control/rcE2SmRc.go

   1 package control
   2
   3 /*
   4 #include <e2sm/wrapper.h>
   5 #cgo LDFLAGS: -le2smwrapper -lm
   6 #cgo CFLAGS: -I/usr/local/include/e2sm
   7 */
   8 import "C"
   9
  10 import (
  11         "errors"
  12         "gerrit.o-ran-sc.org/r/ric-plt/xapp-frame/pkg/xapp"
  13         "unsafe"
  14         _ "log"
  15         _"encoding/binary"
  16         "encoding/hex"
  17         "strings"
  18         "strconv"
  19 )
  20
  21 type E2sm struct {
  22 }
  23
  24 func (c *E2sm) SetRicControlHeader(buffer []byte, ueIdData *UEid, ricControlStyleType int64, ricControlActionID int64) (newBuffer []byte, err error) {
  25
  26         xapp.Logger.Info("SetRicControlHeader Enter \n")
  27         cptr := unsafe.Pointer(&buffer[0])
  28         //cptr_ueIDbuf := unsafe.Pointer(&ueIDbuf[0])
  29
  30         lplmnIdBuf := strings.Join(strings.Fields(ueIdData.pLMNIdentitybuf), "")
  31         lIntvar, _ := strconv.Atoi(lplmnIdBuf)
  32         xapp.Logger.Info("lIntvar = %d\n", lIntvar)
  33
  34         lIntegerByte := ConverIntegerToByte(lIntvar)
  35         //ml.MavLog(ml.INFO, lTransId, " lIntegerByte = %v\n", lIntegerByte)
  36         xapp.Logger.Info(" lIntegerByte = %v\n", lIntegerByte)
  37         lOutByte := get_bytepack_plmnId(lIntegerByte)
  38         xapp.Logger.Info("lOutByte Len:%d\n", len(lOutByte))
  39         xapp.Logger.Info("lOutByte = %02X\n", lOutByte)
  40         cptrRanParameterValue := unsafe.Pointer(&lOutByte[0])
  41
  42
  43                 pLMNIdentity := C.CString(ueIdData.pLMNIdentitybuf)
  44         defer C.free(unsafe.Pointer(pLMNIdentity))
  45                 pLMNIdentity_size := C.size_t(len(ueIdData.pLMNIdentitybuf))
  46                 aMFRegionID := C.CString(ueIdData.aMFRegionIDbuf)
  47         defer C.free(unsafe.Pointer(aMFRegionID))
  48                 aMFSetID := C.CString(ueIdData.aMFSetIDbuf)
  49         defer C.free(unsafe.Pointer(aMFSetID))
  50                 aMFPointer := C.CString(ueIdData.aMFPointerbuf)
  51         defer C.free(unsafe.Pointer(aMFPointer))
  52
  53         uEID_C := C.struct_uEID{
  54                 amf_UE_NGAP_Id: C.long(ueIdData.amf_UE_NGAP_Id),
  55                 pLMNIdentity : pLMNIdentity,
  56                 pLMNIdentity_size : pLMNIdentity_size,
  57                 aMFRegionID : aMFRegionID,
  58                 aMFRegionID_size : 1, //AMFRegionID ::= BIT STRING (SIZE(8))
  59                 aMFSetID : aMFSetID,
  60                 aMFSetID_size: 2, //BIT STRING (SIZE(10))
  61                 aMFPointer : aMFPointer,
  62                 aMFPointer_size : 1,  //BIT STRING (SIZE(6))
  63         }
  64
  65         xapp.Logger.Debug("uEID_C amf_UE_NGAP_Id  = %l",uEID_C.amf_UE_NGAP_Id)
  66         xapp.Logger.Debug("uEID_C pLMNIdentity = %s",uEID_C.pLMNIdentity)
  67         xapp.Logger.Debug("uEID_C aMFRegionID %s = ",uEID_C.aMFRegionID)
  68         xapp.Logger.Debug("uEID_C aMFSetID  %s = ",uEID_C.aMFSetID)
  69         xapp.Logger.Debug("uEID_C aMFPointer %s = ",uEID_C.aMFPointer)
  70
  71         size := C.e2sm_encode_ric_control_header(cptr, C.size_t(len(buffer)),&uEID_C ,(*C.long)(&ueIdData.F1AP_id[0]),C.size_t(len(ueIdData.F1AP_id)),(*C.long)(&ueIdData.E1AP_id[0]),C.size_t(len(ueIdData.E1AP_id)),(C.long)(ricControlStyleType), (C.long)(ricControlActionID), cptrRanParameterValue,C.size_t(len(lOutByte)))
  72
  73         //size := C.e2sm_encode_ric_control_header(cptr, C.size_t(len(buffer)),&uEID_C ,(*C.long)(&ueIdData.F1AP_id[0]),(*C.long)(&ueIdData.E1AP_id[0]),(C.long)(ricControlStyleType), (C.long)(ricControlActionID))
  74
  75         if size < 0 {
  76                 return make([]byte, 0), errors.New("e2sm wrapper is unable to set EventTriggerDefinition due to wrong or invalid input")
  77         }
  78         newBuffer = C.GoBytes(cptr, (C.int(size)+7)/8)
  79         xapp.Logger.Info("E2sm SetRicControlHeader is success")
  80         return
  81 }
  82
  83 func (c *E2sm) SetRicControlMessage(buffer []byte, targetPrimaryCell int64, targetCell int64, nrCGIOrECGI int64, nrOrEUtraCell int64, ranParameterValue []byte) (newBuffer []byte, err error) {
  84
  85         xapp.Logger.Info("SetRicControlMessagei Enter  ")
  86
  87         cptr := unsafe.Pointer(&buffer[0])
  88         cptrRanParameterValue := unsafe.Pointer(&ranParameterValue[0])
  89
  90         /*
  91         lIntvar, _ := strconv.Atoi(string(ranParameterValue))
  92         xapp.Logger.Info("lIntvar %d\n", lIntvar)
  93         lIntegerByte := ConverIntegerToByte(lIntvar)
  94         xapp.Logger.Info("lIntegerByte %v\n", lIntegerByte)
  95         lOutByte := get_bytepack_plmnId(lIntegerByte)
  96         xapp.Logger.Info("lOutByte Len:%d\n", len(lOutByte))
  97         xapp.Logger.Info("lOutByte %02X\n", lOutByte)
  98         cptrRanParameterValue := unsafe.Pointer(&lOutByte[0])
  99         xapp.Logger.Info("cptrRanParameterValue = %v\n ", cptrRanParameterValue)
 100         */
 101
 102         size := C.e2sm_encode_ric_control_message(cptr, C.size_t(len(buffer)), C.long(targetPrimaryCell),
 103                 C.long(targetCell), C.long(nrOrEUtraCell), C.long(nrCGIOrECGI), cptrRanParameterValue, C.size_t(len(ranParameterValue)))
 104
 105         if size < 0 {
 106                 return make([]byte, 0), errors.New("e2sm wrapper is unable to set RicControlMessage due to wrong or invalid input")
 107         }
 108         newBuffer = C.GoBytes(cptr, (C.int(size)+7)/8) //TOCHECK: if C.int(size) is returning bits not bytes to get correct size of the buffer.
 109         xapp.Logger.Info("E2sm SetRicControlMessage is success")
 110         return
 111 }
 112
 113 func (c *E2sm) GetControlOutcome(buffer []byte) (controlOutcome *ControlOutcomeMsg, err error) {
 114         cptr := unsafe.Pointer(&buffer[0])
 115         controlOutcome = &ControlOutcomeMsg{}
 116         //lTransId := gTransIdDefVal
 117         //ml.MavLog(ml.INFO, lTransId, "Decode Control Outcome: ")
 118         xapp.Logger.Info("Decode Control Outcome: ")
 119         decodedMsg := C.e2sm_decode_ric_call_process_outcome(cptr, C.size_t(len(buffer)))
 120         if decodedMsg == nil {
 121                 return controlOutcome, errors.New("e2sm wrapper is unable to get ControlOutcome due to wrong or invalid input")
 122         }
 123         defer C.e2sm_free_ric_call_process_outcome(decodedMsg)
 124         //ml.MavLog(ml.INFO, lTransId, "Decoded Control Outcome: ")
 125         controlOutcome.ControlOutcomeType = int32(decodedMsg.ric_controlOutcome_formats.present)
 126         if controlOutcome.ControlOutcomeType == 1 {
 127                 controlOutcome := &ControlOutcomeFormat1{}
 128                 controlOutcomeFormat1_C := *(**C.E2SM_RC_ControlOutcome_Format1_t)(unsafe.Pointer(&decodedMsg.ric_controlOutcome_formats.choice[0]))
 129                 controlOutcome.ControlOutcomeFormat1ItemCount = int(controlOutcomeFormat1_C.ranP_List.list.count)
 130                 controlOutcome.ControlOutcomeFormat1Item = make([]ControlOutcomeFormat1ItemType, controlOutcome.ControlOutcomeFormat1ItemCount +1)
 131                 //ml.MavLog(ml.INFO, lTransId, "RIC Control Outcome  Format1 Item Count = %d ", controlOutcome.ControlOutcomeFormat1ItemCount)
 132                 for i := 0; i < controlOutcome.ControlOutcomeFormat1ItemCount; i++ {
 133                         ControlOutcomeFormat1Item :=  &controlOutcome.ControlOutcomeFormat1Item[i]
 134                         var sizeof_E2SM_RC_ControlOutcome_Format1_Item_t *C.E2SM_RC_ControlOutcome_Format1_Item_t
 135                         ControlOutcomeFormat1Item_C :=  *(*(**C.E2SM_RC_ControlOutcome_Format1_Item_t)(unsafe.Pointer(uintptr(unsafe.Pointer(controlOutcomeFormat1_C.ranP_List.list.array)) + (uintptr)(i)*unsafe.Sizeof(sizeof_E2SM_RC_ControlOutcome_Format1_Item_t))))
 136                         ControlOutcomeFormat1Item.RanParameterID = int64(ControlOutcomeFormat1Item_C.ranParameter_ID)
 137                         ControlOutcomeFormat1Item.RANParameterValueType = int(ControlOutcomeFormat1Item_C.ranParameter_value.present)
 138                         ranParameterValue_C := (C.RANParameter_Value_t)(ControlOutcomeFormat1Item_C.ranParameter_value)
 139                         if ControlOutcomeFormat1Item.RANParameterValueType == 5 {
 140                                 //ml.MavLog(ml.INFO, lTransId, "RANParameterValueType  is RANParameter_Value_PR_valueOctS")
 141                                 ranParameterValue := &OctetString{}
 142                                 ranParameter_C := (*C.OCTET_STRING_t)(unsafe.Pointer(&ranParameterValue_C.choice[0]))
 143                                 ranParameterValue.Size = int(ranParameter_C.size)
 144                                 ranParameterValue.Buf = C.GoBytes(unsafe.Pointer(ranParameter_C.buf), C.int(ranParameter_C.size))
 145                                 ControlOutcomeFormat1Item.RANParameterValue = ranParameterValue
 146                                 //ml.MavLog(ml.INFO, lTransId, "RANParameterValue = ", ControlOutcomeFormat1Item.RANParameterValue)
 147                         }
 148                 }
 149         } else {
 150                 return controlOutcome, errors.New("Unknown RIC Control Outcome type")
 151         }
 152         return controlOutcome , err
 153 }
 154
 155 func (c *E2sm) get_plmn_from_mcc_mnc(plmnIdBuf []byte)(bytePackedPlmnId []uint8) {
 156         //lTransId := gTransIdDefVal
 157         hexResp, _ := hex.DecodeString(string(plmnIdBuf))
 158         //ml.MavLog(ml.INFO, lTransId, "get_plmn_from_mcc_mnc plmnIdBuf and hexResp = ", plmnIdBuf,hexResp)
 159         var mcc []uint8 = make([]uint8, 3)
 160         var mnc []uint8 = make([]uint8, 3)
 161
 162         mcc[0] = hexResp[0] >> 4
 163         mcc[1] = hexResp[0] & 0xf
 164         mcc[2] = hexResp[1] >> 4
 165         mnc[0] = hexResp[1] & 0xf
 166         mnc[1] = hexResp[2] >> 4
 167         mnc[2] = hexResp[2] & 0xf
 168
 169         var tmpPlmnId []uint8 = make([]uint8, 6)
 170         tmpPlmnId[0] = mcc[0]
 171         tmpPlmnId[1] =  mcc[1]
 172         tmpPlmnId[2] =  mcc[2]
 173       if len(mcc) == 2 {
 174                 tmpPlmnId[3] = 0x0f
 175                 tmpPlmnId[4] = mnc[0]
 176                 tmpPlmnId[5] = mnc[1]
 177         } else {
 178                 tmpPlmnId[3] = mnc[0]
 179                 tmpPlmnId[4] = mnc[1]
 180                 tmpPlmnId[5] = mnc[2]
 181         }
 182         //ml.MavLog(ml.INFO, lTransId, "\n tmpPlmnId " , tmpPlmnId)
 183         bytePackedPlmnId = make([]uint8,3)
 184         bytePackedPlmnId[0] = ((tmpPlmnId[1] & 0x0F) << 4) | (tmpPlmnId[0] & 0x0F)
 185         bytePackedPlmnId[1] = ((tmpPlmnId[3] & 0x0F) << 4) | (tmpPlmnId[2] & 0x0F)
 186         bytePackedPlmnId[2] = ((tmpPlmnId[5] & 0x0F) << 4) | (tmpPlmnId[4] & 0x0F)
 187         //ml.MavLog(ml.INFO, lTransId, "\n bytePackedPlmnId " , bytePackedPlmnId)
 188         return
 189 }
 190