90 lines
1.6 KiB
JavaScript
Executable file
90 lines
1.6 KiB
JavaScript
Executable file
#!/usr/bin/env node
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/**
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* Module dependencies.
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*/
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let app = require("../app");
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let debug = require("debug")("sod:server");
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let 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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let 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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let server = http.createServer(app);
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/**
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* Listen on provided port, on all network interfaces.
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*/
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server.listen(port);
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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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let 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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let 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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let addr = server.address();
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let 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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