X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=include%2Fbabeltrace%2Fctf-ir%2Ftrace-internal.h;h=8de7885281a5b91edca154005567795d0cddfc47;hb=cb6f1f7dfb7938a4738a7f3ca3886334fbceb1a3;hp=4a76c1a187819342ea04268a6db8b69a37dc0c61;hpb=de3dd40e6fcad56e227f5fc8a8290fbaa88b4e07;p=babeltrace.git

diff --git a/include/babeltrace/ctf-ir/trace-internal.h b/include/babeltrace/ctf-ir/trace-internal.h
index 4a76c1a1..8de78852 100644
--- a/include/babeltrace/ctf-ir/trace-internal.h
+++ b/include/babeltrace/ctf-ir/trace-internal.h
@@ -27,49 +27,120 @@
  * SOFTWARE.
  */
 
+#include <babeltrace/assert-pre-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/common-internal.h>
+#include <babeltrace/ctf-ir/stream-class-internal.h>
+#include <babeltrace/ctf-ir/field-types.h>
+#include <babeltrace/ctf-ir/fields.h>
+#include <babeltrace/ctf-ir/validation-internal.h>
+#include <babeltrace/ctf-ir/attributes-internal.h>
+#include <babeltrace/ctf-ir/clock-class-internal.h>
+#include <babeltrace/object-internal.h>
+#include <babeltrace/object-pool-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>
-
-enum field_type_alias {
-	FIELD_TYPE_ALIAS_UINT5_T = 0,
-	FIELD_TYPE_ALIAS_UINT8_T,
-	FIELD_TYPE_ALIAS_UINT16_T,
-	FIELD_TYPE_ALIAS_UINT27_T,
-	FIELD_TYPE_ALIAS_UINT32_T,
-	FIELD_TYPE_ALIAS_UINT64_T,
-	NR_FIELD_TYPE_ALIAS,
-};
+#include <babeltrace/compat/uuid-internal.h>
 
-struct bt_ctf_trace {
-	struct bt_ctf_base base;
+struct bt_trace {
+	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 */
-	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;
-};
+	unsigned char uuid[BABELTRACE_UUID_LEN];
+	bt_bool uuid_set;
+	enum bt_byte_order native_byte_order;
+	struct bt_value *environment;
+	GPtrArray *clock_classes; /* Array of pointers to bt_clock_class */
+	GPtrArray *stream_classes; /* Array of ptrs to bt_stream_class */
+	GPtrArray *streams; /* Array of ptrs to bt_stream */
+	struct bt_field_type *packet_header_field_type;
+	int64_t next_stream_id;
+
+	/*
+	 * This flag indicates if the trace is valid. A valid
+	 * trace is _always_ frozen.
+	 */
+	int valid;
 
-struct metadata_context {
-	GString *string;
-	GString *field_name;
-	unsigned int current_indentation_level;
+	GPtrArray *listeners; /* Array of struct listener_wrapper */
+	GArray *is_static_listeners;
+	bt_bool is_static;
+	bt_bool in_remove_listener;
+
+	/* Pool of `struct bt_field_wrapper *` */
+	struct bt_object_pool packet_header_field_pool;
 };
 
 BT_HIDDEN
-const char *get_byte_order_string(int byte_order);
+int bt_trace_object_modification(struct bt_visitor_object *object,
+		void *trace_ptr);
 
 BT_HIDDEN
-struct bt_ctf_field_type *get_field_type(enum field_type_alias alias);
+bt_bool bt_trace_has_clock_class(struct bt_trace *trace,
+		struct bt_clock_class *clock_class);
+
+/**
+@brief	User function type to use with bt_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_listener_cb)(struct bt_visitor_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_trace_add_listener(struct bt_trace *trace_class,
+		bt_listener_cb listener, void *data);
+
+static inline
+void bt_trace_freeze(struct bt_trace *trace)
+{
+	int i;
+
+	if (trace->frozen) {
+		return;
+	}
+
+	BT_LOGD("Freezing trace: addr=%p, name=\"%s\"",
+		trace, bt_trace_get_name(trace));
+	BT_LOGD_STR("Freezing packet header field type.");
+	bt_field_type_freeze(trace->packet_header_field_type);
+	BT_LOGD_STR("Freezing environment attributes.");
+	bt_attributes_freeze(trace->environment);
+
+	if (trace->clock_classes->len > 0) {
+		BT_LOGD_STR("Freezing clock classes.");
+	}
+
+	for (i = 0; i < trace->clock_classes->len; i++) {
+		struct bt_clock_class *clock_class =
+			g_ptr_array_index(trace->clock_classes, i);
+
+		bt_clock_class_freeze(clock_class);
+	}
+
+	trace->frozen = 1;
+}
 
 #endif /* BABELTRACE_CTF_IR_TRACE_INTERNAL_H */