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Package no longer supported. Use *wire.io* package instead

Client2client.io

A web client to client communication channel that mimic WAMP protocol. You can pub/sub event and make RPC calls. Way mush simpler and light than Autobahn and don't need a fat router when you need something less powerfull. It based on venerable and very usefull socket.io.

Compatible with 2.X and 3.X version of socket.io.

Installation

npm install client2client.io

Usage

Client2client rely on socket.io on server and client.

Serve side code

import express from 'express';
import { handleC2C } from 'client2client';

var app = express();
var http = require('http').createServer(app);
var io = require('socket.io')(http);

const port = process.env.PORT || 4000;

http.listen(port, () => {
  console.log(`listening on *:${port}`);
});

io.on('connection', (socket) => {
  const options = { // This are defaults
    log: console.log;
    logPrefix = '[c2c]'
  }
  handleC2C(socket, options); // Option is optionnal
});

Client side code

import io from 'socket.io-client';

const socket = io.connect("<socket server url>", {
      'reconnection delay': 0,
      'reopen delay': 0,
      forceNew: true,
    });

// Create room object
const room = await join({
  socket: socket, // Socket io socket object
  room: 'test', // Room name
  onJoined = (room) => { // Callback when room is joined (Optionnal)
    console.log("Connected to client2client server with id ", room.userId);
  },
  onMaster = (room) => { // Callback if the user is the room master i.e. the first user (on next if first quit). (Optionnal)
    console.log("You are now master of the room");
  },
  userId: "myuserid" // To force user id (Optionnal)
});

API

All calls are client side. Since you have the room instance you can comunicate with other client with this API.

.publish("eventName", params, self=false)

Send an event to all other clients in room. Also to self if true. params can be any js type that is serializable.

.subsribe("eventName", callback) -> unsubscribe callback

Subscribe the callback to an event. The callback receive the params data if any.

.register("functionName", callback) -> unregister callback

Register a function to be called by other clients. If any client use .call with the same function name, the callback will be called with the given parameters.

.call("functionName", params) -> call result

Call a previously registered function. Return the call result.

Dev installation

First install dependencies:

npm ci

Start the server in watch mode:

npm run dev

Then run tests:

npm test