headless.js

#!/usr/bin/env node
var main = require('./app.js');
var fs = require("fs");
var path = require("path");
var system = main();
var os = require('os');

function packageinfo() {
    var self = this;
    var fileContents = fs.readFileSync(__dirname + '/package.json');
    var object = JSON.parse(fileContents);
    return object;
};

var build = fs.readFileSync(__dirname + "/BUILD").toString().trim();
var pkg = packageinfo();

var ifaces = os.networkInterfaces();

if (process.argv.length < 3) {
    console.log("Usage: ./headless.js <device> [port]");
    console.log("");
    console.log("Available Interfaces:");

    Object.keys(ifaces).forEach(function (ifname) {
        ifaces[ifname].forEach(function (iface) {
            if ('IPv4' !== iface.family) {
                // skip over non-ipv4 addresses for now
                return;
            }
            console.log(ifname, iface.address);
        });
    });

    console.log("");
    console.log("Example: ./headless.js eth0");
    process.exit(1);
}

system.emit('skeleton-info', 'appVersion', pkg.version );
system.emit('skeleton-info', 'appBuild', build.trim() );
system.emit('skeleton-info', 'appName', pkg.description);
system.emit('skeleton-info', 'configDir', process.env[(process.platform == 'win32') ? 'USERPROFILE' : 'HOME'] );

var port = '8000';

if (process.argv[3] != null) {
    port = process.argv[3];
}

if (process.argv[2] in ifaces) {
    var address;
    var iface = ifaces[process.argv[2]];

    iface.forEach(function (ipv) {
            if ('IPv4' !== ipv.family) {
                // skip over non-ipv4 addresses for now
                return;
            }
            address = ipv.address;
    });

    setTimeout(function () {
        system.emit('skeleton-bind-ip', address);
        system.emit('skeleton-bind-port', port);
        system.emit('skeleton-ready');
    }, 1000);
}
else {
    console.log("Interface not found!");
    process.exit(1);
}