lib: make trace IR API const-correct
[babeltrace.git] / lib / graph / notification / stream.c
index f82761952171bd40f968662fc5fc138a4d113ae7..9c90311286699bb33e3fa2ebe5bd109213ee187f 100644 (file)
@@ -1,6 +1,4 @@
 /*
- * Babeltrace Plug-in Stream-related Notifications
- *
  * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
  *
  * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
 
 #include <babeltrace/assert-pre-internal.h>
 #include <babeltrace/compiler-internal.h>
-#include <babeltrace/ctf-ir/stream-internal.h>
-#include <babeltrace/ctf-ir/stream-class.h>
+#include <babeltrace/trace-ir/stream-internal.h>
+#include <babeltrace/trace-ir/stream-class.h>
+#include <babeltrace/trace-ir/stream-class-internal.h>
+#include <babeltrace/graph/private-notification-stream.h>
 #include <babeltrace/graph/notification-stream-internal.h>
 #include <babeltrace/assert-internal.h>
+#include <babeltrace/object.h>
 #include <inttypes.h>
 
 static
@@ -41,32 +42,32 @@ void bt_notification_stream_end_destroy(struct bt_object *obj)
        struct bt_notification_stream_end *notification =
                        (struct bt_notification_stream_end *) obj;
 
-       BT_LOGD("Destroying stream end notification: addr=%p",
+       BT_LIB_LOGD("Destroying stream end notification: %!+n",
                notification);
-       BT_LOGD_STR("Putting stream.");
-       BT_PUT(notification->stream);
-       bt_clock_value_set_finalize(&notification->cv_set);
+       BT_LIB_LOGD("Putting stream: %!+s", notification->stream);
+       BT_OBJECT_PUT_REF_AND_RESET(notification->stream);
+
+       if (notification->default_cv) {
+               bt_clock_value_recycle(notification->default_cv);
+               notification->default_cv = NULL;
+       }
+
        g_free(notification);
 }
 
-struct bt_notification *bt_notification_stream_end_create(
-               struct bt_graph *graph, struct bt_stream *stream)
+struct bt_private_notification *bt_private_notification_stream_end_create(
+               struct bt_self_notification_iterator *self_notif_iter,
+               struct bt_stream *stream)
 {
        struct bt_notification_stream_end *notification;
        struct bt_stream_class *stream_class;
-       int ret;
 
+       BT_ASSERT_PRE_NON_NULL(self_notif_iter, "Notification iterator");
        BT_ASSERT_PRE_NON_NULL(stream, "Stream");
        stream_class = bt_stream_borrow_class(stream);
        BT_ASSERT(stream_class);
-       BT_LOGD("Creating stream end notification object: "
-               "stream-addr=%p, stream-name=\"%s\", "
-               "stream-class-addr=%p, stream-class-name=\"%s\", "
-               "stream-class-id=%" PRId64,
-               stream, bt_stream_get_name(stream),
-               stream_class,
-               bt_stream_class_get_name(stream_class),
-               bt_stream_class_get_id(stream_class));
+       BT_LIB_LOGD("Creating stream end notification object: "
+               "%![stream-]+s, %![sc-]+S", stream, stream_class);
        notification = g_new0(struct bt_notification_stream_end, 1);
        if (!notification) {
                BT_LOGE_STR("Failed to allocate one stream end notification.");
@@ -76,68 +77,67 @@ struct bt_notification *bt_notification_stream_end_create(
        bt_notification_init(&notification->parent,
                        BT_NOTIFICATION_TYPE_STREAM_END,
                        bt_notification_stream_end_destroy, NULL);
-       notification->stream = bt_get(stream);
-       ret = bt_clock_value_set_initialize(&notification->cv_set);
-       if (ret) {
-               goto error;
-       }
+       notification->stream = stream;
+       bt_object_get_no_null_check(notification->stream);
+       BT_LIB_LOGD("Created stream end notification object: "
+               "%![notif-]+n, %![stream-]+s, %![sc-]+S", notification,
+               stream, stream_class);
 
-       BT_LOGD("Created stream end notification object: "
-               "stream-addr=%p, stream-name=\"%s\", "
-               "stream-class-addr=%p, stream-class-name=\"%s\", "
-               "stream-class-id=%" PRId64 ", addr=%p",
-               stream, bt_stream_get_name(stream),
-               stream_class,
-               bt_stream_class_get_name(stream_class),
-               bt_stream_class_get_id(stream_class), notification);
-       return &notification->parent;
+       return (void *) &notification->parent;
 error:
        return NULL;
 }
 
-struct bt_stream *bt_notification_stream_end_borrow_stream(
-               struct bt_notification *notification)
+struct bt_stream *bt_private_notification_stream_end_borrow_stream(
+               struct bt_private_notification *notification)
 {
        struct bt_notification_stream_end *stream_end;
 
        BT_ASSERT_PRE_NON_NULL(notification, "Notification");
        BT_ASSERT_PRE_NOTIF_IS_TYPE(notification,
                BT_NOTIFICATION_TYPE_STREAM_END);
-       stream_end = container_of(notification,
-                       struct bt_notification_stream_end, parent);
+       stream_end = (void *) notification;
        return stream_end->stream;
 }
 
-int bt_notification_stream_end_set_clock_value(struct bt_notification *notif,
-               struct bt_clock_class *clock_class, uint64_t raw_value,
-               bt_bool is_default)
+const struct bt_stream *bt_notification_stream_end_borrow_stream(
+               struct bt_notification *notification)
 {
-       struct bt_notification_stream_end *stream_end = (void *) notif;
+       return bt_private_notification_stream_end_borrow_stream(
+               (void *) notification);
+}
+
+void bt_private_notification_stream_end_set_default_clock_value(
+               struct bt_private_notification *priv_notif,
+               uint64_t value_cycles)
+{
+       struct bt_notification *notif = (void *) priv_notif;
+       struct bt_notification_stream_end *se_notif = (void *) notif;
 
        BT_ASSERT_PRE_NON_NULL(notif, "Notification");
-       BT_ASSERT_PRE_NON_NULL(clock_class, "Clock class");
        BT_ASSERT_PRE_HOT(notif, "Notification", ": %!+n", notif);
        BT_ASSERT_PRE_NOTIF_IS_TYPE(notif, BT_NOTIFICATION_TYPE_STREAM_END);
-       BT_ASSERT_PRE(is_default,
-               "You can only set a default clock value as of this version.");
-       return bt_clock_value_set_set_clock_value(&stream_end->cv_set,
-               clock_class, raw_value, is_default);
+       BT_ASSERT_PRE(se_notif->stream->class->default_clock_class,
+               "Notification's stream class has no default clock class: "
+               "%![notif-]+n, %![sc-]+S", notif, se_notif->stream->class);
+
+       /* TODO: have the object already created */
+       se_notif->default_cv = bt_clock_value_create(
+               se_notif->stream->class->default_clock_class);
+       BT_ASSERT(se_notif->default_cv);
+       bt_clock_value_set_value_inline(se_notif->default_cv, value_cycles);
+       BT_LIB_LOGV("Set notification's default clock value: %![notif-]+n, "
+               "value=%" PRIu64, value_cycles);
 }
 
 struct bt_clock_value *bt_notification_stream_end_borrow_default_clock_value(
                struct bt_notification *notif)
 {
        struct bt_notification_stream_end *stream_end = (void *) notif;
-       struct bt_clock_value *clock_value = NULL;
 
        BT_ASSERT_PRE_NON_NULL(notif, "Notification");
        BT_ASSERT_PRE_NOTIF_IS_TYPE(notif, BT_NOTIFICATION_TYPE_STREAM_END);
-       clock_value = stream_end->cv_set.default_cv;
-       if (!clock_value) {
-               BT_LIB_LOGV("No default clock value: %![notif-]+n", notif);
-       }
-
-       return clock_value;
+       return stream_end->default_cv;
 }
 
 static
@@ -146,32 +146,32 @@ void bt_notification_stream_begin_destroy(struct bt_object *obj)
        struct bt_notification_stream_begin *notification =
                        (struct bt_notification_stream_begin *) obj;
 
-       BT_LOGD("Destroying stream beginning notification: addr=%p",
+       BT_LIB_LOGD("Destroying stream beginning notification: %!+n",
                notification);
-       BT_LOGD_STR("Putting stream.");
-       BT_PUT(notification->stream);
-       bt_clock_value_set_finalize(&notification->cv_set);
+       BT_LIB_LOGD("Putting stream: %!+s", notification->stream);
+       BT_OBJECT_PUT_REF_AND_RESET(notification->stream);
+
+       if (notification->default_cv) {
+               bt_clock_value_recycle(notification->default_cv);
+               notification->default_cv = NULL;
+       }
+
        g_free(notification);
 }
 
-struct bt_notification *bt_notification_stream_begin_create(
-               struct bt_graph *graph, struct bt_stream *stream)
+struct bt_private_notification *bt_private_notification_stream_begin_create(
+               struct bt_self_notification_iterator *self_notif_iter,
+               struct bt_stream *stream)
 {
-       int ret;
        struct bt_notification_stream_begin *notification;
        struct bt_stream_class *stream_class;
 
+       BT_ASSERT_PRE_NON_NULL(self_notif_iter, "Notification iterator");
        BT_ASSERT_PRE_NON_NULL(stream, "Stream");
        stream_class = bt_stream_borrow_class(stream);
        BT_ASSERT(stream_class);
-       BT_LOGD("Creating stream beginning notification object: "
-               "stream-addr=%p, stream-name=\"%s\", "
-               "stream-class-addr=%p, stream-class-name=\"%s\", "
-               "stream-class-id=%" PRId64,
-               stream, bt_stream_get_name(stream),
-               stream_class,
-               bt_stream_class_get_name(stream_class),
-               bt_stream_class_get_id(stream_class));
+       BT_LIB_LOGD("Creating stream beginning notification object: "
+               "%![stream-]+s, %![sc-]+S", stream, stream_class);
        notification = g_new0(struct bt_notification_stream_begin, 1);
        if (!notification) {
                BT_LOGE_STR("Failed to allocate one stream beginning notification.");
@@ -181,66 +181,64 @@ struct bt_notification *bt_notification_stream_begin_create(
        bt_notification_init(&notification->parent,
                        BT_NOTIFICATION_TYPE_STREAM_BEGIN,
                        bt_notification_stream_begin_destroy, NULL);
-       notification->stream = bt_get(stream);
-       ret = bt_clock_value_set_initialize(&notification->cv_set);
-       if (ret) {
-               goto error;
-       }
-
-       BT_LOGD("Created stream beginning notification object: "
-               "stream-addr=%p, stream-name=\"%s\", "
-               "stream-class-addr=%p, stream-class-name=\"%s\", "
-               "stream-class-id=%" PRId64 ", addr=%p",
-               stream, bt_stream_get_name(stream),
-               stream_class,
-               bt_stream_class_get_name(stream_class),
-               bt_stream_class_get_id(stream_class), notification);
-       return &notification->parent;
+       notification->stream = stream;
+       bt_object_get_no_null_check(notification->stream);
+       BT_LIB_LOGD("Created stream beginning notification object: "
+               "%![notif-]+n, %![stream-]+s, %![sc-]+S", notification,
+               stream, stream_class);
+       return (void *) &notification->parent;
 error:
        return NULL;
 }
 
-struct bt_stream *bt_notification_stream_begin_borrow_stream(
-               struct bt_notification *notification)
+struct bt_stream *bt_private_notification_stream_begin_borrow_stream(
+               struct bt_private_notification *notification)
 {
        struct bt_notification_stream_begin *stream_begin;
 
        BT_ASSERT_PRE_NON_NULL(notification, "Notification");
        BT_ASSERT_PRE_NOTIF_IS_TYPE(notification,
                BT_NOTIFICATION_TYPE_STREAM_BEGIN);
-       stream_begin = container_of(notification,
-                       struct bt_notification_stream_begin, parent);
+       stream_begin = (void *) notification;
        return stream_begin->stream;
 }
 
-int bt_notification_stream_begin_set_clock_value(struct bt_notification *notif,
-               struct bt_clock_class *clock_class, uint64_t raw_value,
-               bt_bool is_default)
+const struct bt_stream *bt_notification_stream_begin_borrow_stream(
+               struct bt_notification *notification)
 {
-       struct bt_notification_stream_begin *stream_begin = (void *) notif;
+       return bt_private_notification_stream_begin_borrow_stream(
+               (void *) notification);
+}
+
+void bt_private_notification_stream_begin_set_default_clock_value(
+               struct bt_private_notification *priv_notif,
+               uint64_t value_cycles)
+{
+       struct bt_notification *notif = (void *) priv_notif;
+       struct bt_notification_stream_begin *sb_notif = (void *) notif;
 
        BT_ASSERT_PRE_NON_NULL(notif, "Notification");
-       BT_ASSERT_PRE_NON_NULL(clock_class, "Clock class");
        BT_ASSERT_PRE_HOT(notif, "Notification", ": %!+n", notif);
        BT_ASSERT_PRE_NOTIF_IS_TYPE(notif, BT_NOTIFICATION_TYPE_STREAM_BEGIN);
-       BT_ASSERT_PRE(is_default,
-               "You can only set a default clock value as of this version.");
-       return bt_clock_value_set_set_clock_value(&stream_begin->cv_set,
-               clock_class, raw_value, is_default);
+       BT_ASSERT_PRE(sb_notif->stream->class->default_clock_class,
+               "Notification's stream class has no default clock class: "
+               "%![notif-]+n, %![sc-]+S", notif, sb_notif->stream->class);
+
+       /* TODO: have the object already created */
+       sb_notif->default_cv = bt_clock_value_create(
+               sb_notif->stream->class->default_clock_class);
+       BT_ASSERT(sb_notif->default_cv);
+       bt_clock_value_set_value_inline(sb_notif->default_cv, value_cycles);
+       BT_LIB_LOGV("Set notification's default clock value: %![notif-]+n, "
+               "value=%" PRIu64, value_cycles);
 }
 
 struct bt_clock_value *bt_notification_stream_begin_borrow_default_clock_value(
                struct bt_notification *notif)
 {
        struct bt_notification_stream_begin *stream_begin = (void *) notif;
-       struct bt_clock_value *clock_value = NULL;
 
        BT_ASSERT_PRE_NON_NULL(notif, "Notification");
        BT_ASSERT_PRE_NOTIF_IS_TYPE(notif, BT_NOTIFICATION_TYPE_STREAM_BEGIN);
-       clock_value = stream_begin->cv_set.default_cv;
-       if (!clock_value) {
-               BT_LIB_LOGV("No default clock value: %![notif-]+n", notif);
-       }
-
-       return clock_value;
+       return stream_begin->default_cv;
 }
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