E2Manager/e2pdus/configuration_update.go

   1 /*******************************************************************************
   2  *
   3  *   Copyright (c) 2019 AT&T Intellectual Property.
   4  *
   5  *   Licensed under the Apache License, Version 2.0 (the "License");
   6  *   you may not use this file except in compliance with the License.
   7  *   You may obtain a copy of the License at
   8  *
   9  *       http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  *   Unless required by applicable law or agreed to in writing, software
  12  *   distributed under the License is distributed on an "AS IS" BASIS,
  13  *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  *   See the License for the specific language governing permissions and
  15  *   limitations under the License.
  16  *
  17  *******************************************************************************/
  18
  19 /*
  20 * This source code is part of the near-RT RIC (RAN Intelligent Controller)
  21 * platform project (RICP).
  22 */
  23
  24 package e2pdus
  25
  26 // #cgo CFLAGS: -I../asn1codec/inc/  -I../asn1codec/e2ap_engine/
  27 // #cgo LDFLAGS: -L ../asn1codec/lib/ -L../asn1codec/e2ap_engine/ -le2ap_codec -lasncodec
  28 // #include <configuration_update_wrapper.h>
  29 import "C"
  30 import (
  31         "fmt"
  32         "unsafe"
  33 )
  34
  35 var PackedEndcConfigurationUpdateFailure []byte
  36 var PackedEndcConfigurationUpdateAck []byte
  37 var PackedX2EnbConfigurationUpdateFailure []byte
  38 var PackedX2EnbConfigurationUpdateAck []byte
  39
  40 func prepareEndcConfigurationUpdateFailurePDU(maxAsn1PackedBufferSize int, maxAsn1CodecMessageBufferSize int) error {
  41
  42         packedBuffer := make([]C.uchar, maxAsn1PackedBufferSize)
  43         errorBuffer := make([]C.char, maxAsn1CodecMessageBufferSize)
  44         var payloadSize = C.ulong(maxAsn1PackedBufferSize)
  45
  46         if status := C.build_pack_endc_configuration_update_failure(&payloadSize, &packedBuffer[0], C.ulong(maxAsn1CodecMessageBufferSize), &errorBuffer[0]); !status {
  47                 return fmt.Errorf("#configuration_update.prepareEndcConfigurationUpdateFailurePDU - failed to build and pack the endc configuration update failure message %s ", C.GoString(&errorBuffer[0]))
  48
  49         }
  50         PackedEndcConfigurationUpdateFailure = C.GoBytes(unsafe.Pointer(&packedBuffer[0]), C.int(payloadSize))
  51
  52         return nil
  53 }
  54
  55 func prepareX2EnbConfigurationUpdateFailurePDU(maxAsn1PackedBufferSize int, maxAsn1CodecMessageBufferSize int) error {
  56
  57         packedBuffer := make([]C.uchar, maxAsn1PackedBufferSize)
  58         errorBuffer := make([]C.char, maxAsn1CodecMessageBufferSize)
  59         var payloadSize = C.ulong(maxAsn1PackedBufferSize)
  60
  61         if status := C.build_pack_x2enb_configuration_update_failure(&payloadSize, &packedBuffer[0], C.ulong(maxAsn1CodecMessageBufferSize), &errorBuffer[0]); !status {
  62                 return fmt.Errorf("#configuration_update.prepareX2EnbConfigurationUpdateFailurePDU - failed to build and pack the x2 configuration update failure message %s ", C.GoString(&errorBuffer[0]))
  63
  64         }
  65         PackedX2EnbConfigurationUpdateFailure = C.GoBytes(unsafe.Pointer(&packedBuffer[0]), C.int(payloadSize))
  66
  67         return nil
  68 }
  69
  70 func prepareEndcConfigurationUpdateAckPDU(maxAsn1PackedBufferSize int, maxAsn1CodecMessageBufferSize int) error {
  71
  72         packedBuffer := make([]C.uchar, maxAsn1PackedBufferSize)
  73         errorBuffer := make([]C.char, maxAsn1CodecMessageBufferSize)
  74         var payloadSize = C.ulong(maxAsn1PackedBufferSize)
  75
  76         if status := C.build_pack_endc_configuration_update_ack(&payloadSize, &packedBuffer[0], C.ulong(maxAsn1CodecMessageBufferSize), &errorBuffer[0]); !status {
  77                 return fmt.Errorf("#configuration_update.prepareEndcConfigurationUpdateAckPDU - failed to build and pack the endc configuration update ack message %s ", C.GoString(&errorBuffer[0]))
  78
  79         }
  80         PackedEndcConfigurationUpdateAck = C.GoBytes(unsafe.Pointer(&packedBuffer[0]), C.int(payloadSize))
  81
  82         return nil
  83 }
  84
  85 func prepareX2EnbConfigurationUpdateAckPDU(maxAsn1PackedBufferSize int, maxAsn1CodecMessageBufferSize int) error {
  86
  87         packedBuffer := make([]C.uchar, maxAsn1PackedBufferSize)
  88         errorBuffer := make([]C.char, maxAsn1CodecMessageBufferSize)
  89         var payloadSize = C.ulong(maxAsn1PackedBufferSize)
  90
  91         if status := C.build_pack_x2enb_configuration_update_ack(&payloadSize, &packedBuffer[0], C.ulong(maxAsn1CodecMessageBufferSize), &errorBuffer[0]); !status {
  92                 return fmt.Errorf("#configuration_update.prepareX2EnbConfigurationUpdateAckPDU - failed to build and pack the x2 configuration update ack message %s ", C.GoString(&errorBuffer[0]))
  93
  94         }
  95         PackedX2EnbConfigurationUpdateAck = C.GoBytes(unsafe.Pointer(&packedBuffer[0]), C.int(payloadSize))
  96
  97         return nil
  98 }
  99
 100 func init() {
 101         if err := prepareEndcConfigurationUpdateFailurePDU(MaxAsn1PackedBufferSize, MaxAsn1CodecMessageBufferSize); err != nil {
 102                 panic(err)
 103         }
 104         if err := prepareEndcConfigurationUpdateAckPDU(MaxAsn1PackedBufferSize, MaxAsn1CodecMessageBufferSize); err != nil {
 105                 panic(err)
 106         }
 107         if err := prepareX2EnbConfigurationUpdateFailurePDU(MaxAsn1PackedBufferSize, MaxAsn1CodecMessageBufferSize); err != nil {
 108                 panic(err)
 109         }
 110         if err := prepareX2EnbConfigurationUpdateAckPDU(MaxAsn1PackedBufferSize, MaxAsn1CodecMessageBufferSize); err != nil {
 111                 panic(err)
 112         }
 113 }