X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=include%2Fbabeltrace%2Fctf-ir%2Ftrace-internal.h;h=b468379aa2a19e9d33d8e0b5fef164933d6b1d3d;hb=c55a9f585da53ea54ac458155fac3cdec1779d47;hp=b32f7cabc3b9ecc299d7edbe1f1d7614c57cd3fe;hpb=7f800dc7c2a13dc895a4c609150c231b6745317c;p=babeltrace.git

diff --git a/include/babeltrace/ctf-ir/trace-internal.h b/include/babeltrace/ctf-ir/trace-internal.h
index b32f7cab..b468379a 100644
--- a/include/babeltrace/ctf-ir/trace-internal.h
+++ b/include/babeltrace/ctf-ir/trace-internal.h
@@ -27,12 +27,13 @@
  * SOFTWARE.
  */
 
-#include <babeltrace/ctf-writer/ref-internal.h>
 #include <babeltrace/ctf-ir/trace.h>
-#include <babeltrace/ctf-ir/event-types.h>
-#include <babeltrace/ctf-ir/event-fields.h>
+#include <babeltrace/ctf-ir/field-types.h>
+#include <babeltrace/ctf-ir/fields.h>
+#include <babeltrace/object-internal.h>
 #include <babeltrace/babeltrace-internal.h>
-#include <babeltrace/objects.h>
+#include <babeltrace/values.h>
+#include <babeltrace/types.h>
 #include <glib.h>
 #include <sys/types.h>
 #include <uuid/uuid.h>
@@ -48,25 +49,27 @@ enum field_type_alias {
 };
 
 struct bt_ctf_trace {
-	struct bt_ctf_ref ref_count;
+	struct bt_object base;
+	GString *name;
 	int frozen;
 	uuid_t uuid;
-	int byte_order; /* A value defined in Babeltrace's "endian.h" */
-	struct bt_object *environment;
-	GPtrArray *clocks; /* Array of pointers to bt_ctf_clock */
+	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;
 
-struct environment_variable {
-	GString *name;
-	enum bt_environment_field_type type;
-	union {
-		GString *string;
-		int64_t integer;
-	} value;
+	/*
+	 * This flag indicates if the trace is valid. A valid
+	 * trace is _always_ frozen.
+	 */
+	int valid;
+	GPtrArray *listeners; /* Array of struct listener_wrapper */
+	bt_bool is_static;
 };
 
 struct metadata_context {
@@ -81,4 +84,57 @@ const char *get_byte_order_string(int byte_order);
 BT_HIDDEN
 struct bt_ctf_field_type *get_field_type(enum field_type_alias alias);
 
+BT_HIDDEN
+int bt_ctf_trace_object_modification(struct bt_ctf_object *object,
+		void *trace_ptr);
+
+BT_HIDDEN
+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 */