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 * are permitted provided that the following conditions are met:
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 * list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form, except as embedded into a Nordic
 *    Semiconductor ASA integrated circuit in a product or a software update for
 *    such product, must reproduce the above copyright notice, this list of
 *    conditions and the following disclaimer in the documentation and/or other
 *    materials provided with the distribution.
 *
 * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
 *    contributors may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
 *
 * 4. This software, with or without modification, must only be used with a
 *    Nordic Semiconductor ASA integrated circuit.
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 * 5. Any software provided in binary form under this license must not be reverse
 *    engineered, decompiled, modified and/or disassembled.
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 * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
#include <nrf_error.h>

#include "event.h"
#include "list.h"

/** Linked list of event handlers */
static list_node_t * mp_evt_handlers_head;

void event_handle(nrf_mesh_evt_t * p_evt)
{
    NRF_MESH_ASSERT(p_evt != NULL);

    if(mp_evt_handlers_head != NULL)
    {
        for (list_node_t * p_node = mp_evt_handlers_head;
             p_node != NULL;
             p_node = p_node->p_next)
        {
            nrf_mesh_evt_handler_t * p_handler = LIST_CONTAINER(nrf_mesh_evt_handler_t,
                                                                p_node,
                                                                p_next);

            p_handler->evt_cb(p_evt);
        }
    }
}

void event_handler_add(nrf_mesh_evt_handler_t * p_handler_params)
{
    NRF_MESH_ASSERT(p_handler_params != NULL);
    list_add(&mp_evt_handlers_head, (list_node_t*) &p_handler_params->p_next);
}

void event_handler_remove(nrf_mesh_evt_handler_t * p_handler_params)
{
    NRF_MESH_ASSERT(p_handler_params != NULL);
    /* This function ignores attempts to remove event handlers that are not in the list. */
    (void) list_remove(&mp_evt_handlers_head, (list_node_t*) &p_handler_params->p_next);
}
