91 lines
1.6 KiB
Plaintext
91 lines
1.6 KiB
Plaintext
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#!/usr/bin/env node
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/**
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* Module dependencies.
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*/
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var app = require('../app');
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var debug = require('debug')('ztnc:server');
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var http = require('http');
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/**
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* Get port from environment and store in Express.
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*/
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var port = normalizePort(process.env.PORT || '3000');
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app.set('port', port);
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/**
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* Create HTTP server.
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*/
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var server = http.createServer(app);
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/**
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* Listen on provided port, on loopback network interface.
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*/
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server.listen(port, 'localhost');
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server.on('error', onError);
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server.on('listening', onListening);
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/**
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* Normalize a port into a number, string, or false.
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*/
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function normalizePort(val) {
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var port = parseInt(val, 10);
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if (isNaN(port)) {
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// named pipe
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return val;
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}
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if (port >= 0) {
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// port number
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return port;
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}
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return false;
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}
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/**
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* Event listener for HTTP server "error" event.
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*/
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function onError(error) {
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if (error.syscall !== 'listen') {
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throw error;
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}
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var bind = typeof port === 'string'
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? 'Pipe ' + port
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: 'Port ' + port;
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// handle specific listen errors with friendly messages
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switch (error.code) {
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case 'EACCES':
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console.error(bind + ' requires elevated privileges');
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process.exit(1);
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break;
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case 'EADDRINUSE':
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console.error(bind + ' is already in use');
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process.exit(1);
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break;
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default:
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throw error;
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}
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}
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/**
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* Event listener for HTTP server "listening" event.
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*/
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function onListening() {
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var addr = server.address();
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var bind = typeof addr === 'string'
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? 'pipe ' + addr
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: 'port ' + addr.port;
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debug('Listening on ' + bind);
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}
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