run_dev_server.coffee

# This file is part of the Spludo Framework.
# Copyright (c) 2009-2010 DracoBlue, http://dracoblue.net/
# 
# Licensed under the terms of MIT License. For the full copyright and license
# information, please see the LICENSE file in the root folder.

child_process = require('child_process')
fs = require("fs")
sys = require("sys")

dev_server = {
	process: null
	files: []
	restarting: false

	"restart": ->
		this.restarting = true;
		sys.debug('DEVSERVER: Stopping server for restart');
		this.process.kill();

	"start": ->
		self = this
		sys.debug('DEVSERVER: Starting server')
		self.watchFiles()

		this.process = child_process.spawn("coffee", ['server.coffee'])

		this.process.stdout.addListener 'data', (data) ->
			process.stdout.write(data)

		this.process.stderr.addListener 'data', (data) ->
			sys.print(data)

		this.process.addListener 'exit', (code) ->
			sys.debug('DEVSERVER: Child process exited: ' + code)
			this.process = null
			
			if self.restarting
				self.restarting = true
				self.unwatchFiles()
				self.start()

	"watchFiles": ->
		self = this

		child_process.exec 'find . | grep "\.coffee$"', (error, stdout, stderr) ->
			files = stdout.trim().split("\n")

			files.forEach (file) ->
				self.files.push(file)
				
				fs.watchFile file, {interval : 500}, (curr, prev) ->
					if curr.mtime.valueOf() != prev.mtime.valueOf() || curr.ctime.valueOf() != prev.ctime.valueOf()
						sys.debug('DEVSERVER: Restarting because of changed file at ' + file)
						dev_server.restart()

	"unwatchFiles": ->
		this.files.forEach (file) ->
			fs.unwatchFile(file)
		
		this.files = []
}

dev_server.start()