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 <OnixS/B3/MarketData/UMDF/ABI.h>
 
#include <vector>
#include <string>
 
namespace OnixS
{
    namespace B3
    {
        namespace MarketData
        {
            namespace UMDF
            {
                typedef std::vector<std::string> HandlerLogs;

                typedef std::vector<std::string>::iterator HandlerLogsEntry;

                class ONIXS_B3_UMDF_MD_API ReplayListener
                {
                    public:
                        virtual void onReplayError (const std::string& errorDescription) = 0;

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

                struct ONIXS_B3_UMDF_MD_API ReplayMode
                {
                    enum Enum
                    {
                        ConstantPacketReplayDelay = 1,

                        NaturalPacketReplayDelay = 2
                    };
                };
 

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

                void ONIXS_B3_UMDF_MD_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 files;

                    ReplayListener* listener;

                    unsigned int packetReplayDelay = 0;

                    float playSpeedMultiplier = 0.0f;

                    ReplayMode::Enum replayMode = ReplayMode::ConstantPacketReplayDelay;

                    ReplayOptions()
                      : listener(defaultReplayListener())
                    {
                    }

                    explicit
                    ReplayOptions (const std::string& filesRoot, const std::string& extension = ".log")
                      : listener(defaultReplayListener())
                    {
                        gatherFiles(&files, filesRoot, extension);
                    }
 
                private:
                    ONIXS_B3_UMDF_MD_API static ReplayListener* defaultReplayListener();
                };
            }
        }
    }
}