gauthier
7b5431a62c
git-svn-id: http://svn.eurecom.fr/openair4G/trunk@7886 818b1a75-f10b-46b9-bf7c-635c3b92a50f
253 lines
12 KiB
C
253 lines
12 KiB
C
/*
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* Copyright (c) 2015, EURECOM (www.eurecom.fr)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* The views and conclusions contained in the software and documentation are those
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* of the authors and should not be interpreted as representing official policies,
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* either expressed or implied, of the FreeBSD Project.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdint.h>
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#include "TLVEncoder.h"
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#include "TLVDecoder.h"
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#include "ActivateDedicatedEpsBearerContextRequest.h"
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int decode_activate_dedicated_eps_bearer_context_request(activate_dedicated_eps_bearer_context_request_msg *activate_dedicated_eps_bearer_context_request, uint8_t *buffer, uint32_t len)
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{
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uint32_t decoded = 0;
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int decoded_result = 0;
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// Check if we got a NULL pointer and if buffer length is >= minimum length expected for the message.
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CHECK_PDU_POINTER_AND_LENGTH_DECODER(buffer, ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_MINIMUM_LENGTH, len);
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/* Decoding mandatory fields */
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if ((decoded_result = decode_u8_linked_eps_bearer_identity(&activate_dedicated_eps_bearer_context_request->linkedepsbeareridentity, 0, *(buffer + decoded), len - decoded)) < 0)
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return decoded_result;
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decoded++;
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if ((decoded_result = decode_eps_quality_of_service(&activate_dedicated_eps_bearer_context_request->epsqos, 0, buffer + decoded, len - decoded)) < 0)
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return decoded_result;
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else
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decoded += decoded_result;
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if ((decoded_result = decode_traffic_flow_template(&activate_dedicated_eps_bearer_context_request->tft, 0, buffer + decoded, len - decoded)) < 0)
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return decoded_result;
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else
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decoded += decoded_result;
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/* Decoding optional fields */
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while(len - decoded > 0) {
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uint8_t ieiDecoded = *(buffer + decoded);
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/* Type | value iei are below 0x80 so just return the first 4 bits */
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if (ieiDecoded >= 0x80)
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ieiDecoded = ieiDecoded & 0xf0;
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switch(ieiDecoded) {
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case ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_TRANSACTION_IDENTIFIER_IEI:
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if ((decoded_result =
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decode_transaction_identifier(&activate_dedicated_eps_bearer_context_request->transactionidentifier,
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ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_TRANSACTION_IDENTIFIER_IEI,
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buffer + decoded, len - decoded)) <= 0)
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return decoded_result;
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decoded += decoded_result;
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/* Set corresponding mask to 1 in presencemask */
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activate_dedicated_eps_bearer_context_request->presencemask |= ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_TRANSACTION_IDENTIFIER_PRESENT;
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break;
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case ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_NEGOTIATED_QOS_IEI:
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if ((decoded_result =
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decode_quality_of_service(&activate_dedicated_eps_bearer_context_request->negotiatedqos,
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ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_NEGOTIATED_QOS_IEI,
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buffer + decoded, len - decoded)) <= 0)
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return decoded_result;
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decoded += decoded_result;
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/* Set corresponding mask to 1 in presencemask */
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activate_dedicated_eps_bearer_context_request->presencemask |= ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_NEGOTIATED_QOS_PRESENT;
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break;
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case ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_NEGOTIATED_LLC_SAPI_IEI:
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if ((decoded_result =
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decode_llc_service_access_point_identifier(&activate_dedicated_eps_bearer_context_request->negotiatedllcsapi,
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ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_NEGOTIATED_LLC_SAPI_IEI,
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buffer + decoded, len - decoded)) <= 0)
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return decoded_result;
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decoded += decoded_result;
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/* Set corresponding mask to 1 in presencemask */
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activate_dedicated_eps_bearer_context_request->presencemask |= ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_NEGOTIATED_LLC_SAPI_PRESENT;
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break;
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case ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_RADIO_PRIORITY_IEI:
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if ((decoded_result =
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decode_radio_priority(&activate_dedicated_eps_bearer_context_request->radiopriority,
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ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_RADIO_PRIORITY_IEI,
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buffer + decoded, len - decoded)) <= 0)
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return decoded_result;
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decoded += decoded_result;
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/* Set corresponding mask to 1 in presencemask */
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activate_dedicated_eps_bearer_context_request->presencemask |= ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_RADIO_PRIORITY_PRESENT;
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break;
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case ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_PACKET_FLOW_IDENTIFIER_IEI:
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if ((decoded_result =
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decode_packet_flow_identifier(&activate_dedicated_eps_bearer_context_request->packetflowidentifier,
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ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_PACKET_FLOW_IDENTIFIER_IEI,
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buffer + decoded, len - decoded)) <= 0)
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return decoded_result;
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decoded += decoded_result;
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/* Set corresponding mask to 1 in presencemask */
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activate_dedicated_eps_bearer_context_request->presencemask |= ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_PACKET_FLOW_IDENTIFIER_PRESENT;
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break;
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case ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_PROTOCOL_CONFIGURATION_OPTIONS_IEI:
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if ((decoded_result =
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decode_protocol_configuration_options(&activate_dedicated_eps_bearer_context_request->protocolconfigurationoptions,
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ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_PROTOCOL_CONFIGURATION_OPTIONS_IEI,
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buffer + decoded, len - decoded)) <= 0)
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return decoded_result;
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decoded += decoded_result;
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/* Set corresponding mask to 1 in presencemask */
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activate_dedicated_eps_bearer_context_request->presencemask |= ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_PROTOCOL_CONFIGURATION_OPTIONS_PRESENT;
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break;
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default:
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errorCodeDecoder = TLV_DECODE_UNEXPECTED_IEI;
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return TLV_DECODE_UNEXPECTED_IEI;
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}
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}
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return decoded;
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}
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int encode_activate_dedicated_eps_bearer_context_request(activate_dedicated_eps_bearer_context_request_msg *activate_dedicated_eps_bearer_context_request, uint8_t *buffer, uint32_t len)
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{
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int encoded = 0;
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int encode_result = 0;
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/* Checking IEI and pointer */
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CHECK_PDU_POINTER_AND_LENGTH_ENCODER(buffer, ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_MINIMUM_LENGTH, len);
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*(buffer + encoded) = encode_u8_linked_eps_bearer_identity(&activate_dedicated_eps_bearer_context_request->linkedepsbeareridentity) & 0x0f;
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encoded++;
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if ((encode_result =
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encode_eps_quality_of_service(&activate_dedicated_eps_bearer_context_request->epsqos,
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0, buffer + encoded, len - encoded)) < 0) //Return in case of error
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return encode_result;
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else
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encoded += encode_result;
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if ((encode_result =
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encode_traffic_flow_template(&activate_dedicated_eps_bearer_context_request->tft,
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0, buffer + encoded, len - encoded)) < 0) //Return in case of error
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return encode_result;
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else
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encoded += encode_result;
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if ((activate_dedicated_eps_bearer_context_request->presencemask & ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_TRANSACTION_IDENTIFIER_PRESENT)
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== ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_TRANSACTION_IDENTIFIER_PRESENT) {
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if ((encode_result =
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encode_transaction_identifier(&activate_dedicated_eps_bearer_context_request->transactionidentifier,
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ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_TRANSACTION_IDENTIFIER_IEI,
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buffer + encoded, len - encoded)) < 0)
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// Return in case of error
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return encode_result;
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else
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encoded += encode_result;
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}
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if ((activate_dedicated_eps_bearer_context_request->presencemask & ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_NEGOTIATED_QOS_PRESENT)
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== ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_NEGOTIATED_QOS_PRESENT) {
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if ((encode_result =
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encode_quality_of_service(&activate_dedicated_eps_bearer_context_request->negotiatedqos,
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ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_NEGOTIATED_QOS_IEI,
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buffer + encoded, len - encoded)) < 0)
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// Return in case of error
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return encode_result;
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else
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encoded += encode_result;
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}
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if ((activate_dedicated_eps_bearer_context_request->presencemask & ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_NEGOTIATED_LLC_SAPI_PRESENT)
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== ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_NEGOTIATED_LLC_SAPI_PRESENT) {
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if ((encode_result =
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encode_llc_service_access_point_identifier(&activate_dedicated_eps_bearer_context_request->negotiatedllcsapi,
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ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_NEGOTIATED_LLC_SAPI_IEI,
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buffer + encoded, len - encoded)) < 0)
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// Return in case of error
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return encode_result;
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else
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encoded += encode_result;
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}
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if ((activate_dedicated_eps_bearer_context_request->presencemask & ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_RADIO_PRIORITY_PRESENT)
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== ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_RADIO_PRIORITY_PRESENT) {
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if ((encode_result =
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encode_radio_priority(&activate_dedicated_eps_bearer_context_request->radiopriority,
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ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_RADIO_PRIORITY_IEI,
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buffer + encoded, len - encoded)) < 0)
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// Return in case of error
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return encode_result;
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else
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encoded += encode_result;
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}
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if ((activate_dedicated_eps_bearer_context_request->presencemask & ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_PACKET_FLOW_IDENTIFIER_PRESENT)
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== ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_PACKET_FLOW_IDENTIFIER_PRESENT) {
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if ((encode_result =
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encode_packet_flow_identifier(&activate_dedicated_eps_bearer_context_request->packetflowidentifier,
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ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_PACKET_FLOW_IDENTIFIER_IEI,
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buffer + encoded, len - encoded)) < 0)
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// Return in case of error
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return encode_result;
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else
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encoded += encode_result;
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}
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if ((activate_dedicated_eps_bearer_context_request->presencemask & ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_PROTOCOL_CONFIGURATION_OPTIONS_PRESENT)
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== ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_PROTOCOL_CONFIGURATION_OPTIONS_PRESENT) {
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if ((encode_result =
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encode_protocol_configuration_options(&activate_dedicated_eps_bearer_context_request->protocolconfigurationoptions,
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ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_PROTOCOL_CONFIGURATION_OPTIONS_IEI,
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buffer + encoded, len - encoded)) < 0)
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// Return in case of error
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return encode_result;
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else
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encoded += encode_result;
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}
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return encoded;
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}
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