argv[0]);return1;}constchar*ip=argv[1];intport=atoi(argv[2]);printf("connect %s:%d...\n",ip,port);intsockfd=timeout_connect(ip,port,10);if(sockfd<0){perror("timeout_connect error");return1;}return0;}
client_fd=timeout_connect(ip,port,time); if(client_fd==-1) { close(client_fd); exit(EXIT_FAILURE); } printf("connect success!\n"); close(client_fd); exit(EXIT_SUCCESS); } int timeout_connect(const char* ip,int port,int time) { int client_fd; //创建套接字 if((client_fd=s...
网络编程中超时时间是一个重要但又容易被忽略的问题,对其的设置需要仔细斟酌。在经历了数次物理机宕机...
connect(connfd,(struct sockaddr *)&servaddr,sizeof(servaddr)); struct timeval stTimeValStruct; stTimeValStruct.tv_sec=5; stTimeValStruct.tv_usec=0; setsockopt(connfd,SOL_SOCKET,SO_SNDTIMEO,&stTimeValStruct,sizeof(stTimeValStruct)); while(1) { ret= write(connfd,sendbuf,sizeof(sendbuf))...
SO_RCVTIMEO, SO_SNDTIMEO介绍 套接字选项SO_RCVTIMEO: 用来设置socket接收数据的超时时间; 套接字选项SO_SNDTIMEO: 用来设置socket发送数据的超时时间; 比如,一般情况下,调用accept/connect/send/recv, 进程会阻塞,但是
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...
when SNDTIMEO stuff timeouts, you get: the timeout has been reached then -1 is returned with errno set to EAGAIN or EWOULDBLOCK, or EINPROGRESS (for connect(2)) ... Still EAGAIN can be returned when signal interrupts, so just the usual select() or poll() for 3 seconds would be proba...
(45454); // create a socket and connect to the server if ((sock = socket(AF_INET, SOCK_STREAM, 0)) < 0) perror("failed to create client socket"); else { if (connect(sock,(struct sockaddr *) &addr,sizeof(addr)) < 0) perror("failed to connect to server"); else ...
SO_RCVTIMEO,SO_SNDTIMEO介绍 套接字选项SO_RCVTIMEO: 用来设置socket接收数据的超时时间; 套接字选项SO_SNDTIMEO: 用来设置socket发送数据的超时时间; 比如,一般情况下,调用accept/connect/send/recv, 进程会阻塞,但是 ... Linux socket编程 #include
int timeout_connect(const char* ip,int port,int time) { int client_fd; //创建套接字 if((client_fd=socket(AF_INET,SOCK_STREAM,0))==-1){ perror("socket"); return -1; } //设置SO_SNDTIMEO超时选项 struct timeval timeout;