In that case every socket in the room excluding the sender will get the event.
Socket io check if room exists.
Each socket in socket io is identified by a random unguessable unique identifier socket id for your convenience each socket automatically joins a room identified by its own id.
Socket io enables real time bidirectional and event based communication.
Chat app is a software that enables the messages to be sent and received.
What i do is to get the room based on the id of the socket i get all the clients inside the room and check if there is an user inside the room.
I have to check for now if my rooms are empty which is an hassle because io adapter rooms is an array of json meaning you have to count properties.
A client side library that runs in the browser and a server side library for node js.
What type of database is the best for storing array or object like data on hold database node js sockets.
The room is destroyed once.
A javascript library for real time web applications that enables real time bi directional communication between web clients and servers.
Ncacace i think your use case is a bit too specific to be implemented in socket io internals.
In this article i ll be showing you how to build a web chat application using react express socket io and node js.
With socket io 1 2 0 my empty rooms do get deleted automatically.
Redis would probably be fastest especially if you don t need a durability guarantee most of the game can be played out using redis in memory datastore which is probably gonna be faster than writing to any disk in the world.
When a client joins a room either the room exists or it has to be created.
Socket io is a real time application framework based on node js which has a wide range of applications including instant messaging notification and message push real time analysis and other scenarios.
It works on every platform browser or device focusing equally on reliability and speed.
No change on the client side.
Both components have nearly identical apis.
Socket io has two components.
Push data to clients that gets represented as real time counters charts or logs.
In socket io 2 every user socket create room with the name as the socket id.
The room can be specified by a specific chat id or a meeting id.
To leave a channel you call leave in the same fashion as join both methods are asynchronous and accept a callback argument.