X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=lib%2Ftrace-ir%2Fevent.c;h=f63bd309965ed1e45f03de914fd70e7ea753632b;hb=35fa110e5bea4a35497313adf3e3d0fa09db9ff7;hp=ed42d0a2eabbf525def895d61dfab7b7c7227944;hpb=939190b374e61ac2a31e38ecc6c31f2f986690ab;p=babeltrace.git

diff --git a/lib/trace-ir/event.c b/lib/trace-ir/event.c
index ed42d0a2..f63bd309 100644
--- a/lib/trace-ir/event.c
+++ b/lib/trace-ir/event.c
@@ -1,12 +1,7 @@
 /*
- * event.c
- *
- * Babeltrace trace IR - Event
- *
+ * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
  * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
  *
- * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
- *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
  * in the Software without restriction, including without limitation the rights
@@ -30,16 +25,18 @@
 #include <babeltrace/lib-logging-internal.h>
 
 #include <babeltrace/assert-pre-internal.h>
-#include <babeltrace/trace-ir/fields-internal.h>
-#include <babeltrace/trace-ir/field-classes-internal.h>
+#include <babeltrace/trace-ir/field-internal.h>
+#include <babeltrace/trace-ir/field-class-internal.h>
 #include <babeltrace/trace-ir/clock-class.h>
-#include <babeltrace/trace-ir/clock-value.h>
-#include <babeltrace/trace-ir/clock-value-internal.h>
+#include <babeltrace/trace-ir/clock-snapshot-const.h>
+#include <babeltrace/trace-ir/clock-snapshot-internal.h>
 #include <babeltrace/trace-ir/clock-class-internal.h>
+#include <babeltrace/trace-ir/event-const.h>
 #include <babeltrace/trace-ir/event-internal.h>
 #include <babeltrace/trace-ir/event-class.h>
 #include <babeltrace/trace-ir/event-class-internal.h>
 #include <babeltrace/trace-ir/stream-class.h>
+#include <babeltrace/trace-ir/stream-class-const.h>
 #include <babeltrace/trace-ir/stream-class-internal.h>
 #include <babeltrace/trace-ir/stream-internal.h>
 #include <babeltrace/trace-ir/packet.h>
@@ -47,14 +44,13 @@
 #include <babeltrace/trace-ir/trace.h>
 #include <babeltrace/trace-ir/trace-internal.h>
 #include <babeltrace/trace-ir/packet-internal.h>
-#include <babeltrace/ref.h>
 #include <babeltrace/trace-ir/attributes-internal.h>
-#include <babeltrace/compiler-internal.h>
 #include <babeltrace/assert-internal.h>
+#include <babeltrace/compiler-internal.h>
 #include <inttypes.h>
 
 BT_HIDDEN
-void _bt_event_set_is_frozen(struct bt_event *event, bool is_frozen)
+void _bt_event_set_is_frozen(const struct bt_event *event, bool is_frozen)
 {
 	BT_ASSERT(event);
 	BT_LIB_LOGD("Setting event's frozen state: %!+e, is-frozen=%d",
@@ -84,7 +80,7 @@ void _bt_event_set_is_frozen(struct bt_event *event, bool is_frozen)
 			is_frozen);
 	}
 
-	event->frozen = is_frozen;
+	((struct bt_event *) event)->frozen = is_frozen;
 	BT_LOGD_STR("Setting event's packet's frozen state.");
 	bt_packet_set_is_frozen(event->packet, is_frozen);
 }
@@ -110,7 +106,7 @@ struct bt_field_wrapper *create_event_header_field(
 
 	field_wrapper = bt_field_wrapper_create(
 		&stream_class->event_header_field_pool,
-		bt_stream_class_borrow_event_header_field_class(stream_class));
+		stream_class->event_header_fc);
 	if (!field_wrapper) {
 		goto error;
 	}
@@ -145,7 +141,7 @@ struct bt_event *bt_event_new(struct bt_event_class *event_class)
 	stream_class = bt_event_class_borrow_stream_class(event_class);
 	BT_ASSERT(stream_class);
 
-	if (bt_stream_class_borrow_event_header_field_class(stream_class)) {
+	if (stream_class->event_header_fc) {
 		event->header_field = create_event_header_field(stream_class);
 		if (!event->header_field) {
 			BT_LOGE_STR("Cannot create event header field.");
@@ -153,8 +149,7 @@ struct bt_event *bt_event_new(struct bt_event_class *event_class)
 		}
 	}
 
-	fc = bt_stream_class_borrow_event_common_context_field_class(
-		stream_class);
+	fc = stream_class->event_common_context_fc;
 	if (fc) {
 		event->common_context_field = bt_field_create(fc);
 		if (!event->common_context_field) {
@@ -163,7 +158,7 @@ struct bt_event *bt_event_new(struct bt_event_class *event_class)
 		}
 	}
 
-	fc = bt_event_class_borrow_specific_context_field_class(event_class);
+	fc = event_class->specific_context_fc;
 	if (fc) {
 		event->specific_context_field = bt_field_create(fc);
 		if (!event->specific_context_field) {
@@ -172,7 +167,7 @@ struct bt_event *bt_event_new(struct bt_event_class *event_class)
 		}
 	}
 
-	fc = bt_event_class_borrow_payload_field_class(event_class);
+	fc = event_class->payload_fc;
 	if (fc) {
 		event->payload_field = bt_field_create(fc);
 		if (!event->payload_field) {
@@ -182,10 +177,10 @@ struct bt_event *bt_event_new(struct bt_event_class *event_class)
 	}
 
 	if (stream_class->default_clock_class) {
-		event->default_cv = bt_clock_value_create(
+		event->default_cs = bt_clock_snapshot_create(
 			stream_class->default_clock_class);
-		if (!event->default_cv) {
-			/* bt_clock_value_create() logs errors */
+		if (!event->default_cs) {
+			/* bt_clock_snapshot_create() logs errors */
 			goto error;
 		}
 	}
@@ -208,36 +203,76 @@ struct bt_event_class *bt_event_borrow_class(struct bt_event *event)
 	return event->class;
 }
 
+const struct bt_event_class *bt_event_borrow_class_const(
+		const struct bt_event *event)
+{
+	return bt_event_borrow_class((void *) event);
+}
+
 struct bt_stream *bt_event_borrow_stream(struct bt_event *event)
 {
 	BT_ASSERT_PRE_NON_NULL(event, "Event");
 	return event->packet ? event->packet->stream : NULL;
 }
 
+const struct bt_stream *bt_event_borrow_stream_const(
+		const struct bt_event *event)
+{
+	return bt_event_borrow_stream((void *) event);
+}
+
 struct bt_field *bt_event_borrow_header_field(struct bt_event *event)
 {
 	BT_ASSERT_PRE_NON_NULL(event, "Event");
 	return event->header_field ? event->header_field->field : NULL;
 }
 
+const struct bt_field *bt_event_borrow_header_field_const(
+		const struct bt_event *event)
+{
+	BT_ASSERT_PRE_NON_NULL(event, "Event");
+	return event->header_field ? event->header_field->field : NULL;
+}
+
 struct bt_field *bt_event_borrow_common_context_field(struct bt_event *event)
 {
 	BT_ASSERT_PRE_NON_NULL(event, "Event");
 	return event->common_context_field;
 }
 
+const struct bt_field *bt_event_borrow_common_context_field_const(
+		const struct bt_event *event)
+{
+	BT_ASSERT_PRE_NON_NULL(event, "Event");
+	return event->common_context_field;
+}
+
 struct bt_field *bt_event_borrow_specific_context_field(struct bt_event *event)
 {
 	BT_ASSERT_PRE_NON_NULL(event, "Event");
 	return event->specific_context_field;
 }
 
+const struct bt_field *bt_event_borrow_specific_context_field_const(
+		const struct bt_event *event)
+{
+	BT_ASSERT_PRE_NON_NULL(event, "Event");
+	return event->specific_context_field;
+}
+
 struct bt_field *bt_event_borrow_payload_field(struct bt_event *event)
 {
 	BT_ASSERT_PRE_NON_NULL(event, "Event");
 	return event->payload_field;
 }
 
+const struct bt_field *bt_event_borrow_payload_field_const(
+		const struct bt_event *event)
+{
+	BT_ASSERT_PRE_NON_NULL(event, "Event");
+	return event->payload_field;
+}
+
 static
 void release_event_header_field(struct bt_field_wrapper *field_wrapper,
 		struct bt_event *event)
@@ -262,36 +297,41 @@ void bt_event_destroy(struct bt_event *event)
 	if (event->header_field) {
 		BT_LOGD_STR("Releasing event's header field.");
 		release_event_header_field(event->header_field, event);
+		event->header_field = NULL;
 	}
 
 	if (event->common_context_field) {
 		BT_LOGD_STR("Destroying event's stream event context field.");
 		bt_field_destroy(event->common_context_field);
+		event->common_context_field = NULL;
 	}
 
 	if (event->specific_context_field) {
 		BT_LOGD_STR("Destroying event's context field.");
 		bt_field_destroy(event->specific_context_field);
+		event->specific_context_field = NULL;
 	}
 
 	if (event->payload_field) {
 		BT_LOGD_STR("Destroying event's payload field.");
 		bt_field_destroy(event->payload_field);
+		event->payload_field = NULL;
 	}
 
 	BT_LOGD_STR("Putting event's class.");
-	bt_put(event->class);
+	bt_object_put_ref(event->class);
 
-	if (event->default_cv) {
-		bt_clock_value_recycle(event->default_cv);
+	if (event->default_cs) {
+		bt_clock_snapshot_recycle(event->default_cs);
+		event->default_cs = NULL;
 	}
 
 	BT_LOGD_STR("Putting event's packet.");
-	bt_put(event->packet);
+	BT_OBJECT_PUT_REF_AND_RESET(event->packet);
 	g_free(event);
 }
 
-int bt_event_set_default_clock_value(struct bt_event *event,
+void bt_event_set_default_clock_snapshot(struct bt_event *event,
 		uint64_t value_cycles)
 {
 	struct bt_stream_class *sc;
@@ -303,20 +343,20 @@ int bt_event_set_default_clock_value(struct bt_event *event,
 	BT_ASSERT_PRE(sc->default_clock_class,
 		"Event's stream class has no default clock class: "
 		"%![ev-]+e, %![sc-]+S", event, sc);
-	BT_ASSERT(event->default_cv);
-	bt_clock_value_set_value_inline(event->default_cv, value_cycles);
-	BT_LIB_LOGV("Set event's default clock value: %![event-]+e, "
+	BT_ASSERT(event->default_cs);
+	bt_clock_snapshot_set_value_inline(event->default_cs, value_cycles);
+	BT_LIB_LOGV("Set event's default clock snapshot: %![event-]+e, "
 		"value=%" PRIu64, event, value_cycles);
-	return 0;
 }
 
-enum bt_clock_value_status bt_event_borrow_default_clock_value(
-		struct bt_event *event, struct bt_clock_value **clock_value)
+enum bt_clock_snapshot_state bt_event_borrow_default_clock_snapshot_const(
+		const struct bt_event *event,
+		const struct bt_clock_snapshot **clock_snapshot)
 {
 	BT_ASSERT_PRE_NON_NULL(event, "Event");
-	BT_ASSERT_PRE_NON_NULL(clock_value, "Clock value (output)");
-	*clock_value = event->default_cv;
-	return BT_CLOCK_VALUE_STATUS_KNOWN;
+	BT_ASSERT_PRE_NON_NULL(clock_snapshot, "Clock snapshot (output)");
+	*clock_snapshot = event->default_cs;
+	return BT_CLOCK_SNAPSHOT_STATE_KNOWN;
 }
 
 struct bt_packet *bt_event_borrow_packet(struct bt_event *event)
@@ -325,7 +365,13 @@ struct bt_packet *bt_event_borrow_packet(struct bt_event *event)
 	return event->packet;
 }
 
-int bt_event_move_header(struct bt_event *event,
+const struct bt_packet *bt_event_borrow_packet_const(
+		const struct bt_event *event)
+{
+	return bt_event_borrow_packet((void *) event);
+}
+
+enum bt_event_status bt_event_move_header_field(struct bt_event *event,
 		struct bt_event_header_field *header_field)
 {
 	struct bt_stream_class *stream_class;
@@ -336,7 +382,7 @@ int bt_event_move_header(struct bt_event *event,
 	BT_ASSERT_PRE_EVENT_HOT(event);
 	stream_class = bt_event_class_borrow_stream_class_inline(event->class);
 	BT_ASSERT_PRE(stream_class->event_header_fc,
-		"Stream class has no event header field classe: %!+S",
+		"Stream class has no event header field class: %!+S",
 		stream_class);
 
 	/* Recycle current header field: always exists */
@@ -345,5 +391,5 @@ int bt_event_move_header(struct bt_event *event,
 
 	/* Move new field */
 	event->header_field = field_wrapper;
-	return 0;
+	return BT_EVENT_STATUS_OK;
 }