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/

 //

 //  bellpush.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 bellpush.js: $ ./bellpush.js       |

 |                                                          |

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

 |                                                          |

 | Test: mosquitto_sub -t door/bell                         |

 |                                                          |

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

 // Simple doorbell publish client

 var mqtt = require('mqtt')

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

 var args = process.argv.slice(2).length;  // Argc

 var prog = process.argv.slice(1)[0];  // Program name

 var parm = process.argv.slice(2)[0];  // Parameter cmd

 // Either activate or deactivate the doorbell

 if (args > 1 || parm != 'ON' && parm != 'OFF')

     console.error('usage: %s <ON|OFF>', prog);

 else

     locli.publish('/door/bell', parm);

 // Close connection

 locli.end();