diff options
| author | James Barnett <noreply@jamesbarnett.xyz> | 2018-03-30 19:41:03 +0100 |
|---|---|---|
| committer | James Barnett <noreply@jamesbarnett.xyz> | 2018-03-30 19:41:03 +0100 |
| commit | ecc769dab59d427c1fa5dc8856dd32068b4ba6db (patch) | |
| tree | 6a6f6ca99a2c2f4f0cfdb90d29bacb936891c159 /bin | |
| parent | a6459b390ecfcaca90c8b30fc3ab6f6f6db4fb0c (diff) | |
| download | tplink-energy-monitor-ecc769dab59d427c1fa5dc8856dd32068b4ba6db.tar.xz tplink-energy-monitor-ecc769dab59d427c1fa5dc8856dd32068b4ba6db.zip | |
Initial functionality. Static realtime usage for a single device
Diffstat (limited to 'bin')
| -rwxr-xr-x | bin/www | 90 |
1 files changed, 90 insertions, 0 deletions
@@ -0,0 +1,90 @@ +#!/usr/bin/env node + +/** + * Module dependencies. + */ + +var app = require('../app'); +var debug = require('debug')('tplink-monitor:server'); +var http = require('http'); + +/** + * Get port from environment and store in Express. + */ + +var port = normalizePort(process.env.PORT || '3000'); +app.set('port', port); + +/** + * Create HTTP server. + */ + +var server = http.createServer(app); + +/** + * Listen on provided port, on all network interfaces. + */ + +server.listen(port); +server.on('error', onError); +server.on('listening', onListening); + +/** + * Normalize a port into a number, string, or false. + */ + +function normalizePort(val) { + var port = parseInt(val, 10); + + if (isNaN(port)) { + // named pipe + return val; + } + + if (port >= 0) { + // port number + return port; + } + + return false; +} + +/** + * Event listener for HTTP server "error" event. + */ + +function onError(error) { + if (error.syscall !== 'listen') { + throw error; + } + + var bind = typeof port === 'string' + ? 'Pipe ' + port + : 'Port ' + port; + + // handle specific listen errors with friendly messages + switch (error.code) { + case 'EACCES': + console.error(bind + ' requires elevated privileges'); + process.exit(1); + break; + case 'EADDRINUSE': + console.error(bind + ' is already in use'); + process.exit(1); + break; + default: + throw error; + } +} + +/** + * Event listener for HTTP server "listening" event. + */ + +function onListening() { + var addr = server.address(); + var bind = typeof addr === 'string' + ? 'pipe ' + addr + : 'port ' + addr.port; + debug('Listening on ' + bind); +} |