| /* |
| * Copyright (c) 2018 - present. Boling Consulting Solutions (bcsw.net) |
| * Copyright 2020-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 omci |
| |
| import ( |
| "encoding/binary" |
| "errors" |
| "fmt" |
| "github.com/google/gopacket" |
| me "github.com/opencord/omci-lib-go/generated" |
| ) |
| |
| type MibResetRequest struct { |
| MeBasePacket |
| } |
| |
| func (omci *MibResetRequest) String() string { |
| return fmt.Sprintf("%v", omci.MeBasePacket.String()) |
| } |
| |
| // LayerType returns LayerTypeMibResetRequest |
| func (omci *MibResetRequest) LayerType() gopacket.LayerType { |
| return LayerTypeMibResetRequest |
| } |
| |
| // CanDecode returns the set of layer types that this DecodingLayer can decode |
| func (omci *MibResetRequest) CanDecode() gopacket.LayerClass { |
| return LayerTypeMibResetRequest |
| } |
| |
| // NextLayerType returns the layer type contained by this DecodingLayer. |
| func (omci *MibResetRequest) NextLayerType() gopacket.LayerType { |
| return gopacket.LayerTypePayload |
| } |
| |
| // DecodeFromBytes decodes the given bytes of a MIB Reset Request into this layer |
| func (omci *MibResetRequest) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error { |
| // Common ClassID/EntityID decode in msgBase |
| var hdrSize int |
| if omci.Extended { |
| hdrSize = 6 |
| } else { |
| hdrSize = 4 |
| } |
| err := omci.MeBasePacket.DecodeFromBytes(data, p, hdrSize) |
| if err != nil { |
| return err |
| } |
| meDefinition, omciErr := me.LoadManagedEntityDefinition(omci.EntityClass, |
| me.ParamData{EntityID: omci.EntityInstance}) |
| if omciErr.StatusCode() != me.Success { |
| return omciErr.GetError() |
| } |
| // ME needs to support MIB reset |
| if !me.SupportsMsgType(meDefinition, me.MibReset) { |
| return me.NewProcessingError("managed entity does not support MIB Reset Message-Type") |
| } |
| // Entity Class are always ONU DATA (2) and Entity Instance of 0 |
| if omci.EntityClass != me.OnuDataClassID { |
| msg := fmt.Sprintf("invalid Entity Class for MIB Reset request: %v", |
| omci.EntityClass) |
| return me.NewProcessingError(msg) |
| } |
| if omci.EntityInstance != 0 { |
| msg := fmt.Sprintf("invalid Entity Instance for MIB Reset request: %v", |
| omci.EntityInstance) |
| return me.NewUnknownInstanceError(msg) |
| } |
| return nil |
| } |
| |
| func decodeMibResetRequest(data []byte, p gopacket.PacketBuilder) error { |
| omci := &MibResetRequest{} |
| omci.MsgLayerType = LayerTypeMibResetRequest |
| return decodingLayerDecoder(omci, data, p) |
| } |
| |
| func decodeMibResetRequestExtended(data []byte, p gopacket.PacketBuilder) error { |
| omci := &MibResetRequest{} |
| omci.MsgLayerType = LayerTypeMibResetRequest |
| omci.Extended = true |
| return decodingLayerDecoder(omci, data, p) |
| } |
| |
| // SerializeTo provides serialization of an MIB Reset Request message |
| func (omci *MibResetRequest) SerializeTo(b gopacket.SerializeBuffer, _ gopacket.SerializeOptions) error { |
| // MibReset Entity Class are always ONU DATA (2) and Entity Instance of 0 |
| if omci.EntityClass != me.OnuDataClassID { |
| return me.NewProcessingError("invalid Entity Class for MIB Reset request") |
| } |
| if omci.EntityInstance != 0 { |
| return me.NewUnknownInstanceError("invalid Entity Instance for MIB Reset request") |
| } |
| err := omci.MeBasePacket.SerializeTo(b) |
| if err != nil { |
| return err |
| } |
| // Add length if extended ident |
| if omci.Extended { |
| bytes, err := b.AppendBytes(2) |
| if err != nil { |
| return err |
| } |
| binary.BigEndian.PutUint16(bytes, 0) |
| } |
| return nil |
| } |
| |
| type MibResetResponse struct { |
| MeBasePacket |
| Result me.Results |
| } |
| |
| func (omci *MibResetResponse) String() string { |
| return fmt.Sprintf("%v, Result: %d (%v)", |
| omci.MeBasePacket.String(), omci.Result, omci.Result) |
| } |
| |
| // LayerType returns LayerTypeMibResetResponse |
| func (omci *MibResetResponse) LayerType() gopacket.LayerType { |
| return LayerTypeMibResetResponse |
| } |
| |
| // CanDecode returns the set of layer types that this DecodingLayer can decode |
| func (omci *MibResetResponse) CanDecode() gopacket.LayerClass { |
| return LayerTypeMibResetResponse |
| } |
| |
| // NextLayerType returns the layer type contained by this DecodingLayer. |
| func (omci *MibResetResponse) NextLayerType() gopacket.LayerType { |
| return gopacket.LayerTypePayload |
| } |
| |
| // DecodeFromBytes decodes the given bytes of a MIB Reset Response into this layer |
| func (omci *MibResetResponse) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error { |
| // Common ClassID/EntityID decode in msgBase |
| var hdrSize int |
| if omci.Extended { |
| hdrSize = 6 + 1 |
| } else { |
| hdrSize = 4 + 1 |
| } |
| err := omci.MeBasePacket.DecodeFromBytes(data, p, hdrSize) |
| if err != nil { |
| return err |
| } |
| meDefinition, omciErr := me.LoadManagedEntityDefinition(omci.EntityClass, |
| me.ParamData{EntityID: omci.EntityInstance}) |
| if omciErr.StatusCode() != me.Success { |
| return omciErr.GetError() |
| } |
| // ME needs to support MIB reset |
| if !me.SupportsMsgType(meDefinition, me.MibReset) { |
| return me.NewProcessingError("managed entity does not support MIB Reset Message-Type") |
| } |
| // MIB Reset Response Entity Class always ONU DATA (2) and |
| // Entity Instance of 0 |
| if omci.EntityClass != me.OnuDataClassID { |
| return me.NewProcessingError("invalid Entity Class for MIB Reset Response") |
| } |
| if omci.EntityInstance != 0 { |
| return me.NewUnknownInstanceError("invalid Entity Instance for MIB Reset Response") |
| } |
| offset := hdrSize - 1 |
| omci.Result = me.Results(data[offset]) |
| if omci.Result > me.DeviceBusy { |
| msg := fmt.Sprintf("invalid results code: %v, must be 0..6", omci.Result) |
| return errors.New(msg) |
| } |
| return nil |
| } |
| |
| func decodeMibResetResponse(data []byte, p gopacket.PacketBuilder) error { |
| omci := &MibResetResponse{} |
| omci.MsgLayerType = LayerTypeMibResetResponse |
| return decodingLayerDecoder(omci, data, p) |
| } |
| |
| func decodeMibResetResponseExtended(data []byte, p gopacket.PacketBuilder) error { |
| omci := &MibResetResponse{} |
| omci.MsgLayerType = LayerTypeMibResetResponse |
| omci.Extended = true |
| return decodingLayerDecoder(omci, data, p) |
| } |
| |
| // SerializeTo provides serialization of an MIB Reset Response message |
| func (omci *MibResetResponse) SerializeTo(b gopacket.SerializeBuffer, _ gopacket.SerializeOptions) error { |
| // Basic (common) OMCI Header is 8 octets, 10 |
| err := omci.MeBasePacket.SerializeTo(b) |
| if err != nil { |
| return err |
| } |
| entity, omciErr := me.LoadManagedEntityDefinition(omci.EntityClass, |
| me.ParamData{EntityID: omci.EntityInstance}) |
| if omciErr.StatusCode() != me.Success { |
| return omciErr.GetError() |
| } |
| // ME needs to support Set |
| if !me.SupportsMsgType(entity, me.MibReset) { |
| return me.NewProcessingError("managed entity does not support the MIB Reset Message-Type") |
| } |
| var offset int |
| if omci.Extended { |
| offset = 2 |
| } |
| bytes, err := b.AppendBytes(offset + 1) |
| if err != nil { |
| return err |
| } |
| // Add length if extended ident |
| if omci.Extended { |
| binary.BigEndian.PutUint16(bytes, 1) |
| } |
| bytes[offset] = byte(omci.Result) |
| return nil |
| } |