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

Change-Id: Ie55032217232214ac8544ca76ea34335205329e4
diff --git a/include/mme-app/utils/defaultMmeProcedureCtxt.h b/include/mme-app/utils/defaultMmeProcedureCtxt.h
new file mode 100644
index 0000000..5fb4204
--- /dev/null
+++ b/include/mme-app/utils/defaultMmeProcedureCtxt.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2019, Infosys Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef INCLUDE_MME_APP_UTILS_DEFAULTMMEPROCEDURECTXT_H_
+#define INCLUDE_MME_APP_UTILS_DEFAULTMMEPROCEDURECTXT_H_
+
+#include <contextManager/dataBlocks.h>
+
+namespace mme
+{
+class DefaultMmeProcedureCtxt : public MmeProcedureCtxt
+{
+public:
+    static DefaultMmeProcedureCtxt* Instance();
+
+private:
+    DefaultMmeProcedureCtxt();
+    ~DefaultMmeProcedureCtxt();
+};
+}
+
+
+
+#endif /* INCLUDE_MME_APP_UTILS_DEFAULTMMEPROCEDURECTXT_H_ */
diff --git a/include/mme-app/utils/mmeCauseTypes.h b/include/mme-app/utils/mmeCauseTypes.h
new file mode 100644
index 0000000..6535119
--- /dev/null
+++ b/include/mme-app/utils/mmeCauseTypes.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2019, Infosys Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef INCLUDE_MME_APP_UTILS_MMECAUSETYPES_H_
+#define INCLUDE_MME_APP_UTILS_MMECAUSETYPES_H_
+
+#include <stdint.h>
+
+namespace mme
+{
+
+typedef uint32_t MmeErrorCause;
+
+const MmeErrorCause noError_c = 0x00;
+const MmeErrorCause ueContextNotFound_c = 0x01;
+
+}
+
+#endif /* INCLUDE_MME_APP_UTILS_MMECAUSETYPES_H_ */
diff --git a/include/mme-app/utils/mmeCommonUtils.h b/include/mme-app/utils/mmeCommonUtils.h
new file mode 100644
index 0000000..cc40620
--- /dev/null
+++ b/include/mme-app/utils/mmeCommonUtils.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2019, Infosys Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef INCLUDE_MME_APP_UTILS_MMECOMMONUTILS_H_
+#define INCLUDE_MME_APP_UTILS_MMECOMMONUTILS_H_
+
+#include <stdint.h>
+#include <utils/mmeProcedureTypes.h>
+#include <msgType.h>
+
+struct guti;
+
+namespace SM
+{
+	class ControlBlock;
+}
+
+namespace cmn
+{
+	namespace utils
+	{
+		class MsgBuffer;
+	}
+}
+
+namespace mme
+{
+	class MmeProcedureCtxt;
+	class UEContext;
+	class MmeCommonUtils
+	{
+	public:
+		static bool isLocalGuti(const guti& guti_r);
+		static uint32_t allocateMtmsi();
+
+		static SM::ControlBlock* findControlBlock(cmn::utils::MsgBuffer* msgData_p);
+
+		static AttachType getAttachType(UEContext* ueCtxt_p, const struct ue_attach_info& attachReqMsg_r);
+
+	private:
+		MmeCommonUtils();
+		~MmeCommonUtils();
+	};
+}
+
+#endif /* INCLUDE_MME_APP_UTILS_MMECOMMONUTILS_H_ */
diff --git a/include/mme-app/utils/mmeContextManagerUtils.h b/include/mme-app/utils/mmeContextManagerUtils.h
new file mode 100644
index 0000000..4f844a5
--- /dev/null
+++ b/include/mme-app/utils/mmeContextManagerUtils.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2019, Infosys Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef INCLUDE_MME_APP_UTILS_MMECONTEXTMANAGERUTILS_H_
+#define INCLUDE_MME_APP_UTILS_MMECONTEXTMANAGERUTILS_H_
+
+#include <utils/mmeProcedureTypes.h>
+#include <stdint.h>
+
+namespace SM
+{
+class ControlBlock;
+}
+
+namespace mme
+{
+
+class MmeProcedureCtxt;
+class MmeContextManagerUtils
+{
+public:
+
+    static MmeProcedureCtxt* findProcedureCtxt(SM::ControlBlock& cb_r, ProcedureType procType);
+
+	static bool deleteProcedureCtxt(MmeProcedureCtxt* procedure_p);
+	static bool deallocateProcedureCtxt(SM::ControlBlock& cb_r, ProcedureType procType);
+	static bool deallocateAllProcedureCtxts(SM::ControlBlock& cb_r);
+
+	static void deleteUEContext(uint32_t cbIndex);
+	static void deleteSessionContext(SM::ControlBlock& cb_r);
+
+private:
+	MmeContextManagerUtils();
+	~MmeContextManagerUtils();
+};
+}
+
+
+
+#endif /* INCLUDE_MME_APP_UTILS_MMECONTEXTMANAGERUTILS_H_ */
diff --git a/include/mme-app/utils/mmeProcedureTypes.h b/include/mme-app/utils/mmeProcedureTypes.h
new file mode 100644
index 0000000..2c7c620
--- /dev/null
+++ b/include/mme-app/utils/mmeProcedureTypes.h
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2019, Infosys Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef INCLUDE_MME_APP_UTILS_MMEPROCEDURETYPES_H_
+#define INCLUDE_MME_APP_UTILS_MMEPROCEDURETYPES_H_
+
+namespace mme
+{
+ enum AttachType
+ {
+	 invalidAttachType_c,
+
+	 imsiAttach_c,
+	 knownGutiAttach_c,
+	 unknownGutiAttach_c,
+
+	 maxAttachType_c
+ };
+
+ enum ProcedureType
+ {
+    	invalidProcedureType_c,
+
+    	defaultMmeProcedure_c,
+    	attach_c,
+    	detach_c,
+    	s1Release_c,
+    	serviceRequest_c,
+    	tau_c,
+
+    	maxProcedureType_c
+ };
+
+ enum DetachType
+ {
+    	invalidDetachType_c,
+
+    	mmeInitDetach_c,
+    	hssInitDetach_c,
+    	ueInitDetach_c,
+
+    	maxDetachtype_c
+ };
+
+ enum UE_State_e
+ {
+        InvalidState,
+
+        NoState,
+        EpsAttached,
+        EpsDetached,
+
+        maxUeState
+ };
+ using EmmState = UE_State_e;
+
+ enum PagingTrigger
+ {
+        none_c,
+        hssInit_c,
+        ddnInit_c,
+        maxPagingTrigger_c
+ };
+
+}
+
+#endif /* INCLUDE_MME_APP_UTILS_MMEPROCEDURETYPES_H_ */