MessageListener.h

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/*
* Copyright Onix Solutions Limited [OnixS]. All rights reserved.
*
* This software owned by Onix Solutions Limited [OnixS] and is protected by copyright law
* and international copyright treaties.
*
* Access to and use of the software is governed by the terms of the applicable ONIXS Software
* Services Agreement (the Agreement) and Customer end user license agreements granting
* a non-assignable, non-transferable and non-exclusive license to use the software
* for it's own data processing purposes under the terms defined in the Agreement.
*
* Except as otherwise granted within the terms of the Agreement, copying or reproduction of any part
* of this source code or associated reference material to any other location for further reproduction
* or redistribution, and any amendments to this copyright notice, are expressly prohibited.
*
* Any reproduction or redistribution for sale or hiring of the Software not in accordance with
* the terms of the Agreement is a violation of copyright law.
*/

#pragma once

#include <OnixS/SgxTitan/MarketData/Itch/ABI.h>
#include <OnixS/SgxTitan/MarketData/Itch/Defines.h>
#include <OnixS/SgxTitan/MarketData/Itch/Messages.h>

ONIXS_SGXTITAN_ITCH_NAMESPACE_BEGIN

/// Auxiliary messages listener
class ONIXS_SGXTITAN_ITCH_API MessageListener
{
    public:
        /// is invoke when Gap happens
        virtual void onGap (SequenceNumber expectedSeqNum, SequenceNumber receivedSeqNum) = 0;

        /// is invoking when inactivity happens
        virtual void onInactivity() = 0;

        /// is invoking when end of session event received
        virtual void onEndOfSession() = 0;

        /// is invoked when snapshot recovery started
        virtual void onSnapshotRecoveryStarted() = 0;

        /// is invoked when snapshot recovery finished
        virtual void onSnapshotRecoveryFinished() = 0;
                    

    protected:
        virtual ~MessageListener() {};
};

ONIXS_SGXTITAN_ITCH_NAMESPACE_END