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

[babeltrace.git] / src / lib / graph / message / event.c

diff --git a/src/lib/graph/message/event.c b/src/lib/graph/message/event.c
index 00b428c203f9f52e268a4d60657e74d73d77675d..5f3c90d4912a83bb6a9d67e8e0f6d77e211afcd0 100644 (file)
--- a/src/lib/graph/message/event.c
+++ b/src/lib/graph/message/event.c
@@ -21,11 +21,12 @@
  * SOFTWARE.
  */
 
-#define BT_LOG_TAG "MSG-EVENT"
-#include "lib/lib-logging.h"
+#define BT_LOG_TAG "LIB/MSG-EVENT"
+#include "lib/logging.h"
 
 #include "common/assert.h"
 #include "lib/assert-pre.h"
+#include "lib/assert-post.h"
 #include "compat/compiler.h"
 #include "lib/object.h"
 #include <babeltrace2/trace-ir/event.h>
@@ -61,7 +62,8 @@ struct bt_message *bt_message_event_new(
 
        message = g_new0(struct bt_message_event, 1);
        if (!message) {
-               BT_LOGE_STR("Failed to allocate one event message.");
+               BT_LIB_LOGE_APPEND_CAUSE(
+                       "Failed to allocate one event message.");
                goto error;
        }
 
@@ -80,7 +82,8 @@ static inline
 struct bt_message *create_event_message(
                struct bt_self_message_iterator *self_msg_iter,
                const struct bt_event_class *c_event_class,
-               const struct bt_packet *c_packet, bool with_cs,
+               const struct bt_packet *c_packet,
+               const struct bt_stream *c_stream, bool with_cs,
                uint64_t raw_value)
 {
        struct bt_self_component_port_input_message_iterator *msg_iter =
@@ -89,11 +92,12 @@ struct bt_message *create_event_message(
        struct bt_event_class *event_class = (void *) c_event_class;
        struct bt_stream_class *stream_class;
        struct bt_packet *packet = (void *) c_packet;
+       struct bt_stream *stream = (void *) c_stream;
        struct bt_event *event;
 
+       BT_ASSERT(stream);
        BT_ASSERT_PRE_NON_NULL(msg_iter, "Message iterator");
        BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
-       BT_ASSERT_PRE_NON_NULL(packet, "Packet");
        BT_ASSERT_PRE(event_class_has_trace(event_class),
                "Event class is not part of a trace: %!+E", event_class);
        stream_class = bt_event_class_borrow_stream_class_inline(event_class);
@@ -107,9 +111,10 @@ struct bt_message *create_event_message(
                "cs-val=%" PRIu64,
                event_class, stream_class, with_cs, raw_value);
        BT_LIB_LOGD("Creating event message object: %![ec-]+E", event_class);
-       event = bt_event_create(event_class, packet);
-       if (unlikely(!event)) {
-               BT_LIB_LOGE("Cannot create event from event class: "
+       event = bt_event_create(event_class, packet, stream);
+       if (G_UNLIKELY(!event)) {
+               BT_LIB_LOGE_APPEND_CAUSE(
+                       "Cannot create event from event class: "
                        "%![ec-]+E", event_class);
                goto error;
        }
@@ -131,7 +136,7 @@ struct bt_message *create_event_message(
         */
        message = (void *) bt_message_create_from_pool(
                &msg_iter->graph->event_msg_pool, msg_iter->graph);
-       if (unlikely(!message)) {
+       if (G_UNLIKELY(!message)) {
                /* bt_message_create_from_pool() logs errors */
                goto error;
        }
@@ -149,7 +154,12 @@ struct bt_message *create_event_message(
 
        BT_ASSERT(!message->event);
        message->event = event;
-       bt_packet_set_is_frozen(packet, true);
+
+       if (packet) {
+               bt_packet_set_is_frozen(packet, true);
+       }
+
+       bt_stream_freeze(stream);
        bt_event_class_freeze(event_class);
        BT_LIB_LOGD("Created event message object: "
                "%![msg-]+n, %![event-]+e", message, event);
@@ -164,21 +174,45 @@ end:
 }
 
 struct bt_message *bt_message_event_create(
+               struct bt_self_message_iterator *msg_iter,
+               const struct bt_event_class *event_class,
+               const struct bt_stream *stream)
+{
+       BT_ASSERT_PRE_NON_NULL(stream, "Stream");
+       return create_event_message(msg_iter, event_class, NULL, stream, false, 0);
+}
+
+struct bt_message *bt_message_event_create_with_packet(
                struct bt_self_message_iterator *msg_iter,
                const struct bt_event_class *event_class,
                const struct bt_packet *packet)
 {
-       return create_event_message(msg_iter, event_class, packet, false, 0);
+       BT_ASSERT_PRE_NON_NULL(packet, "Packet");
+       return create_event_message(msg_iter, event_class, packet,
+               packet->stream, false, 0);
 }
 
 struct bt_message *bt_message_event_create_with_default_clock_snapshot(
+               struct bt_self_message_iterator *msg_iter,
+               const struct bt_event_class *event_class,
+               const struct bt_stream *stream,
+               uint64_t raw_value)
+{
+       BT_ASSERT_PRE_NON_NULL(stream, "Stream");
+       return create_event_message(msg_iter, event_class, NULL, stream,
+               true, raw_value);
+}
+
+struct bt_message *
+bt_message_event_create_with_packet_and_default_clock_snapshot(
                struct bt_self_message_iterator *msg_iter,
                const struct bt_event_class *event_class,
                const struct bt_packet *packet,
                uint64_t raw_value)
 {
+       BT_ASSERT_PRE_NON_NULL(packet, "Packet");
        return create_event_message(msg_iter, event_class, packet,
-               true, raw_value);
+               packet->stream, true, raw_value);
 }
 
 BT_HIDDEN
@@ -210,7 +244,7 @@ void bt_message_event_recycle(struct bt_message *msg)
 
        BT_ASSERT(event_msg);
 
-       if (unlikely(!msg->graph)) {
+       if (G_UNLIKELY(!msg->graph)) {
                bt_message_event_destroy(msg);
                return;
        }