취미 학습python3(40)-TCP 서버와 클라이언트(socketserver 클래스)

#!/usr/bin/env python3

import socket
import sys

HOST="localhost"
PORT=21200
ADDR=(HOST,PORT)

# Create a socket (SOCK_STREAM means a TCP socket)
with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
    #  
    sock.connect(ADDR)
    data=input('==>')
    sock.sendall(bytes(data + "
", "utf-8"))

    # Receive data from the server and shut down
    received = str(sock.recv(1024), "utf-8")

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

#!/usr/bin/env python3

import  socketserver 
from time import ctime

HOST=''
PORT=21200
ADDR=(HOST,PORT)

class MyTCPHandler(socketserver.StreamRequestHandler):

    def handle(self):
        print(" {0} ...".format(self.client_address))
        self.data = self.rfile.readline().strip()
        print("{}  :".format(self.client_address[0]))
        print(self.data)
        # self.wfile ， 
        self.wfile.write(bytes("{0}:{1} ".format(ctime(),self.data),'utf-8'))

if __name__ == "__main__":

    # Create the server, binding to localhost on port 9999
    with socketserver.TCPServer(ADDR, MyTCPHandler) as server:
        print(" ...")
        # ， ctrl+c 
        server.serve_forever()

bogon:python3 myhaspl$python3 1-c.py ==>hhh Sent: hhh Received: Sun Sep 16 12:47:01 2018:b'hhh'아래는 서버 측 운행 상태:
연결을 기다리며... 연결을 받다 ('127.0.0.1', 50751) 연결... 127.0.0.1 메시지를 보내다: b'hi'수용('127.0.0.1', 50752) 연결... 127.0.0.1 메시지를 보내다: b'hhh'