headless.js

#!/usr/bin/env node
var system = require('./app.js')
var os = require('os')

console.log('Starting')

var ifaces = os.networkInterfaces()

if (process.argv.length > 2 && process.argv[2].substr(0, 1) == '-') {
	console.error('Usage: ./headless.js [device] [port]')
	console.error('')
	console.error('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.error(ifname, iface.address)
		})
	})

	console.error('')
	console.error('Example: ./headless.js eth0')
	process.exit(1)
} else if (process.argv.length < 3) {
	Object.keys(ifaces).forEach(function (ifname) {
		ifaces[ifname].find(function (iface) {
			if ('IPv4' === iface.family && iface.internal) {
				process.argv.push(ifname)
				console.error('Starting headless with interface "' + ifname + '"')
				return true
			}
			return false
		})
	})
}

if (process.env.COMPANION_CONFIG_BASEDIR !== undefined) {
	system.emit('skeleton-info', 'configDir', process.env.COMPANION_CONFIG_BASEDIR)
} else {
	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] === 'list') {
	console.log('Found interfaces:')
	for (var k in ifaces) {
		console.log(k)
	}
	process.exit(0)
}

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.ready(!process.env.DEVELOPER)
		console.log('Started')
	}, 1000)
} else if (process.argv[2] == '0.0.0.0') {
	setTimeout(function () {
		system.emit('skeleton-bind-ip', '0.0.0.0')
		system.emit('skeleton-bind-port', port)
		system.ready(!process.env.DEVELOPER)
		console.log('Started')
	}, 1000)
} else {
	console.log('Interface not found!')
	process.exit(1)
}