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/*
* 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"
)
// MessageType is the OMCI Message Type or'ed with the AR/AK flags as appropriate.
type MessageType byte
const (
CreateRequestType = MessageType(byte(me.Create) | me.AR)
CreateResponseType = MessageType(byte(me.Create) | me.AK)
DeleteRequestType = MessageType(byte(me.Delete) | me.AR)
DeleteResponseType = MessageType(byte(me.Delete) | me.AK)
SetRequestType = MessageType(byte(me.Set) | me.AR)
SetResponseType = MessageType(byte(me.Set) | me.AK)
GetRequestType = MessageType(byte(me.Get) | me.AR)
GetResponseType = MessageType(byte(me.Get) | me.AK)
GetAllAlarmsRequestType = MessageType(byte(me.GetAllAlarms) | me.AR)
GetAllAlarmsResponseType = MessageType(byte(me.GetAllAlarms) | me.AK)
GetAllAlarmsNextRequestType = MessageType(byte(me.GetAllAlarmsNext) | me.AR)
GetAllAlarmsNextResponseType = MessageType(byte(me.GetAllAlarmsNext) | me.AK)
MibUploadRequestType = MessageType(byte(me.MibUpload) | me.AR)
MibUploadResponseType = MessageType(byte(me.MibUpload) | me.AK)
MibUploadNextRequestType = MessageType(byte(me.MibUploadNext) | me.AR)
MibUploadNextResponseType = MessageType(byte(me.MibUploadNext) | me.AK)
MibResetRequestType = MessageType(byte(me.MibReset) | me.AR)
MibResetResponseType = MessageType(byte(me.MibReset) | me.AK)
TestRequestType = MessageType(byte(me.Test) | me.AR)
TestResponseType = MessageType(byte(me.Test) | me.AK)
StartSoftwareDownloadRequestType = MessageType(byte(me.StartSoftwareDownload) | me.AR)
StartSoftwareDownloadResponseType = MessageType(byte(me.StartSoftwareDownload) | me.AK)
DownloadSectionRequestType = MessageType(me.DownloadSection) // me.AR is optional
DownloadSectionRequestWithResponseType = MessageType(byte(me.DownloadSection) | me.AR)
DownloadSectionResponseType = MessageType(byte(me.DownloadSection) | me.AK)
EndSoftwareDownloadRequestType = MessageType(byte(me.EndSoftwareDownload) | me.AR)
EndSoftwareDownloadResponseType = MessageType(byte(me.EndSoftwareDownload) | me.AK)
ActivateSoftwareRequestType = MessageType(byte(me.ActivateSoftware) | me.AR)
ActivateSoftwareResponseType = MessageType(byte(me.ActivateSoftware) | me.AK)
CommitSoftwareRequestType = MessageType(byte(me.CommitSoftware) | me.AR)
CommitSoftwareResponseType = MessageType(byte(me.CommitSoftware) | me.AK)
SynchronizeTimeRequestType = MessageType(byte(me.SynchronizeTime) | me.AR)
SynchronizeTimeResponseType = MessageType(byte(me.SynchronizeTime) | me.AK)
RebootRequestType = MessageType(byte(me.Reboot) | me.AR)
RebootResponseType = MessageType(byte(me.Reboot) | me.AK)
GetNextRequestType = MessageType(byte(me.GetNext) | me.AR)
GetNextResponseType = MessageType(byte(me.GetNext) | me.AK)
GetCurrentDataRequestType = MessageType(byte(me.GetCurrentData) | me.AR)
GetCurrentDataResponseType = MessageType(byte(me.GetCurrentData) | me.AK)
SetTableRequestType = MessageType(byte(me.SetTable) | me.AR)
SetTableResponseType = MessageType(byte(me.SetTable) | me.AK)
// Autonomous ONU messages
AlarmNotificationType = MessageType(byte(me.AlarmNotification))
AttributeValueChangeType = MessageType(byte(me.AttributeValueChange))
TestResultType = MessageType(byte(me.TestResult))
)
func (mt MessageType) String() string {
switch mt {
default:
return "Unknown"
case CreateRequestType:
return "Create Request"
case CreateResponseType:
return "Create Response"
case DeleteRequestType:
return "Delete Request"
case DeleteResponseType:
return "Delete Response"
case SetRequestType:
return "Set Request"
case SetResponseType:
return "Set Response"
case GetRequestType:
return "Get Request"
case GetResponseType:
return "Get Response"
case GetAllAlarmsRequestType:
return "Get All Alarms Request"
case GetAllAlarmsResponseType:
return "Get All Alarms Response"
case GetAllAlarmsNextRequestType:
return "Get All Alarms Next Request"
case GetAllAlarmsNextResponseType:
return "Get All Alarms Next Response"
case MibUploadRequestType:
return "MIB Upload Request"
case MibUploadResponseType:
return "MIB Upload Response"
case MibUploadNextRequestType:
return "MIB Upload Next Request"
case MibUploadNextResponseType:
return "MIB Upload Next Response"
case MibResetRequestType:
return "MIB Reset Request"
case MibResetResponseType:
return "MIB Reset Response"
case TestRequestType:
return "Test Request"
case TestResponseType:
return "Test Response"
case StartSoftwareDownloadRequestType:
return "Start Software Download Request"
case StartSoftwareDownloadResponseType:
return "Start Software Download Response"
case DownloadSectionRequestType:
return "Download Section Request"
case DownloadSectionResponseType:
return "Download Section Response"
case EndSoftwareDownloadRequestType:
return "End Software Download Request"
case EndSoftwareDownloadResponseType:
return "End Software Download Response"
case ActivateSoftwareRequestType:
return "Activate Software Request"
case ActivateSoftwareResponseType:
return "Activate Software Response"
case CommitSoftwareRequestType:
return "Commit Software Request"
case CommitSoftwareResponseType:
return "Commit Software Response"
case SynchronizeTimeRequestType:
return "Synchronize Time Request"
case SynchronizeTimeResponseType:
return "Synchronize Time Response"
case RebootRequestType:
return "Reboot Request"
case RebootResponseType:
return "Reboot Response"
case GetNextRequestType:
return "Get Next Request"
case GetNextResponseType:
return "Get Next Response"
case GetCurrentDataRequestType:
return "Get Current Data Request"
case GetCurrentDataResponseType:
return "Get Current Data Response"
case SetTableRequestType:
return "Set Table Request"
case SetTableResponseType:
return "Set Table Response"
case AlarmNotificationType:
return "Alarm Notification"
case AttributeValueChangeType:
return "Attribute Value Change"
case TestResultType:
return "Test Result"
}
}
/////////////////////////////////////////////////////////////////////////////
// CreateRequest
type CreateRequest struct {
MeBasePacket
Attributes me.AttributeValueMap
}
func (omci *CreateRequest) String() string {
return fmt.Sprintf("%v, attributes: %v", omci.MeBasePacket.String(), omci.Attributes)
}
// DecodeFromBytes decodes the given bytes of a Create Request into this layer
func (omci *CreateRequest) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
if err != nil {
return err
}
// Create attribute mask for all set-by-create entries
meDefinition, omciErr := me.LoadManagedEntityDefinition(omci.EntityClass,
me.ParamData{EntityID: omci.EntityInstance})
if omciErr.StatusCode() != me.Success {
return omciErr.GetError()
}
// ME needs to support Create
if !me.SupportsMsgType(meDefinition, me.Create) {
return me.NewProcessingError("managed entity does not support Create Message-Type")
}
var sbcMask uint16
for index, attr := range meDefinition.GetAttributeDefinitions() {
if me.SupportsAttributeAccess(attr, me.SetByCreate) {
if index == 0 {
continue // Skip Entity ID
}
sbcMask |= attr.Mask
}
}
// Attribute decode
omci.Attributes, err = meDefinition.DecodeAttributes(sbcMask, data[4:], p, byte(CreateRequestType))
if err != nil {
return err
}
if eidDef, eidDefOK := meDefinition.GetAttributeDefinitions()[0]; eidDefOK {
omci.Attributes[eidDef.GetName()] = omci.EntityInstance
return nil
}
panic("All Managed Entities have an EntityID attribute")
}
func decodeCreateRequest(data []byte, p gopacket.PacketBuilder) error {
omci := &CreateRequest{}
omci.MsgLayerType = LayerTypeCreateRequest
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an Create Request Message
func (omci *CreateRequest) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
// Basic (common) OMCI Header is 8 octets, 10
err := omci.MeBasePacket.SerializeTo(b)
if err != nil {
return err
}
meDefinition, omciErr := me.LoadManagedEntityDefinition(omci.EntityClass,
me.ParamData{EntityID: omci.EntityInstance})
if omciErr.StatusCode() != me.Success {
return omciErr.GetError()
}
// Create attribute mask of SetByCreate attributes that should be present in the provided
// attributes.
var sbcMask uint16
for index, attr := range meDefinition.GetAttributeDefinitions() {
if me.SupportsAttributeAccess(attr, me.SetByCreate) {
if index == 0 {
continue // Skip Entity ID
}
sbcMask |= attr.Mask
}
}
// Attribute serialization
// TODO: Only Baseline supported at this time
bytesAvailable := MaxBaselineLength - 8 - 8
err, _ = meDefinition.SerializeAttributes(omci.Attributes, sbcMask, b, byte(CreateRequestType), bytesAvailable, false)
return err
}
/////////////////////////////////////////////////////////////////////////////
// CreateResponse
type CreateResponse struct {
MeBasePacket
Result me.Results
AttributeExecutionMask uint16 // Used when Result == ParameterError
}
func (omci *CreateResponse) String() string {
return fmt.Sprintf("%v, Result: %d (%v), Mask: %#x",
omci.MeBasePacket.String(), omci.Result, omci.Result, omci.AttributeExecutionMask)
}
// DecodeFromBytes decodes the given bytes of a Create Response into this layer
func (omci *CreateResponse) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
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 Create
if !me.SupportsMsgType(entity, me.Create) {
return me.NewProcessingError("managed entity does not support the Create Message-Type")
}
omci.Result = me.Results(data[4])
if omci.Result == me.ParameterError {
omci.AttributeExecutionMask = binary.BigEndian.Uint16(data[5:])
// TODO: validation that attributes set in mask are SetByCreate would be good here
}
return nil
}
func decodeCreateResponse(data []byte, p gopacket.PacketBuilder) error {
omci := &CreateResponse{}
omci.MsgLayerType = LayerTypeCreateResponse
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an Create Response message
func (omci *CreateResponse) SerializeTo(b gopacket.SerializeBuffer, opts 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 Create
if !me.SupportsMsgType(entity, me.Create) {
return me.NewProcessingError("managed entity does not support the Create Message-Type")
}
bytes, err := b.AppendBytes(3)
if err != nil {
return err
}
bytes[0] = byte(omci.Result)
if omci.Result == me.ParameterError {
// TODO: validation that attributes set in mask are SetByCreate would be good here
binary.BigEndian.PutUint16(bytes[1:], omci.AttributeExecutionMask)
} else {
binary.BigEndian.PutUint16(bytes[1:], 0)
}
return nil
}
/////////////////////////////////////////////////////////////////////////////
// DeleteRequest
type DeleteRequest struct {
MeBasePacket
}
func (omci *DeleteRequest) String() string {
return fmt.Sprintf("%v", omci.MeBasePacket.String())
}
// DecodeFromBytes decodes the given bytes of a Delete Request into this layer
func (omci *DeleteRequest) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
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 Delete
if !me.SupportsMsgType(entity, me.Delete) {
return me.NewProcessingError("managed entity does not support the Delete Message-Type")
}
return nil
}
func decodeDeleteRequest(data []byte, p gopacket.PacketBuilder) error {
omci := &DeleteRequest{}
omci.MsgLayerType = LayerTypeDeleteRequest
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an Delete Request message
func (omci *DeleteRequest) SerializeTo(b gopacket.SerializeBuffer, opts 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 Delete
if !me.SupportsMsgType(entity, me.Delete) {
return me.NewProcessingError("managed entity does not support the Delete Message-Type")
}
return nil
}
/////////////////////////////////////////////////////////////////////////////
// DeleteResponse
type DeleteResponse struct {
MeBasePacket
Result me.Results
}
func (omci *DeleteResponse) String() string {
return fmt.Sprintf("%v, Result: %d (%v)",
omci.MeBasePacket.String(), omci.Result, omci.Result)
}
// DecodeFromBytes decodes the given bytes of a Delete Response into this layer
func (omci *DeleteResponse) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
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 Delete
if !me.SupportsMsgType(entity, me.Delete) {
return me.NewProcessingError("managed entity does not support the Delete Message-Type")
}
omci.Result = me.Results(data[4])
return nil
}
func decodeDeleteResponse(data []byte, p gopacket.PacketBuilder) error {
omci := &DeleteResponse{}
omci.MsgLayerType = LayerTypeDeleteResponse
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an Delete Response message
func (omci *DeleteResponse) SerializeTo(b gopacket.SerializeBuffer, opts 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 Delete
if !me.SupportsMsgType(entity, me.Delete) {
return me.NewProcessingError("managed entity does not support the Delete Message-Type")
}
bytes, err := b.AppendBytes(1)
if err != nil {
return err
}
bytes[0] = byte(omci.Result)
return nil
}
/////////////////////////////////////////////////////////////////////////////
// SetRequest
type SetRequest struct {
MeBasePacket
AttributeMask uint16
Attributes me.AttributeValueMap
}
func (omci *SetRequest) String() string {
return fmt.Sprintf("%v, Mask: %#x, attributes: %v",
omci.MeBasePacket.String(), omci.AttributeMask, omci.Attributes)
}
// DecodeFromBytes decodes the given bytes of a Set Request into this layer
func (omci *SetRequest) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
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 Set
if !me.SupportsMsgType(meDefinition, me.Set) {
return me.NewProcessingError("managed entity does not support Set Message-Type")
}
omci.AttributeMask = binary.BigEndian.Uint16(data[4:6])
// Attribute decode
omci.Attributes, err = meDefinition.DecodeAttributes(omci.AttributeMask, data[6:], p, byte(SetRequestType))
if err != nil {
return err
}
// Validate all attributes support write
for attrName := range omci.Attributes {
attr, err := me.GetAttributeDefinitionByName(meDefinition.GetAttributeDefinitions(), attrName)
if err != nil {
return err
}
if attr.Index != 0 && !me.SupportsAttributeAccess(*attr, me.Write) {
msg := fmt.Sprintf("attribute '%v' does not support write access", attrName)
return me.NewProcessingError(msg)
}
}
if eidDef, eidDefOK := meDefinition.GetAttributeDefinitions()[0]; eidDefOK {
omci.Attributes[eidDef.GetName()] = omci.EntityInstance
return nil
}
panic("All Managed Entities have an EntityID attribute")
}
func decodeSetRequest(data []byte, p gopacket.PacketBuilder) error {
omci := &SetRequest{}
omci.MsgLayerType = LayerTypeSetRequest
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an Set Request message
func (omci *SetRequest) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
// Basic (common) OMCI Header is 8 octets, 10
err := omci.MeBasePacket.SerializeTo(b)
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 Set
if !me.SupportsMsgType(meDefinition, me.Set) {
return me.NewProcessingError("managed entity does not support Set Message-Type")
}
// Validate all attributes support write
for attrName := range omci.Attributes {
attr, err := me.GetAttributeDefinitionByName(meDefinition.GetAttributeDefinitions(), attrName)
if err != nil {
return err
}
// Do not test for write of Entity ID in the attribute list
if attr.Index != 0 && !me.SupportsAttributeAccess(*attr, me.Write) {
// TODO: Check ITU spec to see if this should be listed as a failed
// attribute and not a processing error.
msg := fmt.Sprintf("attribute '%v' does not support write access", attrName)
return me.NewProcessingError(msg)
}
}
bytes, err := b.AppendBytes(2)
if err != nil {
return err
}
binary.BigEndian.PutUint16(bytes, omci.AttributeMask)
// Attribute serialization
// TODO: Only Baseline supported at this time
bytesAvailable := MaxBaselineLength - 10 - 8
err, _ = meDefinition.SerializeAttributes(omci.Attributes, omci.AttributeMask, b,
byte(SetRequestType), bytesAvailable, false)
return err
}
/////////////////////////////////////////////////////////////////////////////
// SetResponse
type SetResponse struct {
MeBasePacket
Result me.Results
UnsupportedAttributeMask uint16
FailedAttributeMask uint16
}
func (omci *SetResponse) String() string {
return fmt.Sprintf("%v, Result: %d (%v), Unsupported Mask: %#x, Failed Mask: %#x",
omci.MeBasePacket.String(), omci.Result, omci.Result, omci.UnsupportedAttributeMask,
omci.FailedAttributeMask)
}
// DecodeFromBytes decodes the given bytes of a Set Response into this layer
func (omci *SetResponse) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
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.Set) {
return me.NewProcessingError("managed entity does not support the Delete Message-Type")
}
omci.Result = me.Results(data[4])
if omci.Result == me.AttributeFailure {
omci.UnsupportedAttributeMask = binary.BigEndian.Uint16(data[5:7])
omci.FailedAttributeMask = binary.BigEndian.Uint16(data[7:9])
}
return nil
}
func decodeSetResponse(data []byte, p gopacket.PacketBuilder) error {
omci := &SetResponse{}
omci.MsgLayerType = LayerTypeSetResponse
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an Set Response message
func (omci *SetResponse) SerializeTo(b gopacket.SerializeBuffer, opts 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.Set) {
return me.NewProcessingError("managed entity does not support the Set Message-Type")
}
bytes, err := b.AppendBytes(5)
if err != nil {
return err
}
bytes[0] = byte(omci.Result)
binary.BigEndian.PutUint16(bytes[1:3], omci.UnsupportedAttributeMask)
binary.BigEndian.PutUint16(bytes[3:5], omci.FailedAttributeMask)
return nil
}
/////////////////////////////////////////////////////////////////////////////
// GetRequest
type GetRequest struct {
MeBasePacket
AttributeMask uint16
}
func (omci *GetRequest) String() string {
return fmt.Sprintf("%v, Mask: %#x",
omci.MeBasePacket.String(), omci.AttributeMask)
}
// DecodeFromBytes decodes the given bytes of a Get Request into this layer
func (omci *GetRequest) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
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 Get
if !me.SupportsMsgType(meDefinition, me.Get) {
return me.NewProcessingError("managed entity does not support Get Message-Type")
}
omci.AttributeMask = binary.BigEndian.Uint16(data[4:6])
return nil
}
func decodeGetRequest(data []byte, p gopacket.PacketBuilder) error {
omci := &GetRequest{}
omci.MsgLayerType = LayerTypeGetRequest
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an Get Request message
func (omci *GetRequest) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
// Basic (common) OMCI Header is 8 octets, 10
err := omci.MeBasePacket.SerializeTo(b)
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 Set
if !me.SupportsMsgType(meDefinition, me.Get) {
return me.NewProcessingError("managed entity does not support Get Message-Type")
}
bytes, err := b.AppendBytes(2)
if err != nil {
return err
}
binary.BigEndian.PutUint16(bytes, omci.AttributeMask)
return nil
}
/////////////////////////////////////////////////////////////////////////////
// GetResponse
type GetResponse struct {
MeBasePacket
Result me.Results
AttributeMask uint16
Attributes me.AttributeValueMap
UnsupportedAttributeMask uint16
FailedAttributeMask uint16
}
func (omci *GetResponse) String() string {
return fmt.Sprintf("%v, Result: %d (%v), Mask: %#x, Unsupported: %#x, Failed: %#x, attributes: %v",
omci.MeBasePacket.String(), omci.Result, omci.Result, omci.AttributeMask,
omci.UnsupportedAttributeMask, omci.FailedAttributeMask, omci.Attributes)
}
// DecodeFromBytes decodes the given bytes of a Get Response into this layer
func (omci *GetResponse) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
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 Get
if !me.SupportsMsgType(meDefinition, me.Get) {
return me.NewProcessingError("managed entity does not support Get Message-Type")
}
omci.Result = me.Results(data[4])
omci.AttributeMask = binary.BigEndian.Uint16(data[5:7])
// Attribute decode. Note that the ITU-T G.988 specification states that the
// Unsupported and Failed attribute masks are always present
// but only valid if the status code== 9. However some XGS
// ONUs (T&W and Alpha, perhaps more) will use these last 4
// octets for data if the status code == 0. So accommodate
// this behaviour in favor of greater interoperability.
lastOctet := 36
switch omci.Result {
case me.ProcessingError, me.NotSupported, me.UnknownEntity, me.UnknownInstance, me.DeviceBusy:
return nil // Done (do not try and decode attributes)
case me.AttributeFailure:
lastOctet = 32
}
omci.Attributes, err = meDefinition.DecodeAttributes(omci.AttributeMask, data[7:lastOctet], p, byte(GetResponseType))
if err != nil {
return err
}
// If Attribute failed or Unknown, decode optional attribute mask
if omci.Result == me.AttributeFailure {
omci.UnsupportedAttributeMask = binary.BigEndian.Uint16(data[32:34])
omci.FailedAttributeMask = binary.BigEndian.Uint16(data[34:36])
}
// Validate all attributes support read
for attrName := range omci.Attributes {
attr, err := me.GetAttributeDefinitionByName(meDefinition.GetAttributeDefinitions(), attrName)
if err != nil {
return err
}
if attr.Index != 0 && !me.SupportsAttributeAccess(*attr, me.Read) {
msg := fmt.Sprintf("attribute '%v' does not support read access", attrName)
return me.NewProcessingError(msg)
}
}
if eidDef, eidDefOK := meDefinition.GetAttributeDefinitions()[0]; eidDefOK {
omci.Attributes[eidDef.GetName()] = omci.EntityInstance
return nil
}
panic("All Managed Entities have an EntityID attribute")
}
func decodeGetResponse(data []byte, p gopacket.PacketBuilder) error {
omci := &GetResponse{}
omci.MsgLayerType = LayerTypeGetResponse
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an Get Response message
func (omci *GetResponse) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
// Basic (common) OMCI Header is 8 octets, 10
if err := omci.MeBasePacket.SerializeTo(b); 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 Get
if !me.SupportsMsgType(meDefinition, me.Get) {
return me.NewProcessingError("managed entity does not support the Get Message-Type")
}
bytes, err := b.AppendBytes(3)
if err != nil {
return err
}
bytes[0] = byte(omci.Result)
binary.BigEndian.PutUint16(bytes[1:3], omci.AttributeMask)
// Validate all attributes support read
for attrName := range omci.Attributes {
attr, err := me.GetAttributeDefinitionByName(meDefinition.GetAttributeDefinitions(), attrName)
if err != nil {
return err
}
if attr.Index != 0 && !me.SupportsAttributeAccess(*attr, me.Read) {
msg := fmt.Sprintf("attribute '%v' does not support read access", attrName)
return me.NewProcessingError(msg)
}
}
// Attribute serialization
switch omci.Result {
default:
break
case me.Success, me.AttributeFailure:
// TODO: Baseline only supported at this time)
available := MaxBaselineLength - 11 - 4 - 8
// Serialize to temporary buffer if we may need to reset values due to
// recoverable truncation errors
origBuffer := b
b := gopacket.NewSerializeBuffer()
err, failedMask := meDefinition.SerializeAttributes(omci.Attributes, omci.AttributeMask, b, byte(GetResponseType),
available, opts.FixLengths)
if err == nil && failedMask != 0 && opts.FixLengths {
// Not all attributes would fit
omci.FailedAttributeMask |= failedMask
omci.AttributeMask &= ^failedMask
omci.Result = me.AttributeFailure
// Adjust already recorded values
bytes[0] = byte(omci.Result)
binary.BigEndian.PutUint16(bytes[1:3], omci.AttributeMask)
} else if err != nil {
return err
}
// Copy over attributes to the original serialization buffer
newSpace, err := origBuffer.AppendBytes(len(b.Bytes()))
if err != nil {
return err
}
copy(newSpace, b.Bytes())
b = origBuffer
// Calculate space left. Max - msgType header - OMCI trailer - spacedUsedSoFar
bytesLeft := MaxBaselineLength - 4 - 8 - len(b.Bytes())
remainingBytes, err := b.AppendBytes(bytesLeft + 4)
if err != nil {
return me.NewMessageTruncatedError(err.Error())
}
copy(remainingBytes, lotsOfZeros[:])
if omci.Result == me.AttributeFailure {
binary.BigEndian.PutUint16(remainingBytes[bytesLeft-4:bytesLeft-2], omci.UnsupportedAttributeMask)
binary.BigEndian.PutUint16(remainingBytes[bytesLeft-2:bytesLeft], omci.FailedAttributeMask)
}
}
return nil
}
/////////////////////////////////////////////////////////////////////////////
// GetAllAlarms
type GetAllAlarmsRequest struct {
MeBasePacket
AlarmRetrievalMode byte
}
func (omci *GetAllAlarmsRequest) String() string {
return fmt.Sprintf("%v, Retrieval Mode: %v",
omci.MeBasePacket.String(), omci.AlarmRetrievalMode)
}
// DecodeFromBytes decodes the given bytes of a Get All Alarms Request into this layer
func (omci *GetAllAlarmsRequest) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
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 Get All Alarms
if !me.SupportsMsgType(meDefinition, me.GetAllAlarms) {
return me.NewProcessingError("managed entity does not support Get All Alarms 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 Get All Alarms request: %v",
omci.EntityClass)
return me.NewProcessingError(msg)
}
if omci.EntityInstance != 0 {
msg := fmt.Sprintf("invalid Entity Instance for Get All Alarms request: %v",
omci.EntityInstance)
return me.NewUnknownInstanceError(msg)
}
omci.AlarmRetrievalMode = data[4]
if omci.AlarmRetrievalMode > 1 {
msg := fmt.Sprintf("invalid Alarm Retrieval Mode for Get All Alarms request: %v, must be 0..1",
omci.AlarmRetrievalMode)
return errors.New(msg)
}
return nil
}
func decodeGetAllAlarmsRequest(data []byte, p gopacket.PacketBuilder) error {
omci := &GetAllAlarmsRequest{}
omci.MsgLayerType = LayerTypeGetAllAlarmsRequest
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an Get All Alarms Request message
func (omci *GetAllAlarmsRequest) SerializeTo(b gopacket.SerializeBuffer, opts 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 Get All Alarms
if !me.SupportsMsgType(entity, me.GetAllAlarms) {
return me.NewProcessingError("managed entity does not support the Get All Alarms Message-Type")
}
bytes, err := b.AppendBytes(1)
if err != nil {
return err
}
bytes[0] = omci.AlarmRetrievalMode
return nil
}
/////////////////////////////////////////////////////////////////////////////
// GetAllAlarms
type GetAllAlarmsResponse struct {
MeBasePacket
NumberOfCommands uint16
}
func (omci *GetAllAlarmsResponse) String() string {
return fmt.Sprintf("%v, NumberOfCommands: %d",
omci.MeBasePacket.String(), omci.NumberOfCommands)
}
// DecodeFromBytes decodes the given bytes of a Get All Alarms Response into this layer
func (omci *GetAllAlarmsResponse) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
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 Get All Alarms
if !me.SupportsMsgType(meDefinition, me.GetAllAlarms) {
return me.NewProcessingError("managed entity does not support Get All Alarms 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 Get All Alarms response: %v",
omci.EntityClass)
return me.NewProcessingError(msg)
}
if omci.EntityInstance != 0 {
msg := fmt.Sprintf("invalid Entity Instance for Get All Alarms response: %v",
omci.EntityInstance)
return me.NewUnknownInstanceError(msg)
}
omci.NumberOfCommands = binary.BigEndian.Uint16(data[4:6])
return nil
}
func decodeGetAllAlarmsResponse(data []byte, p gopacket.PacketBuilder) error {
omci := &GetAllAlarmsResponse{}
omci.MsgLayerType = LayerTypeGetAllAlarmsResponse
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an Get All Alarms Response message
func (omci *GetAllAlarmsResponse) SerializeTo(b gopacket.SerializeBuffer, opts 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 Get All Alarms
if !me.SupportsMsgType(entity, me.GetAllAlarms) {
return me.NewProcessingError("managed entity does not support the Get All Alarms Message-Type")
}
bytes, err := b.AppendBytes(2)
if err != nil {
return err
}
binary.BigEndian.PutUint16(bytes[0:2], omci.NumberOfCommands)
return nil
}
/////////////////////////////////////////////////////////////////////////////
// GetAllAlarms
type GetAllAlarmsNextRequest struct {
MeBasePacket
CommandSequenceNumber uint16
}
func (omci *GetAllAlarmsNextRequest) String() string {
return fmt.Sprintf("%v, Sequence Number: %d",
omci.MeBasePacket.String(), omci.CommandSequenceNumber)
}
// DecodeFromBytes decodes the given bytes of a Get All Alarms Next Request into this layer
func (omci *GetAllAlarmsNextRequest) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
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 Get All Alarms
if !me.SupportsMsgType(meDefinition, me.GetAllAlarmsNext) {
return me.NewProcessingError("managed entity does not support Get All Alarms Next 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 Get All Alarms Next request: %v",
omci.EntityClass)
return me.NewProcessingError(msg)
}
if omci.EntityInstance != 0 {
msg := fmt.Sprintf("invalid Entity Instance for Get All Alarms Next request: %v",
omci.EntityInstance)
return me.NewUnknownInstanceError(msg)
}
omci.CommandSequenceNumber = binary.BigEndian.Uint16(data[4:6])
return nil
}
func decodeGetAllAlarmsNextRequest(data []byte, p gopacket.PacketBuilder) error {
omci := &GetAllAlarmsNextRequest{}
omci.MsgLayerType = LayerTypeGetAllAlarmsNextRequest
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an Get All Alarms Next Request message
func (omci *GetAllAlarmsNextRequest) SerializeTo(b gopacket.SerializeBuffer, opts 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 Get All Alarms Next
if !me.SupportsMsgType(entity, me.GetAllAlarmsNext) {
return me.NewProcessingError("managed entity does not support the Get All Alarms Next Message-Type")
}
bytes, err := b.AppendBytes(2)
if err != nil {
return err
}
binary.BigEndian.PutUint16(bytes, omci.CommandSequenceNumber)
return nil
}
/////////////////////////////////////////////////////////////////////////////
// GetAllAlarms
type GetAllAlarmsNextResponse struct {
MeBasePacket
AlarmEntityClass me.ClassID
AlarmEntityInstance uint16
AlarmBitMap [28]byte // 224 bits
}
func (omci *GetAllAlarmsNextResponse) String() string {
return fmt.Sprintf("%v, CID: %v, EID: (%d/%#x), Bitmap: %v",
omci.MeBasePacket.String(), omci.AlarmEntityClass, omci.AlarmEntityInstance,
omci.AlarmEntityInstance, omci.AlarmBitMap)
}
// DecodeFromBytes decodes the given bytes of a Get All Alarms Next Response into this layer
func (omci *GetAllAlarmsNextResponse) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
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 Get All Alarms Next
if !me.SupportsMsgType(meDefinition, me.GetAllAlarmsNext) {
return me.NewProcessingError("managed entity does not support Get All Alarms Next 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 Get All Alarms Next response: %v",
omci.EntityClass)
return me.NewProcessingError(msg)
}
if omci.EntityInstance != 0 {
msg := fmt.Sprintf("invalid Entity Instance for Get All Alarms Next response: %v",
omci.EntityInstance)
return me.NewUnknownInstanceError(msg)
}
omci.AlarmEntityClass = me.ClassID(binary.BigEndian.Uint16(data[4:6]))
omci.AlarmEntityInstance = binary.BigEndian.Uint16(data[6:8])
copy(omci.AlarmBitMap[:], data[8:36])
return nil
}
func decodeGetAllAlarmsNextResponse(data []byte, p gopacket.PacketBuilder) error {
omci := &GetAllAlarmsNextResponse{}
omci.MsgLayerType = LayerTypeGetAllAlarmsNextResponse
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an Get All Alarms Next Response message
func (omci *GetAllAlarmsNextResponse) SerializeTo(b gopacket.SerializeBuffer, opts 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 Get All Alarms Next
if !me.SupportsMsgType(entity, me.GetAllAlarmsNext) {
return me.NewProcessingError("managed entity does not support the Get All Alarms Next Message-Type")
}
bytes, err := b.AppendBytes(2 + 2 + 28)
if err != nil {
return err
}
binary.BigEndian.PutUint16(bytes[0:], uint16(omci.AlarmEntityClass))
binary.BigEndian.PutUint16(bytes[2:], omci.AlarmEntityInstance)
copy(bytes[4:], omci.AlarmBitMap[:])
return nil
}
/////////////////////////////////////////////////////////////////////////////
// MibUploadRequest
type MibUploadRequest struct {
MeBasePacket
}
func (omci *MibUploadRequest) String() string {
return fmt.Sprintf("%v", omci.MeBasePacket.String())
}
// DecodeFromBytes decodes the given bytes of a MIB Upload Request into this layer
func (omci *MibUploadRequest) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
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 Upload
if !me.SupportsMsgType(meDefinition, me.MibUpload) {
return me.NewProcessingError("managed entity does not support MIB Upload 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 Upload request: %v",
omci.EntityClass)
return me.NewProcessingError(msg)
}
if omci.EntityInstance != 0 {
msg := fmt.Sprintf("invalid Entity Instance for MIB Upload request: %v",
omci.EntityInstance)
return me.NewUnknownInstanceError(msg)
}
return nil
}
func decodeMibUploadRequest(data []byte, p gopacket.PacketBuilder) error {
omci := &MibUploadRequest{}
omci.MsgLayerType = LayerTypeMibUploadRequest
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an MIB Upload Request message
func (omci *MibUploadRequest) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
// Basic (common) OMCI Header is 8 octets, 10
err := omci.MeBasePacket.SerializeTo(b)
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 Get
if !me.SupportsMsgType(meDefinition, me.MibUpload) {
return me.NewProcessingError("managed entity does not support the MIB Upload Message-Type")
}
return nil
}
/////////////////////////////////////////////////////////////////////////////
// MibUploadResponse
type MibUploadResponse struct {
MeBasePacket
NumberOfCommands uint16
}
func (omci *MibUploadResponse) String() string {
return fmt.Sprintf("%v, NumberOfCommands: %#v",
omci.MeBasePacket.String(), omci.NumberOfCommands)
}
// DecodeFromBytes decodes the given bytes of a MIB Upload Response into this layer
func (omci *MibUploadResponse) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
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 Upload
if !me.SupportsMsgType(meDefinition, me.MibUpload) {
return me.NewProcessingError("managed entity does not support MIB Upload 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 Upload response: %v",
omci.EntityClass)
return me.NewProcessingError(msg)
}
if omci.EntityInstance != 0 {
msg := fmt.Sprintf("invalid Entity Instance for MIB Upload response: %v",
omci.EntityInstance)
return me.NewUnknownInstanceError(msg)
}
omci.NumberOfCommands = binary.BigEndian.Uint16(data[4:6])
return nil
}
func decodeMibUploadResponse(data []byte, p gopacket.PacketBuilder) error {
omci := &MibUploadResponse{}
omci.MsgLayerType = LayerTypeMibUploadResponse
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an MIB Upload Response message
func (omci *MibUploadResponse) SerializeTo(b gopacket.SerializeBuffer, opts 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 MIB Upload
if !me.SupportsMsgType(entity, me.MibUpload) {
return me.NewProcessingError("managed entity does not support the MIB Upload Message-Type")
}
bytes, err := b.AppendBytes(2)
if err != nil {
return err
}
binary.BigEndian.PutUint16(bytes[0:2], omci.NumberOfCommands)
return nil
}
/////////////////////////////////////////////////////////////////////////////
//
type MibUploadNextRequest struct {
MeBasePacket
CommandSequenceNumber uint16
}
func (omci *MibUploadNextRequest) String() string {
return fmt.Sprintf("%v, SequenceNumberCountOrSize: %v",
omci.MeBasePacket.String(), omci.CommandSequenceNumber)
}
// DecodeFromBytes decodes the given bytes of a MIB Upload Next Request into this layer
func (omci *MibUploadNextRequest) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
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 Get All Alarms
if !me.SupportsMsgType(meDefinition, me.MibUploadNext) {
return me.NewProcessingError("managed entity does not support MIB Upload Next 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 Upload Next request: %v",
omci.EntityClass)
return me.NewProcessingError(msg)
}
if omci.EntityInstance != 0 {
msg := fmt.Sprintf("invalid Entity Instance for MIB Upload Next request: %v",
omci.EntityInstance)
return me.NewUnknownInstanceError(msg)
}
omci.CommandSequenceNumber = binary.BigEndian.Uint16(data[4:6])
return nil
}
func decodeMibUploadNextRequest(data []byte, p gopacket.PacketBuilder) error {
omci := &MibUploadNextRequest{}
omci.MsgLayerType = LayerTypeMibUploadNextRequest
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an MIB Upload Next Request message
func (omci *MibUploadNextRequest) SerializeTo(b gopacket.SerializeBuffer, opts 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 MIB upload
if !me.SupportsMsgType(entity, me.MibUploadNext) {
return me.NewProcessingError("managed entity does not support the MIB Upload Next Message-Type")
}
bytes, err := b.AppendBytes(2)
if err != nil {
return err
}
binary.BigEndian.PutUint16(bytes[0:2], omci.CommandSequenceNumber)
return nil
}
/////////////////////////////////////////////////////////////////////////////
//
type MibUploadNextResponse struct {
MeBasePacket
ReportedME me.ManagedEntity
}
func (omci *MibUploadNextResponse) String() string {
return fmt.Sprintf("%v, ReportedME: [%v]",
omci.MeBasePacket.String(), omci.ReportedME.String())
}
// DecodeFromBytes decodes the given bytes of a MIB Upload Next Response into this layer
func (omci *MibUploadNextResponse) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
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 MibUploadNext
if !me.SupportsMsgType(meDefinition, me.MibUploadNext) {
return me.NewProcessingError("managed entity does not support MIB Upload Next 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 Upload Next response: %v",
omci.EntityClass)
return me.NewProcessingError(msg)
}
if omci.EntityInstance != 0 {
msg := fmt.Sprintf("invalid Entity Instance for MIB Upload Next response: %v",
omci.EntityInstance)
return me.NewUnknownInstanceError(msg)
}
// Decode reported ME. If an out-of-range sequence number was sent, this will
// contain an ME with class ID and entity ID of zero and you should get an
// error of "managed entity definition not found" returned.
return omci.ReportedME.DecodeFromBytes(data[4:], p, byte(MibUploadNextResponseType))
}
func decodeMibUploadNextResponse(data []byte, p gopacket.PacketBuilder) error {
omci := &MibUploadNextResponse{}
omci.MsgLayerType = LayerTypeMibUploadNextResponse
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an MIB Upload Next Response message
func (omci *MibUploadNextResponse) SerializeTo(b gopacket.SerializeBuffer, opts 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 MIB Upload
if !me.SupportsMsgType(entity, me.MibUploadNext) {
return me.NewProcessingError("managed entity does not support the MIB Upload Next Message-Type")
}
// TODO: Only Baseline supported at this time
bytesAvailable := MaxBaselineLength - 8 - 8
return omci.ReportedME.SerializeTo(b, byte(MibUploadNextResponseType), bytesAvailable, opts)
}
/////////////////////////////////////////////////////////////////////////////
// MibResetRequest
type MibResetRequest struct {
MeBasePacket
}
func (omci *MibResetRequest) String() string {
return fmt.Sprintf("%v", omci.MeBasePacket.String())
}
// 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
err := omci.MeBasePacket.DecodeFromBytes(data, p)
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)
}
// SerializeTo provides serialization of an MIB Reset Request message
func (omci *MibResetRequest) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
// Add class ID and entity ID
return omci.MeBasePacket.SerializeTo(b)
}
/////////////////////////////////////////////////////////////////////////////
// MibResetResponse
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)
}
// 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
err := omci.MeBasePacket.DecodeFromBytes(data, p)
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")
}
omci.Result = me.Results(data[4])
if omci.Result > me.DeviceBusy {
msg := fmt.Sprintf("invalid results code: %v, must be 0..8", 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)
}
// SerializeTo provides serialization of an MIB Reset Response message
func (omci *MibResetResponse) SerializeTo(b gopacket.SerializeBuffer, opts 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")
}
bytes, err := b.AppendBytes(1)
if err != nil {
return err
}
bytes[0] = byte(omci.Result)
return nil
}
/////////////////////////////////////////////////////////////////////////////
// AlarmNotificationMsg
const AlarmBitmapSize = 224
type AlarmNotificationMsg struct {
MeBasePacket
AlarmBitmap [AlarmBitmapSize / 8]byte
zeroPadding [3]byte
AlarmSequenceNumber byte
}
func (omci *AlarmNotificationMsg) String() string {
return fmt.Sprintf("%v, Sequence Number: %d, Alarm Bitmap: %v",
omci.MeBasePacket.String(), omci.AlarmSequenceNumber, omci.AlarmBitmap)
}
func (omci *AlarmNotificationMsg) IsAlarmActive(alarmNumber uint8) (bool, error) {
if alarmNumber >= AlarmBitmapSize {
msg := fmt.Sprintf("invalid alarm number: %v, must be 0..224", alarmNumber)
return false, errors.New(msg)
}
entity, omciErr := me.LoadManagedEntityDefinition(omci.EntityClass,
me.ParamData{EntityID: omci.EntityInstance})
if omciErr.StatusCode() != me.Success {
return false, omciErr.GetError()
}
alarmMap := entity.GetAlarmMap()
if alarmMap == nil {
msg := "Managed Entity does not support Alarm notifications"
return false, errors.New(msg)
}
if _, ok := alarmMap[alarmNumber]; !ok {
msg := fmt.Sprintf("unsupported invalid alarm number: %v", alarmNumber)
return false, errors.New(msg)
}
octet := alarmNumber / 8
bit := 7 - (alarmNumber % 8)
return omci.AlarmBitmap[octet]>>bit == 1, nil
}
func (omci *AlarmNotificationMsg) IsAlarmClear(alarmNumber uint8) (bool, error) {
if alarmNumber >= AlarmBitmapSize {
msg := fmt.Sprintf("invalid alarm number: %v, must be 0..224", alarmNumber)
return false, errors.New(msg)
}
entity, omciErr := me.LoadManagedEntityDefinition(omci.EntityClass,
me.ParamData{EntityID: omci.EntityInstance})
if omciErr.StatusCode() != me.Success {
return false, omciErr.GetError()
}
alarmMap := entity.GetAlarmMap()
if alarmMap == nil {
return false, errors.New("Managed Entity does not support Alarm notifications")
}
if _, ok := alarmMap[alarmNumber]; !ok {
msg := fmt.Sprintf("unsupported invalid alarm number: %v", alarmNumber)
return false, errors.New(msg)
}
octet := alarmNumber / 8
bit := 7 - (alarmNumber % 8)
return omci.AlarmBitmap[octet]>>bit == 0, nil
}
func (omci *AlarmNotificationMsg) ActivateAlarm(alarmNumber uint8) error {
if alarmNumber >= AlarmBitmapSize {
msg := fmt.Sprintf("invalid alarm number: %v, must be 0..224", alarmNumber)
return errors.New(msg)
}
entity, omciErr := me.LoadManagedEntityDefinition(omci.EntityClass,
me.ParamData{EntityID: omci.EntityInstance})
if omciErr.StatusCode() != me.Success {
return omciErr.GetError()
}
alarmMap := entity.GetAlarmMap()
if alarmMap == nil {
return errors.New("Managed Entity does not support Alarm notifications")
}
if _, ok := alarmMap[alarmNumber]; !ok {
msg := fmt.Sprintf("unsupported invalid alarm number: %v", alarmNumber)
return errors.New(msg)
}
octet := alarmNumber / 8
bit := 7 - (alarmNumber % 8)
omci.AlarmBitmap[octet] |= 1 << bit
return nil
}
func (omci *AlarmNotificationMsg) ClearAlarm(alarmNumber uint8) error {
if alarmNumber >= AlarmBitmapSize {
msg := fmt.Sprintf("invalid alarm number: %v, must be 0..224", alarmNumber)
return errors.New(msg)
}
entity, omciErr := me.LoadManagedEntityDefinition(omci.EntityClass,
me.ParamData{EntityID: omci.EntityInstance})
if omciErr.StatusCode() != me.Success {
return omciErr.GetError()
}
alarmMap := entity.GetAlarmMap()
if alarmMap == nil {
return errors.New("Managed Entity does not support Alarm notifications")
}
if _, ok := alarmMap[alarmNumber]; !ok {
msg := fmt.Sprintf("unsupported invalid alarm number: %v", alarmNumber)
return errors.New(msg)
}
octet := alarmNumber / 8
bit := 7 - (alarmNumber % 8)
omci.AlarmBitmap[octet] &= ^(1 << bit)
return nil
}
// DecodeFromBytes decodes the given bytes of an Alarm Notification into this layer
func (omci *AlarmNotificationMsg) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
if err != nil {
return err
}
meDefinition, omciErr := me.LoadManagedEntityDefinition(omci.EntityClass,
me.ParamData{EntityID: omci.EntityInstance})
if omciErr.StatusCode() != me.Success {
return omciErr.GetError()
}
// Is this an unsupported or vendor specific ME. If so, it is not an error to decode
// the alarms. We just cannot provide any alarm names. Handle decode here.
classSupport := meDefinition.GetClassSupport()
isUnsupported := classSupport == me.UnsupportedManagedEntity ||
classSupport == me.UnsupportedVendorSpecificManagedEntity
// Look for a non-nil/not empty Alarm Map to determine if this ME supports alarms
if alarmMap := meDefinition.GetAlarmMap(); isUnsupported || (alarmMap != nil && len(alarmMap) > 0) {
for index, octet := range data[4 : (AlarmBitmapSize/8)-4] {
omci.AlarmBitmap[index] = octet
}
padOffset := 4 + (AlarmBitmapSize / 8)
omci.zeroPadding[0] = data[padOffset]
omci.zeroPadding[1] = data[padOffset+1]
omci.zeroPadding[2] = data[padOffset+2]
omci.AlarmSequenceNumber = data[padOffset+3]
return nil
}
return me.NewProcessingError("managed entity does not support alarm notifications")
}
func decodeAlarmNotification(data []byte, p gopacket.PacketBuilder) error {
omci := &AlarmNotificationMsg{}
omci.MsgLayerType = LayerTypeAlarmNotification
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an Alarm Notification message
func (omci *AlarmNotificationMsg) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
// Basic (common) OMCI Header is 8 octets, 10
err := omci.MeBasePacket.SerializeTo(b)
if err != nil {
return err
}
//var meDefinition me.IManagedEntityDefinition
//meDefinition, err = me.LoadManagedEntityDefinition(omci.EntityClass,
// me.ParamData{EntityID: omci.EntityInstance})
//if err != nil {
// return err
//}
// ME needs to support Alarms
// TODO: Add attribute to ME to specify that alarm is allowed
//if !me.SupportsMsgType(meDefinition, me.MibReset) {
// return me.NewProcessingError("managed entity does not support MIB Reset Message-Type")
//}
bytes, err := b.AppendBytes((AlarmBitmapSize / 8) + 3 + 1)
if err != nil {
return err
}
for index, octet := range omci.AlarmBitmap {
bytes[index] = octet
}
padOffset := AlarmBitmapSize / 8
bytes[padOffset] = 0
bytes[padOffset+1] = 0
bytes[padOffset+2] = 0
bytes[padOffset+3] = omci.AlarmSequenceNumber
return nil
}
/////////////////////////////////////////////////////////////////////////////
// AttributeValueChangeMsg
type AttributeValueChangeMsg struct {
MeBasePacket
AttributeMask uint16
Attributes me.AttributeValueMap
}
func (omci *AttributeValueChangeMsg) String() string {
return fmt.Sprintf("%v, Mask: %#x, attributes: %v",
omci.MeBasePacket.String(), omci.AttributeMask, omci.Attributes)
}
// DecodeFromBytes decodes the given bytes of an Attribute Value Change notification into this layer
func (omci *AttributeValueChangeMsg) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
if err != nil {
return err
}
meDefinition, omciErr := me.LoadManagedEntityDefinition(omci.EntityClass,
me.ParamData{EntityID: omci.EntityInstance})
if omciErr.StatusCode() != me.Success {
return omciErr.GetError()
}
omci.AttributeMask = binary.BigEndian.Uint16(data[4:6])
// Attribute decode
omci.Attributes, err = meDefinition.DecodeAttributes(omci.AttributeMask, data[6:40], p, byte(AttributeValueChangeType))
// TODO: Add support for attributes that can have an AVC associated with them and then add a check here
// Validate all attributes support AVC
//for attrName := range omci.attributes {
// attr, err := me.GetAttributeDefinitionByName(meDefinition.GetAttributeDefinitions(), attrName)
// if err != nil {
// return err
// }
// if attr.Index != 0 && !me.SupportsAttributeAVC(attr) {
// msg := fmt.Sprintf("attribute '%v' does not support AVC notifications", attrName)
// return me.NewProcessingError(msg)
// }
//}
return err
}
func decodeAttributeValueChange(data []byte, p gopacket.PacketBuilder) error {
omci := &AttributeValueChangeMsg{}
omci.MsgLayerType = LayerTypeAttributeValueChange
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an Attribute Value Change Notification message
func (omci *AttributeValueChangeMsg) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
// Basic (common) OMCI Header is 8 octets, 10
err := omci.MeBasePacket.SerializeTo(b)
if err != nil {
return err
}
meDefinition, omciErr := me.LoadManagedEntityDefinition(omci.EntityClass,
me.ParamData{EntityID: omci.EntityInstance})
if omciErr.StatusCode() != me.Success {
return omciErr.GetError()
}
// TODO: Add support for attributes that can have an AVC associated with them and then add a check here
// Validate all attributes support AVC
//for attrName := range omci.attributes {
// attr, err := me.GetAttributeDefinitionByName(meDefinition.GetAttributeDefinitions(), attrName)
// if err != nil {
// return err
// }
// if attr.Index != 0 && !me.SupportsAttributeAVC(attr) {
// msg := fmt.Sprintf("attribute '%v' does not support AVC notifications", attrName)
// return me.NewProcessingError(msg)
// }
//}
bytes, err := b.AppendBytes(2)
if err != nil {
return err
}
binary.BigEndian.PutUint16(bytes, omci.AttributeMask)
// Attribute serialization
// TODO: Only Baseline supported at this time
bytesAvailable := MaxBaselineLength - 10 - 8
err, _ = meDefinition.SerializeAttributes(omci.Attributes, omci.AttributeMask, b,
byte(AttributeValueChangeType), bytesAvailable, false)
return err
}
/////////////////////////////////////////////////////////////////////////////
// TestRequest: TODO: Not yet implemented
type TestRequest struct {
MeBasePacket
}
func (omci *TestRequest) String() string {
return fmt.Sprintf("%v", omci.MeBasePacket.String())
}
// DecodeFromBytes decodes the given bytes of a Test Request into this layer
func (omci *TestRequest) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
if err != nil {
return err
}
return errors.New("need to implement") // TODO: Fix me) // return nil
}
func decodeTestRequest(data []byte, p gopacket.PacketBuilder) error {
omci := &TestRequest{}
omci.MsgLayerType = LayerTypeTestRequest
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an Test Request message
func (omci *TestRequest) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
// Basic (common) OMCI Header is 8 octets, 10
err := omci.MeBasePacket.SerializeTo(b)
if err != nil {
return err
}
return errors.New("need to implement") // TODO: Fix me) // omci.cachedME.SerializeTo(mask, b)
}
/////////////////////////////////////////////////////////////////////////////
// TestResponse: TODO: Not yet implemented
type TestResponse struct {
MeBasePacket
}
func (omci *TestResponse) String() string {
return fmt.Sprintf("%v", omci.MeBasePacket.String())
}
// DecodeFromBytes decodes the given bytes of a Test Response into this layer
func (omci *TestResponse) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
if err != nil {
return err
}
return errors.New("need to implement") // TODO: Fix me) // return nil
}
func decodeTestResponse(data []byte, p gopacket.PacketBuilder) error {
omci := &TestResponse{}
omci.MsgLayerType = LayerTypeTestResponse
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an Test Response message
func (omci *TestResponse) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
// Basic (common) OMCI Header is 8 octets, 10
err := omci.MeBasePacket.SerializeTo(b)
if err != nil {
return err
}
return errors.New("need to implement") // TODO: Fix me) // omci.cachedME.SerializeTo(mask, b)
}
/////////////////////////////////////////////////////////////////////////////
//
type StartSoftwareDownloadRequest struct {
MeBasePacket // Note: EntityInstance for software download is two specific values
WindowSize byte // Window Size -1
ImageSize uint32 // Octets
NumberOfCircuitPacks byte
CircuitPacks []uint16 // MSB & LSB of software image instance
}
func (omci *StartSoftwareDownloadRequest) String() string {
return fmt.Sprintf("%v, Window Size: %v, Image Size: %v, # Circuit Packs: %v",
omci.MeBasePacket.String(), omci.WindowSize, omci.ImageSize, omci.NumberOfCircuitPacks)
}
// DecodeFromBytes decodes the given bytes of a Start Software Download Request into this layer
func (omci *StartSoftwareDownloadRequest) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
err := omci.MeBasePacket.DecodeFromBytes(data, p)
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 Start Software Download
if !me.SupportsMsgType(meDefinition, me.StartSoftwareDownload) {
return me.NewProcessingError("managed entity does not support Start Software Download Message-Type")
}
// Software Image Entity Class are always use the Software Image
if omci.EntityClass != me.SoftwareImageClassID {
return me.NewProcessingError("invalid Entity Class for Start Software Download request")
}
omci.WindowSize = data[4]
omci.ImageSize = binary.BigEndian.Uint32(data[5:9])
omci.NumberOfCircuitPacks = data[9]
if omci.NumberOfCircuitPacks < 1 || omci.NumberOfCircuitPacks > 9 {
return me.NewProcessingError(fmt.Sprintf("invalid number of Circuit Packs: %v, must be 1..9",
omci.NumberOfCircuitPacks))
}
omci.CircuitPacks = make([]uint16, omci.NumberOfCircuitPacks)
for index := 0; index < int(omci.NumberOfCircuitPacks); index++ {
omci.CircuitPacks[index] = binary.BigEndian.Uint16(data[10+(index*2):])
}
return nil
}
func decodeStartSoftwareDownloadRequest(data []byte, p gopacket.PacketBuilder) error {
omci := &StartSoftwareDownloadRequest{}
omci.MsgLayerType = LayerTypeStartSoftwareDownloadRequest
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an Start Software Download Request message
func (omci *StartSoftwareDownloadRequest) SerializeTo(b gopacket.SerializeBuffer, opts 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 Start Software Download
if !me.SupportsMsgType(entity, me.StartSoftwareDownload) {
return me.NewProcessingError("managed entity does not support the SStart Software Download Message-Type")
}
// Software Image Entity Class are always use the Software Image
if omci.EntityClass != me.SoftwareImageClassID {
return me.NewProcessingError("invalid Entity Class for Start Software Download request")
}
if omci.NumberOfCircuitPacks < 1 || omci.NumberOfCircuitPacks > 9 {
return me.NewProcessingError(fmt.Sprintf("invalid number of Circuit Packs: %v, must be 1..9",
omci.NumberOfCircuitPacks))
}
bytes, err := b.AppendBytes(6 + (2 * int(omci.NumberOfCircuitPacks)))
if err != nil {
return err
}
bytes[0] = omci.WindowSize
binary.BigEndian.PutUint32(bytes[1:], omci.ImageSize)
bytes[5] = omci.NumberOfCircuitPacks
for index := 0; index < int(omci.NumberOfCircuitPacks); index++ {
binary.BigEndian.PutUint16(bytes[6+(index*2):], omci.CircuitPacks[index])
}
return nil
}
/////////////////////////////////////////////////////////////////////////////
//
type downloadResults struct {
ManagedEntityID uint16 // ME ID of software image entity instance (slot number plus instance 0..1 or 2..254 vendor-specific)
Result me.Results
}
func (dr *downloadResults) String() string {
return fmt.Sprintf("ME: %v (%#x), Results: %d (%v)", dr.ManagedEntityID, dr.ManagedEntityID,
dr.Result, dr.Result)
}
type StartSoftwareDownloadResponse struct {
MeBasePacket // Note: EntityInstance for software download is two specific values
Result me.Results
WindowSize byte // Window Size -1
NumberOfInstances byte
MeResults []downloadResults
}
func (omci *StartSoftwareDownloadResponse) String() string {
return fmt.Sprintf("%v, Results: %v, Window Size: %v, # of Instances: %v, ME Results: %v",
omci.MeBasePacket.String(), omci.Result, omci.WindowSize, omci.NumberOfInstances, omci.MeResults)
}
// DecodeFromBytes decodes the given bytes of a Start Software Download Response into this layer
func (omci *StartSoftwareDownloadResponse) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
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 Start Software Download
if !me.SupportsMsgType(meDefinition, me.StartSoftwareDownload) {
return me.NewProcessingError("managed entity does not support Start Software Download Message-Type")
}
// Software Image Entity Class are always use the Software Image
if omci.EntityClass != me.SoftwareImageClassID {
return me.NewProcessingError("invalid Entity Class for Start Software Download response")
}
omci.Result = me.Results(data[4])
if omci.Result > me.DeviceBusy {
msg := fmt.Sprintf("invalid results for Start Software Download response: %v, must be 0..6",
omci.Result)
return errors.New(msg)
}
omci.WindowSize = data[5]
omci.NumberOfInstances = data[6]
if omci.NumberOfInstances > 9 {
msg := fmt.Sprintf("invalid number of Circuit Packs: %v, must be 0..9",
omci.NumberOfInstances)
return errors.New(msg)
}
if omci.NumberOfInstances > 0 {
omci.MeResults = make([]downloadResults, omci.NumberOfInstances)
for index := 0; index < int(omci.NumberOfInstances); index++ {
omci.MeResults[index].ManagedEntityID = binary.BigEndian.Uint16(data[7+(index*3):])
omci.MeResults[index].Result = me.Results(data[9+(index*3)])
if omci.MeResults[index].Result > me.DeviceBusy {
msg := fmt.Sprintf("invalid results for Start Software Download instance %v response: %v, must be 0..6",
index, omci.MeResults[index])
return errors.New(msg)
}
}
}
return nil
}
func decodeStartSoftwareDownloadResponse(data []byte, p gopacket.PacketBuilder) error {
omci := &StartSoftwareDownloadResponse{}
omci.MsgLayerType = LayerTypeStartSoftwareDownloadResponse
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an Start Software Download Response message
func (omci *StartSoftwareDownloadResponse) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
// Basic (common) OMCI Header is 8 octets, 10
err := omci.MeBasePacket.SerializeTo(b)
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 Start Software Download
if !me.SupportsMsgType(meDefinition, me.StartSoftwareDownload) {
return me.NewProcessingError("managed entity does not support Start Software Download Message-Type")
}
// Software Image Entity Class are always use the Software Image
if omci.EntityClass != me.SoftwareImageClassID {
return me.NewProcessingError("invalid Entity Class for Start Software Download response")
}
bytes, err := b.AppendBytes(3 + (3 * int(omci.NumberOfInstances)))
if err != nil {
return err
}
if omci.Result > me.DeviceBusy {
msg := fmt.Sprintf("invalid results for Start Software Download response: %v, must be 0..6",
omci.Result)
return errors.New(msg)
}
bytes[0] = byte(omci.Result)
bytes[1] = omci.WindowSize
bytes[2] = omci.NumberOfInstances
if omci.NumberOfInstances > 9 {
msg := fmt.Sprintf("invalid number of Circuit Packs: %v, must be 0..9",
omci.NumberOfInstances)
return errors.New(msg)
}
if omci.NumberOfInstances > 0 {
for index := 0; index < int(omci.NumberOfInstances); index++ {
binary.BigEndian.PutUint16(bytes[3+(3*index):], omci.MeResults[index].ManagedEntityID)
if omci.MeResults[index].Result > me.DeviceBusy {
msg := fmt.Sprintf("invalid results for Start Software Download instance %v response: %v, must be 0..6",
index, omci.MeResults[index])
return errors.New(msg)
}
bytes[5+(3*index)] = byte(omci.MeResults[index].Result)
}
}
return nil
}
/////////////////////////////////////////////////////////////////////////////
//
type DownloadSectionRequest struct {
MeBasePacket // Note: EntityInstance for software download is two specific values
SectionNumber byte
SectionData [31]byte // 0 padding if final transfer requires only a partial block
}
func (omci *DownloadSectionRequest) String() string {
return fmt.Sprintf("%v, Section #: %v",
omci.MeBasePacket.String(), omci.SectionNumber)
}
// DecodeFromBytes decodes the given bytes of a Download Section Request into this layer
func (omci *DownloadSectionRequest) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
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 Download section
if !me.SupportsMsgType(meDefinition, me.DownloadSection) {
return me.NewProcessingError("managed entity does not support Download Section Message-Type")
}
// Software Image Entity Class are always use the Software Image
if omci.EntityClass != me.SoftwareImageClassID {
return me.NewProcessingError("invalid Entity Class for Download Section request")
}
omci.SectionNumber = data[4]
copy(omci.SectionData[0:], data[5:])
return nil
}
func decodeDownloadSectionRequest(data []byte, p gopacket.PacketBuilder) error {
omci := &DownloadSectionRequest{}
omci.MsgLayerType = LayerTypeDownloadSectionRequest
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an Download Section Request message
func (omci *DownloadSectionRequest) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
// Basic (common) OMCI Header is 8 octets, 10
err := omci.MeBasePacket.SerializeTo(b)
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 Download section
if !me.SupportsMsgType(meDefinition, me.DownloadSection) {
return me.NewProcessingError("managed entity does not support Download Section Message-Type")
}
// Software Image Entity Class are always use the Software Image
if omci.EntityClass != me.SoftwareImageClassID {
return me.NewProcessingError("invalid Entity Class for Download Section response")
}
bytes, err := b.AppendBytes(1 + len(omci.SectionData))
if err != nil {
return err
}
bytes[0] = omci.SectionNumber
copy(bytes[1:], omci.SectionData[0:])
return nil
}
/////////////////////////////////////////////////////////////////////////////
//
type DownloadSectionResponse struct {
MeBasePacket // Note: EntityInstance for software download is two specific values
Result me.Results
SectionNumber byte
}
func (omci *DownloadSectionResponse) String() string {
return fmt.Sprintf("%v, Result: %d (%v), Section #: %v",
omci.MeBasePacket.String(), omci.Result, omci.Result, omci.SectionNumber)
}
// DecodeFromBytes decodes the given bytes of a Download Section Response into this layer
func (omci *DownloadSectionResponse) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
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 Download section
if !me.SupportsMsgType(meDefinition, me.DownloadSection) {
return me.NewProcessingError("managed entity does not support Download Section Message-Type")
}
// Software Image Entity Class are always use the Software Image
if omci.EntityClass != me.SoftwareImageClassID {
return me.NewProcessingError("invalid Entity Class for Download Section response")
}
omci.Result = me.Results(data[4])
if omci.Result > me.DeviceBusy {
msg := fmt.Sprintf("invalid results for Download Section response: %v, must be 0..6",
omci.Result)
return errors.New(msg)
}
omci.SectionNumber = data[5]
return nil
}
func decodeDownloadSectionResponse(data []byte, p gopacket.PacketBuilder) error {
omci := &DownloadSectionResponse{}
omci.MsgLayerType = LayerTypeDownloadSectionResponse
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an Download Section Response message
func (omci *DownloadSectionResponse) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
// Basic (common) OMCI Header is 8 octets, 10
err := omci.MeBasePacket.SerializeTo(b)
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 Download section
if !me.SupportsMsgType(meDefinition, me.DownloadSection) {
return me.NewProcessingError("managed entity does not support Download Section Message-Type")
}
// Software Image Entity Class are always use the Software Image
if omci.EntityClass != me.SoftwareImageClassID {
return me.NewProcessingError("invalid Entity Class for Download Section response")
}
bytes, err := b.AppendBytes(2)
if err != nil {
return err
}
bytes[0] = omci.SectionNumber
if omci.Result > me.DeviceBusy {
msg := fmt.Sprintf("invalid results for Download Section response: %v, must be 0..6",
omci.Result)
return errors.New(msg)
}
bytes[1] = byte(omci.Result)
return nil
}
/////////////////////////////////////////////////////////////////////////////
//
type EndSoftwareDownloadRequest struct {
MeBasePacket // Note: EntityInstance for software download is two specific values
CRC32 uint32
ImageSize uint32
NumberOfInstances byte
ImageInstances []uint16
}
func (omci *EndSoftwareDownloadRequest) String() string {
return fmt.Sprintf("%v, CRC: %#x, Image Size: %v, Number of Instances: %v, Instances: %v",
omci.MeBasePacket.String(), omci.CRC32, omci.ImageSize, omci.NumberOfInstances, omci.ImageInstances)
}
// DecodeFromBytes decodes the given bytes of an End Software Download Request into this layer
func (omci *EndSoftwareDownloadRequest) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
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 End Software Download
if !me.SupportsMsgType(meDefinition, me.EndSoftwareDownload) {
return me.NewProcessingError("managed entity does not support End Software Download Message-Type")
}
// Software Image Entity Class are always use the Software Image
if omci.EntityClass != me.SoftwareImageClassID {
return me.NewProcessingError("invalid Entity Class for End Software Download request")
}
omci.CRC32 = binary.BigEndian.Uint32(data[4:8])
omci.ImageSize = binary.BigEndian.Uint32(data[8:12])
omci.NumberOfInstances = data[13]
if omci.NumberOfInstances < 1 || omci.NumberOfInstances > 9 {
return me.NewProcessingError(fmt.Sprintf("invalid number of Instances: %v, must be 1..9",
omci.NumberOfInstances))
}
omci.ImageInstances = make([]uint16, omci.NumberOfInstances)
for index := 0; index < int(omci.NumberOfInstances); index++ {
omci.ImageInstances[index] = binary.BigEndian.Uint16(data[14+(index*2):])
}
return nil
}
func decodeEndSoftwareDownloadRequest(data []byte, p gopacket.PacketBuilder) error {
omci := &EndSoftwareDownloadRequest{}
omci.MsgLayerType = LayerTypeEndSoftwareDownloadRequest
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an End Software Download Request message
func (omci *EndSoftwareDownloadRequest) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
// Basic (common) OMCI Header is 8 octets, 10
err := omci.MeBasePacket.SerializeTo(b)
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 End Software Download
if !me.SupportsMsgType(meDefinition, me.EndSoftwareDownload) {
return me.NewProcessingError("managed entity does not support Start End Download Message-Type")
}
// Software Image Entity Class are always use the Software Image
if omci.EntityClass != me.SoftwareImageClassID {
return me.NewProcessingError("invalid Entity Class for End Software Download response")
}
if omci.NumberOfInstances < 1 || omci.NumberOfInstances > 9 {
return me.NewProcessingError(fmt.Sprintf("invalid number of Instances: %v, must be 1..9",
omci.NumberOfInstances))
}
bytes, err := b.AppendBytes(9 + (2 * int(omci.NumberOfInstances)))
if err != nil {
return err
}
binary.BigEndian.PutUint32(bytes[4:8], omci.CRC32)
binary.BigEndian.PutUint32(bytes[8:12], omci.ImageSize)
bytes[13] = omci.NumberOfInstances
for index := 0; index < int(omci.NumberOfInstances); index++ {
binary.BigEndian.PutUint16(bytes[14+(index*2):], omci.ImageInstances[index])
}
return nil
}
/////////////////////////////////////////////////////////////////////////////
//
type EndSoftwareDownloadResponse struct {
MeBasePacket // Note: EntityInstance for software download is two specific values
Result me.Results
NumberOfInstances byte
MeResults []downloadResults
}
func (omci *EndSoftwareDownloadResponse) String() string {
return fmt.Sprintf("%v, Result: %d (%v), Number of Instances: %v, ME Results: %v",
omci.MeBasePacket.String(), omci.Result, omci.Result, omci.NumberOfInstances, omci.MeResults)
}
// DecodeFromBytes decodes the given bytes of an End Software Download Response into this layer
func (omci *EndSoftwareDownloadResponse) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
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 End Software Download
if !me.SupportsMsgType(meDefinition, me.EndSoftwareDownload) {
return me.NewProcessingError("managed entity does not support End Software Download Message-Type")
}
// Software Image Entity Class are always use the Software Image
if omci.EntityClass != me.SoftwareImageClassID {
return me.NewProcessingError("invalid Entity Class for End Software Download response")
}
omci.Result = me.Results(data[4])
if omci.Result > me.DeviceBusy {
msg := fmt.Sprintf("invalid results for End Software Download response: %v, must be 0..6",
omci.Result)
return errors.New(msg)
}
omci.NumberOfInstances = data[5]
if omci.NumberOfInstances > 9 {
msg := fmt.Sprintf("invalid number of Instances: %v, must be 0..9",
omci.NumberOfInstances)
return errors.New(msg)
}
if omci.NumberOfInstances > 0 {
omci.MeResults = make([]downloadResults, omci.NumberOfInstances)
for index := 0; index < int(omci.NumberOfInstances); index++ {
omci.MeResults[index].ManagedEntityID = binary.BigEndian.Uint16(data[6+(index*3):])
omci.MeResults[index].Result = me.Results(data[8+(index*3)])
if omci.MeResults[index].Result > me.DeviceBusy {
msg := fmt.Sprintf("invalid results for End Software Download instance %v response: %v, must be 0..6",
index, omci.MeResults[index])
return errors.New(msg)
}
}
}
return nil
}
func decodeEndSoftwareDownloadResponse(data []byte, p gopacket.PacketBuilder) error {
omci := &EndSoftwareDownloadResponse{}
omci.MsgLayerType = LayerTypeEndSoftwareDownloadResponse
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an End Software Download Response message
func (omci *EndSoftwareDownloadResponse) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
// Basic (common) OMCI Header is 8 octets, 10
err := omci.MeBasePacket.SerializeTo(b)
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 End Software Download
if !me.SupportsMsgType(meDefinition, me.EndSoftwareDownload) {
return me.NewProcessingError("managed entity does not support End End Download Message-Type")
}
// Software Image Entity Class are always use the Software Image
if omci.EntityClass != me.SoftwareImageClassID {
return me.NewProcessingError("invalid Entity Class for End Download response")
}
bytes, err := b.AppendBytes(3 + (3 * int(omci.NumberOfInstances)))
if err != nil {
return err
}
if omci.Result > me.DeviceBusy {
msg := fmt.Sprintf("invalid results for End Software Download response: %v, must be 0..6",
omci.Result)
return errors.New(msg)
}
bytes[0] = byte(omci.Result)
bytes[1] = omci.NumberOfInstances
if omci.NumberOfInstances > 9 {
msg := fmt.Sprintf("invalid number of Instances: %v, must be 0..9",
omci.NumberOfInstances)
return errors.New(msg)
}
if omci.NumberOfInstances > 0 {
for index := 0; index < int(omci.NumberOfInstances); index++ {
binary.BigEndian.PutUint16(bytes[2+(3*index):], omci.MeResults[index].ManagedEntityID)
if omci.MeResults[index].Result > me.DeviceBusy {
msg := fmt.Sprintf("invalid results for End Software Download instance %v response: %v, must be 0..6",
index, omci.MeResults[index])
return errors.New(msg)
}
bytes[4+(3*index)] = byte(omci.MeResults[index].Result)
}
}
return nil
}
/////////////////////////////////////////////////////////////////////////////
//
type ActivateSoftwareRequest struct {
MeBasePacket // Note: EntityInstance for software download is two specific values
ActivateFlags byte
}
func (omci *ActivateSoftwareRequest) String() string {
return fmt.Sprintf("%v, Flags: %#x",
omci.MeBasePacket.String(), omci.ActivateFlags)
}
// DecodeFromBytes decodes the given bytes of an Activate Software Request into this layer
func (omci *ActivateSoftwareRequest) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
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 End Software Download
if !me.SupportsMsgType(meDefinition, me.ActivateSoftware) {
return me.NewProcessingError("managed entity does not support Activate Software Message-Type")
}
// Software Image Entity Class are always use the Software Image
if omci.EntityClass != me.SoftwareImageClassID {
return me.NewProcessingError("invalid Entity Class for Activate Software request")
}
omci.ActivateFlags = data[4]
if omci.ActivateFlags > 2 {
return me.NewProcessingError(fmt.Sprintf("invalid number of Activation flangs: %v, must be 0..2",
omci.ActivateFlags))
}
return nil
}
func decodeActivateSoftwareRequest(data []byte, p gopacket.PacketBuilder) error {
omci := &ActivateSoftwareRequest{}
omci.MsgLayerType = LayerTypeActivateSoftwareRequest
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an Activate Software message
func (omci *ActivateSoftwareRequest) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
// Basic (common) OMCI Header is 8 octets, 10
err := omci.MeBasePacket.SerializeTo(b)
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 End Software Download
if !me.SupportsMsgType(meDefinition, me.ActivateSoftware) {
return me.NewProcessingError("managed entity does not support Activate Message-Type")
}
// Software Image Entity Class are always use the Software Image
if omci.EntityClass != me.SoftwareImageClassID {
return me.NewProcessingError("invalid Entity Class for Activate Software request")
}
bytes, err := b.AppendBytes(1)
if err != nil {
return err
}
bytes[0] = omci.ActivateFlags
if omci.ActivateFlags > 2 {
msg := fmt.Sprintf("invalid results for Activate Software request: %v, must be 0..2",
omci.ActivateFlags)
return errors.New(msg)
}
return nil
}
/////////////////////////////////////////////////////////////////////////////
//
type ActivateSoftwareResponse struct {
MeBasePacket
Result me.Results
}
func (omci *ActivateSoftwareResponse) String() string {
return fmt.Sprintf("%v, Result: %d (%v)",
omci.MeBasePacket.String(), omci.Result, omci.Result)
}
// DecodeFromBytes decodes the given bytes of an Activate Softwre Response into this layer
func (omci *ActivateSoftwareResponse) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
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 End Software Download
if !me.SupportsMsgType(meDefinition, me.ActivateSoftware) {
return me.NewProcessingError("managed entity does not support Activate Software Message-Type")
}
// Software Image Entity Class are always use the Software Image
if omci.EntityClass != me.SoftwareImageClassID {
return me.NewProcessingError("invalid Entity Class for Activate Software response")
}
omci.Result = me.Results(data[4])
if omci.Result > me.Results(6) {
msg := fmt.Sprintf("invalid results for Activate Software response: %v, must be 0..6",
omci.Result)
return errors.New(msg)
}
return nil
}
func decodeActivateSoftwareResponse(data []byte, p gopacket.PacketBuilder) error {
omci := &ActivateSoftwareResponse{}
omci.MsgLayerType = LayerTypeActivateSoftwareResponse
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an Activate Software Response message
func (omci *ActivateSoftwareResponse) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
// Basic (common) OMCI Header is 8 octets, 10
err := omci.MeBasePacket.SerializeTo(b)
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 End Software Download
if !me.SupportsMsgType(meDefinition, me.ActivateSoftware) {
return me.NewProcessingError("managed entity does not support Activate Message-Type")
}
// Software Image Entity Class are always use the Software Image
if omci.EntityClass != me.SoftwareImageClassID {
return me.NewProcessingError("invalid Entity Class for Activate Software response")
}
bytes, err := b.AppendBytes(1)
if err != nil {
return err
}
bytes[0] = byte(omci.Result)
if omci.Result > me.Results(6) {
msg := fmt.Sprintf("invalid results for Activate Software response: %v, must be 0..6",
omci.Result)
return errors.New(msg)
}
return nil
}
/////////////////////////////////////////////////////////////////////////////
//
type CommitSoftwareRequest struct {
MeBasePacket
}
func (omci *CommitSoftwareRequest) String() string {
return fmt.Sprintf("%v", omci.MeBasePacket.String())
}
// DecodeFromBytes decodes the given bytes of a Commit Software Request into this layer
func (omci *CommitSoftwareRequest) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
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 End Software Download
if !me.SupportsMsgType(meDefinition, me.CommitSoftware) {
return me.NewProcessingError("managed entity does not support Commit Software Message-Type")
}
// Software Image Entity Class are always use the Software Image
if omci.EntityClass != me.SoftwareImageClassID {
return me.NewProcessingError("invalid Entity Class for Commit Software request")
}
return nil
}
func decodeCommitSoftwareRequest(data []byte, p gopacket.PacketBuilder) error {
omci := &CommitSoftwareRequest{}
omci.MsgLayerType = LayerTypeCommitSoftwareRequest
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an Commit Software Request message
func (omci *CommitSoftwareRequest) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
// Basic (common) OMCI Header is 8 octets, 10
err := omci.MeBasePacket.SerializeTo(b)
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 End Software Download
if !me.SupportsMsgType(meDefinition, me.CommitSoftware) {
return me.NewProcessingError("managed entity does not support Commit Message-Type")
}
// Software Image Entity Class are always use the Software Image
if omci.EntityClass != me.SoftwareImageClassID {
return me.NewProcessingError("invalid Entity Class for Commit Software request")
}
return nil
}
/////////////////////////////////////////////////////////////////////////////
//
type CommitSoftwareResponse struct {
MeBasePacket
}
func (omci *CommitSoftwareResponse) String() string {
return fmt.Sprintf("%v", omci.MeBasePacket.String())
}
// DecodeFromBytes decodes the given bytes of a Commit Softwar Response into this layer
func (omci *CommitSoftwareResponse) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
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 End Software Download
if !me.SupportsMsgType(meDefinition, me.CommitSoftware) {
return me.NewProcessingError("managed entity does not support Commit Software Message-Type")
}
// Software Image Entity Class are always use the Software Image
if omci.EntityClass != me.SoftwareImageClassID {
return me.NewProcessingError("invalid Entity Class for Commit Software response")
}
return nil
}
func decodeCommitSoftwareResponse(data []byte, p gopacket.PacketBuilder) error {
omci := &CommitSoftwareResponse{}
omci.MsgLayerType = LayerTypeCommitSoftwareResponse
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an Commit Software Response message
func (omci *CommitSoftwareResponse) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
// Basic (common) OMCI Header is 8 octets, 10
err := omci.MeBasePacket.SerializeTo(b)
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 End Software Download
if !me.SupportsMsgType(meDefinition, me.CommitSoftware) {
return me.NewProcessingError("managed entity does not support Commit Message-Type")
}
// Software Image Entity Class are always use the Software Image
if omci.EntityClass != me.SoftwareImageClassID {
return me.NewProcessingError("invalid Entity Class for Commit Software response")
}
return nil
}
/////////////////////////////////////////////////////////////////////////////
//
type SynchronizeTimeRequest struct {
MeBasePacket
Year uint16
Month uint8
Day uint8
Hour uint8
Minute uint8
Second uint8
}
func (omci *SynchronizeTimeRequest) String() string {
return fmt.Sprintf("%v, Date-Time: %d/%d/%d-%02d:%02d:%02d",
omci.MeBasePacket.String(), omci.Year, omci.Month, omci.Day, omci.Hour, omci.Minute, omci.Second)
}
// DecodeFromBytes decodes the given bytes of a Synchronize Time Request into this layer
func (omci *SynchronizeTimeRequest) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
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 Synchronize Time
if !me.SupportsMsgType(meDefinition, me.SynchronizeTime) {
return me.NewProcessingError("managed entity does not support Synchronize Time Message-Type")
}
// Synchronize Time Entity Class are always ONU-G (256) and Entity Instance of 0
if omci.EntityClass != me.OnuGClassID {
return me.NewProcessingError("invalid Entity Class for Synchronize Time request")
}
if omci.EntityInstance != 0 {
return me.NewUnknownInstanceError("invalid Entity Instance for Synchronize Time request")
}
omci.Year = binary.BigEndian.Uint16(data[4:6])
omci.Month = data[6]
omci.Day = data[7]
omci.Hour = data[8]
omci.Minute = data[9]
omci.Second = data[10]
return nil
}
func decodeSynchronizeTimeRequest(data []byte, p gopacket.PacketBuilder) error {
omci := &SynchronizeTimeRequest{}
omci.MsgLayerType = LayerTypeSynchronizeTimeRequest
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an Synchronize Time Request message
func (omci *SynchronizeTimeRequest) SerializeTo(b gopacket.SerializeBuffer, opts 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 Synchronize Time
if !me.SupportsMsgType(entity, me.SynchronizeTime) {
return me.NewProcessingError("managed entity does not support the Synchronize Time Message-Type")
}
bytes, err := b.AppendBytes(7)
if err != nil {
return err
}
binary.BigEndian.PutUint16(bytes[0:2], omci.Year)
bytes[2] = omci.Month
bytes[3] = omci.Day
bytes[4] = omci.Hour
bytes[5] = omci.Minute
bytes[6] = omci.Second
return nil
}
/////////////////////////////////////////////////////////////////////////////
//
type SynchronizeTimeResponse struct {
MeBasePacket
Result me.Results
SuccessResults uint8 // Only if 'Result' is 0 -> success
}
func (omci *SynchronizeTimeResponse) String() string {
return fmt.Sprintf("%v, Results: %d (%v), Success: %d",
omci.MeBasePacket.String(), omci.Result, omci.Result, omci.SuccessResults)
}
// DecodeFromBytes decodes the given bytes of a Synchronize Time Response into this layer
func (omci *SynchronizeTimeResponse) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
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 Synchronize Time
if !me.SupportsMsgType(meDefinition, me.SynchronizeTime) {
return me.NewProcessingError("managed entity does not support Synchronize Time Message-Type")
}
// Synchronize Time Entity Class are always ONU-G (256) and Entity Instance of 0
if omci.EntityClass != me.OnuGClassID {
return me.NewProcessingError("invalid Entity Class for Synchronize Time response")
}
if omci.EntityInstance != 0 {
return me.NewUnknownInstanceError("invalid Entity Instance for Synchronize Time response")
}
omci.Result = me.Results(data[4])
if omci.Result > me.DeviceBusy {
msg := fmt.Sprintf("invalid results code: %v, must be 0..8", omci.Result)
return errors.New(msg)
}
omci.SuccessResults = data[5]
return nil
}
func decodeSynchronizeTimeResponse(data []byte, p gopacket.PacketBuilder) error {
omci := &SynchronizeTimeResponse{}
omci.MsgLayerType = LayerTypeSynchronizeTimeResponse
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an Synchronize Time Response message
func (omci *SynchronizeTimeResponse) SerializeTo(b gopacket.SerializeBuffer, opts 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()
}
// Synchronize Time Entity Class are always ONU DATA (2) and Entity Instance of 0
if omci.EntityClass != me.OnuGClassID {
return me.NewProcessingError("invalid Entity Class for Synchronize Time response")
}
if omci.EntityInstance != 0 {
return me.NewUnknownInstanceError("invalid Entity Instance for Synchronize Time response")
}
// ME needs to support Synchronize Time
if !me.SupportsMsgType(entity, me.SynchronizeTime) {
return me.NewProcessingError("managed entity does not support the Synchronize Time Message-Type")
}
numBytes := 2
if omci.Result != me.Success {
numBytes = 1
}
bytes, err := b.AppendBytes(numBytes)
if err != nil {
return err
}
bytes[0] = uint8(omci.Result)
if omci.Result == me.Success {
bytes[1] = omci.SuccessResults
}
return nil
}
/////////////////////////////////////////////////////////////////////////////
//
type RebootRequest struct {
MeBasePacket
RebootCondition byte
}
func (omci *RebootRequest) String() string {
return fmt.Sprintf("%v, Reboot Condition: %v",
omci.MeBasePacket.String(), omci.RebootCondition)
}
// DecodeFromBytes decodes the given bytes of a Reboot Request into this layer
func (omci *RebootRequest) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
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 Reboot
if !me.SupportsMsgType(meDefinition, me.Reboot) {
return me.NewProcessingError("managed entity does not support Reboot Message-Type")
}
omci.RebootCondition = data[4]
if omci.RebootCondition > 3 {
msg := fmt.Sprintf("invalid reboot condition code: %v, must be 0..3", omci.RebootCondition)
return errors.New(msg)
}
return nil
}
func decodeRebootRequest(data []byte, p gopacket.PacketBuilder) error {
omci := &RebootRequest{}
omci.MsgLayerType = LayerTypeRebootRequest
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an Reboot Request message
func (omci *RebootRequest) SerializeTo(b gopacket.SerializeBuffer, opts 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 Reboot
if !me.SupportsMsgType(entity, me.Reboot) {
return me.NewProcessingError("managed entity does not support the Synchronize Time Message-Type")
}
bytes, err := b.AppendBytes(1)
if err != nil {
return err
}
if omci.RebootCondition > 3 {
return me.NewProcessingError(fmt.Sprintf("invalid reboot condition code: %v, must be 0..3",
omci.RebootCondition))
}
bytes[0] = omci.RebootCondition
return nil
}
/////////////////////////////////////////////////////////////////////////////
//
type RebootResponse struct {
MeBasePacket
Result me.Results
}
// DecodeFromBytes decodes the given bytes of a Reboot Response into this layer
func (omci *RebootResponse) String() string {
return fmt.Sprintf("%v, Result: %d (%v)",
omci.MeBasePacket.String(), omci.Result, omci.Result)
}
// DecodeFromBytes decodes the given bytes of a Reboot Response into this layer
func (omci *RebootResponse) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
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 Reboot
if !me.SupportsMsgType(meDefinition, me.Reboot) {
return me.NewProcessingError("managed entity does not support Reboot Message-Type")
}
if omci.Result > 6 {
msg := fmt.Sprintf("invalid reboot results code: %v, must be 0..6", omci.Result)
return errors.New(msg)
}
omci.Result = me.Results(data[4])
return nil
}
func decodeRebootResponse(data []byte, p gopacket.PacketBuilder) error {
omci := &RebootResponse{}
omci.MsgLayerType = LayerTypeRebootResponse
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an Reboot Response message
func (omci *RebootResponse) SerializeTo(b gopacket.SerializeBuffer, opts 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 Reboot
if !me.SupportsMsgType(entity, me.Reboot) {
return me.NewProcessingError("managed entity does not support the Synchronize Time Message-Type")
}
bytes, err := b.AppendBytes(1)
if err != nil {
return err
}
if omci.Result > 6 {
msg := fmt.Sprintf("invalid reboot results code: %v, must be 0..6", omci.Result)
return errors.New(msg)
}
bytes[0] = byte(omci.Result)
return nil
}
/////////////////////////////////////////////////////////////////////////////
//
type GetNextRequest struct {
MeBasePacket
AttributeMask uint16
SequenceNumber uint16
}
func (omci *GetNextRequest) String() string {
return fmt.Sprintf("%v, Attribute Mask: %#x, Sequence Number: %v",
omci.MeBasePacket.String(), omci.AttributeMask, omci.SequenceNumber)
}
// DecodeFromBytes decodes the given bytes of a Get Next Request into this layer
func (omci *GetNextRequest) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
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 GetNext
if !me.SupportsMsgType(meDefinition, me.GetNext) {
return me.NewProcessingError("managed entity does not support Get Next Message-Type")
}
// Note: G.988 specifies that an error code of (3) should result if more
// than one attribute is requested
// TODO: Return error. Have flag to optionally allow it to be encoded
// TODO: Check that the attribute is a table attirbute. Issue warning or return error
omci.AttributeMask = binary.BigEndian.Uint16(data[4:6])
omci.SequenceNumber = binary.BigEndian.Uint16(data[6:8])
return nil
}
func decodeGetNextRequest(data []byte, p gopacket.PacketBuilder) error {
omci := &GetNextRequest{}
omci.MsgLayerType = LayerTypeGetNextRequest
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an Get Next Message Type Request
func (omci *GetNextRequest) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
// Basic (common) OMCI Header is 8 octets, 10
err := omci.MeBasePacket.SerializeTo(b)
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 GetNext
if !me.SupportsMsgType(meDefinition, me.GetNext) {
return me.NewProcessingError("managed entity does not support Get Next Message-Type")
}
bytes, err := b.AppendBytes(4)
if err != nil {
return err
}
binary.BigEndian.PutUint16(bytes, omci.AttributeMask)
binary.BigEndian.PutUint16(bytes[2:], omci.SequenceNumber)
return nil
}
/////////////////////////////////////////////////////////////////////////////
//
type GetNextResponse struct {
MeBasePacket
Result me.Results
AttributeMask uint16
Attributes me.AttributeValueMap
}
// SerializeTo provides serialization of an Get Next Message Type Response
func (omci *GetNextResponse) String() string {
return fmt.Sprintf("%v, Result: %v, Attribute Mask: %#x, Attributes: %v",
omci.MeBasePacket.String(), omci.Result, omci.AttributeMask, omci.Attributes)
}
// DecodeFromBytes decodes the given bytes of a Get Next Response into this layer
func (omci *GetNextResponse) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
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 Set
if !me.SupportsMsgType(meDefinition, me.GetNext) {
return me.NewProcessingError("managed entity does not support Get Next Message-Type")
}
omci.Result = me.Results(data[4])
if omci.Result > 6 {
msg := fmt.Sprintf("invalid get next results code: %v, must be 0..6", omci.Result)
return errors.New(msg)
}
omci.AttributeMask = binary.BigEndian.Uint16(data[5:7])
// Attribute decode
omci.Attributes, err = meDefinition.DecodeAttributes(omci.AttributeMask, data[7:], p, byte(GetNextResponseType))
if err != nil {
return err
}
// Validate all attributes support read
for attrName := range omci.Attributes {
attr, err := me.GetAttributeDefinitionByName(meDefinition.GetAttributeDefinitions(), attrName)
if err != nil {
return err
}
if attr.Index != 0 && !me.SupportsAttributeAccess(*attr, me.Read) {
msg := fmt.Sprintf("attribute '%v' does not support read access", attrName)
return me.NewProcessingError(msg)
}
}
if eidDef, eidDefOK := meDefinition.GetAttributeDefinitions()[0]; eidDefOK {
omci.Attributes[eidDef.GetName()] = omci.EntityInstance
return nil
}
panic("All Managed Entities have an EntityID attribute")
}
func decodeGetNextResponse(data []byte, p gopacket.PacketBuilder) error {
omci := &GetNextResponse{}
omci.MsgLayerType = LayerTypeGetNextResponse
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an Get Next Message Type Response
func (omci *GetNextResponse) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
// Basic (common) OMCI Header is 8 octets, 10
err := omci.MeBasePacket.SerializeTo(b)
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 Get
if !me.SupportsMsgType(meDefinition, me.GetNext) {
return me.NewProcessingError("managed entity does not support the Get Next Message-Type")
}
bytes, err := b.AppendBytes(3)
if err != nil {
return err
}
bytes[0] = byte(omci.Result)
if omci.Result > 6 {
msg := fmt.Sprintf("invalid get next results code: %v, must be 0..6", omci.Result)
return errors.New(msg)
}
binary.BigEndian.PutUint16(bytes[1:3], omci.AttributeMask)
// Validate all attributes support read
for attrName := range omci.Attributes {
attr, err := me.GetAttributeDefinitionByName(meDefinition.GetAttributeDefinitions(), attrName)
if err != nil {
return err
}
if attr.Index != 0 && !me.SupportsAttributeAccess(*attr, me.Read) {
msg := fmt.Sprintf("attribute '%v' does not support read access", attrName)
return me.NewProcessingError(msg)
}
}
// Attribute serialization
switch omci.Result {
default:
break
case me.Success:
// TODO: Only Baseline supported at this time
bytesAvailable := MaxBaselineLength - 11 - 8
err, _ = meDefinition.SerializeAttributes(omci.Attributes, omci.AttributeMask, b,
byte(GetNextResponseType), bytesAvailable, false)
if err != nil {
return err
}
}
return nil
}
/////////////////////////////////////////////////////////////////////////////
//
type TestResultMsg struct {
MeBasePacket
}
func (omci *TestResultMsg) String() string {
return fmt.Sprintf("%v", omci.MeBasePacket.String())
}
// DecodeFromBytes decodes the given bytes of a Test Result Notification into this layer
func (omci *TestResultMsg) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
if err != nil {
return err
}
return errors.New("need to implement") // TODO: Fix me) // return nil
}
func decodeTestResult(data []byte, p gopacket.PacketBuilder) error {
omci := &TestResultMsg{}
omci.MsgLayerType = LayerTypeTestResult
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an Test Result notification message
func (omci *TestResultMsg) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
// Basic (common) OMCI Header is 8 octets, 10
err := omci.MeBasePacket.SerializeTo(b)
if err != nil {
return err
}
return errors.New("need to implement") // TODO: Fix me) // omci.cachedME.SerializeTo(mask, b)
}
/////////////////////////////////////////////////////////////////////////////
//
type GetCurrentDataRequest struct {
MeBasePacket
AttributeMask uint16
}
func (omci *GetCurrentDataRequest) String() string {
return fmt.Sprintf("%v, Attribute Mask: %#x",
omci.MeBasePacket.String(), omci.AttributeMask)
}
// DecodeFromBytes decodes the given bytes of a Get Current Data Request into this layer
func (omci *GetCurrentDataRequest) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
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 GetNext
if !me.SupportsMsgType(meDefinition, me.GetCurrentData) {
return me.NewProcessingError("managed entity does not support Get Current Data Message-Type")
}
// Note: G.988 specifies that an error code of (3) should result if more
// than one attribute is requested
omci.AttributeMask = binary.BigEndian.Uint16(data[4:6])
return nil
}
func decodeGetCurrentDataRequest(data []byte, p gopacket.PacketBuilder) error {
omci := &GetCurrentDataRequest{}
omci.MsgLayerType = LayerTypeGetCurrentDataRequest
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an Get Current Data Request message
func (omci *GetCurrentDataRequest) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
// Basic (common) OMCI Header is 8 octets, 10
err := omci.MeBasePacket.SerializeTo(b)
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 GetNext
if !me.SupportsMsgType(meDefinition, me.GetCurrentData) {
return me.NewProcessingError("managed entity does not support Get Current Data Message-Type")
}
bytes, err := b.AppendBytes(2)
if err != nil {
return err
}
binary.BigEndian.PutUint16(bytes, omci.AttributeMask)
return nil
}
/////////////////////////////////////////////////////////////////////////////
//
type GetCurrentDataResponse struct {
MeBasePacket
Result me.Results
AttributeMask uint16
Attributes me.AttributeValueMap
}
func (omci *GetCurrentDataResponse) String() string {
return fmt.Sprintf("%v, Result: %d (%v), Attribute Mask: %#x, Attributes: %v",
omci.MeBasePacket.String(), omci.Result, omci.Result, omci.AttributeMask, omci.Attributes)
}
// DecodeFromBytes decodes the given bytes of a Get Current Data Respnse into this layer
func (omci *GetCurrentDataResponse) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
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 Set
if !me.SupportsMsgType(meDefinition, me.GetCurrentData) {
return me.NewProcessingError("managed entity does not support Get Current Data Message-Type")
}
omci.AttributeMask = binary.BigEndian.Uint16(data[4:6])
switch omci.Result {
case me.ProcessingError, me.NotSupported, me.UnknownEntity, me.UnknownInstance, me.DeviceBusy:
return nil // Done (do not try and decode attributes)
}
// Attribute decode
omci.Attributes, err = meDefinition.DecodeAttributes(omci.AttributeMask, data[6:], p, byte(GetCurrentDataResponseType))
if err != nil {
return err
}
return nil
}
func decodeGetCurrentDataResponse(data []byte, p gopacket.PacketBuilder) error {
omci := &GetCurrentDataResponse{}
omci.MsgLayerType = LayerTypeGetCurrentDataResponse
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an Get Current Data Message Type Response
func (omci *GetCurrentDataResponse) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
// Basic (common) OMCI Header is 8 octets, 10
err := omci.MeBasePacket.SerializeTo(b)
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 Get
if !me.SupportsMsgType(meDefinition, me.GetCurrentData) {
return me.NewProcessingError("managed entity does not support the Get Current Data Message-Type")
}
bytes, err := b.AppendBytes(2)
if err != nil {
return err
}
binary.BigEndian.PutUint16(bytes[0:2], omci.AttributeMask)
// Attribute serialization
// TODO: Only Baseline supported at this time
bytesAvailable := MaxBaselineLength - 9 - 8
var failedMask uint16
err, failedMask = meDefinition.SerializeAttributes(omci.Attributes, omci.AttributeMask, b,
byte(GetCurrentDataResponseType), bytesAvailable, opts.FixLengths)
if failedMask != 0 {
// TODO: See GetResponse serialization above for the steps here
return me.NewMessageTruncatedError("getCurrentData attribute truncation not yet supported")
}
if err != nil {
return err
}
return nil
}
/////////////////////////////////////////////////////////////////////////////
//
type SetTableRequest struct {
MeBasePacket
// TODO: Fix me when extended messages supported)
}
func (omci *SetTableRequest) String() string {
return fmt.Sprintf("%v", omci.MeBasePacket.String())
}
// DecodeFromBytes decodes the given bytes of a Set Table Request into this layer
func (omci *SetTableRequest) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
if err != nil {
return err
}
return errors.New("need to implement") // TODO: Fix me when extended messages supported)
}
func decodeSetTableRequest(data []byte, p gopacket.PacketBuilder) error {
omci := &SetTableRequest{}
omci.MsgLayerType = LayerTypeSetTableRequest
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an Set Table Message Type Request
func (omci *SetTableRequest) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
// Basic (common) OMCI Header is 8 octets, 10
err := omci.MeBasePacket.SerializeTo(b)
if err != nil {
return err
}
return errors.New("need to implement") /// TODO: Fix me when extended messages supported)
}
/////////////////////////////////////////////////////////////////////////////
//
type SetTableResponse struct {
MeBasePacket
// TODO: Fix me when extended messages supported)
}
func (omci *SetTableResponse) String() string {
return fmt.Sprintf("%v", omci.MeBasePacket.String())
}
// DecodeFromBytes decodes the given bytes of a Set Table Response into this layer
func (omci *SetTableResponse) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
// Common ClassID/EntityID decode in msgBase
err := omci.MeBasePacket.DecodeFromBytes(data, p)
if err != nil {
return err
}
return errors.New("need to implement") // TODO: Fix me when extended messages supported)
}
func decodeSetTableResponse(data []byte, p gopacket.PacketBuilder) error {
omci := &SetTableResponse{}
omci.MsgLayerType = LayerTypeSetTableResponse
return decodingLayerDecoder(omci, data, p)
}
// SerializeTo provides serialization of an Set Table Message Type Response
func (omci *SetTableResponse) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
// Basic (common) OMCI Header is 8 octets, 10
err := omci.MeBasePacket.SerializeTo(b)
if err != nil {
return err
}
return errors.New("need to implement") // TODO: Fix me when extended messages supported)
}
/////////////////////////////////////////////////////////////////////////////
//
type UnsupportedMessageTypeResponse struct {
MeBasePacket
Result me.Results
}
// DecodeFromBytes decodes the given bytes of an Unsupported Message Type Response into this layer
func (omci *UnsupportedMessageTypeResponse) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
return errors.New("you should never really decode this")
}
// SerializeTo provides serialization of an Unsupported Message Type Response
func (omci *UnsupportedMessageTypeResponse) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
// Basic (common) OMCI Header is 8 octets, 10
err := omci.MeBasePacket.SerializeTo(b)
if err != nil {
return err
}
bytes, err := b.AppendBytes(1)
if err != nil {
return err
}
bytes[0] = byte(omci.Result)
return nil
}