lib: update copyrights
[babeltrace.git] / lib / trace-ir / event.c
index b7d4607c037d5d343a6b6a9eb776c116f03c5974..433963ca8ecc46b62254c75ce7111b593e3ccb5a 100644 (file)
@@ -1,8 +1,7 @@
 /*
+ * 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
 #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-const.h>
 #include <babeltrace/trace-ir/clock-value-internal.h>
 #include <babeltrace/trace-ir/clock-class-internal.h>
-#include <babeltrace/trace-ir/private-event.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>
@@ -51,7 +51,7 @@
 #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",
@@ -81,7 +81,7 @@ 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);
 }
@@ -107,7 +107,7 @@ 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;
        }
@@ -142,7 +142,7 @@ 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.");
@@ -150,8 +150,7 @@ 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) {
@@ -160,7 +159,7 @@ 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) {
@@ -169,7 +168,7 @@ 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) {
@@ -205,22 +204,35 @@ 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;
 }
 
-struct bt_private_field *bt_private_event_borrow_header_field(
-               struct bt_private_event *event)
+const struct bt_field *bt_event_borrow_header_field_const(
+               const struct bt_event *event)
 {
-       return (void *) bt_event_borrow_header_field((void *) 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)
@@ -229,10 +241,11 @@ struct bt_field *bt_event_borrow_common_context_field(struct bt_event *event)
        return event->common_context_field;
 }
 
-struct bt_private_field *bt_private_event_borrow_common_context_field(
-               struct bt_private_event *event)
+const struct bt_field *bt_event_borrow_common_context_field_const(
+               const struct bt_event *event)
 {
-       return (void *) bt_event_borrow_common_context_field((void *) 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)
@@ -241,10 +254,11 @@ struct bt_field *bt_event_borrow_specific_context_field(struct bt_event *event)
        return event->specific_context_field;
 }
 
-struct bt_private_field *bt_private_event_borrow_specific_context_field(
-               struct bt_private_event *event)
+const struct bt_field *bt_event_borrow_specific_context_field_const(
+               const struct bt_event *event)
 {
-       return (void *) bt_event_borrow_specific_context_field((void *) 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)
@@ -253,10 +267,11 @@ struct bt_field *bt_event_borrow_payload_field(struct bt_event *event)
        return event->payload_field;
 }
 
-struct bt_private_field *bt_private_event_borrow_payload_field(
-               struct bt_private_event *event)
+const struct bt_field *bt_event_borrow_payload_field_const(
+               const struct bt_event *event)
 {
-       return (void *) bt_event_borrow_payload_field((void *) event);
+       BT_ASSERT_PRE_NON_NULL(event, "Event");
+       return event->payload_field;
 }
 
 static
@@ -283,21 +298,25 @@ 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.");
@@ -305,17 +324,17 @@ void bt_event_destroy(struct bt_event *event)
 
        if (event->default_cv) {
                bt_clock_value_recycle(event->default_cv);
+               event->default_cv = NULL;
        }
 
        BT_LOGD_STR("Putting event's packet.");
-       bt_object_put_ref(event->packet);
+       BT_OBJECT_PUT_REF_AND_RESET(event->packet);
        g_free(event);
 }
 
-int bt_private_event_set_default_clock_value(
-               struct bt_private_event *priv_event, uint64_t value_cycles)
+void bt_event_set_default_clock_value(struct bt_event *event,
+               uint64_t value_cycles)
 {
-       struct bt_event *event = (void *) priv_event;
        struct bt_stream_class *sc;
 
        BT_ASSERT_PRE_NON_NULL(event, "Event");
@@ -329,11 +348,11 @@ int bt_private_event_set_default_clock_value(
        bt_clock_value_set_value_inline(event->default_cv, value_cycles);
        BT_LIB_LOGV("Set event's default clock value: %![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_value_status bt_event_borrow_default_clock_value_const(
+               const struct bt_event *event,
+               const struct bt_clock_value **clock_value)
 {
        BT_ASSERT_PRE_NON_NULL(event, "Event");
        BT_ASSERT_PRE_NON_NULL(clock_value, "Clock value (output)");
@@ -347,27 +366,24 @@ struct bt_packet *bt_event_borrow_packet(struct bt_event *event)
        return event->packet;
 }
 
-struct bt_private_packet *bt_private_event_borrow_packet(
-               struct bt_private_event *event)
+const struct bt_packet *bt_event_borrow_packet_const(
+               const struct bt_event *event)
 {
-       return (void *) bt_event_borrow_packet((void *) event);
+       return bt_event_borrow_packet((void *) event);
 }
 
-int bt_private_event_move_header_field(
-               struct bt_private_event *priv_event,
-               struct bt_private_event_header_field *priv_header_field)
+int bt_event_move_header_field(struct bt_event *event,
+               struct bt_event_header_field *header_field)
 {
        struct bt_stream_class *stream_class;
-       struct bt_event *event = (void *) priv_event;
-       struct bt_event_class *event_class = (void *) event_class;
-       struct bt_field_wrapper *field_wrapper = (void *) priv_header_field;
+       struct bt_field_wrapper *field_wrapper = (void *) header_field;
 
        BT_ASSERT_PRE_NON_NULL(event, "Event");
        BT_ASSERT_PRE_NON_NULL(field_wrapper, "Header field");
        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 */
@@ -378,9 +394,3 @@ int bt_private_event_move_header_field(
        event->header_field = field_wrapper;
        return 0;
 }
-
-struct bt_event *bt_event_borrow_from_private(
-               struct bt_private_event *priv_event)
-{
-       return (void *) priv_event;
-}
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