#include "channel.h"
#include "event.h"
#include "kernel.h"
+#include "lttng-sessiond.h"
#include "ust-ctl.h"
#include "ust-app.h"
#include "trace-kernel.h"
key.name = event->attr.name;
key.filter = (struct lttng_filter_bytecode *) event->filter;
key.loglevel = event->attr.loglevel;
+ key.exclusion = event->exclusion;
node_ptr = cds_lfht_add_unique(ht->ht,
ht->hash_fct(event->node.key, lttng_ht_seed),
* Enable all UST tracepoints for a channel from a UST session.
*/
int event_ust_enable_all_tracepoints(struct ltt_ust_session *usess,
- struct ltt_ust_channel *uchan, struct lttng_filter_bytecode *filter)
+ struct ltt_ust_channel *uchan,
+ char *filter_expression,
+ struct lttng_filter_bytecode *filter)
{
int ret, i, size;
struct lttng_ht_iter iter;
}
/* Create ust event */
- uevent = trace_ust_create_event(&events[i], filter, NULL);
+ uevent = trace_ust_create_event(&events[i], filter_expression,
+ filter, NULL);
if (uevent == NULL) {
ret = LTTNG_ERR_FATAL;
goto error_destroy;
*/
int event_ust_enable_tracepoint(struct ltt_ust_session *usess,
struct ltt_ust_channel *uchan, struct lttng_event *event,
+ char *filter_expression,
struct lttng_filter_bytecode *filter,
struct lttng_event_exclusion *exclusion)
{
uevent = trace_ust_find_event(uchan->events, event->name, filter,
event->loglevel, exclusion);
if (uevent == NULL) {
- uevent = trace_ust_create_event(event, filter, exclusion);
+ uevent = trace_ust_create_event(event, filter_expression,
+ filter, exclusion);
if (uevent == NULL) {
ret = LTTNG_ERR_UST_ENABLE_FAIL;
goto error;
}
/*
- * Enable all JUL event for a given UST session.
+ * Enable all agent event for a given UST session.
*
* Return LTTNG_OK on success or else a LTTNG_ERR* code.
*/
-int event_jul_enable_all(struct ltt_ust_session *usess)
+int event_agent_enable_all(struct ltt_ust_session *usess,
+ struct agent *agt, struct lttng_event *event,
+ struct lttng_filter_bytecode *filter)
{
int ret;
- struct jul_event *jevent;
- struct lttng_event event;
+ struct agent_event *aevent;
struct lttng_ht_iter iter;
assert(usess);
- DBG("Event JUL enabling ALL events for session %" PRIu64, usess->id);
-
- /* Create the * wildcard event name for the Java agent. */
- memset(event.name, 0, sizeof(event.name));
- strncpy(event.name, "*", sizeof(event.name));
- event.name[sizeof(event.name) - 1] = '\0';
+ DBG("Event agent enabling ALL events for session %" PRIu64, usess->id);
- /* Enable event on JUL application through TCP socket. */
- ret = event_jul_enable(usess, &event);
+ /* Enable event on agent application through TCP socket. */
+ ret = event_agent_enable(usess, agt, event, filter);
if (ret != LTTNG_OK) {
goto error;
}
/* Flag every event that they are now enabled. */
rcu_read_lock();
- cds_lfht_for_each_entry(usess->domain_jul.events->ht, &iter.iter, jevent,
+ cds_lfht_for_each_entry(agt->events->ht, &iter.iter, aevent,
node.node) {
- jevent->enabled = 1;
+ aevent->enabled = 1;
}
rcu_read_unlock();
}
/*
- * Enable a single JUL event for a given UST session.
+ * Enable a single agent event for a given UST session.
*
* Return LTTNG_OK on success or else a LTTNG_ERR* code.
*/
-int event_jul_enable(struct ltt_ust_session *usess, struct lttng_event *event)
+int event_agent_enable(struct ltt_ust_session *usess,
+ struct agent *agt, struct lttng_event *event,
+ struct lttng_filter_bytecode *filter)
{
int ret, created = 0;
- struct jul_event *jevent;
+ struct agent_event *aevent;
assert(usess);
assert(event);
+ assert(agt);
- DBG("Event JUL enabling %s for session %" PRIu64, event->name, usess->id);
+ DBG("Event agent enabling %s for session %" PRIu64 " with loglevel type %d "
+ "and loglevel %d", event->name, usess->id, event->loglevel_type,
+ event->loglevel);
- jevent = jul_find_by_name(event->name, &usess->domain_jul);
- if (!jevent) {
- jevent = jul_create_event(event->name);
- if (!jevent) {
+ aevent = agent_find_event(event->name, event->loglevel, agt);
+ if (!aevent) {
+ aevent = agent_create_event(event->name, filter);
+ if (!aevent) {
ret = LTTNG_ERR_NOMEM;
goto error;
}
+ aevent->loglevel = event->loglevel;
+ aevent->loglevel_type = event->loglevel_type;
created = 1;
}
/* Already enabled? */
- if (jevent->enabled) {
+ if (aevent->enabled) {
goto end;
}
- ret = jul_enable_event(jevent);
+ ret = agent_enable_event(aevent, agt->domain);
if (ret != LTTNG_OK) {
goto error;
}
/* If the event was created prior to the enable, add it to the domain. */
if (created) {
- jul_add_event(jevent, &usess->domain_jul);
+ agent_add_event(aevent, agt);
}
end:
error:
if (created) {
- jul_destroy_event(jevent);
+ agent_destroy_event(aevent);
}
return ret;
}
/*
- * Disable a single JUL event for a given UST session.
+ * Return the agent default event name to use by testing if the process is root
+ * or not. Return NULL on error.
+ */
+const char *event_get_default_agent_ust_name(enum lttng_domain_type domain)
+{
+ const char *default_event_name = NULL;
+
+ if (domain == LTTNG_DOMAIN_JUL) {
+ if (is_root) {
+ default_event_name = DEFAULT_SYS_JUL_EVENT_NAME;
+ } else {
+ default_event_name = DEFAULT_USER_JUL_EVENT_NAME;
+ }
+ } else if (domain == LTTNG_DOMAIN_LOG4J) {
+ if (is_root) {
+ default_event_name = DEFAULT_SYS_LOG4J_EVENT_NAME;
+ } else {
+ default_event_name = DEFAULT_USER_LOG4J_EVENT_NAME;
+ }
+ } else {
+ assert(0);
+ }
+
+ return default_event_name;
+}
+
+
+/*
+ * Disable a single agent event for a given UST session.
*
* Return LTTNG_OK on success or else a LTTNG_ERR* code.
*/
-int event_jul_disable(struct ltt_ust_session *usess, char *event_name)
+int event_agent_disable(struct ltt_ust_session *usess, struct agent *agt,
+ char *event_name)
{
int ret;
- struct jul_event *jevent;
+ struct agent_event *aevent;
+ struct ltt_ust_event *uevent = NULL;
+ struct ltt_ust_channel *uchan = NULL;
+ const char *ust_event_name, *ust_channel_name;
+ assert(agt);
assert(usess);
assert(event_name);
- DBG("Event JUL disabling %s for session %" PRIu64, event_name, usess->id);
+ DBG("Event agent disabling %s for session %" PRIu64, event_name, usess->id);
- jevent = jul_find_by_name(event_name, &usess->domain_jul);
- if (!jevent) {
+ aevent = agent_find_event_by_name(event_name, agt);
+ if (!aevent) {
ret = LTTNG_ERR_UST_EVENT_NOT_FOUND;
goto error;
}
/* Already disabled? */
- if (!jevent->enabled) {
+ if (!aevent->enabled) {
goto end;
}
- ret = jul_disable_event(jevent);
+ if (agt->domain == LTTNG_DOMAIN_JUL) {
+ ust_channel_name = DEFAULT_JUL_CHANNEL_NAME;
+ } else if (agt->domain == LTTNG_DOMAIN_LOG4J) {
+ ust_channel_name = DEFAULT_LOG4J_CHANNEL_NAME;
+ } else {
+ ret = LTTNG_ERR_INVALID;
+ goto error;
+ }
+
+ /*
+ * Disable it on the UST side. First get the channel reference then find
+ * the event and finally disable it.
+ */
+ uchan = trace_ust_find_channel_by_name(usess->domain_global.channels,
+ (char *) ust_channel_name);
+ if (!uchan) {
+ ret = LTTNG_ERR_UST_CHAN_NOT_FOUND;
+ goto error;
+ }
+
+ ust_event_name = event_get_default_agent_ust_name(agt->domain);
+ if (!ust_event_name) {
+ ret = LTTNG_ERR_FATAL;
+ goto error;
+ }
+
+ /*
+ * The loglevel is hardcoded with 0 here since the agent ust event is set
+ * with the loglevel type to ALL thus the loglevel stays 0. The event's
+ * filter is the one handling the loglevel for agent.
+ */
+ uevent = trace_ust_find_event(uchan->events, (char *) ust_event_name,
+ aevent->filter, 0, NULL);
+ /* If the agent event exists, it must be available on the UST side. */
+ assert(uevent);
+
+ ret = ust_app_disable_event_glb(usess, uchan, uevent);
+ if (ret < 0 && ret != -LTTNG_UST_ERR_EXIST) {
+ ret = LTTNG_ERR_UST_DISABLE_FAIL;
+ goto error;
+ }
+
+ /*
+ * Flag event that it's disabled so the shadow copy on the ust app side
+ * will disable it if an application shows up.
+ */
+ uevent->enabled = 0;
+
+ ret = agent_disable_event(aevent, agt->domain);
if (ret != LTTNG_OK) {
goto error;
}
return ret;
}
/*
- * Disable all JUL event for a given UST session.
+ * Disable all agent event for a given UST session.
*
* Return LTTNG_OK on success or else a LTTNG_ERR* code.
*/
-int event_jul_disable_all(struct ltt_ust_session *usess)
+int event_agent_disable_all(struct ltt_ust_session *usess,
+ struct agent *agt)
{
- int ret, do_disable = 0;
- struct jul_event *jevent;
+ int ret;
+ struct agent_event *aevent;
struct lttng_ht_iter iter;
+ assert(agt);
assert(usess);
- /* Enable event on JUL application through TCP socket. */
- ret = event_jul_disable(usess, "*");
- if (ret != LTTNG_OK) {
- if (ret == LTTNG_ERR_UST_EVENT_NOT_FOUND) {
- /*
- * This means that no enable all was done before but still a user
- * could want to disable everything even though the * wild card
- * event does not exists.
- */
- do_disable = 1;
- } else {
- goto error;
- }
+ /*
+ * Disable event on agent application. Continue to disable all other events
+ * if the * event is not found.
+ */
+ ret = event_agent_disable(usess, agt, "*");
+ if (ret != LTTNG_OK && ret != LTTNG_ERR_UST_EVENT_NOT_FOUND) {
+ goto error;
}
/* Flag every event that they are now enabled. */
rcu_read_lock();
- cds_lfht_for_each_entry(usess->domain_jul.events->ht, &iter.iter, jevent,
+ cds_lfht_for_each_entry(agt->events->ht, &iter.iter, aevent,
node.node) {
- if (jevent->enabled && do_disable) {
- ret = event_jul_disable(usess, jevent->name);
- if (ret != LTTNG_OK) {
- rcu_read_unlock();
- goto error;
- }
+ if (!aevent->enabled) {
+ continue;
+ }
+
+ ret = event_agent_disable(usess, agt, aevent->name);
+ if (ret != LTTNG_OK) {
+ rcu_read_unlock();
+ goto error;
}
- jevent->enabled = 0;
}
rcu_read_unlock();