lib/graph/message/message-iterator-inactivity.c

   1 /*
   2  * Copyright 2017-2018 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 "MSG-MESSAGE-ITERATOR-INACTIVITY"
  24 #include <babeltrace2/lib-logging-internal.h>
  25
  26 #include <babeltrace2/assert-pre-internal.h>
  27 #include <babeltrace2/object-internal.h>
  28 #include <babeltrace2/compiler-internal.h>
  29 #include <babeltrace2/trace-ir/clock-class.h>
  30 #include <babeltrace2/trace-ir/clock-snapshot-internal.h>
  31 #include <babeltrace2/graph/message-internal.h>
  32 #include <babeltrace2/graph/message-message-iterator-inactivity-const.h>
  33 #include <babeltrace2/graph/message-message-iterator-inactivity.h>
  34 #include <babeltrace2/graph/message-message-iterator-inactivity-internal.h>
  35
  36 static
  37 void bt_message_message_iterator_inactivity_destroy(struct bt_object *obj)
  38 {
  39         struct bt_message_message_iterator_inactivity *message =
  40                         (struct bt_message_message_iterator_inactivity *) obj;
  41
  42         BT_LIB_LOGD("Destroying message iterator inactivity message: %!+n",
  43                         message);
  44
  45         if (message->default_cs) {
  46                 bt_clock_snapshot_recycle(message->default_cs);
  47                 message->default_cs = NULL;
  48         }
  49
  50         g_free(message);
  51 }
  52
  53 struct bt_message *bt_message_message_iterator_inactivity_create(
  54                 struct bt_self_message_iterator *self_msg_iter,
  55                 const struct bt_clock_class *default_clock_class,
  56                 uint64_t value_cycles)
  57 {
  58         struct bt_self_component_port_input_message_iterator *msg_iter =
  59                 (void *) self_msg_iter;
  60         struct bt_message_message_iterator_inactivity *message;
  61         struct bt_message *ret_msg = NULL;
  62
  63         BT_ASSERT_PRE_NON_NULL(msg_iter, "Message iterator");
  64         BT_ASSERT_PRE_NON_NULL(default_clock_class, "Default clock class");
  65         BT_LIB_LOGD("Creating message iterator inactivity message object: "
  66                 "%![iter-]+i, %![default-cc-]+K, value=%" PRIu64, msg_iter,
  67                 default_clock_class, value_cycles);
  68         message = g_new0(struct bt_message_message_iterator_inactivity, 1);
  69         if (!message) {
  70                 BT_LOGE_STR("Failed to allocate one message iterator "
  71                                 "inactivity message.");
  72                 goto error;
  73         }
  74         bt_message_init(&message->parent,
  75                 BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY,
  76                 bt_message_message_iterator_inactivity_destroy, NULL);
  77         ret_msg = &message->parent;
  78         message->default_cs = bt_clock_snapshot_create(
  79                 (void *) default_clock_class);
  80         if (!message->default_cs) {
  81                 goto error;
  82         }
  83         bt_clock_snapshot_set_raw_value(message->default_cs, value_cycles);
  84
  85         BT_LIB_LOGD("Created message iterator inactivity message object: %!+n",
  86                         ret_msg);
  87         goto end;
  88
  89 error:
  90         BT_OBJECT_PUT_REF_AND_RESET(ret_msg);
  91
  92 end:
  93         return (void *) ret_msg;
  94 }
  95
  96 extern const struct bt_clock_snapshot *
  97 bt_message_message_iterator_inactivity_borrow_default_clock_snapshot_const(
  98                 const bt_message *msg)
  99 {
 100         struct bt_message_message_iterator_inactivity *inactivity = (void *) msg;
 101
 102         BT_ASSERT_PRE_NON_NULL(msg, "Message");
 103         BT_ASSERT_PRE_MSG_IS_TYPE(msg, BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY);
 104         return inactivity->default_cs;
 105 }