MME2 changes - Propped commits from openmme/paging branch. Added scripts
for code gen

Change-Id: Ie55032217232214ac8544ca76ea34335205329e4
diff --git a/src/gtpV2Codec/msgClasses/downlinkDataNotificationMsg.cpp b/src/gtpV2Codec/msgClasses/downlinkDataNotificationMsg.cpp
new file mode 100644
index 0000000..3c5c0e5
--- /dev/null
+++ b/src/gtpV2Codec/msgClasses/downlinkDataNotificationMsg.cpp
@@ -0,0 +1,748 @@
+/*
+ * Copyright 2019-present Infosys Limited  
+ *   
+ * SPDX-License-Identifier: Apache-2.0    
+ */
+
+/******************************************************************************
+ *
+ * This is an auto generated file.
+ * Please do not edit this file.
+ * All edits to be made through template source file
+ * <TOP-DIR/scripts/GtpV2StackCodeGen/tts/msgtemplate.cpp.tt>
+ ******************************************************************************/ 
+
+#include "downlinkDataNotificationMsg.h"
+#include "../ieClasses/manual/gtpV2Ie.h"
+#include "../ieClasses/gtpV2IeFactory.h"
+#include "../ieClasses/causeIe.h"
+#include "../ieClasses/ebiIe.h"
+#include "../ieClasses/arpIe.h"
+#include "../ieClasses/imsiIe.h"
+#include "../ieClasses/fTeidIe.h"
+#include "../ieClasses/indicationIe.h"
+#include "../ieClasses/loadControlInformationIe.h"
+#include "../ieClasses/sgwsNodeLevelLoadControlInformationInDownlinkDataNotification.h"
+#include "../ieClasses/overloadControlInformationIe.h"
+#include "../ieClasses/sgwsOverloadControlInformationInDownlinkDataNotification.h"
+#include "../ieClasses/pagingAndServiceInformationIe.h"
+
+DownlinkDataNotificationMsg::DownlinkDataNotificationMsg()
+{
+    msgType = DownlinkDataNotificationMsgType;
+
+}
+
+DownlinkDataNotificationMsg::~DownlinkDataNotificationMsg()
+{
+
+}
+
+bool DownlinkDataNotificationMsg::encodeDownlinkDataNotificationMsg(MsgBuffer &buffer,
+                        DownlinkDataNotificationMsgData
+							const &data)
+{
+    bool rc = false;
+    GtpV2IeHeader header;
+    Uint16 startIndex = 0;
+    Uint16 endIndex = 0;
+    Uint16 length = 0;
+
+    if (data.causeIePresent)
+    {
+            
+        // Encode the Ie Header
+        header.ieType = CauseIeType;
+        header.instance = 0;
+        header.length = 0; // We will encode the IE first and then update the length
+        GtpV2Ie::encodeGtpV2IeHeader(buffer, header);
+        startIndex = buffer.getCurrentIndex(); 
+        CauseIe cause=
+        dynamic_cast<
+        CauseIe&>(GtpV2IeFactory::getInstance().getIeObject(CauseIeType));
+        rc = cause.encodeCauseIe(buffer, data.cause);
+        endIndex = buffer.getCurrentIndex();
+        length = endIndex - startIndex;
+    
+        // encode the length value now
+        buffer.goToIndex(startIndex - 3);
+        buffer.writeUint16(length, false);
+        buffer.goToIndex(endIndex);
+
+        if (!(rc))
+        { 
+            errorStream.add((char *)"Failed to encode IE: cause\n");
+            return false;
+        }
+    }
+
+    if (data.epsBearerIdIePresent)
+    {
+            
+        // Encode the Ie Header
+        header.ieType = EbiIeType;
+        header.instance = 0;
+        header.length = 0; // We will encode the IE first and then update the length
+        GtpV2Ie::encodeGtpV2IeHeader(buffer, header);
+        startIndex = buffer.getCurrentIndex(); 
+        EbiIe ebi=
+        dynamic_cast<
+        EbiIe&>(GtpV2IeFactory::getInstance().getIeObject(EbiIeType));
+        rc = ebi.encodeEbiIe(buffer, data.epsBearerId);
+        endIndex = buffer.getCurrentIndex();
+        length = endIndex - startIndex;
+    
+        // encode the length value now
+        buffer.goToIndex(startIndex - 3);
+        buffer.writeUint16(length, false);
+        buffer.goToIndex(endIndex);
+
+        if (!(rc))
+        { 
+            errorStream.add((char *)"Failed to encode IE: epsBearerId\n");
+            return false;
+        }
+    }
+
+    if (data.allocationRetentionPriorityIePresent)
+    {
+            
+        // Encode the Ie Header
+        header.ieType = ArpIeType;
+        header.instance = 0;
+        header.length = 0; // We will encode the IE first and then update the length
+        GtpV2Ie::encodeGtpV2IeHeader(buffer, header);
+        startIndex = buffer.getCurrentIndex(); 
+        ArpIe arp=
+        dynamic_cast<
+        ArpIe&>(GtpV2IeFactory::getInstance().getIeObject(ArpIeType));
+        rc = arp.encodeArpIe(buffer, data.allocationRetentionPriority);
+        endIndex = buffer.getCurrentIndex();
+        length = endIndex - startIndex;
+    
+        // encode the length value now
+        buffer.goToIndex(startIndex - 3);
+        buffer.writeUint16(length, false);
+        buffer.goToIndex(endIndex);
+
+        if (!(rc))
+        { 
+            errorStream.add((char *)"Failed to encode IE: allocationRetentionPriority\n");
+            return false;
+        }
+    }
+
+    if (data.imsiIePresent)
+    {
+            
+        // Encode the Ie Header
+        header.ieType = ImsiIeType;
+        header.instance = 0;
+        header.length = 0; // We will encode the IE first and then update the length
+        GtpV2Ie::encodeGtpV2IeHeader(buffer, header);
+        startIndex = buffer.getCurrentIndex(); 
+        ImsiIe imsi=
+        dynamic_cast<
+        ImsiIe&>(GtpV2IeFactory::getInstance().getIeObject(ImsiIeType));
+        rc = imsi.encodeImsiIe(buffer, data.imsi);
+        endIndex = buffer.getCurrentIndex();
+        length = endIndex - startIndex;
+    
+        // encode the length value now
+        buffer.goToIndex(startIndex - 3);
+        buffer.writeUint16(length, false);
+        buffer.goToIndex(endIndex);
+
+        if (!(rc))
+        { 
+            errorStream.add((char *)"Failed to encode IE: imsi\n");
+            return false;
+        }
+    }
+
+    if (data.senderFTeidForControlPlaneIePresent)
+    {
+            
+        // Encode the Ie Header
+        header.ieType = FTeidIeType;
+        header.instance = 0;
+        header.length = 0; // We will encode the IE first and then update the length
+        GtpV2Ie::encodeGtpV2IeHeader(buffer, header);
+        startIndex = buffer.getCurrentIndex(); 
+        FTeidIe fTeid=
+        dynamic_cast<
+        FTeidIe&>(GtpV2IeFactory::getInstance().getIeObject(FTeidIeType));
+        rc = fTeid.encodeFTeidIe(buffer, data.senderFTeidForControlPlane);
+        endIndex = buffer.getCurrentIndex();
+        length = endIndex - startIndex;
+    
+        // encode the length value now
+        buffer.goToIndex(startIndex - 3);
+        buffer.writeUint16(length, false);
+        buffer.goToIndex(endIndex);
+
+        if (!(rc))
+        { 
+            errorStream.add((char *)"Failed to encode IE: senderFTeidForControlPlane\n");
+            return false;
+        }
+    }
+
+    if (data.indicationFlagsIePresent)
+    {
+            
+        // Encode the Ie Header
+        header.ieType = IndicationIeType;
+        header.instance = 0;
+        header.length = 0; // We will encode the IE first and then update the length
+        GtpV2Ie::encodeGtpV2IeHeader(buffer, header);
+        startIndex = buffer.getCurrentIndex(); 
+        IndicationIe indication=
+        dynamic_cast<
+        IndicationIe&>(GtpV2IeFactory::getInstance().getIeObject(IndicationIeType));
+        rc = indication.encodeIndicationIe(buffer, data.indicationFlags);
+        endIndex = buffer.getCurrentIndex();
+        length = endIndex - startIndex;
+    
+        // encode the length value now
+        buffer.goToIndex(startIndex - 3);
+        buffer.writeUint16(length, false);
+        buffer.goToIndex(endIndex);
+
+        if (!(rc))
+        { 
+            errorStream.add((char *)"Failed to encode IE: indicationFlags\n");
+            return false;
+        }
+    }
+
+    if (data.sgwsNodeLevelLoadControlInformationIePresent)
+    {
+            
+        // Encode the Ie Header
+        header.ieType = LoadControlInformationIeType;
+        header.instance = 0;
+        header.length = 0; // We will encode the IE first and then update the length
+        GtpV2Ie::encodeGtpV2IeHeader(buffer, header);
+        startIndex = buffer.getCurrentIndex(); 
+        LoadControlInformationIe loadControlInformation=
+        dynamic_cast<
+        LoadControlInformationIe&>(GtpV2IeFactory::getInstance().getIeObject(LoadControlInformationIeType));
+        SgwsNodeLevelLoadControlInformationInDownlinkDataNotification groupedIeInstance =
+        dynamic_cast<
+         SgwsNodeLevelLoadControlInformationInDownlinkDataNotification&>(loadControlInformation.getGroupedIe(msgType, 0));
+        rc = groupedIeInstance.encodeSgwsNodeLevelLoadControlInformationInDownlinkDataNotification(buffer, data.sgwsNodeLevelLoadControlInformation);
+        endIndex = buffer.getCurrentIndex();
+        length = endIndex - startIndex;
+    
+        // encode the length value now
+        buffer.goToIndex(startIndex - 3);
+        buffer.writeUint16(length, false);
+        buffer.goToIndex(endIndex);
+
+        if (!(rc))
+        { 
+            errorStream.add((char *)"Failed to encode IE: sgwsNodeLevelLoadControlInformation\n");
+            return false;
+        }
+    }
+
+    if (data.sgwsOverloadControlInformationIePresent)
+    {
+            
+        // Encode the Ie Header
+        header.ieType = OverloadControlInformationIeType;
+        header.instance = 0;
+        header.length = 0; // We will encode the IE first and then update the length
+        GtpV2Ie::encodeGtpV2IeHeader(buffer, header);
+        startIndex = buffer.getCurrentIndex(); 
+        OverloadControlInformationIe overloadControlInformation=
+        dynamic_cast<
+        OverloadControlInformationIe&>(GtpV2IeFactory::getInstance().getIeObject(OverloadControlInformationIeType));
+        SgwsOverloadControlInformationInDownlinkDataNotification groupedIeInstance =
+        dynamic_cast<
+         SgwsOverloadControlInformationInDownlinkDataNotification&>(overloadControlInformation.getGroupedIe(msgType, 0));
+        rc = groupedIeInstance.encodeSgwsOverloadControlInformationInDownlinkDataNotification(buffer, data.sgwsOverloadControlInformation);
+        endIndex = buffer.getCurrentIndex();
+        length = endIndex - startIndex;
+    
+        // encode the length value now
+        buffer.goToIndex(startIndex - 3);
+        buffer.writeUint16(length, false);
+        buffer.goToIndex(endIndex);
+
+        if (!(rc))
+        { 
+            errorStream.add((char *)"Failed to encode IE: sgwsOverloadControlInformation\n");
+            return false;
+        }
+    }
+
+    if (data.pagingAndServiceInformationIePresent)
+    {
+            
+        // Encode the Ie Header
+        header.ieType = PagingAndServiceInformationIeType;
+        header.instance = 0;
+        header.length = 0; // We will encode the IE first and then update the length
+        GtpV2Ie::encodeGtpV2IeHeader(buffer, header);
+        startIndex = buffer.getCurrentIndex(); 
+        PagingAndServiceInformationIe pagingAndServiceInformation=
+        dynamic_cast<
+        PagingAndServiceInformationIe&>(GtpV2IeFactory::getInstance().getIeObject(PagingAndServiceInformationIeType));
+        rc = pagingAndServiceInformation.encodePagingAndServiceInformationIe(buffer, data.pagingAndServiceInformation);
+        endIndex = buffer.getCurrentIndex();
+        length = endIndex - startIndex;
+    
+        // encode the length value now
+        buffer.goToIndex(startIndex - 3);
+        buffer.writeUint16(length, false);
+        buffer.goToIndex(endIndex);
+
+        if (!(rc))
+        { 
+            errorStream.add((char *)"Failed to encode IE: pagingAndServiceInformation\n");
+            return false;
+        }
+    }
+    return rc;
+
+}
+
+bool DownlinkDataNotificationMsg::decodeDownlinkDataNotificationMsg(MsgBuffer &buffer,
+ DownlinkDataNotificationMsgData 
+ &data, Uint16 length)
+{
+
+    bool rc = false;
+    GtpV2IeHeader ieHeader;
+  
+    set<Uint16> mandatoryIeLocalList = mandatoryIeSet;
+    while (buffer.lengthLeft() > IE_HEADER_SIZE)
+    {
+        GtpV2Ie::decodeGtpV2IeHeader(buffer, ieHeader);
+        if (ieHeader.length > buffer.lengthLeft())
+        {
+            // We do not have enough bytes left in the message for this IE
+            errorStream.add((char *)"IE Length exceeds beyond message boundary\n");
+            errorStream.add((char *)"  Offending IE Type: ");
+            errorStream.add(ieHeader.ieType);
+            errorStream.add((char *)"\n  Ie Length in Header: ");
+            errorStream.add(ieHeader.length);
+            errorStream.add((char *)"\n  Bytes left in message: ");
+            errorStream.add(buffer.lengthLeft());
+            errorStream.endOfLine();
+            return false;
+        }
+
+        switch (ieHeader.ieType){
+     
+            case CauseIeType:
+            {
+                CauseIe ieObject =
+                dynamic_cast<
+                CauseIe&>(GtpV2IeFactory::getInstance().getIeObject(CauseIeType));
+
+                if(ieHeader.instance == 0)
+                {
+					rc = ieObject.decodeCauseIe(buffer, data.cause, ieHeader.length);
+
+                    data.causeIePresent = true;
+                    if (!(rc))
+                    {
+                        errorStream.add((char *)"Failed to decode IE: cause\n");
+                        return false;
+                    }
+                }
+
+                else
+                {
+                    // Unknown IE instance print error
+                    errorStream.add((char *)"Unknown IE Type: ");
+                    errorStream.add(ieHeader.ieType);
+                    errorStream.endOfLine();
+                    buffer.skipBytes(ieHeader.length);
+                }
+                break;
+            }
+     
+            case EbiIeType:
+            {
+                EbiIe ieObject =
+                dynamic_cast<
+                EbiIe&>(GtpV2IeFactory::getInstance().getIeObject(EbiIeType));
+
+                if(ieHeader.instance == 0)
+                {
+					rc = ieObject.decodeEbiIe(buffer, data.epsBearerId, ieHeader.length);
+
+                    data.epsBearerIdIePresent = true;
+                    if (!(rc))
+                    {
+                        errorStream.add((char *)"Failed to decode IE: epsBearerId\n");
+                        return false;
+                    }
+                }
+
+                else
+                {
+                    // Unknown IE instance print error
+                    errorStream.add((char *)"Unknown IE Type: ");
+                    errorStream.add(ieHeader.ieType);
+                    errorStream.endOfLine();
+                    buffer.skipBytes(ieHeader.length);
+                }
+                break;
+            }
+     
+            case ArpIeType:
+            {
+                ArpIe ieObject =
+                dynamic_cast<
+                ArpIe&>(GtpV2IeFactory::getInstance().getIeObject(ArpIeType));
+
+                if(ieHeader.instance == 0)
+                {
+					rc = ieObject.decodeArpIe(buffer, data.allocationRetentionPriority, ieHeader.length);
+
+                    data.allocationRetentionPriorityIePresent = true;
+                    if (!(rc))
+                    {
+                        errorStream.add((char *)"Failed to decode IE: allocationRetentionPriority\n");
+                        return false;
+                    }
+                }
+
+                else
+                {
+                    // Unknown IE instance print error
+                    errorStream.add((char *)"Unknown IE Type: ");
+                    errorStream.add(ieHeader.ieType);
+                    errorStream.endOfLine();
+                    buffer.skipBytes(ieHeader.length);
+                }
+                break;
+            }
+     
+            case ImsiIeType:
+            {
+                ImsiIe ieObject =
+                dynamic_cast<
+                ImsiIe&>(GtpV2IeFactory::getInstance().getIeObject(ImsiIeType));
+
+                if(ieHeader.instance == 0)
+                {
+					rc = ieObject.decodeImsiIe(buffer, data.imsi, ieHeader.length);
+
+                    data.imsiIePresent = true;
+                    if (!(rc))
+                    {
+                        errorStream.add((char *)"Failed to decode IE: imsi\n");
+                        return false;
+                    }
+                }
+
+                else
+                {
+                    // Unknown IE instance print error
+                    errorStream.add((char *)"Unknown IE Type: ");
+                    errorStream.add(ieHeader.ieType);
+                    errorStream.endOfLine();
+                    buffer.skipBytes(ieHeader.length);
+                }
+                break;
+            }
+     
+            case FTeidIeType:
+            {
+                FTeidIe ieObject =
+                dynamic_cast<
+                FTeidIe&>(GtpV2IeFactory::getInstance().getIeObject(FTeidIeType));
+
+                if(ieHeader.instance == 0)
+                {
+					rc = ieObject.decodeFTeidIe(buffer, data.senderFTeidForControlPlane, ieHeader.length);
+
+                    data.senderFTeidForControlPlaneIePresent = true;
+                    if (!(rc))
+                    {
+                        errorStream.add((char *)"Failed to decode IE: senderFTeidForControlPlane\n");
+                        return false;
+                    }
+                }
+
+                else
+                {
+                    // Unknown IE instance print error
+                    errorStream.add((char *)"Unknown IE Type: ");
+                    errorStream.add(ieHeader.ieType);
+                    errorStream.endOfLine();
+                    buffer.skipBytes(ieHeader.length);
+                }
+                break;
+            }
+     
+            case IndicationIeType:
+            {
+                IndicationIe ieObject =
+                dynamic_cast<
+                IndicationIe&>(GtpV2IeFactory::getInstance().getIeObject(IndicationIeType));
+
+                if(ieHeader.instance == 0)
+                {
+					rc = ieObject.decodeIndicationIe(buffer, data.indicationFlags, ieHeader.length);
+
+                    data.indicationFlagsIePresent = true;
+                    if (!(rc))
+                    {
+                        errorStream.add((char *)"Failed to decode IE: indicationFlags\n");
+                        return false;
+                    }
+                }
+
+                else
+                {
+                    // Unknown IE instance print error
+                    errorStream.add((char *)"Unknown IE Type: ");
+                    errorStream.add(ieHeader.ieType);
+                    errorStream.endOfLine();
+                    buffer.skipBytes(ieHeader.length);
+                }
+                break;
+            }
+     
+            case LoadControlInformationIeType:
+            {
+                LoadControlInformationIe ieObject =
+                dynamic_cast<
+                LoadControlInformationIe&>(GtpV2IeFactory::getInstance().getIeObject(LoadControlInformationIeType));
+
+                if(ieHeader.instance == 0)
+                {
+					SgwsNodeLevelLoadControlInformationInDownlinkDataNotification groupedIeInstance =
+					dynamic_cast<
+					SgwsNodeLevelLoadControlInformationInDownlinkDataNotification&>(ieObject.getGroupedIe(msgType, 0));
+					rc = groupedIeInstance.decodeSgwsNodeLevelLoadControlInformationInDownlinkDataNotification(buffer, data.sgwsNodeLevelLoadControlInformation, ieHeader.length);
+
+                    data.sgwsNodeLevelLoadControlInformationIePresent = true;
+                    if (!(rc))
+                    {
+                        errorStream.add((char *)"Failed to decode IE: sgwsNodeLevelLoadControlInformation\n");
+                        return false;
+                    }
+                }
+
+                else
+                {
+                    // Unknown IE instance print error
+                    errorStream.add((char *)"Unknown IE Type: ");
+                    errorStream.add(ieHeader.ieType);
+                    errorStream.endOfLine();
+                    buffer.skipBytes(ieHeader.length);
+                }
+                break;
+            }
+     
+            case OverloadControlInformationIeType:
+            {
+                OverloadControlInformationIe ieObject =
+                dynamic_cast<
+                OverloadControlInformationIe&>(GtpV2IeFactory::getInstance().getIeObject(OverloadControlInformationIeType));
+
+                if(ieHeader.instance == 0)
+                {
+					SgwsOverloadControlInformationInDownlinkDataNotification groupedIeInstance =
+					dynamic_cast<
+					SgwsOverloadControlInformationInDownlinkDataNotification&>(ieObject.getGroupedIe(msgType, 0));
+					rc = groupedIeInstance.decodeSgwsOverloadControlInformationInDownlinkDataNotification(buffer, data.sgwsOverloadControlInformation, ieHeader.length);
+
+                    data.sgwsOverloadControlInformationIePresent = true;
+                    if (!(rc))
+                    {
+                        errorStream.add((char *)"Failed to decode IE: sgwsOverloadControlInformation\n");
+                        return false;
+                    }
+                }
+
+                else
+                {
+                    // Unknown IE instance print error
+                    errorStream.add((char *)"Unknown IE Type: ");
+                    errorStream.add(ieHeader.ieType);
+                    errorStream.endOfLine();
+                    buffer.skipBytes(ieHeader.length);
+                }
+                break;
+            }
+     
+            case PagingAndServiceInformationIeType:
+            {
+                PagingAndServiceInformationIe ieObject =
+                dynamic_cast<
+                PagingAndServiceInformationIe&>(GtpV2IeFactory::getInstance().getIeObject(PagingAndServiceInformationIeType));
+
+                if(ieHeader.instance == 0)
+                {
+					rc = ieObject.decodePagingAndServiceInformationIe(buffer, data.pagingAndServiceInformation, ieHeader.length);
+
+                    data.pagingAndServiceInformationIePresent = true;
+                    if (!(rc))
+                    {
+                        errorStream.add((char *)"Failed to decode IE: pagingAndServiceInformation\n");
+                        return false;
+                    }
+                }
+
+                else
+                {
+                    // Unknown IE instance print error
+                    errorStream.add((char *)"Unknown IE Type: ");
+                    errorStream.add(ieHeader.ieType);
+                    errorStream.endOfLine();
+                    buffer.skipBytes(ieHeader.length);
+                }
+                break;
+            }
+
+            default:
+            {
+                // Unknown IE print error
+                errorStream.add((char *)"Unknown IE Type: ");
+                errorStream.add(ieHeader.ieType);
+                errorStream.endOfLine();
+                buffer.skipBytes(ieHeader.length);
+            }
+        }
+    }
+    return rc; // TODO validations
+}
+
+void DownlinkDataNotificationMsg::
+displayDownlinkDataNotificationMsgData_v(DownlinkDataNotificationMsgData const &data, Debug &stream)
+{
+    stream.incrIndent();
+    stream.add((char *)"DownlinkDataNotificationMsg:");
+    stream.endOfLine();
+    stream.incrIndent();
+        
+    
+    if (data.causeIePresent)
+    {
+
+
+        stream.add((char *)"IE - cause:");
+        stream.endOfLine();
+        CauseIe cause=
+        dynamic_cast<
+        CauseIe&>(GtpV2IeFactory::getInstance().getIeObject(CauseIeType));
+        cause.displayCauseIe_v(data.cause, stream);
+
+    }
+    if (data.epsBearerIdIePresent)
+    {
+
+
+        stream.add((char *)"IE - epsBearerId:");
+        stream.endOfLine();
+        EbiIe ebi=
+        dynamic_cast<
+        EbiIe&>(GtpV2IeFactory::getInstance().getIeObject(EbiIeType));
+        ebi.displayEbiIe_v(data.epsBearerId, stream);
+
+    }
+    if (data.allocationRetentionPriorityIePresent)
+    {
+
+
+        stream.add((char *)"IE - allocationRetentionPriority:");
+        stream.endOfLine();
+        ArpIe arp=
+        dynamic_cast<
+        ArpIe&>(GtpV2IeFactory::getInstance().getIeObject(ArpIeType));
+        arp.displayArpIe_v(data.allocationRetentionPriority, stream);
+
+    }
+    if (data.imsiIePresent)
+    {
+
+
+        stream.add((char *)"IE - imsi:");
+        stream.endOfLine();
+        ImsiIe imsi=
+        dynamic_cast<
+        ImsiIe&>(GtpV2IeFactory::getInstance().getIeObject(ImsiIeType));
+        imsi.displayImsiIe_v(data.imsi, stream);
+
+    }
+    if (data.senderFTeidForControlPlaneIePresent)
+    {
+
+
+        stream.add((char *)"IE - senderFTeidForControlPlane:");
+        stream.endOfLine();
+        FTeidIe fTeid=
+        dynamic_cast<
+        FTeidIe&>(GtpV2IeFactory::getInstance().getIeObject(FTeidIeType));
+        fTeid.displayFTeidIe_v(data.senderFTeidForControlPlane, stream);
+
+    }
+    if (data.indicationFlagsIePresent)
+    {
+
+
+        stream.add((char *)"IE - indicationFlags:");
+        stream.endOfLine();
+        IndicationIe indication=
+        dynamic_cast<
+        IndicationIe&>(GtpV2IeFactory::getInstance().getIeObject(IndicationIeType));
+        indication.displayIndicationIe_v(data.indicationFlags, stream);
+
+    }
+    if (data.sgwsNodeLevelLoadControlInformationIePresent)
+    {
+
+
+        stream.add((char *)"IE - sgwsNodeLevelLoadControlInformation:");
+        stream.endOfLine();
+        LoadControlInformationIe loadControlInformation=
+        dynamic_cast<
+        LoadControlInformationIe&>(GtpV2IeFactory::getInstance().getIeObject(LoadControlInformationIeType));
+            SgwsNodeLevelLoadControlInformationInDownlinkDataNotification groupedIeInstance =
+        dynamic_cast<
+        SgwsNodeLevelLoadControlInformationInDownlinkDataNotification&>(loadControlInformation.getGroupedIe(msgType, 0));
+        groupedIeInstance.displaySgwsNodeLevelLoadControlInformationInDownlinkDataNotificationData_v(data.sgwsNodeLevelLoadControlInformation, stream);
+
+    }
+    if (data.sgwsOverloadControlInformationIePresent)
+    {
+
+
+        stream.add((char *)"IE - sgwsOverloadControlInformation:");
+        stream.endOfLine();
+        OverloadControlInformationIe overloadControlInformation=
+        dynamic_cast<
+        OverloadControlInformationIe&>(GtpV2IeFactory::getInstance().getIeObject(OverloadControlInformationIeType));
+            SgwsOverloadControlInformationInDownlinkDataNotification groupedIeInstance =
+        dynamic_cast<
+        SgwsOverloadControlInformationInDownlinkDataNotification&>(overloadControlInformation.getGroupedIe(msgType, 0));
+        groupedIeInstance.displaySgwsOverloadControlInformationInDownlinkDataNotificationData_v(data.sgwsOverloadControlInformation, stream);
+
+    }
+    if (data.pagingAndServiceInformationIePresent)
+    {
+
+
+        stream.add((char *)"IE - pagingAndServiceInformation:");
+        stream.endOfLine();
+        PagingAndServiceInformationIe pagingAndServiceInformation=
+        dynamic_cast<
+        PagingAndServiceInformationIe&>(GtpV2IeFactory::getInstance().getIeObject(PagingAndServiceInformationIeType));
+        pagingAndServiceInformation.displayPagingAndServiceInformationIe_v(data.pagingAndServiceInformation, stream);
+
+    }
+
+    stream.decrIndent();
+    stream.decrIndent();
+}
+
+