lib/graph/notification/inactivity.c

   1 /*
   2  * Copyright 2017 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 "NOTIF-INACTIVITY"
  24 #include <babeltrace/lib-logging-internal.h>
  25
  26 #include <babeltrace/object-internal.h>
  27 #include <babeltrace/compiler-internal.h>
  28 #include <babeltrace/ctf-ir/clock-class.h>
  29 #include <babeltrace/ctf-ir/clock-value-internal.h>
  30 #include <babeltrace/graph/notification-internal.h>
  31 #include <babeltrace/graph/notification-inactivity-internal.h>
  32 #include <babeltrace/graph/private-connection-private-notification-iterator.h>
  33 #include <babeltrace/assert-pre-internal.h>
  34
  35 static
  36 void bt_notification_inactivity_destroy(struct bt_object *obj)
  37 {
  38         struct bt_notification_inactivity *notification =
  39                         (struct bt_notification_inactivity *) obj;
  40
  41         BT_LOGD("Destroying inactivity notification: addr=%p", notification);
  42         bt_clock_value_set_finalize(&notification->cv_set);
  43         g_free(notification);
  44 }
  45
  46 struct bt_notification *bt_notification_inactivity_create(
  47                 struct bt_private_connection_private_notification_iterator *notif_iter)
  48 {
  49         struct bt_notification_inactivity *notification;
  50         struct bt_notification *ret_notif = NULL;
  51         int ret;
  52
  53         BT_LOGD_STR("Creating inactivity notification object.");
  54         notification = g_new0(struct bt_notification_inactivity, 1);
  55         if (!notification) {
  56                 BT_LOGE_STR("Failed to allocate one inactivity notification.");
  57                 goto error;
  58         }
  59         bt_notification_init(&notification->parent,
  60                 BT_NOTIFICATION_TYPE_INACTIVITY,
  61                 bt_notification_inactivity_destroy, NULL);
  62         ret_notif = &notification->parent;
  63         ret = bt_clock_value_set_initialize(&notification->cv_set);
  64         if (ret) {
  65                 goto error;
  66         }
  67
  68         BT_LOGD("Created inactivity notification object: addr=%p",
  69                 ret_notif);
  70         goto end;
  71
  72 error:
  73         BT_PUT(ret_notif);
  74
  75 end:
  76         return ret_notif;
  77 }
  78
  79 int bt_notification_inactivity_set_clock_value(struct bt_notification *notif,
  80                 struct bt_clock_class *clock_class, uint64_t raw_value,
  81                 bt_bool is_default)
  82 {
  83         struct bt_notification_inactivity *inactivity = (void *) notif;
  84
  85         BT_ASSERT_PRE_NON_NULL(notif, "Notification");
  86         BT_ASSERT_PRE_NON_NULL(clock_class, "Clock class");
  87         BT_ASSERT_PRE_HOT(notif, "Notification", ": %!+n", notif);
  88         BT_ASSERT_PRE_NOTIF_IS_TYPE(notif, BT_NOTIFICATION_TYPE_INACTIVITY);
  89         BT_ASSERT_PRE(is_default,
  90                 "You can only set a default clock value as of this version.");
  91         return bt_clock_value_set_set_clock_value(&inactivity->cv_set,
  92                 clock_class, raw_value, is_default);
  93 }
  94
  95 struct bt_clock_value *bt_notification_inactivity_borrow_default_clock_value(
  96                 struct bt_notification *notif)
  97 {
  98         struct bt_notification_inactivity *inactivity = (void *) notif;
  99         struct bt_clock_value *clock_value = NULL;
 100
 101         BT_ASSERT_PRE_NON_NULL(notif, "Notification");
 102         BT_ASSERT_PRE_NOTIF_IS_TYPE(notif, BT_NOTIFICATION_TYPE_INACTIVITY);
 103         clock_value = inactivity->cv_set.default_cv;
 104         if (!clock_value) {
 105                 BT_LIB_LOGV("No default clock value: %![notif-]+n", notif);
 106         }
 107
 108         return clock_value;
 109 }