FeedEngine.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/HKEX/MarketData/Omdc/ABI.h>
#include <OnixS/HKEX/MarketData/Omdc/Integral.h>
#include <OnixS/HKEX/MarketData/Omdc/Defines.h>
 
#include <string>
 
namespace OnixS
{
    namespace HKEX
    {
        namespace MarketData
        {
            namespace Omdc
            {
                class ONIXS_HKEX_OMDC_API FeedEngineSettings
                {
                    ThreadAffinity threadAffinity_;
 
                    UInt32 threadCount_;
 
                    UInt32 dataWaitTime_;
                    UInt32 spinBeforeIdleTime_;
 
                    UInt32 socketBufferSize_;
 
                public:
                    FeedEngineSettings();

                    const ThreadAffinity& threadAffinity() const
                    {
                        return threadAffinity_;
                    }

                    ThreadAffinity& threadAffinity()
                    {
                        return threadAffinity_;
                    }

                    UInt32 threadCount() const
                    {
                        return threadCount_;
                    }

                    void threadCount(UInt32 value)
                    {
                        threadCount_ = value;
                    }

                    UInt32 dataWaitTime() const
                    {
                        return dataWaitTime_;
                    }

                    void dataWaitTime(UInt32 value)
                    {
                        dataWaitTime_ = value;
                    }

                    UInt32 spinBeforeIdleTime() const
                    {
                        return spinBeforeIdleTime_;
                    }

                    void spinBeforeIdleTime(UInt32 value)
                    {
                        spinBeforeIdleTime_ = value;
                    }

                    UInt32 socketBufferSize() const
                    {
                        return socketBufferSize_;
                    }

                    void socketBufferSize(UInt32 value)
                    {
                        socketBufferSize_ = value;
                    }

                    std::string toString() const;
                };
 
                ONIXS_HKEX_OMDC_API std::ostream& operator << (std::ostream& stream, const FeedEngineSettings& settings);

                struct FeedEngineThreadIdle
                {
                    enum Reason
                    {
                        DataWaitTimeout,

                        Redundant
                    };
                };
 
                //
                ONIXS_HKEX_OMDC_API_DECL(class, FeedEngine);

                struct ONIXS_HKEX_OMDC_API FeedEngineListener
                {
                    virtual void onFeedEngineThreadBegin(const FeedEngine&) {}

                    virtual void onFeedEngineThreadEnd(const FeedEngine&) {}

                    virtual void onFeedEngineThreadIdle(const FeedEngine&, FeedEngineThreadIdle::Reason, UInt32&) {}
                };
 
                class FeedEngineImpl;

                class ONIXS_HKEX_OMDC_API FeedEngine
                {
                public:
                    explicit
                    FeedEngine(const FeedEngineSettings&, FeedEngineListener* = ONIXS_HKEX_OMDC_NULLPTR);

                    ~FeedEngine();

                    const FeedEngineSettings& settings() const;
 
                private:
                    // Copying is not supposed for given class.
                    FeedEngine(const FeedEngine&);
                    FeedEngine& operator =(const FeedEngine&);
 
                    friend class FeedEngineImpl;
 
                    FeedEngineImpl* impl_;
                };
            }
        }
    }
}