timestamp.hpp

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/*
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#ifndef MESHCOP_TIMESTAMP_HPP_
#define MESHCOP_TIMESTAMP_HPP_

#include "openthread-core-config.h"

#include <string.h>

#include <openthread/platform/toolchain.h>

#include "common/encoding.hpp"

using ot::Encoding::BigEndian::HostSwap16;

namespace ot {
namespace MeshCoP {

OT_TOOL_PACKED_BEGIN
class Timestamp
{
public:
    void Init(void) { memset(mSeconds, 0, sizeof(mSeconds)); mTicks = 0; }

    int Compare(const Timestamp &aCompare) const;

    uint64_t GetSeconds(void) const {
        uint64_t seconds = 0;

        for (size_t i = 0; i < sizeof(mSeconds); i++) {
            seconds = (seconds << 8) | mSeconds[i];
        }

        return seconds;
    }

    void SetSeconds(uint64_t aSeconds) {
        for (size_t i = 0; i < sizeof(mSeconds); i++, aSeconds >>= 8) {
            mSeconds[sizeof(mSeconds) - 1 - i] = aSeconds & 0xff;
        }
    }

    uint16_t GetTicks(void) const { return HostSwap16(mTicks) >> kTicksOffset; }

    void SetTicks(uint16_t aTicks) {
        mTicks = HostSwap16((HostSwap16(mTicks) & ~kTicksMask) | ((aTicks << kTicksOffset) & kTicksMask));
    }

    bool GetAuthoritative(void) const { return (HostSwap16(mTicks) & kAuthoritativeMask) != 0; }

    void SetAuthoritative(bool aAuthoritative) {
        mTicks = HostSwap16((HostSwap16(mTicks) & kTicksMask) | ((aAuthoritative << kAuthoritativeOffset) &
                                                                 kAuthoritativeMask));
    }

private:
    uint8_t mSeconds[6];

    enum
    {
        kTicksOffset         = 1,
        kTicksMask           = 0x7fff << kTicksOffset,
        kAuthoritativeOffset = 0,
        kAuthoritativeMask   = 1 << kAuthoritativeOffset,
    };
    uint16_t mTicks;
} OT_TOOL_PACKED_END;

}  // namespace MeshCoP
}  // namespace ot

#endif  // MESHCOP_TIMESTAMP_HPP_