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#!/usr/bin/pythonimport time, os, sys, socket, threading, ConfigParsermonitored_file  = '/home/storm/test.py'logs            = ['/home/storm/xml']monitor_log     = '/home/storm/monitor.log'pidfile         = '/home/storm/monitor.pid'statfile        = '/home/storm/stats.mon'timer           = time.time()class myThread(threading.Thread):	def run(self):		mySocket = socket.socket ( socket.AF_INET, socket.SOCK_STREAM )		mySocket.bind ( ( '', 2727 ) )		mySocket.listen ( 1 )				while True:			channel, details = mySocket.accept()			command = channel.recv (100).lower().strip()			if command == 'kill':				mySocket.close()				os.system('kill -9 ' + open(pidfile, 'r').read().strip())			elif command == 'uptime':				channel.send ('uptime is :' + str(round(time.time() - timer, 2)) + ' seconds\n')			elif command == 'stats':				c = ConfigParser.ConfigParser()				c.readfp(open(statfile))								#channel.send ('uptime is :' + str(round(time.time() - timer, 2)) + ' seconds\n')				channel.send ('Current status:\n - Crashed:' + str(c.getint('general','crashes')) + '\n - Resets: ' + str(c.getint('general','resets')) + '\n - Uptime: ' + str(round(time.time() - timer, 2)) + ' seconds\n')			channel.close()def doubleFork():	# do the UNIX double-fork magic, see Stevens' "Advanced 	# Programming in the UNIX Environment" for details (ISBN 0201563177)	try: 		pid = os.fork() 		if pid > 0:			# exit first parent			sys.exit(0) 	except OSError, e: 		print >>sys.stderr, "fork #1 failed: %d (%s)" % (e.errno, e.strerror) 		sys.exit(1)		# decouple from parent environment	os.chdir("/")	os.setsid()	os.umask(0)		# do second fork	try: 		pid = os.fork() 		if pid > 0:			# exit from second parent, print eventual PID before			pfile = open(pidfile, 'w')			pfile.write(str(pid))			pfile.close()			sys.exit(0) 	except OSError, e: 		print >>sys.stderr, "fork #2 failed: %d (%s)" % (e.errno, e.strerror) 		sys.exit(1) if os.path.exists(monitored_file):	logfile_time = os.path.getmtime(monitored_file)else:	logfile_time = -1doubleFork()myThread().start()config = ConfigParser.ConfigParser()config.add_section('general')config.set('general','resets',0)config.set('general','crashes',0)config.write(open(statfile, 'w'))while (1):	if os.path.exists(monitored_file):		if logfile_time < os.path.getmtime(monitored_file) and os.path.getsize(monitored_file) < 5000:			print 'crashed'			logfile_time = os.path.getmtime(monitored_file)			fmonitor = open(monitor_log, 'a')			fmonitor.write('')			fmonitor.write(time.ctime())			for f in logs:				fmonitor.write(f + ':\n' + os.popen('tail -20 ' + f).read())						c = ConfigParser.ConfigParser()			c.readfp(open(statfile))						config.set('general','resets', c.getint('general','resets') + 1)			config.set('general','crashes',c.getint('general','crashes') + 1)			config.write(open(statfile, 'w'))		elif logfile_time < os.path.getmtime(monitored_file):			logfile_time = os.path.getmtime(monitored_file)			print 'restarted'			c = ConfigParser.ConfigParser()			c.readfp(open(statfile))						config.set('general','resets', c.getint('general','resets') + 1)			config.write(open(statfile, 'w'))	else:		print 'File ' + monitored_file + ' missing!'		time.sleep (10)