| /* |
| * 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 ( |
| "fmt" |
| log "github.com/sirupsen/logrus" |
| ) |
| |
| var omciCh = make(chan OmciChMessage) |
| |
| func GetChannel() chan OmciChMessage { |
| return omciCh |
| } |
| |
| func OmciSim(intfId uint32, onuId uint32, request []byte) ([]byte, error) { |
| var resp []byte |
| |
| transactionId, deviceId, msgType, class, instance, content, err := ParsePkt(request) |
| if err != nil { |
| log.WithFields(log.Fields{ |
| "IntfId": intfId, |
| "OnuId": onuId, |
| }).Errorf("Cannot parse OMCI msg") |
| return resp, &OmciError{"Cannot parse OMCI msg"} |
| } |
| |
| log.WithFields(log.Fields{ |
| "IntfId": intfId, |
| "OnuId": onuId, |
| "TransactionId": transactionId, |
| "MessageType": msgType.PrettyPrint(), |
| "MeClass": class, |
| "MeInstance": instance, |
| //"Conent": content, |
| "omciMsg": fmt.Sprintf("%x", content), |
| }).Tracef("Processing OMCI pakcet") |
| |
| key := OnuKey{intfId, onuId} |
| OnuOmciStateMapLock.Lock() |
| if _, ok := OnuOmciStateMap[key]; !ok { |
| OnuOmciStateMap[key] = NewOnuOmciState() |
| } |
| OnuOmciStateMapLock.Unlock() |
| |
| if _, ok := Handlers[msgType]; !ok { |
| log.WithFields(log.Fields{ |
| "IntfId": intfId, |
| "OnuId": onuId, |
| "msgType": msgType, |
| }).Errorf("Ignoring omci msg (msgType %d not handled)", msgType) |
| return resp, &OmciError{"Unimplemented omci msg"} |
| } |
| |
| resp, err = Handlers[msgType](class, content, key) |
| if err != nil { |
| log.WithFields(log.Fields{ |
| "IntfId": intfId, |
| "OnuId": onuId, |
| "msgType": msgType, |
| }).Errorf("Unable to send a successful response, error: %s", err) |
| return resp, nil |
| } |
| |
| // In the OMCI message, first 2-bytes is the Transaction Correlation ID |
| resp[0] = byte(transactionId >> 8) |
| resp[1] = byte(transactionId & 0xFF) |
| 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) |
| resp[3] = deviceId |
| |
| // for create, get and set |
| if ((msgType & 0xFF) != MibUploadNext) && ((msgType & 0xFF) != MibReset) && ((msgType & 0xFF) != MibUpload) { |
| // Common fields for create, get, and set |
| resp[4] = byte(class >> 8) |
| resp[5] = byte(class & 0xFF) |
| resp[6] = byte(instance >> 8) |
| resp[7] = byte(instance & 0xFF) |
| resp[8] = 0 // Result: Command Processed Successfully |
| |
| // Hardcoding class specific values for Get |
| if (class == 0x82) && ((msgType & 0x0F) == Get) { |
| resp[9] = 0 |
| resp[10] = 0x78 |
| |
| } else if (class == 0x2F) && ((msgType & 0x0F) == Get) { |
| resp[9] = 0x0F |
| resp[10] = 0xB8 |
| } else if (class == 0x138) && ((msgType & 0x0F) == Get) { |
| resp[9] = content[0] // 0xBE |
| resp[10] = 0x00 |
| } |
| } |
| |
| log.WithFields(log.Fields{ |
| "IntfId": intfId, |
| "OnuId": onuId, |
| "msgType": msgType.PrettyPrint(), |
| "omciMsg": fmt.Sprintf("%x", resp), |
| }).Tracef("OMCI-SIM Response") |
| |
| return resp, nil |
| } |