blob: c1e2b0b47e8d2b7ef4e1b970939834c50f609216 [file] [log] [blame]
Matteo Scandolof9d43412021-01-12 11:11:34 -08001/*
2 * Copyright 2018-present Open Networking Foundation
3
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7
8 * http://www.apache.org/licenses/LICENSE-2.0
9
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package omci
18
19import (
20 "encoding/hex"
21 "errors"
22 "github.com/google/gopacket"
23 "github.com/opencord/omci-lib-go"
24 me "github.com/opencord/omci-lib-go/generated"
25 log "github.com/sirupsen/logrus"
26 "strconv"
27)
28
29func ParseCreateRequest(omciPkt gopacket.Packet) (*omci.CreateRequest, error) {
30 msgLayer := omciPkt.Layer(omci.LayerTypeCreateRequest)
31 if msgLayer == nil {
32 err := "omci Msg layer could not be detected for LayerTypeCreateRequest"
33 omciLogger.Error(err)
34 return nil, errors.New(err)
35 }
36 msgObj, msgOk := msgLayer.(*omci.CreateRequest)
37 if !msgOk {
38 err := "omci Msg layer could not be assigned for LayerTypeCreateRequest"
39 omciLogger.Error(err)
40 return nil, errors.New(err)
41 }
42 return msgObj, nil
43}
44
45func CreateCreateResponse(omciPkt gopacket.Packet, omciMsg *omci.OMCI) ([]byte, error) {
46
47 msgObj, err := ParseCreateRequest(omciPkt)
48
49 if err != nil {
50 return nil, err
51 }
52
53 omciLogger.WithFields(log.Fields{
54 "EntityClass": msgObj.EntityClass,
55 "EntityInstance": msgObj.EntityInstance,
Matteo Scandolo992a23e2021-02-04 15:35:04 -080056 }).Trace("received-omci-create-request")
Matteo Scandolof9d43412021-01-12 11:11:34 -080057
58 response := &omci.CreateResponse{
59 MeBasePacket: omci.MeBasePacket{
60 EntityClass: msgObj.EntityClass,
61 EntityInstance: msgObj.EntityInstance,
62 },
63 Result: me.Success,
64 }
65
Matteo Scandolo992a23e2021-02-04 15:35:04 -080066 pkt, err := Serialize(omci.CreateResponseType, response, omciMsg.TransactionID)
Matteo Scandolof9d43412021-01-12 11:11:34 -080067 if err != nil {
68 omciLogger.WithFields(log.Fields{
69 "Err": err,
Matteo Scandolo992a23e2021-02-04 15:35:04 -080070 }).Error("cannot-Serialize-CreateResponse")
Matteo Scandolof9d43412021-01-12 11:11:34 -080071 return nil, err
72 }
73
74 log.WithFields(log.Fields{
75 "TxID": strconv.FormatInt(int64(omciMsg.TransactionID), 16),
76 "pkt": hex.EncodeToString(pkt),
77 }).Trace("omci-create-response")
78
79 return pkt, nil
80}
81
82// methods used by BBR to drive the OMCI state machine
83
84func CreateGalEnetRequest(tid uint16) ([]byte, error) {
85 params := me.ParamData{
Matteo Scandolo9a1842d2021-02-08 16:00:17 -080086 EntityID: 1,
87 Attributes: me.AttributeValueMap{"MaximumGemPayloadSize": 48},
Matteo Scandolof9d43412021-01-12 11:11:34 -080088 }
89 meDef, _ := me.NewGalEthernetProfile(params)
90 pkt, err := omci.GenFrame(meDef, omci.CreateRequestType, omci.TransactionID(tid))
91 if err != nil {
92 omciLogger.WithField("err", err).Fatalf("Can't generate GalEnetRequest")
93 }
Matteo Scandolo992a23e2021-02-04 15:35:04 -080094 return HexEncode(pkt)
Matteo Scandolof9d43412021-01-12 11:11:34 -080095}
96
97func CreateEnableUniRequest(tid uint16, uniId uint16, enabled bool, isPtp bool) ([]byte, error) {
98
99 var _enabled uint8
100 if enabled {
101 _enabled = uint8(1)
102 } else {
103 _enabled = uint8(0)
104 }
105
106 data := me.ParamData{
107 EntityID: uniId,
108 Attributes: me.AttributeValueMap{
109 "AdministrativeState": _enabled,
110 },
111 }
112 var medef *me.ManagedEntity
113 var omciErr me.OmciErrors
114
115 if isPtp {
116 medef, omciErr = me.NewPhysicalPathTerminationPointEthernetUni(data)
117 } else {
118 medef, omciErr = me.NewVirtualEthernetInterfacePoint(data)
119 }
120 if omciErr != nil {
121 return nil, omciErr.GetError()
122 }
123 pkt, err := omci.GenFrame(medef, omci.SetRequestType, omci.TransactionID(tid))
124 if err != nil {
125 omciLogger.WithField("err", err).Fatalf("Can't generate EnableUniRequest")
126 }
Matteo Scandolo992a23e2021-02-04 15:35:04 -0800127 return HexEncode(pkt)
Matteo Scandolof9d43412021-01-12 11:11:34 -0800128}
129
130func CreateGemPortRequest(tid uint16) ([]byte, error) {
131 params := me.ParamData{
Matteo Scandolo9a1842d2021-02-08 16:00:17 -0800132 EntityID: 1,
Matteo Scandolof9d43412021-01-12 11:11:34 -0800133 Attributes: me.AttributeValueMap{
134 "PortId": 1,
135 "TContPointer": 1,
136 "Direction": 0,
137 "TrafficManagementPointerForUpstream": 0,
138 "TrafficDescriptorProfilePointerForUpstream": 0,
139 "UniCounter": 0,
140 "PriorityQueuePointerForDownStream": 0,
141 "EncryptionState": 0,
142 "TrafficDescriptorProfilePointerForDownstream": 0,
143 "EncryptionKeyRing": 0,
144 },
145 }
146 meDef, _ := me.NewGemPortNetworkCtp(params)
147 pkt, err := omci.GenFrame(meDef, omci.CreateRequestType, omci.TransactionID(tid))
148 if err != nil {
149 omciLogger.WithField("err", err).Fatalf("Can't generate GemPortRequest")
150 }
Matteo Scandolo992a23e2021-02-04 15:35:04 -0800151 return HexEncode(pkt)
Matteo Scandolof9d43412021-01-12 11:11:34 -0800152}