X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fust-app.h;h=957d1f95d7b2bf5d82663e13cd9bb3e4ee1e9e59;hp=4398fe2414a68707f5fc9352b1b5eab0cfb0214c;hb=4b5ab17b3aec396cfa096ecac1b990242072d644;hpb=bdf640139afb02572eb23f014e4a61ad68fdfeb1

diff --git a/src/bin/lttng-sessiond/ust-app.h b/src/bin/lttng-sessiond/ust-app.h
index 4398fe241..957d1f95d 100644
--- a/src/bin/lttng-sessiond/ust-app.h
+++ b/src/bin/lttng-sessiond/ust-app.h
@@ -21,10 +21,11 @@
 
 #include <stdint.h>
 
-#include <common/compat/uuid.h>
+#include <common/uuid.h>
 
 #include "trace-ust.h"
 #include "ust-registry.h"
+#include "session.h"
 
 #define UST_APP_EVENT_LIST_SIZE 32
 
@@ -85,6 +86,8 @@ struct lttng_ht *ust_app_ht;
 /*
  * Global applications HT used by the session daemon. This table is indexed by
  * socket using the sock_n node and sock value of an ust_app.
+ *
+ * The 'sock' in question here is the 'command' socket.
  */
 struct lttng_ht *ust_app_ht_by_sock;
 
@@ -134,7 +137,11 @@ struct ust_app_channel {
 	int handle;
 	/* Channel and streams were sent to the UST tracer. */
 	int is_sent;
-	/* Unique key used to identify the channel on the consumer side. */
+	/*
+	 * Unique key used to identify the channel on the consumer side.
+	 * 0 is a reserved 'invalid' value used to indicate that the consumer
+	 * does not know about this channel (i.e. an error occurred).
+	 */
 	uint64_t key;
 	/* Id of the tracing channel set on creation. */
 	uint64_t tracing_channel_id;
@@ -157,6 +164,7 @@ struct ust_app_channel {
 	struct lttng_ht *events;
 	uint64_t tracefile_size;
 	uint64_t tracefile_count;
+	uint64_t monitor_timer_interval;
 	/*
 	 * Node indexed by channel name in the channels' hash table of a session.
 	 */
@@ -198,13 +206,12 @@ struct ust_app_session {
 	 * ust_sessions_objd hash table in the ust_app object.
 	 */
 	struct lttng_ht_node_ulong ust_objd_node;
+	/* Starts with 'ust'; no leading slash. */
 	char path[PATH_MAX];
 	/* UID/GID of the application owning the session */
-	uid_t uid;
-	gid_t gid;
+	struct lttng_credentials real_credentials;
 	/* Effective UID and GID. Same as the tracing session. */
-	uid_t euid;
-	gid_t egid;
+	struct lttng_credentials effective_credentials;
 	struct cds_list_head teardown_node;
 	/*
 	 * Once at least *one* session is created onto the application, the
@@ -290,6 +297,11 @@ struct ust_app {
 	 * to a negative value indicating that the agent application is gone.
 	 */
 	int agent_app_sock;
+	/*
+	 * Time at which the app is registred.
+	 * Used for path creation
+	 */
+	time_t registration_time;
 };
 
 #ifdef HAVE_LIBLTTNG_UST_CTL
@@ -303,21 +315,14 @@ int ust_app_stop_trace_all(struct ltt_ust_session *usess);
 int ust_app_destroy_trace_all(struct ltt_ust_session *usess);
 int ust_app_list_events(struct lttng_event **events);
 int ust_app_list_event_fields(struct lttng_event_field **fields);
-int ust_app_create_channel_glb(struct ltt_ust_session *usess,
-		struct ltt_ust_channel *uchan);
 int ust_app_create_event_glb(struct ltt_ust_session *usess,
 		struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent);
-int ust_app_enable_event_pid(struct ltt_ust_session *usess,
-		struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent,
-		pid_t pid);
 int ust_app_disable_channel_glb(struct ltt_ust_session *usess,
 		struct ltt_ust_channel *uchan);
 int ust_app_enable_channel_glb(struct ltt_ust_session *usess,
 		struct ltt_ust_channel *uchan);
 int ust_app_enable_event_glb(struct ltt_ust_session *usess,
 		struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent);
-int ust_app_enable_all_event_glb(struct ltt_ust_session *usess,
-		struct ltt_ust_channel *uchan);
 int ust_app_disable_event_glb(struct ltt_ust_session *usess,
 		struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent);
 int ust_app_add_ctx_channel_glb(struct ltt_ust_session *usess,
@@ -328,7 +333,6 @@ void ust_app_global_update_all(struct ltt_ust_session *usess);
 void ust_app_clean_list(void);
 int ust_app_ht_alloc(void);
 struct ust_app *ust_app_find_by_pid(pid_t pid);
-int ust_app_calibrate_glb(struct lttng_ust_calibrate *calibrate);
 struct ust_app_stream *ust_app_alloc_stream(void);
 int ust_app_recv_registration(int sock, struct ust_register_msg *msg);
 int ust_app_recv_notify(int sock);
@@ -338,12 +342,28 @@ void ust_app_notify_sock_unregister(int sock);
 ssize_t ust_app_push_metadata(struct ust_registry_session *registry,
 		struct consumer_socket *socket, int send_zero_data);
 void ust_app_destroy(struct ust_app *app);
-int ust_app_snapshot_record(struct ltt_ust_session *usess,
-		struct snapshot_output *output, int wait,
+enum lttng_error_code ust_app_snapshot_record(
+		const struct ltt_ust_session *usess,
+		const struct consumer_output *output, int wait,
 		uint64_t nb_packets_per_stream);
 uint64_t ust_app_get_size_one_more_packet_per_stream(
-		struct ltt_ust_session *usess, uint64_t cur_nr_packets);
+		const struct ltt_ust_session *usess, uint64_t cur_nr_packets);
 struct ust_app *ust_app_find_by_sock(int sock);
+int ust_app_uid_get_channel_runtime_stats(uint64_t ust_session_id,
+		struct cds_list_head *buffer_reg_uid_list,
+		struct consumer_output *consumer, uint64_t uchan_id,
+		int overwrite, uint64_t *discarded, uint64_t *lost);
+int ust_app_pid_get_channel_runtime_stats(struct ltt_ust_session *usess,
+		struct ltt_ust_channel *uchan,
+		struct consumer_output *consumer,
+		int overwrite, uint64_t *discarded, uint64_t *lost);
+int ust_app_regenerate_statedump_all(struct ltt_ust_session *usess);
+enum lttng_error_code ust_app_rotate_session(struct ltt_session *session);
+enum lttng_error_code ust_app_create_channel_subdirectories(
+		const struct ltt_ust_session *session);
+int ust_app_release_object(struct ust_app *app,
+		struct lttng_ust_object_data *data);
+enum lttng_error_code ust_app_clear_session(struct ltt_session *session);
 
 static inline
 int ust_app_supported(void)
@@ -445,18 +465,6 @@ int ust_app_enable_channel_glb(struct ltt_ust_session *usess,
 	return 0;
 }
 static inline
-int ust_app_create_channel_glb(struct ltt_ust_session *usess,
-		struct ltt_ust_channel *uchan)
-{
-	return 0;
-}
-static inline
-int ust_app_enable_all_event_glb(struct ltt_ust_session *usess,
-		struct ltt_ust_channel *uchan)
-{
-	return 0;
-}
-static inline
 int ust_app_create_event_glb(struct ltt_ust_session *usess,
 		struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent)
 {
@@ -488,11 +496,6 @@ int ust_app_enable_event_pid(struct ltt_ust_session *usess,
 	return 0;
 }
 static inline
-int ust_app_calibrate_glb(struct lttng_ust_calibrate *calibrate)
-{
-	return 0;
-}
-static inline
 int ust_app_recv_registration(int sock, struct ust_register_msg *msg)
 {
 	return 0;
@@ -527,8 +530,8 @@ void ust_app_destroy(struct ust_app *app)
 	return;
 }
 static inline
-int ust_app_snapshot_record(struct ltt_ust_session *usess,
-		struct snapshot_output *output, int wait, uint64_t max_stream_size)
+enum lttng_error_code ust_app_snapshot_record(struct ltt_ust_session *usess,
+		const struct consumer_output *output, int wait, uint64_t max_stream_size)
 {
 	return 0;
 }
@@ -555,7 +558,55 @@ struct ust_app *ust_app_find_by_pid(pid_t pid)
 }
 static inline
 uint64_t ust_app_get_size_one_more_packet_per_stream(
-		struct ltt_ust_session *usess, uint64_t cur_nr_packets) {
+		const struct ltt_ust_session *usess, uint64_t cur_nr_packets) {
+	return 0;
+}
+static inline
+int ust_app_uid_get_channel_runtime_stats(uint64_t ust_session_id,
+		struct cds_list_head *buffer_reg_uid_list,
+		struct consumer_output *consumer, int overwrite,
+		uint64_t uchan_id, uint64_t *discarded, uint64_t *lost)
+{
+	return 0;
+}
+
+static inline
+int ust_app_pid_get_channel_runtime_stats(struct ltt_ust_session *usess,
+		struct ltt_ust_channel *uchan,
+		struct consumer_output *consumer,
+		int overwrite, uint64_t *discarded, uint64_t *lost)
+{
+	return 0;
+}
+
+static inline
+int ust_app_regenerate_statedump_all(struct ltt_ust_session *usess)
+{
+	return 0;
+}
+
+static inline
+enum lttng_error_code ust_app_rotate_session(struct ltt_session *session)
+{
+	return 0;
+}
+
+static inline
+enum lttng_error_code ust_app_create_channel_subdirectories(
+		const struct ltt_ust_session *session)
+{
+	return 0;
+}
+
+static inline
+int ust_app_release_object(struct ust_app *app, struct lttng_ust_object_data *data)
+{
+	return 0;
+}
+
+static inline
+enum lttng_error_code ust_app_clear_session(struct ltt_session *session)
+{
 	return 0;
 }