plugins/ctf/ctf-reader/reader.c

   1 /*
   2  * reader.c
   3  *
   4  * Babeltrace CTF Reader 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/plugin-lib.h>
  30 #include <babeltrace/plugin/plugin-system.h>
  31 #include <babeltrace/plugin/plugin.h>
  32 #include <glib.h>
  33 #include <stdio.h>
  34
  35 const char *plugin_name = "ctf";
  36
  37 struct ctf_reader {
  38         int a;
  39 };
  40
  41 enum bt_plugin_type bt_plugin_lib_get_type(void)
  42 {
  43         return BT_PLUGIN_TYPE_SOURCE;
  44 }
  45
  46 const char *bt_plugin_lib_get_format_name(void)
  47 {
  48         return plugin_name;
  49 }
  50
  51 static
  52 void ctf_reader_destroy(struct bt_plugin *plugin)
  53 {
  54         struct ctf_reader *reader;
  55
  56         if (!plugin) {
  57                 return;
  58         }
  59
  60         reader = bt_plugin_get_private_data(plugin);
  61         if (!reader) {
  62                 return;
  63         }
  64
  65         g_free(reader);
  66 }
  67
  68 static
  69 struct bt_notification_iterator *ctf_reader_iterator_create(
  70                 struct bt_plugin *plugin)
  71 {
  72         return NULL;
  73 }
  74
  75 struct bt_plugin *bt_plugin_lib_create(struct bt_object *params)
  76 {
  77         struct bt_plugin *plugin = NULL;
  78         struct ctf_reader *reader = g_new0(struct ctf_reader, 1);
  79
  80         plugin = bt_plugin_source_create(plugin_name, reader,
  81                 ctf_reader_destroy, ctf_reader_iterator_create);
  82         if (!plugin) {
  83                 goto error;
  84         }
  85
  86 end:
  87         return plugin;
  88 error:
  89         if (reader) {
  90                 g_free(reader);
  91         }
  92         goto end;
  93 }