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import socket
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import threading
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import time
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class TcpServer(object):
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def __init__(self):
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# 配置信息
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self.tcpPort = 12345 # 服务端TCP监听端口
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self.udpPort = 54321 # 设备发现UDP端口
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self.broadcastAddr = '<broadcast>' # 广播地址
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# TCP服务端主逻辑
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def tcpServer(self):
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server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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server.bind(('0.0.0.0', self.tcpPort))
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server.listen(5)
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print(f"[*] TCP服务端已启动，监听端口 {self.tcpPort}")
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while True:
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clientSock, addr = server.accept()
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print(f"[+] 接收到来自 {addr} 的连接")
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# 创建线程处理客户端请求
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client_thread = threading.Thread(target=self.handleClient, args=(clientSock,))
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client_thread.start()
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# 处理客户端请求
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def handleClient(self, clientSock):
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try:
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while True:
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data = clientSock.recv(1024)
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if not data:
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break
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print(f"收到消息: {data.decode('utf-8')}")
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clientSock.send(b"ACK") # 返回确认
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except Exception as e:
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print(f"客户端异常断开: {e}")
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finally:
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clientSock.close()
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# UDP设备发现服务
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def udpDiscoveryServer(self):
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udpSock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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udpSock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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udpSock.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
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udpSock.bind(('', self.udpPort))
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print(f"[*] UDP发现服务已启动，监听端口 {self.udpPort}")
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while True:
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data, addr = udpSock.recvfrom(1024)
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if data.decode('utf-8') == "DISCOVERY_REQUEST":
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print(f"[+] 收到来自 {addr} 的发现请求")
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response = f"DISCOVERY_RESPONSE:{socket.gethostname()}:{self.tcpPort}"
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udpSock.sendto(response.encode('utf-8'), addr)
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if __name__ == '__main__':
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server = TcpServer()
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# 启动TCP服务端和UDP发现服务
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threading.Thread(target=server.tcpServer, daemon=True).start()
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threading.Thread(target=server.udpDiscoveryServer, daemon=True).start()
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# 防止主线程退出
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while True:
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time.sleep(1)
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