您是想问qtudpbindip和port地址不可用怎么回事？这种情况的原因如下：1、端口被占用：确保绑定的端口没有被其他程序占用。可以通过命令行工具（如netstat）来查看当前系统中已经被占用的端口，并选择一个空闲的端口进行绑定。2、权限限制：如果程序尝试绑定低于1024的端口（如80、443等），可能会因为权限限...
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elseif( sockfd == udpfd ) { charbuf[ UDP_BUFFER_SIZE ]; memset( buf,'\0', UDP_BUFFER_SIZE ); structsockaddr_in client_address; socklen_t client_addrlength =sizeof( client_address ); ret = recvfrom( udpfd, buf, UDP_BUFFER_SIZE-1, 0, (structsockaddr* )&client_address, &client...
Bind the UDP receive port to the desired address. Browse files Binding to INADDR_ANY causes us to receive datagrams destined for our port to any address, which can be problematic if, for example, there are different LCM publishers using different multicast addresses and the same port....
针对你遇到的“failed to bind port 0.0.0.0:53/udp”错误,我们可以从以下几个方面进行排查和解决: 1. 确认错误信息的含义 该错误信息表明程序尝试绑定到IP地址0.0.0.0的53端口(UDP协议)时失败了。0.0.0.0通常表示绑定到所有可用的网络接口,而53端口是DNS服务的标准端口。 2. 检查端口53的使用情况 端口53可能被...
I have a service that listens on a port for both tcp and udp. I'd like to run something like docker run -p 8080 -p 8080/udp -i -t image_name and have docker use a same port on the host for tcp and udp. Where should I dig into if I want t...
I am switching my app to use the new udpport. It works the first time I use it. However, when I close the app, then run it again and attempt to connect, it seems that the resource is still in use: Error: "Unable to bind to LOCALHOST...
Systemwalker Centric Manager において、性能監視拡張エージェントの再起動を行ったところ、「bind() failed on UDP port 161」というメッセージが出力されました。 Systemwalker Centric Managerのよくあるご質問を検索できます。 性能監視拡張エージェントの再起動を行ったところ、「bind() failed ...
I need some guidance on how to Bind a UDP socket to a port and then read from server. The server is already done I just need help with the client here is what I have so far.One more thing, I don't know if I am using the ports right, 49009 is the server por...
address.sin_port = htons( port ); intudpfd = socket( PF_INET, SOCK_DGRAM, 0 ); assert( udpfd >= 0 ); ret = bind( udpfd, (structsockaddr* )&address,sizeof( address ) ); assert( ret != -1 ); epoll_event events[ MAX_EVENT_NUMBER ]; ...