68 lines
2.5 KiB
Python
68 lines
2.5 KiB
Python
import socket
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import threading
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import subprocess
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import netifaces
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def create_server_socket(host, port):
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socket_server = socket.socket()
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socket_server.bind((host, port))
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socket_server.listen(5)
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print(f"服务端已启动，地址{host}，端口{port}")
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print(f"正在等待客户端连接...")
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# 开启多线程，收发来自多个客户端的数据
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num = 0 # 标记客户端的编号
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while True:
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num += 1
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conn, address = socket_server.accept()
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print(f"服务端已接受到客户端 {num}号 的连接请求，客户端信息：{address}")
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client_handler = threading.Thread(target=handle_client, args=(conn, address, num))
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client_handler.start()
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# 处理收发数据
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def handle_client(conn, address, num):
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while True:
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# 接收客户端发来的数据
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data_from_client: str = conn.recv(1024).decode("UTF-8")
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print(f"客户端 {num}号:{address}发来的消息是：{data_from_client}")
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# 发送消息到客户端
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msg = input(f"请输入你要回复客户端 {num}号:{address}的消息：")
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if msg == 'exit':
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break
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conn.send(msg.encode("UTF-8")) # encode将字符串编码为字节数组对象
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conn.close()
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# def handle_client(conn, address, client_num):
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# try:
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# while True:
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# data_from_client = conn.recv(1024).decode("UTF-8")
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# if not data_from_client:
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# break
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# print(f"客户端 {client_num} 号({address}) 发来的消息是：{data_from_client}")
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# if data_from_client.strip() == '1':
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# print("执行 roscore 命令...")
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# subprocess.run(['roscore'])
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# else:
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# msg = input(f"请输入你要回复客户端 {client_num} 号({address}) 的消息：")
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# if msg.lower() == 'exit':
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# break
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# conn.send(msg.encode("UTF-8"))
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# except Exception as e:
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# print(f"客户端 {client_num} 号({address}) 处理时发生错误：{e}")
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# finally:
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# conn.close()
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# print(f"客户端 {client_num} 号({address}) 已断开连接。")
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if __name__ == '__main__':
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# 获取本机（计算机）名
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hostname = socket.gethostname()
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# 获取本机（计算机）ip
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ip = socket.gethostbyname(hostname)
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print(hostname, ip)
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server_host = ip
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server_port = int(input("请输入服务端port:"))
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create_server_socket(server_host, server_port) |