# simple illustration client/server pair; client program sends a string
# to server, which echoes it back to the client (in multiple copies),
# and the latter prints to the screen

# this is the client

import socket
import sys

# create a socket
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

# connect to server
host = sys.argv[1] # server address
port = int(sys.argv[2]) # server port
s.connect((host, port))

s.send(sys.argv[3]) # send test string

# read echo
i = 0
while(1):
    data = s.recv(1000000) # read up to 1000000 bytes
    i += 1
    if (i < 5): # look only at the first part of the message
        print data
    if not data: # if end of data, leave loop
        break
    print 'received', len(data), 'bytes'

# close the connection
s.close()