import socket
import struct
import sys

import subprocess	
def goScript(cmd):
    
    param = cmd
    
    pid=subprocess.Popen(('x-terminal-emulator -e '+ param).split(),stdout=subprocess.PIPE)
    output,error=pid.communicate()
    if error:
        print (error)
    else:
        print('ok')
    print(pid)
    print(pid.returncode)



PORT=10000
multicast_group = '224.3.29.71'
server_address = ('', PORT)

# Create the socket
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)

# Bind to the server address
sock.bind(server_address)


# Tell the operating system to add the socket to the multicast group
# on all interfaces.
group = socket.inet_aton(multicast_group)
mreq = struct.pack('4sL', group, socket.INADDR_ANY)
sock.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)

# Receive/respond loop
while True:
    print ('\nwaiting to receive message on ',multicast_group, PORT)
    
    data, address = sock.recvfrom(1024)
    
    print('received %s bytes from %s' % (len(data), address))
    print(data)
    if(data==b'go'):
         goScript("./myGo2.sh")   #print("ciao!!!!!!")
    print ('sending acknowledgement to', address)
    sock.sendto(data, address)