Exemple #1
0
/*
 * bind to "base_name-local_name"
 * connect to "base_name-remote_name"
 * output sock_pt
 */
static int32_t
qb_ipc_dgram_sock_connect(const char *base_name,
			  const char *local_name,
			  const char *remote_name,
			  int32_t max_msg_size, int32_t * sock_pt)
{
	char sock_path[PATH_MAX];
	struct sockaddr_un remote_address;
	int32_t res = qb_ipc_dgram_sock_setup(base_name, local_name,
					      sock_pt);
	if (res < 0) {
		return res;
	}

	snprintf(sock_path, PATH_MAX, "%s-%s", base_name, remote_name);
	set_sock_addr(&remote_address, sock_path);
	if (connect(*sock_pt, (struct sockaddr *)&remote_address,
		    QB_SUN_LEN(&remote_address)) == -1) {
		res = -errno;
		goto error_connect;
	}

	return set_sock_size(*sock_pt, max_msg_size);

error_connect:
	close(*sock_pt);
	*sock_pt = -1;

	return res;
}
Exemple #2
0
static int32_t
_finish_connecting(struct qb_ipc_one_way *one_way)
{
	struct sockaddr_un remote_address;
	int res;
	int error;
	int retry = 0;

	set_sock_addr(&remote_address, one_way->u.us.sock_name);

	/* this retry loop is here to help connecting when trying to send
	 * an event right after connection setup.
	 */
	do {
		errno = 0;
		res = connect(one_way->u.us.sock,
			      (struct sockaddr *)&remote_address,
			      QB_SUN_LEN(&remote_address));
		if (res == -1) {
			error = -errno;
			qb_util_perror(LOG_DEBUG, "error calling connect()");
			retry++;
			usleep(100000);
		}
	} while (res == -1 && retry < 10);
	if (res == -1) {
		return error;
	}

	free(one_way->u.us.sock_name);
	one_way->u.us.sock_name = NULL;

	return set_sock_size(one_way->u.us.sock, one_way->max_msg_size);
}
Exemple #3
0
static int32_t
qb_ipc_dgram_sock_setup(const char *base_name,
			const char *service_name, int32_t * sock_pt,
			gid_t gid)
{
	int32_t request_fd;
	struct sockaddr_un local_address;
	int32_t res = 0;
	char sock_path[PATH_MAX];

	request_fd = socket(PF_UNIX, SOCK_DGRAM, 0);
	if (request_fd == -1) {
		return -errno;
	}

	qb_socket_nosigpipe(request_fd);
	res = qb_sys_fd_nonblock_cloexec_set(request_fd);
	if (res < 0) {
		goto error_connect;
	}
	snprintf(sock_path, PATH_MAX, "%s-%s", base_name, service_name);
	set_sock_addr(&local_address, sock_path);
#if !(defined(QB_LINUX) || defined(QB_CYGWIN))
	res = unlink(local_address.sun_path);
#endif
	res = bind(request_fd, (struct sockaddr *)&local_address,
		   sizeof(local_address));
#if !(defined(QB_LINUX) || defined(QB_CYGWIN))
	chmod(local_address.sun_path, 0660);
	chown(local_address.sun_path, -1, gid);
#endif
	if (res < 0) {
		goto error_connect;
	}

	*sock_pt = request_fd;
	return 0;

error_connect:
	close(request_fd);
	*sock_pt = -1;

	return res;
}
Exemple #4
0
static int32_t
qb_ipc_dgram_sock_setup(const char *base_name,
			const char *service_name, int32_t * sock_pt)
{
	int32_t request_fd;
	struct sockaddr_un local_address;
	int32_t res = 0;
	char sock_path[PATH_MAX];

	request_fd = socket(PF_UNIX, SOCK_DGRAM, 0);
	if (request_fd == -1) {
		return -errno;
	}

	qb_socket_nosigpipe(request_fd);
	res = qb_sys_fd_nonblock_cloexec_set(request_fd);
	if (res < 0) {
		goto error_connect;
	}
	snprintf(sock_path, PATH_MAX, "%s-%s", base_name, service_name);
	set_sock_addr(&local_address, sock_path);
	res = bind(request_fd, (struct sockaddr *)&local_address,
		   sizeof(local_address));
	if (res < 0) {
		goto error_connect;
	}

	*sock_pt = request_fd;
	return 0;

error_connect:
	close(request_fd);
	*sock_pt = -1;

	return res;
}