droidcon / file revision

 #! /usr/bin/env node

 //

 //  Doorbell - Door Bell Gateway for Mesh Networks

 //  Copyright © 2015 Michael Schloh von Bennewitz <michael@schloh.com>

 //

 //  Permission to use, copy, modify, and/or distribute this software for

 //  any purpose with or without fee is hereby granted, provided that the

 //  above copyright notice and this permission notice appear in all copies.

 //

 //  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL

 //  WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED

 //  WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE

 //  AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL

 //  DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR

 //  PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS

 //  ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF

 //  THIS SOFTWARE.

 //

 //  This file is part of Doorbell, a smart door bell IoT gateway

 //  which can be found at http://dev.europalab.com/doorbell/

 //

 //  bellhear.js: ECMA JavaScript implementation

 //

 /***********************************************************

 |              _                  _          _ _           |

 |           __| | ___   ___  _ __| |__   ___| | |          |

 |          / _` |/ _ \ / _ \| '__| '_ \ / _ \ | |          |

 |         | (_| | (_) | (_) | |  | |_) |  __/ | |          |

 |          \__,_|\___/ \___/|_|  |_.__/ \___|_|_|          |

 |                                                          |

 | Requirements: MQTT broker with standard configuration    |

 |               NodeJS and NPM modules (see package.json)  |

 |                                                          |

 | Execute: To start this application, launch it with the   |

 |          script named bellhear.js: $ ./bellhear.js       |

 |                                                          |

 | Support: http://list.europalab.com/mailman/doorbell/     |

 |                                                          |

 | Test: mosquitto_pub -m ON -t door/bell                   |

 |                                                          |

 ***********************************************************/

 // Simple doorbell subscribe client

 var mqtt = require('mqtt');

 var locli = mqtt.connect('mqtt://localhost/');

 locli.on('connect', function () {

     //locli.subscribe('/door/bell');  // explicit

     //locli.subscribe('/door/#');     // recursive

     locli.subscribe('/door/+');       // one level

 });

 locli.on('message', function(topic, message) {

     console.log(message.toString());

     //locli.end();

 });

 // disable automatic reconnect

 locli.options.reconnectPeriod = 0;