#define BUFSIZE 1024 class filesender_t { public: /* 通过给定的socket远程传输一个文件. * 'filename': 文件名. * 'socket': 已建立连接的socket. * 结束的时候socket会被关闭. */ void sendFile(const char *filename, int socket) { int fd; int nread; int nwrite, i; char buf[BUFSIZE]; ...
That is problem in my code. My socket is non blocking. Then we have to put what I did while (RECEIVED > 0) { receivedBytes = recvfrom(ListenSocket, ReceiveBuffer, BUFFERSZ, 0, 0, 0); ierr = WSAGetLastError(); if (ierr == WSAEWOULDBLOCK) ...
a reverse TCP tunnel let you access target behind NAT or firewall - set socket to non-blocking mode when adding to SocketBridge · aploium/shootback@1a0d1a3
线程每每停留在send()调用那里,我始终没怀疑到:用ioctl设置FIONBIO成功之后,socket竟然还是阻塞的。
正确的做法应该是使用fcntl: int flags = fcntl(m_sock, F_GETFL, 0); fcntl(m_sock, F_SETFL, flags|O_NONBLOCK); 这真是一个隐蔽的问题,折腾了我两天。线程每每停留在send()调用那里,我始终没怀疑到:用ioctl设置FIONBIO成功之后,socket竟然还是阻塞的。
[linux] 将socket设置为非阻塞(non-blocking) 原文: 有一个非常有迷惑性的做法是: u_long has = 1; ioctl(m_sock, FIONBIO , &has); fcntl(m_sock, F_SETFL, flags|O_NONBLOCK); 这真是一个隐蔽的问题,折腾了我两天。线程每每停留在send()调用那里,我始终没怀疑到:用ioctl设置FIONBIO成功之后,socket...
Add lwip_fcntl(_sock, F_SETFL, O_NONBLOCK); in start_server() and start_server_v6() to enable lwip non-blocking mode. Remarks **Thanks for Ameba Arduino user @jojoling's help with raising this bug...
my_net_init calls vio_blocking to put the socket in non-blocking mode. It ignores the return value from vio_blocking. my_real_read calls vio_blocking in a loop until it returns a value >= 0. Why doesn't my_net_init check the return value?
The "non-blocking" mode is set by changing one of the socket's "flags". The flags are a series of bits, each one representing a different capability of the socket. So, to turn on non-blocking mode requires three steps:Call the fcntl() API to retrieve the socket descriptor's current ...
When a socket is created, by default it is a blocking socket.To change the socket operation mode from blocking mode to nonblocking mode, you can either use WSAAsyncSelect(), WSAEventSelect(), or the FIONBIO command in the ioctlsocket() API call. ...