当使用getsockopt查询套接字的超时设置时,可以检查并调整这些设置以避免超时。例如,在Python中,可以使用socket模块的settimeout方法来设置套接字的超时时间。在C语言中,可以通过设置套接字选项(如SO_RCVTIMEO和SO_SNDTIMEO)来调整接收和发送数据的超时时间。
另外,当connect连接失败时,sockfd套接口不可用,必须关闭后重新socket分配才行。 getsockopt 和setsockopt还可能引发以下错误: getsockopt/setsockopt(2) man page 写道 ERRORS The getsockopt() and setsockopt() system calls will succeed unless: [EBADF] The argument socket is not a valid file descriptor. [EFAUL...
}elseif( ret ==1)//有两种情况会导致文件描述符变为可写入的状态/准备好的状态{/*ret返回为1(表示套接字可写),可能有两种情况,一种是连接建立成功,一种是套接字产生错误,*//*此时错误信息不会保存至errno变量中,因此,需要调用getsockopt来获取。*/sockoptret= getsockopt(fd, SOL_SOCKET, SO_ERROR, &e...
如果想要在套接字层面上进行配置,则将此项设置为SOL_SOCKET。 optname:需要访问的选项名 (后面会有)(取决于level) optval:对于getsockopt(),指向返回选项值的缓冲。对于setsockopt(),指向包含新选项值的缓冲。 optlen:对于getsockopt(),作为入口参数时,选项值的最大长度。作为出口参数时,选项值的实际长度。对于setso...
tm.tv_sec = TIME_OUT_TIME; //设置timeout时间30s tm.tv_usec = 0; FD_ZERO(&set); FD_SET(sockfd, &set); if(select(sockfd+1, NULL, &set, NULL, &tm) > 0) { //返回当前sockfd错误状态,即SO_ERROR getsockopt(sockfd, SOL_SOCKET, SO_ERROR, &error, (socklen_t *)&len); ...
Issue description When applying zmq_getsockopt on a sub socket, which has not (succesfully) been able to make an upstream connection (or timeout) triggers a segmentation fault in zmq_getsockopt, while it is expected sockopt_invalid is re...
'dial tcp 127.0.0.1:3306: getsockopt: connection refused', mysqld: dial tcp 127.0.0.1:3306: connect: connection refused. 5. dial tcp 127.0.0.1:8080: connect: connection refused. go docker app. Hot Network Questions Should I call ahead to land at a Class B airport? Do I have to pay ...
getsockopt(11, SOL_SOCKET, SO_ERROR, [ECONNREFUSED], [4]) = 0 The key to me was seeing "sin_port=htons(5679)" repeated over and over again, indicating a repeated attempt to connect to the broker. I have the config set: 'broker_transport_options': {'max_retries':3} ...
if (::getsockopt(channel_->fd(), SOL_SOCKET, optval, &optlen) < 0) { err = errno; } else { err = 0; } LOG_ERROR("TcpConnection::handleError [%s] - SO_ERROR = %d\n", name_.c_str(), err); } void TcpConnection::send(const std::string &buf) { ...
File"/opt/google-appengine-python/google/appengine/api/remote_socket/_remote_socket.py", line1112, ingetsockoptraise_SystemExceptionFromAppError(e)ProtocolError:('Connection aborted.', error(13, 'Permission denied')) Contributor t-8chcommentedAug 28, 2014 ...