SocketFeedEngine.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/MDH/Watch.h>
#include <OnixS/CME/MDH/PacketTraits.h>
#include <OnixS/CME/MDH/FeedEngine.h>
 
ONIXS_CMEMDH_NAMESPACE_BEGIN

class ONIXS_CMEMDH_LTWT SocketFeedEngineSettings
{
public:
    SocketFeedEngineSettings()
        : packetMaxSize_(1420)
        , watch_(&UtcWatch::service())
        , socketBufferSize_(8 * 1024 * 1024)
        , dataWaitTime_(10)
    {
    }

    ~SocketFeedEngineSettings() {}

    PacketSize packetMaxSize() const
    {
        return packetMaxSize_;
    }

    void packetMaxSize(PacketSize value)
    {
        packetMaxSize_ = value;
    }

    WatchService& watch() const
    {
        return *watch_;
    }

    void watch(WatchService& watch)
    {
        watch_ = &watch;
    }

    UInt32 socketBufferSize() const
    {
        return socketBufferSize_;
    }

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

    UInt32 dataWaitTime() const
    {
        return dataWaitTime_;
    }

    void dataWaitTime(UInt32 value)
    {
        dataWaitTime_ = value;
    }
 
private:
    PacketSize packetMaxSize_;
    WatchService* watch_;
 
    UInt32 socketBufferSize_;
    UInt32 dataWaitTime_;
};

ONIXS_CMEMDH_EXPORTED
void toStr(std::string&, const SocketFeedEngineSettings&);

inline std::string toStr(const SocketFeedEngineSettings& settings)
{
    std::string str;
 
    toStr(str, settings);
 
    return str;
}

class ONIXS_CMEMDH_EXPORTED SocketFeedEngine : public NetFeedEngine
{
public:
    SocketFeedEngine(const SocketFeedEngineSettings&);

    SocketFeedEngine();

    ~SocketFeedEngine() ONIXS_CMEMDH_OVERRIDE;

    void info(std::string&) ONIXS_CMEMDH_OVERRIDE;

    NetFeedLink& allocate(const NetFeed&) ONIXS_CMEMDH_OVERRIDE;

    WatchService& watch() ONIXS_CMEMDH_OVERRIDE;

    NetFeedEngineProcessResult process() ONIXS_CMEMDH_OVERRIDE;
 
private:
    // The workhorse for the multi-threaded
    // feed engine based on the standard socket
    // API and a pool of threads.
    class Workhorse;
 
    Workhorse* workhorse_;
};
 
ONIXS_CMEMDH_NAMESPACE_END