/*
 * Copyright (c) 2012 Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)
 *
 * 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
 *
 * Authors: Nicola Baldo <nbaldo@cttc.es>
 *          Lluis Parcerisa <lparcerisa@cttc.cat>
 */

#ifndef LTE_RRC_SAP_H
#define LTE_RRC_SAP_H

#include <ns3/ptr.h>
#include <ns3/simulator.h>

#include <list>
#include <stdint.h>

namespace ns3
{

class LteRlcSapUser;
class LtePdcpSapUser;
class LteRlcSapProvider;
class LtePdcpSapProvider;
class Packet;

/**
 * \ingroup lte
 *
 * \brief Class holding definition common to all UE/eNodeB SAP Users/Providers.
 *
 * See 3GPP TS 36.331 for reference.
 *
 * Note that only those values that are (expected to be) used by the
 * ns-3 model are mentioned here. The naming of the variables that are
 * defined here is the same of 36.331, except for removal of "-" and
 * conversion to CamelCase or ALL_CAPS where needed in order to follow
 * the ns-3 coding style. Due to the 1-to-1 mapping with TS 36.331,
 * detailed doxygen documentation is omitted, so please refer to
 * 36.331 for the meaning of these data structures / fields.
 */
class LteRrcSap
{
  public:
    virtual ~LteRrcSap();

    /// Constraint values
    static const uint8_t MaxReportCells = 8;

    // Information Elements
    /// PlmnIdentityInfo structure
    struct PlmnIdentityInfo
    {
        uint32_t plmnIdentity; ///< PLMN identity
    };

    /// CellAccessRelatedInfo structure
    struct CellAccessRelatedInfo
    {
        PlmnIdentityInfo plmnIdentityInfo; ///< PLMN identity info
        uint32_t cellIdentity;             ///< cell identity
        bool csgIndication;                ///< CSG indication
        uint32_t csgIdentity;              ///< CSG identity
    };

    /// CellSelectionInfo structure
    struct CellSelectionInfo
    {
        int8_t qRxLevMin; ///< INTEGER (-70..-22), actual value = IE value * 2 [dBm].
        int8_t qQualMin;  ///< INTEGER (-34..-3), actual value = IE value [dB].
    };

    /// FreqInfo structure
    struct FreqInfo
    {
        uint32_t ulCarrierFreq; ///< UL carrier frequency
        uint16_t ulBandwidth;   ///< UL bandwidth
    };

    /// RlcConfig structure
    struct RlcConfig
    {
        /// the direction choice
        enum Direction
        {
            AM,
            UM_BI_DIRECTIONAL,
            UM_UNI_DIRECTIONAL_UL,
            UM_UNI_DIRECTIONAL_DL
        };

        Direction choice; ///< direction choice
    };

    /// LogicalChannelConfig structure
    struct LogicalChannelConfig
    {
        uint8_t priority;                ///< priority
        uint16_t prioritizedBitRateKbps; ///< prioritized bit rate Kbps
        uint16_t bucketSizeDurationMs;   ///< bucket size duration ms
        uint8_t logicalChannelGroup;     ///< logical channel group
    };

    /// SoundingRsUlConfigCommon structure
    struct SoundingRsUlConfigCommon
    {
        /// the config action
        enum Action
        {
            SETUP,
            RESET
        };

        Action type; ///< action type

        uint16_t srsBandwidthConfig; ///< SRS bandwidth config
        uint8_t srsSubframeConfig;   ///< SRS subframe config
    };

    /// SoundingRsUlConfigDedicated structure
    struct SoundingRsUlConfigDedicated
    {
        /// the config action
        enum Action
        {
            SETUP,
            RESET
        };

        Action type; ///< action type

        uint16_t srsBandwidth;   ///< SRS bandwidth
        uint16_t srsConfigIndex; ///< SRS config index
    };

    /// AntennaInfoDedicated structure
    struct AntennaInfoDedicated
    {
        uint8_t transmissionMode; ///< transmission mode
    };

    /// PdschConfigCommon structure
    struct PdschConfigCommon
    {
        int8_t referenceSignalPower; ///< INTEGER (-60..50),
        int8_t pb;                   ///< INTEGER (0..3),
    };

    /// PdschConfigDedicated structure
    struct PdschConfigDedicated
    {
        /**
         * P_A values, TS 36.331 6.3.2 PDSCH-Config
         * ENUMERATED { dB-6, dB-4dot77, dB-3, dB-1dot77, dB0, dB1, dB2, dB3 }
         */
        enum Db
        {
            dB_6,
            dB_4dot77,
            dB_3,
            dB_1dot77,
            dB0,
            dB1,
            dB2,
            dB3
        };

        uint8_t pa; ///< P_A value
    };

    /**
     * Convert PDSCH config dedicated function
     *
     * \param pdschConfigDedicated PdschConfigDedicated
     * \returns double value
     */
    static double ConvertPdschConfigDedicated2Double(PdschConfigDedicated pdschConfigDedicated)
    {
        double pa = 0;
        switch (pdschConfigDedicated.pa)
        {
        case PdschConfigDedicated::dB_6:
            pa = -6;
            break;
        case PdschConfigDedicated::dB_4dot77:
            pa = -4.77;
            break;
        case PdschConfigDedicated::dB_3:
            pa = -3;
            break;
        case PdschConfigDedicated::dB_1dot77:
            pa = -1.77;
            break;
        case PdschConfigDedicated::dB0:
            pa = 0;
            break;
        case PdschConfigDedicated::dB1:
            pa = 1;
            break;
        case PdschConfigDedicated::dB2:
            pa = 2;
            break;
        case PdschConfigDedicated::dB3:
            pa = 3;
            break;
        default:
            break;
        }
        return pa;
    }

    /// PhysicalConfigDedicated structure
    struct PhysicalConfigDedicated
    {
        bool haveSoundingRsUlConfigDedicated; ///< have sounding RS UL config dedicated?
        SoundingRsUlConfigDedicated
            soundingRsUlConfigDedicated;           ///< sounding RS UL config dedicated
        bool haveAntennaInfoDedicated;             ///< have antenna info dedicated?
        AntennaInfoDedicated antennaInfo;          ///< antenna info
        bool havePdschConfigDedicated;             ///< have PDSCH config dedicated?
        PdschConfigDedicated pdschConfigDedicated; ///< PDSCH config dedicated
    };

    /// SrbToAddMod structure
    struct SrbToAddMod
    {
        uint8_t srbIdentity;                       ///< SB identity
        LogicalChannelConfig logicalChannelConfig; ///< logical channel config
    };

    /// DrbToAddMod structure
    struct DrbToAddMod
    {
        uint8_t epsBearerIdentity;                 ///< EPS bearer identity
        uint8_t drbIdentity;                       ///< DRB identity
        RlcConfig rlcConfig;                       ///< RLC config
        uint8_t logicalChannelIdentity;            ///< logical channel identify
        LogicalChannelConfig logicalChannelConfig; ///< logical channel config
    };

    /// PreambleInfo structure
    struct PreambleInfo
    {
        uint8_t numberOfRaPreambles; ///< number of RA preambles
    };

    /// RaSupervisionInfo structure
    struct RaSupervisionInfo
    {
        uint8_t preambleTransMax;     ///< preamble transmit maximum
        uint8_t raResponseWindowSize; ///< RA response window size
    };

    /// TxFailParams structure
    struct TxFailParam
    {
        uint8_t connEstFailCount{
            0}; ///< Number of times that the UE detects T300 expiry on the same cell
    };

    /// RachConfigCommon structure
    struct RachConfigCommon
    {
        PreambleInfo preambleInfo;           ///< preamble info
        RaSupervisionInfo raSupervisionInfo; ///< RA supervision info
        TxFailParam txFailParam;             ///< txFailParams
    };

    /// RadioResourceConfigCommon structure
    struct RadioResourceConfigCommon
    {
        RachConfigCommon rachConfigCommon; ///< RACH config common
    };

    /// RadioResourceConfigCommonSib structure
    struct RadioResourceConfigCommonSib
    {
        RachConfigCommon rachConfigCommon;   ///< RACH config common
        PdschConfigCommon pdschConfigCommon; ///< PDSCH config common
    };

    /// RadioResourceConfigDedicated structure
    struct RadioResourceConfigDedicated
    {
        std::list<SrbToAddMod> srbToAddModList;          ///< SRB to add mod list
        std::list<DrbToAddMod> drbToAddModList;          ///< DRB to add mod list
        std::list<uint8_t> drbToReleaseList;             ///< DRB to release list
        bool havePhysicalConfigDedicated;                ///< have physical config dedicated?
        PhysicalConfigDedicated physicalConfigDedicated; ///< physical config dedicated
    };

    /// QuantityConfig structure
    struct QuantityConfig
    {
        uint8_t filterCoefficientRSRP; ///< filter coefficient RSRP
        uint8_t filterCoefficientRSRQ; ///< filter coefficient RSRQ
    };

    /// CellsToAddMod structure
    struct CellsToAddMod
    {
        uint8_t cellIndex;           ///< cell index
        uint16_t physCellId;         ///< Phy cell ID
        int8_t cellIndividualOffset; ///< cell individual offset
    };

    /// PhysCellIdRange structure
    struct PhysCellIdRange
    {
        uint16_t start; ///< starting cell ID
        bool haveRange; ///< has a range?
        uint16_t range; ///< the range
    };

    /// BlackCellsToAddMod structure
    struct BlackCellsToAddMod
    {
        uint8_t cellIndex;               ///< cell index
        PhysCellIdRange physCellIdRange; ///< Phy cell ID range
    };

    /// MeasObjectEutra structure
    struct MeasObjectEutra
    {
        uint32_t carrierFreq;                                 ///< carrier frequency
        uint16_t allowedMeasBandwidth;                        ///< allowed measure bandwidth
        bool presenceAntennaPort1;                            ///< antenna port 1 present?
        uint8_t neighCellConfig;                              ///< neighbor cell config
        int8_t offsetFreq;                                    ///< offset frequency
        std::list<uint8_t> cellsToRemoveList;                 ///< cells to remove list
        std::list<CellsToAddMod> cellsToAddModList;           ///< cells to add mod list
        std::list<uint8_t> blackCellsToRemoveList;            ///< black cells to remove list
        std::list<BlackCellsToAddMod> blackCellsToAddModList; ///< black cells to add mod list
        bool haveCellForWhichToReportCGI; ///< have cell for which to report CGI?
        uint16_t cellForWhichToReportCGI; ///< cell for which to report CGI
    };

    /**
     * \brief Threshold for event evaluation.
     *
     * For RSRP-based threshold, the actual value is (value - 140) dBm. While for
     * RSRQ-based threshold, the actual value is (value - 40) / 2 dB. This is in
     * accordance with section 9.1.4 and 9.1.7 of 3GPP TS 36.133.
     *
     * \sa ns3::EutranMeasurementMapping
     */
    struct ThresholdEutra
    {
        /// Threshold enumeration
        enum
        {
            THRESHOLD_RSRP, ///< RSRP is used for the threshold.
            THRESHOLD_RSRQ  ///< RSRQ is used for the threshold.
        } choice;

        uint8_t range; ///< Value range used in RSRP/RSRQ threshold.
    };

    /// Specifies criteria for triggering of an E-UTRA measurement reporting event.
    struct ReportConfigEutra
    {
        /// Trigger enumeration
        enum
        {
            EVENT,     ///< event report
            PERIODICAL ///< periodical report
        } triggerType; ///< trigger type

        /// Event enumeration
        enum
        {
            EVENT_A1, ///< Event A1: Serving becomes better than absolute threshold.
            EVENT_A2, ///< Event A2: Serving becomes worse than absolute threshold.
            EVENT_A3, ///< Event A3: Neighbour becomes amount of offset better than PCell.
            EVENT_A4, ///< Event A4: Neighbour becomes better than absolute threshold.
            EVENT_A5  ///< Event A5: PCell becomes worse than absolute `threshold1` AND Neighbour
                      ///< becomes better than another absolute `threshold2`.

        } eventId; ///< Choice of E-UTRA event triggered reporting criteria.

        ThresholdEutra threshold1; ///< Threshold for event A1, A2, A4, and A5.
        ThresholdEutra threshold2; ///< Threshold for event A5.

        /// Indicates whether or not the UE shall initiate the measurement reporting procedure when
        /// the leaving condition is met for a cell in `cellsTriggeredList`, as specified in 5.5.4.1
        /// of 3GPP TS 36.331.
        bool reportOnLeave;

        /// Offset value for Event A3. An integer between -30 and 30. The actual value is (value *
        /// 0.5) dB.
        int8_t a3Offset;

        /// Parameter used within the entry and leave condition of an event triggered reporting
        /// condition. The actual value is (value * 0.5) dB.
        uint8_t hysteresis;

        /// Time during which specific criteria for the event needs to be met in order to trigger a
        /// measurement report.
        uint16_t timeToTrigger;

        /// the report purpose
        enum Report
        {
            REPORT_STRONGEST_CELLS,
            REPORT_CGI
        };

        Report purpose; ///< purpose

        /// Trigger type enumeration
        enum
        {
            RSRP,          ///< Reference Signal Received Power
            RSRQ           ///< Reference Signal Received Quality
        } triggerQuantity; ///< The quantities used to evaluate the triggering condition for the
                           ///< event, see 3GPP TS 36.214.

        /// Report type enumeration
        enum
        {
            SAME_AS_TRIGGER_QUANTITY,
            BOTH ///< Both the RSRP and RSRQ quantities are to be included in the measurement
                 ///< report.
        } reportQuantity; ///< The quantities to be included in the measurement report, always
                          ///< assumed to be BOTH.

        /// Maximum number of cells, excluding the serving cell, to be included in the measurement
        /// report.
        uint8_t maxReportCells;

        /// Report interval enumeration
        enum
        {
            MS120,
            MS240,
            MS480,
            MS640,
            MS1024,
            MS2048,
            MS5120,
            MS10240,
            MIN1,
            MIN6,
            MIN12,
            MIN30,
            MIN60,
            SPARE3,
            SPARE2,
            SPARE1
        } reportInterval; ///< Indicates the interval between periodical reports.

        /// Number of measurement reports applicable, always assumed to be infinite.
        uint8_t reportAmount;

        /// Report config eutra function
        ReportConfigEutra();

    }; // end of struct ReportConfigEutra

    /// MeasObjectToAddMod structure
    struct MeasObjectToAddMod
    {
        uint8_t measObjectId;            ///< measure object ID
        MeasObjectEutra measObjectEutra; ///< measure object eutra
    };

    /// ReportConfigToAddMod structure
    struct ReportConfigToAddMod
    {
        uint8_t reportConfigId;              ///< report config ID
        ReportConfigEutra reportConfigEutra; ///< report config eutra
    };

    /// MeasIdToAddMod structure
    struct MeasIdToAddMod
    {
        uint8_t measId;         ///< measure ID
        uint8_t measObjectId;   ///< measure object ID
        uint8_t reportConfigId; ///< report config ID
    };

    /// MeasGapConfig structure
    struct MeasGapConfig
    {
        /// the action type
        enum Action
        {
            SETUP,
            RESET
        };

        Action type; ///< action type

        /// the gap offset
        enum Gap
        {
            GP0,
            GP1
        };

        Gap gapOffsetChoice; ///< gap offset

        uint8_t gapOffsetValue; ///< gap offset value
    };

    /// MobilityStateParameters structure
    struct MobilityStateParameters
    {
        uint8_t tEvaluation;       ///< evaluation
        uint8_t tHystNormal;       ///< hyst normal
        uint8_t nCellChangeMedium; ///< cell change medium
        uint8_t nCellChangeHigh;   ///< cell change high
    };

    /// SpeedStateScaleFactors structure
    struct SpeedStateScaleFactors
    {
        // 25 = oDot25, 50 = oDot5, 75 = oDot75, 100 = lDot0
        uint8_t sfMedium; ///< scale factor medium
        uint8_t sfHigh;   ///< scale factor high
    };

    /// SpeedStatePars structure
    struct SpeedStatePars
    {
        /// the action type
        enum Action
        {
            SETUP,
            RESET
        };

        Action type; ///< action type

        MobilityStateParameters mobilityStateParameters; ///< mobility state parameters
        SpeedStateScaleFactors timeToTriggerSf;          ///< time to trigger scale factors
    };

    /// MeasConfig structure
    struct MeasConfig
    {
        std::list<uint8_t> measObjectToRemoveList;            ///< measure object to remove list
        std::list<MeasObjectToAddMod> measObjectToAddModList; ///< measure object to add mod list
        std::list<uint8_t> reportConfigToRemoveList;          ///< report config to remove list
        std::list<ReportConfigToAddMod> reportConfigToAddModList; ///< report config to add mod list
        std::list<uint8_t> measIdToRemoveList;                    ///< measure ID to remove list
        std::list<MeasIdToAddMod> measIdToAddModList;             ///< measure ID to add mod list
        bool haveQuantityConfig;                                  ///< have quantity config?
        QuantityConfig quantityConfig;                            ///< quantity config
        bool haveMeasGapConfig;                                   ///< have measure gap config?
        MeasGapConfig measGapConfig;                              ///< measure gap config
        bool haveSmeasure;                                        ///< have S measure?
        uint8_t sMeasure;                                         ///< S measure
        bool haveSpeedStatePars;                                  ///< have speed state parameters?
        SpeedStatePars speedStatePars;                            ///< speed state parameters
    };

    /// CarrierFreqEutra structure
    struct CarrierFreqEutra
    {
        uint32_t dlCarrierFreq; ///< DL carrier frequency
        uint32_t ulCarrierFreq; ///< UL carrier frequency
    };

    /// CarrierBandwidthEutra structure
    struct CarrierBandwidthEutra
    {
        uint16_t dlBandwidth; ///< DL bandwidth
        uint16_t ulBandwidth; ///< UL bandwidth
    };

    /// RachConfigDedicated structure
    struct RachConfigDedicated
    {
        uint8_t raPreambleIndex;  ///< RA preamble index
        uint8_t raPrachMaskIndex; ///< RA PRACH mask index
    };

    /// MobilityControlInfo structure
    struct MobilityControlInfo
    {
        uint16_t targetPhysCellId;                           ///< target Phy cell ID
        bool haveCarrierFreq;                                ///< have carrier frequency?
        CarrierFreqEutra carrierFreq;                        ///< carrier frequency
        bool haveCarrierBandwidth;                           ///< have carrier bandwidth?
        CarrierBandwidthEutra carrierBandwidth;              ///< carrier bandwidth
        uint16_t newUeIdentity;                              ///< new UE identity
        RadioResourceConfigCommon radioResourceConfigCommon; ///< radio resource config common
        bool haveRachConfigDedicated;                        ///< Have RACH config dedicated?
        RachConfigDedicated rachConfigDedicated;             ///< RACH config dedicated
    };

    /// ReestabUeIdentity structure
    struct ReestabUeIdentity
    {
        uint16_t cRnti;      ///< RNTI
        uint16_t physCellId; ///< Phy cell ID
    };

    /// ReestablishmentCause enumeration
    enum ReestablishmentCause
    {
        RECONFIGURATION_FAILURE,
        HANDOVER_FAILURE,
        OTHER_FAILURE
    };

    /// MasterInformationBlock structure
    struct MasterInformationBlock
    {
        uint16_t dlBandwidth;       ///< DL bandwidth
        uint16_t systemFrameNumber; ///< system frame number
    };

    /// SystemInformationBlockType1 structure
    struct SystemInformationBlockType1
    {
        CellAccessRelatedInfo cellAccessRelatedInfo; ///< cell access related info
        CellSelectionInfo cellSelectionInfo;         ///< cell selection info
    };

    /// SystemInformationBlockType2 structure
    struct SystemInformationBlockType2
    {
        RadioResourceConfigCommonSib radioResourceConfigCommon; ///< radio resource config common
        FreqInfo freqInfo;                                      ///< frequency info
    };

    /// SystemInformation structure
    struct SystemInformation
    {
        bool haveSib2;                    ///< have SIB2?
        SystemInformationBlockType2 sib2; ///< SIB2
    };

    /// AsConfig structure
    struct AsConfig
    {
        MeasConfig sourceMeasConfig;                            ///< source measure config
        RadioResourceConfigDedicated sourceRadioResourceConfig; ///< source radio resource config
        uint16_t sourceUeIdentity;                              ///< source UE identity
        MasterInformationBlock sourceMasterInformationBlock;    ///< source master information block
        SystemInformationBlockType1
            sourceSystemInformationBlockType1; ///< source system information block type 1
        SystemInformationBlockType2
            sourceSystemInformationBlockType2; ///< source system information block type 2
        uint32_t sourceDlCarrierFreq;          ///< source DL carrier frequency
    };

    /// CgiInfo structure
    struct CgiInfo
    {
        uint32_t plmnIdentity;                ///< PLMN identity
        uint32_t cellIdentity;                ///< cell identity
        uint16_t trackingAreaCode;            ///< tracking area code
        std::list<uint32_t> plmnIdentityList; ///< PLMN identity list
    };

    /// MeasResultPCell structure
    struct MeasResultPCell
    {
        uint8_t rsrpResult; ///< the RSRP result
        uint8_t rsrqResult; ///< the RSRQ result
    };

    /// MeasResultEutra structure
    struct MeasResultEutra
    {
        uint16_t physCellId; ///< Phy cell ID
        bool haveCgiInfo;    ///< have CGI info?
        CgiInfo cgiInfo;     ///< CGI info
        bool haveRsrpResult; ///< have RSRP result
        uint8_t rsrpResult;  ///< RSRP result
        bool haveRsrqResult; ///< have RSRQ result?
        uint8_t rsrqResult;  ///< RSRQ result
    };

    /// MeasResultSCell structure
    struct MeasResultSCell
    {
        uint8_t rsrpResult; ///< the RSRP result
        uint8_t rsrqResult; ///< the RSRQ result
    };

    /// MeasResultBestNeighCell structure
    struct MeasResultBestNeighCell
    {
        uint16_t physCellId; ///< physical cell ID
        uint8_t rsrpResult;  ///< the RSRP result
        uint8_t rsrqResult;  ///< the RSRQ result
    };

    /// MeasResultServFreq structure
    struct MeasResultServFreq
    {
        uint16_t servFreqId;                             ///< serving cell index
        bool haveMeasResultSCell;                        ///< have measResultSCell?
        MeasResultSCell measResultSCell;                 ///< SCell measurement results
        bool haveMeasResultBestNeighCell;                ///< have measResultBestNeighCell?
        MeasResultBestNeighCell measResultBestNeighCell; ///< best neighbor cell measurement results
    };

    /// MeasResults structure
    struct MeasResults
    {
        uint8_t measId;                                 ///< measure ID
        MeasResultPCell measResultPCell;                ///< measurement result primary cell
        bool haveMeasResultNeighCells;                  ///< have measure result neighbor cells
        std::list<MeasResultEutra> measResultListEutra; ///< measure result list eutra
        bool haveMeasResultServFreqList;                ///< has measResultServFreqList-r10
        std::list<MeasResultServFreq> measResultServFreqList; ///< MeasResultServFreqList-r10
    };

    // Messages

    /// RrcConnectionRequest structure
    struct RrcConnectionRequest
    {
        uint64_t ueIdentity; ///< UE identity
    };

    /// RrcConnectionSetup structure
    struct RrcConnectionSetup
    {
        uint8_t rrcTransactionIdentifier; ///< RRC transaction identifier
        RadioResourceConfigDedicated
            radioResourceConfigDedicated; ///< radio resource config dedicated
    };

    /// RrcConnectionSetupCompleted structure
    struct RrcConnectionSetupCompleted
    {
        uint8_t rrcTransactionIdentifier; ///< RRC transaction identifier
    };

    /// CellIdentification structure
    struct CellIdentification
    {
        uint32_t physCellId;    ///< physical cell ID
        uint32_t dlCarrierFreq; ///< ARFCN - valueEUTRA
    };

    /// AntennaInfoCommon structure
    struct AntennaInfoCommon
    {
        uint16_t antennaPortsCount; ///< antenna ports count
    };

    /// UlPowerControlCommonSCell structure
    struct UlPowerControlCommonSCell
    {
        uint16_t alpha; ///< alpha value
    };

    /// PrachConfigSCell structure
    struct PrachConfigSCell
    {
        uint16_t index; ///< the index
    };

    /// NonUlConfiguration structure
    struct NonUlConfiguration
    {
        // 3GPP TS 36.311 v.11.10 R11 pag.220
        /// 1: Cell characteristics
        uint16_t dlBandwidth;
        /// 2: Physical configuration, general antennaInfoCommon-r10
        AntennaInfoCommon antennaInfoCommon;
        // 3: Physical configuration, control phich-Config-r10
        // Not Implemented
        /// 4: Physical configuration, physical channels pdsch-ConfigCommon-r10
        PdschConfigCommon pdschConfigCommon;
        // 5: tdd-Config-r10
        // Not Implemented
    };

    /// UlConfiguration structure
    struct UlConfiguration
    {
        FreqInfo ulFreqInfo;                                 ///< UL frequency info
        UlPowerControlCommonSCell ulPowerControlCommonSCell; ///< 3GPP TS 36.331 v.11.10 R11 pag.223
        SoundingRsUlConfigCommon soundingRsUlConfigCommon;   ///< sounding RS UL config common
        PrachConfigSCell prachConfigSCell;                   ///< PRACH config SCell
        // PushConfigCommon pushConfigCommon; //NOT IMPLEMENTED!
    };

    /// AntennaInfoUl structure
    struct AntennaInfoUl
    {
        uint8_t transmissionMode; ///< transmission mode
    };

    /// PuschConfigDedicatedSCell structure
    struct PuschConfigDedicatedSCell
    {
        /// 3GPP TS 36.331 v.11.10 R11 page 216
        uint16_t nPuschIdentity;
    };

    /// UlPowerControlDedicatedSCell structure
    struct UlPowerControlDedicatedSCell
    {
        /// 3GPP TS 36.331 v.11.10 R11 page 234
        uint16_t pSrsOffset;
    };

    /// PhysicalConfigDedicatedSCell structure
    struct PhysicalConfigDedicatedSCell
    {
        // Non-Ul Configuration
        bool haveNonUlConfiguration;       ///< have non UL configuration?
        bool haveAntennaInfoDedicated;     ///< have antenna info dedicated?
        AntennaInfoDedicated antennaInfo;  ///< antenna info dedicated
        bool crossCarrierSchedulingConfig; ///< currently implemented as boolean variable -->
                                           ///< implementing crossCarrierScheduling is out of the
                                           ///< scope of this GSoC proposal
        bool havePdschConfigDedicated;     ///< have PDSCH config dedicated?
        PdschConfigDedicated pdschConfigDedicated; ///< PDSCH config dedicated

        // Ul Configuration
        bool haveUlConfiguration;                           ///< have UL configuration?
        bool haveAntennaInfoUlDedicated;                    ///< have antenna info UL dedicated?
        AntennaInfoDedicated antennaInfoUl;                 ///< antenna info UL
        PuschConfigDedicatedSCell pushConfigDedicatedSCell; ///< PUSCH config dedicated SCell
        UlPowerControlDedicatedSCell
            ulPowerControlDedicatedSCell;     ///< UL power control dedicated SCell
        bool haveSoundingRsUlConfigDedicated; ///< have sounding RS UL config dedicated?
        SoundingRsUlConfigDedicated
            soundingRsUlConfigDedicated; ///< sounding RS UL config dedicated
    };

    /// RadioResourceConfigCommonSCell
    struct RadioResourceConfigCommonSCell
    {
        bool haveNonUlConfiguration;           ///< have non UL configuration?
        NonUlConfiguration nonUlConfiguration; ///< non UL configuration
        bool haveUlConfiguration;              ///< have UL configuration
        UlConfiguration ulConfiguration;       ///< UL configuration
    };

    /// RadioResourceConfigDedicatedSCell structure
    struct RadioResourceConfigDedicatedSCell
    {
        PhysicalConfigDedicatedSCell
            physicalConfigDedicatedSCell; ///< physical config dedicated SCell
    };

    /// SCellToAddMod structure
    struct SCellToAddMod
    {
        uint32_t sCellIndex;                   ///< SCell index
        CellIdentification cellIdentification; ///< cell identification
        RadioResourceConfigCommonSCell
            radioResourceConfigCommonSCell;         ///< radio resource config common SCell
        bool haveRadioResourceConfigDedicatedSCell; ///< have radio resource config dedicated SCell?
        RadioResourceConfigDedicatedSCell
            radioResourceConfigDedicatedSCell; ///< radio resource config dedicated SCell
    };

    /// NonCriticalExtensionConfiguration structure
    struct NonCriticalExtensionConfiguration
    {
        std::list<SCellToAddMod> sCellToAddModList; ///< SCell to add mod list
        std::list<uint8_t> sCellToReleaseList;      ///< SCell to release list
    };

    /// RrcConnectionReconfiguration structure
    struct RrcConnectionReconfiguration
    {
        uint8_t rrcTransactionIdentifier;        ///< RRC transaction identifier
        bool haveMeasConfig;                     ///< have measure config
        MeasConfig measConfig;                   ///< measure config
        bool haveMobilityControlInfo;            ///< have mobility control info
        MobilityControlInfo mobilityControlInfo; ///< mobility control info
        bool haveRadioResourceConfigDedicated;   ///< have radio resource config dedicated
        RadioResourceConfigDedicated
            radioResourceConfigDedicated; ///< radio resource config dedicated
        bool haveNonCriticalExtension;    ///< have critical extension?
        /// 3GPP TS 36.331 v.11.10 R11 Sec. 6.2.2 pag. 147 (also known as ETSI TS 136 331 v.11.10
        /// Feb-2015)
        NonCriticalExtensionConfiguration nonCriticalExtension;
    };

    /// RrcConnectionReconfigurationCompleted structure
    struct RrcConnectionReconfigurationCompleted
    {
        uint8_t rrcTransactionIdentifier; ///< RRC transaction identifier
    };

    /// RrcConnectionReestablishmentRequest structure
    struct RrcConnectionReestablishmentRequest
    {
        ReestabUeIdentity ueIdentity;              ///< UE identity
        ReestablishmentCause reestablishmentCause; ///< reestablishment cause
    };

    /// RrcConnectionReestablishment structure
    struct RrcConnectionReestablishment
    {
        uint8_t rrcTransactionIdentifier; ///< RRC transaction identifier
        RadioResourceConfigDedicated
            radioResourceConfigDedicated; ///< radio resource config dedicated
    };

    /// RrcConnectionReestablishmentComplete structure
    struct RrcConnectionReestablishmentComplete
    {
        uint8_t rrcTransactionIdentifier; ///< RRC transaction identifier
    };

    /// RrcConnectionReestablishmentReject structure
    struct RrcConnectionReestablishmentReject
    {
    };

    /// RrcConnectionRelease structure
    struct RrcConnectionRelease
    {
        uint8_t rrcTransactionIdentifier; ///< RRC transaction identifier
    };

    /// RrcConnectionReject structure
    struct RrcConnectionReject
    {
        uint8_t waitTime; ///< wait time
    };

    /// HandoverPreparationInfo structure
    struct HandoverPreparationInfo
    {
        AsConfig asConfig; ///< AS config
    };

    /// MeasurementReport structure
    struct MeasurementReport
    {
        MeasResults measResults; ///< measure results
    };
};

/**
 * \brief Part of the RRC protocol. This Service Access Point (SAP) is used by
 *        the UE RRC to send messages to the eNB. Each method defined in this
 *        class corresponds to the transmission of a message that is defined in
 *        Section 6.2.2 of TS 36.331.
 */
class LteUeRrcSapUser : public LteRrcSap
{
  public:
    /// SetupParameters structure
    struct SetupParameters
    {
        LteRlcSapProvider* srb0SapProvider;  ///< SRB0 SAP provider
        LtePdcpSapProvider* srb1SapProvider; ///< SRB1 SAP provider
    };

    /**
     * \brief Setup function
     * \param params the setup parameters
     */
    virtual void Setup(SetupParameters params) = 0;

    /**
     * \brief Send an _RRCConnectionRequest message to the serving eNodeB
     *        during an RRC connection establishment procedure
     *        (Section 5.3.3 of TS 36.331).
     * \param msg the message
     */
    virtual void SendRrcConnectionRequest(RrcConnectionRequest msg) = 0;

    /**
     * \brief Send an _RRCConnectionSetupComplete_ message to the serving eNodeB
     *        during an RRC connection establishment procedure
     *        (Section 5.3.3 of TS 36.331).
     * \param msg the message
     */
    virtual void SendRrcConnectionSetupCompleted(RrcConnectionSetupCompleted msg) = 0;

    /**
     * \brief Send an _RRCConnectionReconfigurationComplete_ message to the serving eNodeB
     *        during an RRC connection reconfiguration procedure
     *        (Section 5.3.5 of TS 36.331).
     * \param msg the message
     */
    virtual void SendRrcConnectionReconfigurationCompleted(
        RrcConnectionReconfigurationCompleted msg) = 0;

    /**
     * \brief Send an _RRCConnectionReestablishmentRequest_ message to the serving eNodeB
     *        during an RRC connection re-establishment procedure
     *        (Section 5.3.7 of TS 36.331).
     * \param msg the message
     */
    virtual void SendRrcConnectionReestablishmentRequest(
        RrcConnectionReestablishmentRequest msg) = 0;

    /**
     * \brief Send an _RRCConnectionReestablishmentComplete_ message to the serving eNodeB
     *        during an RRC connection re-establishment procedure
     *        (Section 5.3.7 of TS 36.331).
     * \param msg the message
     */
    virtual void SendRrcConnectionReestablishmentComplete(
        RrcConnectionReestablishmentComplete msg) = 0;

    /**
     * \brief Send a _MeasurementReport_ message to the serving eNodeB
     *        during a measurement reporting procedure
     *        (Section 5.5.5 of TS 36.331).
     * \param msg the message
     */
    virtual void SendMeasurementReport(MeasurementReport msg) = 0;

    /**
     * \brief Send UE context remove request function
     *
     * Request eNodeB to remove UE context once radio link failure or
     * random access failure is detected. It is needed since no RLF
     * detection mechanism at eNodeB is implemented.
     *
     * \param rnti the C-RNTI of the UE
     */
    virtual void SendIdealUeContextRemoveRequest(uint16_t rnti) = 0;
};

/**
 * \brief Part of the RRC protocol. This Service Access Point (SAP) is used to
 *        let the UE RRC receive a message from the eNB RRC. Each method defined
 *        in this class corresponds to the reception of a message that is
 *        defined in Section 6.2.2 of TS 36.331.
 */
class LteUeRrcSapProvider : public LteRrcSap
{
  public:
    /// CompleteSetupParameters structure
    struct CompleteSetupParameters
    {
        LteRlcSapUser* srb0SapUser;  ///< SRB0 SAP user
        LtePdcpSapUser* srb1SapUser; ///< SRB1 SAP user
    };

    /**
     * \brief Complete setup function
     * \param params the complete setup parameters
     */
    virtual void CompleteSetup(CompleteSetupParameters params) = 0;

    /**
     * \brief Receive a _SystemInformation_ message from the serving eNodeB
     *        during a system information acquisition procedure
     *        (Section 5.2.2 of TS 36.331).
     * \param msg the message
     */
    virtual void RecvSystemInformation(SystemInformation msg) = 0;

    /**
     * \brief Receive an _RRCConnectionSetup_ message from the serving eNodeB
     *        during an RRC connection establishment procedure
     *        (Section 5.3.3 of TS 36.331).
     * \param msg the message
     */
    virtual void RecvRrcConnectionSetup(RrcConnectionSetup msg) = 0;

    /**
     * \brief Receive an _RRCConnectionReconfiguration_ message from the serving eNodeB
     *        during an RRC connection reconfiguration procedure
     *        (Section 5.3.5 of TS 36.331).
     * \param msg the message
     */
    virtual void RecvRrcConnectionReconfiguration(RrcConnectionReconfiguration msg) = 0;

    /**
     * \brief Receive an _RRCConnectionReestablishment_ message from the serving eNodeB
     *        during an RRC connection re-establishment procedure
     *        (Section 5.3.7 of TS 36.331).
     * \param msg the message
     */
    virtual void RecvRrcConnectionReestablishment(RrcConnectionReestablishment msg) = 0;

    /**
     * \brief Receive an _RRCConnectionReestablishmentReject_ message from the serving eNodeB
     *        during an RRC connection re-establishment procedure
     *        (Section 5.3.7 of TS 36.331).
     * \param msg the message
     */
    virtual void RecvRrcConnectionReestablishmentReject(RrcConnectionReestablishmentReject msg) = 0;

    /**
     * \brief Receive an _RRCConnectionRelease_ message from the serving eNodeB
     *        during an RRC connection release procedure
     *        (Section 5.3.8 of TS 36.331).
     * \param msg the message
     */
    virtual void RecvRrcConnectionRelease(RrcConnectionRelease msg) = 0;

    /**
     * \brief Receive an _RRCConnectionReject_ message from the serving eNodeB
     *        during an RRC connection establishment procedure
     *        (Section 5.3.3 of TS 36.331).
     * \param msg the message
     */
    virtual void RecvRrcConnectionReject(RrcConnectionReject msg) = 0;
};

/**
 * \brief Part of the RRC protocol. This Service Access Point (SAP) is used by
 *        the eNB RRC to send messages to the UE RRC.  Each method defined in
 *        this class corresponds to the transmission of a message that is
 *        defined in Section 6.2.2 of TS 36.331.
 */
class LteEnbRrcSapUser : public LteRrcSap
{
  public:
    /// SetupUeParameters structure
    struct SetupUeParameters
    {
        LteRlcSapProvider* srb0SapProvider;  ///< SRB0 SAP provider
        LtePdcpSapProvider* srb1SapProvider; ///< SRB1 SAP provider
    };

    /**
     * \brief Setup UE function
     * \param rnti the RNTI
     * \param params the setup UE parameters
     */
    virtual void SetupUe(uint16_t rnti, SetupUeParameters params) = 0;
    /**
     * \brief Remove UE function
     * \param rnti the RNTI
     */
    virtual void RemoveUe(uint16_t rnti) = 0;

    /**
     * \brief Send a _SystemInformation_ message to all attached UEs
     *        during a system information acquisition procedure
     *        (Section 5.2.2 of TS 36.331).
     * \param cellId cell ID
     * \param msg the message
     */
    virtual void SendSystemInformation(uint16_t cellId, SystemInformation msg) = 0;

    /**
     * \brief Send an _RRCConnectionSetup_ message to a UE
     *        during an RRC connection establishment procedure
     *        (Section 5.3.3 of TS 36.331).
     * \param rnti the RNTI of the destination UE
     * \param msg the message
     */
    virtual void SendRrcConnectionSetup(uint16_t rnti, RrcConnectionSetup msg) = 0;

    /**
     * \brief Send an _RRCConnectionReconfiguration_ message to a UE
     *        during an RRC connection reconfiguration procedure
     *        (Section 5.3.5 of TS 36.331).
     * \param rnti the RNTI of the destination UE
     * \param msg the message
     */
    virtual void SendRrcConnectionReconfiguration(uint16_t rnti,
                                                  RrcConnectionReconfiguration msg) = 0;

    /**
     * \brief Send an _RRCConnectionReestablishment_ message to a UE
     *        during an RRC connection re-establishment procedure
     *        (Section 5.3.7 of TS 36.331).
     * \param rnti the RNTI of the destination UE
     * \param msg the message
     */
    virtual void SendRrcConnectionReestablishment(uint16_t rnti,
                                                  RrcConnectionReestablishment msg) = 0;

    /**
     * \brief Send an _RRCConnectionReestablishmentReject_ message to a UE
     *        during an RRC connection re-establishment procedure
     *        (Section 5.3.7 of TS 36.331).
     * \param rnti the RNTI of the destination UE
     * \param msg the message
     */
    virtual void SendRrcConnectionReestablishmentReject(uint16_t rnti,
                                                        RrcConnectionReestablishmentReject msg) = 0;

    /**
     * \brief Send an _RRCConnectionRelease_ message to a UE
     *        during an RRC connection release procedure
     *        (Section 5.3.8 of TS 36.331).
     * \param rnti the RNTI of the destination UE
     * \param msg the message
     */
    virtual void SendRrcConnectionRelease(uint16_t rnti, RrcConnectionRelease msg) = 0;

    /**
     * \brief Send an _RRCConnectionReject_ message to a UE
     *        during an RRC connection establishment procedure
     *        (Section 5.3.3 of TS 36.331).
     * \param rnti the RNTI of the destination UE
     * \param msg the message
     */
    virtual void SendRrcConnectionReject(uint16_t rnti, RrcConnectionReject msg) = 0;

    /**
     * \brief Encode handover prepration information
     * \param msg HandoverPreparationInfo
     * \returns the packet
     */
    virtual Ptr<Packet> EncodeHandoverPreparationInformation(HandoverPreparationInfo msg) = 0;
    /**
     * \brief Decode handover prepration information
     * \param p the packet
     * \returns HandoverPreparationInfo
     */
    virtual HandoverPreparationInfo DecodeHandoverPreparationInformation(Ptr<Packet> p) = 0;
    /**
     * \brief Encode handover command
     * \param msg RrcConnectionReconfiguration
     * \returns the packet
     */
    virtual Ptr<Packet> EncodeHandoverCommand(RrcConnectionReconfiguration msg) = 0;
    /**
     * \brief Decode handover command
     * \param p the packet
     * \returns RrcConnectionReconfiguration
     */
    virtual RrcConnectionReconfiguration DecodeHandoverCommand(Ptr<Packet> p) = 0;
};

/**
 * \brief Part of the RRC protocol. This Service Access Point (SAP) is used to
 *        let the eNB RRC receive a message from a UE RRC.  Each method defined
 *        in this class corresponds to the reception of a message that is
 *        defined in Section 6.2.2 of TS 36.331.
 */
class LteEnbRrcSapProvider : public LteRrcSap
{
  public:
    /// CompleteSetupUeParameters structure
    struct CompleteSetupUeParameters
    {
        LteRlcSapUser* srb0SapUser;  ///< SRB0 SAP user
        LtePdcpSapUser* srb1SapUser; ///< SRB1 SAP user
    };

    /**
     * \brief Complete setup UE function
     * \param rnti the RNTI of UE which sent the message
     * \param params CompleteSetupUeParameters
     */
    virtual void CompleteSetupUe(uint16_t rnti, CompleteSetupUeParameters params) = 0;

    /**
     * \brief Receive an _RRCConnectionRequest_ message from a UE
     *        during an RRC connection establishment procedure
     *        (Section 5.3.3 of TS 36.331).
     * \param rnti the RNTI of UE which sent the message
     * \param msg the message
     */
    virtual void RecvRrcConnectionRequest(uint16_t rnti, RrcConnectionRequest msg) = 0;

    /**
     * \brief Receive an _RRCConnectionSetupComplete_ message from a UE
     *        during an RRC connection establishment procedure
     *        (Section 5.3.3 of TS 36.331).
     * \param rnti the RNTI of UE which sent the message
     * \param msg the message
     */
    virtual void RecvRrcConnectionSetupCompleted(uint16_t rnti,
                                                 RrcConnectionSetupCompleted msg) = 0;

    /**
     * \brief Receive an _RRCConnectionReconfigurationComplete_ message from a UE
     *        during an RRC connection reconfiguration procedure
     *        (Section 5.3.5 of TS 36.331).
     * \param rnti the RNTI of UE which sent the message
     * \param msg the message
     */
    virtual void RecvRrcConnectionReconfigurationCompleted(
        uint16_t rnti,
        RrcConnectionReconfigurationCompleted msg) = 0;

    /**
     * \brief Receive an _RRCConnectionReestablishmentRequest_ message from a UE
     *        during an RRC connection re-establishment procedure
     *        (Section 5.3.7 of TS 36.331).
     * \param rnti the RNTI of UE which sent the message
     * \param msg the message
     */
    virtual void RecvRrcConnectionReestablishmentRequest(
        uint16_t rnti,
        RrcConnectionReestablishmentRequest msg) = 0;

    /**
     * \brief Receive an _RRCConnectionReestablishmentComplete_ message from a UE
     *        during an RRC connection re-establishment procedure
     *        (Section 5.3.7 of TS 36.331).
     * \param rnti the RNTI of UE which sent the message
     * \param msg the message
     */
    virtual void RecvRrcConnectionReestablishmentComplete(
        uint16_t rnti,
        RrcConnectionReestablishmentComplete msg) = 0;

    /**
     * \brief Receive a _MeasurementReport_ message from a UE
     *        during a measurement reporting procedure
     *        (Section 5.5.5 of TS 36.331).
     * \param rnti the RNTI of UE which sent the message
     * \param msg the message
     */
    virtual void RecvMeasurementReport(uint16_t rnti, MeasurementReport msg) = 0;

    /**
     * \brief Receive ideal UE context remove request from the UE RRC.
     *
     * Receive the notification from UE to remove the UE context
     * once radio link failure or random access failure is detected.
     * It is needed since no RLF detection mechanism at eNodeB is implemented.
     *
     * \param rnti the C-RNTI of the UE
     */
    virtual void RecvIdealUeContextRemoveRequest(uint16_t rnti) = 0;
};

////////////////////////////////////
//   templates
////////////////////////////////////

/**
 * Template for the implementation of the LteUeRrcSapUser as a member
 * of an owner class of type C to which all methods are forwarded
 *
 */
template <class C>
class MemberLteUeRrcSapUser : public LteUeRrcSapUser
{
  public:
    /**
     * Constructor
     *
     * \param owner the owner class
     */
    MemberLteUeRrcSapUser(C* owner);

    // Delete default constructor to avoid misuse
    MemberLteUeRrcSapUser() = delete;

    // inherited from LteUeRrcSapUser
    void Setup(SetupParameters params) override;
    void SendRrcConnectionRequest(RrcConnectionRequest msg) override;
    void SendRrcConnectionSetupCompleted(RrcConnectionSetupCompleted msg) override;
    void SendRrcConnectionReconfigurationCompleted(
        RrcConnectionReconfigurationCompleted msg) override;
    void SendRrcConnectionReestablishmentRequest(RrcConnectionReestablishmentRequest msg) override;
    void SendRrcConnectionReestablishmentComplete(
        RrcConnectionReestablishmentComplete msg) override;
    void SendMeasurementReport(MeasurementReport msg) override;
    void SendIdealUeContextRemoveRequest(uint16_t rnti) override;

  private:
    C* m_owner; ///< the owner class
};

template <class C>
MemberLteUeRrcSapUser<C>::MemberLteUeRrcSapUser(C* owner)
    : m_owner(owner)
{
}

template <class C>
void
MemberLteUeRrcSapUser<C>::Setup(SetupParameters params)
{
    m_owner->DoSetup(params);
}

template <class C>
void
MemberLteUeRrcSapUser<C>::SendRrcConnectionRequest(RrcConnectionRequest msg)
{
    m_owner->DoSendRrcConnectionRequest(msg);
}

template <class C>
void
MemberLteUeRrcSapUser<C>::SendRrcConnectionSetupCompleted(RrcConnectionSetupCompleted msg)
{
    m_owner->DoSendRrcConnectionSetupCompleted(msg);
}

template <class C>
void
MemberLteUeRrcSapUser<C>::SendRrcConnectionReconfigurationCompleted(
    RrcConnectionReconfigurationCompleted msg)
{
    m_owner->DoSendRrcConnectionReconfigurationCompleted(msg);
}

template <class C>
void
MemberLteUeRrcSapUser<C>::SendRrcConnectionReestablishmentRequest(
    RrcConnectionReestablishmentRequest msg)
{
    m_owner->DoSendRrcConnectionReestablishmentRequest(msg);
}

template <class C>
void
MemberLteUeRrcSapUser<C>::SendRrcConnectionReestablishmentComplete(
    RrcConnectionReestablishmentComplete msg)
{
    m_owner->DoSendRrcConnectionReestablishmentComplete(msg);
}

template <class C>
void
MemberLteUeRrcSapUser<C>::SendMeasurementReport(MeasurementReport msg)
{
    m_owner->DoSendMeasurementReport(msg);
}

template <class C>
void
MemberLteUeRrcSapUser<C>::SendIdealUeContextRemoveRequest(uint16_t rnti)
{
    m_owner->DoSendIdealUeContextRemoveRequest(rnti);
}

/**
 * Template for the implementation of the LteUeRrcSapProvider as a member
 * of an owner class of type C to which all methods are forwarded
 */
template <class C>
class MemberLteUeRrcSapProvider : public LteUeRrcSapProvider
{
  public:
    /**
     * Constructor
     *
     * \param owner the owner class
     */
    MemberLteUeRrcSapProvider(C* owner);

    // Delete default constructor to avoid misuse
    MemberLteUeRrcSapProvider() = delete;

    // methods inherited from LteUeRrcSapProvider go here
    void CompleteSetup(CompleteSetupParameters params) override;
    void RecvSystemInformation(SystemInformation msg) override;
    void RecvRrcConnectionSetup(RrcConnectionSetup msg) override;
    void RecvRrcConnectionReconfiguration(RrcConnectionReconfiguration msg) override;
    void RecvRrcConnectionReestablishment(RrcConnectionReestablishment msg) override;
    void RecvRrcConnectionReestablishmentReject(RrcConnectionReestablishmentReject msg) override;
    void RecvRrcConnectionRelease(RrcConnectionRelease msg) override;
    void RecvRrcConnectionReject(RrcConnectionReject msg) override;

  private:
    C* m_owner; ///< the owner class
};

template <class C>
MemberLteUeRrcSapProvider<C>::MemberLteUeRrcSapProvider(C* owner)
    : m_owner(owner)
{
}

template <class C>
void
MemberLteUeRrcSapProvider<C>::CompleteSetup(CompleteSetupParameters params)
{
    m_owner->DoCompleteSetup(params);
}

template <class C>
void
MemberLteUeRrcSapProvider<C>::RecvSystemInformation(SystemInformation msg)
{
    Simulator::ScheduleNow(&C::DoRecvSystemInformation, m_owner, msg);
}

template <class C>
void
MemberLteUeRrcSapProvider<C>::RecvRrcConnectionSetup(RrcConnectionSetup msg)
{
    Simulator::ScheduleNow(&C::DoRecvRrcConnectionSetup, m_owner, msg);
}

template <class C>
void
MemberLteUeRrcSapProvider<C>::RecvRrcConnectionReconfiguration(RrcConnectionReconfiguration msg)
{
    Simulator::ScheduleNow(&C::DoRecvRrcConnectionReconfiguration, m_owner, msg);
}

template <class C>
void
MemberLteUeRrcSapProvider<C>::RecvRrcConnectionReestablishment(RrcConnectionReestablishment msg)
{
    Simulator::ScheduleNow(&C::DoRecvRrcConnectionReestablishment, m_owner, msg);
}

template <class C>
void
MemberLteUeRrcSapProvider<C>::RecvRrcConnectionReestablishmentReject(
    RrcConnectionReestablishmentReject msg)
{
    Simulator::ScheduleNow(&C::DoRecvRrcConnectionReestablishmentReject, m_owner, msg);
}

template <class C>
void
MemberLteUeRrcSapProvider<C>::RecvRrcConnectionRelease(RrcConnectionRelease msg)
{
    Simulator::ScheduleNow(&C::DoRecvRrcConnectionRelease, m_owner, msg);
}

template <class C>
void
MemberLteUeRrcSapProvider<C>::RecvRrcConnectionReject(RrcConnectionReject msg)
{
    Simulator::ScheduleNow(&C::DoRecvRrcConnectionReject, m_owner, msg);
}

/**
 * Template for the implementation of the LteEnbRrcSapUser as a member
 * of an owner class of type C to which all methods are forwarded
 *
 */
template <class C>
class MemberLteEnbRrcSapUser : public LteEnbRrcSapUser
{
  public:
    /**
     * Constructor
     *
     * \param owner the owner class
     */
    MemberLteEnbRrcSapUser(C* owner);

    // Delete default constructor to avoid misuse
    MemberLteEnbRrcSapUser() = delete;

    // inherited from LteEnbRrcSapUser
    void SetupUe(uint16_t rnti, SetupUeParameters params) override;
    void RemoveUe(uint16_t rnti) override;
    void SendSystemInformation(uint16_t cellId, SystemInformation msg) override;
    void SendRrcConnectionSetup(uint16_t rnti, RrcConnectionSetup msg) override;
    void SendRrcConnectionReconfiguration(uint16_t rnti, RrcConnectionReconfiguration msg) override;
    void SendRrcConnectionReestablishment(uint16_t rnti, RrcConnectionReestablishment msg) override;
    void SendRrcConnectionReestablishmentReject(uint16_t rnti,
                                                RrcConnectionReestablishmentReject msg) override;
    void SendRrcConnectionRelease(uint16_t rnti, RrcConnectionRelease msg) override;
    void SendRrcConnectionReject(uint16_t rnti, RrcConnectionReject msg) override;
    Ptr<Packet> EncodeHandoverPreparationInformation(HandoverPreparationInfo msg) override;
    HandoverPreparationInfo DecodeHandoverPreparationInformation(Ptr<Packet> p) override;
    Ptr<Packet> EncodeHandoverCommand(RrcConnectionReconfiguration msg) override;
    RrcConnectionReconfiguration DecodeHandoverCommand(Ptr<Packet> p) override;

  private:
    C* m_owner; ///< the owner class
};

template <class C>
MemberLteEnbRrcSapUser<C>::MemberLteEnbRrcSapUser(C* owner)
    : m_owner(owner)
{
}

template <class C>
void
MemberLteEnbRrcSapUser<C>::SetupUe(uint16_t rnti, SetupUeParameters params)
{
    m_owner->DoSetupUe(rnti, params);
}

template <class C>
void
MemberLteEnbRrcSapUser<C>::RemoveUe(uint16_t rnti)
{
    m_owner->DoRemoveUe(rnti);
}

template <class C>
void
MemberLteEnbRrcSapUser<C>::SendSystemInformation(uint16_t cellId, SystemInformation msg)
{
    m_owner->DoSendSystemInformation(cellId, msg);
}

template <class C>
void
MemberLteEnbRrcSapUser<C>::SendRrcConnectionSetup(uint16_t rnti, RrcConnectionSetup msg)
{
    m_owner->DoSendRrcConnectionSetup(rnti, msg);
}

template <class C>
void
MemberLteEnbRrcSapUser<C>::SendRrcConnectionReconfiguration(uint16_t rnti,
                                                            RrcConnectionReconfiguration msg)
{
    m_owner->DoSendRrcConnectionReconfiguration(rnti, msg);
}

template <class C>
void
MemberLteEnbRrcSapUser<C>::SendRrcConnectionReestablishment(uint16_t rnti,
                                                            RrcConnectionReestablishment msg)
{
    m_owner->DoSendRrcConnectionReestablishment(rnti, msg);
}

template <class C>
void
MemberLteEnbRrcSapUser<C>::SendRrcConnectionReestablishmentReject(
    uint16_t rnti,
    RrcConnectionReestablishmentReject msg)
{
    m_owner->DoSendRrcConnectionReestablishmentReject(rnti, msg);
}

template <class C>
void
MemberLteEnbRrcSapUser<C>::SendRrcConnectionRelease(uint16_t rnti, RrcConnectionRelease msg)
{
    m_owner->DoSendRrcConnectionRelease(rnti, msg);
}

template <class C>
void
MemberLteEnbRrcSapUser<C>::SendRrcConnectionReject(uint16_t rnti, RrcConnectionReject msg)
{
    m_owner->DoSendRrcConnectionReject(rnti, msg);
}

template <class C>
Ptr<Packet>
MemberLteEnbRrcSapUser<C>::EncodeHandoverPreparationInformation(HandoverPreparationInfo msg)
{
    return m_owner->DoEncodeHandoverPreparationInformation(msg);
}

template <class C>
LteRrcSap::HandoverPreparationInfo
MemberLteEnbRrcSapUser<C>::DecodeHandoverPreparationInformation(Ptr<Packet> p)
{
    return m_owner->DoDecodeHandoverPreparationInformation(p);
}

template <class C>
Ptr<Packet>
MemberLteEnbRrcSapUser<C>::EncodeHandoverCommand(RrcConnectionReconfiguration msg)
{
    return m_owner->DoEncodeHandoverCommand(msg);
}

template <class C>
LteRrcSap::RrcConnectionReconfiguration
MemberLteEnbRrcSapUser<C>::DecodeHandoverCommand(Ptr<Packet> p)
{
    return m_owner->DoDecodeHandoverCommand(p);
}

/**
 * Template for the implementation of the LteEnbRrcSapProvider as a member
 * of an owner class of type C to which all methods are forwarded
 */
template <class C>
class MemberLteEnbRrcSapProvider : public LteEnbRrcSapProvider
{
  public:
    /**
     * Constructor
     *
     * \param owner
     */
    MemberLteEnbRrcSapProvider(C* owner);

    // Delete default constructor to avoid misuse
    MemberLteEnbRrcSapProvider() = delete;

    // methods inherited from LteEnbRrcSapProvider go here
    void CompleteSetupUe(uint16_t rnti, CompleteSetupUeParameters params) override;
    void RecvRrcConnectionRequest(uint16_t rnti, RrcConnectionRequest msg) override;
    void RecvRrcConnectionSetupCompleted(uint16_t rnti, RrcConnectionSetupCompleted msg) override;
    void RecvRrcConnectionReconfigurationCompleted(
        uint16_t rnti,
        RrcConnectionReconfigurationCompleted msg) override;
    void RecvRrcConnectionReestablishmentRequest(uint16_t rnti,
                                                 RrcConnectionReestablishmentRequest msg) override;
    void RecvRrcConnectionReestablishmentComplete(
        uint16_t rnti,
        RrcConnectionReestablishmentComplete msg) override;
    void RecvMeasurementReport(uint16_t rnti, MeasurementReport msg) override;
    void RecvIdealUeContextRemoveRequest(uint16_t rnti) override;

  private:
    C* m_owner; ///< the owner class
};

template <class C>
MemberLteEnbRrcSapProvider<C>::MemberLteEnbRrcSapProvider(C* owner)
    : m_owner(owner)
{
}

template <class C>
void
MemberLteEnbRrcSapProvider<C>::CompleteSetupUe(uint16_t rnti, CompleteSetupUeParameters params)
{
    m_owner->DoCompleteSetupUe(rnti, params);
}

template <class C>
void
MemberLteEnbRrcSapProvider<C>::RecvRrcConnectionRequest(uint16_t rnti, RrcConnectionRequest msg)
{
    Simulator::ScheduleNow(&C::DoRecvRrcConnectionRequest, m_owner, rnti, msg);
}

template <class C>
void
MemberLteEnbRrcSapProvider<C>::RecvRrcConnectionSetupCompleted(uint16_t rnti,
                                                               RrcConnectionSetupCompleted msg)
{
    Simulator::ScheduleNow(&C::DoRecvRrcConnectionSetupCompleted, m_owner, rnti, msg);
}

template <class C>
void
MemberLteEnbRrcSapProvider<C>::RecvRrcConnectionReconfigurationCompleted(
    uint16_t rnti,
    RrcConnectionReconfigurationCompleted msg)
{
    Simulator::ScheduleNow(&C::DoRecvRrcConnectionReconfigurationCompleted, m_owner, rnti, msg);
}

template <class C>
void
MemberLteEnbRrcSapProvider<C>::RecvRrcConnectionReestablishmentRequest(
    uint16_t rnti,
    RrcConnectionReestablishmentRequest msg)
{
    Simulator::ScheduleNow(&C::DoRecvRrcConnectionReestablishmentRequest, m_owner, rnti, msg);
}

template <class C>
void
MemberLteEnbRrcSapProvider<C>::RecvRrcConnectionReestablishmentComplete(
    uint16_t rnti,
    RrcConnectionReestablishmentComplete msg)
{
    Simulator::ScheduleNow(&C::DoRecvRrcConnectionReestablishmentComplete, m_owner, rnti, msg);
}

template <class C>
void
MemberLteEnbRrcSapProvider<C>::RecvMeasurementReport(uint16_t rnti, MeasurementReport msg)
{
    Simulator::ScheduleNow(&C::DoRecvMeasurementReport, m_owner, rnti, msg);
}

template <class C>
void
MemberLteEnbRrcSapProvider<C>::RecvIdealUeContextRemoveRequest(uint16_t rnti)
{
    Simulator::ScheduleNow(&C::DoRecvIdealUeContextRemoveRequest, m_owner, rnti);
}

} // namespace ns3

#endif // LTE_RRC_SAP_H
