animation-interface.h

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/*
 * SPDX-License-Identifier: GPL-2.0-only
 *
 * Author: George F. Riley<riley@ece.gatech.edu>
 * Author: John Abraham <john.abraham@gatech.edu>
 * Contributions: Eugene Kalishenko <ydginster@gmail.com> (Open Source and Linux Laboratory
 * http://wiki.osll.ru/doku.php/start)
 */
 
// Interface between ns3 and the network animator
 
#ifndef ANIMATION_INTERFACE__H
#define ANIMATION_INTERFACE__H
 
#include "ns3/config.h"
#include "ns3/ipv4-l3-protocol.h"
#include "ns3/ipv4.h"
#include "ns3/log.h"
#include "ns3/lte-enb-net-device.h"
#include "ns3/lte-ue-net-device.h"
#include "ns3/mac48-address.h"
#include "ns3/net-device.h"
#include "ns3/node-container.h"
#include "ns3/node-list.h"
#include "ns3/nstime.h"
#include "ns3/ptr.h"
#include "ns3/random-variable-stream.h"
#include "ns3/rectangle.h"
#include "ns3/simulator.h"
#include "ns3/uan-phy-gen.h"
#include "ns3/wifi-phy.h"
 
#include <cstdio>
#include <map>
#include <string>
 
namespace ns3
{
 
#define MAX_PKTS_PER_TRACE_FILE 100000
#define PURGE_INTERVAL 5
#define NETANIM_VERSION "netanim-3.109"
#define CHECK_STARTED_INTIMEWINDOW                                                                 \
    {                                                                                              \
        if (!m_started || !IsInTimeWindow())                                                       \
        {                                                                                          \
            return;                                                                                \
        }                                                                                          \
    }
#define CHECK_STARTED_INTIMEWINDOW_TRACKPACKETS                                                    \
    {                                                                                              \
        if (!m_started || !IsInTimeWindow() || !m_trackPackets)                                    \
        {                                                                                          \
            return;                                                                                \
        }                                                                                          \
    }
 
struct NodeSize;
class WifiPsdu;
 
/**
 * \defgroup netanim Network Animation
 *
 * This section documents the API of the ns-3 netanim module. For a generic functional description,
 * please refer to the ns-3 manual.
 */
 
/**
 * \ingroup netanim
 *
 * \brief Interface to network animator
 *
 * Provides functions that facilitate communications with an
 * external or internal network animator.
 */
class AnimationInterface
{
  public:
    /**
     * \brief Constructor
     * \param filename The Filename for the trace file used by the Animator
     *
     */
    AnimationInterface(const std::string filename);
 
    /**
     * Counter Types
     */
    enum CounterType
    {
        UINT32_COUNTER,
        DOUBLE_COUNTER
    };
 
    /**
     * \brief typedef for WriteCallBack used for listening to AnimationInterface
     * write messages
     *
     */
    typedef void (*AnimWriteCallback)(const char* str);
 
    /**
     * \brief Destructor for the animator interface.
     *
     */
    ~AnimationInterface();
 
    /**
     * \brief Enable tracking of Ipv4 L3 Protocol Counters such as Tx, Rx, Drop
     *
     * \param startTime Start Time for capturing values
     * \param stopTime Stop Time for capturing values
     * \param pollInterval The periodic interval at which the counters are written to the trace file
     *        Default: 1s
     */
    void EnableIpv4L3ProtocolCounters(Time startTime,
                                      Time stopTime,
                                      Time pollInterval = Seconds(1));
 
    /**
     * \brief Enable tracking of Queue Counters such as Enqueue, Dequeue, Queue Drops
     *
     * \param startTime Start Time for capturing values
     * \param stopTime Stop Time for capturing values
     * \param pollInterval The periodic interval at which the counters are written to the trace file
     *        Default: 1s
     */
    void EnableQueueCounters(Time startTime, Time stopTime, Time pollInterval = Seconds(1));
 
    /**
     * \brief Enable tracking of Wifi Mac Counters such as Tx, TxDrop, Rx, RxDrop
     *
     * \param startTime Start Time for capturing values
     * \param stopTime Stop Time for capturing values
     * \param pollInterval The periodic interval at which the counters are written to the trace file
     *        Default: 1s
     */
    void EnableWifiMacCounters(Time startTime, Time stopTime, Time pollInterval = Seconds(1));
 
    /**
     * \brief Enable tracking of Wifi Phy Counters such as TxDrop, RxDrop
     *
     * \param startTime Start Time for capturing values
     * \param stopTime Stop Time for capturing values
     * \param pollInterval The periodic interval at which the counters are written to the trace file
     *        Default: 1s
     */
    void EnableWifiPhyCounters(Time startTime, Time stopTime, Time pollInterval = Seconds(1));
 
    /**
     * \brief Enable tracking of the Ipv4 routing table for all Nodes
     *
     * \param fileName Trace file for storing routing table information
     * \param startTime Start time for capture
     * \param stopTime  End time for capture
     * \param pollInterval The periodic interval at which routing table information is polled
     *        Default: 5s
     *
     * \returns reference to this AnimationInterface object
     */
    AnimationInterface& EnableIpv4RouteTracking(std::string fileName,
                                                Time startTime,
                                                Time stopTime,
                                                Time pollInterval = Seconds(5));
 
    /**
     * \brief Enable tracking of the Ipv4 routing table for a set of Nodes
     *
     * \param fileName Trace file for storing routing table information
     * \param startTime Start time for capture
     * \param stopTime  End time for capture
     * \param nc A NodeContainer containing nodes for which Routing table has to be tracked
     * \param pollInterval The periodic interval at which routing table information is polled
     *        Default: 5s
     *
     * \returns reference to this AnimationInterface object
     */
    AnimationInterface& EnableIpv4RouteTracking(std::string fileName,
                                                Time startTime,
                                                Time stopTime,
                                                NodeContainer nc,
                                                Time pollInterval = Seconds(5));
 
    /**
     * \brief Check if AnimationInterface is initialized
     *
     * \returns true if AnimationInterface was already initialized
     *
     */
    static bool IsInitialized();
 
    /**
     * \brief Specify the time at which capture should start
     *
     * \param t The time at which AnimationInterface should begin capture of traffic info
     *
     */
    void SetStartTime(Time t);
 
    /**
     * \brief Specify the time at which capture should stop
     *
     * \param t The time at which AnimationInterface should stop capture of traffic info
     *
     */
    void SetStopTime(Time t);
 
    /**
     * \brief Set Max packets per trace file
     * \param maxPktsPerFile The maximum number of packets per trace file.
              AnimationInterface will create trace files with the following
              filenames : filename, filename-1, filename-2..., filename-N
              where each file contains packet info for 'maxPktsPerFile' number of packets
     *
     */
    void SetMaxPktsPerTraceFile(uint64_t maxPktsPerFile);
 
    /**
     * \brief Set mobility poll interval:WARNING: setting a low interval can
     * cause slowness
     *
     * \param t Time interval between fetching mobility/position information
     * Default: 0.25s
     *
     */
    void SetMobilityPollInterval(Time t);
 
    /**
     * \brief Set a callback function to listen to AnimationInterface write events
     *
     * \param cb Address of callback function
     *
     */
    void SetAnimWriteCallback(AnimWriteCallback cb);
 
    /**
     * \brief Reset the write callback function
     *
     */
    void ResetAnimWriteCallback();
 
    /**
     * \brief Helper function to set Constant Position for a given node
     * \param n Ptr to the node
     * \param x X coordinate of the node
     * \param y Y coordinate of the node
     * \param z Z coordinate of the node
     *
     */
    static void SetConstantPosition(Ptr<Node> n, double x, double y, double z = 0);
 
    /**
     * \brief Helper function to update the description for a given node
     * \param n Ptr to the node
     * \param descr A string to briefly describe the node
     *
     */
    void UpdateNodeDescription(Ptr<Node> n, std::string descr);
 
    /**
     * \brief Helper function to update the description for a given node
     * \param nodeId Id of the node
     * \param descr A string to briefly describe the node
     *
     */
    void UpdateNodeDescription(uint32_t nodeId, std::string descr);
 
    /**
     * \brief Helper function to update the image of a node
     * \param nodeId Id of the node
     * \param resourceId Id of the image resource that was previously added
     *
     */
    void UpdateNodeImage(uint32_t nodeId, uint32_t resourceId);
 
    /**
     * \brief Helper function to update the size of a node
     * \param n Ptr to the node
     * \param width Width of the node
     * \param height Height of the node
     *
     */
    void UpdateNodeSize(Ptr<Node> n, double width, double height);
 
    /**
     * \brief Helper function to update the size of a node
     * \param nodeId Id of the node
     * \param width Width of the node
     * \param height Height of the node
     *
     */
    void UpdateNodeSize(uint32_t nodeId, double width, double height);
 
    /**
     * \brief Helper function to update the node color
     * \param n Ptr to the node
     * \param r Red component value (0-255)
     * \param g Green component value (0-255)
     * \param b Blue component value (0-255)
     *
     */
    void UpdateNodeColor(Ptr<Node> n, uint8_t r, uint8_t g, uint8_t b);
 
    /**
     * \brief Helper function to update the node color
     * \param nodeId Id of the node
     * \param r Red component value (0-255)
     * \param g Green component value (0-255)
     * \param b Blue component value (0-255)
     *
     */
    void UpdateNodeColor(uint32_t nodeId, uint8_t r, uint8_t g, uint8_t b);
 
    /**
     * \brief Helper function to update a node's counter referenced by the nodeCounterId
     * \param nodeCounterId The counter Id obtained from AddNodeCounter
     * \param nodeId Node Id of the node
     * \param counter Current value of the counter
     *
     */
    void UpdateNodeCounter(uint32_t nodeCounterId, uint32_t nodeId, double counter);
 
    /**
     * \brief Helper function to set the background image
     * \param fileName File name of the background image
     * \param x X coordinate of the image
     * \param y Y coordinate of the image
     * \param scaleX X scale of the image
     * \param scaleY Y scale of the image
     * \param opacity Opacity of the background: A value between 0.0 and 1.0. 0.0 is transparent,
     *        1.0 is opaque
     *
     */
    void SetBackgroundImage(std::string fileName,
                            double x,
                            double y,
                            double scaleX,
                            double scaleY,
                            double opacity);
 
    /**
     * \brief Helper function to update the description for a link
     * \param fromNode Node Id of the "from Node" of the p2p link
     * \param toNode Node Id of the "to Node" of the p2p link
     * \param linkDescription Description of the link such as link bandwidth
     *
     */
    void UpdateLinkDescription(uint32_t fromNode, uint32_t toNode, std::string linkDescription);
 
    /**
     * \brief Helper function to update the description for a link
     * \param fromNode Ptr to the "from Node" of the p2p link
     * \param toNode Ptr to the "to Node" of the p2p link
     * \param linkDescription Description of the link such as link bandwidth
     *
     */
    void UpdateLinkDescription(Ptr<Node> fromNode, Ptr<Node> toNode, std::string linkDescription);
 
    /**
     * \brief Helper function to print the routing path from a source node to destination IP
     * \param fromNodeId The source node
     * \param destinationIpv4Address The destination Ipv4 Address
     *
     * \returns reference to this AnimationInterface object
     */
    AnimationInterface& AddSourceDestination(uint32_t fromNodeId,
                                             std::string destinationIpv4Address);
 
    /**
     * \brief Is AnimationInterface started
     *
     * \returns true if AnimationInterface was started
     */
    bool IsStarted() const;
 
    /**
     * \brief Do not trace packets. This helps reduce the trace file size if AnimationInterface is
     * solely used for tracking mobility, routing paths and counters
     */
    void SkipPacketTracing();
 
    /**
     *
     * \brief Enable Packet metadata
     * \param enable if true enables writing the packet metadata to the XML trace file
     *        if false disables writing the packet metadata
     *
     */
    void EnablePacketMetadata(bool enable = true);
 
    /**
     *
     * \brief Get trace file packet count (This used only for testing)
     *
     * \returns Number of packets recorded in the current trace file
     */
    uint64_t GetTracePktCount() const;
 
    /**
     *
     * \brief Setup a node counter
     * \param counterName A string to identify the counter
     * \param counterType The type of the counter, such as uint32, double etc
     *
     * \returns The id of the counter to be used as a reference for future
     */
    uint32_t AddNodeCounter(std::string counterName, CounterType counterType);
 
    /**
     *
     * \brief Add a resource such as the path to an image file
     * \param resourcePath Absolute Path to an image/resource
     *
     * \returns a number identifying the resource
     */
    uint32_t AddResource(std::string resourcePath);
 
    /**
     *
     * \brief Get node's energy fraction (This used only for testing)
     * \param node
     *
     * \returns current node's remaining energy (between [0, 1])
     */
    double GetNodeEnergyFraction(Ptr<const Node> node) const;
 
  private:
    /**
     * AnimPacketInfo class
     */
    class AnimPacketInfo
 
    {
      public:
        AnimPacketInfo();
        /**
         * Constructor
         *
         * \param pInfo anim packet info
         */
        AnimPacketInfo(const AnimPacketInfo& pInfo);
        /**
         * Constructor
         *
         * \param tx_nd transmit device
         * \param fbTx fb transmit
         * \param txNodeId transmit node ID
         */
        AnimPacketInfo(Ptr<const NetDevice> tx_nd, const Time fbTx, uint32_t txNodeId = 0);
        Ptr<const NetDevice> m_txnd; ///< transmit device
        uint32_t m_txNodeId;         ///< node ID
        double m_fbTx;               ///< fb transmit
        double m_lbTx;               ///< lb transmit
        double m_fbRx;               ///< fb receive
        double m_lbRx;               ///< lb receive
        Ptr<const NetDevice> m_rxnd; ///< receive device
        /**
         * Process receive begin
         * \param nd the device
         * \param fbRx
         */
        void ProcessRxBegin(Ptr<const NetDevice> nd, const double fbRx);
    };
 
    /// RGB structure
    struct Rgb
    {
        uint8_t r; ///< r
        uint8_t g; ///< g
        uint8_t b; ///< b
    };             ///< RGB structure
 
    /// P2pLinkNodeIdPair structure
    struct P2pLinkNodeIdPair
    {
        uint32_t fromNode; ///< from node
        uint32_t toNode;   ///< to node
    };                     ///< P2P link node id pair
 
    /// LinkProperties structure
    struct LinkProperties
    {
        std::string fromNodeDescription; ///< from node description
        std::string toNodeDescription;   ///< to node description
        std::string linkDescription;     ///< link description
    };                                   ///< link properties
 
    /// LinkPairCompare structure
    struct LinkPairCompare
    {
        /**
         * comparison operator
         *
         * \param first
         * \param second
         * \return true if equal
         */
        bool operator()(P2pLinkNodeIdPair first, P2pLinkNodeIdPair second) const
        {
            // Check if they are the same node pairs but flipped
            if (((first.fromNode == second.fromNode) && (first.toNode == second.toNode)) ||
                ((first.fromNode == second.toNode) && (first.toNode == second.fromNode)))
            {
                return false;
            }
            std::ostringstream oss1;
            oss1 << first.fromNode << first.toNode;
            std::ostringstream oss2;
            oss2 << second.fromNode << second.toNode;
            return oss1.str() < oss2.str();
        }
    };
 
    /// Ipv4RouteTrackElement structure
    struct Ipv4RouteTrackElement
    {
        std::string destination; ///< destination
        uint32_t fromNodeId;     ///< from node ID
    };                           ///< IPv4 route track element
 
    /// Ipv4RoutePathElement structure
    struct Ipv4RoutePathElement
    {
        uint32_t nodeId;     ///< node ID
        std::string nextHop; ///< next hop
    };                       ///< IPv4 route path element
 
    /// ProtocolType enumeration
    enum ProtocolType
    {
        UAN,
        LTE,
        WIFI,
        WIMAX,
        CSMA,
        LRWPAN
    };
 
    /// NodeSize structure
    struct NodeSize
    {
        double width;  ///< width
        double height; ///< height
    };                 ///< node size
 
    typedef std::map<P2pLinkNodeIdPair, LinkProperties, LinkPairCompare>
        LinkPropertiesMap;                                       ///< LinkPropertiesMap typedef
    typedef std::map<uint32_t, std::string> NodeDescriptionsMap; ///< NodeDescriptionsMap typedef
    typedef std::map<uint32_t, Rgb> NodeColorsMap;               ///< NodeColorsMap typedef
    typedef std::map<uint64_t, AnimPacketInfo>
        AnimUidPacketInfoMap;                             ///< AnimUidPacketInfoMap typedef
    typedef std::map<uint32_t, double> EnergyFractionMap; ///< EnergyFractionMap typedef
    typedef std::vector<Ipv4RoutePathElement>
        Ipv4RoutePathElements;                                  ///< Ipv4RoutePathElements typedef
    typedef std::multimap<uint32_t, std::string> NodeIdIpv4Map; ///< NodeIdIpv4Map typedef
    typedef std::multimap<uint32_t, std::string> NodeIdIpv6Map; ///< NodeIdIpv6Map typedef
    typedef std::pair<uint32_t, std::string> NodeIdIpv4Pair;    ///< NodeIdIpv4Pair typedef
    typedef std::pair<uint32_t, std::string> NodeIdIpv6Pair;    ///< NodeIdIpv6Pair typedef
 
    // Node Counters
    typedef std::map<uint32_t, uint64_t> NodeCounterMap64; ///< NodeCounterMap64 typedef
 
    /// AnimXmlElement class
    class AnimXmlElement
    {
      public:
        /**
         * Constructor
         *
         * \param tagName tag name
         * \param emptyElement empty element?
         */
        AnimXmlElement(std::string tagName, bool emptyElement = true);
        template <typename T>
        /**
         * Add attribute function
         * \param attribute the attribute name
         * \param value the attribute value
         * \param xmlEscape true to escape
         */
        void AddAttribute(std::string attribute, T value, bool xmlEscape = false);
        /**
         * Set text function
         * \param text the text for the element
         */
        void SetText(std::string text);
        /**
         * Append child function
         * \param e the element to add as a child
         */
        void AppendChild(AnimXmlElement e);
        /**
         * Get text for the element function
         * \param autoClose auto close the element
         * \returns the text
         */
        std::string ToString(bool autoClose = true);
 
      private:
        std::string m_tagName;                 ///< tag name
        std::string m_text;                    ///< element string
        std::vector<std::string> m_attributes; ///< list of attributes
        std::vector<std::string> m_children;   ///< list of children
    };
 
    // ##### State #####
 
    FILE* m_f;                             ///< File handle for output (0 if none)
    FILE* m_routingF;                      ///< File handle for routing table output (0 if None);
    Time m_mobilityPollInterval;           ///< mobility poll interval
    std::string m_outputFileName;          ///< output file name
    uint64_t gAnimUid;                     ///< Packet unique identifier used by AnimationInterface
    AnimWriteCallback m_writeCallback;     ///< write callback
    bool m_started;                        ///< started
    bool m_enablePacketMetadata;           ///< enable packet metadata
    Time m_startTime;                      ///< start time
    Time m_stopTime;                       ///< stop time
    uint64_t m_maxPktsPerFile;             ///< maximum packets per file
    std::string m_originalFileName;        ///< original file name
    Time m_routingStopTime;                ///< routing stop time
    std::string m_routingFileName;         ///< routing file name
    Time m_routingPollInterval;            ///< routing poll interval
    NodeContainer m_routingNc;             ///< routing node container
    Time m_ipv4L3ProtocolCountersStopTime; ///< IPv4 L3 protocol counters stop time
    Time m_ipv4L3ProtocolCountersPollInterval; ///< IPv4 L3 protocol counters poll interval
    Time m_queueCountersStopTime;              ///< queue counters stop time
    Time m_queueCountersPollInterval;          ///< queue counters poll interval
    Time m_wifiMacCountersStopTime;            ///< wifi MAC counters stop time
    Time m_wifiMacCountersPollInterval;        ///< wifi MAC counters poll interval
    Time m_wifiPhyCountersStopTime;            ///< wifi Phy counters stop time
    Time m_wifiPhyCountersPollInterval;        ///< wifi Phy counters poll interval
    static Rectangle* userBoundary;            ///< user boundary
    bool m_trackPackets;                       ///< track packets
 
    // Counter ID
    uint32_t m_remainingEnergyCounterId; ///< remaining energy counter ID
 
    uint32_t m_ipv4L3ProtocolTxCounterId;   ///< IPv4 L3 protocol transmit counter ID
    uint32_t m_ipv4L3ProtocolRxCounterId;   ///< IPv4 L3 protocol receive counter ID
    uint32_t m_ipv4L3ProtocolDropCounterId; ///< IPv4 protocol drop counter ID
 
    uint32_t m_queueEnqueueCounterId; ///< queue enqueue counter ID
    uint32_t m_queueDequeueCounterId; ///< queue dequeue counter ID
    uint32_t m_queueDropCounterId;    ///< queue drop counter ID
 
    uint32_t m_wifiMacTxCounterId;     ///< wifi MAC transmit counter ID
    uint32_t m_wifiMacTxDropCounterId; ///< wifi MAC transmit drop counter ID
    uint32_t m_wifiMacRxCounterId;     ///< wifi MAC receive counter ID
    uint32_t m_wifiMacRxDropCounterId; ///< wifi MAC receive drop counter ID
 
    uint32_t m_wifiPhyTxDropCounterId; ///< wifi Phy transmit drop counter ID
    uint32_t m_wifiPhyRxDropCounterId; ///< wifi Phy receive drop counter ID
 
    AnimUidPacketInfoMap m_pendingWifiPackets;   ///< pending wifi packets
    AnimUidPacketInfoMap m_pendingWimaxPackets;  ///< pending wimax packets
    AnimUidPacketInfoMap m_pendingLrWpanPackets; ///< pending LR-WPAN packets
    AnimUidPacketInfoMap m_pendingLtePackets;    ///< pending LTE packets
    AnimUidPacketInfoMap m_pendingCsmaPackets;   ///< pending CSMA packets
    AnimUidPacketInfoMap m_pendingUanPackets;    ///< pending UAN packets
 
    std::map<uint32_t, Vector> m_nodeLocation;         ///< node location
    std::map<std::string, uint32_t> m_macToNodeIdMap;  ///< MAC to node ID map
    std::map<std::string, uint32_t> m_ipv4ToNodeIdMap; ///< IPv4 to node ID map
    std::map<std::string, uint32_t> m_ipv6ToNodeIdMap; ///< IPv6 to node ID map
    NodeIdIpv4Map m_nodeIdIpv4Map;                     ///< node ID to IPv4 map
    NodeIdIpv6Map m_nodeIdIpv6Map;                     ///< node ID to IPv6 map
 
    NodeColorsMap m_nodeColors;                                  ///< node colors
    NodeDescriptionsMap m_nodeDescriptions;                      ///< node description
    LinkPropertiesMap m_linkProperties;                          ///< link properties
    EnergyFractionMap m_nodeEnergyFraction;                      ///< node energy fraction
    uint64_t m_currentPktCount;                                  ///< current packet count
    std::vector<Ipv4RouteTrackElement> m_ipv4RouteTrackElements; ///< IPv route track elements
    std::map<uint32_t, NodeSize> m_nodeSizes;                    ///< node sizes
    std::vector<std::string> m_resources;                        ///< resources
    std::vector<std::string> m_nodeCounters;                     ///< node counters
 
    /* Value-added custom counters */
    NodeCounterMap64 m_nodeIpv4Drop;        ///< node IPv4 drop
    NodeCounterMap64 m_nodeIpv4Tx;          ///< node IPv4 transmit
    NodeCounterMap64 m_nodeIpv4Rx;          ///< node IPv4 receive
    NodeCounterMap64 m_nodeQueueEnqueue;    ///< node queue enqueue
    NodeCounterMap64 m_nodeQueueDequeue;    ///< node queue dequeue
    NodeCounterMap64 m_nodeQueueDrop;       ///< node queue drop
    NodeCounterMap64 m_nodeWifiMacTx;       ///< node wifi MAC transmit
    NodeCounterMap64 m_nodeWifiMacTxDrop;   ///< node wifi MAC transmit drop
    NodeCounterMap64 m_nodeWifiMacRx;       ///< node wifi MAC receive
    NodeCounterMap64 m_nodeWifiMacRxDrop;   ///< node wifi MAC receive drop
    NodeCounterMap64 m_nodeWifiPhyTxDrop;   ///< node wifi Phy transmit drop
    NodeCounterMap64 m_nodeWifiPhyRxDrop;   ///< node wifi Phy receive drop
    NodeCounterMap64 m_nodeLrWpanMacTx;     ///< node LR-WPAN MAC transmit
    NodeCounterMap64 m_nodeLrWpanMacTxDrop; ///< node LR-WPAN MAC transmit drop
    NodeCounterMap64 m_nodeLrWpanMacRx;     ///< node LR-WPAN MAC receive
    NodeCounterMap64 m_nodeLrWpanMacRxDrop; ///< node LR-WPAN MAC receive drop
 
    /**
     * Get elements from context
     * \param context the context string
     * \returns the elements
     */
    const std::vector<std::string> GetElementsFromContext(const std::string& context) const;
    /**
     * Get node from context
     * \param context the context string
     * \returns the node
     */
    Ptr<Node> GetNodeFromContext(const std::string& context) const;
    /**
     * Get net device from context
     * \param context the context string
     * \returns the device
     */
    Ptr<NetDevice> GetNetDeviceFromContext(std::string context);
 
    // ##### General #####
    /**
     * Start animation function
     *
     * \param restart
     */
    void StartAnimation(bool restart = false);
    /**
     * Set output file function
     *
     * \param fn the file name
     * \param routing
     */
    void SetOutputFile(const std::string& fn, bool routing = false);
    /**
     * Stop animation function
     *
     * \param onlyAnimation
     */
    void StopAnimation(bool onlyAnimation = false);
    /**
     * Counter type to string function
     * \param counterType the counter type
     * \returns the string
     */
    std::string CounterTypeToString(CounterType counterType);
    /**
     * Get packet metadata function
     * \param p the packet
     * \returns the meta data
     */
    std::string GetPacketMetadata(Ptr<const Packet> p);
    /**
     * Add byte tag function
     * \param animUid the UID
     * \param p the packet
     */
    void AddByteTag(uint64_t animUid, Ptr<const Packet> p);
    /**
     * WriteN function
     * \param data the data t write
     * \param count the number of bytes to write
     * \param f the file to write to
     * \returns the number of bytes written
     */
    int WriteN(const char* data, uint32_t count, FILE* f);
    /**
     * WriteN function
     * \param st the string to output
     * \param f the file to write to
     * \returns the number of bytes written
     */
    int WriteN(const std::string& st, FILE* f);
    /**
     * Get MAC address function
     * \param nd the device
     * \returns the MAC address
     */
    std::string GetMacAddress(Ptr<NetDevice> nd);
    /**
     * Get IPv4 address
     * \param nd the device
     * \returns the IPv4 address
     */
    std::string GetIpv4Address(Ptr<NetDevice> nd);
    /**
     * Get IPv6 address
     * \param nd the device
     * \returns the IPv6 address
     */
    std::string GetIpv6Address(Ptr<NetDevice> nd);
    /**
     * Get IPv4 addresses
     * \param nd the device
     * \returns the IPv4 address list
     */
    std::vector<std::string> GetIpv4Addresses(Ptr<NetDevice> nd);
    /**
     * Get IPv6 addresses
     * \param nd the device
     * \returns the IPv6 address list
     */
    std::vector<std::string> GetIpv6Addresses(Ptr<NetDevice> nd);
 
    /**
     * Get netanim version function
     * \returns the net anim version string
     */
    std::string GetNetAnimVersion();
    /// Mobility auto check function
    void MobilityAutoCheck();
    /**
     * Is packet pending function
     * \param animUid the UID
     * \param protocolType the protocol type
     * \returns true if a packet is pending
     */
    bool IsPacketPending(uint64_t animUid, ProtocolType protocolType);
    /**
     * Purge pending packets function
     * \param protocolType the protocol type
     */
    void PurgePendingPackets(ProtocolType protocolType);
    /**
     * Protocol type to pending packets function
     * \param protocolType the protocol type
     * \returns AnimUidPacketInfoMap *
     */
    AnimUidPacketInfoMap* ProtocolTypeToPendingPackets(ProtocolType protocolType);
    /**
     * Protocol type to string function
     * \param protocolType the protocol type
     * \returns the protocol type string
     */
    std::string ProtocolTypeToString(ProtocolType protocolType);
    /**
     * Add pending packet function
     * \param protocolType the protocol type
     * \param animUid the UID
     * \param pktInfo the packet info
     */
    void AddPendingPacket(ProtocolType protocolType, uint64_t animUid, AnimPacketInfo pktInfo);
    /**
     * Get anim UID from packet function
     * \param p the packet
     * \returns the UID
     */
    uint64_t GetAnimUidFromPacket(Ptr<const Packet>);
    /**
     * Add to IPv4 address node ID table function
     * \param ipv4Address the IPv4 address
     * \param nodeId the node ID
     */
    void AddToIpv4AddressNodeIdTable(std::string ipv4Address, uint32_t nodeId);
    /**
     * Add to IPv4 address node ID table function
     * \param ipv4Addresses the list of IPv4 addresses
     * \param nodeId the node ID
     */
    void AddToIpv4AddressNodeIdTable(std::vector<std::string> ipv4Addresses, uint32_t nodeId);
    /**
     * Add to IPv6 address node ID table function
     * \param ipv6Address the IPv6 address
     * \param nodeId the node ID
     */
    void AddToIpv6AddressNodeIdTable(std::string ipv6Address, uint32_t nodeId);
    /**
     * Add to IPv6 address node ID table function
     * \param ipv6Addresses the list of IPv6 addresses
     * \param nodeId the node ID
     */
    void AddToIpv6AddressNodeIdTable(std::vector<std::string> ipv6Addresses, uint32_t nodeId);
    /**
     * Is in time window function
     * \returns true if in the time window
     */
    bool IsInTimeWindow();
    /// Check maximum packets per trace file function
    void CheckMaxPktsPerTraceFile();
 
    /// Track wifi phy counters function
    void TrackWifiPhyCounters();
    /// Track wifi MAC counters function
    void TrackWifiMacCounters();
    /// Track IPv4 L3 protocol counters function
    void TrackIpv4L3ProtocolCounters();
    /// Track queue counters function
    void TrackQueueCounters();
    // ##### Routing #####
    /// Track IPv4 router function
    void TrackIpv4Route();
    /// Track IPv4 route paths function
    void TrackIpv4RoutePaths();
    /**
     * Get IPv4 routing table function
     * \param n the node
     * \returns the IPv4 routing table
     */
    std::string GetIpv4RoutingTable(Ptr<Node> n);
    /**
     * Recursive IPv4 route path search function
     * \param from the source node
     * \param to the destination node
     * \param rpElements the IPv4 routing path elements
     */
    void RecursiveIpv4RoutePathSearch(std::string from,
                                      std::string to,
                                      Ipv4RoutePathElements& rpElements);
    /**
     * Write route path function
     * \param nodeId the node ID
     * \param destination the destination
     * \param rpElements the IPv4 routing path elements
     */
    void WriteRoutePath(uint32_t nodeId, std::string destination, Ipv4RoutePathElements rpElements);
 
    // ##### Trace #####
    /**
     * Enqueue trace function
     * \param context the context
     * \param p the packet
     */
    void EnqueueTrace(std::string context, Ptr<const Packet>);
    /**
     * Dequeue trace function
     * \param context the context
     * \param p the packet
     */
    void DequeueTrace(std::string context, Ptr<const Packet>);
    /**
     * Queue trace function
     * \param context the context
     * \param p the packet
     */
    void QueueDropTrace(std::string context, Ptr<const Packet>);
    /**
     * IPv4 transmit trace function
     * \param context the context
     * \param p the packet
     * \param ipv4 the IP
     * \param interfaceIndex the interface index
     */
    void Ipv4TxTrace(std::string context,
                     Ptr<const Packet> p,
                     Ptr<Ipv4> ipv4,
                     uint32_t interfaceIndex);
    /**
     * IPv4 receive trace function
     * \param context the context
     * \param p the packet
     * \param ipv4 the IP
     * \param interfaceIndex the interface index
     */
    void Ipv4RxTrace(std::string context,
                     Ptr<const Packet> p,
                     Ptr<Ipv4> ipv4,
                     uint32_t interfaceIndex);
    /**
     * IPv4 drop trace function
     * \param context the context
     * \param ipv4Header the IPv4 header
     * \param p the packet
     * \param dropReason the reason for the drop
     * \param ipv4 the IP
     * \param interfaceIndex the interface index
     */
    void Ipv4DropTrace(std::string context,
                       const Ipv4Header& ipv4Header,
                       Ptr<const Packet> p,
                       Ipv4L3Protocol::DropReason dropReason,
                       Ptr<Ipv4> ipv4,
                       uint32_t interfaceIndex);
 
    /**
     * wifi MAC transmit trace function
     * \param context the context
     * \param p the packet
     */
    void WifiMacTxTrace(std::string context, Ptr<const Packet> p);
    /**
     * wifi MAC transmit drop trace function
     * \param context the context
     * \param p the packet
     */
    void WifiMacTxDropTrace(std::string context, Ptr<const Packet> p);
    /**
     * wifi MAC receive trace function
     * \param context the context
     * \param p the packet
     */
    void WifiMacRxTrace(std::string context, Ptr<const Packet> p);
    /**
     * wifi MAC receive drop trace function
     * \param context the context
     * \param p the packet
     */
    void WifiMacRxDropTrace(std::string context, Ptr<const Packet> p);
    /**
     * wifi Phy transmit drop trace function
     * \param context the context
     * \param p the packet
     */
    void WifiPhyTxDropTrace(std::string context, Ptr<const Packet> p);
    /**
     * wifi Phy receive drop trace function
     * \param context the context
     * \param p the packet
     * \param reason the reason
     */
    void WifiPhyRxDropTrace(std::string context,
                            Ptr<const Packet> p,
                            WifiPhyRxfailureReason reason);
    /**
     * LR-WPAN MAC transmit trace function
     * \param context the context
     * \param p the packet
     */
    void LrWpanMacTxTrace(std::string context, Ptr<const Packet> p);
    /**
     * LR-WPAN MAC transmit drop trace function
     * \param context the context
     * \param p the packet
     */
    void LrWpanMacTxDropTrace(std::string context, Ptr<const Packet> p);
    /**
     * LR-WPAN MAC receive trace function
     * \param context the context
     * \param p the packet
     */
    void LrWpanMacRxTrace(std::string context, Ptr<const Packet> p);
    /**
     * LR-WPAN MAC receive drop trace function
     * \param context the context
     * \param p the packet
     */
    void LrWpanMacRxDropTrace(std::string context, Ptr<const Packet> p);
    /**
     * Device transmit trace function
     * \param context the context
     * \param p the packet
     * \param tx the transmit device
     * \param rx the receive device
     * \param txTime the transmit time
     * \param rxTime the receive time
     */
    void DevTxTrace(std::string context,
                    Ptr<const Packet> p,
                    Ptr<NetDevice> tx,
                    Ptr<NetDevice> rx,
                    Time txTime,
                    Time rxTime);
    /**
     * wifi Phy transmit PSDU begin trace function
     * \param context the context
     * \param psduMap the PSDU map
     * \param txVector the TXVECTOR
     * \param txPowerW the tx power in Watts
     */
    void WifiPhyTxBeginTrace(std::string context,
                             WifiConstPsduMap psduMap,
                             WifiTxVector txVector,
                             double txPowerW);
    /**
     * wifi Phy receive begin trace function
     *
     * \param context the context
     * \param p the packet
     * \param rxPowersW the receive power per channel band in Watts
     */
    void WifiPhyRxBeginTrace(std::string context,
                             Ptr<const Packet> p,
                             RxPowerWattPerChannelBand rxPowersW);
    /**
     * LR-WPAN Phy receive begin trace function
     *
     * \param context the context
     * \param p the packet
     */
    void LrWpanPhyTxBeginTrace(std::string context, Ptr<const Packet> p);
    /**
     * LR-WPAN Phy receive begin trace function
     *
     * \param context the context
     * \param p the packet
     */
    void LrWpanPhyRxBeginTrace(std::string context, Ptr<const Packet> p);
    /**
     * WIMax transmit trace function
     * \param context the context
     * \param p the packet
     * \param m the MAC address
     */
    void WimaxTxTrace(std::string context, Ptr<const Packet> p, const Mac48Address& m);
    /**
     * WIMax receive trace function
     * \param context the context
     * \param p the packet
     * \param m the MAC address
     */
    void WimaxRxTrace(std::string context, Ptr<const Packet> p, const Mac48Address& m);
    /**
     * CSMA Phy transmit begin trace function
     * \param context the context
     * \param p the packet
     */
    void CsmaPhyTxBeginTrace(std::string context, Ptr<const Packet> p);
    /**
     * CSMA Phy transmit end trace function
     *
     * \param context the context
     * \param p the packet
     */
    void CsmaPhyTxEndTrace(std::string context, Ptr<const Packet> p);
    /**
     * CSMA Phy receive end trace function
     *
     * \param context the context
     * \param p the packet
     */
    void CsmaPhyRxEndTrace(std::string context, Ptr<const Packet> p);
    /**
     * CSMA MAC receive trace function
     *
     * \param context the context
     * \param p the packet
     */
    void CsmaMacRxTrace(std::string context, Ptr<const Packet> p);
    /**
     * LTE transmit trace function
     * \param context the context
     * \param p the packet
     * \param m the MAC address
     */
    void LteTxTrace(std::string context, Ptr<const Packet> p, const Mac48Address& m);
    /**
     * LTE receive trace function
     * \param context the context
     * \param p the packet
     * \param m the MAC address
     */
    void LteRxTrace(std::string context, Ptr<const Packet> p, const Mac48Address& m);
    /**
     * LTE Spectrum Phy transmit start function
     * \param context the context
     * \param pb the packet burst
     */
    void LteSpectrumPhyTxStart(std::string context, Ptr<const PacketBurst> pb);
    /**
     * LTE Spectrum Phy receive start function
     * \param context the context
     * \param pb the packet burst
     */
    void LteSpectrumPhyRxStart(std::string context, Ptr<const PacketBurst> pb);
    /**
     * UAN Phy gen transmit trace function
     * \param context the context
     * \param p the packet
     */
    void UanPhyGenTxTrace(std::string context, Ptr<const Packet>);
    /**
     * UAN Phy gen receive trace function
     * \param context the context
     * \param p the packet
     */
    void UanPhyGenRxTrace(std::string context, Ptr<const Packet>);
    /**
     * Remaining energy trace function
     * \param context the context
     * \param previousEnergy The previous energy
     * \param currentEnergy The current energy
     */
    void RemainingEnergyTrace(std::string context, double previousEnergy, double currentEnergy);
    /**
     * Generic wireless transmit trace function
     * \param context the context
     * \param p the packet
     * \param protocolType the protocol type
     */
    void GenericWirelessTxTrace(std::string context,
                                Ptr<const Packet> p,
                                ProtocolType protocolType);
    /**
     * Generic wireless receive trace function
     * \param context the context
     * \param p the packet
     * \param protocolType the protocol type
     */
    void GenericWirelessRxTrace(std::string context,
                                Ptr<const Packet> p,
                                ProtocolType protocolType);
 
    /// Connect callbacks function
    void ConnectCallbacks();
    /// Connect LTE function
    void ConnectLte();
    /**
     * Connect LTE ue function
     * \param n the node
     * \param nd the device
     * \param devIndex the device index
     */
    void ConnectLteUe(Ptr<Node> n, Ptr<LteUeNetDevice> nd, uint32_t devIndex);
    /**
     * Connect LTE ENB function
     * \param n the node
     * \param nd the device
     * \param devIndex the device index
     */
    void ConnectLteEnb(Ptr<Node> n, Ptr<LteEnbNetDevice> nd, uint32_t devIndex);
 
    // ##### Mobility #####
    /**
     * Get position function
     * \param n the node
     * \returns the position vector
     */
    Vector GetPosition(Ptr<Node> n);
    /**
     * Update position function
     * \param n the node
     * \returns the position vector
     */
    Vector UpdatePosition(Ptr<Node> n);
    /**
     * Update position function
     * \param n the node
     * \param v the vector
     * \returns the position vector
     */
    Vector UpdatePosition(Ptr<Node> n, Vector v);
    /**
     * Update position function
     * \param ndev the device
     * \returns the position vector
     */
    Vector UpdatePosition(Ptr<NetDevice> ndev);
    /**
     * Node has moved function
     * \param n the node
     * \param newLocation the new location vector
     * \returns true if the node has moved
     */
    bool NodeHasMoved(Ptr<Node> n, Vector newLocation);
    /**
     * Get moved nodes function
     * \returns the list of moved nodes
     */
    std::vector<Ptr<Node>> GetMovedNodes();
    /**
     * Mobility course change trace function
     * \param mob the mobility model
     */
    void MobilityCourseChangeTrace(Ptr<const MobilityModel> mob);
 
    // ##### XML Helpers #####
 
    /**
     * Write non P2P link properties function
     * \param id the ID
     * \param ipv4Address the IP address
     * \param channelType the channel type
     */
    void WriteNonP2pLinkProperties(uint32_t id, std::string ipv4Address, std::string channelType);
    /**
     * Write node update function
     * \param nodeId the node ID
     */
    void WriteNodeUpdate(uint32_t nodeId);
    /**
     * Output wireless packet transmit info
     * \param p the packet
     * \param pktInfo the packet info
     * \param animUid the UID
     */
    void OutputWirelessPacketTxInfo(Ptr<const Packet> p, AnimPacketInfo& pktInfo, uint64_t animUid);
    /**
     * Output wireless packet receive info
     * \param p the packet
     * \param pktInfo the packet info
     * \param animUid the UID
     */
    void OutputWirelessPacketRxInfo(Ptr<const Packet> p, AnimPacketInfo& pktInfo, uint64_t animUid);
    /**
     * Output CSMA packet function
     * \param p the packet
     * \param pktInfo the packet info
     */
    void OutputCsmaPacket(Ptr<const Packet> p, AnimPacketInfo& pktInfo);
    /// Write link properties function
    void WriteLinkProperties();
    /// Write IPv4 Addresses function
    void WriteIpv4Addresses();
    /// Write IPv6 Addresses function
    void WriteIpv6Addresses();
    /// Write nodes function
    void WriteNodes();
    /// Write node colors function
    void WriteNodeColors();
    /// Write node sizes function
    void WriteNodeSizes();
    /// Write node energies function
    void WriteNodeEnergies();
    /**
     * Write XML anim function
     * \param routing the routing
     */
    void WriteXmlAnim(bool routing = false);
    /**
     * Write XML update node position function
     * \param nodeId the node ID
     * \param x the X position
     * \param y the Y position
     */
    void WriteXmlUpdateNodePosition(uint32_t nodeId, double x, double y);
    /**
     * Write XML update node color function
     * \param nodeId the node ID
     * \param r the red color
     * \param g the green color
     * \param b the blue color
     */
    void WriteXmlUpdateNodeColor(uint32_t nodeId, uint8_t r, uint8_t g, uint8_t b);
    /**
     * Write XML update node description function
     * \param nodeId the node ID
     */
    void WriteXmlUpdateNodeDescription(uint32_t nodeId);
    /**
     * Write XML update node size function
     * \param nodeId the node ID
     * \param width the width
     * \param height the height
     */
    void WriteXmlUpdateNodeSize(uint32_t nodeId, double width, double height);
    /**
     * Write XML add resource function
     * \param resourceId the resource ID
     * \param resourcePath the resource path
     */
    void WriteXmlAddResource(uint32_t resourceId, std::string resourcePath);
    /**
     * Write XML add node counter function
     * \param counterId the counter ID
     * \param counterName the counter name
     * \param counterType the counter type
     */
    void WriteXmlAddNodeCounter(uint32_t counterId,
                                std::string counterName,
                                CounterType counterType);
    /**
     * Write XML update node image function
     * \param nodeId the node ID
     * \param resourceId the resource ID
     */
    void WriteXmlUpdateNodeImage(uint32_t nodeId, uint32_t resourceId);
    /**
     * Write XML update node counter function
     * \param counterId the counter ID
     * \param nodeId the node ID
     * \param value the node counter value
     */
    void WriteXmlUpdateNodeCounter(uint32_t counterId, uint32_t nodeId, double value);
    /**
     * Write XML node function
     * \param id the ID
     * \param sysId the system ID
     * \param locX the x location
     * \param locY the y location
     */
    void WriteXmlNode(uint32_t id, uint32_t sysId, double locX, double locY);
    /**
     * Write XML link counter function
     * \param fromId the from device
     * \param toLp the to device
     * \param toId the to ID
     */
    void WriteXmlLink(uint32_t fromId, uint32_t toLp, uint32_t toId);
    /**
     * Write XML update link counter function
     * \param fromId the from device
     * \param toId the to device
     * \param linkDescription the link description
     */
    void WriteXmlUpdateLink(uint32_t fromId, uint32_t toId, std::string linkDescription);
    /**
     * Write XMLP function
     * \param pktType the packet type
     * \param fId the FID
     * \param fbTx the FB transmit
     * \param lbTx the LB transmit
     * \param tId the TID
     * \param fbRx the FB receive
     * \param lbRx the LB receive
     * \param metaInfo the meta info
     */
    void WriteXmlP(std::string pktType,
                   uint32_t fId,
                   double fbTx,
                   double lbTx,
                   uint32_t tId,
                   double fbRx,
                   double lbRx,
                   std::string metaInfo = "");
    /**
     * Write XMLP function
     * \param animUid the UID
     * \param pktType the packet type
     * \param fId the FID
     * \param fbTx the FB transmit
     * \param lbTx the LB transmit
     */
    void WriteXmlP(uint64_t animUid, std::string pktType, uint32_t fId, double fbTx, double lbTx);
    /**
     * Write XMLP Ref function
     * \param animUid the UID
     * \param fId the FID
     * \param fbTx the FB transmit
     * \param metaInfo the meta info
     */
    void WriteXmlPRef(uint64_t animUid, uint32_t fId, double fbTx, std::string metaInfo = "");
    /**
     * Write XML close function
     * \param name the name
     * \param routing true if routing
     */
    void WriteXmlClose(std::string name, bool routing = false);
    /**
     * Write XML non P2P link properties function
     * \param id the ID
     * \param ipAddress the IP address
     * \param channelType the channel type
     */
    void WriteXmlNonP2pLinkProperties(uint32_t id, std::string ipAddress, std::string channelType);
    /**
     * Write XML routing function
     * \param id the ID
     * \param routingInfo the routing info
     */
    void WriteXmlRouting(uint32_t id, std::string routingInfo);
    /**
     * Write XMLRP function
     * \param nodeId the node ID
     * \param destination the destination
     * \param rpElements the route path elements
     */
    void WriteXmlRp(uint32_t nodeId, std::string destination, Ipv4RoutePathElements rpElements);
    /**
     * Write XML update background function
     * \param fileName the file name
     * \param x the X value
     * \param y the Y value
     * \param scaleX the X scale
     * \param scaleY the Y scale
     * \param opacity the opacity
     */
    void WriteXmlUpdateBackground(std::string fileName,
                                  double x,
                                  double y,
                                  double scaleX,
                                  double scaleY,
                                  double opacity);
    /**
     * Write XML Ipv4 addresses function
     * \param nodeId the node ID
     * \param ipv4Addresses the list of Ipv4 addresses
     */
    void WriteXmlIpv4Addresses(uint32_t nodeId, std::vector<std::string> ipv4Addresses);
    /**
     * Write XML Ipv6 addresses function
     * \param nodeId the node ID
     * \param ipv6Addresses the list of Ipv6 addresses
     */
    void WriteXmlIpv6Addresses(uint32_t nodeId, std::vector<std::string> ipv6Addresses);
};
 
/**
 * \ingroup netanim
 *
 * \brief Byte tag using by Anim to uniquely identify packets
 *
 * When Anim receives a Tx Notification we tag the packet with a unique global uint64_t identifier
 * before recording Tx information
 * When Anim receives Rx notifications the tag is used to retrieve Tx information recorded earlier
 */
 
class AnimByteTag : public Tag
{
  public:
    /**
     * \brief Get Type Id
     * \returns Type Id
     */
    static TypeId GetTypeId();
 
    /**
     * \brief Get Instance Type Id
     * \returns Type Id
     */
    TypeId GetInstanceTypeId() const override;
 
    /**
     * \brief Get Serialized Size
     * \returns Serialized Size (i.e size of uint64_t)
     */
    uint32_t GetSerializedSize() const override;
 
    /**
     * \brief Serialize function
     * \param i Tag Buffer
     */
    void Serialize(TagBuffer i) const override;
 
    /**
     * \brief Deserialize function
     * \param i Tag Buffer
     */
    void Deserialize(TagBuffer i) override;
 
    /**
     * \brief Print tag info
     * \param os Reference of ostream object
     */
    void Print(std::ostream& os) const override;
 
    /**
     * \brief Set global Uid in tag
     * \param AnimUid global Uid
     */
    void Set(uint64_t AnimUid);
 
    /**
     * \brief Get Uid in tag
     * \returns Uid in tag
     */
    uint64_t Get() const;
 
  private:
    uint64_t m_AnimUid; ///< the UID
};
 
} // namespace ns3
#endif