ISessionStorage.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 <string>
#include <vector>
 
#include <OnixS/FIXEngine/Compiler.h>
#include <OnixS/FIXEngine/FIX/Timestamp.h>
#include <OnixS/FIXEngine/FIX/Message.h>
#include <OnixS/FIXEngine/FIX/FlatMessage.h>
 
namespace OnixS {
namespace FIX {
class ONIXS_FIXENGINE_API ISessionStorage
{
public:
    virtual ~ISessionStorage() = default;

    virtual void clear() = 0;

    virtual void close(bool keepSequenceNumbers, bool doBackup) = 0;

    struct ONIXS_FIXENGINE_API RawMessagePointer {
        RawMessagePointer();
 
        RawMessagePointer(const char * buffer, size_t length);

        const char * buffer_;
 
        size_t length_;
    };

    class ISessionStorageListener
    {
    public:
        virtual ~ISessionStorageListener() = default;

        virtual void onReplayedMessage(const RawMessagePointer & pointer) = 0;
    };

    virtual void getOutbound(SequenceNumber beginSequenceNumber, SequenceNumber endSequenceNumber,  ISessionStorageListener * listener) = 0;

    virtual SequenceNumber inSeqNum() = 0;

    virtual void inSeqNum(SequenceNumber messageSequenceNumber) = 0;

    virtual void storeInbound(const Message & message, SequenceNumber sequenceNumber, const RawMessagePointer & pointer, bool logMessage) = 0;

    virtual void storeInbound(const FlatMessage & message, SequenceNumber sequenceNumber, const RawMessagePointer & pointer, bool logMessage) = 0;

    virtual void storeOutbound(const Message & message, const RawMessagePointer & pointer, bool logMessage) = 0;

    virtual void storeOutbound(const FlatMessage & message, SequenceNumber sequenceNumber, const RawMessagePointer & pointer, bool logMessage) = 0;

    virtual void setSessionTerminationFlag(bool terminated) = 0;

    virtual SequenceNumber outSeqNum() = 0;

    virtual void outSeqNum(SequenceNumber messageSequenceNumber) = 0;

    virtual void sessionCreationTime(Timestamp timestamp) = 0;

    virtual Timestamp sessionCreationTime() = 0;

    virtual void flush() = 0;

    virtual size_t resendingQueueSize() const = 0;

    virtual void resendingQueueSize(size_t value) = 0;

    virtual void warmup(size_t /*messageSize*/) {}
};
}
}