NtpPacket.h

#pragma once
 
#include <QtCore/QtGlobal>
 
#include <NDEVR/NtpTimestamp.h>
namespace NDEVR
{
    struct NtpPacketFlags {
        unsigned char mode : 3;

        unsigned char versionNumber : 3;

        unsigned char leapIndicator : 2;
    };
    static_assert(sizeof(NtpPacketFlags) == 1);
 
#pragma pack(push, 1)
    struct NtpPacket
    {
        NtpPacketFlags flags;

        quint8 stratum;

        qint8 poll;

        qint8 precision;

        qint32 rootDelay;

        qint32 rootDispersion;

        qint8 referenceID[4];

        NtpTimestamp referenceTimestamp;

        NtpTimestamp originateTimestamp;

        NtpTimestamp receiveTimestamp;

        NtpTimestamp transmitTimestamp;
    };
    static_assert(sizeof(NtpPacket) == 48);

    struct NtpAuthenticationInfo {
        quint32 keyId;

        quint8 messageDigest[16];
    };
    static_assert(sizeof(NtpAuthenticationInfo) == 20);

    struct NtpFullPacket {
        NtpPacket basic;              
        NtpAuthenticationInfo auth;   
    };
    static_assert(sizeof(NtpFullPacket) == 68);
 
#pragma pack(pop)
}