monode/out/lib/osc.js

Toolkit for the monome and arc osc controllers

(function() {
  var nodeOsc, usedPorts;

  nodeOsc = require('node-osc');

  usedPorts = {};

  exports.Client = function(port, host) {
    if (host == null) {
      host = '127.0.0.1';
    }
    return new nodeOsc.Client(host, port);
  };

  exports.Server = function(port, callback, host) {
    var attemptCount, findOpenServer, maxAttempts, server;
    if (port == null) {
      port = 8000;
    }
    if (host == null) {
      host = '127.0.0.1';
    }
    server = null;
    attemptCount = 0;
    maxAttempts = 10;
    findOpenServer = function(check) {
      var client, rand, timeout1, timeout2;
      attemptCount += 1;
      if (usedPorts[check]) {
        return findOpenServer[check + 1];
      }
      usedPorts[check] = true;
      rand = 'test:' + Math.random();
      timeout2 = null;
      timeout1 = setTimeout(function() {
        return timeout2 = setTimeout(function() {
          if (attemptCount > maxAttempts) {
            return callback(new Error('Failed to find available port'));
          } else {
            return findOpenServer(check + 1);
          }
        }, 8);
      }, 8);
      try {
        server = new nodeOsc.Server(check, host);
        server.on('message', function(msg, rinfo) {
          if (msg[1] === rand) {
            if (timeout2) {
              clearTimeout(timeout2);
            }
            if (timeout1) {
              clearTimeout(timeout1);
            }
            return callback(null, server);
          }
        });
        client = new nodeOsc.Client(host, check);
        return client.send('/random/test', rand);
      } catch (_error) {}
    };
    return findOpenServer(port);
  };

}).call(this);