| /* |
| * Copyright 2018-present Open Networking Foundation |
| |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package core |
| |
| import ( |
| "bytes" |
| "encoding/binary" |
| "errors" |
| "fmt" |
| log "github.com/sirupsen/logrus" |
| ) |
| |
| // OMCI Sim definitions |
| |
| type ChMessageType int |
| |
| const ( |
| GemPortAdded ChMessageType = iota |
| ) |
| |
| func (m ChMessageType) String() string { |
| names := [...]string{ |
| "GemPortAdded", |
| } |
| return names[m] |
| } |
| |
| type OmciChMessageData struct { |
| IntfId uint32 |
| OnuId uint32 |
| } |
| |
| type OmciChMessage struct { |
| Type ChMessageType |
| Data OmciChMessageData |
| } |
| |
| // |
| // OMCI definitions |
| // |
| |
| // OmciMsgType represents a OMCI message-type |
| type OmciMsgType byte |
| |
| func (t OmciMsgType) PrettyPrint() string { |
| switch t { |
| case Create: |
| return "Create" |
| case Delete: |
| return "Delete" |
| case Set: |
| return "Set" |
| case Get: |
| return "Get" |
| case GetAllAlarms: |
| return "GetAllAlarms" |
| case GetAllAlarmsNext: |
| return "GetAllAlarmsNext" |
| case MibUpload: |
| return "MibUpload" |
| case MibUploadNext: |
| return "MibUploadNext" |
| case MibReset: |
| return "MibReset" |
| case AlarmNotification: |
| return "AlarmNotification" |
| case AttributeValueChange: |
| return "AttributeValueChange" |
| case Test: |
| return "Test" |
| case StartSoftwareDownload: |
| return "StartSoftwareDownload" |
| case DownloadSection: |
| return "DownloadSection" |
| case EndSoftwareDownload: |
| return "EndSoftwareDownload" |
| case ActivateSoftware: |
| return "ActivateSoftware" |
| case CommitSoftware: |
| return "CommitSoftware" |
| case SynchronizeTime: |
| return "SynchronizeTime" |
| case Reboot: |
| return "Reboot" |
| case GetNext: |
| return "GetNext" |
| case TestResult: |
| return "TestResult" |
| case GetCurrentData: |
| return "GetCurrentData" |
| case SetTable: |
| return "SetTable" |
| default: |
| // FIXME |
| // msg="Cant't convert state 68 to string" |
| // msg="Cant't convert state 72 to string" |
| // msg="Cant't convert state 73 to string" |
| // msg="Cant't convert state 75 to string" |
| // msg="Cant't convert state 76 to string" |
| // msg="Cant't convert state 77 to string" |
| // msg="Cant't convert state 78 to string" |
| // msg="Cant't convert state 79 to string" |
| // msg="Cant't convert state 88 to string" |
| |
| log.Tracef("Cant't convert OmciMsgType %v to string", t) |
| return string(t) |
| } |
| } |
| |
| const ( |
| // Message Types |
| _ = iota |
| Create OmciMsgType = 4 |
| Delete OmciMsgType = 6 |
| Set OmciMsgType = 8 |
| Get OmciMsgType = 9 |
| GetAllAlarms OmciMsgType = 11 |
| GetAllAlarmsNext OmciMsgType = 12 |
| MibUpload OmciMsgType = 13 |
| MibUploadNext OmciMsgType = 14 |
| MibReset OmciMsgType = 15 |
| AlarmNotification OmciMsgType = 16 |
| AttributeValueChange OmciMsgType = 17 |
| Test OmciMsgType = 18 |
| StartSoftwareDownload OmciMsgType = 19 |
| DownloadSection OmciMsgType = 20 |
| EndSoftwareDownload OmciMsgType = 21 |
| ActivateSoftware OmciMsgType = 22 |
| CommitSoftware OmciMsgType = 23 |
| SynchronizeTime OmciMsgType = 24 |
| Reboot OmciMsgType = 25 |
| GetNext OmciMsgType = 26 |
| TestResult OmciMsgType = 27 |
| GetCurrentData OmciMsgType = 28 |
| SetTable OmciMsgType = 29 // Defined in Extended Message Set Only |
| ) |
| |
| |
| // OMCI Managed Entity Class |
| type OmciClass uint16 |
| |
| func (c OmciClass) PrettyPrint() string { |
| switch c { |
| case EthernetPMHistoryData: |
| return "EthernetPMHistoryData" |
| case ONUG: |
| return "ONUG" |
| case ANIG: |
| return "ANIG" |
| case GEMPortNetworkCTP: |
| return "GEMPortNetworkCTP" |
| default: |
| log.Tracef("Cant't convert OmciClass %v to string", c) |
| return string(c) |
| } |
| } |
| |
| const ( |
| // Managed Entity Class values |
| EthernetPMHistoryData OmciClass = 24 |
| ONUG OmciClass = 256 |
| ANIG OmciClass = 263 |
| GEMPortNetworkCTP OmciClass = 268 |
| ) |
| |
| // OMCI Message Identifier |
| type OmciMessageIdentifier struct { |
| Class OmciClass |
| Instance uint16 |
| } |
| |
| type OmciContent [32]byte |
| |
| type OmciMessage struct { |
| TransactionId uint16 |
| MessageType OmciMsgType |
| DeviceId uint8 |
| MessageId OmciMessageIdentifier |
| Content OmciContent |
| } |
| |
| func ParsePkt(pkt []byte) (uint16, uint8, OmciMsgType, OmciClass, uint16, OmciContent, error) { |
| var m OmciMessage |
| |
| r := bytes.NewReader(pkt) |
| |
| if err := binary.Read(r, binary.BigEndian, &m); err != nil { |
| log.WithFields(log.Fields{ |
| "Packet": pkt, |
| "omciMsg": fmt.Sprintf("%x", pkt), |
| }).Errorf("Failed to read packet: %s", err) |
| return 0, 0, 0, 0, 0, OmciContent{}, errors.New("Failed to read packet") |
| } |
| /* Message Type = Set |
| 0... .... = Destination Bit: 0x0 |
| .1.. .... = Acknowledge Request: 0x1 |
| ..0. .... = Acknowledgement: 0x0 |
| ...0 1000 = Message Type: Set (8) |
| */ |
| |
| log.WithFields(log.Fields{ |
| "TransactionId": m.TransactionId, |
| "MessageType": m.MessageType.PrettyPrint(), |
| "MeClass": m.MessageId.Class, |
| "MeInstance": m.MessageId.Instance, |
| "Conent": m.Content, |
| "Packet": pkt, |
| }).Tracef("Parsing OMCI Packet") |
| |
| return m.TransactionId, m.DeviceId, m.MessageType & 0x1F, m.MessageId.Class, m.MessageId.Instance, m.Content, nil |
| } |