+++ /dev/null
-/*
- * event.c
- *
- * Babeltrace CTF Writer
- *
- * Copyright 2013 EfficiOS Inc.
- *
- * 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
- * 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.
- */
-
-#include <babeltrace/ctf-writer/event.h>
-#include <babeltrace/ctf-writer/event-types.h>
-#include <babeltrace/ctf-writer/event-fields.h>
-#include <babeltrace/ctf-ir/event-fields-internal.h>
-#include <babeltrace/ctf-ir/event-types-internal.h>
-#include <babeltrace/ctf-ir/event-internal.h>
-#include <babeltrace/ctf-writer/writer-internal.h>
-#include <babeltrace/compiler.h>
-
-static
-void bt_ctf_event_class_destroy(struct bt_ctf_ref *ref);
-static
-void bt_ctf_event_destroy(struct bt_ctf_ref *ref);
-
-struct bt_ctf_event_class *bt_ctf_event_class_create(const char *name)
-{
- struct bt_ctf_event_class *event_class = NULL;
-
- if (validate_identifier(name)) {
- goto end;
- }
-
- event_class = g_new0(struct bt_ctf_event_class, 1);
- if (!event_class) {
- goto end;
- }
-
- bt_ctf_ref_init(&event_class->ref_count);
- event_class->name = g_quark_from_string(name);
-end:
- return event_class;
-}
-
-int bt_ctf_event_class_add_field(struct bt_ctf_event_class *event_class,
- struct bt_ctf_field_type *type,
- const char *name)
-{
- int ret = 0;
-
- if (!event_class || !type || validate_identifier(name) ||
- event_class->frozen) {
- ret = -1;
- goto end;
- }
-
- if (!event_class->fields) {
- event_class->fields = bt_ctf_field_type_structure_create();
- if (!event_class->fields) {
- ret = -1;
- goto end;
- }
- }
-
- ret = bt_ctf_field_type_structure_add_field(event_class->fields,
- type, name);
-end:
- return ret;
-}
-
-void bt_ctf_event_class_get(struct bt_ctf_event_class *event_class)
-{
- if (!event_class) {
- return;
- }
-
- bt_ctf_ref_get(&event_class->ref_count);
-}
-
-void bt_ctf_event_class_put(struct bt_ctf_event_class *event_class)
-{
- if (!event_class) {
- return;
- }
-
- bt_ctf_ref_put(&event_class->ref_count, bt_ctf_event_class_destroy);
-}
-
-struct bt_ctf_event *bt_ctf_event_create(struct bt_ctf_event_class *event_class)
-{
- struct bt_ctf_event *event = NULL;
-
- if (!event_class) {
- goto end;
- }
-
- event = g_new0(struct bt_ctf_event, 1);
- if (!event) {
- goto end;
- }
-
- bt_ctf_ref_init(&event->ref_count);
- bt_ctf_event_class_get(event_class);
- bt_ctf_event_class_freeze(event_class);
- event->event_class = event_class;
- event->context_payload = bt_ctf_field_create(event_class->context);
- event->fields_payload = bt_ctf_field_create(event_class->fields);
-end:
- return event;
-}
-
-int bt_ctf_event_set_payload(struct bt_ctf_event *event,
- const char *name,
- struct bt_ctf_field *value)
-{
- int ret = 0;
-
- if (!event || !value || validate_identifier(name)) {
- ret = -1;
- goto end;
- }
-
- ret = bt_ctf_field_structure_set_field(event->fields_payload,
- name, value);
-end:
- return ret;
-}
-
-
-struct bt_ctf_field *bt_ctf_event_get_payload(struct bt_ctf_event *event,
- const char *name)
-{
- struct bt_ctf_field *field = NULL;
-
- if (!event || !name) {
- goto end;
- }
-
- field = bt_ctf_field_structure_get_field(event->fields_payload, name);
-end:
- return field;
-}
-
-void bt_ctf_event_get(struct bt_ctf_event *event)
-{
- if (!event) {
- return;
- }
-
- bt_ctf_ref_get(&event->ref_count);
-}
-
-void bt_ctf_event_put(struct bt_ctf_event *event)
-{
- if (!event) {
- return;
- }
-
- bt_ctf_ref_put(&event->ref_count, bt_ctf_event_destroy);
-}
-
-static
-void bt_ctf_event_class_destroy(struct bt_ctf_ref *ref)
-{
- struct bt_ctf_event_class *event_class;
-
- if (!ref) {
- return;
- }
-
- event_class = container_of(ref, struct bt_ctf_event_class, ref_count);
- bt_ctf_field_type_put(event_class->context);
- bt_ctf_field_type_put(event_class->fields);
- g_free(event_class);
-}
-
-static
-void bt_ctf_event_destroy(struct bt_ctf_ref *ref)
-{
- struct bt_ctf_event *event;
-
- if (!ref) {
- return;
- }
-
- event = container_of(ref, struct bt_ctf_event,
- ref_count);
- bt_ctf_event_class_put(event->event_class);
- bt_ctf_field_put(event->context_payload);
- bt_ctf_field_put(event->fields_payload);
- g_free(event);
-}
-
-BT_HIDDEN
-void bt_ctf_event_class_freeze(struct bt_ctf_event_class *event_class)
-{
- assert(event_class);
- event_class->frozen = 1;
- bt_ctf_field_type_freeze(event_class->context);
- bt_ctf_field_type_freeze(event_class->fields);
-}
-
-BT_HIDDEN
-int bt_ctf_event_class_set_id(struct bt_ctf_event_class *event_class,
- uint32_t id)
-{
- int ret = 0;
-
- if (event_class->id_set && id != event_class->id) {
- ret = -1;
- goto end;
- }
-
- event_class->id = id;
- event_class->id_set = 1;
-end:
- return ret;
-}
-
-BT_HIDDEN
-uint32_t bt_ctf_event_class_get_id(struct bt_ctf_event_class *event_class)
-{
- assert(event_class);
- return event_class->id;
-}
-
-BT_HIDDEN
-int bt_ctf_event_class_set_stream_id(struct bt_ctf_event_class *event_class,
- uint32_t id)
-{
- int ret = 0;
-
- assert(event_class);
- if (event_class->stream_id_set && id != event_class->stream_id) {
- ret = -1;
- goto end;
- }
-
- event_class->stream_id = id;
- event_class->stream_id_set = 1;
-end:
- return ret;
-}
-
-BT_HIDDEN
-int bt_ctf_event_class_serialize(struct bt_ctf_event_class *event_class,
- struct metadata_context *context)
-{
- int ret = 0;
-
- assert(event_class);
- assert(context);
- context->current_indentation_level = 1;
- g_string_assign(context->field_name, "");
- g_string_append_printf(context->string, "event {\n\tname = \"%s\";\n\tid = %u;\n\tstream_id = %" PRIu32 ";\n",
- g_quark_to_string(event_class->name),
- event_class->id,
- event_class->stream_id);
-
- if (event_class->context) {
- g_string_append(context->string, "\tcontext := ");
- ret = bt_ctf_field_type_serialize(event_class->context,
- context);
- if (ret) {
- goto end;
- }
- g_string_append(context->string, ";\n");
- }
-
- if (event_class->fields) {
- g_string_append(context->string, "\tfields := ");
- ret = bt_ctf_field_type_serialize(event_class->fields, context);
- if (ret) {
- goto end;
- }
- g_string_append(context->string, ";\n");
- }
-
- g_string_append(context->string, "};\n\n");
-end:
- context->current_indentation_level = 0;
- return ret;
-}
-
-BT_HIDDEN
-int bt_ctf_event_validate(struct bt_ctf_event *event)
-{
- /* Make sure each field's payload has been set */
- int ret;
-
- assert(event);
- ret = bt_ctf_field_validate(event->fields_payload);
- if (ret) {
- goto end;
- }
-
- if (event->event_class->context) {
- ret = bt_ctf_field_validate(event->context_payload);
- }
-end:
- return ret;
-}
-
-BT_HIDDEN
-int bt_ctf_event_serialize(struct bt_ctf_event *event,
- struct ctf_stream_pos *pos)
-{
- int ret = 0;
-
- assert(event);
- assert(pos);
- if (event->context_payload) {
- ret = bt_ctf_field_serialize(event->context_payload, pos);
- if (ret) {
- goto end;
- }
- }
-
- if (event->fields_payload) {
- ret = bt_ctf_field_serialize(event->fields_payload, pos);
- if (ret) {
- goto end;
- }
- }
-end:
- return ret;
-}
-
-BT_HIDDEN
-int bt_ctf_event_set_timestamp(struct bt_ctf_event *event,
- uint64_t timestamp)
-{
- int ret = 0;
-
- assert(event);
- if (event->timestamp) {
- ret = -1;
- goto end;
- }
-
- event->timestamp = timestamp;
-end:
- return ret;
-}
-
-BT_HIDDEN
-uint64_t bt_ctf_event_get_timestamp(struct bt_ctf_event *event)
-{
- assert(event);
- return event->timestamp;
-}
projects / babeltrace.git / blobdiff