ReduceSizeShort.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
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* 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
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* or redistribution, and any amendments to this copyright notice, are expressly prohibited.
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*/

#pragma once

#include <vector>

#include <OnixS/CboeCFE/MarketData/Pitch/ABI.h>
#include <OnixS/CboeCFE/MarketData/Pitch/Defines.h>
#include <OnixS/CboeCFE/MarketData/Pitch/Enumerations.h>
#include <OnixS/CboeCFE/MarketData/Pitch/BinaryMessage.h>


namespace OnixS {
namespace CboeCFE {
namespace MarketData {
namespace Pitch {

    /// Reduce Size messages are sent when a visible order on the CFE book is partially reduced.
    struct ReduceSizeShortMsg : public BinaryMessage
    {
        /// Nanosecond offset from last unit timestamp.
        Binary4 timeOffset() const
        ONIXS_BATS_PITCH_NOTHROW
        {
            return ordinary<Binary4>(2);
        }

        /// Order Id of a previously sent Add Order message that has been reduced.
        Binary8 orderId() const
        ONIXS_BATS_PITCH_NOTHROW
        {
            return ordinary<Binary8>(6);
        }

        /// Number of contracts canceled.
        Binary2 canceledQuantity() const
        ONIXS_BATS_PITCH_NOTHROW
        {
            return ordinary<Binary2>(14);
        }

        /// Total message size.
        static ONIXS_BATS_PITCH_CONST_OR_CONSTEXPR MessageSize messageSize_ = 16;

        /// Check the given size.
        static void validateSize(MessageSize size)
        {
            if (ONIXS_BATS_PITCH_CHECK_EXPECT((size < messageSize_), false))
                throwIncorrectSize("ReduceSizeShort", size, messageSize_);
        }

        /// Initializes instance over given memory block.
        ReduceSizeShortMsg(const void* data, MessageSize size)
        ONIXS_BATS_PITCH_NOTHROW
            : BinaryMessage(data, size)
        {
        }
    };

    /// Serializes object into string.
    ONIXS_CBOECFE_PITCH_API void toStr(std::string&, const ReduceSizeShortMsg&);

    /// Serializes object into string.
    inline std::string toStr(const ReduceSizeShortMsg& msg)
    {
        std::string str;
        toStr(str, msg);
        return str;
    }

}
}
}
}