linux 某进程socket

import socket

def start_server(host='0.0.0.0', port=12345):
    server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    server_socket.bind((host, port))
    server_socket.listen(5)
    print(f"Server listening on {host}:{port}")

    while True:
        client_socket, addr = server_socket.accept()
        print(f"Connection from {addr}")
        data = client_socket.recv(1024)
        if data:
            print(f"Received: {data.decode('utf-8')}")
            client_socket.sendall(b"Message received")
        client_socket.close()

if __name__ == "__main__":
    start_server()

import socket

def send_message(host='127.0.0.1', port=12345, message="Hello, Server!"):
    client_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    client_socket.connect((host, port))
    client_socket.sendall(message.encode('utf-8'))
    response = client_socket.recv(1024)
    print(f"Server response: {response.decode('utf-8')}")
    client_socket.close()

if __name__ == "__main__":
    send_message()