Shad Ansari | 1106b02 | 2019-01-16 22:22:35 -0800 | [diff] [blame] | 1 | /* |
| 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 | |
| 17 | package core |
| 18 | |
Matteo Scandolo | a002681 | 2019-08-20 11:01:32 -0700 | [diff] [blame] | 19 | import ( |
| 20 | "fmt" |
| 21 | log "github.com/sirupsen/logrus" |
| 22 | ) |
Shad Ansari | 1106b02 | 2019-01-16 22:22:35 -0800 | [diff] [blame] | 23 | |
Matteo Scandolo | 203314b | 2019-08-26 14:28:42 -0700 | [diff] [blame] | 24 | var omciCh = make(chan OmciChMessage) |
| 25 | |
| 26 | func GetChannel() chan OmciChMessage { |
| 27 | return omciCh |
| 28 | } |
| 29 | |
Shad Ansari | 1106b02 | 2019-01-16 22:22:35 -0800 | [diff] [blame] | 30 | func OmciSim(intfId uint32, onuId uint32, request []byte) ([]byte, error) { |
| 31 | var resp []byte |
| 32 | |
| 33 | transactionId, deviceId, msgType, class, instance, content, err := ParsePkt(request) |
| 34 | if err != nil { |
Matteo Scandolo | a002681 | 2019-08-20 11:01:32 -0700 | [diff] [blame] | 35 | log.WithFields(log.Fields{ |
| 36 | "IntfId": intfId, |
| 37 | "OnuId": onuId, |
| 38 | }).Errorf("Cannot parse OMCI msg") |
| 39 | return resp, &OmciError{"Cannot parse OMCI msg"} |
Shad Ansari | 1106b02 | 2019-01-16 22:22:35 -0800 | [diff] [blame] | 40 | } |
| 41 | |
Matteo Scandolo | a002681 | 2019-08-20 11:01:32 -0700 | [diff] [blame] | 42 | log.WithFields(log.Fields{ |
| 43 | "IntfId": intfId, |
| 44 | "OnuId": onuId, |
| 45 | "TransactionId": transactionId, |
| 46 | "MessageType": msgType.PrettyPrint(), |
| 47 | "MeClass": class, |
| 48 | "MeInstance": instance, |
| 49 | //"Conent": content, |
| 50 | "omciMsg": fmt.Sprintf("%x", content), |
Matteo Scandolo | 203314b | 2019-08-26 14:28:42 -0700 | [diff] [blame] | 51 | }).Tracef("Processing OMCI pakcet") |
Shad Ansari | 1106b02 | 2019-01-16 22:22:35 -0800 | [diff] [blame] | 52 | |
| 53 | key := OnuKey{intfId, onuId} |
William Kurkian | 3687c57 | 2019-10-11 15:29:17 -0400 | [diff] [blame^] | 54 | OnuOmciStateMapLock.Lock() |
Shad Ansari | 1106b02 | 2019-01-16 22:22:35 -0800 | [diff] [blame] | 55 | if _, ok := OnuOmciStateMap[key]; !ok { |
| 56 | OnuOmciStateMap[key] = NewOnuOmciState() |
| 57 | } |
William Kurkian | 3687c57 | 2019-10-11 15:29:17 -0400 | [diff] [blame^] | 58 | OnuOmciStateMapLock.Unlock() |
Shad Ansari | 1106b02 | 2019-01-16 22:22:35 -0800 | [diff] [blame] | 59 | |
| 60 | if _, ok := Handlers[msgType]; !ok { |
Matteo Scandolo | a002681 | 2019-08-20 11:01:32 -0700 | [diff] [blame] | 61 | log.WithFields(log.Fields{ |
| 62 | "IntfId": intfId, |
| 63 | "OnuId": onuId, |
| 64 | "msgType": msgType, |
| 65 | }).Errorf("Ignoring omci msg (msgType %d not handled)", msgType) |
Shad Ansari | 1106b02 | 2019-01-16 22:22:35 -0800 | [diff] [blame] | 66 | return resp, &OmciError{"Unimplemented omci msg"} |
| 67 | } |
| 68 | |
| 69 | resp, err = Handlers[msgType](class, content, key) |
| 70 | if err != nil { |
Matteo Scandolo | a002681 | 2019-08-20 11:01:32 -0700 | [diff] [blame] | 71 | log.WithFields(log.Fields{ |
| 72 | "IntfId": intfId, |
| 73 | "OnuId": onuId, |
| 74 | "msgType": msgType, |
| 75 | }).Errorf("Unable to send a successful response, error: %s", err) |
Keita NISHIMOTO | 21853b3 | 2019-01-25 19:29:59 +0900 | [diff] [blame] | 76 | return resp, nil |
Shad Ansari | 1106b02 | 2019-01-16 22:22:35 -0800 | [diff] [blame] | 77 | } |
Keita NISHIMOTO | 21853b3 | 2019-01-25 19:29:59 +0900 | [diff] [blame] | 78 | |
Zdravko Bozakov | f56cca4 | 2019-04-29 10:06:47 +0200 | [diff] [blame] | 79 | // In the OMCI message, first 2-bytes is the Transaction Correlation ID |
Shad Ansari | 1106b02 | 2019-01-16 22:22:35 -0800 | [diff] [blame] | 80 | resp[0] = byte(transactionId >> 8) |
| 81 | resp[1] = byte(transactionId & 0xFF) |
Zdravko Bozakov | f56cca4 | 2019-04-29 10:06:47 +0200 | [diff] [blame] | 82 | resp[2] = 0x2<<4 | byte(msgType) // Upper nibble 0x2 is fixed (0010), Lower nibbles defines the msg type (i.e., mib-upload, mib-upload-next, etc) |
Shad Ansari | 1106b02 | 2019-01-16 22:22:35 -0800 | [diff] [blame] | 83 | resp[3] = deviceId |
| 84 | |
Zdravko Bozakov | f56cca4 | 2019-04-29 10:06:47 +0200 | [diff] [blame] | 85 | // for create, get and set |
| 86 | if ((msgType & 0xFF) != MibUploadNext) && ((msgType & 0xFF) != MibReset) && ((msgType & 0xFF) != MibUpload) { |
Zdravko Bozakov | f56cca4 | 2019-04-29 10:06:47 +0200 | [diff] [blame] | 87 | // Common fields for create, get, and set |
| 88 | resp[4] = byte(class >> 8) |
| 89 | resp[5] = byte(class & 0xFF) |
| 90 | resp[6] = byte(instance >> 8) |
| 91 | resp[7] = byte(instance & 0xFF) |
| 92 | resp[8] = 0 // Result: Command Processed Successfully |
| 93 | |
| 94 | // Hardcoding class specific values for Get |
| 95 | if (class == 0x82) && ((msgType & 0x0F) == Get) { |
| 96 | resp[9] = 0 |
| 97 | resp[10] = 0x78 |
| 98 | |
| 99 | } else if (class == 0x2F) && ((msgType & 0x0F) == Get) { |
| 100 | resp[9] = 0x0F |
| 101 | resp[10] = 0xB8 |
| 102 | } else if (class == 0x138) && ((msgType & 0x0F) == Get) { |
| 103 | resp[9] = content[0] // 0xBE |
| 104 | resp[10] = 0x00 |
| 105 | } |
| 106 | } |
| 107 | |
Matteo Scandolo | a002681 | 2019-08-20 11:01:32 -0700 | [diff] [blame] | 108 | log.WithFields(log.Fields{ |
| 109 | "IntfId": intfId, |
| 110 | "OnuId": onuId, |
| 111 | "msgType": msgType.PrettyPrint(), |
| 112 | "omciMsg": fmt.Sprintf("%x", resp), |
Matteo Scandolo | 203314b | 2019-08-26 14:28:42 -0700 | [diff] [blame] | 113 | }).Tracef("OMCI-SIM Response") |
Zdravko Bozakov | f56cca4 | 2019-04-29 10:06:47 +0200 | [diff] [blame] | 114 | |
Shad Ansari | 1106b02 | 2019-01-16 22:22:35 -0800 | [diff] [blame] | 115 | return resp, nil |
William Kurkian | 3687c57 | 2019-10-11 15:29:17 -0400 | [diff] [blame^] | 116 | } |