model/kpm-function-description.cc

   1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
   2 /*
   3  * Copyright (c) 2022 Northeastern University
   4  * Copyright (c) 2022 Sapienza, University of Rome
   5  * Copyright (c) 2022 University of Padova
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation;
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  * Author: Andrea Lacava <thecave003@gmail.com>
  21  *                 Tommaso Zugno <tommasozugno@gmail.com>
  22  *                 Michele Polese <michele.polese@gmail.com>
  23  */
  24
  25 #include <ns3/kpm-function-description.h>
  26 #include <ns3/asn1c-types.h>
  27 #include <ns3/log.h>
  28
  29 extern "C" {
  30 #include "RIC-EventTriggerStyle-Item.h"
  31 #include "RIC-ReportStyle-Item.h"
  32 }
  33
  34 namespace ns3 {
  35
  36 NS_LOG_COMPONENT_DEFINE ("KpmFunctionDescription");
  37
  38 KpmFunctionDescription::KpmFunctionDescription ()
  39 {
  40   E2SM_KPM_RANfunction_Description_t *descriptor = new E2SM_KPM_RANfunction_Description_t ();
  41   FillAndEncodeKpmFunctionDescription (descriptor);
  42   ASN_STRUCT_FREE_CONTENTS_ONLY (asn_DEF_E2SM_KPM_RANfunction_Description, descriptor);
  43   delete descriptor;
  44 }
  45
  46 KpmFunctionDescription::~KpmFunctionDescription ()
  47 {
  48   free (m_buffer);
  49   m_size = 0;
  50 }
  51
  52 void
  53 KpmFunctionDescription::Encode (E2SM_KPM_RANfunction_Description_t *descriptor)
  54 {
  55   asn_codec_ctx_t *opt_cod = 0; // disable stack bounds checking
  56   // encode the structure into the e2smbuffer
  57   asn_encode_to_new_buffer_result_s encodedMsg = asn_encode_to_new_buffer (
  58       opt_cod, ATS_ALIGNED_BASIC_PER, &asn_DEF_E2SM_KPM_RANfunction_Description, descriptor);
  59
  60   if (encodedMsg.result.encoded < 0)
  61     {
  62       NS_FATAL_ERROR ("Error during the encoding of the RIC Indication Header, errno: "
  63                       << strerror (errno) << ", failed_type " << encodedMsg.result.failed_type->name
  64                       << ", structure_ptr " << encodedMsg.result.structure_ptr);
  65     }
  66
  67   m_buffer = encodedMsg.buffer;
  68   m_size = encodedMsg.result.encoded;
  69 }
  70
  71 void
  72 KpmFunctionDescription::FillAndEncodeKpmFunctionDescription (
  73     E2SM_KPM_RANfunction_Description_t *ranfunc_desc)
  74 {
  75   std::string shortNameBuffer = "ORAN-WG3-KPM";
  76   uint8_t *descriptionBuffer = (uint8_t *) "KPM monitor";
  77   uint8_t *oidBuffer = (uint8_t *) "OID123"; // this is optional, dummy value
  78
  79   Ptr<OctetString> shortName = Create<OctetString> (shortNameBuffer, shortNameBuffer.size ());
  80
  81   ranfunc_desc->ranFunction_Name.ranFunction_ShortName = shortName->GetValue ();
  82
  83   long *inst = (long *) calloc (1, sizeof (long));
  84
  85   //  ranfunc_desc->ranFunction_Name.ranFunction_Description = (OCTET_STRING_t*)calloc(1, sizeof(OCTET_STRING_t));
  86   ranfunc_desc->ranFunction_Name.ranFunction_Description.buf =
  87       (uint8_t *) calloc (1, strlen ((char *) descriptionBuffer));
  88   memcpy (ranfunc_desc->ranFunction_Name.ranFunction_Description.buf, descriptionBuffer,
  89           strlen ((char *) descriptionBuffer));
  90   ranfunc_desc->ranFunction_Name.ranFunction_Description.size = strlen ((char *) descriptionBuffer);
  91   ranfunc_desc->ranFunction_Name.ranFunction_Instance = inst;
  92
  93   //  ranfunc_desc->ranFunction_Name.ranFunction_E2SM_OID = (OCTET_STRING_t*)calloc(1, sizeof(OCTET_STRING_t));
  94   ranfunc_desc->ranFunction_Name.ranFunction_E2SM_OID.buf =
  95       (uint8_t *) calloc (1, strlen ((char *) oidBuffer));
  96   memcpy (ranfunc_desc->ranFunction_Name.ranFunction_E2SM_OID.buf, oidBuffer,
  97           strlen ((char *) oidBuffer));
  98   ranfunc_desc->ranFunction_Name.ranFunction_E2SM_OID.size = strlen ((char *) oidBuffer);
  99
 100   RIC_EventTriggerStyle_Item_t *trigger_style =
 101       (RIC_EventTriggerStyle_Item_t *) calloc (1, sizeof (RIC_EventTriggerStyle_Item_t));
 102   trigger_style->ric_EventTriggerStyle_Type = 1;
 103   uint8_t *eventTriggerStyleNameBuffer = (uint8_t *) "Periodic report";
 104   //  trigger_style->ric_EventTriggerStyle_Name = (OCTET_STRING_t*)calloc(1, sizeof(OCTET_STRING_t));
 105   trigger_style->ric_EventTriggerStyle_Name.buf =
 106       (uint8_t *) calloc (1, strlen ((char *) eventTriggerStyleNameBuffer));
 107   memcpy (trigger_style->ric_EventTriggerStyle_Name.buf, eventTriggerStyleNameBuffer,
 108           strlen ((char *) eventTriggerStyleNameBuffer));
 109   trigger_style->ric_EventTriggerStyle_Name.size = strlen ((char *) eventTriggerStyleNameBuffer);
 110   trigger_style->ric_EventTriggerFormat_Type = 1;
 111
 112   ranfunc_desc->ric_EventTriggerStyle_List =
 113       (E2SM_KPM_RANfunction_Description::
 114            E2SM_KPM_RANfunction_Description__ric_EventTriggerStyle_List *)
 115           calloc (1, sizeof (E2SM_KPM_RANfunction_Description::
 116                                  E2SM_KPM_RANfunction_Description__ric_EventTriggerStyle_List));
 117
 118   ASN_SEQUENCE_ADD (&ranfunc_desc->ric_EventTriggerStyle_List->list, trigger_style);
 119
 120   RIC_ReportStyle_Item_t *report_style1 =
 121       (RIC_ReportStyle_Item_t *) calloc (1, sizeof (RIC_ReportStyle_Item_t));
 122   report_style1->ric_ReportStyle_Type = 1;
 123
 124   uint8_t *reportStyleNameBuffer =
 125       (uint8_t *) "O-CU-CP Measurement Container for the EPC connected deployment";
 126
 127   //  report_style1->ric_ReportStyle_Name = (OCTET_STRING_t*)calloc(1, sizeof(OCTET_STRING_t));
 128   report_style1->ric_ReportStyle_Name.buf =
 129       (uint8_t *) calloc (1, strlen ((char *) reportStyleNameBuffer));
 130   memcpy (report_style1->ric_ReportStyle_Name.buf, reportStyleNameBuffer,
 131           strlen ((char *) reportStyleNameBuffer));
 132   report_style1->ric_ReportStyle_Name.size = strlen ((char *) reportStyleNameBuffer);
 133   report_style1->ric_ReportIndicationHeaderFormat_Type = 1;
 134   report_style1->ric_ReportIndicationMessageFormat_Type = 1;
 135   ranfunc_desc->ric_ReportStyle_List =
 136       (E2SM_KPM_RANfunction_Description::E2SM_KPM_RANfunction_Description__ric_ReportStyle_List *)
 137           calloc (1, sizeof (E2SM_KPM_RANfunction_Description::
 138                                  E2SM_KPM_RANfunction_Description__ric_ReportStyle_List));
 139
 140   ASN_SEQUENCE_ADD (&ranfunc_desc->ric_ReportStyle_List->list, report_style1);
 141
 142   Encode (ranfunc_desc);
 143
 144   NS_LOG_INFO (xer_fprint (stderr, &asn_DEF_E2SM_KPM_RANfunction_Description, ranfunc_desc));
 145 }
 146
 147 } // namespace ns3