[RICPLT-2523] Add SelectE2TInstance mechanism | Change Setup flow | Refactor code...
[ric-plt/e2mgr.git] / 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 }