xmlSchemaValidCtxtPtr schema_validation_ctx;
};
+const char * const config_element_all = "all";
const char * const config_str_yes = "yes";
const char * const config_str_true = "true";
const char * const config_str_on = "on";
const char * const config_element_data_uri = "data_uri";
const char * const config_element_max_size = "max_size";
const char * const config_element_pid = "pid";
+const char * const config_element_id = "id";
const char * const config_element_pids = "pids";
const char * const config_element_shared_memory_path = "shared_memory_path";
const char * const config_element_pid_tracker = "pid_tracker";
+const char * const config_element_vpid_tracker = "vpid_tracker";
+const char * const config_element_uid_tracker = "uid_tracker";
+const char * const config_element_vuid_tracker = "vuid_tracker";
+const char * const config_element_gid_tracker = "gid_tracker";
+const char * const config_element_vgid_tracker = "vgid_tracker";
const char * const config_element_trackers = "trackers";
const char * const config_element_targets = "targets";
+const char * const config_element_target_type = "target_type";
const char * const config_element_target_pid = "pid_target";
+const char * const config_element_target_vpid = "vpid_target";
+const char * const config_element_target_uid = "uid_target";
+const char * const config_element_target_vuid = "vuid_target";
+const char * const config_element_target_gid = "gid_target";
+const char * const config_element_target_vgid = "vgid_target";
+const char * const config_element_tracker_type = "tracker_type";
LTTNG_HIDDEN const char * const config_element_rotation_schedules = "rotation_schedules";
LTTNG_HIDDEN const char * const config_element_rotation_schedule_periodic = "periodic";
return ret;
}
-static
-int process_pid_tracker_node(xmlNodePtr pid_tracker_node,
- struct lttng_handle *handle)
+static int get_tracker_elements(enum lttng_tracker_type tracker_type,
+ const char **element_id_tracker,
+ const char **element_target_id,
+ const char **element_id,
+ const char **element_id_alias,
+ const char **element_name)
+{
+ int ret = 0;
+
+ switch (tracker_type) {
+ case LTTNG_TRACKER_PID:
+ *element_id_tracker = config_element_pid_tracker;
+ *element_target_id = config_element_target_pid;
+ *element_id = config_element_id;
+ *element_id_alias = config_element_pid;
+ *element_name = NULL;
+ break;
+ case LTTNG_TRACKER_VPID:
+ *element_id_tracker = config_element_vpid_tracker;
+ *element_target_id = config_element_target_vpid;
+ *element_id = config_element_id;
+ *element_id_alias = NULL;
+ *element_name = NULL;
+ break;
+ case LTTNG_TRACKER_UID:
+ *element_id_tracker = config_element_uid_tracker;
+ *element_target_id = config_element_target_uid;
+ *element_id = config_element_id;
+ *element_id_alias = NULL;
+ *element_name = config_element_name;
+ break;
+ case LTTNG_TRACKER_VUID:
+ *element_id_tracker = config_element_vuid_tracker;
+ *element_target_id = config_element_target_vuid;
+ *element_id = config_element_id;
+ *element_id_alias = NULL;
+ *element_name = config_element_name;
+ break;
+ case LTTNG_TRACKER_GID:
+ *element_id_tracker = config_element_gid_tracker;
+ *element_target_id = config_element_target_gid;
+ *element_id = config_element_id;
+ *element_id_alias = NULL;
+ *element_name = config_element_name;
+ break;
+ case LTTNG_TRACKER_VGID:
+ *element_id_tracker = config_element_vgid_tracker;
+ *element_target_id = config_element_target_vgid;
+ *element_id = config_element_id;
+ *element_id_alias = NULL;
+ *element_name = config_element_name;
+ break;
+ default:
+ ret = LTTNG_ERR_INVALID;
+ }
+ return ret;
+}
+
+static int process_id_tracker_node(xmlNodePtr id_tracker_node,
+ struct lttng_handle *handle,
+ enum lttng_tracker_type tracker_type)
{
int ret = 0, child;
xmlNodePtr targets_node = NULL;
xmlNodePtr node;
+ const char *element_id_tracker;
+ const char *element_target_id;
+ const char *element_id;
+ const char *element_id_alias;
+ const char *element_name;
assert(handle);
- assert(pid_tracker_node);
+ assert(id_tracker_node);
+
+ ret = get_tracker_elements(tracker_type, &element_id_tracker,
+ &element_target_id, &element_id, &element_id_alias,
+ &element_name);
+ if (ret) {
+ return ret;
+ }
+
/* get the targets node */
- for (node = xmlFirstElementChild(pid_tracker_node); node;
- node = xmlNextElementSibling(node)) {
+ for (node = xmlFirstElementChild(id_tracker_node); node;
+ node = xmlNextElementSibling(node)) {
if (!strcmp((const char *) node->name,
config_element_targets)) {
targets_node = node;
goto end;
}
- /* Go through all pid_target node */
+ /* Go through all id target node */
child = xmlChildElementCount(targets_node);
if (child == 0) {
+ struct lttng_tracker_id tracker_id;
+
+ tracker_id.type = LTTNG_ID_ALL;
/* The session is explicitly set to target nothing. */
- ret = lttng_untrack_pid(handle, -1);
+ ret = lttng_untrack_id(handle, tracker_type, &tracker_id);
if (ret) {
goto end;
}
}
for (node = xmlFirstElementChild(targets_node); node;
node = xmlNextElementSibling(node)) {
- xmlNodePtr pid_target_node = node;
+ xmlNodePtr id_target_node = node;
- /* get pid node and track it */
- for (node = xmlFirstElementChild(pid_target_node); node;
- node = xmlNextElementSibling(node)) {
- if (!strcmp((const char *) node->name,
- config_element_pid)) {
- int64_t pid;
+ /* get id node and track it */
+ for (node = xmlFirstElementChild(id_target_node); node;
+ node = xmlNextElementSibling(node)) {
+ if (!strcmp((const char *) node->name, element_id) ||
+ (element_id_alias &&
+ !strcmp((const char *) node->name,
+ element_id_alias))) {
+ int64_t id;
xmlChar *content = NULL;
+ struct lttng_tracker_id tracker_id;
content = xmlNodeGetContent(node);
if (!content) {
goto end;
}
- ret = parse_int(content, &pid);
+ ret = parse_int(content, &id);
free(content);
if (ret) {
ret = LTTNG_ERR_LOAD_INVALID_CONFIG;
goto end;
}
- ret = lttng_track_pid(handle, (int) pid);
+ tracker_id.type = LTTNG_ID_VALUE;
+ tracker_id.value = (int) id;
+ ret = lttng_track_id(handle, tracker_type,
+ &tracker_id);
+ if (ret) {
+ goto end;
+ }
+ }
+ if (element_name && !strcmp((const char *) node->name,
+ element_name)) {
+ xmlChar *content = NULL;
+ struct lttng_tracker_id tracker_id;
+
+ content = xmlNodeGetContent(node);
+ if (!content) {
+ ret = LTTNG_ERR_LOAD_INVALID_CONFIG;
+ goto end;
+ }
+ tracker_id.type = LTTNG_ID_STRING;
+ tracker_id.string = (char *) content;
+ ret = lttng_track_id(handle, tracker_type,
+ &tracker_id);
+ free(content);
if (ret) {
goto end;
}
}
}
- node = pid_target_node;
+ node = id_target_node;
}
end:
xmlNodePtr channels_node = NULL;
xmlNodePtr trackers_node = NULL;
xmlNodePtr pid_tracker_node = NULL;
+ xmlNodePtr vpid_tracker_node = NULL;
+ xmlNodePtr uid_tracker_node = NULL;
+ xmlNodePtr vuid_tracker_node = NULL;
+ xmlNodePtr gid_tracker_node = NULL;
+ xmlNodePtr vgid_tracker_node = NULL;
xmlNodePtr node;
assert(session_name);
for (node = xmlFirstElementChild(trackers_node); node;
node = xmlNextElementSibling(node)) {
- if (!strcmp((const char *)node->name,config_element_pid_tracker)) {
+ if (!strcmp((const char *) node->name,
+ config_element_pid_tracker)) {
pid_tracker_node = node;
- ret = process_pid_tracker_node(pid_tracker_node, handle);
+ ret = process_id_tracker_node(pid_tracker_node, handle,
+ LTTNG_TRACKER_PID);
+ if (ret) {
+ goto end;
+ }
+ }
+ if (!strcmp((const char *) node->name,
+ config_element_vpid_tracker)) {
+ vpid_tracker_node = node;
+ ret = process_id_tracker_node(vpid_tracker_node, handle,
+ LTTNG_TRACKER_VPID);
+ if (ret) {
+ goto end;
+ }
+ }
+ if (!strcmp((const char *) node->name,
+ config_element_uid_tracker)) {
+ uid_tracker_node = node;
+ ret = process_id_tracker_node(uid_tracker_node, handle,
+ LTTNG_TRACKER_UID);
+ if (ret) {
+ goto end;
+ }
+ }
+ if (!strcmp((const char *) node->name,
+ config_element_vuid_tracker)) {
+ vuid_tracker_node = node;
+ ret = process_id_tracker_node(vuid_tracker_node, handle,
+ LTTNG_TRACKER_VUID);
+ if (ret) {
+ goto end;
+ }
+ }
+ if (!strcmp((const char *) node->name,
+ config_element_gid_tracker)) {
+ gid_tracker_node = node;
+ ret = process_id_tracker_node(gid_tracker_node, handle,
+ LTTNG_TRACKER_GID);
+ if (ret) {
+ goto end;
+ }
+ }
+ if (!strcmp((const char *) node->name,
+ config_element_vgid_tracker)) {
+ vgid_tracker_node = node;
+ ret = process_id_tracker_node(vgid_tracker_node, handle,
+ LTTNG_TRACKER_VGID);
if (ret) {
goto end;
}
}
- }
-
- if (!pid_tracker_node) {
- lttng_track_pid(handle, -1);
}
end:
sessions_node = xmlDocGetRootElement(doc);
if (!sessions_node) {
+ ret = -LTTNG_ERR_LOAD_INVALID_CONFIG;
goto end;
}
if (!ret) {
ret = session_found ? 0 : -LTTNG_ERR_LOAD_SESSION_NOENT;
}
+ if (ret == -LTTNG_ERR_NO_SESSION) {
+ ret = -LTTNG_ERR_LOAD_SESSION_NOENT;
+ }
return ret;
}
ret = load_session_from_file(file_path.data, session_name,
validation_ctx, overwrite, overrides);
- if (session_name && !ret) {
+ if (session_name &&
+ (!ret || ret != -LTTNG_ERR_LOAD_SESSION_NOENT)) {
session_found = 1;
break;
}
+ if (ret && ret != -LTTNG_ERR_LOAD_SESSION_NOENT) {
+ goto end;
+ }
/*
* Reset the buffer's size to the location of the
* path's trailing '/'.
goto end;
}
}
-
} else {
ret = load_session_from_file(path, session_name,
validation_ctx, overwrite, overrides);
if (ret) {
goto end;
- } else {
- session_found = 1;
}
+ session_found = 1;
}
+ ret = 0;
end:
if (directory) {
if (closedir(directory)) {
PERROR("closedir");
}
}
- if (session_found && !ret) {
- ret = 0;
+ if (!ret && !session_found) {
+ ret = -LTTNG_ERR_LOAD_SESSION_NOENT;
}
lttng_dynamic_buffer_reset(&file_path);
return ret;
DEFAULT_SESSION_CONFIG_AUTOLOAD, home_path);
if (ret < 0) {
PERROR("snprintf session autoload home config path");
+ ret = -LTTNG_ERR_INVALID;
goto end;
}
DEFAULT_SESSION_HOME_CONFIGPATH, home_path);
if (ret < 0) {
PERROR("snprintf session home config path");
+ ret = -LTTNG_ERR_INVALID;
goto end;
}
path_ptr = path;
if (!ret) {
session_loaded = true;
}
+ } else {
+ ret = 0;
}
} else {
ret = access(path, F_OK);