lib/ctf-ir/packet-context-field.c

   1 /*
   2  * Copyright 2018 Philippe Proulx <pproulx@efficios.com>
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a copy
   5  * of this software and associated documentation files (the "Software"), to deal
   6  * in the Software without restriction, including without limitation the rights
   7  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   8  * copies of the Software, and to permit persons to whom the Software is
   9  * furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  17  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  19  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  20  * SOFTWARE.
  21  */
  22
  23 #define BT_LOG_TAG "PACKET-CONTEXT-FIELD"
  24 #include <babeltrace/lib-logging-internal.h>
  25
  26 #include <babeltrace/assert-pre-internal.h>
  27 #include <babeltrace/ctf-ir/packet-context-field.h>
  28 #include <babeltrace/ctf-ir/fields-internal.h>
  29 #include <babeltrace/ctf-ir/field-wrapper-internal.h>
  30 #include <glib.h>
  31
  32 struct bt_field *bt_packet_context_field_borrow_field(
  33                 struct bt_packet_context_field *context_field)
  34 {
  35         struct bt_field_wrapper *field_wrapper = (void *) context_field;
  36
  37         BT_ASSERT_PRE_NON_NULL(field_wrapper, "Packet context field");
  38         BT_ASSERT_PRE_NON_NULL(field_wrapper->field,
  39                 "Packet context field's field object");
  40         return (void *) field_wrapper->field;
  41 }
  42
  43 void bt_packet_context_field_release(struct bt_packet_context_field *context_field)
  44 {
  45         struct bt_field_wrapper *field_wrapper = (void *) context_field;
  46
  47         BT_ASSERT_PRE_NON_NULL(field_wrapper, "Packet context field");
  48
  49         /*
  50          * Do not recycle because the pool could be destroyed at this
  51          * point. This function is only called when there's an error
  52          * anyway because the goal of a packet context field wrapper is
  53          * to eventually move it to a packet with bt_packet_move_context()
  54          * after creating it.
  55          */
  56         bt_field_wrapper_destroy(field_wrapper);
  57 }