5.1.24 线程池/进程池实现网络并发

from socket import *
from threading import Thread
from concurrent.futures import ThreadPoolExecutor

def communicate(conn):
    while True:
        try:
            data=conn.recv(1024)
            if not data:break
            conn.send(data.upper())
        except ConnectionResetError:
            break

    conn.close()

def server(ip,port, pool_size):
    pool = ThreadPoolExecutor(pool_size)

    server = socket(AF_INET, SOCK_STREAM)
    server.bind((ip,port))
    server.listen(5)

    while True:
        conn, addr = server.accept()
        # t=Thread(target=communicate,args=(conn,))
        # t.start()
        pool.submit(communicate, conn)

    server.close()

if __name__ == ‘__main__‘:
    server(‘127.0.0.1‘, 8082, 2)

客户端：

from socket import *

client=socket(AF_INET,SOCK_STREAM)
client.connect((‘127.0.0.1‘,8082))


while True:
    msg=input(‘>>: ‘).strip()
    if not msg:continue
    client.send(msg.encode(‘utf-8‘))
    data=client.recv(1024)
    print(data.decode(‘utf-8‘))

client.close()