Implement UST destroy session

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

diff --git a/lttng-sessiond/ust-app.h b/lttng-sessiond/ust-app.h
index 76b81b29a1eb5a2560fe2e05148d601dc0788a3d..e92458e2b5801726396cec74caf65af7dbe61499 100644 (file)
--- a/lttng-sessiond/ust-app.h
+++ b/lttng-sessiond/ust-app.h
@@ -24,6 +24,10 @@
 
 #include "trace-ust.h"
 
+#define UST_APP_EVENT_LIST_SIZE 32
+
+extern int ust_consumer_fd;
+
 /*
  * Application registration data structure.
  */
@@ -54,6 +58,7 @@ struct ust_app_event {
        int enabled;
        int handle;
        struct lttng_ust_object_data *obj;
+       struct lttng_ust_event attr;
        char name[LTTNG_UST_SYM_NAME_LEN];
        struct cds_lfht *ctx;
        struct cds_lfht_node node;
@@ -73,12 +78,14 @@ struct ust_app_channel {
 
 struct ust_app_session {
        int enabled;
+       /* started: has the session been in started state at any time ? */
+       int started;  /* allows detection of start vs restart. */
        int handle;   /* Used has unique identifier */
        unsigned int uid;
        struct ltt_ust_metadata *metadata;
-       struct lttng_ust_object_data *obj;
        struct cds_lfht *channels; /* Registered channels */
        struct cds_lfht_node node;
+       char path[PATH_MAX];
 };
 
 /*
@@ -101,13 +108,18 @@ struct ust_app {
 
 int ust_app_register(struct ust_register_msg *msg, int sock);
 void ust_app_unregister(int sock);
-int ust_app_add_channel_all(struct ltt_ust_session *usess,
+int ust_app_create_channel_all(struct ltt_ust_session *usess,
                struct ltt_ust_channel *uchan);
-int ust_app_add_event_all(struct ltt_ust_session *usess,
+int ust_app_create_event_all(struct ltt_ust_session *usess,
                struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent);
 unsigned long ust_app_list_count(void);
 int ust_app_start_trace(struct ltt_ust_session *usess, struct ust_app *app);
+int ust_app_stop_trace(struct ltt_ust_session *usess, struct ust_app *app);
 int ust_app_start_trace_all(struct ltt_ust_session *usess);
+int ust_app_stop_trace_all(struct ltt_ust_session *usess);
+int ust_app_destroy_trace(struct ltt_ust_session *usess, struct ust_app *app);
+int ust_app_destroy_trace_all(struct ltt_ust_session *usess);
+int ust_app_list_events(struct lttng_event **events);
 void ust_app_global_update(struct ltt_ust_session *usess, int sock);
 
 void ust_app_clean_list(void);
@@ -128,6 +140,11 @@ int ust_app_start_trace_all(struct ltt_ust_session *usess)
        return 0;
 }
 static inline
+int ust_app_list_events(struct lttng_event **events)
+{
+       return 0;
+}
+static inline
 int ust_app_register(struct ust_register_msg *msg, int sock)
 {
        return -ENOSYS;