#include <libxml/tree.h>
#include <lttng/lttng.h>
#include <lttng/snapshot.h>
+#include <lttng/rotation.h>
#include "session-config.h"
#include "config-internal.h"
const char * const config_element_num_subbuf = "subbuffer_count";
const char * const config_element_switch_timer_interval = "switch_timer_interval";
const char * const config_element_read_timer_interval = "read_timer_interval";
-const char * const config_element_monitor_timer_interval = "monitor_timer_interval";
+LTTNG_HIDDEN const char * const config_element_monitor_timer_interval = "monitor_timer_interval";
+LTTNG_HIDDEN const char * const config_element_blocking_timeout = "blocking_timeout";
const char * const config_element_output = "output";
const char * const config_element_output_type = "output_type";
const char * const config_element_tracefile_size = "tracefile_size";
const char * const config_element_targets = "targets";
const char * const config_element_target_pid = "pid_target";
+LTTNG_HIDDEN const char * const config_element_rotation_timer_interval = "rotation_schedule_timer_period";
+LTTNG_HIDDEN const char * const config_element_rotation_size = "rotation_schedule_size";
+LTTNG_HIDDEN const char * const config_element_rotation_schedule = "rotation_schedule";
+
const char * const config_domain_type_kernel = "KERNEL";
const char * const config_domain_type_ust = "UST";
const char * const config_domain_type_jul = "JUL";
channel->attr.live_timer_interval =
live_timer_interval;
+ } else if (!strcmp((const char *) attr_node->name,
+ config_element_monitor_timer_interval)) {
+ xmlChar *content;
+ uint64_t monitor_timer_interval = 0;
+
+ /* monitor_timer_interval */
+ content = xmlNodeGetContent(attr_node);
+ if (!content) {
+ ret = -LTTNG_ERR_NOMEM;
+ goto end;
+ }
+
+ ret = parse_uint(content, &monitor_timer_interval);
+ free(content);
+ if (ret) {
+ ret = -LTTNG_ERR_LOAD_INVALID_CONFIG;
+ goto end;
+ }
+
+ ret = lttng_channel_set_monitor_timer_interval(channel,
+ monitor_timer_interval);
+ if (ret) {
+ ret = -LTTNG_ERR_LOAD_INVALID_CONFIG;
+ goto end;
+ }
+ } else if (!strcmp((const char *) attr_node->name,
+ config_element_blocking_timeout)) {
+ xmlChar *content;
+ int64_t blocking_timeout = 0;
+
+ /* blocking_timeout */
+ content = xmlNodeGetContent(attr_node);
+ if (!content) {
+ ret = -LTTNG_ERR_NOMEM;
+ goto end;
+ }
+
+ ret = parse_int(content, &blocking_timeout);
+ free(content);
+ if (ret) {
+ ret = -LTTNG_ERR_LOAD_INVALID_CONFIG;
+ goto end;
+ }
+
+ ret = lttng_channel_set_blocking_timeout(channel,
+ blocking_timeout);
+ if (ret) {
+ ret = -LTTNG_ERR_LOAD_INVALID_CONFIG;
+ goto end;
+ }
} else if (!strcmp((const char *) attr_node->name,
config_element_events)) {
/* events */
return ret;
}
-
static
int process_domain_node(xmlNodePtr domain_node, const char *session_name)
{
int ret;
struct lttng_domain domain = { 0 };
struct lttng_handle *handle = NULL;
+ struct lttng_channel *channel = NULL;
xmlNodePtr channels_node = NULL;
xmlNodePtr trackers_node = NULL;
xmlNodePtr pid_tracker_node = NULL;
/* create all channels */
for (node = xmlFirstElementChild(channels_node); node;
node = xmlNextElementSibling(node)) {
- struct lttng_channel channel;
+ const enum lttng_domain_type original_domain = domain.type;
xmlNodePtr contexts_node = NULL;
xmlNodePtr events_node = NULL;
xmlNodePtr channel_attr_node;
- memset(&channel, 0, sizeof(channel));
- lttng_channel_set_default_attr(&domain, &channel.attr);
+ /*
+ * Channels of the "agent" types cannot be created directly.
+ * They are meant to be created implicitly through the
+ * activation of events in their domain. However, a user
+ * can override the default channel configuration attributes
+ * by creating the underlying UST channel _before_ enabling
+ * an agent domain event.
+ *
+ * Hence, the channel's type is substituted before the creation
+ * and restored by the time the events are created.
+ */
+ switch (domain.type) {
+ case LTTNG_DOMAIN_JUL:
+ case LTTNG_DOMAIN_LOG4J:
+ case LTTNG_DOMAIN_PYTHON:
+ domain.type = LTTNG_DOMAIN_UST;
+ default:
+ break;
+ }
+
+ channel = lttng_channel_create(&domain);
+ if (!channel) {
+ ret = -1;
+ goto end;
+ }
for (channel_attr_node = xmlFirstElementChild(node);
channel_attr_node; channel_attr_node =
xmlNextElementSibling(channel_attr_node)) {
ret = process_channel_attr_node(channel_attr_node,
- &channel, &contexts_node, &events_node);
+ channel, &contexts_node, &events_node);
if (ret) {
goto end;
}
}
- ret = lttng_enable_channel(handle, &channel);
+ ret = lttng_enable_channel(handle, channel);
if (ret < 0) {
goto end;
}
- ret = process_events_node(events_node, handle, channel.name);
+ /* Restore the original channel domain. */
+ domain.type = original_domain;
+
+ ret = process_events_node(events_node, handle, channel->name);
if (ret) {
goto end;
}
ret = process_contexts_node(contexts_node, handle,
- channel.name);
+ channel->name);
if (ret) {
goto end;
}
+
+ lttng_channel_destroy(channel);
}
+ channel = NULL;
/* get the trackers node */
for (node = xmlFirstElementChild(domain_node); node;
}
end:
+ lttng_channel_destroy(channel);
lttng_destroy_handle(handle);
return ret;
}
const struct config_load_session_override_attr *overrides)
{
int ret, started = -1, snapshot_mode = -1;
- uint64_t live_timer_interval = UINT64_MAX;
+ uint64_t live_timer_interval = UINT64_MAX,
+ rotation_timer_interval = 0,
+ rotation_size = 0;
xmlChar *name = NULL;
xmlChar *shm_path = NULL;
xmlNodePtr domains_node = NULL;
xmlNodePtr output_node = NULL;
xmlNodePtr node;
+ xmlNodePtr attributes_child;
struct lttng_domain *kernel_domain = NULL;
struct lttng_domain *ust_domain = NULL;
struct lttng_domain *jul_domain = NULL;
shm_path = node_content;
} else {
- /* attributes, snapshot_mode or live_timer_interval */
- xmlNodePtr attributes_child =
- xmlFirstElementChild(node);
-
- if (!strcmp((const char *) attributes_child->name,
- config_element_snapshot_mode)) {
- /* snapshot_mode */
- xmlChar *snapshot_mode_content =
- xmlNodeGetContent(attributes_child);
- if (!snapshot_mode_content) {
- ret = -LTTNG_ERR_NOMEM;
- goto error;
- }
+ /*
+ * attributes, snapshot_mode, live_timer_interval, rotation_size,
+ * rotation_timer_interval.
+ */
+ for (attributes_child = xmlFirstElementChild(node); attributes_child;
+ attributes_child = xmlNextElementSibling(attributes_child)) {
+ if (!strcmp((const char *) attributes_child->name,
+ config_element_snapshot_mode)) {
+ /* snapshot_mode */
+ xmlChar *snapshot_mode_content =
+ xmlNodeGetContent(attributes_child);
+ if (!snapshot_mode_content) {
+ ret = -LTTNG_ERR_NOMEM;
+ goto error;
+ }
- ret = parse_bool(snapshot_mode_content, &snapshot_mode);
- free(snapshot_mode_content);
- if (ret) {
- ret = -LTTNG_ERR_LOAD_INVALID_CONFIG;
- goto error;
+ ret = parse_bool(snapshot_mode_content, &snapshot_mode);
+ free(snapshot_mode_content);
+ if (ret) {
+ ret = -LTTNG_ERR_LOAD_INVALID_CONFIG;
+ goto error;
+ }
+ } else if (!strcmp((const char *) attributes_child->name,
+ config_element_live_timer_interval)) {
+ /* live_timer_interval */
+ xmlChar *timer_interval_content =
+ xmlNodeGetContent(attributes_child);
+ if (!timer_interval_content) {
+ ret = -LTTNG_ERR_NOMEM;
+ goto error;
+ }
+
+ ret = parse_uint(timer_interval_content, &live_timer_interval);
+ free(timer_interval_content);
+ if (ret) {
+ ret = -LTTNG_ERR_LOAD_INVALID_CONFIG;
+ goto error;
+ }
}
- } else {
- /* live_timer_interval */
- xmlChar *timer_interval_content =
- xmlNodeGetContent(attributes_child);
- if (!timer_interval_content) {
- ret = -LTTNG_ERR_NOMEM;
- goto error;
+ if (!strcmp((const char *) attributes_child->name,
+ config_element_rotation_timer_interval)) {
+ /* rotation_timer_interval */
+ xmlChar *timer_interval_content =
+ xmlNodeGetContent(attributes_child);
+ if (!timer_interval_content) {
+ ret = -LTTNG_ERR_NOMEM;
+ goto error;
+ }
+
+ ret = parse_uint(timer_interval_content, &rotation_timer_interval);
+ free(timer_interval_content);
+ if (ret) {
+ ret = -LTTNG_ERR_LOAD_INVALID_CONFIG;
+ goto error;
+ }
}
+ if (!strcmp((const char *) attributes_child->name,
+ config_element_rotation_size)) {
+ /* rotation_size */
+ xmlChar *rotation_size_content =
+ xmlNodeGetContent(attributes_child);
+ if (!rotation_size_content) {
+ ret = -LTTNG_ERR_NOMEM;
+ goto error;
+ }
- ret = parse_uint(timer_interval_content, &live_timer_interval);
- free(timer_interval_content);
- if (ret) {
- ret = -LTTNG_ERR_LOAD_INVALID_CONFIG;
- goto error;
+ ret = parse_uint(rotation_size_content, &rotation_size);
+ free(rotation_size_content);
+ if (ret) {
+ ret = -LTTNG_ERR_LOAD_INVALID_CONFIG;
+ goto error;
+ }
}
}
}
}
}
+ if (rotation_timer_interval || rotation_size) {
+ struct lttng_rotation_schedule_attr *rotation_attr = lttng_rotation_schedule_attr_create();
+
+ if (!rotation_attr) {
+ goto error;
+ }
+ ret = lttng_rotation_schedule_attr_set_session_name(rotation_attr, (const char *) name);
+ if (ret) {
+ lttng_rotation_schedule_attr_destroy(rotation_attr);
+ goto error;
+ }
+ lttng_rotation_schedule_attr_set_timer_period(rotation_attr,
+ rotation_timer_interval);
+ lttng_rotation_schedule_attr_set_size(rotation_attr, rotation_size);
+ ret = lttng_rotation_set_schedule(rotation_attr);
+ lttng_rotation_schedule_attr_destroy(rotation_attr);
+ if (ret) {
+ goto error;
+ }
+ }
+
if (started) {
ret = lttng_start_tracing((const char *) name);
if (ret) {
if (errno != ENOENT) {
PERROR("stat");
}
- ret = -LTTNG_ERR_INVALID;
goto valid;
}
projects / lttng-tools.git / blobdiff