| 1 | /* |
| 2 | * source.c |
| 3 | * |
| 4 | * Babeltrace Source Component |
| 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/ref.h> |
| 30 | #include <babeltrace/compiler.h> |
| 31 | #include <babeltrace/component/component-source-internal.h> |
| 32 | #include <babeltrace/component/component-internal.h> |
| 33 | #include <babeltrace/component/notification/iterator.h> |
| 34 | #include <babeltrace/component/notification/iterator-internal.h> |
| 35 | |
| 36 | BT_HIDDEN |
| 37 | enum bt_component_status bt_component_source_validate( |
| 38 | struct bt_component *component) |
| 39 | { |
| 40 | enum bt_component_status ret = BT_COMPONENT_STATUS_OK; |
| 41 | |
| 42 | if (!component) { |
| 43 | ret = BT_COMPONENT_STATUS_INVALID; |
| 44 | goto end; |
| 45 | } |
| 46 | |
| 47 | if (!component->class) { |
| 48 | ret = BT_COMPONENT_STATUS_INVALID; |
| 49 | goto end; |
| 50 | } |
| 51 | |
| 52 | if (component->class->type != BT_COMPONENT_CLASS_TYPE_SOURCE) { |
| 53 | ret = BT_COMPONENT_STATUS_INVALID; |
| 54 | goto end; |
| 55 | } |
| 56 | |
| 57 | end: |
| 58 | return ret; |
| 59 | } |
| 60 | |
| 61 | BT_HIDDEN |
| 62 | struct bt_component *bt_component_source_create( |
| 63 | struct bt_component_class *class, struct bt_value *params) |
| 64 | { |
| 65 | struct bt_component_source *source = NULL; |
| 66 | enum bt_component_status ret; |
| 67 | |
| 68 | source = g_new0(struct bt_component_source, 1); |
| 69 | if (!source) { |
| 70 | goto end; |
| 71 | } |
| 72 | |
| 73 | source->parent.class = bt_get(class); |
| 74 | ret = bt_component_init(&source->parent, NULL); |
| 75 | if (ret != BT_COMPONENT_STATUS_OK) { |
| 76 | BT_PUT(source); |
| 77 | goto end; |
| 78 | } |
| 79 | end: |
| 80 | return source ? &source->parent : NULL; |
| 81 | } |
| 82 | |
| 83 | struct bt_notification_iterator *bt_component_source_create_iterator( |
| 84 | struct bt_component *component) |
| 85 | { |
| 86 | return bt_component_create_iterator(component); |
| 87 | } |