IEngineListener.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 <OnixS/FIXEngine/ABI.h>
#include <OnixS/FIXEngine/Compiler.h>
 
namespace OnixS {
namespace FIX {
ONIXS_FIXENGINE_API_DECL(class, FlatMessage);
ONIXS_FIXENGINE_API_DECL(class, Session);

struct EngineWarningReason {
    enum Enum {
        GeneralWarning,

        CannotReceiveFirstMessageDuringTimeout,

        GarbledMessageReceived,

        RestoreSessionStateWarning,

        LicenseExpiration
    };
};

struct EngineErrorReason {
    enum Enum {
        BackupError,

        ErrorWhileReadingSentMessages,

        GeneralError,

        InternalError,

        RestoreSessionStateError,

        SetSocketOptionError
    };
};

class ONIXS_FIXENGINE_API IEngineListener
{
public:
    virtual ~IEngineListener() = default;

    virtual void onUnknownIncomingConnection(const FlatMessage & incomingLogon, const int listenPort,
                                             const int counterpartyPort, const std::string & counterpartyIpAddress,
                                             std::string * rejectReason) = 0;

    virtual void onIncomingConnection(ONIXS_FIXENGINE_UNUSED const FlatMessage & incomingLogon, ONIXS_FIXENGINE_UNUSED const int listenPort,
                                      ONIXS_FIXENGINE_UNUSED const int counterpartyPort, ONIXS_FIXENGINE_UNUSED const std::string & counterpartyIpAddress,
                                      ONIXS_FIXENGINE_UNUSED std::string * rejectReason) {};

    virtual void onIncomingTelecommunicationLink(ONIXS_FIXENGINE_UNUSED const int listenPort, ONIXS_FIXENGINE_UNUSED const int counterpartyPort,
                                                 ONIXS_FIXENGINE_UNUSED const std::string & counterpartyIpAddress, ONIXS_FIXENGINE_UNUSED std::string * rejectReason) {};

    virtual void onError(EngineErrorReason::Enum reason, const std::string & description) = 0;

    virtual void onWarning(EngineWarningReason::Enum reason, const std::string & description) = 0;
};
}
}