Nodejs cli tool for benchmarking websocket servers. Currently supports:
npm install -g websocket-bench
First Install required dev-dependencies npm install
Run Gulp Build Tool gulp mocha
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 (using Socket.IO by default):
websocket-bench -a 2500 -c 200 http://localhost:3000
Simple example (using Primus):
websocket-bench -t primus ws://localhost:8080
command help
Usage: websocket-bench [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
-c, --concurency <n> Concurent connection per second, Default to 20
-w, --worker <n> Number of worker(s)
-g, --generator <file> Js file for generate message or special event
-m, --message <n> Number of message for a client. Default to 0
-o, --output <output> Output file
-t, --type <type> Type of websocket server to bench(socket.io, engine.io, faye, primus, wamp). Default to socket.io
-p, --transport <type> Type of transport to websocket(engine.io, websockets, browserchannel, sockjs, socket.io). Default to websockets (Just for Primus)
-k, --keep-alive Keep alive connection
-v, --verbose Verbose Logging
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) {
// Example:
// client.setHeader('Authorization', 'OAuth abcd-1234');
// client.disable('websocket');
},
/**
* On client connection (required)
* @param {client} client connection
* @param {done} callback function(err) {}
*/
onConnect : function(client, done) {
// Faye client
// client.subscribe('/channel', function(message) { });
// Socket.io client
// client.emit('test', { hello: 'world' });
// Primus client
// client.write('Sailing the seas of cheese');
// WAMP session
// client.subscribe('com.myapp.hello').then(function(args) { });
done();
},
/**
* Send a message (required)
* @param {client} client connection
* @param {done} callback function(err) {}
*/
sendMessage : function(client, done) {
// Example:
// client.emit('test', { hello: 'world' });
// client.publish('/test', { hello: 'world' });
// client.call('com.myapp.add2', [2, 3]).then(function (res) { });
done();
},
/**
* WAMP connection options
*/
options : {
// realm: 'chat'
}
};French article about websocket-bench : Benchmarking websockets avec Node.Js
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