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/*
 * MOST NetServices "Light" V3.2.7.0.1796 MultiInstance Patch
 *
 * Copyright (C) 2015 Microchip Technology Germany II GmbH & Co. KG
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * You may also obtain this software under a propriety license from Microchip.
 * Please contact Microchip for further information.
 *
 */

/*!
 * \file
 * \brief Internal header file of the API locking module.
 *
 * \cond MNS_INTERNAL_DOC
 * \addtogroup G_ALM
 * @{
 */

#ifndef MNS_ALM_H
#define MNS_ALM_H

/*------------------------------------------------------------------------------------------------*/
/* Includes                                                                                       */
/*------------------------------------------------------------------------------------------------*/
#include "mns_cfg.h"
#include "mns_eh.h"
#include "mns_timer.h"
#include "mns_obs.h"

#ifdef __cplusplus
extern "C"
{
#endif

/*------------------------------------------------------------------------------------------------*/
/* Type definitions                                                                               */
/*------------------------------------------------------------------------------------------------*/
/*! \brief Bitmask used to store locked API methods */
typedef uint32_t Alm_ModuleMask_t;

/*------------------------------------------------------------------------------------------------*/
/* Structures                                                                                     */
/*------------------------------------------------------------------------------------------------*/
/*! \brief  Class structure of the API locking manager */
typedef struct CApiLockingManager_
{
    CTimerManagement *tm_ptr;           /*!< \brief Reference to timer management instance */
    CEventHandler *eh_ptr;              /*!< \brief Reference to event handler instance */
    CTimer garbage_collector;           /*!< \brief Timer for garbage collection */
    CDlList api_list;                   /*!< \brief List of registered APIs */
    uint8_t mns_inst_id;                /*!< \brief MOST NetServices instance ID */
    CMaskedObserver internal_error_obs; /*!< \brief Error observer to handle internal errors and 
                                                    events */

} CApiLockingManager;

/*! \brief  Class structure of the API locking */
typedef struct CApiLocking_
{
    CDlNode node;                       /*!< \brief Node of the doubly linked (API-) list */
    CApiLockingManager *alm_ptr;        /*!< \brief Reference to CApiLockingManager instance */
    Alm_ModuleMask_t method_mask;       /*!< \brief Bitmask which holds locked API methods */
    Alm_ModuleMask_t timeout_mask;      /*!< \brief Bitmask to report timeouts */
    CSingleSubject subject;             /*!< \brief Subject to update registered observer */
    uint8_t mns_inst_id;                /*!< \brief MOST NetServices instance ID */

} CApiLocking;

/*------------------------------------------------------------------------------------------------*/
/* Prototypes of class CApiLockingManager                                                         */
/*------------------------------------------------------------------------------------------------*/
extern void Alm_Ctor(CApiLockingManager *self,
                     CTimerManagement *tm_ptr,
                     CEventHandler *eh_ptr,
                     uint8_t mns_inst_id);
extern void Alm_RegisterApi(CApiLockingManager *self, CApiLocking *al_ptr);

/*------------------------------------------------------------------------------------------------*/
/* Prototypes of class CApiLocking                                                                */
/*------------------------------------------------------------------------------------------------*/
extern void Al_Ctor(CApiLocking *self, CSingleObserver *obs_ptr, uint8_t mns_inst_id);
extern bool Al_Lock(CApiLocking *self, Alm_ModuleMask_t method);
extern void Al_Release(CApiLocking *self, Alm_ModuleMask_t method);

#ifdef __cplusplus
}   /* extern "C" */
#endif

#endif  /* #ifndef MNS_ALM_H */

/*!
 * @}
 * \endcond
 */

/*------------------------------------------------------------------------------------------------*/
/* End of file                                                                                    */
/*------------------------------------------------------------------------------------------------*/