C++ (Cpp) _set_nonblocking Examples

Example #1

File: mread.c Project: kyelin/skynet

struct mread_pool *
mread_create(uint32_t addr, int port , int max , int buffer_size) {
	int listen_fd = socket(AF_INET, SOCK_STREAM, 0);
	if (listen_fd == -1) {
		return NULL;
	}
	if ( -1 == _set_nonblocking(listen_fd) ) {
		return NULL;
	}

	int reuse = 1;
	setsockopt(listen_fd, SOL_SOCKET, SO_REUSEADDR, &reuse, sizeof(int));

	struct sockaddr_in my_addr;
	memset(&my_addr, 0, sizeof(struct sockaddr_in));
	my_addr.sin_family = AF_INET;
	my_addr.sin_port = htons(port);
	my_addr.sin_addr.s_addr = addr;
//	printf("MREAD bind %s:%u\n",inet_ntoa(my_addr.sin_addr),ntohs(my_addr.sin_port));
	if (bind(listen_fd, (struct sockaddr *)&my_addr, sizeof(struct sockaddr)) == -1) {
		close(listen_fd);
		return NULL;
	}
	if (listen(listen_fd, BACKLOG) == -1) {
		close(listen_fd);
		return NULL;
	}

	struct mread_pool * self = malloc(sizeof(*self));
	self->max_connection = max;
	self->closed = 0;
	self->active = -1;
	self->skip = 0;
	self->sockets = _create_sockets(max);
	self->free_socket = &self->sockets[0];
	self->queue_len = 0;
	self->queue_head = 0;
	if (buffer_size == 0) {
		self->rb = _create_rb(RINGBUFFER_DEFAULT);
	} else {
		self->rb = _create_rb(buffer_size);
	}

#ifdef HAVE_EPOLL
	int epoll_fd = epoll_create(max + 1);
	if (epoll_fd == -1) {
		close(listen_fd);
		return NULL;
	}

	struct epoll_event ev;
	ev.events = EPOLLIN;
	ev.data.ptr = LISTENSOCKET;

	if (epoll_ctl(epoll_fd, EPOLL_CTL_ADD, listen_fd, &ev) == -1) {
		close(listen_fd);
		close(epoll_fd);
		return NULL;
	}
#elif HAVE_KQUEUE
	int kqueue_fd = kqueue();
	if (kqueue_fd == -1) {
		close(listen_fd);
		return NULL;
	}

	struct kevent ke;
	EV_SET(&ke, listen_fd, EVFILT_READ, EV_ADD, 0, 0, LISTENSOCKET);
	if (kevent(kqueue_fd, &ke, 1, NULL, 0, NULL) == -1) {
		close(listen_fd);
		close(kqueue_fd);
		return NULL;
	}
#elif defined(_WIN32)
	HANDLE iocp = CreateIoCompletionPort(INVALID_HANDLE_VALUE, NULL, 0,2);//todo fix 2
	if(iocp == NULL){
		printf("error:create iocp:%d \n",WSAGetLastError());
		return NULL;
	}
	CreateIoCompletionPort((HANDLE)listen_fd,iocp,listen_fd, 0);
	GUID guidAcceptEx = WSAID_ACCEPTEX;
	DWORD dwBytes = 0;
        if (!WSAIoctl(listen_fd, SIO_GET_EXTENSION_FUNCTION_POINTER,
        	&guidAcceptEx, sizeof(guidAcceptEx), &lpfnAcceptEx, sizeof(lpfnAcceptEx),
        	&dwBytes, NULL, NULL) == 0)
   	 {
        	printf("WSAIoctl error:%d \n",WSAGetLastError());
        	return NULL;
    	}	

	
	int peer_socket = socket(AF_INET,SOCK_STREAM,0);
	if(peer_socket== INVALID_SOCKET){
        	printf("create socket  error:%d \n",WSAGetLastError());
		return NULL;
	}
	struct socket * s2=_add_client(self,peer_socket);
	BOOL bRet = lpfnAcceptEx(listen_fd,peer_socket,s2->data, 0,
        	sizeof(SOCKADDR_IN)+16, sizeof(SOCKADDR_IN)+16, &dwBytes,
       	 &(s2->ol));
   	 if (bRet == FALSE)
   	 {
        	if (WSAGetLastError() != ERROR_IO_PENDING){
        		printf("WSAIoctl error:%d \n",WSAGetLastError());
			return NULL;
		}
    	}
#endif
	self->listen_fd = listen_fd;
#ifdef HAVE_EPOLL
	self->epoll_fd = epoll_fd;
#elif HAVE_KQUEUE
	self->kqueue_fd = kqueue_fd;
#elif defined(_WIN32)
	self->iocp= iocp;
#endif
	return self;
}

Example #2

File: mread.c Project: sshic/skynet

struct mread_pool *
mread_create(uint32_t addr, int port , int max , int buffer_size) {
	int listen_fd = socket(AF_INET, SOCK_STREAM, 0);
	if (listen_fd == -1) {
		return NULL;
	}
	if ( -1 == _set_nonblocking(listen_fd) ) {
		return NULL;
	}

	int reuse = 1;
	setsockopt(listen_fd, SOL_SOCKET, SO_REUSEADDR, &reuse, sizeof(int));

	struct sockaddr_in my_addr;
	memset(&my_addr, 0, sizeof(struct sockaddr_in));
	my_addr.sin_family = AF_INET;
	my_addr.sin_port = htons(port);
	my_addr.sin_addr.s_addr = addr;
//	printf("MREAD bind %s:%u\n",inet_ntoa(my_addr.sin_addr),ntohs(my_addr.sin_port));
	if (bind(listen_fd, (struct sockaddr *)&my_addr, sizeof(struct sockaddr)) == -1) {
		close(listen_fd);
		return NULL;
	}
	if (listen(listen_fd, BACKLOG) == -1) {
		close(listen_fd);
		return NULL;
	}

	int epoll_fd = epoll_create(max + 1);
	if (epoll_fd == -1) {
		close(listen_fd);
		return NULL;
	}

	struct epoll_event ev;
	ev.events = EPOLLIN;
	ev.data.ptr = LISTENSOCKET;

	if (epoll_ctl(epoll_fd, EPOLL_CTL_ADD, listen_fd, &ev) == -1) {
		close(listen_fd);
		close(epoll_fd);
		return NULL;
	}

	struct mread_pool * self = malloc(sizeof(*self));

	self->listen_fd = listen_fd;
	self->epoll_fd = epoll_fd;
	self->max_connection = max;
	self->closed = 0;
	self->active = -1;
	self->skip = 0;
	self->sockets = _create_sockets(max);
	self->free_socket = &self->sockets[0];
	self->queue_len = 0;
	self->queue_head = 0;
	if (buffer_size == 0) {
		self->rb = _create_rb(RINGBUFFER_DEFAULT);
	} else {
		self->rb = _create_rb(buffer_size);
	}

	return self;
}