X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Ftracker.c;h=312d7bce07601ee26a87ae82a5cd6821d8d16285;hp=afc253def71f990f77bb50923adde56bf481880e;hb=ab5be9fa2eb5ba9600a82cd18fd3cfcbac69169a;hpb=e283e4a062cc16b5839a8a479e12498789320b5e

diff --git a/src/common/tracker.c b/src/common/tracker.c
index afc253def..312d7bce0 100644
--- a/src/common/tracker.c
+++ b/src/common/tracker.c
@@ -1,18 +1,8 @@
 /*
- * Copyright (C) 2019 - Jonathan Rajotte-Julien <jonathan.rajotte-julien@efficios.com>
+ * Copyright (C) 2019 Jonathan Rajotte-Julien <jonathan.rajotte-julien@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 <assert.h>
@@ -277,13 +267,13 @@ const struct lttng_tracker_id *lttng_tracker_ids_get_at_index(
 	return lttng_tracker_ids_get_pointer_of_index(ids, index);
 }
 
-int lttng_tracker_ids_get_count(const struct lttng_tracker_ids *ids, unsigned int *count)
+enum lttng_tracker_id_status lttng_tracker_ids_get_count(const struct lttng_tracker_ids *ids, unsigned int *count)
 {
 
-	enum lttng_tracker_id_status status = LTTNG_ROTATION_STATUS_OK;
+	enum lttng_tracker_id_status status = LTTNG_TRACKER_ID_STATUS_OK;
 
 	if (!ids || !count) {
-		status = LTTNG_ROTATION_STATUS_INVALID;
+		status = LTTNG_TRACKER_ID_STATUS_INVALID;
 		goto end;
 	}
 
@@ -304,3 +294,74 @@ void lttng_tracker_ids_destroy(struct lttng_tracker_ids *ids)
 	free(ids->id_array);
 	free(ids);
 }
+
+int lttng_tracker_ids_serialize(const struct lttng_tracker_ids *ids,
+		struct lttng_dynamic_buffer *buffer)
+{
+	int ret;
+	int value;
+	const char *string;
+	unsigned int count;
+	enum lttng_tracker_id_status status;
+	const struct lttng_tracker_id *id;
+
+	status = lttng_tracker_ids_get_count(ids, &count);
+	if (status != LTTNG_TRACKER_ID_STATUS_OK) {
+		ret = LTTNG_ERR_INVALID;
+		goto error;
+	}
+
+	for (unsigned int i = 0; i < count; i++) {
+		struct lttcomm_tracker_id_header id_hdr;
+		size_t var_data_len = 0;
+
+		id = lttng_tracker_ids_get_at_index(ids, i);
+		if (!id) {
+			ret = -LTTNG_ERR_INVALID;
+			goto error;
+		}
+
+		memset(&id_hdr, 0, sizeof(id_hdr));
+		id_hdr.type = lttng_tracker_id_get_type(id);
+		switch (id_hdr.type) {
+		case LTTNG_ID_ALL:
+			break;
+		case LTTNG_ID_VALUE:
+			status = lttng_tracker_id_get_value(id, &value);
+			id_hdr.u.value = value;
+			if (status != LTTNG_TRACKER_ID_STATUS_OK) {
+				ret = -LTTNG_ERR_INVALID;
+				goto error;
+			}
+			break;
+		case LTTNG_ID_STRING:
+			status = lttng_tracker_id_get_string(
+					id, &string);
+			if (status != LTTNG_TRACKER_ID_STATUS_OK) {
+				ret = -LTTNG_ERR_INVALID;
+				goto error;
+			}
+
+			id_hdr.u.var_data_len = var_data_len =
+					strlen(string) + 1;
+			break;
+		default:
+			ret = -LTTNG_ERR_INVALID;
+			goto error;
+		}
+		ret = lttng_dynamic_buffer_append(
+				buffer, &id_hdr, sizeof(id_hdr));
+		if (ret) {
+			ret = -LTTNG_ERR_NOMEM;
+			goto error;
+		}
+		ret = lttng_dynamic_buffer_append(
+				buffer, string, var_data_len);
+		if (ret) {
+			ret = -LTTNG_ERR_NOMEM;
+			goto error;
+		}
+	}
+error:
+	return ret;
+}