Make API CTF-agnostic

[babeltrace.git] / include / babeltrace / ctf-ir / trace-internal.h

diff --git a/include/babeltrace/ctf-ir/trace-internal.h b/include/babeltrace/ctf-ir/trace-internal.h
index 8de7885281a5b91edca154005567795d0cddfc47..30b0ba4f697a62d2c0f6aef05e264f10cb13fe80 100644 (file)
--- a/include/babeltrace/ctf-ir/trace-internal.h
+++ b/include/babeltrace/ctf-ir/trace-internal.h
@@ -32,7 +32,6 @@
 #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>
@@ -46,101 +45,62 @@
 
 struct bt_trace {
        struct bt_object base;
-       GString *name;
-       int frozen;
-       unsigned char uuid[BABELTRACE_UUID_LEN];
-       bt_bool uuid_set;
-       enum bt_byte_order native_byte_order;
+
+       struct {
+               GString *str;
+
+               /* NULL or `str->str` above */
+               const char *value;
+       } name;
+
+       struct {
+               uint8_t uuid[BABELTRACE_UUID_LEN];
+
+               /* NULL or `uuid` above */
+               bt_uuid value;
+       } uuid;
+
        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;
+
+       /* Array of `struct bt_stream_class *` */
+       GPtrArray *stream_classes;
+
+       /* Array of `struct bt_stream *` */
+       GPtrArray *streams;
 
        /*
-        * This flag indicates if the trace is valid. A valid
-        * trace is _always_ frozen.
+        * Stream class (weak) to number of instantiated streams, used
+        * to automatically assign stream IDs per stream class.
         */
-       int valid;
+       GHashTable *stream_classes_stream_count;
+
+       struct bt_field_type *packet_header_ft;
+       bool assigns_automatic_stream_class_id;
 
-       GPtrArray *listeners; /* Array of struct listener_wrapper */
        GArray *is_static_listeners;
-       bt_bool is_static;
-       bt_bool in_remove_listener;
+       bool is_static;
+       bool in_remove_listener;
 
        /* Pool of `struct bt_field_wrapper *` */
        struct bt_object_pool packet_header_field_pool;
-};
 
-BT_HIDDEN
-int bt_trace_object_modification(struct bt_visitor_object *object,
-               void *trace_ptr);
+       bool frozen;
+};
 
 BT_HIDDEN
-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().
+void _bt_trace_freeze(struct bt_trace *trace);
 
-@param[in] obj New CTF IR object which is part of the trace
-               class hierarchy.
-@param[in] data        User data.
+#ifdef BT_DEV_MODE
+# define bt_trace_freeze               _bt_trace_freeze
+#else
+# define bt_trace_freeze(_trace)
+#endif
 
-@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.
+BT_HIDDEN
+void bt_trace_add_stream(struct bt_trace *trace, struct bt_stream *stream);
 
-@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;
-}
+uint64_t bt_trace_get_automatic_stream_id(struct bt_trace *trace,
+               struct bt_stream_class *stream_class);
 
 #endif /* BABELTRACE_CTF_IR_TRACE_INTERNAL_H */