lib/component/input.c

   1 /*
   2  * input.c
   3  *
   4  * Babeltrace Component Input
   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 <babeltrace/component/input.h>
  30 #include <babeltrace/ref.h>
  31
  32 BT_HIDDEN
  33 int component_input_init(struct component_input *input)
  34 {
  35         input->min_count = 1;
  36         input->max_count = 1;
  37         input->iterators = g_ptr_array_new_with_free_func(bt_put);
  38         if (!input->iterators) {
  39                 return 1;
  40         }
  41         return 0;
  42 }
  43
  44 BT_HIDDEN
  45 int component_input_validate(struct component_input *input)
  46 {
  47         if (input->min_count > input->max_count) {
  48                 printf_error("Invalid component configuration; minimum input count > maximum input count.");
  49                 return 1;
  50         }
  51         return 0;
  52 }
  53
  54 BT_HIDDEN
  55 void component_input_fini(struct component_input *input)
  56 {
  57         g_ptr_array_free(input->iterators, TRUE);
  58 }