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Trace IR and notification APIs: split into private and public APIs
[babeltrace.git] / lib / graph / notification / stream.c
diff --git a/lib/graph/notification/stream.c b/lib/graph/notification/stream.c
index 84ee483a900361dd00cd1f552b091308ce8e1855..523e8142d880028734fe1f463b2d76320a12dbc9 100644 (file)
--- a/lib/graph/notification/stream.c
+++ b/lib/graph/notification/stream.c
@@ -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>
@@ -27,12 +25,16 @@
 #define BT_LOG_TAG "NOTIF-STREAM"
 #include <babeltrace/lib-logging-internal.h>
 
+#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/graph/private-connection-private-notification-iterator.h>
 #include <babeltrace/assert-internal.h>
-#include <babeltrace/assert-pre-internal.h>
+#include <babeltrace/object.h>
 #include <inttypes.h>
 
 static
@@ -44,13 +46,20 @@ void bt_notification_stream_end_destroy(struct bt_object *obj)
        BT_LOGD("Destroying stream end notification: addr=%p",
                notification);
        BT_LOGD_STR("Putting stream.");
-       BT_PUT(notification->stream);
+       BT_OBJECT_PUT_REF_AND_RESET(notification->stream);
+
+       if (notification->default_cv) {
+               bt_clock_value_recycle(notification->default_cv);
+       }
+
        g_free(notification);
 }
 
-struct bt_notification *bt_notification_stream_end_create(
-               struct bt_stream *stream)
+struct bt_private_notification *bt_private_notification_stream_end_create(
+               struct bt_private_connection_private_notification_iterator *notif_iter,
+               struct bt_private_stream *priv_stream)
 {
+       struct bt_stream *stream = (void *) priv_stream;
        struct bt_notification_stream_end *notification;
        struct bt_stream_class *stream_class;
 
@@ -73,8 +82,8 @@ struct bt_notification *bt_notification_stream_end_create(
 
        bt_notification_init(&notification->parent,
                        BT_NOTIFICATION_TYPE_STREAM_END,
-                       bt_notification_stream_end_destroy);
-       notification->stream = bt_get(stream);
+                       bt_notification_stream_end_destroy, NULL);
+       notification->stream = bt_object_get_ref(stream);
        BT_LOGD("Created stream end notification object: "
                "stream-addr=%p, stream-name=\"%s\", "
                "stream-class-addr=%p, stream-class-name=\"%s\", "
@@ -83,12 +92,13 @@ struct bt_notification *bt_notification_stream_end_create(
                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_get_stream(
+struct bt_stream *bt_notification_stream_end_borrow_stream(
                struct bt_notification *notification)
 {
        struct bt_notification_stream_end *stream_end;
@@ -98,7 +108,56 @@ struct bt_stream *bt_notification_stream_end_get_stream(
                BT_NOTIFICATION_TYPE_STREAM_END);
        stream_end = container_of(notification,
                        struct bt_notification_stream_end, parent);
-       return bt_get(stream_end->stream);
+       return stream_end->stream;
+}
+
+struct bt_private_stream *bt_private_notification_stream_end_borrow_stream(
+               struct bt_private_notification *notification)
+{
+       return (void *) bt_notification_stream_end_borrow_stream(
+               (void *) notification);
+}
+
+int bt_private_notification_stream_end_set_default_clock_value(
+               struct bt_private_notification *priv_notif,
+               uint64_t value_cycles)
+{
+       int ret = 0;
+       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_HOT(notif, "Notification", ": %!+n", notif);
+       BT_ASSERT_PRE_NOTIF_IS_TYPE(notif, BT_NOTIFICATION_TYPE_STREAM_END);
+       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);
+
+       if (!se_notif->default_cv) {
+               se_notif->default_cv = bt_clock_value_create(
+                       se_notif->stream->class->default_clock_class);
+               if (!se_notif->default_cv) {
+                       ret = -1;
+                       goto end;
+               }
+       }
+
+       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);
+
+end:
+       return ret;
+}
+
+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;
+
+       BT_ASSERT_PRE_NON_NULL(notif, "Notification");
+       BT_ASSERT_PRE_NOTIF_IS_TYPE(notif, BT_NOTIFICATION_TYPE_STREAM_END);
+       return stream_end->default_cv;
 }
 
 static
@@ -110,13 +169,20 @@ void bt_notification_stream_begin_destroy(struct bt_object *obj)
        BT_LOGD("Destroying stream beginning notification: addr=%p",
                notification);
        BT_LOGD_STR("Putting stream.");
-       BT_PUT(notification->stream);
+       BT_OBJECT_PUT_REF_AND_RESET(notification->stream);
+
+       if (notification->default_cv) {
+               bt_clock_value_recycle(notification->default_cv);
+       }
+
        g_free(notification);
 }
 
-struct bt_notification *bt_notification_stream_begin_create(
-               struct bt_stream *stream)
+struct bt_private_notification *bt_private_notification_stream_begin_create(
+               struct bt_private_connection_private_notification_iterator *notif_iter,
+               struct bt_private_stream *priv_stream)
 {
+       struct bt_stream *stream = (void *) priv_stream;
        struct bt_notification_stream_begin *notification;
        struct bt_stream_class *stream_class;
 
@@ -139,8 +205,8 @@ struct bt_notification *bt_notification_stream_begin_create(
 
        bt_notification_init(&notification->parent,
                        BT_NOTIFICATION_TYPE_STREAM_BEGIN,
-                       bt_notification_stream_begin_destroy);
-       notification->stream = bt_get(stream);
+                       bt_notification_stream_begin_destroy, NULL);
+       notification->stream = bt_object_get_ref(stream);
        BT_LOGD("Created stream beginning notification object: "
                "stream-addr=%p, stream-name=\"%s\", "
                "stream-class-addr=%p, stream-class-name=\"%s\", "
@@ -149,12 +215,12 @@ struct bt_notification *bt_notification_stream_begin_create(
                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_begin_get_stream(
+struct bt_stream *bt_notification_stream_begin_borrow_stream(
                struct bt_notification *notification)
 {
        struct bt_notification_stream_begin *stream_begin;
@@ -164,5 +230,54 @@ struct bt_stream *bt_notification_stream_begin_get_stream(
                BT_NOTIFICATION_TYPE_STREAM_BEGIN);
        stream_begin = container_of(notification,
                        struct bt_notification_stream_begin, parent);
-       return bt_get(stream_begin->stream);
+       return stream_begin->stream;
+}
+
+struct bt_private_stream *bt_private_notification_stream_begin_borrow_stream(
+               struct bt_private_notification *notification)
+{
+       return (void *) bt_notification_stream_begin_borrow_stream(
+               (void *) notification);
+}
+
+int bt_private_notification_stream_begin_set_default_clock_value(
+               struct bt_private_notification *priv_notif,
+               uint64_t value_cycles)
+{
+       int ret = 0;
+       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_HOT(notif, "Notification", ": %!+n", notif);
+       BT_ASSERT_PRE_NOTIF_IS_TYPE(notif, BT_NOTIFICATION_TYPE_STREAM_BEGIN);
+       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);
+
+       if (!sb_notif->default_cv) {
+               sb_notif->default_cv = bt_clock_value_create(
+                       sb_notif->stream->class->default_clock_class);
+               if (!sb_notif->default_cv) {
+                       ret = -1;
+                       goto end;
+               }
+       }
+
+       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);
+
+end:
+       return ret;
+}
+
+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;
+
+       BT_ASSERT_PRE_NON_NULL(notif, "Notification");
+       BT_ASSERT_PRE_NOTIF_IS_TYPE(notif, BT_NOTIFICATION_TYPE_STREAM_BEGIN);
+       return stream_begin->default_cv;
 }
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