src/lib/graph/message/message.c

   1 /*
   2  * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
   3  * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a copy
   6  * of this software and associated documentation files (the "Software"), to deal
   7  * in the Software without restriction, including without limitation the rights
   8  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   9  * copies of the Software, and to permit persons to whom the Software is
  10  * furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be included in
  13  * all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  18  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  21  * SOFTWARE.
  22  */
  23
  24 #define BT_LOG_TAG "MSG"
  25 #include "lib/lib-logging.h"
  26
  27 #include "common/assert.h"
  28 #include "lib/assert-pre.h"
  29 #include <babeltrace2/graph/message-const.h>
  30 #include "lib/graph/message/message.h"
  31 #include "lib/graph/graph.h"
  32
  33 BT_HIDDEN
  34 void bt_message_init(struct bt_message *message,
  35                 enum bt_message_type type,
  36                 bt_object_release_func release,
  37                 struct bt_graph *graph)
  38 {
  39         BT_ASSERT(type >= 0 && type <= BT_MESSAGE_TYPE_DISCARDED_PACKETS);
  40         message->type = type;
  41         bt_object_init_shared(&message->base, release);
  42         message->graph = graph;
  43
  44         if (graph) {
  45                 bt_graph_add_message(graph, message);
  46         }
  47 }
  48
  49 enum bt_message_type bt_message_get_type(
  50                 const struct bt_message *message)
  51 {
  52         BT_ASSERT_PRE_NON_NULL(message, "Message");
  53         return message->type;
  54 }
  55
  56 BT_HIDDEN
  57 void bt_message_unlink_graph(struct bt_message *msg)
  58 {
  59         BT_ASSERT(msg);
  60         msg->graph = NULL;
  61 }
  62
  63 void bt_message_get_ref(const struct bt_message *message)
  64 {
  65         bt_object_get_ref(message);
  66 }
  67
  68 void bt_message_put_ref(const struct bt_message *message)
  69 {
  70         bt_object_put_ref(message);
  71 }