tcp

import socket
def tcplink(sock, addr):
    print(‘Accept new connection from %s:%s...‘ % addr)
    sock.send(b‘Welcome!‘)
    while True:
        data = sock.recv(1024)
        time.sleep(1)
        if not data or data.decode(‘utf-8‘) == ‘exit‘:
            break
        sock.send((‘Hello, %s!‘ % data.decode(‘utf-8‘)).encode(‘utf-8‘))
    sock.close()
    print(‘Connection from %s:%s closed.‘ % addr)

# 创建一个socket:
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.bind((‘127.0.0.1‘, 9999))
s.listen(5)
print(‘Waiting for connection...‘)
while True:
    # 接受一个新连接:
    sock, addr = s.accept()
    # 创建新线程来处理TCP连接:
    t = threading.Thread(target=tcplink, args=(sock, addr))
    t.start()

import socket,time

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

s.connect((‘192.168.1.38‘, 9999))

print(s.recv(1024).decode(‘utf-8‘))
for data in [b‘Michael‘, b‘Tracy‘, b‘Sarah‘]:
    
    s.send(data)
    #print(s.recv(1024).decode(‘utf-8‘))
#s.send(b‘exit‘)
time.sleep(69)