src/common/actions/notify.c

   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_dynamic_buffer *buf)
  22 {
  23         return 0;
  24 }
  25
  26 struct lttng_action *lttng_action_notify_create(void)
  27 {
  28         struct lttng_action_notify *notify;
  29
  30         notify = zmalloc(sizeof(struct lttng_action_notify));
  31         if (!notify) {
  32                 goto end;
  33         }
  34
  35         notify->parent.type = LTTNG_ACTION_TYPE_NOTIFY;
  36         notify->parent.serialize = lttng_action_notify_serialize;
  37         notify->parent.destroy = lttng_action_notify_destroy;
  38 end:
  39         return &notify->parent;
  40 }
  41
  42 ssize_t lttng_action_notify_create_from_buffer(
  43                 const struct lttng_buffer_view *view,
  44                 struct lttng_action **action)
  45 {
  46         ssize_t consumed_length;
  47
  48         *action = lttng_action_notify_create();
  49         if (!*action) {
  50                 consumed_length = -1;
  51                 goto end;
  52         }
  53
  54         consumed_length = 0;
  55 end:
  56         return consumed_length;
  57 }