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/*******************************************************************************
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    OpenAirInterface
    Copyright(c) 1999 - 2014 Eurecom
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    OpenAirInterface is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
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    OpenAirInterface is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
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    You should have received a copy of the GNU General Public License
    along with OpenAirInterface.The full GNU General Public License is
   included in this distribution in the file called "COPYING". If not,
   see <http://www.gnu.org/licenses/>.
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  Contact Information
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  OpenAirInterface Admin: openair_admin@eurecom.fr
  OpenAirInterface Tech : openair_tech@eurecom.fr
  OpenAirInterface Dev  : openair4g-devel@eurecom.fr

  Address      : Eurecom, Compus SophiaTech 450, route des chappes, 06451 Biot, France.
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 *******************************************************************************/
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/** @defgroup _s1ap_impl_ S1AP Layer Reference Implementation
 * @ingroup _ref_implementation_
 * @{
 */

#if HAVE_CONFIG_H_
# include "config.h"
#endif

#ifndef S1AP_COMMON_H_
#define S1AP_COMMON_H_

/* Defined in asn_internal.h */
// extern int asn_debug_indent;
extern int asn_debug;

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inline void ASN_DEBUG(const char *fmt, ...);
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#include "S1ap-Criticality.h"
#include "S1ap-Presence.h"
#include "S1ap-PrivateIE-ID.h"
#include "S1ap-ProcedureCode.h"
#include "S1ap-ProtocolExtensionID.h"
#include "S1ap-ProtocolIE-ID.h"
#include "S1ap-TriggeringMessage.h"
#include "S1ap-AllocationAndRetentionPriority.h"
#include "S1ap-Bearers-SubjectToStatusTransfer-List.h"
#include "S1ap-Bearers-SubjectToStatusTransfer-Item.h"
#include "S1ap-BitRate.h"
#include "S1ap-BPLMNs.h"
#include "S1ap-BroadcastCompletedAreaList.h"
#include "S1ap-Cause.h"
#include "S1ap-CauseMisc.h"
#include "S1ap-CauseProtocol.h"
#include "S1ap-CauseRadioNetwork.h"
#include "S1ap-CauseTransport.h"
#include "S1ap-CauseNas.h"
#include "S1ap-CellIdentity.h"
#include "S1ap-CellID-Broadcast.h"
#include "S1ap-CellID-Broadcast-Item.h"
#include "S1ap-Cdma2000PDU.h"
#include "S1ap-Cdma2000RATType.h"
#include "S1ap-Cdma2000SectorID.h"
#include "S1ap-Cdma2000HOStatus.h"
#include "S1ap-Cdma2000HORequiredIndication.h"
#include "S1ap-Cdma2000OneXSRVCCInfo.h"
#include "S1ap-Cdma2000OneXMEID.h"
#include "S1ap-Cdma2000OneXMSI.h"
#include "S1ap-Cdma2000OneXPilot.h"
#include "S1ap-Cdma2000OneXRAND.h"
#include "S1ap-Cell-Size.h"
#include "S1ap-CellType.h"
#include "S1ap-CGI.h"
#include "S1ap-CI.h"
#include "S1ap-CNDomain.h"
#include "S1ap-CSFallbackIndicator.h"
#include "S1ap-CSG-Id.h"
#include "S1ap-CSG-IdList.h"
#include "S1ap-CSG-IdList-Item.h"
#include "S1ap-COUNTvalue.h"
#include "S1ap-DataCodingScheme.h"
#include "S1ap-DL-Forwarding.h"
#include "S1ap-Direct-Forwarding-Path-Availability.h"
#include "S1ap-ECGIList.h"
#include "S1ap-EmergencyAreaIDList.h"
#include "S1ap-EmergencyAreaID.h"
#include "S1ap-EmergencyAreaID-Broadcast.h"
#include "S1ap-EmergencyAreaID-Broadcast-Item.h"
#include "S1ap-CompletedCellinEAI.h"
#include "S1ap-CompletedCellinEAI-Item.h"
#include "S1ap-ENB-ID.h"
#include "S1ap-GERAN-Cell-ID.h"
#include "S1ap-Global-ENB-ID.h"
#include "S1ap-ENB-StatusTransfer-TransparentContainer.h"
#include "S1ap-ENBname.h"
#include "S1ap-ENBX2TLAs.h"
#include "S1ap-EncryptionAlgorithms.h"
#include "S1ap-EPLMNs.h"
#include "S1ap-EventType.h"
#include "S1ap-E-RAB-ID.h"
#include "S1ap-E-RABInformationList.h"
#include "S1ap-E-RABInformationListItem.h"
#include "S1ap-E-RABList.h"
#include "S1ap-E-RABItem.h"
#include "S1ap-E-RABLevelQoSParameters.h"
#include "S1ap-EUTRAN-CGI.h"
#include "S1ap-ExtendedRNC-ID.h"
#include "S1ap-ForbiddenInterRATs.h"
#include "S1ap-ForbiddenTAs.h"
#include "S1ap-ForbiddenTAs-Item.h"
#include "S1ap-ForbiddenTACs.h"
#include "S1ap-ForbiddenLAs.h"
#include "S1ap-ForbiddenLAs-Item.h"
#include "S1ap-ForbiddenLACs.h"
#include "S1ap-GBR-QosInformation.h"
#include "S1ap-GTP-TEID.h"
#include "S1ap-GUMMEI.h"
#include "S1ap-HandoverRestrictionList.h"
#include "S1ap-HandoverType.h"
#include "S1ap-HFN.h"
#include "S1ap-IMSI.h"
#include "S1ap-IntegrityProtectionAlgorithms.h"
#include "S1ap-InterfacesToTrace.h"
#include "S1ap-LAC.h"
#include "S1ap-LAI.h"
#include "S1ap-LastVisitedCell-Item.h"
#include "S1ap-LastVisitedEUTRANCellInformation.h"
#include "S1ap-LastVisitedUTRANCellInformation.h"
#include "S1ap-LastVisitedGERANCellInformation.h"
#include "S1ap-L3-Information.h"
#include "S1ap-MessageIdentifier.h"
#include "S1ap-MMEname.h"
#include "S1ap-MME-Group-ID.h"
#include "S1ap-MME-Code.h"
#include "S1ap-M-TMSI.h"
#include "S1ap-MSClassmark2.h"
#include "S1ap-MSClassmark3.h"
#include "S1ap-NAS-PDU.h"
#include "S1ap-NASSecurityParametersfromE-UTRAN.h"
#include "S1ap-NASSecurityParameterstoE-UTRAN.h"
#include "S1ap-NumberofBroadcastRequest.h"
#include "S1ap-NumberOfBroadcasts.h"
#include "S1ap-OldBSS-ToNewBSS-Information.h"
#include "S1ap-OverloadAction.h"
#include "S1ap-OverloadResponse.h"
#include "S1ap-PagingDRX.h"
#include "S1ap-PDCP-SN.h"
#include "S1ap-PLMNidentity.h"
#include "S1ap-Pre-emptionCapability.h"
#include "S1ap-Pre-emptionVulnerability.h"
#include "S1ap-PriorityLevel.h"
#include "S1ap-QCI.h"
#include "S1ap-ReceiveStatusofULPDCPSDUs.h"
#include "S1ap-RelativeMMECapacity.h"
#include "S1ap-RAC.h"
#include "S1ap-RequestType.h"
#include "S1ap-RIMTransfer.h"
#include "S1ap-RIMInformation.h"
#include "S1ap-RIMRoutingAddress.h"
#include "S1ap-ReportArea.h"
#include "S1ap-RepetitionPeriod.h"
#include "S1ap-RNC-ID.h"
#include "S1ap-RRC-Container.h"
#include "S1ap-RRC-Establishment-Cause.h"
#include "S1ap-SecurityKey.h"
#include "S1ap-SecurityContext.h"
#include "S1ap-SerialNumber.h"
#include "S1ap-SONInformation.h"
#include "S1ap-SONInformationRequest.h"
#include "S1ap-SONInformationReply.h"
#include "S1ap-SONConfigurationTransfer.h"
#include "S1ap-Source-ToTarget-TransparentContainer.h"
#include "S1ap-SourceBSS-ToTargetBSS-TransparentContainer.h"
#include "S1ap-SourceeNB-ID.h"
#include "S1ap-SRVCCOperationPossible.h"
#include "S1ap-SRVCCHOIndication.h"
#include "S1ap-SourceeNB-ToTargeteNB-TransparentContainer.h"
#include "S1ap-SourceRNC-ToTargetRNC-TransparentContainer.h"
#include "S1ap-ServedGUMMEIs.h"
#include "S1ap-ServedGUMMEIsItem.h"
#include "S1ap-ServedGroupIDs.h"
#include "S1ap-ServedMMECs.h"
#include "S1ap-ServedPLMNs.h"
#include "S1ap-SubscriberProfileIDforRFP.h"
#include "S1ap-SupportedTAs.h"
#include "S1ap-SupportedTAs-Item.h"
#include "S1ap-S-TMSI.h"
#include "S1ap-TAC.h"
#include "S1ap-TAIItem.h"
#include "S1ap-TAIList.h"
#include "S1ap-TAIListforWarning.h"
#include "S1ap-TAI.h"
#include "S1ap-TAI-Broadcast.h"
#include "S1ap-TAI-Broadcast-Item.h"
#include "S1ap-CompletedCellinTAI.h"
#include "S1ap-CompletedCellinTAI-Item.h"
#include "S1ap-TargetID.h"
#include "S1ap-TargeteNB-ID.h"
#include "S1ap-TargetRNC-ID.h"
#include "S1ap-TargeteNB-ToSourceeNB-TransparentContainer.h"
#include "S1ap-Target-ToSource-TransparentContainer.h"
#include "S1ap-TargetRNC-ToSourceRNC-TransparentContainer.h"
#include "S1ap-TargetBSS-ToSourceBSS-TransparentContainer.h"
#include "S1ap-TimeToWait.h"
#include "S1ap-Time-UE-StayedInCell.h"
#include "S1ap-TransportLayerAddress.h"
#include "S1ap-TraceActivation.h"
#include "S1ap-TraceDepth.h"
#include "S1ap-E-UTRAN-Trace-ID.h"
#include "S1ap-TypeOfError.h"
#include "S1ap-UEAggregateMaximumBitrate.h"
#include "S1ap-UE-associatedLogicalS1-ConnectionItem.h"
#include "S1ap-UEIdentityIndexValue.h"
#include "S1ap-UE-HistoryInformation.h"
#include "S1ap-UEPagingID.h"
#include "S1ap-UERadioCapability.h"
#include "S1ap-UESecurityCapabilities.h"
#include "S1ap-WarningAreaList.h"
#include "S1ap-WarningType.h"
#include "S1ap-WarningSecurityInfo.h"
#include "S1ap-WarningMessageContents.h"
#include "S1ap-X2TNLConfigurationInfo.h"
#include "S1ap-CriticalityDiagnostics.h"
#include "S1ap-CriticalityDiagnostics-IE-List.h"
#include "S1ap-CriticalityDiagnostics-IE-Item.h"
#include "S1ap-ResetType.h"
#include "S1ap-Inter-SystemInformationTransferType.h"
#include "S1ap-UE-S1AP-IDs.h"
#include "S1ap-UE-S1AP-ID-pair.h"
#include "S1ap-MME-UE-S1AP-ID.h"
#include "S1ap-ENB-UE-S1AP-ID.h"
#include "S1ap-TBCD-STRING.h"
#include "S1ap-InitiatingMessage.h"
#include "S1ap-SuccessfulOutcome.h"
#include "S1ap-UnsuccessfulOutcome.h"
#include "S1ap-HandoverRequired.h"
#include "S1ap-HandoverCommand.h"
#include "S1ap-HandoverNotify.h"
#include "S1ap-HandoverPreparationFailure.h"
#include "S1ap-HandoverRequest.h"
#include "S1ap-HandoverRequestAcknowledge.h"
#include "S1ap-HandoverFailure.h"
#include "S1ap-PathSwitchRequest.h"
#include "S1ap-PathSwitchRequestAcknowledge.h"
#include "S1ap-PathSwitchRequestFailure.h"
#include "S1ap-E-RABSetupRequest.h"
#include "S1ap-E-RABSetupResponse.h"
#include "S1ap-E-RABModifyRequest.h"
#include "S1ap-E-RABModifyResponse.h"
#include "S1ap-E-RABReleaseIndication.h"
#include "S1ap-E-RABReleaseCommand.h"
#include "S1ap-E-RABReleaseResponse.h"
#include "S1ap-InitialContextSetupRequest.h"
#include "S1ap-InitialContextSetupResponse.h"
#include "S1ap-InitialContextSetupFailure.h"
#include "S1ap-UEContextReleaseRequest.h"
#include "S1ap-Paging.h"
#include "S1ap-DownlinkNASTransport.h"
#include "S1ap-InitialUEMessage.h"
#include "S1ap-UplinkNASTransport.h"
#include "S1ap-NASNonDeliveryIndication.h"
#include "S1ap-HandoverCancel.h"
#include "S1ap-HandoverCancelAcknowledge.h"
#include "S1ap-Reset.h"
#include "S1ap-ResetAcknowledge.h"
#include "S1ap-S1SetupResponse.h"
#include "S1ap-S1SetupRequest.h"
#include "S1ap-S1SetupFailure.h"
#include "S1ap-ErrorIndication.h"
#include "S1ap-ENBConfigurationUpdate.h"
#include "S1ap-ENBConfigurationUpdateAcknowledge.h"
#include "S1ap-ENBConfigurationUpdateFailure.h"
#include "S1ap-MMEConfigurationUpdate.h"
#include "S1ap-MMEConfigurationUpdateAcknowledge.h"
#include "S1ap-MMEConfigurationUpdateFailure.h"
#include "S1ap-DownlinkS1cdma2000tunneling.h"
#include "S1ap-UplinkS1cdma2000tunneling.h"
#include "S1ap-UEContextModificationRequest.h"
#include "S1ap-UEContextModificationResponse.h"
#include "S1ap-UEContextModificationFailure.h"
#include "S1ap-UECapabilityInfoIndication.h"
#include "S1ap-UEContextReleaseCommand.h"
#include "S1ap-UEContextReleaseComplete.h"
#include "S1ap-ENBStatusTransfer.h"
#include "S1ap-MMEStatusTransfer.h"
#include "S1ap-DeactivateTrace.h"
#include "S1ap-TraceStart.h"
#include "S1ap-TraceFailureIndication.h"
#include "S1ap-CellTrafficTrace.h"
#include "S1ap-LocationReportingControl.h"
#include "S1ap-LocationReportingFailureIndication.h"
#include "S1ap-LocationReport.h"
#include "S1ap-OverloadStart.h"
#include "S1ap-OverloadStop.h"
#include "S1ap-WriteReplaceWarningRequest.h"
#include "S1ap-WriteReplaceWarningResponse.h"
#include "S1ap-ENBDirectInformationTransfer.h"
#include "S1ap-MMEDirectInformationTransfer.h"
#include "S1ap-ENBConfigurationTransfer.h"
#include "S1ap-MMEConfigurationTransfer.h"
#include "S1ap-PrivateMessage.h"
#include "S1ap-E-RABReleaseItemBearerRelComp.h"
#include "S1ap-E-RABToBeSwitchedDLList.h"
#include "S1ap-E-RABToBeSwitchedDLItem.h"
#include "S1ap-E-RABToBeSwitchedULList.h"
#include "S1ap-E-RABToBeSwitchedULItem.h"
#include "S1ap-E-RABToBeSetupListBearerSUReq.h"
#include "S1ap-E-RABToBeSetupItemBearerSUReq.h"
#include "S1ap-E-RABDataForwardingList.h"
#include "S1ap-E-RABDataForwardingItem.h"
#include "S1ap-E-RABToBeSetupListHOReq.h"
#include "S1ap-E-RABToBeSetupItemHOReq.h"
#include "S1ap-E-RABAdmittedList.h"
#include "S1ap-E-RABAdmittedItem.h"
#include "S1ap-E-RABFailedToSetupListHOReqAck.h"
#include "S1ap-E-RABToBeSetupItemCtxtSUReq.h"
#include "S1ap-E-RABToBeSetupListCtxtSUReq.h"
#include "S1ap-E-RABSetupItemBearerSURes.h"
#include "S1ap-E-RABSetupListBearerSURes.h"
#include "S1ap-E-RABSetupItemCtxtSURes.h"
#include "S1ap-E-RABSetupListCtxtSURes.h"
#include "S1ap-E-RABReleaseListBearerRelComp.h"
#include "S1ap-E-RABModifyItemBearerModRes.h"
#include "S1ap-E-RABModifyListBearerModRes.h"
#include "S1ap-E-RABFailedToSetupItemHOReqAck.h"
#include "S1ap-E-RABFailedToSetupListHOReqAck.h"
#include "S1ap-E-RABToBeModifiedItemBearerModReq.h"
#include "S1ap-E-RABToBeModifiedListBearerModReq.h"
#include "S1ap-UE-associatedLogicalS1-ConnectionListResAck.h"
#include "S1ap-IE.h"
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#include "S1AP-PDU.h"

#if defined (UPDATE_RELEASE_9)
# include "S1ap-BroadcastCancelledAreaList.h"
# include "S1ap-CancelledCellinEAI.h"
# include "S1ap-CancelledCellinEAI-Item.h"
# include "S1ap-CancelledCellinTAI.h"
# include "S1ap-CancelledCellinTAI-Item.h"
# include "S1ap-CellAccessMode.h"
# include "S1ap-CellID-Cancelled.h"
# include "S1ap-CellID-Cancelled-Item.h"
# include "S1ap-ConcurrentWarningMessageIndicator.h"
# include "S1ap-CSGMembershipStatus.h"
# include "S1ap-Data-Forwarding-Not-Possible.h"
# include "S1ap-EmergencyAreaID-Cancelled.h"
# include "S1ap-EmergencyAreaID-Cancelled-Item.h"
# include "S1ap-E-RABList.h"
# include "S1ap-EUTRANRoundTripDelayEstimationInfo.h"
# include "S1ap-ExtendedRepetitionPeriod.h"
# include "S1ap-LPPa-PDU.h"
# include "S1ap-PS-ServiceNotAvailable.h"
# include "S1ap-Routing-ID.h"
# include "S1ap-StratumLevel.h"
# include "S1ap-SynchronizationStatus.h"
# include "S1ap-TimeSynchronizationInfo.h"
# include "S1ap-TAI-Cancelled.h"
# include "S1ap-TAI-Cancelled-Item.h"
# include "S1ap-KillRequest.h"
# include "S1ap-KillResponse.h"
# include "S1ap-DownlinkUEAssociatedLPPaTransport.h"
# include "S1ap-UplinkUEAssociatedLPPaTransport.h"
# include "S1ap-DownlinkNonUEAssociatedLPPaTransport.h"
# include "S1ap-UplinkNonUEAssociatedLPPaTransport.h"
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#endif /* (UPDATE_RELEASE_9) */

#if defined(UPDATE_RELEASE_10)
# include "S1ap-PagingPriority.h"
# include "S1ap-RelayNode-Indicator.h"
# include "S1ap-GWContextReleaseIndication.h"
# include "S1ap-MMERelaySupportIndicator.h"
# include "S1ap-ManagementBasedMDTAllowed.h"
# include "S1ap-PrivacyIndicator.h"
# include "S1ap-TrafficLoadReductionIndication.h"
# include "S1ap-GUMMEIList.h"
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#endif /* (UPDATE_RELEASE_10) */

/* Checking version of ASN1C compiler */
#if (ASN1C_ENVIRONMENT_VERSION < ASN1C_MINIMUM_VERSION)
# error "You are compiling s1ap with the wrong version of ASN1C"
#endif

#ifndef FALSE
# define FALSE (0)
#endif
#ifndef TRUE
# define TRUE  (!FALSE)
#endif

extern int asn_debug;
extern int asn1_xer_print;

#if defined(ENB_MODE)
# include "UTIL/LOG/log.h"
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# define S1AP_ERROR(x, args...) LOG_E(S1AP, x, ##args)
# define S1AP_WARN(x, args...)  LOG_W(S1AP, x, ##args)
# define S1AP_TRAF(x, args...)  LOG_I(S1AP, x, ##args)
# define S1AP_INFO(x, args...) LOG_I(S1AP, x, ##args)
# define S1AP_DEBUG(x, args...) LOG_I(S1AP, x, ##args)
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#else
# include "mme_default_values.h"
# define S1AP_ERROR(x, args...) do { fprintf(stdout, "[S1AP][E]"x, ##args); } while(0)
# define S1AP_WARN(x, args...)  do { fprintf(stdout, "[S1AP][W]"x, ##args); } while(0)
# define S1AP_TRAF(x, args...)  do { fprintf(stdout, "[S1AP][T]"x, ##args); } while(0)
# define S1AP_INFO(x, args...) do { fprintf(stdout, "[S1AP][I]"x, ##args); } while(0)
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# define S1AP_DEBUG(x, args...) do { fprintf(stdout, "[S1AP][D]"x, ##args); } while(0)
#endif

//Forward declaration
struct s1ap_message_s;

/** \brief Function callback prototype.
 **/
typedef int (*s1ap_message_decoded_callback)(
  uint32_t               assoc_id,
  uint32_t               stream,
  struct s1ap_message_s *message_p
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);
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/** \brief Encode a successfull outcome message
 \param buffer pointer to buffer in which data will be encoded
 \param length pointer to the length of buffer
 \param procedureCode Procedure code for the message
 \param criticality Criticality of the message
 \param td ASN1C type descriptor of the sptr
 \param sptr Deferenced pointer to the structure to encode
 @returns size in bytes encded on success or 0 on failure
 **/
ssize_t s1ap_generate_successfull_outcome(
  uint8_t               **buffer,
  uint32_t               *length,
  e_S1ap_ProcedureCode    procedureCode,
  S1ap_Criticality_t      criticality,
  asn_TYPE_descriptor_t  *td,
  void                   *sptr);
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/** \brief Encode an initiating message
 \param buffer pointer to buffer in which data will be encoded
 \param length pointer to the length of buffer
 \param procedureCode Procedure code for the message
 \param criticality Criticality of the message
 \param td ASN1C type descriptor of the sptr
 \param sptr Deferenced pointer to the structure to encode
 @returns size in bytes encded on success or 0 on failure
 **/
ssize_t s1ap_generate_initiating_message(
  uint8_t               **buffer,
  uint32_t               *length,
  e_S1ap_ProcedureCode    procedureCode,
  S1ap_Criticality_t      criticality,
  asn_TYPE_descriptor_t  *td,
  void                   *sptr);
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/** \brief Encode an unsuccessfull outcome message
 \param buffer pointer to buffer in which data will be encoded
 \param length pointer to the length of buffer
 \param procedureCode Procedure code for the message
 \param criticality Criticality of the message
 \param td ASN1C type descriptor of the sptr
 \param sptr Deferenced pointer to the structure to encode
 @returns size in bytes encded on success or 0 on failure
 **/
ssize_t s1ap_generate_unsuccessfull_outcome(
  uint8_t               **buffer,
  uint32_t               *length,
  e_S1ap_ProcedureCode    procedureCode,
  S1ap_Criticality_t      criticality,
  asn_TYPE_descriptor_t  *td,
  void                   *sptr);
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/** \brief Generate a new IE
 \param id Protocol ie id of the IE
 \param criticality Criticality of the IE
 \param type ASN1 type descriptor of the IE value
 \param sptr Structure to be encoded in the value field
 @returns a pointer to the newly created IE structure or NULL in case of failure
 **/
S1ap_IE_t *s1ap_new_ie(S1ap_ProtocolIE_ID_t   id,
                       S1ap_Criticality_t     criticality,
                       asn_TYPE_descriptor_t *type,
                       void                  *sptr);
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/** \brief Handle criticality
 \param criticality Criticality of the IE
 @returns void
 **/
void s1ap_handle_criticality(S1ap_Criticality_t criticality);
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#endif /* S1AP_COMMON_H_ */