【一】socketserver模块实现TCP并发服务
import socketserver
class RequesterHandle(socketserver.BaseRequestHandler):
def handle(self) -> None:
print(self.request)
print(self.client_address) # self.request 相当于TCP协议的conn
# 传输数据
while True:
try:
data = self.request.recv(1024)
except:
break
if not data:
break
data = data.decode('utf-8')
print(f'客户端:>>>>{data}')
self.request.send(data.upper().encode('utf-8'))
sk = socketserver.ThreadingTCPServer(('127.0.0.1', 8080), RequesterHandle)
sk.serve_forever() # 循环获取连接对象,每起一个对象,都会起一个线程,然后把连接对象交给线程
import socket
client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
client.connect(('127.0.0.1', 8080))
while True:
to_data = input('请输入小写字母:>>>>').strip()
client.send(to_data.encode('utf-8'))
if to_data == 'q':
break
if not to_data:
continue
data = client.recv(1024).decode('utf-8')
print(f'服务端:>>>>{data}')
client.close()
【二】multiprocessing模块实现TCP并发服务
import socket
from multiprocessing import Process
from socket import SOL_SOCKET, SO_REUSEADDR
server = socket.socket()
server.setsockopt(SOL_SOCKET, SO_REUSEADDR, 1)
server.bind(('127.0.0.1', 8087))
server.listen(5)
def process(conn):
while True:
try:
data = conn.recv(1024).decode('utf-8')
except:
break
if not data:
break
to_data = data.upper()
conn.send(to_data.encode('utf-8'))
print(f'正在为{conn}服务')
conn.close()
if __name__ == '__main__':
while True:
conn, addr = server.accept()
p = Process(target=process, args=(conn,))
p.start()
import socket
client = socket.socket()
client.connect(('127.0.0.1', 8087))
while True:
to_data = input('请输入消息:>>>>').strip()
client.send(to_data.encode('utf-8'))
if to_data == 'q':
break
if not to_data:
continue
print(client.recv(1024).decode('utf-8'))
client.close()