import socket
SERVER_IP = "127.0.0.1"
SERVER_PORT = 15000
CLIENT_PORT = 15001

while(1):
    sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
    sock.settimeout(5)
    sock.bind(("0.0.0.0",CLIENT_PORT))
    try:
        (inMessage, address) = sock.recvfrom(1024)
    except socket.timeout:
        inMessage = None
    except socket.error:
        print "Socket error!"
        inMessage = None
    
    if inMessage:
        print inMessage
        outMessage = "Received: " + inMessage
        sock.sendto(outMessage,(SERVER_IP,SERVER_PORT))