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

Change-Id: Ie55032217232214ac8544ca76ea34335205329e4
diff --git a/src/gtpV2Codec/ieClasses/ipAddressIe.cpp b/src/gtpV2Codec/ieClasses/ipAddressIe.cpp
new file mode 100644
index 0000000..21e6264
--- /dev/null
+++ b/src/gtpV2Codec/ieClasses/ipAddressIe.cpp
@@ -0,0 +1,115 @@
+/*
+ * 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/ietemplate.cpp.tt>
+ ******************************************************************************/
+
+#include "ipAddressIe.h"
+#include "dataTypeCodecUtils.h"
+
+IpAddressIe::IpAddressIe() 
+{
+    ieType = 74;
+    // TODO
+
+}
+
+IpAddressIe::~IpAddressIe() {
+    // TODO Auto-generated destructor stub
+}
+
+bool IpAddressIe::encodeIpAddressIe(MsgBuffer &buffer, IpAddressIeData const &data)
+{
+    if (data.ipAddressV4Present)
+    {
+        if (!(DataTypeCodecUtils::encodeIpAddressV4(buffer, data.ipAddressV4)))
+        {
+            errorStream.add((char *)"Encoding of ipAddressV4 failed\n");
+            return false;
+        }
+    }
+    if (data.ipAddressV6Present)
+    {
+        if (!(DataTypeCodecUtils::encodeIpAddressV6(buffer, data.ipAddressV6)))
+        {
+            errorStream.add((char *)"Encoding of ipAddressV6 failed\n");
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool IpAddressIe::decodeIpAddressIe(MsgBuffer &buffer, IpAddressIeData &data, Uint16 length)
+{     
+    // TODO optimize the length checks
+    
+    Uint16 ieBoundary = buffer.getCurrentIndex() + length;
+
+    Uint16 lengthLeft = length;
+
+    if (length == 4)
+    {
+        lengthLeft = ieBoundary - buffer.getCurrentIndex();
+        if (!(DataTypeCodecUtils::decodeIpAddressV4(buffer, data.ipAddressV4, lengthLeft)))
+        {
+            errorStream.add((char *)"Failed to decode: ipAddressV4\n");
+            return false;
+        }
+        data.ipAddressV4Present = true;
+    }
+
+    if (length == 6)
+    {
+        lengthLeft = ieBoundary - buffer.getCurrentIndex();
+        if (!(DataTypeCodecUtils::decodeIpAddressV6(buffer, data.ipAddressV6, lengthLeft)))
+        {
+            errorStream.add((char *)"Failed to decode: ipAddressV6\n");
+            return false;
+        }
+        data.ipAddressV6Present = true;
+    }
+
+    // The IE is decoded now. The buffer index should be pointing to the 
+    // IE Boundary. If not, we have some more data left for the IE which we don't know
+    // how to decode
+    if (ieBoundary == buffer.getCurrentIndex())
+    {
+        return true;
+    }
+    else
+    {
+        errorStream.add((char *)"Unable to decode IE IpAddressIe\n");
+        return false;
+    }
+}
+void IpAddressIe::displayIpAddressIe_v(IpAddressIeData const &data, Debug &stream)
+{
+    stream.incrIndent();
+    stream.add((char *)"IpAddressIeData:");
+    stream.incrIndent();
+    stream.endOfLine();
+  
+    if (data.ipAddressV4Present)
+    {
+        stream.add((char *)"ipAddressV4:");
+        stream.endOfLine();
+        DataTypeCodecUtils::displayIpAddressV4_v(data.ipAddressV4, stream);
+    }   
+  
+    if (data.ipAddressV6Present)
+    {
+        stream.add((char *)"ipAddressV6:");
+        stream.endOfLine();
+        DataTypeCodecUtils::displayIpAddressV6_v(data.ipAddressV6, stream);
+    }   
+    stream.decrIndent();
+    stream.decrIndent();
+}