/*
- * Copyright (C) 2018 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ * Copyright (C) 2018 Jérémie Galarneau <jeremie.galarneau@efficios.com>
*
- * This library is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License, version 2.1 only,
- * as published by the Free Software Foundation.
+ * SPDX-License-Identifier: LGPL-2.1-only
*
- * This library is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
- * for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this library; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <lttng/location-internal.h>
return NULL;
}
+LTTNG_HIDDEN
+ssize_t lttng_trace_archive_location_create_from_buffer(
+ const struct lttng_buffer_view *view,
+ struct lttng_trace_archive_location **location)
+{
+ size_t offset = 0;
+ const struct lttng_trace_archive_location_comm *location_comm;
+ struct lttng_buffer_view location_comm_view;
+
+ location_comm_view = lttng_buffer_view_from_view(view, 0,
+ sizeof(*location_comm));
+ if (!lttng_buffer_view_is_valid(&location_comm_view)) {
+ goto error;
+ }
+
+ offset += location_comm_view.size;
+ location_comm = (const struct lttng_trace_archive_location_comm *) location_comm_view.data;
+
+ switch ((enum lttng_trace_archive_location_type) location_comm->type) {
+ case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_LOCAL:
+ {
+ const struct lttng_buffer_view absolute_path_view =
+ lttng_buffer_view_from_view(view, offset,
+ location_comm->types.local.absolute_path_len);
+
+ if (!lttng_buffer_view_is_valid(&absolute_path_view)) {
+ goto error;
+ }
+
+ if (absolute_path_view.data[absolute_path_view.size - 1] != '\0') {
+ goto error;
+ }
+ offset += absolute_path_view.size;
+
+ *location = lttng_trace_archive_location_local_create(
+ absolute_path_view.data);
+ if (!*location) {
+ goto error;
+ }
+ break;
+ }
+ case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY:
+ {
+ const struct lttng_buffer_view hostname_view =
+ lttng_buffer_view_from_view(view, offset,
+ location_comm->types.relay.hostname_len);
+ const struct lttng_buffer_view relative_path_view =
+ lttng_buffer_view_from_view(view,
+ offset + hostname_view.size,
+ location_comm->types.relay.relative_path_len);
+
+ if (!lttng_buffer_view_is_valid(&hostname_view) ||
+ !lttng_buffer_view_is_valid(
+ &relative_path_view)) {
+ goto error;
+ }
+
+ if (hostname_view.data[hostname_view.size - 1] != '\0') {
+ goto error;
+ }
+ if (relative_path_view.data[relative_path_view.size - 1] != '\0') {
+ goto error;
+ }
+ offset += hostname_view.size + relative_path_view.size;
+
+ *location = lttng_trace_archive_location_relay_create(
+ hostname_view.data,
+ (enum lttng_trace_archive_location_relay_protocol_type) location_comm->types.relay.protocol,
+ location_comm->types.relay.ports.control,
+ location_comm->types.relay.ports.data,
+ relative_path_view.data);
+ if (!*location) {
+ goto error;
+ }
+ break;
+ }
+ default:
+ goto error;
+ }
+
+ return offset;
+error:
+ return -1;
+}
+
+LTTNG_HIDDEN
+ssize_t lttng_trace_archive_location_serialize(
+ const struct lttng_trace_archive_location *location,
+ struct lttng_dynamic_buffer *buffer)
+{
+ int ret;
+ struct lttng_trace_archive_location_comm location_comm;
+
+ location_comm.type = (int8_t) location->type;
+
+ switch (location->type) {
+ case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_LOCAL:
+ location_comm.types.local.absolute_path_len =
+ strlen(location->types.local.absolute_path) + 1;
+ break;
+ case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY:
+ location_comm.types.relay.hostname_len =
+ strlen(location->types.relay.host) + 1;
+ location_comm.types.relay.protocol =
+ (int8_t) location->types.relay.protocol;
+ location_comm.types.relay.ports.control =
+ location->types.relay.ports.control;
+ location_comm.types.relay.ports.data =
+ location->types.relay.ports.data;
+ location_comm.types.relay.relative_path_len =
+ strlen(location->types.relay.relative_path) + 1;
+ break;
+ default:
+ abort();
+ }
+
+ ret = lttng_dynamic_buffer_append(buffer, &location_comm,
+ sizeof(location_comm));
+ if (ret) {
+ goto error;
+ }
+
+ switch (location->type) {
+ case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_LOCAL:
+ ret = lttng_dynamic_buffer_append(buffer,
+ location->types.local.absolute_path,
+ location_comm.types.local.absolute_path_len);
+ if (ret) {
+ goto error;
+ }
+ break;
+ case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY:
+ ret = lttng_dynamic_buffer_append(buffer,
+ location->types.relay.host,
+ location_comm.types.relay.hostname_len);
+ if (ret) {
+ goto error;
+ }
+ ret = lttng_dynamic_buffer_append(buffer,
+ location->types.relay.relative_path,
+ location_comm.types.relay.relative_path_len);
+ if (ret) {
+ goto error;
+ }
+ break;
+ default:
+ abort();
+ }
+
+ return 0;
+error:
+ return -1;
+}
+
enum lttng_trace_archive_location_type lttng_trace_archive_location_get_type(
const struct lttng_trace_archive_location *location)
{
projects / lttng-tools.git / blobdiff