| 1 | /* |
| 2 | * Copyright (C) 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
| 3 | * |
| 4 | * SPDX-License-Identifier: LGPL-2.1-only |
| 5 | * |
| 6 | */ |
| 7 | |
| 8 | #include <lttng/action/action-internal.h> |
| 9 | #include <lttng/action/notify-internal.h> |
| 10 | #include <common/macros.h> |
| 11 | #include <assert.h> |
| 12 | |
| 13 | static |
| 14 | void lttng_action_notify_destroy(struct lttng_action *action) |
| 15 | { |
| 16 | free(action); |
| 17 | } |
| 18 | |
| 19 | static |
| 20 | int lttng_action_notify_serialize(struct lttng_action *action, |
| 21 | struct lttng_payload *payload) |
| 22 | { |
| 23 | return 0; |
| 24 | } |
| 25 | |
| 26 | static |
| 27 | bool lttng_action_notify_is_equal(const struct lttng_action *a, |
| 28 | const struct lttng_action *b) |
| 29 | { |
| 30 | /* There is no discriminant between notify actions. */ |
| 31 | return true; |
| 32 | } |
| 33 | |
| 34 | struct lttng_action *lttng_action_notify_create(void) |
| 35 | { |
| 36 | struct lttng_action_notify *notify; |
| 37 | |
| 38 | notify = zmalloc(sizeof(struct lttng_action_notify)); |
| 39 | if (!notify) { |
| 40 | goto end; |
| 41 | } |
| 42 | |
| 43 | lttng_action_init(¬ify->parent, LTTNG_ACTION_TYPE_NOTIFY, NULL, |
| 44 | lttng_action_notify_serialize, |
| 45 | lttng_action_notify_is_equal, |
| 46 | lttng_action_notify_destroy); |
| 47 | end: |
| 48 | return ¬ify->parent; |
| 49 | } |
| 50 | |
| 51 | ssize_t lttng_action_notify_create_from_payload( |
| 52 | struct lttng_payload_view *view, |
| 53 | struct lttng_action **action) |
| 54 | { |
| 55 | ssize_t consumed_length; |
| 56 | |
| 57 | *action = lttng_action_notify_create(); |
| 58 | if (!*action) { |
| 59 | consumed_length = -1; |
| 60 | goto end; |
| 61 | } |
| 62 | |
| 63 | consumed_length = 0; |
| 64 | end: |
| 65 | return consumed_length; |
| 66 | } |