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

Change-Id: Ie55032217232214ac8544ca76ea34335205329e4
diff --git a/src/gtpV2Codec/ieClasses/servingNetworkIe.cpp b/src/gtpV2Codec/ieClasses/servingNetworkIe.cpp
new file mode 100644
index 0000000..fbbb73b
--- /dev/null
+++ b/src/gtpV2Codec/ieClasses/servingNetworkIe.cpp
@@ -0,0 +1,157 @@
+/*
+ * 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 "servingNetworkIe.h"
+#include "dataTypeCodecUtils.h"
+
+ServingNetworkIe::ServingNetworkIe() 
+{
+    ieType = 83;
+    // TODO
+
+}
+
+ServingNetworkIe::~ServingNetworkIe() {
+    // TODO Auto-generated destructor stub
+}
+
+bool ServingNetworkIe::encodeServingNetworkIe(MsgBuffer &buffer, ServingNetworkIeData const &data)
+{
+    if(!(buffer.writeBits(data.mccDigit2, 4)))
+    {
+        errorStream.add((char *)"Encoding of mccDigit2 failed\n");
+        return false;
+    }
+    if(!(buffer.writeBits(data.mccDigit1, 4)))
+    {
+        errorStream.add((char *)"Encoding of mccDigit1 failed\n");
+        return false;
+    }
+    if(!(buffer.writeBits(data.mncDigit3, 4)))
+    {
+        errorStream.add((char *)"Encoding of mncDigit3 failed\n");
+        return false;
+    }
+    if(!(buffer.writeBits(data.mccDigit3, 4)))
+    {
+        errorStream.add((char *)"Encoding of mccDigit3 failed\n");
+        return false;
+    }
+    if(!(buffer.writeBits(data.mncDigit2, 4)))
+    {
+        errorStream.add((char *)"Encoding of mncDigit2 failed\n");
+        return false;
+    }
+    if(!(buffer.writeBits(data.mncDigit1, 4)))
+    {
+        errorStream.add((char *)"Encoding of mncDigit1 failed\n");
+        return false;
+    }
+
+    return true;
+}
+
+bool ServingNetworkIe::decodeServingNetworkIe(MsgBuffer &buffer, ServingNetworkIeData &data, Uint16 length)
+{     
+    // TODO optimize the length checks
+    
+    Uint16 ieBoundary = buffer.getCurrentIndex() + length;
+    data.mccDigit2 = buffer.readBits(4);
+    // confirm that we are not reading beyond the IE boundary
+    if (buffer.getCurrentIndex() > ieBoundary)
+    {
+        errorStream.add((char *)"Attempt to read beyond IE boundary: mccDigit2\n");
+        return false;
+    }
+    data.mccDigit1 = buffer.readBits(4);
+    // confirm that we are not reading beyond the IE boundary
+    if (buffer.getCurrentIndex() > ieBoundary)
+    {
+        errorStream.add((char *)"Attempt to read beyond IE boundary: mccDigit1\n");
+        return false;
+    }
+    data.mncDigit3 = buffer.readBits(4);
+    // confirm that we are not reading beyond the IE boundary
+    if (buffer.getCurrentIndex() > ieBoundary)
+    {
+        errorStream.add((char *)"Attempt to read beyond IE boundary: mncDigit3\n");
+        return false;
+    }
+    data.mccDigit3 = buffer.readBits(4);
+    // confirm that we are not reading beyond the IE boundary
+    if (buffer.getCurrentIndex() > ieBoundary)
+    {
+        errorStream.add((char *)"Attempt to read beyond IE boundary: mccDigit3\n");
+        return false;
+    }
+    data.mncDigit2 = buffer.readBits(4);
+    // confirm that we are not reading beyond the IE boundary
+    if (buffer.getCurrentIndex() > ieBoundary)
+    {
+        errorStream.add((char *)"Attempt to read beyond IE boundary: mncDigit2\n");
+        return false;
+    }
+    data.mncDigit1 = buffer.readBits(4);
+    // confirm that we are not reading beyond the IE boundary
+    if (buffer.getCurrentIndex() > ieBoundary)
+    {
+        errorStream.add((char *)"Attempt to read beyond IE boundary: mncDigit1\n");
+        return false;
+    }
+
+    // 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 ServingNetworkIe\n");
+        return false;
+    }
+}
+void ServingNetworkIe::displayServingNetworkIe_v(ServingNetworkIeData const &data, Debug &stream)
+{
+    stream.incrIndent();
+    stream.add((char *)"ServingNetworkIeData:");
+    stream.incrIndent();
+    stream.endOfLine();
+  
+    stream.add( (char *)"mccDigit2: "); 
+    stream.add((Uint8)data.mccDigit2);
+    stream.endOfLine();
+  
+    stream.add( (char *)"mccDigit1: "); 
+    stream.add((Uint8)data.mccDigit1);
+    stream.endOfLine();
+  
+    stream.add( (char *)"mncDigit3: "); 
+    stream.add((Uint8)data.mncDigit3);
+    stream.endOfLine();
+  
+    stream.add( (char *)"mccDigit3: "); 
+    stream.add((Uint8)data.mccDigit3);
+    stream.endOfLine();
+  
+    stream.add( (char *)"mncDigit2: "); 
+    stream.add((Uint8)data.mncDigit2);
+    stream.endOfLine();
+  
+    stream.add( (char *)"mncDigit1: "); 
+    stream.add((Uint8)data.mncDigit1);
+    stream.endOfLine();
+    stream.decrIndent();
+    stream.decrIndent();
+}