python：socket之tcp/ip学习笔记

import socket
class SOCKserver(object):
def __init__(self,ip = ‘127.0.0.1‘,port = 9999):
self.server = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
self.server.bind((ip,port))
self.server.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
self.server.listen(5)
self.connection()
def connection(self):
while True:
conn, addr = self.server.accept()
print("a new link for ", addr)
while True:
try:
data = conn.recv(1024)
if data:
print(‘recv data [%s]‘%data)
conn.send(data)
else:
print("lost the link")
conn.close()
break
except ConnectionResetError as e:
print("lost the link")
conn.close()
break
if __name__ == ‘__main__‘:
s = SOCKserver()

import socket
conn = socket.socket()
conn.connect((‘localhost‘,9999))
while True:
com =input(">>:")
conn.send(com.encode())
print(conn.recv(1024))

import socketserver
class MyTCPHandle(socketserver.BaseRequestHandler):
def handle(self):
while True:
try:
self.data = self.request.recv(1024)
if self.data:
# print("{} wrote:".format(self.client_address[0]))
print(self.data.decode())
self.request.send(b"recv sucessful!")
except ConnectionResetError as e:
print("%s client is lost!"%self.client_address[0])
break
if __name__ == "__main__":
HOST,PORT = "0.0.0.0",9999
# server = socketserver.TCPServer((HOST,PORT),MyTCPHandle)
server = socketserver.ThreadingTCPServer((HOST, PORT), MyTCPHandle)
# print(server.allow_reuse_address)
server.serve_forever()