Added NGAP protocol support (c9e3c590) · Commits · INT - Core Network and Interoperability Testing / 5G Core / NAS

ccsrc/Protocols/NGAP/codec.hh

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		/*!
		* \file codec.hh
		* \brief Header file for ITS abstract codec definition.
		* \author ETSI STF525
		* \copyright ETSI Copyright Notification
		* No part may be reproduced except as authorized by written permission.
		* The copyright and the foregoing restriction extend to reproduction in all media.
		* All rights reserved.
		* \version 0.1
		*/
		#pragma once

		///#include "params_its.hh"
		#include "t_layer.hh"

		class OCTETSTRING; //! Declare TITAN class
		class CHARSTRING; //! Declare TITAN class
		class BITSTRING; //! Declare TITAN class

		/*!
		* \class codec
		* \brief This class provides the interface for all ITS codecs, include UT and AC codecs
		* \abstract
		*/
		template <typename TPDUEnc, typename TPDUDec> class codec {
		protected:
		params *_params; //! Reference to params stack
		// \todo Use smart pointer std::unique_ptr<params>

		public: //! \publicsection
		/*!
		* \fn codec();
		* \brief Default constructor
		* \todo Remove logs
		*/
		explicit codec() : _params(nullptr){};
		/*!
		* \fn ~codec();
		* \brief Default destructor
		* \virtual
		* \todo Remove logs
		*/
		virtual ~codec(){};
		/*!
		* \fn int encode(const TPDUEnc& msg, OCTETSTRING& data);
		* \brief Encode typed message into an octet string
		* \param[in] p_message The typed message to be encoded
		* \param[out] p_data The encoding result
		* \return 0 on success, -1 otherwise
		* \pure
		*/
		virtual int encode(const TPDUEnc &p_message, OCTETSTRING &p_data) ;//= 0;
		/*!
		* \fn int decode(const OCTETSTRING& p_, TPDUDec& p_message, params_its* p_params = NULL);
		* \brief Encode typed message into an octet string format
		* \param[in] p_data The message in its octet string
		* \param[out] p_message The decoded typed message
		* \return 0 on success, -1 otherwise
		* \pure
		*/
		virtual int decode(const OCTETSTRING &p_, TPDUDec &p_message, params *p_params = NULL) ;//= 0;
		}; // End of class codec

ccsrc/Protocols/NGAP/module.mk

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		sources := ngap_codec.cc ngap_pdu_codec.cc
		includes := .

ccsrc/Protocols/NGAP/ngap_codec.cc

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		/*!
		* \file ngap_codec.cc
		* \brief CC file for NGAP protocol codec.
		* \author ETSI TTF041
		* \copyright ETSI Copyright Notification
		* No part may be reproduced except as authorized by written permission.
		* The copyright and the foregoing restriction extend to reproduction in all media.
		* All rights reserved.
		* \version 0.1
		*/


		#include "ngap_codec.hh"
		#include "LibNGAP_TypesAndValues.hh"
		#include "asn1/asn_application.h" // from asn1c
		#include "loggers.hh"
		#include "NGAP_PDU_Descriptions.hh"
		#include "NGAP_IEs.hh"

		template <typename T_type> class OPTIONAL;
		class TTCN_EncDec;


		//int ngap_codec::encode(const NGAP__PDU__Descriptions::NGAP__PDU , OCTETSTRING &data) {return 0;}
		int ngap_codec::encode(const NGAP__PDU__Descriptions::NGAP__PDU& ngap, OCTETSTRING &data) {

		BITSTRING b;
		int rc = asn_codec.encode(ngap, b);

		if (rc>0) {
		data = bit2oct(b);
		}else{
		//encode failed
		}
		return rc;
		}

		int ngap_codec::encode_(const Base_Type &type, const TTCN_Typedescriptor_t &field_descriptor, TTCN_Buffer &encoding_buffer) {
		loggers::get_instance().log(">>> ngap_codec::encode_: processing %s/%s", type.get_descriptor()->name, field_descriptor.name);
		loggers::get_instance().log_msg(">>> ngap_codec::encode_: ", type);

		return 0;
		}



		//int ngap_codec::decode(const OCTETSTRING &data, NGAP__PDU__Descriptions::NGAP__PDU &ngap, params_ *params) {return 0;}
		int ngap_codec::decode(const OCTETSTRING &data, NGAP__PDU__Descriptions::NGAP__PDU &ngap, params *params) {

		int rc = asn_codec.decode(oct2bit(data), ngap);

		if (rc>0) {
		}else{
		//decode failed
		}
		return rc;
		}

		int ngap_codec::decode_(Base_Type &type, const TTCN_Typedescriptor_t &field_descriptor, TTCN_Buffer &decoding_buffer) {
		loggers::get_instance().log(">>> ngap_codec::decode_: processing %s/%s (%d,%d,%p)", type.get_descriptor()->name, field_descriptor.name,
		decoding_buffer.get_len(), decoding_buffer.get_pos(), decoding_buffer.get_read_data());

		return 0;
		}

		int ngap_codec::decode(const OCTETSTRING &data, NGAP__IEs::PDUSessionResourceSetupResponseTransfer &ie, params *params){

		int rc=1;
		//int rc = asn_codec.decode(oct2bit(data), ie);

		if (rc>0) {
		}else{
		}

		return 0;
		}

ccsrc/Protocols/NGAP/ngap_codec.hh

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		/*!
		* \file ngap_codec.hh
		* \brief Header file for NGAP protocol codec.
		* \author ETSI TTF041
		* \copyright ETSI Copyright Notification
		* No part may be reproduced except as authorized by written permission.
		* The copyright and the foregoing restriction extend to reproduction in all media.
		* All rights reserved.
		* \version 0.1
		*/

		#pragma once

		#include "LibNGAP_TypesAndValues.hh"
		#include "ngap_pdu_codec.hh"
		//#include "codec.hh"
		#include "NGAP_PDU_Descriptions.hh"
		#include "NGAP_IEs.hh"

		class BITSTRING; //! Forward declaration of TITAN class
		class OCTETSTRING; //! Forward declaration of TITAN class
		//class params_;

		class Base_Type;
		class TTCN_Typedescriptor_t;
		class TTCN_Buffer;


		//namespace NGAP__PDU__Descriptions { //! Forward declaration of asn1c NGAP class
		// class NGAP__PDU;
		//}

		//class ngap_codec : public codec<NGAP__PDU__Descriptions::NGAP__PDU, NGAP__PDU__Descriptions::NGAP__PDU> {
		class ngap_codec {
		ngap_pdu_codec asn_codec;

		int encode_(const Base_Type &type, const TTCN_Typedescriptor_t &field_descriptor, TTCN_Buffer &encoding_buffer);

		int decode_(Base_Type &type, const TTCN_Typedescriptor_t &field_descriptor, TTCN_Buffer &decoding_buffer);


		public:
		//explicit ngap_codec() : codec<NGAP__PDU__Descriptions::NGAP__PDU, NGAP__PDU__Descriptions::NGAP__PDU>(), asn_codec(){};
		/explicit/ ngap_codec() : asn_codec(){};
		virtual ~ngap_codec(){};

		/virtual/ int encode(const NGAP__PDU__Descriptions::NGAP__PDU& ngap, OCTETSTRING &data);
		/virtual/ int decode(const OCTETSTRING &data, NGAP__PDU__Descriptions::NGAP__PDU &, params *params = NULL);

		/NGAP_IEs/
		/virtual/ int decode(const OCTETSTRING &data, NGAP__IEs::PDUSessionResourceSetupResponseTransfer &, params *params = NULL);

		};

ccsrc/Protocols/NGAP/ngap_pdu_codec.cc

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		/*!
		* \file ngap_pdu_codec.cc
		* \brief CC file for NGAP PDU protocol codec.
		* \author ETSI TTF041
		* \copyright ETSI Copyright Notification
		* No part may be reproduced except as authorized by written permission.
		* The copyright and the foregoing restriction extend to reproduction in all media.
		* All rights reserved.
		* \version 0.1
		*/

		#include "ngap_pdu_codec.hh"
		#include "LibNGAP_TypesAndValues.hh"
		#include "asn1/asn_application.h" // from asn1c
		#include "loggers.hh"
		#include "NGAP_PDU_Descriptions.hh"
		#include "TTCN3.hh"
		#include <errno.h>
		extern "C" {
		extern asn_TYPE_descriptor_s asn_DEF_NGAP_PDU;
		}
		extern "C" {
		static int asn1c_collect_encoded_data(const void buffer, size_t size, void application_specific_key) {
		TTCN_Buffer tb = (TTCN_Buffer )application_specific_key;
		tb->put_s(size, (unsigned char *)buffer);
		return 0;
		}
		}

		int ngap_pdu_codec::encode(const NGAP__PDU__Descriptions::NGAP__PDU &p_ngap, BITSTRING &p_data) {
		return _encode(NGAP__PDU__Descriptions::NGAP__PDU_descr_, asn_DEF_NGAP_PDU, p_ngap, p_data);
		}

		int ngap_pdu_codec::decode(const BITSTRING &p_data, NGAP__PDU__Descriptions::NGAP__PDU &p_ngap) {
		return _decode(NGAP__PDU__Descriptions::NGAP__PDU_descr_, asn_DEF_NGAP_PDU, p_data, p_ngap);
		}