lib: make packets and packet messages optional, disabled by default

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

diff --git a/src/lib/trace-ir/stream-class.c b/src/lib/trace-ir/stream-class.c
index fe0d8259125d438351751237301c6ebe7546ae48..edeccbecc730391c62857f6c371839da5c9bccbb 100644 (file)
--- a/src/lib/trace-ir/stream-class.c
+++ b/src/lib/trace-ir/stream-class.c
@@ -310,6 +310,9 @@ bt_stream_class_set_packet_context_field_class(
        };
 
        BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
+       BT_ASSERT_PRE(stream_class->supports_packets,
+               "Stream class does not support packets: %![sc-]+S",
+               stream_class);
        BT_ASSERT_PRE_NON_NULL(field_class, "Field class");
        BT_ASSERT_PRE_STREAM_CLASS_HOT(stream_class);
        BT_ASSERT_PRE(bt_field_class_get_type(field_class) ==
@@ -457,46 +460,6 @@ void bt_stream_class_set_assigns_automatic_event_class_id(
                "assignment property: %!+S", stream_class);
 }
 
-bt_bool bt_stream_class_packets_have_beginning_default_clock_snapshot(
-               const struct bt_stream_class *stream_class)
-{
-       BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
-       return (bt_bool) stream_class->packets_have_beginning_default_clock_snapshot;
-}
-
-void bt_stream_class_set_packets_have_beginning_default_clock_snapshot(
-               struct bt_stream_class *stream_class, bt_bool value)
-{
-       BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
-       BT_ASSERT_PRE_STREAM_CLASS_HOT(stream_class);
-       BT_ASSERT_PRE(!value || stream_class->default_clock_class,
-               "Stream class has no default clock class: %!+S", stream_class);
-       stream_class->packets_have_beginning_default_clock_snapshot =
-               (bool) value;
-       BT_LIB_LOGD("Set stream class's \"packets have default beginning "
-               "clock snapshot\" property: %!+S", stream_class);
-}
-
-bt_bool bt_stream_class_packets_have_end_default_clock_snapshot(
-               const struct bt_stream_class *stream_class)
-{
-       BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
-       return (bt_bool) stream_class->packets_have_end_default_clock_snapshot;
-}
-
-void bt_stream_class_set_packets_have_end_default_clock_snapshot(
-               struct bt_stream_class *stream_class, bt_bool value)
-{
-       BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
-       BT_ASSERT_PRE_STREAM_CLASS_HOT(stream_class);
-       BT_ASSERT_PRE(!value || stream_class->default_clock_class,
-               "Stream class has no default clock class: %!+S", stream_class);
-       stream_class->packets_have_end_default_clock_snapshot =
-               (bool) value;
-       BT_LIB_LOGD("Set stream class's \"packets have default end "
-               "clock snapshot\" property: %!+S", stream_class);
-}
-
 bt_bool bt_stream_class_assigns_automatic_stream_id(
                const struct bt_stream_class *stream_class)
 {
@@ -547,6 +510,10 @@ void bt_stream_class_set_supports_discarded_packets(
 {
        BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
        BT_ASSERT_PRE_STREAM_CLASS_HOT(stream_class);
+       BT_ASSERT_PRE(!supports_discarded_packets ||
+               stream_class->supports_packets,
+               "Stream class does not support packets: %!+S",
+               stream_class);
        BT_ASSERT_PRE(supports_discarded_packets ||
                !with_default_clock_snapshots,
                "Discarded packets cannot have default clock snapshots when "
@@ -576,6 +543,61 @@ bt_bool bt_stream_class_discarded_packets_have_default_clock_snapshots(
        return (bt_bool) stream_class->discarded_packets_have_default_clock_snapshots;
 }
 
+void bt_stream_class_set_supports_packets(
+               struct bt_stream_class *stream_class,
+               bt_bool supports_packets,
+               bt_bool with_beginning_default_clock_snapshot,
+               bt_bool with_end_default_clock_snapshot)
+{
+       bt_bool with_default_clock_snapshot =
+               with_beginning_default_clock_snapshot ||
+               with_end_default_clock_snapshot;
+       BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
+       BT_ASSERT_PRE_STREAM_CLASS_HOT(stream_class);
+       BT_ASSERT_PRE(supports_packets ||
+               !with_default_clock_snapshot,
+               "Packets cannot have default clock snapshots when "
+               "not supported: %!+S", stream_class);
+       BT_ASSERT_PRE(!with_default_clock_snapshot ||
+               stream_class->default_clock_class,
+               "Stream class has no default clock class: %!+S", stream_class);
+       BT_ASSERT_PRE(supports_packets || !stream_class->packet_context_fc,
+               "Stream class already has a packet context field class: %!+S",
+               stream_class);
+       BT_ASSERT_PRE(supports_packets ||
+               !stream_class->supports_discarded_packets,
+               "Stream class already supports discarded packets: %!+S",
+               stream_class);
+       stream_class->supports_packets = (bool) supports_packets;
+       stream_class->packets_have_beginning_default_clock_snapshot =
+               (bool) with_beginning_default_clock_snapshot;
+       stream_class->packets_have_end_default_clock_snapshot =
+               (bool) with_end_default_clock_snapshot;
+       BT_LIB_LOGD("Set stream class's packets support property: %!+S",
+               stream_class);
+}
+
+bt_bool bt_stream_class_supports_packets(
+               const struct bt_stream_class *stream_class)
+{
+       BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
+       return (bt_bool) stream_class->supports_packets;
+}
+
+bt_bool bt_stream_class_packets_have_beginning_default_clock_snapshot(
+               const struct bt_stream_class *stream_class)
+{
+       BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
+       return (bt_bool) stream_class->packets_have_beginning_default_clock_snapshot;
+}
+
+bt_bool bt_stream_class_packets_have_end_default_clock_snapshot(
+               const struct bt_stream_class *stream_class)
+{
+       BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
+       return (bt_bool) stream_class->packets_have_end_default_clock_snapshot;
+}
+
 void bt_stream_class_set_assigns_automatic_stream_id(
                struct bt_stream_class *stream_class,
                bt_bool value)