+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 (!location_comm_view.data) {
+ goto error;
+ }
+ offset += location_comm_view.size;
+ location_comm = (const struct lttng_trace_archive_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 (!absolute_path_view.data) {
+ 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 (!hostname_view.data || !relative_path_view.data) {
+ 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;
+}
+