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 package e2pdus
  19
  20 // #cgo CFLAGS: -I../asn1codec/inc/  -I../asn1codec/e2ap_engine/
  21 // #cgo LDFLAGS: -L ../asn1codec/lib/ -L../asn1codec/e2ap_engine/ -le2ap_codec -lasncodec
  22 // #include <configuration_update_wrapper.h>
  23 import "C"
  24 import (
  25         "fmt"
  26         "unsafe"
  27 )
  28
  29 var PackedEndcConfigurationUpdateFailure []byte
  30 var PackedEndcConfigurationUpdateAck []byte
  31 var PackedX2EnbConfigurationUpdateFailure []byte
  32 var PackedX2EnbConfigurationUpdateAck []byte
  33
  34 func prepareEndcConfigurationUpdateFailurePDU(maxAsn1PackedBufferSize int, maxAsn1CodecMessageBufferSize int) error {
  35
  36         packedBuffer := make([]C.uchar, maxAsn1PackedBufferSize)
  37         errorBuffer := make([]C.char, maxAsn1CodecMessageBufferSize)
  38         var payloadSize = C.ulong(maxAsn1PackedBufferSize)
  39
  40         if status := C.build_pack_endc_configuration_update_failure(&payloadSize, &packedBuffer[0], C.ulong(maxAsn1CodecMessageBufferSize), &errorBuffer[0]); !status {
  41                 return fmt.Errorf("#configuration_update.prepareEndcConfigurationUpdateFailurePDU - failed to build and pack the endc configuration update failure message %s ", C.GoString(&errorBuffer[0]))
  42
  43         }
  44         PackedEndcConfigurationUpdateFailure = C.GoBytes(unsafe.Pointer(&packedBuffer[0]), C.int(payloadSize))
  45
  46         return nil
  47 }
  48
  49 func prepareX2EnbConfigurationUpdateFailurePDU(maxAsn1PackedBufferSize int, maxAsn1CodecMessageBufferSize int) error {
  50
  51         packedBuffer := make([]C.uchar, maxAsn1PackedBufferSize)
  52         errorBuffer := make([]C.char, maxAsn1CodecMessageBufferSize)
  53         var payloadSize = C.ulong(maxAsn1PackedBufferSize)
  54
  55         if status := C.build_pack_x2enb_configuration_update_failure(&payloadSize, &packedBuffer[0], C.ulong(maxAsn1CodecMessageBufferSize), &errorBuffer[0]); !status {
  56                 return fmt.Errorf("#configuration_update.prepareX2EnbConfigurationUpdateFailurePDU - failed to build and pack the x2 configuration update failure message %s ", C.GoString(&errorBuffer[0]))
  57
  58         }
  59         PackedX2EnbConfigurationUpdateFailure = C.GoBytes(unsafe.Pointer(&packedBuffer[0]), C.int(payloadSize))
  60
  61         return nil
  62 }
  63
  64 func prepareEndcConfigurationUpdateAckPDU(maxAsn1PackedBufferSize int, maxAsn1CodecMessageBufferSize int) error {
  65
  66         packedBuffer := make([]C.uchar, maxAsn1PackedBufferSize)
  67         errorBuffer := make([]C.char, maxAsn1CodecMessageBufferSize)
  68         var payloadSize = C.ulong(maxAsn1PackedBufferSize)
  69
  70         if status := C.build_pack_endc_configuration_update_ack(&payloadSize, &packedBuffer[0], C.ulong(maxAsn1CodecMessageBufferSize), &errorBuffer[0]); !status {
  71                 return fmt.Errorf("#configuration_update.prepareEndcConfigurationUpdateAckPDU - failed to build and pack the endc configuration update ack message %s ", C.GoString(&errorBuffer[0]))
  72
  73         }
  74         PackedEndcConfigurationUpdateAck = C.GoBytes(unsafe.Pointer(&packedBuffer[0]), C.int(payloadSize))
  75
  76         return nil
  77 }
  78
  79 func prepareX2EnbConfigurationUpdateAckPDU(maxAsn1PackedBufferSize int, maxAsn1CodecMessageBufferSize int) error {
  80
  81         packedBuffer := make([]C.uchar, maxAsn1PackedBufferSize)
  82         errorBuffer := make([]C.char, maxAsn1CodecMessageBufferSize)
  83         var payloadSize = C.ulong(maxAsn1PackedBufferSize)
  84
  85         if status := C.build_pack_x2enb_configuration_update_ack(&payloadSize, &packedBuffer[0], C.ulong(maxAsn1CodecMessageBufferSize), &errorBuffer[0]); !status {
  86                 return fmt.Errorf("#configuration_update.prepareX2EnbConfigurationUpdateAckPDU - failed to build and pack the x2 configuration update ack message %s ", C.GoString(&errorBuffer[0]))
  87
  88         }
  89         PackedX2EnbConfigurationUpdateAck = C.GoBytes(unsafe.Pointer(&packedBuffer[0]), C.int(payloadSize))
  90
  91         return nil
  92 }
  93
  94 func init() {
  95         if err := prepareEndcConfigurationUpdateFailurePDU(MaxAsn1PackedBufferSize, MaxAsn1CodecMessageBufferSize); err != nil {
  96                 panic(err)
  97         }
  98         if err := prepareEndcConfigurationUpdateAckPDU(MaxAsn1PackedBufferSize, MaxAsn1CodecMessageBufferSize); err != nil {
  99                 panic(err)
 100         }
 101         if err := prepareX2EnbConfigurationUpdateFailurePDU(MaxAsn1PackedBufferSize, MaxAsn1CodecMessageBufferSize); err != nil {
 102                 panic(err)
 103         }
 104         if err := prepareX2EnbConfigurationUpdateAckPDU(MaxAsn1PackedBufferSize, MaxAsn1CodecMessageBufferSize); err != nil {
 105                 panic(err)
 106         }
 107 }