/*
 *  Copyright (c) 2016, The OpenThread Authors.
 *  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *  1. Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *  2. Redistributions in binary form 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 the copyright holder nor the
 *     names of its contributors may be used to endorse or promote products
 *     derived from this software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 *  POSSIBILITY OF SUCH DAMAGE.
 */

/**
 * @file
 * @brief
 *  This file defines the structure of the variables required for all instances of OpenThread API.
 */

#ifndef OPENTHREADINSTANCE_H_
#define OPENTHREADINSTANCE_H_

#include <stdint.h>
#include <stdbool.h>

#include <openthread-core-config.h>
#include <openthread-types.h>
#include <crypto/mbedtls.hpp>
#include <net/ip6.hpp>
#include <thread/thread_netif.hpp>
#include <coap/coap_server.hpp>

/**
 * This type represents all the static / global variables used by OpenThread allocated in one place.
 */
typedef struct otInstance
{
    //
    // Callbacks
    //

    Thread::Ip6::NetifCallback mNetifCallback[OPENTHREAD_CONFIG_MAX_STATECHANGE_HANDLERS];

    otReceiveIp6DatagramCallback mReceiveIp6DatagramCallback;
    void *mReceiveIp6DatagramCallbackContext;

    otHandleActiveScanResult mActiveScanCallback;
    void *mActiveScanCallbackContext;

    otHandleEnergyScanResult mEnergyScanCallback;
    void *mEnergyScanCallbackContext;

    //
    // State
    //

#ifndef OPENTHREAD_MULTIPLE_INSTANCE
    Thread::Crypto::MbedTls mMbedTls;
#endif
    Thread::Ip6::Ip6 mIp6;
    Thread::ThreadNetif mThreadNetif;

#if OPENTHREAD_ENABLE_APPLICATION_COAP
    Thread::Coap::Server mApplicationCoapServer;
#endif // OPENTHREAD_ENABLE_APPLICATION_COAP

    // Constructor
    otInstance(void);

} otInstance;

static inline otInstance *otInstanceFromIp6(Thread::Ip6::Ip6 *aIp6)
{
    return (otInstance *)CONTAINING_RECORD(aIp6, otInstance, mIp6);
}

static inline otInstance *otInstanceFromThreadNetif(Thread::ThreadNetif *aThreadNetif)
{
    return (otInstance *)CONTAINING_RECORD(aThreadNetif, otInstance, mThreadNetif);
}

#endif  // OPENTHREADINSTANCE_H_
