#include <common/defaults.h>
#include "consumer.h"
-#include "agent.h"
#include "ust-ctl.h"
+struct agent;
+
struct ltt_ust_ht_key {
const char *name;
const struct lttng_filter_bytecode *filter;
struct lttng_ust_event attr;
struct lttng_ht_node_str node;
char *filter_expression;
- struct lttng_ust_filter_bytecode *filter;
+ struct lttng_filter_bytecode *filter;
struct lttng_event_exclusion *exclusion;
+ /*
+ * An internal event is an event which was created by the session daemon
+ * through which, for example, events emitted in Agent domains are
+ * "funelled". This is used to hide internal events from external
+ * clients as they should never be modified by the external world.
+ */
+ bool internal;
};
/* UST channel */
struct ltt_ust_channel {
uint64_t id; /* unique id per session. */
unsigned int enabled;
+ /*
+ * A UST channel can be part of a userspace sub-domain such as JUL,
+ * Log4j, Python.
+ */
+ enum lttng_domain_type domain;
char name[LTTNG_UST_SYM_NAME_LEN];
struct lttng_ust_channel_attr attr;
struct lttng_ht *ctx;
struct cds_list_head registry_buffer_uid_list;
};
+struct ust_pid_tracker_node {
+ struct lttng_ht_node_ulong node;
+};
+
+struct ust_pid_tracker {
+ struct lttng_ht *ht;
+};
+
/* UST session */
struct ltt_ust_session {
uint64_t id; /* Unique identifier of session */
/* Metadata channel attributes. */
struct lttng_ust_channel_attr metadata_attr;
+
+ /*
+ * Path where to keep the shared memory files.
+ */
+ char root_shm_path[PATH_MAX];
+ char shm_path[PATH_MAX];
+
+ struct ust_pid_tracker pid_tracker;
};
/*
* Create functions malloc() the data structure.
*/
struct ltt_ust_session *trace_ust_create_session(uint64_t session_id);
-struct ltt_ust_channel *trace_ust_create_channel(struct lttng_channel *attr);
+struct ltt_ust_channel *trace_ust_create_channel(struct lttng_channel *attr,
+ enum lttng_domain_type domain);
struct ltt_ust_event *trace_ust_create_event(struct lttng_event *ev,
char *filter_expression,
struct lttng_filter_bytecode *filter,
- struct lttng_event_exclusion *exclusion);
+ struct lttng_event_exclusion *exclusion,
+ bool internal_event);
struct ltt_ust_context *trace_ust_create_context(
struct lttng_event_context *ctx);
int trace_ust_match_context(struct ltt_ust_context *uctx,
void trace_ust_destroy_channel(struct ltt_ust_channel *channel);
void trace_ust_destroy_event(struct ltt_ust_event *event);
+int trace_ust_track_pid(struct ltt_ust_session *session, int pid);
+int trace_ust_untrack_pid(struct ltt_ust_session *session, int pid);
+
+int trace_ust_pid_tracker_lookup(struct ltt_ust_session *session, int pid);
+
+ssize_t trace_ust_list_tracker_pids(struct ltt_ust_session *session,
+ int32_t **_pids);
+
#else /* HAVE_LIBLTTNG_UST_CTL */
static inline int trace_ust_ht_match_event(struct cds_lfht_node *node,
return NULL;
}
static inline
-struct ltt_ust_channel *trace_ust_create_channel(struct lttng_channel *attr)
+struct ltt_ust_channel *trace_ust_create_channel(struct lttng_channel *attr,
+ enum lttng_domain_type domain)
{
return NULL;
}
struct ltt_ust_event *trace_ust_create_event(struct lttng_event *ev,
const char *filter_expression,
struct lttng_filter_bytecode *filter,
- struct lttng_event_exclusion *exclusion)
+ struct lttng_event_exclusion *exclusion,
+ bool internal_event)
{
return NULL;
}
{
return NULL;
}
-
+static inline
+int trace_ust_track_pid(struct ltt_ust_session *session, int pid)
+{
+ return 0;
+}
+static inline
+int trace_ust_untrack_pid(struct ltt_ust_session *session, int pid)
+{
+ return 0;
+}
+static inline
+int trace_ust_pid_tracker_lookup(struct ltt_ust_session *session, int pid)
+{
+ return 0;
+}
+static inline
+ssize_t trace_ust_list_tracker_pids(struct ltt_ust_session *session,
+ int32_t **_pids)
+{
+ return -1;
+}
#endif /* HAVE_LIBLTTNG_UST_CTL */
#endif /* _LTT_TRACE_UST_H */