Takahiro Suzuki | d7bf820 | 2020-12-17 20:21:59 +0900 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2020-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 | |
| 17 | package l2oam |
| 18 | |
| 19 | import ( |
| 20 | "encoding/hex" |
| 21 | "fmt" |
| 22 | |
| 23 | "github.com/google/gopacket" |
| 24 | ) |
| 25 | |
| 26 | // GenerateGetFirmwareVersion generates "Running Firmware Version" message |
| 27 | func GenerateGetFirmwareVersion() gopacket.SerializableLayer { |
| 28 | tibitData := &TOAMGetRequest{ |
| 29 | // IEEE 1904.2 |
| 30 | Opcode: 0x03, |
| 31 | // OMI Protocol |
| 32 | Flags: 0x0050, |
| 33 | OAMPDUCode: 0xfe, |
| 34 | OUId: []byte{0x2a, 0xea, 0x15}, |
| 35 | // TiBiT OLT Management Interface |
| 36 | TOMIOpcode: 0x01, |
| 37 | // Correlation Tag |
| 38 | CTBranch: 0x0c, |
| 39 | CTType: 0x0c7a, |
| 40 | CTLength: 4, |
| 41 | CTInstance: getOltInstance(), |
| 42 | // Object Context |
| 43 | OCBranch: 0x0c, |
| 44 | OCType: 0x0dce, |
| 45 | OCLength: 4, |
| 46 | OCInstance: 0x00000000, |
| 47 | // Vd |
| 48 | VdBranch: 0xde, |
| 49 | VdLeaf: 0x001b, |
| 50 | // End |
| 51 | EndBranch: 0, |
| 52 | } |
| 53 | return tibitData |
| 54 | } |
| 55 | |
| 56 | // GetFirmwareVersionRes is a structure for a response of "Running Firmware Version" |
| 57 | type GetFirmwareVersionRes struct { |
| 58 | ComResp TOAMGetResponse |
| 59 | AKLength uint8 |
| 60 | AKValue []byte |
| 61 | RVLength uint8 |
| 62 | RVValue []byte |
| 63 | BSLength uint8 |
| 64 | BSValue []byte |
| 65 | RNLength uint8 |
| 66 | RNValue []byte |
| 67 | BDLength uint8 |
| 68 | BDValue []byte |
| 69 | EndBranch uint8 |
| 70 | } |
| 71 | |
| 72 | // String returns the string expression of GetFirmwareVersionRes |
| 73 | func (d *GetFirmwareVersionRes) String() string { |
| 74 | message := d.ComResp.String() |
| 75 | message = fmt.Sprintf("%s, AKLength:%02x, AKValue:%s, RVLength:%02x, RVValue:%s", message, d.AKLength, hex.EncodeToString(d.AKValue), d.RVLength, hex.EncodeToString(d.RVValue)) |
| 76 | message = fmt.Sprintf("%s, BSLength:%02x, BSValue:%s, RNLength:%02x, RNValue:%s", message, d.BSLength, hex.EncodeToString(d.BSValue), d.RNLength, hex.EncodeToString(d.RNValue)) |
| 77 | message = fmt.Sprintf("%s, BDLength:%02x, BDValue:%s, EndBranch:%02x", message, d.BDLength, hex.EncodeToString(d.BDValue), d.EndBranch) |
| 78 | return message |
| 79 | } |
| 80 | |
| 81 | // Len returns the length of GetFirmwareVersionRes |
| 82 | func (d *GetFirmwareVersionRes) Len() int { |
| 83 | return d.ComResp.Len() + int(d.ComResp.VcLength) + 1 |
| 84 | } |
| 85 | |
| 86 | // Decode decodes byte arrays to a data structure |
| 87 | func (d *GetFirmwareVersionRes) Decode(data []byte) error { |
| 88 | d.ComResp.Decode(data) |
| 89 | i := d.ComResp.Len() |
| 90 | d.AKLength = data[i] |
| 91 | i++ |
| 92 | d.AKValue = data[i : i+int(d.AKLength)] |
| 93 | i += int(d.AKLength) |
| 94 | d.RVLength = data[i] |
| 95 | i++ |
| 96 | d.RVValue = data[i : i+int(d.RVLength)] |
| 97 | i += int(d.RVLength) |
| 98 | d.BSLength = data[i] |
| 99 | i++ |
| 100 | d.BSValue = data[i : i+int(d.BSLength)] |
| 101 | i += int(d.BSLength) |
| 102 | d.RNLength = data[i] |
| 103 | i++ |
| 104 | d.RNValue = data[i : i+int(d.RNLength)] |
| 105 | i += int(d.RNLength) |
| 106 | d.BDLength = data[i] |
| 107 | i++ |
| 108 | d.BDValue = data[i : i+int(d.BDLength)] |
| 109 | i += int(d.BDLength) |
| 110 | d.EndBranch = data[i] |
| 111 | |
| 112 | return nil |
| 113 | } |
| 114 | |
| 115 | // GetFirmwareVersionNumber returns a firmware version number |
| 116 | func (d *GetFirmwareVersionRes) GetFirmwareVersionNumber() string { |
| 117 | return string(d.RVValue) |
| 118 | } |