tests/lib/test-plugin-plugins/sfs.c

   1 /*
   2  * Copyright (c) 2017 Philippe Proulx <pproulx@efficios.com>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; under version 2 of the License.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  16  */
  17
  18 #include <babeltrace/plugin/plugin-dev.h>
  19 #include <babeltrace/component/component.h>
  20
  21 static int sink_value = 42;
  22
  23 static enum bt_component_status sink_run(struct bt_component *component)
  24 {
  25         return BT_COMPONENT_STATUS_OK;
  26 }
  27
  28 static enum bt_component_status comp_class_sink_init(
  29                 struct bt_component *component, struct bt_value *params)
  30 {
  31         enum bt_component_status ret;
  32
  33         ret = bt_component_set_private_data(component, &sink_value);
  34         if (ret != BT_COMPONENT_STATUS_OK) {
  35                 return BT_COMPONENT_STATUS_ERROR;
  36         }
  37
  38         ret = bt_component_sink_set_consume_cb(component, sink_run);
  39         if (ret != BT_COMPONENT_STATUS_OK) {
  40                 return BT_COMPONENT_STATUS_ERROR;
  41         }
  42
  43         return BT_COMPONENT_STATUS_OK;
  44 }
  45
  46 static enum bt_component_status comp_class_dummy_init(
  47                 struct bt_component *component, struct bt_value *params)
  48 {
  49         return BT_COMPONENT_STATUS_OK;
  50 }
  51
  52 BT_PLUGIN(test_sfs);
  53 BT_PLUGIN_DESCRIPTION("Babeltrace plugin with source, sink, and filter component classes");
  54 BT_PLUGIN_AUTHOR("Janine Sutto");
  55 BT_PLUGIN_LICENSE("Beerware");
  56
  57 BT_PLUGIN_COMPONENT_CLASS(BT_COMPONENT_TYPE_SOURCE, source, comp_class_dummy_init);
  58 BT_PLUGIN_COMPONENT_CLASS_DESCRIPTION(BT_COMPONENT_TYPE_SOURCE, source, "A source.");
  59
  60 BT_PLUGIN_COMPONENT_CLASS(BT_COMPONENT_TYPE_SINK, sink, comp_class_sink_init);
  61 BT_PLUGIN_COMPONENT_CLASS_DESCRIPTION(BT_COMPONENT_TYPE_SINK, sink, "A sink.");
  62
  63 BT_PLUGIN_COMPONENT_CLASS(BT_COMPONENT_TYPE_FILTER, filter, comp_class_dummy_init);
  64 BT_PLUGIN_COMPONENT_CLASS_DESCRIPTION(BT_COMPONENT_TYPE_FILTER, filter, "A filter.");