websocket bench for sockjs

Nodejs cli tool for benchmarking websocket servers. It supports sockjs.

Installation

npm install -g websocket-bench-sockjs

Running Tests/Linting

First Install required dev-dependencies npm install Run Gulp Build Tool gulp mocha

Usage

Tip: You may find it useful to increase the maximum number of open file descriptors on your system during testing:

ulimit -n 60000

Simple example:

websocket-bench-sockjs -a 20000 -c 2000 --ramp=200 -g ./src/resources/scenarios/auth-0001.js http://localhost:8000/realtime

command help

Usage: websocket-bench-sockjs [options] <server>

Options:

  -h, --help               Output usage information
  -V, --version            Output the version number
  -a, --amount <n>         Total number of persistent connection, Default to 100
  -w, --worker-ramp <n>    Worker ramp in ms, Default to 5
  -r, --request-ramp <n>   Request ramp in ms, Default to 5
  -W, --worker <n>         Number of worker(s)
  -g, --generator <file>   Js file for generate message or special event
  -o, --output <output>    Output file
  -v, --verbose            Verbose Logging

Benchmark message

For benchmark message or more advanced connection you should provide your own generator

generator structure :

    module.exports = {
       /**
        * Before connection (optional, just for faye)
        * @param {client} client connection
        */
       beforeConnect : function(client) {
         // Do something
       },

       /**
        * On client connection (required)
        * @param {client} client connection
        * @param {done} callback function(err) {}
        */
       onConnect : function(client, done) {
         // client.send('Sailing the seas of cheese');

         done();
       },

    };

See also french article from origin code base :

• Benchmarking websockets avec Node.Js