import binascii
import socket
import struct
import sys
import os
import thread
import time
# Create a TCP/IP socket
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
server_address = ('serwerownia.no-ip.org', 7777)
sock.connect(server_address)

def send_bytes(data):
    print >>sys.stderr, 'sending "%s"' % binascii.hexlify(data)
    sock.sendall(data)

def send_hex_string(hex_string):
    data = bytearray.fromhex(hex_string)
    send_bytes(data)

def auth():
    values = (187515,)
    packer = struct.Struct('I')
    packed_data = packer.pack(*values)
    send_bytes(packed_data)

def send_random(size):
    rand_bytes = os.urandom(size)
    send_bytes(rand_bytes)

def receive(*args):
    while True:
        print ("Start receiving...")
        data = sock.recv(2048)
        print "Received: %s" % binascii.hexlify(data)

# Running program

# Running receive
try:
   thread.start_new_thread( receive, () )
except:
   print "Error: unable to start receive thread"

# Authenticating
auth()

# Core logic

# Test 0
#delay = 1 # seconds
#while True:
    #time.sleep(delay)
    #send_random(16)

# Test 1
#send_hex_string("5b95398549b1ae2d4c4c967e92f90a29")
#time.sleep(10)

# Test 2
#send_hex_string("ae2d4c4c967e92f9")
#time.sleep(10)

# Test 3
#delay = 1 # seconds
#while True:
    #time.sleep(delay)
    #send_random(8)

# Test 4 - expected 050000...
send_hex_string("8f4c8a42cdd7216b249a5428a348ed05")
send_hex_string("5a00291759")
time.sleep(10)
# Exiting
print >>sys.stderr, 'closing socket'
sock.close()