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dwoz/tcp-client-server.py

Created July 23, 2017 21:12
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tcp-client-server.py
#!/usr/bin/env python3
# simple_tcp_client.py
import socket
TCP_IP = '127.0.0.1'
TCP_PORT = 5005
BUFFER_SIZE = 1024
MESSAGE = b"Hello, World!"
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect((TCP_IP, TCP_PORT))
s.send(MESSAGE)
data = s.recv(BUFFER_SIZE)
s.close()
print("received data: {}".format(data))
# simple_tcp_server.py
import socket
TCP_IP = '127.0.0.1'
TCP_PORT = 5005
BUFFER_SIZE = 20 # Normally 1024, but we want fast response
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.bind((TCP_IP, TCP_PORT))
s.listen(1)
conn, addr = s.accept()
print('server - connection address: {}'.format(addr))
while 1:
data = conn.recv(BUFFER_SIZE)
if not data: break
print("server - received data: {}".format(data))
conn.send(data) # echo
conn.close()
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