X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fust-app.h;h=6e6ff0203cdb9cc1ddf88a1d626f0cd96db5f033;hp=c6294d0a4626df9d51b8d602cb72ccbeb89d3cb6;hb=36b588eddce05ef840bd247f6a58316925b9a0a2;hpb=5d2e1e66a968d9e555f9b8b00d0589ebfaf3de32

diff --git a/src/bin/lttng-sessiond/ust-app.h b/src/bin/lttng-sessiond/ust-app.h
index c6294d0a4..6e6ff0203 100644
--- a/src/bin/lttng-sessiond/ust-app.h
+++ b/src/bin/lttng-sessiond/ust-app.h
@@ -131,6 +131,8 @@ struct ust_app_channel {
 	int is_sent;
 	/* Unique key used to identify the channel on the consumer side. */
 	uint64_t key;
+	/* Id of the tracing channel set on creation. */
+	uint64_t tracing_channel_id;
 	/* Number of stream that this channel is expected to receive. */
 	unsigned int expected_stream_count;
 	char name[LTTNG_UST_SYM_NAME_LEN];
@@ -141,10 +143,8 @@ struct ust_app_channel {
 	struct ust_app_session *session;
 	struct lttng_ht *ctx;
 	struct lttng_ht *events;
-	/*
-	 * UST event registry. The ONLY writer is the application thread.
-	 */
-	struct ust_registry_channel registry;
+	uint64_t tracefile_size;
+	uint64_t tracefile_count;
 	/*
 	 * Node indexed by channel name in the channels' hash table of a session.
 	 */
@@ -154,6 +154,8 @@ struct ust_app_channel {
 	 * ust_objd hash table in the ust_app object.
 	 */
 	struct lttng_ht_node_ulong ust_objd_node;
+	/* For delayed reclaim */
+	struct rcu_head rcu_head;
 };
 
 struct ust_app_session {
@@ -168,21 +170,33 @@ struct ust_app_session {
 	/* 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 for app session */
-	int id;       /* session unique identifier */
-	struct ust_app_channel *metadata;
-	struct ust_registry_session registry;
+
+	/*
+	 * Tracing session ID. Multiple ust app session can have the same tracing
+	 * session id making this value NOT unique to the object.
+	 */
+	int tracing_id;
+	uint64_t id;	/* Unique session identifier */
 	struct lttng_ht *channels; /* Registered channels */
 	struct lttng_ht_node_ulong node;
 	char path[PATH_MAX];
-	/* UID/GID of the user owning the session */
+	/* UID/GID of the application owning the session */
 	uid_t uid;
 	gid_t gid;
+	/* Effective UID and GID. Same as the tracing session. */
+	uid_t euid;
+	gid_t egid;
 	struct cds_list_head teardown_node;
 	/*
 	 * Once at least *one* session is created onto the application, the
 	 * corresponding consumer is set so we can use it on unregistration.
 	 */
 	struct consumer_output *consumer;
+	enum lttng_buffer_type buffer_type;
+	/* ABI of the session. Same value as the application. */
+	uint32_t bits_per_long;
+	/* For delayed reclaim */
+	struct rcu_head rcu_head;
 };
 
 /*
@@ -214,6 +228,8 @@ struct ust_app {
 	uint32_t v_minor;    /* Version minor number */
 	/* Extra for the NULL byte. */
 	char name[UST_APP_PROCNAME_LEN + 1];
+	/* Type of buffer this application uses. */
+	enum lttng_buffer_type buffer_type;
 	struct lttng_ht *sessions;
 	struct lttng_ht_node_ulong pid_n;
 	struct lttng_ht_node_ulong sock_n;
@@ -245,8 +261,6 @@ int ust_app_register_done(int sock)
 int ust_app_version(struct ust_app *app);
 void ust_app_unregister(int sock);
 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_all(struct ltt_ust_session *usess);
@@ -289,6 +303,8 @@ int ust_app_recv_notify(int sock);
 void ust_app_add(struct ust_app *app);
 struct ust_app *ust_app_create(struct ust_register_msg *msg, int sock);
 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);
 
 #else /* HAVE_LIBLTTNG_UST_CTL */
 
@@ -475,6 +491,12 @@ static inline
 void ust_app_notify_sock_unregister(int sock)
 {
 }
+static inline
+ssize_t ust_app_push_metadata(struct ust_registry_session *registry,
+		struct consumer_socket *socket, int send_zero_data)
+{
+	return 0;
+}
 
 #endif /* HAVE_LIBLTTNG_UST_CTL */