X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=include%2Fbabeltrace%2Fctf-ir%2Ftrace-internal.h;h=3f583065eef124520a008a3e3f7c71aacc283c86;hb=3602afb05ca664461109fa2d29d4e53db1c13fe2;hp=d332a581049d9cf798af161c3597ca4be5a60a8d;hpb=c9d90a342899db7aa095b06d15728f24b89e9a2b;p=babeltrace.git

diff --git a/include/babeltrace/ctf-ir/trace-internal.h b/include/babeltrace/ctf-ir/trace-internal.h
index d332a581..3f583065 100644
--- a/include/babeltrace/ctf-ir/trace-internal.h
+++ b/include/babeltrace/ctf-ir/trace-internal.h
@@ -33,6 +33,7 @@
 #include <babeltrace/object-internal.h>
 #include <babeltrace/babeltrace-internal.h>
 #include <babeltrace/values.h>
+#include <babeltrace/types.h>
 #include <glib.h>
 #include <sys/types.h>
 #include <uuid/uuid.h>
@@ -52,13 +53,14 @@ struct bt_ctf_trace {
 	GString *name;
 	int frozen;
 	uuid_t uuid;
+	bt_bool uuid_set;
 	enum bt_ctf_byte_order native_byte_order;
 	struct bt_value *environment;
 	GPtrArray *clocks; /* Array of pointers to bt_ctf_clock_class */
 	GPtrArray *stream_classes; /* Array of ptrs to bt_ctf_stream_class */
 	GPtrArray *streams; /* Array of ptrs to bt_ctf_stream */
 	struct bt_ctf_field_type *packet_header_type;
-	uint64_t next_stream_id;
+	int64_t next_stream_id;
 	int is_created_by_writer;
 
 	/*
@@ -67,6 +69,8 @@ struct bt_ctf_trace {
 	 */
 	int valid;
 	GPtrArray *listeners; /* Array of struct listener_wrapper */
+	GArray *is_static_listeners;
+	bt_bool is_static;
 };
 
 struct metadata_context {
@@ -86,7 +90,52 @@ int bt_ctf_trace_object_modification(struct bt_ctf_object *object,
 		void *trace_ptr);
 
 BT_HIDDEN
-bool bt_ctf_trace_has_clock_class(struct bt_ctf_trace *trace,
+bt_bool bt_ctf_trace_has_clock_class(struct bt_ctf_trace *trace,
 		struct bt_ctf_clock_class *clock_class);
 
+/**
+@brief	User function type to use with bt_ctf_trace_add_listener().
+
+@param[in] obj	New CTF IR object which is part of the trace
+		class hierarchy.
+@param[in] data	User data.
+
+@prenotnull{obj}
+*/
+typedef void (*bt_ctf_listener_cb)(struct bt_ctf_object *obj, void *data);
+
+/**
+@brief	Adds the trace class modification listener \p listener to
+	the CTF IR trace class \p trace_class.
+
+Once you add \p listener to \p trace_class, whenever \p trace_class
+is modified, \p listener is called with the new element and with
+\p data (user data).
+
+@param[in] trace_class	Trace class to which to add \p listener.
+@param[in] listener	Modification listener function.
+@param[in] data		User data.
+@returns		0 on success, or a negative value on error.
+
+@prenotnull{trace_class}
+@prenotnull{listener}
+@postrefcountsame{trace_class}
+*/
+BT_HIDDEN
+int bt_ctf_trace_add_listener(struct bt_ctf_trace *trace_class,
+		bt_ctf_listener_cb listener, void *data);
+
+/*
+ * bt_ctf_trace_get_metadata_string: get metadata string.
+ *
+ * Get the trace's TSDL metadata. The caller assumes the ownership of the
+ * returned string.
+ *
+ * @param trace Trace instance.
+ *
+ * Returns the metadata string on success, NULL on error.
+ */
+BT_HIDDEN
+char *bt_ctf_trace_get_metadata_string(struct bt_ctf_trace *trace);
+
 #endif /* BABELTRACE_CTF_IR_TRACE_INTERNAL_H */