socket connection. consider the following: var socket = new socket(addressfamily. The socket.io module available for node.js can help a lot, but note that it is not a pure websocket module in its own right. it's actually a more generic communications module that can run on top of various other network protocols, including websockets, and flash sockets. 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,.