Передача пакетов по порядку

import socket
print "Server is running"
sock = socket.socket()
sock.bind(('', 8060))
sock.listen(5)  # queue size
conn, addr = sock.accept()
print 'connected:', addr
b = 6
print 's'
try:
    '''Call 1'''
    g = int(conn.recv(100024))
    print 'Recieving 1: ', g
 
    '''Call 2'''
    p = int(conn.recv(100024))
    print 'Recieving 2: ', p
 
    '''Call 3'''
    A = conn.recv(100024)
    #A = int(conn.recv(100024))
    print 'Recieving 3: ', A
    
    B = pow(g, b) % p
    print B
    
    '''Call 4'''
    conn.send(str(B))
    key = A ** b % p
    message = 'Good morning'
    print 'Bob: message to encrypt\n    ', message
    secret = ''
    for i in message:
        secret += chr(ord(i) + key)
        print secret
    print 'Bob: message to send\n    ', secret
    '''Call 5'''
    conn.send(secret)
finally:
    conn.close()

import socket
print "Client is running"
sock = socket.socket()
sock.connect(('localhost', 8060))
a = 3
g = 5
p = 11
A = g ** a % p
print 'c'
print A
 
try:
    '''Call 1'''
    sock.send(str(g))
    print "Sending 1"
 
    '''Call 2'''
    sock.send(str(p))
    print "Sending 2"
 
    '''Call 3'''
    sock.send(str(A))
    print "Sending 3"
 
    '''Call 4'''
    B = int(sock.recv(100024))
    key = B ** a % p
    '''Call 5'''
    got = sock.recv(100024)
    print 'Alice: received message\n    ', got
    truem = ''
    for i in got:
        truem += chr(ord(i) - key)
    print 'Alice: encrypted message\n    ', truem
 
finally:
    sock.close()

import struct
 
a, b, c = 11, 3232, 4343
packet = struct.pack('LLL', a, b, c)  # unsigned long
print(packet)
 
# ...
 
a1, b1, c1 = struct.unpack('LLL', packet)
print(a1, b1, c1)

a, b, c = 11, 3232, 4343
packet = ' '.join(map(str, [a, b, c]))
print(packet)
 
# ...
 
a1, b1, c1 = packet.split(' ')
print(a1, b1, c1)