lib: add user attributes property to metadata, stream, and trace objects

[babeltrace.git] / src / lib / trace-ir / clock-class.c

diff --git a/src/lib/trace-ir/clock-class.c b/src/lib/trace-ir/clock-class.c
index 34e3a87b26d4d480bafc7963db8b03b6e821388c..e982ad7f0fafc74e48ba733db4635508f15c1d4e 100644 (file)
--- a/src/lib/trace-ir/clock-class.c
+++ b/src/lib/trace-ir/clock-class.c
@@ -38,6 +38,7 @@
 #include "lib/object.h"
 #include "common/assert.h"
 #include "lib/func-status.h"
+#include "lib/value.h"
 
 #define BT_ASSERT_PRE_DEV_CLOCK_CLASS_HOT(_cc) \
        BT_ASSERT_PRE_DEV_HOT((_cc), "Clock class", ": %!+K", (_cc))
@@ -48,6 +49,7 @@ void destroy_clock_class(struct bt_object *obj)
        struct bt_clock_class *clock_class = (void *) obj;
 
        BT_LIB_LOGD("Destroying clock class: %!+K", clock_class);
+       BT_OBJECT_PUT_REF_AND_RESET(clock_class->user_attributes);
 
        if (clock_class->name.str) {
                g_string_free(clock_class->name.str, TRUE);
@@ -95,6 +97,14 @@ struct bt_clock_class *bt_clock_class_create(bt_self_component *self_comp)
        }
 
        bt_object_init_shared(&clock_class->base, destroy_clock_class);
+
+       clock_class->user_attributes = bt_value_map_create();
+       if (!clock_class->user_attributes) {
+               BT_LIB_LOGE_APPEND_CAUSE(
+                       "Failed to create a map value object.");
+               goto error;
+       }
+
        clock_class->name.str = g_string_new(NULL);
        if (!clock_class->name.str) {
                BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate a GString.");
@@ -276,6 +286,9 @@ void _bt_clock_class_freeze(const struct bt_clock_class *clock_class)
                return;
        }
 
+       BT_LIB_LOGD("Freezing clock class's user attributes: %!+v",
+               clock_class->user_attributes);
+       bt_value_freeze(clock_class->user_attributes);
        BT_LIB_LOGD("Freezing clock class: %!+K", clock_class);
        ((struct bt_clock_class *) clock_class)->frozen = 1;
 }
@@ -302,6 +315,34 @@ bt_clock_class_cycles_to_ns_from_origin(
        return ret;
 }
 
+const struct bt_value *bt_clock_class_borrow_user_attributes_const(
+               const struct bt_clock_class *clock_class)
+{
+       BT_ASSERT_PRE_DEV_NON_NULL(clock_class, "Clock class");
+       return clock_class->user_attributes;
+}
+
+struct bt_value *bt_clock_class_borrow_user_attributes(
+               struct bt_clock_class *clock_class)
+{
+       return (void *) bt_clock_class_borrow_user_attributes_const(
+               (void *) clock_class);
+}
+
+void bt_clock_class_set_user_attributes(
+               struct bt_clock_class *clock_class,
+               const struct bt_value *user_attributes)
+{
+       BT_ASSERT_PRE_NON_NULL(clock_class, "Clock class");
+       BT_ASSERT_PRE_NON_NULL(user_attributes, "User attributes");
+       BT_ASSERT_PRE(user_attributes->type == BT_VALUE_TYPE_MAP,
+               "User attributes object is not a map value object.");
+       BT_ASSERT_PRE_DEV_CLOCK_CLASS_HOT(clock_class);
+       bt_object_put_no_null_check(clock_class->user_attributes);
+       clock_class->user_attributes = (void *) user_attributes;
+       bt_object_get_no_null_check(clock_class->user_attributes);
+}
+
 void bt_clock_class_get_ref(const struct bt_clock_class *clock_class)
 {
        bt_object_get_ref(clock_class);