C++ (Cpp) iscsi_service_reconnect_if_loggedin Beispiele

Beispiel #1

Datei: socket.c Projekt: jh86/libiscsi

int
iscsi_tcp_service(struct iscsi_context *iscsi, int revents)
{
	if (iscsi->fd < 0) {
		return 0;
	}

	if (iscsi->pending_reconnect) {
		if (time(NULL) >= iscsi->next_reconnect) {
			return iscsi_reconnect(iscsi);
		} else {
			if (iscsi->old_iscsi) {
				return 0;
			}
		}
	}

	if (revents & POLLERR) {
		int err = 0;
		socklen_t err_size = sizeof(err);

		if (getsockopt(iscsi->fd, SOL_SOCKET, SO_ERROR,
			       (char *)&err, &err_size) != 0 || err != 0) {
			if (err == 0) {
				err = errno;
			}
			iscsi_set_error(iscsi, "iscsi_service: socket error "
					"%s(%d).",
					strerror(err), err);
		} else {
			iscsi_set_error(iscsi, "iscsi_service: POLLERR, "
					"Unknown socket error.");
		}
		if (iscsi->socket_status_cb) {
			iscsi->socket_status_cb(iscsi, SCSI_STATUS_ERROR, NULL,
						iscsi->connect_data);
			iscsi->socket_status_cb = NULL;
		}
		return iscsi_service_reconnect_if_loggedin(iscsi);
	}
	if (revents & POLLHUP) {
		iscsi_set_error(iscsi, "iscsi_service: POLLHUP, "
				"socket error.");
		if (iscsi->socket_status_cb) {
			iscsi->socket_status_cb(iscsi, SCSI_STATUS_ERROR, NULL,
						iscsi->connect_data);
			iscsi->socket_status_cb = NULL;
		}
		return iscsi_service_reconnect_if_loggedin(iscsi);
	}

	if (iscsi->is_connected == 0 && revents&POLLOUT) {
		int err = 0;
		socklen_t err_size = sizeof(err);
		struct sockaddr_in local;
		socklen_t local_l = sizeof(local);

		if (getsockopt(iscsi->fd, SOL_SOCKET, SO_ERROR,
			       (char *)&err, &err_size) != 0 || err != 0) {
			if (err == 0) {
				err = errno;
			}
			iscsi_set_error(iscsi, "iscsi_service: socket error "
					"%s(%d) while connecting.",
					strerror(err), err);
			if (iscsi->socket_status_cb) {
				iscsi->socket_status_cb(iscsi, SCSI_STATUS_ERROR,
							NULL, iscsi->connect_data);
				iscsi->socket_status_cb = NULL;
			}

			return iscsi_service_reconnect_if_loggedin(iscsi);
		}

		if (getsockname(iscsi->fd, (struct sockaddr *) &local, &local_l) == 0) {
			ISCSI_LOG(iscsi, 2, "connection established (%s:%u -> %s)", inet_ntoa(local.sin_addr),
						(unsigned)ntohs(local.sin_port),iscsi->connected_portal);
		}

		iscsi->is_connected = 1;
		if (iscsi->socket_status_cb) {
			iscsi->socket_status_cb(iscsi, SCSI_STATUS_GOOD, NULL,
						iscsi->connect_data);
			iscsi->socket_status_cb = NULL;
		}
		return 0;
	}

	if (revents & POLLIN) {
		if (iscsi_read_from_socket(iscsi) != 0) {
			return iscsi_service_reconnect_if_loggedin(iscsi);
		}
	}
	if (revents & POLLOUT) {
		if (iscsi_write_to_socket(iscsi) != 0) {
			return iscsi_service_reconnect_if_loggedin(iscsi);
		}
	}
	iscsi_timeout_scan(iscsi);

	return 0;
}

Beispiel #2

Datei: socket.c Projekt: jongrimm/libiscsi

int
iscsi_service(struct iscsi_context *iscsi, int revents)
{
	if (revents & POLLERR) {
		int err = 0;
		socklen_t err_size = sizeof(err);

		if (getsockopt(iscsi->fd, SOL_SOCKET, SO_ERROR,
			       &err, &err_size) != 0 || err != 0) {
			if (err == 0) {
				err = errno;
			}
			iscsi_set_error(iscsi, "iscsi_service: socket error "
					"%s(%d).",
					strerror(err), err);
		} else {
			iscsi_set_error(iscsi, "iscsi_service: POLLERR, "
					"Unknown socket error.");
		}
		iscsi->socket_status_cb(iscsi, SCSI_STATUS_ERROR, NULL,
					iscsi->connect_data);
		return iscsi_service_reconnect_if_loggedin(iscsi);
	}
	if (revents & POLLHUP) {
		iscsi_set_error(iscsi, "iscsi_service: POLLHUP, "
				"socket error.");
		iscsi->socket_status_cb(iscsi, SCSI_STATUS_ERROR, NULL,
					iscsi->connect_data);
		return iscsi_service_reconnect_if_loggedin(iscsi);
	}

	if (iscsi->is_connected == 0 && iscsi->fd != -1 && revents&POLLOUT) {
		int err = 0;
		socklen_t err_size = sizeof(err);
		if (getsockopt(iscsi->fd, SOL_SOCKET, SO_ERROR,
			       &err, &err_size) != 0 || err != 0) {
			if (err == 0) {
				err = errno;
			}
			iscsi_set_error(iscsi, "iscsi_service: socket error "
					"%s(%d) while connecting.",
					strerror(err), err);
			iscsi->socket_status_cb(iscsi, SCSI_STATUS_ERROR,
						NULL, iscsi->connect_data);
			return iscsi_service_reconnect_if_loggedin(iscsi);
		}

		DPRINTF(iscsi,2,"connection to %s established",iscsi->connected_portal);

		iscsi->is_connected = 1;
		iscsi->socket_status_cb(iscsi, SCSI_STATUS_GOOD, NULL,
					iscsi->connect_data);
		return 0;
	}

	if (revents & POLLOUT && iscsi->outqueue != NULL) {
		if (iscsi_write_to_socket(iscsi) != 0) {
			return iscsi_service_reconnect_if_loggedin(iscsi);
		}
	}
	if (revents & POLLIN) {
		if (iscsi_read_from_socket(iscsi) != 0) {
			return iscsi_service_reconnect_if_loggedin(iscsi);
		}
	}

	return 0;
}