lorawan-mac-command.cc

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2017 University of Padova
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation;
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Author: Davide Magrin <magrinda@dei.unipd.it>
 *
 * Modified by: Bastien Tauran <bastien.tauran@viveris.fr>
 */
 
#include "lorawan-mac-command.h"
 
#include "ns3/log.h"
 
#include <bitset>
#include <cmath>
#include <iostream>
#include <list>
#include <ostream>
 
namespace ns3
{
 
NS_LOG_COMPONENT_DEFINE("LorawanLorawanMacCommand");
 
NS_OBJECT_ENSURE_REGISTERED(LorawanMacCommand);
 
TypeId
LorawanMacCommand::GetTypeId(void)
{
    static TypeId tid = TypeId("ns3::LorawanMacCommand").SetParent<Object>();
    return tid;
}
 
LorawanMacCommand::LorawanMacCommand()
{
    NS_LOG_FUNCTION(this);
}
 
LorawanMacCommand::~LorawanMacCommand()
{
    NS_LOG_FUNCTION(this);
}
 
enum MacCommandType
LorawanMacCommand::GetCommandType(void) const
{
    NS_LOG_FUNCTION_NOARGS();
 
    return m_commandType;
}
 
uint8_t
LorawanMacCommand::GetSerializedSize(void) const
{
    NS_LOG_FUNCTION_NOARGS();
 
    return m_serializedSize;
}
 
uint8_t
LorawanMacCommand::GetCIDFromLorawanMacCommand(enum MacCommandType commandType)
{
    NS_LOG_FUNCTION_NOARGS();
 
    switch (commandType)
    {
    case (INVALID): {
        return 0x0;
    }
    case (LINK_CHECK_REQ):
    case (LINK_CHECK_ANS): {
        return 0x02;
    }
    case (LINK_ADR_REQ):
    case (LINK_ADR_ANS): {
        return 0x03;
    }
    case (DUTY_CYCLE_REQ):
    case (DUTY_CYCLE_ANS): {
        return 0x04;
    }
    case (RX_PARAM_SETUP_REQ):
    case (RX_PARAM_SETUP_ANS): {
        return 0x05;
    }
    case (DEV_STATUS_REQ):
    case (DEV_STATUS_ANS): {
        return 0x06;
    }
    case (NEW_CHANNEL_REQ):
    case (NEW_CHANNEL_ANS): {
        return 0x07;
    }
    case (RX_TIMING_SETUP_REQ):
    case (RX_TIMING_SETUP_ANS): {
        return 0x08;
    }
    case (TX_PARAM_SETUP_REQ):
    case (TX_PARAM_SETUP_ANS): {
        return 0x09;
    }
    case (DL_CHANNEL_REQ):
    case (DL_CHANNEL_ANS): {
        return 0x0A;
    }
    }
    return 0;
}

// LinkCheckReq //
 
LinkCheckReq::LinkCheckReq()
{
    NS_LOG_FUNCTION_NOARGS();
    m_commandType = LINK_CHECK_REQ;
    m_serializedSize = 1;
}
 
LinkCheckReq::~LinkCheckReq()
{
    NS_LOG_FUNCTION_NOARGS();
}
 
void
LinkCheckReq::Serialize(Buffer::Iterator& start) const
{
    NS_LOG_FUNCTION_NOARGS();
 
    // Write the CID and we're done
    uint8_t cid = GetCIDFromLorawanMacCommand(m_commandType);
    start.WriteU8(cid);
    NS_LOG_DEBUG("Serialized LinkCheckReq: " << unsigned(cid));
}
 
uint8_t
LinkCheckReq::Deserialize(Buffer::Iterator& start)
{
    NS_LOG_FUNCTION_NOARGS();
 
    // Read the CID
    start.ReadU8();
 
    return m_serializedSize;
}
 
void
LinkCheckReq::Print(std::ostream& os) const
{
    NS_LOG_FUNCTION_NOARGS();
 
    os << "LinkCheckReq" << std::endl;
}

// LinkCheckAns //
 
LinkCheckAns::LinkCheckAns()
    : m_margin(0),
      m_gwCnt(0)
{
    NS_LOG_FUNCTION(this);
 
    m_commandType = LINK_CHECK_ANS;
    m_serializedSize = 3;
}
 
LinkCheckAns::LinkCheckAns(uint8_t margin, uint8_t gwCnt)
    : m_margin(margin),
      m_gwCnt(gwCnt)
{
    NS_LOG_FUNCTION(this << unsigned(margin) << unsigned(gwCnt));
 
    m_commandType = LINK_CHECK_ANS;
    m_serializedSize = 3;
}
 
void
LinkCheckAns::Serialize(Buffer::Iterator& start) const
{
    NS_LOG_FUNCTION_NOARGS();
 
    // Write the CID
    start.WriteU8(GetCIDFromLorawanMacCommand(m_commandType));
    // Write the margin
    start.WriteU8(m_margin);
    // Write the gwCnt
    start.WriteU8(m_gwCnt);
}
 
uint8_t
LinkCheckAns::Deserialize(Buffer::Iterator& start)
{
    NS_LOG_FUNCTION_NOARGS();
 
    // Consume the CID
    start.ReadU8();
    m_margin = start.ReadU8();
    m_gwCnt = start.ReadU8();
    return m_serializedSize;
}
 
void
LinkCheckAns::Print(std::ostream& os) const
{
    NS_LOG_FUNCTION_NOARGS();
 
    os << "LinkCheckAns" << std::endl;
    os << "margin: " << unsigned(m_margin) << std::endl;
    os << "gwCnt: " << unsigned(m_gwCnt) << std::endl;
}
 
void
LinkCheckAns::SetMargin(uint8_t margin)
{
    NS_LOG_FUNCTION(this << unsigned(margin));
 
    m_margin = margin;
}
 
uint8_t
LinkCheckAns::GetMargin(void) const
{
    NS_LOG_FUNCTION(this);
 
    return m_margin;
}
 
void
LinkCheckAns::SetGwCnt(uint8_t gwCnt)
{
    NS_LOG_FUNCTION(this << unsigned(gwCnt));
 
    m_gwCnt = gwCnt;
}
 
uint8_t
LinkCheckAns::GetGwCnt(void) const
{
    NS_LOG_FUNCTION(this);
 
    return m_gwCnt;
}
 
void
LinkCheckAns::IncrementGwCnt(void)
{
    NS_LOG_FUNCTION(this);
 
    m_gwCnt++;
}

// LinkAdrReq //
 
LinkAdrReq::LinkAdrReq()
{
    NS_LOG_FUNCTION(this);
 
    m_commandType = LINK_ADR_REQ;
    m_serializedSize = 5;
}
 
LinkAdrReq::LinkAdrReq(uint8_t dataRate,
                       uint8_t txPower,
                       uint16_t channelMask,
                       uint8_t chMaskCntl,
                       uint8_t nbRep)
    : m_dataRate(dataRate),
      m_txPower(txPower),
      m_channelMask(channelMask),
      m_chMaskCntl(chMaskCntl),
      m_nbRep(nbRep)
{
    NS_LOG_FUNCTION(this);
 
    m_commandType = LINK_ADR_REQ;
    m_serializedSize = 5;
}
 
void
LinkAdrReq::Serialize(Buffer::Iterator& start) const
{
    NS_LOG_FUNCTION_NOARGS();
 
    // Write the CID
    start.WriteU8(GetCIDFromLorawanMacCommand(m_commandType));
    start.WriteU8(m_dataRate << 4 | (m_txPower & 0b1111));
    start.WriteU16(m_channelMask);
    start.WriteU8(m_chMaskCntl << 4 | (m_nbRep & 0b1111));
}
 
uint8_t
LinkAdrReq::Deserialize(Buffer::Iterator& start)
{
    NS_LOG_FUNCTION_NOARGS();
 
    // Consume the CID
    start.ReadU8();
    uint8_t firstByte = start.ReadU8();
    m_dataRate = firstByte >> 4;
    m_txPower = firstByte & 0b1111;
    m_channelMask = start.ReadU16();
    uint8_t fourthByte = start.ReadU8();
    m_chMaskCntl = fourthByte >> 4;
    m_nbRep = fourthByte & 0b1111;
 
    return m_serializedSize;
}
 
void
LinkAdrReq::Print(std::ostream& os) const
{
    NS_LOG_FUNCTION_NOARGS();
 
    os << "LinkAdrReq" << std::endl;
    os << "dataRate: " << unsigned(m_dataRate) << std::endl;
    os << "txPower: " << unsigned(m_txPower) << std::endl;
    os << "channelMask: " << std::bitset<16>(m_channelMask) << std::endl;
    os << "chMaskCntl: " << unsigned(m_chMaskCntl) << std::endl;
    os << "nbRep: " << unsigned(m_nbRep) << std::endl;
}
 
uint8_t
LinkAdrReq::GetDataRate(void)
{
    NS_LOG_FUNCTION(this);
 
    return m_dataRate;
}
 
uint8_t
LinkAdrReq::GetTxPower(void)
{
    NS_LOG_FUNCTION(this);
 
    return m_txPower;
}
 
std::list<int>
LinkAdrReq::GetEnabledChannelsList(void)
{
    NS_LOG_FUNCTION(this);
 
    std::list<int> channelIndices;
    for (int i = 0; i < 16; i++)
    {
        if (m_channelMask & (0b1 << i)) // Take channel mask's i-th bit
        {
            NS_LOG_DEBUG("Adding channel index " << i);
            channelIndices.push_back(i);
        }
    }
 
    return channelIndices;
}
 
int
LinkAdrReq::GetRepetitions(void)
{
    NS_LOG_FUNCTION(this);
 
    return m_nbRep;
}

// LinkAdrAns //
 
LinkAdrAns::LinkAdrAns()
{
    NS_LOG_FUNCTION(this);
 
    m_commandType = LINK_ADR_ANS;
    m_serializedSize = 2;
}
 
LinkAdrAns::LinkAdrAns(bool powerAck, bool dataRateAck, bool channelMaskAck)
    : m_powerAck(powerAck),
      m_dataRateAck(dataRateAck),
      m_channelMaskAck(channelMaskAck)
{
    NS_LOG_FUNCTION(this);
 
    m_commandType = LINK_ADR_ANS;
    m_serializedSize = 2;
}
 
void
LinkAdrAns::Serialize(Buffer::Iterator& start) const
{
    NS_LOG_FUNCTION_NOARGS();
 
    // Write the CID
    start.WriteU8(GetCIDFromLorawanMacCommand(m_commandType));
    // We can assume that true will be converted to 1 and that false will be
    // converted to 0 on any C++ compiler
    start.WriteU8((uint8_t(m_powerAck) << 2) | (uint8_t(m_dataRateAck) << 1) |
                  uint8_t(m_channelMaskAck));
}
 
uint8_t
LinkAdrAns::Deserialize(Buffer::Iterator& start)
{
    NS_LOG_FUNCTION_NOARGS();
 
    // Consume the CID
    start.ReadU8();
 
    uint8_t byte = start.ReadU8();
 
    m_powerAck = byte & 0b100;
    m_dataRateAck = byte & 0b10;
    m_channelMaskAck = byte & 0b1;
 
    return m_serializedSize;
}
 
void
LinkAdrAns::Print(std::ostream& os) const
{
    NS_LOG_FUNCTION_NOARGS();
 
    os << "LinkAdrAns" << std::endl;
}

// DutyCycleReq //
 
DutyCycleReq::DutyCycleReq()
{
    NS_LOG_FUNCTION(this);
 
    m_commandType = DUTY_CYCLE_REQ;
    m_serializedSize = 2;
}
 
DutyCycleReq::DutyCycleReq(uint8_t dutyCycle)
    : m_maxDCycle(dutyCycle)
{
    NS_LOG_FUNCTION(this);
 
    m_commandType = DUTY_CYCLE_REQ;
    m_serializedSize = 2;
}
 
void
DutyCycleReq::Serialize(Buffer::Iterator& start) const
{
    NS_LOG_FUNCTION_NOARGS();
 
    // Write the CID
    start.WriteU8(GetCIDFromLorawanMacCommand(m_commandType));
    start.WriteU8(m_maxDCycle);
}
 
uint8_t
DutyCycleReq::Deserialize(Buffer::Iterator& start)
{
    NS_LOG_FUNCTION_NOARGS();
 
    // Consume the CID
    start.ReadU8();
    m_maxDCycle = start.ReadU8();
 
    return m_serializedSize;
}
 
void
DutyCycleReq::Print(std::ostream& os) const
{
    NS_LOG_FUNCTION_NOARGS();
 
    os << "DutyCycleReq" << std::endl;
    os << "maxDCycle: " << unsigned(m_maxDCycle) << std::endl;
    os << "maxDCycle (fraction): " << GetMaximumAllowedDutyCycle() << std::endl;
}
 
double
DutyCycleReq::GetMaximumAllowedDutyCycle(void) const
{
    NS_LOG_FUNCTION(this);
 
    // Check if we need to turn off completely
    if (m_maxDCycle == 255)
    {
        return 0;
    }
 
    if (m_maxDCycle == 0)
    {
        return 1;
    }
 
    return 1 / std::pow(2, double(m_maxDCycle));
}

// DutyCycleAns //
 
DutyCycleAns::DutyCycleAns()
{
    NS_LOG_FUNCTION(this);
 
    m_commandType = DUTY_CYCLE_ANS;
    m_serializedSize = 1;
}
 
void
DutyCycleAns::Serialize(Buffer::Iterator& start) const
{
    NS_LOG_FUNCTION_NOARGS();
 
    // Write the CID
    start.WriteU8(GetCIDFromLorawanMacCommand(m_commandType));
}
 
uint8_t
DutyCycleAns::Deserialize(Buffer::Iterator& start)
{
    NS_LOG_FUNCTION_NOARGS();
 
    // Consume the CID
    start.ReadU8();
    return m_serializedSize;
}
 
void
DutyCycleAns::Print(std::ostream& os) const
{
    NS_LOG_FUNCTION_NOARGS();
 
    os << "DutyCycleAns" << std::endl;
}

// RxParamSetupReq //
 
RxParamSetupReq::RxParamSetupReq()
{
    NS_LOG_FUNCTION(this);
 
    m_commandType = RX_PARAM_SETUP_REQ;
    m_serializedSize = 5;
}
 
RxParamSetupReq::RxParamSetupReq(uint8_t rx1DrOffset, uint8_t rx2DataRate, double frequency)
    : m_rx1DrOffset(rx1DrOffset),
      m_rx2DataRate(rx2DataRate),
      m_frequency(frequency)
{
    NS_LOG_FUNCTION(this << unsigned(rx1DrOffset) << unsigned(rx2DataRate) << frequency);
 
    if ((rx1DrOffset & 0b11111000) != 0)
    {
        NS_LOG_WARN(
            "Warning: received an rx1DrOffset greater than 7. Actual value will be different.");
    }
    if ((rx2DataRate & 0b11110000) != 0)
    {
        NS_LOG_WARN(
            "Warning: received a rx2DataRate greater than 15. Actual value will be different.");
    }
 
    m_commandType = RX_PARAM_SETUP_REQ;
    m_serializedSize = 5;
}
 
void
RxParamSetupReq::Serialize(Buffer::Iterator& start) const
{
    NS_LOG_FUNCTION_NOARGS();
 
    // Write the CID
    start.WriteU8(GetCIDFromLorawanMacCommand(m_commandType));
    // Data serialization
    start.WriteU8((m_rx1DrOffset & 0b111) << 4 | (m_rx2DataRate & 0b1111));
    uint32_t encodedFrequency = uint32_t(m_frequency / 100);
    NS_LOG_DEBUG(unsigned(encodedFrequency));
    NS_LOG_DEBUG(std::bitset<32>(encodedFrequency));
    start.WriteU8((encodedFrequency & 0xff0000) >> 16); // Most significant byte
    start.WriteU8((encodedFrequency & 0xff00) >> 8);    // Middle byte
    start.WriteU8(encodedFrequency & 0xff);             // Least significant byte
}
 
uint8_t
RxParamSetupReq::Deserialize(Buffer::Iterator& start)
{
    NS_LOG_FUNCTION_NOARGS();
 
    // Consume the CID
    start.ReadU8();
    // Data serialization
    uint8_t firstByte = start.ReadU8();
    m_rx1DrOffset = (firstByte & 0b1110000) >> 4;
    m_rx2DataRate = firstByte & 0b1111;
    uint32_t secondByte = start.ReadU8();
    uint32_t thirdByte = start.ReadU8();
    uint32_t fourthByte = start.ReadU8();
    uint32_t encodedFrequency = (secondByte << 16) | (thirdByte << 8) | fourthByte;
    NS_LOG_DEBUG(std::bitset<32>(encodedFrequency));
    m_frequency = double(encodedFrequency) * 100;
 
    return m_serializedSize;
}
 
void
RxParamSetupReq::Print(std::ostream& os) const
{
    NS_LOG_FUNCTION_NOARGS();
 
    os << "RxParamSetupReq" << std::endl;
    os << "rx1DrOffset: " << unsigned(m_rx1DrOffset) << std::endl;
    os << "rx2DataRate: " << unsigned(m_rx2DataRate) << std::endl;
    os << "frequency: " << m_frequency << std::endl;
}
 
uint8_t
RxParamSetupReq::GetRx1DrOffset(void)
{
    NS_LOG_FUNCTION(this);
 
    return m_rx1DrOffset;
}
 
uint8_t
RxParamSetupReq::GetRx2DataRate(void)
{
    NS_LOG_FUNCTION(this);
 
    return m_rx2DataRate;
}
 
double
RxParamSetupReq::GetFrequency(void)
{
    NS_LOG_FUNCTION(this);
 
    return m_frequency;
}

// RxParamSetupAns //
 
RxParamSetupAns::RxParamSetupAns()
{
    NS_LOG_FUNCTION(this);
 
    m_commandType = RX_PARAM_SETUP_ANS;
    m_serializedSize = 2;
}
 
RxParamSetupAns::RxParamSetupAns(bool rx1DrOffsetAck, bool rx2DataRateAck, bool channelAck)
    : m_rx1DrOffsetAck(rx1DrOffsetAck),
      m_rx2DataRateAck(rx2DataRateAck),
      m_channelAck(channelAck)
{
    NS_LOG_FUNCTION(this << rx1DrOffsetAck << rx2DataRateAck << channelAck);
 
    m_commandType = RX_PARAM_SETUP_ANS;
    m_serializedSize = 2;
}
 
void
RxParamSetupAns::Serialize(Buffer::Iterator& start) const
{
    NS_LOG_FUNCTION_NOARGS();
 
    // Write the CID
    start.WriteU8(GetCIDFromLorawanMacCommand(m_commandType));
    // Data serialization
    start.WriteU8(uint8_t(m_rx1DrOffsetAck) << 2 | uint8_t(m_rx2DataRateAck) << 1 |
                  uint8_t(m_channelAck));
}
 
uint8_t
RxParamSetupAns::Deserialize(Buffer::Iterator& start)
{
    NS_LOG_FUNCTION_NOARGS();
 
    // Consume the CID
    start.ReadU8();
 
    uint8_t byte = start.ReadU8();
 
    m_rx1DrOffsetAck = (byte & 0b100) >> 2;
    m_rx2DataRateAck = (byte & 0b10) >> 1;
    m_channelAck = byte & 0b1;
 
    return m_serializedSize;
}
 
void
RxParamSetupAns::Print(std::ostream& os) const
{
    NS_LOG_FUNCTION_NOARGS();
 
    os << "RxParamSetupAns" << std::endl;
    os << "m_rx1DrOffsetAck: " << m_rx1DrOffsetAck << std::endl;
    os << "m_rx2DataRateAck: " << m_rx2DataRateAck << std::endl;
    os << "m_channelAck: " << m_channelAck << std::endl;
}

// DevStatusReq //
 
DevStatusReq::DevStatusReq()
{
    NS_LOG_FUNCTION(this);
 
    m_commandType = DEV_STATUS_REQ;
    m_serializedSize = 1;
}
 
void
DevStatusReq::Serialize(Buffer::Iterator& start) const
{
    NS_LOG_FUNCTION_NOARGS();
 
    // Write the CID
    start.WriteU8(GetCIDFromLorawanMacCommand(m_commandType));
}
 
uint8_t
DevStatusReq::Deserialize(Buffer::Iterator& start)
{
    NS_LOG_FUNCTION_NOARGS();
 
    // Consume the CID
    start.ReadU8();
 
    return m_serializedSize;
}
 
void
DevStatusReq::Print(std::ostream& os) const
{
    NS_LOG_FUNCTION_NOARGS();
 
    os << "DevStatusReq" << std::endl;
}

// DevStatusAns //
 
DevStatusAns::DevStatusAns()
{
    NS_LOG_FUNCTION(this);
 
    m_commandType = DEV_STATUS_ANS;
    m_serializedSize = 3;
}
 
DevStatusAns::DevStatusAns(uint8_t battery, uint8_t margin)
    : m_battery(battery),
      m_margin(margin)
{
    NS_LOG_FUNCTION(this << unsigned(battery) << unsigned(margin));
 
    m_commandType = DEV_STATUS_ANS;
    m_serializedSize = 3;
}
 
void
DevStatusAns::Serialize(Buffer::Iterator& start) const
{
    NS_LOG_FUNCTION_NOARGS();
 
    // Write the CID
    start.WriteU8(GetCIDFromLorawanMacCommand(m_commandType));
    start.WriteU8(m_battery);
    start.WriteU8(m_margin);
}
 
uint8_t
DevStatusAns::Deserialize(Buffer::Iterator& start)
{
    NS_LOG_FUNCTION_NOARGS();
 
    // Consume the CID
    start.ReadU8();
    m_battery = start.ReadU8();
    m_margin = start.ReadU8() & 0b111111;
 
    return m_serializedSize;
}
 
void
DevStatusAns::Print(std::ostream& os) const
{
    NS_LOG_FUNCTION_NOARGS();
 
    os << "DevStatusAns" << std::endl;
    os << "Battery: " << unsigned(m_battery) << std::endl;
    os << "Margin: " << unsigned(m_margin) << std::endl;
}
 
uint8_t
DevStatusAns::GetBattery(void)
{
    NS_LOG_FUNCTION_NOARGS();
 
    return m_battery;
}
 
uint8_t
DevStatusAns::GetMargin(void)
{
    NS_LOG_FUNCTION_NOARGS();
 
    return m_margin;
}

// NewChannelReq //
 
NewChannelReq::NewChannelReq()
{
    NS_LOG_FUNCTION(this);
 
    m_commandType = NEW_CHANNEL_REQ;
    m_serializedSize = 6;
}
 
NewChannelReq::NewChannelReq(uint8_t chIndex,
                             double frequency,
                             uint8_t minDataRate,
                             uint8_t maxDataRate)
    : m_chIndex(chIndex),
      m_frequency(frequency),
      m_minDataRate(minDataRate),
      m_maxDataRate(maxDataRate)
{
    NS_LOG_FUNCTION(this);
 
    m_commandType = NEW_CHANNEL_REQ;
    m_serializedSize = 6;
}
 
void
NewChannelReq::Serialize(Buffer::Iterator& start) const
{
    NS_LOG_FUNCTION_NOARGS();
 
    // Write the CID
    start.WriteU8(GetCIDFromLorawanMacCommand(m_commandType));
 
    start.WriteU8(m_chIndex);
    uint32_t encodedFrequency = uint32_t(m_frequency / 100);
    start.WriteU8((encodedFrequency & 0xff0000) >> 16);
    start.WriteU8((encodedFrequency & 0xff00) >> 8);
    start.WriteU8(encodedFrequency & 0xff);
    start.WriteU8((m_maxDataRate << 4) | (m_minDataRate & 0xf));
}
 
uint8_t
NewChannelReq::Deserialize(Buffer::Iterator& start)
{
    NS_LOG_FUNCTION_NOARGS();
 
    // Consume the CID
    start.ReadU8();
    // Read the data
    m_chIndex = start.ReadU8();
    uint32_t encodedFrequency = 0;
    encodedFrequency |= uint32_t(start.ReadU16()) << 8;
    encodedFrequency |= uint32_t(start.ReadU8());
    m_frequency = double(encodedFrequency) * 100;
    uint8_t dataRateByte = start.ReadU8();
    m_maxDataRate = dataRateByte >> 4;
    m_minDataRate = dataRateByte & 0xf;
 
    return m_serializedSize;
}
 
void
NewChannelReq::Print(std::ostream& os) const
{
    NS_LOG_FUNCTION_NOARGS();
 
    os << "NewChannelReq" << std::endl;
}
 
uint8_t
NewChannelReq::GetChannelIndex(void)
{
    NS_LOG_FUNCTION_NOARGS();
 
    return m_chIndex;
}
 
double
NewChannelReq::GetFrequency(void)
{
    NS_LOG_FUNCTION_NOARGS();
 
    return m_frequency;
}
 
uint8_t
NewChannelReq::GetMinDataRate(void)
{
    NS_LOG_FUNCTION_NOARGS();
 
    return m_minDataRate;
}
 
uint8_t
NewChannelReq::GetMaxDataRate(void)
{
    NS_LOG_FUNCTION_NOARGS();
 
    return m_maxDataRate;
}

// NewChannelAns //
 
NewChannelAns::NewChannelAns()
{
    NS_LOG_FUNCTION(this);
 
    m_commandType = NEW_CHANNEL_ANS;
    m_serializedSize = 2;
}
 
NewChannelAns::NewChannelAns(bool dataRateRangeOk, bool channelFrequencyOk)
    : m_dataRateRangeOk(dataRateRangeOk),
      m_channelFrequencyOk(channelFrequencyOk)
{
    NS_LOG_FUNCTION(this);
 
    m_commandType = NEW_CHANNEL_ANS;
    m_serializedSize = 2;
}
 
void
NewChannelAns::Serialize(Buffer::Iterator& start) const
{
    NS_LOG_FUNCTION_NOARGS();
 
    // Write the CID
    start.WriteU8(GetCIDFromLorawanMacCommand(m_commandType));
 
    start.WriteU8((uint8_t(m_dataRateRangeOk) << 1) | uint8_t(m_channelFrequencyOk));
}
 
uint8_t
NewChannelAns::Deserialize(Buffer::Iterator& start)
{
    NS_LOG_FUNCTION_NOARGS();
 
    // Consume the CID
    start.ReadU8();
    // Read the data
    uint8_t byte = start.ReadU8();
    m_dataRateRangeOk = (byte & 0b10) >> 1;
    m_channelFrequencyOk = (byte & 0b1);
 
    return m_serializedSize;
}
 
void
NewChannelAns::Print(std::ostream& os) const
{
    NS_LOG_FUNCTION_NOARGS();
 
    os << "NewChannelAns" << std::endl;
    os << "DataRateRangeOk: " << m_dataRateRangeOk << std::endl;
    os << "ChannelFrequencyOk: " << m_channelFrequencyOk << std::endl;
}

// RxTimingSetupReq //
 
RxTimingSetupReq::RxTimingSetupReq()
{
    NS_LOG_FUNCTION(this);
 
    m_commandType = RX_TIMING_SETUP_REQ;
    m_serializedSize = 2;
}
 
RxTimingSetupReq::RxTimingSetupReq(uint8_t delay)
    : m_delay(delay)
{
    NS_LOG_FUNCTION(this);
 
    m_commandType = RX_TIMING_SETUP_REQ;
    m_serializedSize = 2;
}
 
void
RxTimingSetupReq::Serialize(Buffer::Iterator& start) const
{
    NS_LOG_FUNCTION_NOARGS();
 
    // Write the CID
    start.WriteU8(GetCIDFromLorawanMacCommand(m_commandType));
    // Write the data
    start.WriteU8(m_delay & 0xf);
}
 
uint8_t
RxTimingSetupReq::Deserialize(Buffer::Iterator& start)
{
    NS_LOG_FUNCTION_NOARGS();
 
    // Consume the CID
    start.ReadU8();
    // Read the data
    m_delay = start.ReadU8() & 0xf;
 
    return m_serializedSize;
}
 
void
RxTimingSetupReq::Print(std::ostream& os) const
{
    NS_LOG_FUNCTION_NOARGS();
 
    os << "RxTimingSetupReq" << std::endl;
}
 
Time
RxTimingSetupReq::GetDelay(void)
{
    NS_LOG_FUNCTION(this);
 
    if (m_delay == 0)
    {
        return Seconds(1);
    }
    return Seconds(m_delay);
}

// RxTimingSetupAns //
 
RxTimingSetupAns::RxTimingSetupAns()
{
    NS_LOG_FUNCTION(this);
 
    m_commandType = DEV_STATUS_REQ;
    m_serializedSize = 1;
}
 
void
RxTimingSetupAns::Serialize(Buffer::Iterator& start) const
{
    NS_LOG_FUNCTION_NOARGS();
 
    // Write the CID
    start.WriteU8(GetCIDFromLorawanMacCommand(m_commandType));
}
 
uint8_t
RxTimingSetupAns::Deserialize(Buffer::Iterator& start)
{
    NS_LOG_FUNCTION_NOARGS();
 
    // Consume the CID
    start.ReadU8();
 
    return m_serializedSize;
}
 
void
RxTimingSetupAns::Print(std::ostream& os) const
{
    NS_LOG_FUNCTION_NOARGS();
 
    os << "RxTimingSetupAns" << std::endl;
}

// DlChannelAns //
 
DlChannelAns::DlChannelAns()
{
    NS_LOG_FUNCTION(this);
 
    m_commandType = DEV_STATUS_REQ;
    m_serializedSize = 1;
}
 
void
DlChannelAns::Serialize(Buffer::Iterator& start) const
{
    NS_LOG_FUNCTION_NOARGS();
 
    // Write the CID
    start.WriteU8(GetCIDFromLorawanMacCommand(m_commandType));
}
 
uint8_t
DlChannelAns::Deserialize(Buffer::Iterator& start)
{
    NS_LOG_FUNCTION_NOARGS();
 
    // Consume the CID
    start.ReadU8();
 
    return m_serializedSize;
}
 
void
DlChannelAns::Print(std::ostream& os) const
{
    NS_LOG_FUNCTION_NOARGS();
 
    os << "DlChannelAns" << std::endl;
}

// TxParamSetupReq //
 
TxParamSetupReq::TxParamSetupReq()
{
    NS_LOG_FUNCTION(this);
 
    m_commandType = DEV_STATUS_REQ;
    m_serializedSize = 1;
}
 
void
TxParamSetupReq::Serialize(Buffer::Iterator& start) const
{
    NS_LOG_FUNCTION_NOARGS();
 
    // Write the CID
    start.WriteU8(GetCIDFromLorawanMacCommand(m_commandType));
}
 
uint8_t
TxParamSetupReq::Deserialize(Buffer::Iterator& start)
{
    NS_LOG_FUNCTION_NOARGS();
 
    // Consume the CID
    start.ReadU8();
 
    return m_serializedSize;
}
 
void
TxParamSetupReq::Print(std::ostream& os) const
{
    NS_LOG_FUNCTION_NOARGS();
 
    os << "TxParamSetupReq" << std::endl;
}

// TxParamSetupAns //
 
TxParamSetupAns::TxParamSetupAns()
{
    NS_LOG_FUNCTION(this);
 
    m_commandType = DEV_STATUS_REQ;
    m_serializedSize = 1;
}
 
void
TxParamSetupAns::Serialize(Buffer::Iterator& start) const
{
    NS_LOG_FUNCTION_NOARGS();
 
    // Write the CID
    start.WriteU8(GetCIDFromLorawanMacCommand(m_commandType));
}
 
uint8_t
TxParamSetupAns::Deserialize(Buffer::Iterator& start)
{
    NS_LOG_FUNCTION_NOARGS();
 
    // Consume the CID
    start.ReadU8();
 
    return m_serializedSize;
}
 
void
TxParamSetupAns::Print(std::ostream& os) const
{
    NS_LOG_FUNCTION_NOARGS();
 
    os << "TxParamSetupAns" << std::endl;
}
 
} // namespace ns3