File content as of revision 1:6ec9998427ad:

/*
 * Copyright 2014, ACKme Networks
 * All Rights Reserved.
 *
 * This is UNPUBLISHED PROPRIETARY SOURCE CODE of ACKme Networks;
 * the contents of this file may not be disclosed to third parties, copied
 * or duplicated in any form, in whole or in part, without the prior
 * written permission of ACKme Networks.
 */

#pragma once

#include "Wiconnect.h"
#include "types/PinIrqHandler.h"

namespace wiconnect
{

class SocketIrqHandlerMap
{
public:
    /*************************************************************************************************/
    SocketIrqHandlerMap()
    {
        memset(handlers, 0, sizeof(handlers));
    }

    /*************************************************************************************************/
    ~SocketIrqHandlerMap()
    {
        for(int i = 0; i < WICONNECT_MAX_PIN_IRQ_HANDLERS; ++i)
        {
            if(handlers[i] != NULL)
            {
                handlers[i]->~PinIrqHandler();
            }
        }
    }

    /*************************************************************************************************/
    bool pinIsRegistered(Pin pin)
    {
        for(int i = 0; i < WICONNECT_MAX_PIN_IRQ_HANDLERS; ++i)
        {
            if(handlers[i] != NULL && handlers[i]->irqPin == pin)
            {
                return true;
            }
        }
        return false;
    }

    /*************************************************************************************************/
    WiconnectResult registerHandler(Pin pin, const Callback &callback)
    {
        if(pinIsRegistered(pin))
        {
            return WICONNECT_DUPLICATE;
        }

        PinIrqHandler *handler = NULL;

        for(int i = 0; i < WICONNECT_MAX_PIN_IRQ_HANDLERS; ++i)
        {
            if(handlers[i] == NULL)
            {
                handler = (PinIrqHandler*)&handlerBuffers[i];
                handlers[i] = handler;
            }
        }

        if(handler == NULL)
        {
            return WICONNECT_NOT_FOUND;
        }

        *handler = PinIrqHandler(pin, callback);

        return WICONNECT_SUCCESS;
    }

    /*************************************************************************************************/
    WiconnectResult unregisterHandler(Pin pin)
    {
        for(int i = 0; i < WICONNECT_MAX_PIN_IRQ_HANDLERS; ++i)
        {
            if(handlers[i] != NULL && handlers[i]->irqPin == pin)
            {
                handlers[i]->~PinIrqHandler();
                handlers[i] = NULL;
                return WICONNECT_SUCCESS;
            }
        }

        return WICONNECT_NOT_FOUND;
    }

private:
    PinIrqHandler *handlers[WICONNECT_MAX_PIN_IRQ_HANDLERS];
    PinIrqHandlerBuffer handlerBuffers[WICONNECT_MAX_PIN_IRQ_HANDLERS];
};



}