/*
- * Copyright (C) 2014 - Jonathan Rajotte <jonathan.r.julien@gmail.com>
- * - Olivier Cotte <olivier.cotte@polymtl.ca>
- * Copyright (C) 2016 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ * Copyright (C) 2014 Jonathan Rajotte <jonathan.r.julien@gmail.com>
+ * Copyright (C) 2014 Olivier Cotte <olivier.cotte@polymtl.ca>
+ * Copyright (C) 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License, version 2 only, as
- * published by the Free Software Foundation.
+ * SPDX-License-Identifier: GPL-2.0-only
*
- * This program 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 General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 51
- * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
+#include "lttng/tracker.h"
#define _LGPL_SOURCE
+#include "mi-lttng.h"
#include <common/config/session-config.h>
#include <common/defaults.h>
-#include <lttng/snapshot-internal.h>
+#include <common/tracker.h>
#include <lttng/channel.h>
-#include "mi-lttng.h"
+#include <lttng/snapshot-internal.h>
#include <assert.h>
-#define MI_SCHEMA_MAJOR_VERSION 3
+#define MI_SCHEMA_MAJOR_VERSION 4
#define MI_SCHEMA_MINOR_VERSION 0
/* Machine interface namespace URI */
LTTNG_HIDDEN const char * const mi_lttng_element_command_rotate = "rotate";
LTTNG_HIDDEN const char * const mi_lttng_element_command_enable_rotation = "enable-rotation";
LTTNG_HIDDEN const char * const mi_lttng_element_command_disable_rotation = "disable-rotation";
+LTTNG_HIDDEN const char * const mi_lttng_element_command_clear = "clear";
/* Strings related to version command */
const char * const mi_lttng_element_version = "version";
LTTNG_HIDDEN
int mi_lttng_trackers_open(struct mi_writer *writer)
{
- return mi_lttng_writer_open_element(writer, config_element_trackers);
+ return mi_lttng_writer_open_element(
+ writer, config_element_process_attr_trackers);
+}
+
+static int get_tracker_elements(enum lttng_process_attr process_attr,
+ const char **element_process_attr_tracker,
+ const char **element_process_attr_value)
+{
+ int ret = 0;
+
+ switch (process_attr) {
+ case LTTNG_PROCESS_ATTR_PROCESS_ID:
+ *element_process_attr_tracker =
+ config_element_process_attr_tracker_pid;
+ *element_process_attr_value =
+ config_element_process_attr_pid_value;
+ break;
+ case LTTNG_PROCESS_ATTR_VIRTUAL_PROCESS_ID:
+ *element_process_attr_tracker =
+ config_element_process_attr_tracker_vpid;
+ *element_process_attr_value =
+ config_element_process_attr_vpid_value;
+ break;
+ case LTTNG_PROCESS_ATTR_USER_ID:
+ *element_process_attr_tracker =
+ config_element_process_attr_tracker_uid;
+ *element_process_attr_value =
+ config_element_process_attr_uid_value;
+ break;
+ case LTTNG_PROCESS_ATTR_VIRTUAL_USER_ID:
+ *element_process_attr_tracker =
+ config_element_process_attr_tracker_vuid;
+ *element_process_attr_value =
+ config_element_process_attr_vuid_value;
+ break;
+ case LTTNG_PROCESS_ATTR_GROUP_ID:
+ *element_process_attr_tracker =
+ config_element_process_attr_tracker_gid;
+ *element_process_attr_value =
+ config_element_process_attr_gid_value;
+ break;
+ case LTTNG_PROCESS_ATTR_VIRTUAL_GROUP_ID:
+ *element_process_attr_tracker =
+ config_element_process_attr_tracker_vgid;
+ *element_process_attr_value =
+ config_element_process_attr_vgid_value;
+ break;
+ default:
+ ret = LTTNG_ERR_SAVE_IO_FAIL;
+ }
+ return ret;
}
LTTNG_HIDDEN
-int mi_lttng_pid_tracker_open(struct mi_writer *writer)
+int mi_lttng_process_attribute_tracker_open(
+ struct mi_writer *writer, enum lttng_process_attr process_attr)
{
int ret;
+ const char *element_tracker, *element_value;
- /* Open element pid_tracker */
- ret = mi_lttng_writer_open_element(writer, config_element_pid_tracker);
+ ret = get_tracker_elements(
+ process_attr, &element_tracker, &element_value);
+ if (ret) {
+ return ret;
+ }
+
+ /* Open process attribute tracker element */
+ ret = mi_lttng_writer_open_element(writer, element_tracker);
if (ret) {
goto end;
}
- /* Open targets element */
- ret = mi_lttng_targets_open(writer);
+ /* Open values element */
+ ret = mi_lttng_process_attr_values_open(writer);
end:
return ret;
}
* mi api bump. The use of process element break the mi api.
*/
LTTNG_HIDDEN
-int mi_lttng_pid(struct mi_writer *writer, pid_t pid , const char *name,
+int mi_lttng_pid(struct mi_writer *writer,
+ pid_t pid,
+ const char *name,
int is_open)
{
int ret;
}
LTTNG_HIDDEN
-int mi_lttng_targets_open(struct mi_writer *writer)
+int mi_lttng_process_attr_values_open(struct mi_writer *writer)
{
- return mi_lttng_writer_open_element(writer,
- config_element_targets);
+ return mi_lttng_writer_open_element(
+ writer, config_element_process_attr_values);
}
LTTNG_HIDDEN
-int mi_lttng_pid_target(struct mi_writer *writer, pid_t pid, int is_open)
+int mi_lttng_all_process_attribute_value(struct mi_writer *writer,
+ enum lttng_process_attr process_attr,
+ bool is_open)
{
int ret;
+ const char *element_id_tracker, *element_target_id;
- ret = mi_lttng_writer_open_element(writer,
- config_element_target_pid);
+ ret = get_tracker_elements(
+ process_attr, &element_id_tracker, &element_target_id);
+ if (ret) {
+ return ret;
+ }
+
+ ret = mi_lttng_writer_open_element(writer, element_target_id);
if (ret) {
goto end;
}
- /* Writing pid number
- * Special case for element all on track untrack command
- * All pid is represented as wildcard *
- */
- if ((int) pid == -1) {
- ret = mi_lttng_writer_write_element_string(writer,
- config_element_pid,
- mi_lttng_element_track_untrack_all_wildcard);
- } else {
- ret = mi_lttng_writer_write_element_signed_int(writer,
- config_element_pid, (int) pid);
+ ret = mi_lttng_writer_open_element(writer, config_element_type);
+ if (ret) {
+ goto end;
+ }
+
+ ret = mi_lttng_writer_write_element_bool(writer, config_element_all, 1);
+ if (ret) {
+ goto end;
}
+
+ ret = mi_lttng_writer_close_element(writer);
+ if (ret) {
+ goto end;
+ }
+
+ if (!is_open) {
+ ret = mi_lttng_writer_close_element(writer);
+ if (ret) {
+ goto end;
+ }
+ }
+end:
+ return ret;
+}
+
+LTTNG_HIDDEN
+int mi_lttng_integral_process_attribute_value(struct mi_writer *writer,
+ enum lttng_process_attr process_attr,
+ int64_t value,
+ bool is_open)
+{
+ int ret;
+ const char *element_id_tracker, *element_target_id;
+
+ ret = get_tracker_elements(
+ process_attr, &element_id_tracker, &element_target_id);
+ if (ret) {
+ return ret;
+ }
+
+ ret = mi_lttng_writer_open_element(writer, element_target_id);
+ if (ret) {
+ goto end;
+ }
+
+ ret = mi_lttng_writer_open_element(writer, config_element_type);
+ if (ret) {
+ goto end;
+ }
+
+ ret = mi_lttng_writer_write_element_signed_int(
+ writer, config_element_process_attr_id, value);
+ if (ret) {
+ goto end;
+ }
+
+ ret = mi_lttng_writer_close_element(writer);
+ if (ret) {
+ goto end;
+ }
+
+ if (!is_open) {
+ ret = mi_lttng_writer_close_element(writer);
+ if (ret) {
+ goto end;
+ }
+ }
+
+end:
+ return ret;
+}
+
+LTTNG_HIDDEN
+int mi_lttng_string_process_attribute_value(struct mi_writer *writer,
+ enum lttng_process_attr process_attr,
+ const char *value,
+ bool is_open)
+
+{
+ int ret;
+ const char *element_id_tracker, *element_target_id;
+
+ ret = get_tracker_elements(
+ process_attr, &element_id_tracker, &element_target_id);
+ if (ret) {
+ return ret;
+ }
+
+ ret = mi_lttng_writer_open_element(writer, element_target_id);
+ if (ret) {
+ goto end;
+ }
+
+ ret = mi_lttng_writer_open_element(writer, config_element_type);
+ if (ret) {
+ goto end;
+ }
+
+ ret = mi_lttng_writer_write_element_string(
+ writer, config_element_name, value);
+ if (ret) {
+ goto end;
+ }
+
+ ret = mi_lttng_writer_close_element(writer);
if (ret) {
goto end;
}