创建一个UDP套接字:使用socket.socket(socket.AF_INET, socket.SOCK_DGRAM)来创建一个UDP套接字。 绑定到一个地址和端口:使用bind方法将套接字绑定到一个特定的地址和端口,通常是('0.0.0.0', 端口号),以便接收任何IP地址发送的数据。 设置套接字为广播模式:通过设置SO_BROADCAST选项,使得套接字能接收广播数据。
# udp_gb_server.py '''服务端(UDP协议局域网广播)''' import socket,time,struct s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) s.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1) PORT = 6454 network ='127.0.0.1'# '<broadcast>' s.sendto('Client broadcast message!'.encode('...
多播MultiCast:又称组播,是“一对一组”的通讯模式,加入同一个组的主机可以接受到此组内的所有数据。 广播BroadCast:主机之间“一对所有”的通讯模式,广播者可以向网络中所有主机发送信息。广播禁止在Internet宽带网上传输。 其中单播比较简单,在C#中可直接通过UdpClient点对点收发。 组播和单播的差别是,必须得有一个...
sock.setsockopt(socket.SOL_SOCKET,socket.SO_BROADCAST,1) text = 'Broadcast datagram!' sock.sendto(text.encode('ascii'),(network,port)) if __name__ == '__main__': choices = {'client':client,'server':server} parser = argparse.ArgumentParser(description='Send,receive UDP broadcast') pars...
sock.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1) text = 'Broadcast datagram' sock.sendto(text.encode('ascii'),(network,port)) if __name__ == '__main__': choices = {'client':client, 'server':server} parser = argparse.ArgumentParser(description='Send, receive UDP broadcast')...
'22sock.sendto(text.encode('ascii'), (network, port))2324if__name__=='__main__':25choices = {'client':client,'server':server}26parser = argparse.ArgumentParser(description='Send and receive UDP broadcast.')27parser.add_argument('role', choices=choices, help='which role to play.')...
threading.Thread(target=receiveBroadCast).start() sock.close() threading.Thread(target=udpListen).start() 2、教师端通过界面上的按钮“开始屏幕广播”给局域网内所有学生端发送指令,同时监听TCP端口10001,等待学生端的连接,然后给每一个学生端连接发送本机屏幕截图,每0.5秒刷新一次。代码如下: ...
def udp_server(): host = '127.0.0.1' port = 12345 s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) s.bind((host, port)) print(f"UDP服务器启动,监听端口 {port}") while True: data, addr = s.recvfrom(1024) print(f"收到来自 {addr} 的消息: {data.decode()}") ...
udp_multicast (#644) robotell (#731) cantact (#853) gs_usb (#905) nixnet (#968, #1154) neousys (#980, #1076) socketcand (#1140) etas (#1144) Improved interfaces socketcan Support for multiple Cyclic Messages in Tasks (#610) ...
The library contains classes for processing, receiving, sending messages between any KBEngine components (both server and client). Implemented classes of low-level clients (UDP, TCP) that send, receive, serialize, deserialize messages ofKBEngine, both via an open TCP channel, and open a callback...