SessionListener.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/CME/ConflatedTCP/ABI.h>
#include <OnixS/CME/ConflatedTCP/Messaging.h>
#include <OnixS/CME/ConflatedTCP/SessionStateId.h>
 
#include <string>
 
namespace OnixS {
namespace CME {
namespace ConflatedTCP {
 
ONIXS_CONFLATEDTCP_API_DECL(class, Session);

struct SessionWarningReason
{
    enum Enum
    {
        GeneralWarning,

        SequenceGapIsDetected,

        SequenceWithKeepAliveLapsed,

        UnexpectedSbeSchemaVersion,

        UnexpectedPreviousUuid,

        UnsupportedMessageType
    };
};

struct SessionErrorReason
{
    enum Enum
    {
        GeneralError,

        UnexpectedMessageType,

        NegotiationReject,

        EstablishmentReject,

        RetransmitReject,

        TerminateInReplyOnEstablish,

        MsgSeqNumTooLow,

        CannotRestoreConnection,

        CannotEstablishConnection,

        ExceptionDuringProcessingOfIncomingMessage,

        DecodingError,

        ExceptionInEventHandler,

        ResponseTimeoutException,

        KeepAliveIntervalLapsed,

        LinkErrorIsDetected,

        LinkErrorIsDetectedDuringSessionEstablishment,

        UnexpectedNextSeqNo,

        ProgramIsFinishing,

        ExchangeInitiatedTerminateMessage
    };
};

class ONIXS_CONFLATEDTCP_EXPORTED SessionListener
{
public:
    virtual void onNegotiationReject(const Messaging::NegotiationReject201 & /*msg*/, Session * /*sn*/) {}
    virtual void onNegotiationResponse(const Messaging::NegotiationResponse202& /*msg*/, Session* /*sn*/) {}
    virtual void onTerminate(const Messaging::Terminate203& /*msg*/, Session* /*sn*/) {}
    virtual void onRequestAck(const Messaging::RequestAck206& /*msg*/, Session* /*sn*/) {}
    virtual void onRequestReject(const Messaging::RequestReject207& /*msg*/, Session* /*sn*/) {}

    virtual void onOutboundApplicationMsg(const Messaging::SbeMessage& /*msg*/, Session* /*sn*/) {}

    virtual void onOutboundSessionMsg(const Messaging::SbeMessage& /*msg*/, Session * /*sn*/) {}

    virtual void onReceivedBytes(const char * /*bytes*/, size_t /*size*/, Session * /*sn*/) {}

    virtual void onMessageSending(char * /*bytes*/, size_t /*size*/, Session * /*sn*/) {}

    virtual void onStateChange(SessionStateId::Enum /*newState*/, SessionStateId::Enum /*prevState*/, Session * /*sn*/) {}

    virtual void onError(SessionErrorReason::Enum /*reason*/, const std::string & /*description*/, Session * /*sn*/) {}

    virtual void onWarning(SessionWarningReason::Enum /*reason*/, const std::string & /*description*/, Session * /*sn*/) {}
 
    protected:
    virtual ~SessionListener() = 0;
};
 
}
}
}