+++ /dev/null
-/*
- * packet.c
- *
- * Babeltrace CTF IR - Stream packet
- *
- * Copyright 2016 Philippe Proulx <pproulx@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-ir/fields-internal.h>
-#include <babeltrace/ctf-ir/packet.h>
-#include <babeltrace/ctf-ir/packet-internal.h>
-#include <babeltrace/ctf-ir/trace.h>
-#include <babeltrace/ctf-ir/stream-class-internal.h>
-#include <babeltrace/ctf-ir/stream-class.h>
-#include <babeltrace/ctf-ir/stream.h>
-#include <babeltrace/ctf-ir/stream-internal.h>
-#include <babeltrace/ctf-ir/trace-internal.h>
-#include <babeltrace/object-internal.h>
-#include <babeltrace/ref.h>
-
-struct bt_ctf_stream *bt_ctf_packet_get_stream(struct bt_ctf_packet *packet)
-{
- return packet ? bt_get(packet->stream) : NULL;
-}
-
-struct bt_ctf_field *bt_ctf_packet_get_header(
- struct bt_ctf_packet *packet)
-{
- return packet ? bt_get(packet->header) : NULL;
-}
-
-int bt_ctf_packet_set_header(struct bt_ctf_packet *packet,
- struct bt_ctf_field *header)
-{
- int ret = 0;
- struct bt_ctf_trace *trace = NULL;
- struct bt_ctf_stream_class *stream_class = NULL;
- struct bt_ctf_field_type *header_field_type = NULL;
- struct bt_ctf_field_type *expected_header_field_type = NULL;
-
- if (!packet || packet->frozen) {
- ret = -1;
- goto end;
- }
-
- if (!header) {
- goto skip_validation;
- }
-
- stream_class = bt_ctf_stream_get_class(packet->stream);
- assert(stream_class);
- trace = bt_ctf_stream_class_get_trace(stream_class);
- assert(trace);
- header_field_type = bt_ctf_field_get_type(header);
- assert(header_field_type);
- expected_header_field_type = bt_ctf_trace_get_packet_header_type(trace);
-
- if (bt_ctf_field_type_compare(header_field_type,
- expected_header_field_type)) {
- ret = -1;
- goto end;
- }
-
-skip_validation:
- bt_put(packet->header);
- packet->header = bt_get(header);
-
-end:
- BT_PUT(trace);
- BT_PUT(stream_class);
- BT_PUT(header_field_type);
- BT_PUT(expected_header_field_type);
-
- return ret;
-}
-
-struct bt_ctf_field *bt_ctf_packet_get_context(
- struct bt_ctf_packet *packet)
-{
- return packet ? bt_get(packet->context) : NULL;
-}
-
-int bt_ctf_packet_set_context(struct bt_ctf_packet *packet,
- struct bt_ctf_field *context)
-{
- int ret = 0;
- struct bt_ctf_stream_class *stream_class = NULL;
- struct bt_ctf_field_type *context_field_type = NULL;
- struct bt_ctf_field_type *expected_context_field_type = NULL;
-
- if (!packet || packet->frozen) {
- ret = -1;
- goto end;
- }
-
- if (!context) {
- goto skip_validation;
- }
-
- stream_class = bt_ctf_stream_get_class(packet->stream);
- assert(stream_class);
- context_field_type = bt_ctf_field_get_type(context);
- assert(context_field_type);
- expected_context_field_type =
- bt_ctf_stream_class_get_packet_context_type(stream_class);
-
- if (bt_ctf_field_type_compare(context_field_type,
- expected_context_field_type)) {
- ret = -1;
- goto end;
- }
-
-skip_validation:
- bt_put(packet->context);
- packet->context = bt_get(context);
-
-end:
- BT_PUT(stream_class);
- BT_PUT(context_field_type);
- BT_PUT(expected_context_field_type);
-
- return ret;
-}
-
-BT_HIDDEN
-void bt_ctf_packet_freeze(struct bt_ctf_packet *packet)
-{
- if (!packet) {
- return;
- }
-
- bt_ctf_field_freeze(packet->header);
- bt_ctf_field_freeze(packet->context);
- packet->frozen = 1;
-}
-
-static
-void bt_ctf_packet_destroy(struct bt_object *obj)
-{
- struct bt_ctf_packet *packet;
-
- packet = container_of(obj, struct bt_ctf_packet, base);
- bt_put(packet->header);
- bt_put(packet->context);
- bt_put(packet->stream);
- g_free(packet);
-}
-
-struct bt_ctf_packet *bt_ctf_packet_create(
- struct bt_ctf_stream *stream)
-{
- struct bt_ctf_packet *packet = NULL;
- struct bt_ctf_stream_class *stream_class = NULL;
- struct bt_ctf_trace *trace = NULL;
-
- if (!stream || stream->pos.fd >= 0) {
- goto end;
- }
-
- stream_class = bt_ctf_stream_get_class(stream);
- assert(stream_class);
- trace = bt_ctf_stream_class_get_trace(stream_class);
- assert(trace);
- packet = g_new0(struct bt_ctf_packet, 1);
- if (!packet) {
- goto end;
- }
-
- bt_object_init(packet, bt_ctf_packet_destroy);
- packet->stream = bt_get(stream);
- packet->header = bt_ctf_field_create(trace->packet_header_type);
- if (!packet->header && trace->packet_header_type) {
- BT_PUT(packet);
- goto end;
- }
-
- packet->context = bt_ctf_field_create(
- stream->stream_class->packet_context_type);
- if (!packet->context && stream->stream_class->packet_context_type) {
- BT_PUT(packet);
- goto end;
- }
-
-end:
- BT_PUT(trace);
- BT_PUT(stream_class);
-
- return packet;
-}
projects / babeltrace.git / blobdiff