#include <stdint.h>
#include <common/compat/uuid.h>
+
+#include "jul.h"
#include "trace-ust.h"
#include "ust-registry.h"
struct lttng_ust_context ctx;
struct lttng_ust_object_data *obj;
struct lttng_ht_node_ulong node;
+ struct cds_list_head list;
};
struct ust_app_event {
struct ust_app_stream_list streams;
/* Session pointer that owns this object. */
struct ust_app_session *session;
+ /*
+ * Contexts are kept in a hash table for fast lookup and in an ordered list
+ * so we are able to enable them on the tracer side in the same order the
+ * user added them.
+ */
struct lttng_ht *ctx;
+ struct cds_list_head ctx_list;
+
struct lttng_ht *events;
uint64_t tracefile_size;
uint64_t tracefile_count;
* 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 {
* 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 tracing_id;
uint64_t id; /* Unique session identifier */
struct lttng_ht *channels; /* Registered channels */
- struct lttng_ht_node_ulong node;
+ struct lttng_ht_node_u64 node;
char path[PATH_MAX];
/* UID/GID of the application owning the session */
uid_t uid;
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;
+ /* If the channel's streams have to be outputed or not. */
+ unsigned int output_traces;
+ unsigned int live_timer_interval; /* usec */
};
/*
* Hash table containing ust_app_channel indexed by channel objd.
*/
struct lttng_ht *ust_objd;
+ /*
+ * If this application is of the JUL domain and this is non negative then a
+ * lookup MUST be done to acquire a read side reference to the
+ * corresponding JUL app object. If the lookup fails, this should be set to
+ * a negative value indicating that the JUL application is gone.
+ */
+ int jul_app_sock;
};
#ifdef HAVE_LIBLTTNG_UST_CTL
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, unsigned int nb_streams);
+unsigned int ust_app_get_nb_stream(struct ltt_ust_session *usess);
+struct ust_app *ust_app_find_by_sock(int sock);
+
+static inline
+int ust_app_supported(void)
+{
+ return 1;
+}
#else /* HAVE_LIBLTTNG_UST_CTL */
{
return 0;
}
+static inline
+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, unsigned int nb_stream)
+{
+ return 0;
+}
+static inline
+unsigned int ust_app_get_nb_stream(struct ltt_ust_session *usess)
+{
+ return 0;
+}
+
+static inline
+int ust_app_supported(void)
+{
+ return 0;
+}
+static inline
+struct ust_app *ust_app_find_by_sock(int sock)
+{
+ return NULL;
+}
+static inline
+struct ust_app *ust_app_find_by_pid(pid_t pid)
+{
+ return NULL;
+}
#endif /* HAVE_LIBLTTNG_UST_CTL */