Replay.h

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// Copyright 2005-2012 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/Eurex/MarketData/ABI.h>
#include <OnixS/Eurex/MarketData/Compiler.h>
 
namespace OnixS
{
    namespace Eurex
    {
        namespace MarketData
        {
            namespace Implementation { struct PcapReplayHelper; }

            typedef std::vector<std::string> FilesList;

            class ONIXS_EUREX_EMDI_API ReplayListener
            {
                public:
                    virtual void onReplayError (const std::string& errorDescription) = 0;

                    virtual void onReplayFinished() = 0;
 
                protected:
                    virtual ~ReplayListener();
            };

            struct ONIXS_EUREX_EMDI_API ReplayMode
            {
                enum Enum
                {
                    ConstantPacketReplayDelay = 1,

                    NaturalPacketReplayDelay = 2
                };
            };

            void ONIXS_EUREX_EMDI_API gatherFiles(FilesList* gatheredFiles, const std::string& root, const std::string& extension);

            inline
            void gatherLogs(FilesList* gatheredLogs, const std::string& root)
            {
                gatherFiles(gatheredLogs, root, ".log");
            }

            struct ReplayOptions
            {
                FilesList logs;

                ReplayListener* listener;

                unsigned int packetReplayDelay;

                float playSpeedMultiplier;

                ReplayMode::Enum replayMode;

                ReplayOptions()
                    : listener(defaultReplayListener())
                    , packetReplayDelay(0)
                    , playSpeedMultiplier(1)
                    , replayMode(ReplayMode::ConstantPacketReplayDelay)
                {
                }

                explicit
                ReplayOptions (const std::string& filesRoot, const std::string& filesExtension = ".log")
                    : listener(defaultReplayListener())
                    , packetReplayDelay(0)
                    , playSpeedMultiplier(1)
                    , replayMode(ReplayMode::ConstantPacketReplayDelay)
                {
                    gatherFiles(&logs, filesRoot, filesExtension);
                }
 
            private:
                ONIXS_EUREX_EMDI_API static ReplayListener* defaultReplayListener();
            };

            struct ONIXS_EUREX_EMDI_API NoDelayReplay : public ReplayOptions
            {
                explicit NoDelayReplay(const std::string& filesRoot, const std::string& filesExtension = ".log");

                NoDelayReplay();
            };

            struct ONIXS_EUREX_EMDI_API OriginalDelayReplay : public ReplayOptions
            {
                explicit OriginalDelayReplay(const std::string& filesRoot, const std::string& filesExtension = ".log");

                OriginalDelayReplay();
            };

            struct ONIXS_EUREX_EMDI_API X2SpeedReplay : public ReplayOptions
            {
                explicit X2SpeedReplay(const std::string& filesRoot, const std::string& filesExtension = ".log");

                X2SpeedReplay();
            };
 
 
            inline
            NoDelayReplay::NoDelayReplay(const std::string& filesRoot, const std::string& filesExtension)
                : ReplayOptions(filesRoot, filesExtension)
            {
                replayMode = ReplayMode::ConstantPacketReplayDelay;
                packetReplayDelay = 0;
                playSpeedMultiplier = 0;
            }
 
            inline
            NoDelayReplay::NoDelayReplay()
            {
                replayMode = ReplayMode::ConstantPacketReplayDelay;
                packetReplayDelay = 0;
                playSpeedMultiplier = 0;
            }
 
            inline
            OriginalDelayReplay::OriginalDelayReplay(const std::string& filesRoot, const std::string& filesExtension)
                : ReplayOptions(filesRoot, filesExtension)
            {
                replayMode = ReplayMode::NaturalPacketReplayDelay;
                packetReplayDelay = 0;
                playSpeedMultiplier = 1;
            }
 
            inline
            OriginalDelayReplay::OriginalDelayReplay()
            {
                replayMode = ReplayMode::NaturalPacketReplayDelay;
                packetReplayDelay = 0;
                playSpeedMultiplier = 1;
            }
 
            inline
            X2SpeedReplay::X2SpeedReplay (const std::string& filesRoot, const std::string& filesExtension)
                : ReplayOptions(filesRoot, filesExtension)
            {
                replayMode = ReplayMode::NaturalPacketReplayDelay;
                packetReplayDelay = 0;
                playSpeedMultiplier = 2;
            }
 
            inline
            X2SpeedReplay::X2SpeedReplay()
            {
                replayMode = ReplayMode::NaturalPacketReplayDelay;
                packetReplayDelay = 0;
                playSpeedMultiplier = 2;
            }
        }
    }
}