C++ (Cpp) tcpsetkeepalive示例

示例#1

文件： sockopt.c 项目： tedcy/ydfs

int tcpsetserveropt(int fd, const int timeout)
{
	int flags;
	int result;

	struct linger linger;
	struct timeval waittime;

	linger.l_onoff = 1;
	linger.l_linger = timeout;
	if (setsockopt(fd, SOL_SOCKET, SO_LINGER, \
                &linger, (socklen_t)sizeof(struct linger)) < 0)
	{
		logError("file: "__FILE__", line: %d, " \
			"setsockopt failed, errno: %d, error info: %s", \
			__LINE__, errno, strerror(errno));
		return errno != 0 ? errno : ENOMEM;
	}

	waittime.tv_sec = timeout;
	waittime.tv_usec = 0;

	if (setsockopt(fd, SOL_SOCKET, SO_SNDTIMEO,
               &waittime, (socklen_t)sizeof(struct timeval)) < 0)
	{
		logError("file: "__FILE__", line: %d, " \
			"setsockopt failed, errno: %d, error info: %s", \
			__LINE__, errno, strerror(errno));
		return errno != 0 ? errno : ENOMEM;
	}

	if (setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO,
               &waittime, (socklen_t)sizeof(struct timeval)) < 0)
	{
		logError("file: "__FILE__", line: %d, " \
			"setsockopt failed, errno: %d, error info: %s", \
			__LINE__, errno, strerror(errno));
		return errno != 0 ? errno : ENOMEM;
	}
	
	flags = 1;
	if (setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, \
		(char *)&flags, sizeof(flags)) < 0)
	{
		logError("file: "__FILE__", line: %d, " \
			"setsockopt failed, errno: %d, error info: %s", \
			__LINE__, errno, strerror(errno));
		return errno != 0 ? errno : EINVAL;
	}

	if ((result=tcpsetkeepalive(fd, 2 * timeout + 1)) != 0)
	{
		return result;
	}

	return 0;
}

示例#2

文件： sockopt.c 项目： zhangjinde/libfastcommon

int tcpsetnodelay(int fd, const int timeout)
{
	int flags;
	int result;

	if ((result=tcpsetkeepalive(fd, 2 * timeout + 1)) != 0)
	{
		return result;
	}

	flags = 1;
	if (setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, \
			(char *)&flags, sizeof(flags)) < 0)
	{
		logError("file: "__FILE__", line: %d, " \
			"setsockopt failed, errno: %d, error info: %s", \
			__LINE__, errno, STRERROR(errno));
		return errno != 0 ? errno : EINVAL;
	}

	return 0;
}

示例#3

文件： sockopt.c 项目： aducode/fastdfs

int tcpsetserveropt(int fd, const int timeout)
{
	int flags;
	int result;

	struct linger linger;
	struct timeval waittime;

	linger.l_onoff = 1;
	linger.l_linger = timeout * 100;
	if (setsockopt(fd, SOL_SOCKET, SO_LINGER, \
                &linger, (socklen_t)sizeof(struct linger)) < 0)
	{
		logError("file: "__FILE__", line: %d, " \
			"setsockopt failed, errno: %d, error info: %s", \
			__LINE__, errno, STRERROR(errno));
		return errno != 0 ? errno : ENOMEM;
	}

	waittime.tv_sec = timeout;
	waittime.tv_usec = 0;

	if (setsockopt(fd, SOL_SOCKET, SO_SNDTIMEO,
               &waittime, (socklen_t)sizeof(struct timeval)) < 0)
	{
		logWarning("file: "__FILE__", line: %d, " \
			"setsockopt failed, errno: %d, error info: %s", \
			__LINE__, errno, STRERROR(errno));
	}

	if (setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO,
               &waittime, (socklen_t)sizeof(struct timeval)) < 0)
	{
		logWarning("file: "__FILE__", line: %d, " \
			"setsockopt failed, errno: %d, error info: %s", \
			__LINE__, errno, STRERROR(errno));
	}

	/*
	{
	int bytes;
	int size;

	bytes = 0;
	size = sizeof(int);
	if (getsockopt(fd, SOL_SOCKET, SO_SNDBUF,
		&bytes, (socklen_t *)&size) < 0)
	{
		logError("file: "__FILE__", line: %d, " \
			"getsockopt failed, errno: %d, error info: %s", \
			__LINE__, errno, STRERROR(errno));
		return errno != 0 ? errno : ENOMEM;
	}
	printf("send buff size: %d\n", bytes);

	if (getsockopt(fd, SOL_SOCKET, SO_RCVBUF,
		&bytes, (socklen_t *)&size) < 0)
	{
		logError("file: "__FILE__", line: %d, " \
			"getsockopt failed, errno: %d, error info: %s", \
			__LINE__, errno, STRERROR(errno));
		return errno != 0 ? errno : ENOMEM;
	}
	printf("recv buff size: %d\n", bytes);
	}
	*/

	flags = 1;
	if (setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, \
		(char *)&flags, sizeof(flags)) < 0)
	{
		logError("file: "__FILE__", line: %d, " \
			"setsockopt failed, errno: %d, error info: %s", \
			__LINE__, errno, STRERROR(errno));
		return errno != 0 ? errno : EINVAL;
	}

	if ((result=tcpsetkeepalive(fd, 2 * timeout + 1)) != 0)
	{
		return result;
	}

	return 0;
}