X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;ds=sidebyside;f=src%2Fbin%2Flttng-sessiond%2Ftrace-ust.h;h=efca4d23b8989dc37650565e9037879372e09ff9;hb=18eace3ba4aeaa6b869c8ad9ec1273381b4cbdee;hp=4513bafee6847581aa0f401a52cd17f880028b85;hpb=d14d33bf091e72b23b1f90ea18a0a01bed098b76;p=lttng-tools.git

diff --git a/src/bin/lttng-sessiond/trace-ust.h b/src/bin/lttng-sessiond/trace-ust.h
index 4513bafee..efca4d23b 100644
--- a/src/bin/lttng-sessiond/trace-ust.h
+++ b/src/bin/lttng-sessiond/trace-ust.h
@@ -20,14 +20,21 @@
 
 #include <config.h>
 #include <limits.h>
-#include <urcu.h>
 #include <urcu/list.h>
 
 #include <lttng/lttng.h>
 #include <common/hashtable/hashtable.h>
+#include <common/defaults.h>
 
+#include "consumer.h"
 #include "ust-ctl.h"
 
+struct ltt_ust_ht_key {
+	const char *name;
+	const struct lttng_filter_bytecode *filter;
+	enum lttng_ust_loglevel_type loglevel;
+};
+
 /* UST Stream list */
 struct ltt_ust_stream_list {
 	unsigned int count;
@@ -44,14 +51,16 @@ struct ltt_ust_context {
 struct ltt_ust_event {
 	unsigned int enabled;
 	struct lttng_ust_event attr;
-	struct lttng_ht *ctx;
 	struct lttng_ht_node_str node;
+	struct lttng_ust_filter_bytecode *filter;
 };
 
 /* UST stream */
 struct ltt_ust_stream {
 	int handle;
 	char pathname[PATH_MAX];
+	/* Format is %s_%d respectively channel name and CPU number. */
+	char name[DEFAULT_STREAM_NAME_LEN];
 	struct lttng_ust_object_data *obj;
 	/* Using a list of streams to keep order. */
 	struct cds_list_head list;
@@ -112,23 +121,37 @@ struct ltt_ust_session {
 	/* UID/GID of the user owning the session */
 	uid_t uid;
 	gid_t gid;
+	/*
+	 * Two consumer_output object are needed where one is for the current
+	 * output object and the second one is the temporary object used to store
+	 * URI being set by the lttng_set_consumer_uri call. Once
+	 * lttng_enable_consumer is called, the two pointers are swapped.
+	 */
+	struct consumer_output *consumer;
+	struct consumer_output *tmp_consumer;
+	/* Sequence number for filters so the tracer knows the ordering. */
+	uint64_t filter_seq_num;
 };
 
 #ifdef HAVE_LIBLTTNG_UST_CTL
 
+int trace_ust_ht_match_event(struct cds_lfht_node *node, const void *_key);
+int trace_ust_ht_match_event_by_name(struct cds_lfht_node *node,
+		const void *_key);
+
 /*
  * Lookup functions. NULL is returned if not found.
  */
-struct ltt_ust_event *trace_ust_find_event_by_name(struct lttng_ht *ht,
-		char *name);
+struct ltt_ust_event *trace_ust_find_event(struct lttng_ht *ht,
+		char *name, struct lttng_filter_bytecode *filter, int loglevel);
 struct ltt_ust_channel *trace_ust_find_channel_by_name(struct lttng_ht *ht,
 		char *name);
 
 /*
  * Create functions malloc() the data structure.
  */
-struct ltt_ust_session *trace_ust_create_session(char *path, int session_id,
-		struct lttng_domain *domain);
+struct ltt_ust_session *trace_ust_create_session(char *path,
+		unsigned int session_id, struct lttng_domain *domain);
 struct ltt_ust_channel *trace_ust_create_channel(struct lttng_channel *attr,
 		char *path);
 struct ltt_ust_event *trace_ust_create_event(struct lttng_event *ev);
@@ -147,13 +170,6 @@ void trace_ust_destroy_event(struct ltt_ust_event *event);
 
 #else /* HAVE_LIBLTTNG_UST_CTL */
 
-static inline
-struct ltt_ust_event *trace_ust_find_event_by_name(struct lttng_ht *ht,
-		char *name)
-{
-	return NULL;
-}
-
 static inline
 struct ltt_ust_channel *trace_ust_find_channel_by_name(struct lttng_ht *ht,
 		char *name)