Difference between revisions of "Python3: socketserver.UDPServer"

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(Created page with "==Server side== import socketserver class MyUDPHandler(socketserver.BaseRequestHandler): """ This class works similar to the TCP handler class, except that...")
 
 
(3 intermediate revisions by the same user not shown)
Line 22: Line 22:
 
     with socketserver.UDPServer((HOST, PORT), MyUDPHandler) as server:
 
     with socketserver.UDPServer((HOST, PORT), MyUDPHandler) as server:
 
         server.serve_forever()
 
         server.serve_forever()
 
 
 
 
  
  
Line 49: Line 45:
  
  
 +
==Run==
 +
 +
python3 UDPServer.py
 +
python3 UDPClient.py test
  
 
==Pranala Menarik==
 
==Pranala Menarik==
  
 
* [[Python3]]
 
* [[Python3]]

Latest revision as of 09:20, 24 November 2018

Server side

import socketserver

class MyUDPHandler(socketserver.BaseRequestHandler):
    """
    This class works similar to the TCP handler class, except that
    self.request consists of a pair of data and client socket, and since
    there is no connection the client address must be given explicitly
    when sending data back via sendto().
    """

    def handle(self):
        data = self.request[0].strip()
        socket = self.request[1]
        print("{} wrote:".format(self.client_address[0]))
        print(data)
        socket.sendto(data.upper(), self.client_address)

if __name__ == "__main__":
    HOST, PORT = "localhost", 9999
    with socketserver.UDPServer((HOST, PORT), MyUDPHandler) as server:
        server.serve_forever()


Client side

import socket
import sys

HOST, PORT = "localhost", 9999
data = " ".join(sys.argv[1:]) 

# SOCK_DGRAM is the socket type to use for UDP sockets
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)

# As you can see, there is no connect() call; UDP has no connections.
# Instead, data is directly sent to the recipient via sendto().
sock.sendto(bytes(data + "\n", "utf-8"), (HOST, PORT))
received = str(sock.recv(1024), "utf-8")

print("Sent:     {}".format(data))
print("Received: {}".format(received))


Run

python3 UDPServer.py
python3 UDPClient.py test

Pranala Menarik