'''
Created on Sep 28, 2011
'''
import time,struct,socket,os
from subprocess import Popen,call

inf = [(36967,"cs2d_dedicated1","/home/cs2d/cs2d_dedicated1"),(36964,"cs2d_dedicated2","/home/cs2d_2/cs2d_dedicated2")]
ip = '127.0.0.1'


if __name__ == "__main__":
    request_info = struct.pack('<9B',1,0,3,0x8D,0xA2,0xFB,0x01,0x73,0x00) # this is for getting server information
    s = socket.socket(socket.AF_INET,socket.SOCK_DGRAM)
    s.settimeout(5) # if server doesnt respond after 5 secs, timeout
    while True:
        print "checking"
        for i in inf:
            port = i[0]
            s.sendto(request_info,(ip,port))
            try:
                s.recvfrom(128)
                print str(port) + " online!"
            except socket.timeout:
                print str(port) + " not online!"
                Popen(["/usr/bin/killall",i[1]],shell = False)
                Popen(["/usr/bin/screen","-D","-m",i[2]],shell=False)
        time.sleep(60)