plugins/source.c

   1 /*
   2  * source.c
   3  *
   4  * Babeltrace Source Plugin
   5  *
   6  * Copyright 2015 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/plugin/source-internal.h>
  30 #include <babeltrace/plugin/plugin-internal.h>
  31
  32 static
  33 void bt_plugin_source_destroy(struct bt_plugin *plugin)
  34 {
  35         struct bt_plugin_source *source;
  36
  37         if (!plugin) {
  38                 return;
  39         }
  40
  41         source = container_of(plugin, struct bt_plugin_source, parent);
  42         g_free(source);
  43 }
  44
  45 struct bt_plugin *bt_plugin_source_create(const char *name,
  46                 void *private_data, bt_plugin_destroy_func destroy_func,
  47                 bt_plugin_source_iterator_create_cb iterator_create_cb)
  48 {
  49         struct bt_plugin_source *source = NULL;
  50         enum bt_plugin_status ret;
  51
  52         if (!iterator_create_cb) {
  53                 goto end;
  54         }
  55
  56         source = g_new0(struct bt_plugin_source, 1);
  57         if (!source) {
  58                 goto end;
  59         }
  60
  61         ret = bt_plugin_init(&source->parent, name, private_data,
  62                 destroy_func, BT_PLUGIN_TYPE_SOURCE, bt_plugin_source_destroy);
  63         if (ret != BT_PLUGIN_STATUS_OK) {
  64                 g_free(source);
  65                 source = NULL;
  66                 goto end;
  67         }
  68
  69         source->create_iterator = iterator_create_cb;
  70 end:
  71         return source ? &source->parent : NULL;
  72 }