SoW-2020-0002: Trace Hit Counters: trigger error reporting integration

[lttng-tools.git] / src / bin / lttng-sessiond / ust-app.h

diff --git a/src/bin/lttng-sessiond/ust-app.h b/src/bin/lttng-sessiond/ust-app.h
index 164bc2c6f2c95acf59d91e2a339cd55f3b338fef..3b65a67e42121a1dbe1874a140222179dcb0b476 100644 (file)
--- a/src/bin/lttng-sessiond/ust-app.h
+++ b/src/bin/lttng-sessiond/ust-app.h
@@ -11,6 +11,7 @@
 
 #include <stdint.h>
 
+#include <common/index-allocator.h>
 #include <common/uuid.h>
 
 #include "trace-ust.h"
@@ -22,7 +23,7 @@
 /* Process name (short). */
 #define UST_APP_PROCNAME_LEN   16
 
-struct lttng_filter_bytecode;
+struct lttng_bytecode;
 struct lttng_ust_filter_bytecode;
 
 extern int ust_consumerd64_fd, ust_consumerd32_fd;
@@ -39,7 +40,7 @@ struct ust_app_notify_sock_obj {
 
 struct ust_app_ht_key {
        const char *name;
-       const struct lttng_filter_bytecode *filter;
+       const struct lttng_bytecode *filter;
        enum lttng_ust_loglevel_type loglevel_type;
        const struct lttng_event_exclusion *exclusion;
 };
@@ -108,7 +109,21 @@ struct ust_app_event {
        struct lttng_ust_event attr;
        char name[LTTNG_UST_SYM_NAME_LEN];
        struct lttng_ht_node_str node;
-       struct lttng_filter_bytecode *filter;
+       struct lttng_bytecode *filter;
+       struct lttng_event_exclusion *exclusion;
+};
+
+struct ust_app_token_event_rule {
+       int enabled;
+       uint64_t error_counter_index;
+       int handle;
+       struct lttng_ust_object_data *obj;
+       struct lttng_trigger *trigger;
+       uint64_t token;
+       struct lttng_ht_node_u64 node;
+       /* The event_rule object own this pointer */
+       const struct lttng_bytecode *filter;
+       /* The event_rule object own this pointer */
        struct lttng_event_exclusion *exclusion;
 };
 
@@ -292,6 +307,14 @@ struct ust_app {
         * Used for path creation
         */
        time_t registration_time;
+       /*
+        * Trigger
+        */
+       struct {
+               struct lttng_ust_object_data *handle;
+               struct lttng_pipe *trigger_event_pipe;
+       } token_communication;
+       struct lttng_ht *tokens_ht;
 };
 
 #ifdef HAVE_LIBLTTNG_UST_CTL
@@ -319,6 +342,10 @@ int ust_app_add_ctx_channel_glb(struct ltt_ust_session *usess,
                struct ltt_ust_channel *uchan, struct ltt_ust_context *uctx);
 void ust_app_global_update(struct ltt_ust_session *usess, struct ust_app *app);
 void ust_app_global_update_all(struct ltt_ust_session *usess);
+void ust_app_global_update_tokens(struct ust_app *app);
+void ust_app_global_update_all_tokens(void);
+
+void ust_app_update_trigger_error_count(struct lttng_trigger *trigger);
 
 void ust_app_clean_list(void);
 int ust_app_ht_alloc(void);
@@ -356,6 +383,8 @@ int ust_app_release_object(struct ust_app *app,
 enum lttng_error_code ust_app_clear_session(struct ltt_session *session);
 enum lttng_error_code ust_app_open_packets(struct ltt_session *session);
 
+int ust_app_setup_trigger_group(struct ust_app *app);
+
 static inline
 int ust_app_supported(void)
 {
@@ -444,6 +473,17 @@ static inline
 void ust_app_global_update(struct ltt_ust_session *usess, struct ust_app *app)
 {}
 static inline
+void ust_app_global_update_tokens(struct ust_app *app)
+{}
+static inline
+void ust_app_global_update_all_tokens(void)
+{}
+static inline
+int ust_app_setup_trigger_group(struct ust_app *app)
+{
+       return 0;
+}
+static inline
 int ust_app_disable_channel_glb(struct ltt_ust_session *usess,
                struct ltt_ust_channel *uchan)
 {
@@ -531,7 +571,11 @@ unsigned int ust_app_get_nb_stream(struct ltt_ust_session *usess)
 {
        return 0;
 }
-
+static inline
+void ust_app_update_trigger_error_count(struct lttng_trigger *trigger)
+{
+       return;
+}
 static inline
 int ust_app_supported(void)
 {