plugins/trimmer/iterator.c

   1 /*
   2  * iterator.c
   3  *
   4  * Babeltrace Trace Trimmer Iterator
   5  *
   6  * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   7  *
   8  * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
   9  *
  10  * Permission is hereby granted, free of charge, to any person obtaining a copy
  11  * of this software and associated documentation files (the "Software"), to deal
  12  * in the Software without restriction, including without limitation the rights
  13  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  14  * copies of the Software, and to permit persons to whom the Software is
  15  * furnished to do so, subject to the following conditions:
  16  *
  17  * The above copyright notice and this permission notice shall be included in
  18  * all copies or substantial portions of the Software.
  19  *
  20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  21  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  23  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  24  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  25  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  26  * SOFTWARE.
  27  */
  28
  29 #include "trimmer.h"
  30 #include "iterator.h"
  31 #include <babeltrace/plugin/notification/iterator.h>
  32
  33 BT_HIDDEN
  34 enum bt_component_status trimmer_iterator_init(struct bt_component *component,
  35                 struct bt_notification_iterator *iterator)
  36 {
  37         enum bt_component_status ret;
  38         enum bt_notification_iterator_status it_ret;
  39
  40         it_ret = bt_notification_iterator_set_next_cb(iterator,
  41                         trimmer_iterator_next);
  42         if (it_ret) {
  43                 ret = BT_COMPONENT_STATUS_ERROR;
  44                 goto end;
  45         }
  46
  47         it_ret = bt_notification_iterator_set_get_cb(iterator,
  48                         trimmer_iterator_get);
  49         if (it_ret) {
  50                 ret = BT_COMPONENT_STATUS_ERROR;
  51                 goto end;
  52         }
  53
  54         it_ret = bt_notification_iterator_set_seek_time_cb(iterator,
  55                         trimmer_iterator_seek_time);
  56         if (it_ret) {
  57                 ret = BT_COMPONENT_STATUS_ERROR;
  58                 goto end;
  59         }
  60 end:
  61         return ret;
  62 }
  63
  64 BT_HIDDEN
  65 struct bt_notification *trimmer_iterator_get(
  66                 struct bt_notification_iterator *iterator)
  67 {
  68         return NULL;
  69 }
  70
  71 BT_HIDDEN
  72 enum bt_notification_iterator_status trimmer_iterator_next(
  73                 struct bt_notification_iterator *iterator)
  74 {
  75         enum bt_notification_iterator_status ret;
  76
  77         ret = BT_NOTIFICATION_ITERATOR_STATUS_OK;
  78 end:
  79         return ret;
  80 }
  81
  82 BT_HIDDEN
  83 enum bt_notification_iterator_status trimmer_iterator_seek_time(
  84                 struct bt_notification_iterator *iterator, int64_t time)
  85 {
  86         enum bt_notification_iterator_status ret;
  87
  88         ret = BT_NOTIFICATION_ITERATOR_STATUS_OK;
  89 end:
  90         return ret;
  91 }