+++ /dev/null
-/*
- * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
- * Copyright 2016 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
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#define BT_LOG_TAG "MSG-EVENT"
-#include <babeltrace2/lib-logging-internal.h>
-
-#include <babeltrace2/assert-internal.h>
-#include <babeltrace2/assert-pre-internal.h>
-#include <babeltrace2/compiler-internal.h>
-#include <babeltrace2/object-internal.h>
-#include <babeltrace2/trace-ir/event.h>
-#include <babeltrace2/trace-ir/event-internal.h>
-#include <babeltrace2/trace-ir/event-class-internal.h>
-#include <babeltrace2/trace-ir/stream-class-internal.h>
-#include <babeltrace2/trace-ir/trace.h>
-#include <babeltrace2/trace-ir/clock-snapshot-internal.h>
-#include <babeltrace2/graph/graph-internal.h>
-#include <babeltrace2/graph/message-event-const.h>
-#include <babeltrace2/graph/message-event.h>
-#include <babeltrace2/graph/message-event-internal.h>
-#include <babeltrace2/types.h>
-#include <stdbool.h>
-#include <inttypes.h>
-
-BT_ASSERT_PRE_FUNC
-static inline bool event_class_has_trace(struct bt_event_class *event_class)
-{
- struct bt_stream_class *stream_class;
-
- stream_class = bt_event_class_borrow_stream_class_inline(event_class);
- BT_ASSERT(stream_class);
- return bt_stream_class_borrow_trace_class(stream_class) != NULL;
-}
-
-BT_HIDDEN
-struct bt_message *bt_message_event_new(
- struct bt_graph *graph)
-{
- struct bt_message_event *message = NULL;
-
- message = g_new0(struct bt_message_event, 1);
- if (!message) {
- BT_LOGE_STR("Failed to allocate one event message.");
- goto error;
- }
-
- bt_message_init(&message->parent, BT_MESSAGE_TYPE_EVENT,
- (bt_object_release_func) bt_message_event_recycle, graph);
- goto end;
-
-error:
- BT_OBJECT_PUT_REF_AND_RESET(message);
-
-end:
- return (void *) message;
-}
-
-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,
- uint64_t raw_value)
-{
- struct bt_self_component_port_input_message_iterator *msg_iter =
- (void *) self_msg_iter;
- struct bt_message_event *message = NULL;
- 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_event *event;
-
- 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);
- BT_ASSERT(stream_class);
- BT_ASSERT_PRE((with_cs && stream_class->default_clock_class) ||
- (!with_cs && !stream_class->default_clock_class),
- "Creating an event message with a default clock snapshot, but without "
- "a default clock class, or without a default clock snapshot, "
- "but with a default clock class: ",
- "%![ec-]+E, %![sc-]+S, with-cs=%d, "
- "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: "
- "%![ec-]+E", event_class);
- goto error;
- }
-
- /*
- * Create message from pool _after_ we have everything
- * (in this case, a valid event object) so that we never have an
- * error condition with a non-NULL message object.
- * Otherwise:
- *
- * * We cannot recycle the message on error because
- * bt_message_event_recycle() expects a complete
- * message (and the event or clock class priority map
- * object could be unset).
- *
- * * We cannot destroy the message because we would need
- * to notify the graph (pool owner) so that it removes the
- * message from its message array.
- */
- message = (void *) bt_message_create_from_pool(
- &msg_iter->graph->event_msg_pool, msg_iter->graph);
- if (unlikely(!message)) {
- /* bt_message_create_from_pool() logs errors */
- goto error;
- }
-
- if (with_cs) {
- BT_ASSERT(stream_class->default_clock_class);
- message->default_cs = bt_clock_snapshot_create(
- stream_class->default_clock_class);
- if (!message->default_cs) {
- goto error;
- }
-
- bt_clock_snapshot_set_raw_value(message->default_cs, raw_value);
- }
-
- BT_ASSERT(!message->event);
- message->event = event;
- bt_packet_set_is_frozen(packet, true);
- bt_event_class_freeze(event_class);
- BT_LIB_LOGD("Created event message object: "
- "%![msg-]+n, %![event-]+e", message, event);
- goto end;
-
-error:
- BT_ASSERT(!message);
- bt_event_destroy(event);
-
-end:
- return (void *) message;
-}
-
-struct bt_message *bt_message_event_create(
- 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);
-}
-
-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_packet *packet,
- uint64_t raw_value)
-{
- return create_event_message(msg_iter, event_class, packet,
- true, raw_value);
-}
-
-BT_HIDDEN
-void bt_message_event_destroy(struct bt_message *msg)
-{
- struct bt_message_event *event_msg = (void *) msg;
-
- BT_LIB_LOGD("Destroying event message: %!+n", msg);
-
- if (event_msg->event) {
- BT_LIB_LOGD("Recycling event: %!+e", event_msg->event);
- bt_event_recycle(event_msg->event);
- event_msg->event = NULL;
- }
-
- if (event_msg->default_cs) {
- bt_clock_snapshot_recycle(event_msg->default_cs);
- event_msg->default_cs = NULL;
- }
-
- g_free(msg);
-}
-
-BT_HIDDEN
-void bt_message_event_recycle(struct bt_message *msg)
-{
- struct bt_message_event *event_msg = (void *) msg;
- struct bt_graph *graph;
-
- BT_ASSERT(event_msg);
-
- if (unlikely(!msg->graph)) {
- bt_message_event_destroy(msg);
- return;
- }
-
- BT_LIB_LOGD("Recycling event message: %![msg-]+n, %![event-]+e",
- msg, event_msg->event);
- bt_message_reset(msg);
- BT_ASSERT(event_msg->event);
- bt_event_recycle(event_msg->event);
- event_msg->event = NULL;
-
- if (event_msg->default_cs) {
- bt_clock_snapshot_recycle(event_msg->default_cs);
- event_msg->default_cs = NULL;
- }
-
- graph = msg->graph;
- msg->graph = NULL;
- bt_object_pool_recycle_object(&graph->event_msg_pool, msg);
-}
-
-static inline
-struct bt_event *borrow_event(struct bt_message *message)
-{
- struct bt_message_event *event_message;
-
- BT_ASSERT_PRE_NON_NULL(message, "Message");
- BT_ASSERT_PRE_MSG_IS_TYPE(message, BT_MESSAGE_TYPE_EVENT);
- event_message = container_of(message,
- struct bt_message_event, parent);
- return event_message->event;
-}
-
-struct bt_event *bt_message_event_borrow_event(
- struct bt_message *message)
-{
- return borrow_event(message);
-}
-
-const struct bt_event *bt_message_event_borrow_event_const(
- const struct bt_message *message)
-{
- return borrow_event((void *) message);
-}
-
-const struct bt_clock_snapshot *
-bt_message_event_borrow_default_clock_snapshot_const(
- const struct bt_message *msg)
-{
- struct bt_message_event *event_msg = (void *) msg;
- struct bt_stream_class *stream_class;
-
- BT_ASSERT_PRE_NON_NULL(msg, "Message");
- BT_ASSERT_PRE_MSG_IS_TYPE(msg, BT_MESSAGE_TYPE_EVENT);
- stream_class = bt_event_class_borrow_stream_class_inline(
- event_msg->event->class);
- BT_ASSERT(stream_class);
- BT_ASSERT_PRE(stream_class->default_clock_class,
- "Message's stream's class has no default clock class: "
- "%![msg-]+n, %![sc-]+S", msg, stream_class);
- return event_msg->default_cs;
-}
-
-const bt_clock_class *
-bt_message_event_borrow_stream_class_default_clock_class_const(
- const bt_message *msg)
-{
- struct bt_message_event *event_msg = (void *) msg;
- struct bt_stream_class *stream_class;
-
- BT_ASSERT_PRE_NON_NULL(msg, "Message");
- BT_ASSERT_PRE_MSG_IS_TYPE(msg, BT_MESSAGE_TYPE_EVENT);
- stream_class = bt_event_class_borrow_stream_class_inline(
- event_msg->event->class);
- BT_ASSERT(stream_class);
- return stream_class->default_clock_class;
-}
projects / babeltrace.git / blobdiff