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_symbol_name = "symbol_name";
const char * const config_element_address = "address";
const char * const config_element_offset = "offset";
-const char * const config_element_name = "name";
const char * const config_element_enabled = "enabled";
const char * const config_element_overwrite_mode = "overwrite_mode";
const char * const config_element_subbuf_size = "subbuffer_size";
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_name = "name";
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";
const char * const config_domain_type_kernel = "KERNEL";
const char * const config_domain_type_ust = "UST";
}
static
-int create_snapshot_session(const char *session_name, xmlNodePtr output_node)
+int create_snapshot_session(const char *session_name, xmlNodePtr output_node,
+ const struct config_load_session_override_attr *overrides)
{
int ret;
xmlNodePtr node = NULL;
uint64_t max_size = UINT64_MAX;
struct consumer_output output = { 0 };
struct lttng_snapshot_output *snapshot_output = NULL;
+ const char *control_uri = NULL;
+ const char *data_uri = NULL;
+ const char *path = NULL;
for (node = xmlFirstElementChild(snapshot_output_node); node;
node = xmlNextElementSibling(node)) {
}
}
+ control_uri = output.control_uri;
+ data_uri = output.data_uri;
+ path = output.path;
+
+ if (overrides) {
+ if (overrides->path_url) {
+ path = overrides->path_url;
+ /* Control/data_uri are null */
+ control_uri = NULL;
+ data_uri = NULL;
+ } else {
+ if (overrides->ctrl_url) {
+ control_uri = overrides->ctrl_url;
+ /* path is null */
+ path = NULL;
+ }
+ if (overrides->data_url) {
+ data_uri = overrides->data_url;
+ /* path is null */
+ path = NULL;
+ }
+ }
+ }
+
snapshot_output = lttng_snapshot_output_create();
if (!snapshot_output) {
ret = -LTTNG_ERR_NOMEM;
goto error_snapshot_output;
}
- if (output.path) {
- ret = lttng_snapshot_output_set_ctrl_url(output.path,
+ if (path) {
+ ret = lttng_snapshot_output_set_ctrl_url(path,
snapshot_output);
if (ret) {
goto error_snapshot_output;
}
} else {
- if (output.control_uri) {
- ret = lttng_snapshot_output_set_ctrl_url(output.control_uri,
+ if (control_uri) {
+ ret = lttng_snapshot_output_set_ctrl_url(control_uri,
snapshot_output);
if (ret) {
goto error_snapshot_output;
}
}
- if (output.data_uri) {
- ret = lttng_snapshot_output_set_data_url(output.data_uri,
+ if (data_uri) {
+ ret = lttng_snapshot_output_set_data_url(data_uri,
snapshot_output);
if (ret) {
goto error_snapshot_output;
struct lttng_domain *jul_domain,
struct lttng_domain *log4j_domain,
xmlNodePtr output_node,
- uint64_t live_timer_interval)
+ uint64_t live_timer_interval,
+ const struct config_load_session_override_attr *overrides)
{
int ret;
struct consumer_output output = { 0 };
xmlNodePtr consumer_output_node;
+ const char *control_uri = NULL;
+ const char *data_uri = NULL;
+ const char *path = NULL;
assert(name);
}
}
- if (live_timer_interval != UINT64_MAX &&
- !output.control_uri && !output.data_uri) {
+ control_uri = output.control_uri;
+ data_uri = output.data_uri;
+ path = output.path;
+
+ /* Check for override and apply them */
+ if (overrides) {
+ if (overrides->path_url) {
+ path = overrides->path_url;
+ /* control/data_uri are null */;
+ control_uri = NULL;
+ data_uri = NULL;
+ } else {
+ if (overrides->ctrl_url) {
+ control_uri = overrides->ctrl_url;
+ /* path is null */
+ path = NULL;
+ }
+ if (overrides->data_url) {
+ data_uri = overrides->data_url;
+ /* path is null */
+ path = NULL;
+ }
+ }
+ }
+
+
+ if (live_timer_interval != UINT64_MAX && !control_uri && !data_uri) {
ret = -LTTNG_ERR_LOAD_INVALID_CONFIG;
goto end;
}
- if (output.control_uri || output.data_uri) {
+ if (control_uri || data_uri) {
/* network destination */
if (live_timer_interval && live_timer_interval != UINT64_MAX) {
/*
goto end;
}
- ret = create_session_net_output(name, output.control_uri,
- output.data_uri);
+ ret = create_session_net_output(name, control_uri, data_uri);
if (ret) {
goto end;
}
} else {
/* either local output or no output */
- ret = lttng_create_session(name, output.path);
+ ret = lttng_create_session(name, path);
if (ret) {
goto end;
}
}
static
-int process_pid_tracker_node(xmlNodePtr pid_tracker_node,
- struct lttng_handle *handle)
+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;
+ for (node = xmlFirstElementChild(id_tracker_node); node;
node = xmlNextElementSibling(node)) {
if (!strcmp((const char *) node->name,
config_element_targets)) {
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;
+ /* get id node and track it */
+ for (node = xmlFirstElementChild(id_target_node); node;
node = xmlNextElementSibling(node)) {
- if (!strcmp((const char *) node->name,
- config_element_pid)) {
- int64_t pid;
+ 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:
static
int process_session_node(xmlNodePtr session_node, const char *session_name,
- int override)
+ int overwrite,
+ const struct config_load_session_override_attr *overrides)
{
int ret, started = -1, snapshot_mode = -1;
uint64_t live_timer_interval = UINT64_MAX;
goto error;
}
- if (override) {
+ /* Apply overrides */
+ if (overrides) {
+ if (overrides->session_name) {
+ xmlChar *name_override = xmlStrdup(BAD_CAST(overrides->session_name));
+ if (!name_override) {
+ ret = -LTTNG_ERR_NOMEM;
+ goto error;
+ }
+
+ /* Overrides the session name to the provided name */
+ xmlFree(name);
+ name = name_override;
+ }
+ }
+
+ if (overwrite) {
/* Destroy session if it exists */
ret = lttng_destroy_session((const char *) name);
if (ret && ret != -LTTNG_ERR_SESS_NOT_FOUND) {
/* Create session type depending on output type */
if (snapshot_mode && snapshot_mode != -1) {
- ret = create_snapshot_session((const char *) name, output_node);
+ ret = create_snapshot_session((const char *) name, output_node,
+ overrides);
} else if (live_timer_interval &&
live_timer_interval != UINT64_MAX) {
ret = create_session((const char *) name, kernel_domain,
ust_domain, jul_domain, log4j_domain,
- output_node, live_timer_interval);
+ output_node, live_timer_interval, overrides);
} else {
/* regular session */
ret = create_session((const char *) name, kernel_domain,
ust_domain, jul_domain, log4j_domain,
- output_node, UINT64_MAX);
+ output_node, UINT64_MAX, overrides);
}
if (ret) {
goto error;
static
int load_session_from_file(const char *path, const char *session_name,
- struct session_config_validation_ctx *validation_ctx, int override)
+ struct session_config_validation_ctx *validation_ctx, int overwrite,
+ const struct config_load_session_override_attr *overrides)
{
int ret, session_found = !session_name;
xmlDocPtr doc = NULL;
sessions_node = xmlDocGetRootElement(doc);
if (!sessions_node) {
+ ret = -LTTNG_ERR_LOAD_INVALID_CONFIG;
goto end;
}
session_node; session_node =
xmlNextElementSibling(session_node)) {
ret = process_session_node(session_node,
- session_name, override);
+ session_name, overwrite, overrides);
if (session_name && ret == 0) {
/* Target session found and loaded */
session_found = 1;
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;
}
static
int load_session_from_path(const char *path, const char *session_name,
- struct session_config_validation_ctx *validation_ctx, int override)
+ struct session_config_validation_ctx *validation_ctx, int overwrite,
+ const struct config_load_session_override_attr *overrides)
{
int ret, session_found = !session_name;
DIR *directory = NULL;
file_path[path_len + file_name_len] = '\0';
ret = load_session_from_file(file_path, session_name,
- validation_ctx, override);
- if (session_name && !ret) {
+ validation_ctx, overwrite, overrides);
+ if (session_name && (!ret || ret != -LTTNG_ERR_LOAD_SESSION_NOENT)) {
session_found = 1;
break;
}
free(entry);
free(file_path);
+ if (ret && ret != -LTTNG_ERR_LOAD_SESSION_NOENT) {
+ goto end;
+ }
} else {
ret = load_session_from_file(path, session_name,
- validation_ctx, override);
+ validation_ctx, overwrite, overrides);
if (ret) {
goto end;
- } else {
- session_found = 1;
}
+ session_found = 1;
}
+ ret = 0;
end:
if (directory) {
if (closedir(directory)) {
}
}
- if (session_found) {
- ret = 0;
+ if (!ret && !session_found) {
+ ret = -LTTNG_ERR_LOAD_SESSION_NOENT;
}
return ret;
LTTNG_HIDDEN
int config_load_session(const char *path, const char *session_name,
- int override, unsigned int autoload)
+ int overwrite, unsigned int autoload,
+ const struct config_load_session_override_attr *overrides)
{
int ret;
bool session_loaded = false;
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 (path_ptr) {
ret = load_session_from_path(path_ptr, session_name,
- &validation_ctx, override);
+ &validation_ctx, overwrite, overrides);
if (ret && ret != -LTTNG_ERR_LOAD_SESSION_NOENT) {
goto end;
}
if (path_ptr) {
ret = load_session_from_path(path_ptr, session_name,
- &validation_ctx, override);
+ &validation_ctx, overwrite, overrides);
if (!ret) {
session_loaded = true;
}
+ } else {
+ ret = 0;
}
} else {
ret = access(path, F_OK);
}
ret = load_session_from_path(path, session_name,
- &validation_ctx, override);
+ &validation_ctx, overwrite, overrides);
}
end:
fini_session_config_validation_ctx(&validation_ctx);
projects / lttng-tools.git / blobdiff