projects / babeltrace.git / blame
| Commit | Line | Data |
|---|---|---|
| cab3f160 JG |
1 | /* |
| 2 | * trimmer.c | |
| 3 | * | |
| 4 | * Babeltrace Trace Trimmer | |
| 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/plugin/plugin-macros.h> | |
| 30 | #include <babeltrace/plugin/component.h> | |
| 31 | #include <babeltrace/plugin/filter.h> | |
| 32 | #include <babeltrace/plugin/notification/notification.h> | |
| 33 | #include <babeltrace/plugin/notification/iterator.h> | |
| 34 | #include <babeltrace/plugin/notification/event.h> | |
| 35 | #include "trimmer.h" | |
| 36 | #include "iterator.h" | |
| 37 | ||
| 38 | static | |
| 39 | void destroy_trimmer_data(struct trimmer *trimmer) | |
| 40 | { | |
| 41 | g_free(trimmer); | |
| 42 | } | |
| 43 | ||
| 44 | static | |
| 45 | struct trimmer *create_trimmer_data(void) | |
| 46 | { | |
| 47 | struct trimmer *trimmer; | |
| 48 | ||
| 49 | trimmer = g_new0(struct trimmer, 1); | |
| 50 | if (!trimmer) { | |
| 51 | goto end; | |
| 52 | } | |
| 53 | end: | |
| 54 | return trimmer; | |
| 55 | } | |
| 56 | ||
| 57 | static | |
| 58 | void destroy_trimmer(struct bt_component *component) | |
| 59 | { | |
| 60 | void *data = bt_component_get_private_data(component); | |
| 61 | ||
| 62 | destroy_trimmer_data(data); | |
| 63 | } | |
| 64 | ||
| 65 | enum bt_component_status trimmer_component_init( | |
| 66 | struct bt_component *component, struct bt_value *params) | |
| 67 | { | |
| 68 | enum bt_component_status ret; | |
| 69 | struct trimmer *trimmer = create_trimmer_data(); | |
| 70 | ||
| 71 | if (!trimmer) { | |
| 72 | ret = BT_COMPONENT_STATUS_NOMEM; | |
| 73 | goto end; | |
| 74 | } | |
| 75 | ||
| 76 | ret = bt_component_set_destroy_cb(component, | |
| 77 | destroy_trimmer); | |
| 78 | if (ret != BT_COMPONENT_STATUS_OK) { | |
| 79 | goto error; | |
| 80 | } | |
| 81 | ||
| 82 | ret = bt_component_set_private_data(component, trimmer); | |
| 83 | if (ret != BT_COMPONENT_STATUS_OK) { | |
| 84 | goto error; | |
| 85 | } | |
| 86 | ||
| 87 | ret = bt_component_filter_set_iterator_init_cb(component, | |
| 88 | trimmer_iterator_init); | |
| 89 | if (ret != BT_COMPONENT_STATUS_OK) { | |
| 90 | goto error; | |
| 91 | } | |
| 92 | end: | |
| 93 | return ret; | |
| 94 | error: | |
| 95 | destroy_trimmer_data(trimmer); | |
| 96 | return ret; | |
| 97 | } | |
| 98 | ||
| 99 | /* Initialize plug-in entry points. */ | |
| 100 | BT_PLUGIN_NAME("trimmer"); | |
| 101 | BT_PLUGIN_DESCRIPTION("Babeltrace Trace Trimmer Plug-In."); | |
| 102 | BT_PLUGIN_AUTHOR("Jérémie Galarneau"); | |
| 103 | BT_PLUGIN_LICENSE("MIT"); | |
| 104 | ||
| 105 | BT_PLUGIN_COMPONENT_CLASSES_BEGIN | |
| 106 | BT_PLUGIN_FILTER_COMPONENT_CLASS_ENTRY("trimmer", | |
| 107 | "Ensure that trace notifications outside of a given range are filtered-out.", | |
| 108 | trimmer_component_init) | |
| 109 | BT_PLUGIN_COMPONENT_CLASSES_END |