View difference between Paste ID: zBjN02jQ and

-
+import socket
 import sys
 import threading
 
 
 def start():
     sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
     sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
     # listen for upto 50 cnxns on port 8000
     sock.bind(('', 8000))
     sock.listen(50)
 
     while True:
         csock,caddr = sock.accept()
         print "Connection from: ", caddr
         # Start a thread to service each cnxn
         t = threading.Thread(target=handle_cnxn, args=(csock,))
         t.start()
 
 
 def handle_cnxn(csock):
     shake1 = csock.recv(1024)
 
     shakelist = shake1.split("\r\n")
     # The body follows a \r\n after the 'headers'
     body = shake1.split("\r\n\r\n")[1]
 
     # Extract key1 and key2
     for elem in shakelist:
         if elem.startswith("Sec-WebSocket-Key1:"):
             key1 = elem[20:]  # Sec-WebSocket-Key1: is 20 chars
         elif elem.startswith("Sec-WebSocket-Key2:"):
             key2 = elem[20:]
         else:
             continue
 
     # Count spaces
     nums1 = key1.count(" ")
     nums2 = key2.count(" ")
     # Join digits in the key
     num1 = ''.join([x for x in key1 if x.isdigit()])
     num2 = ''.join([x for x in key2 if x.isdigit()])
 
     # Divide the digits by the num of spaces
     key1 = int(int(num1)/int(nums1))
     key2 = int(int(num2)/int(nums2))
 
     # Pack into Network byte ordered 32 bit ints
     import struct
     key1 = struct.pack("!I", key1)
     key2 = struct.pack("!I", key2)
 
     # Concat key1, key2, and the the body of the client handshake and take the md5 sum of it
     key = key1 + key2 + body
     import hashlib
     m = hashlib.md5()
     m.update(key)
     d = m.digest()
 
     # Send 'headers'
     csock.send("HTTP/1.1 101 WebSocket Protocol Handshake\r\n")
     csock.send("Upgrade: WebSocket\r\n")
     csock.send("Connection: Upgrade\r\n")
     csock.send("Sec-WebSocket-Origin: http://127.0.0.1:8080\r\n")
     csock.send("Sec-WebSocket-Location: ws://127.0.0.1:8000/\r\n")
     csock.send("Sec-WebSocket-Protocol: chat\r\n")
     csock.send("\r\n")
     #Send digest
     csock.send(d)
 
     # Message framing - 0x00 utf-8-encoded-body 0xFF
     def send(data):
         first_byte = chr(0x00)
         payload = data.encode('utf-8')
         pl = first_byte + payload + chr(0xFF)
         csock.send(pl)
 
 
     from time import sleep
 
     # This is dependent on you - what you wish to send to the browser
     i = 0
     while True:
         send(u"%s" % (i))
         i += 1
         sleep(1)
 
 if __name__ == "__main__":
     start()