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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 meframe
import (
"errors"
"github.com/google/gopacket"
. "github.com/opencord/omci-lib-go/v2"
me "github.com/opencord/omci-lib-go/v2/generated"
)
func MibUploadRequestFrame(m *me.ManagedEntity, opt options) (gopacket.SerializableLayer, error) {
if opt.frameFormat == ExtendedIdent {
return nil, errors.New("extended message set for this message type is not supported")
}
// Common for all MEs
meLayer := &MibUploadRequest{
MeBasePacket: MeBasePacket{
EntityClass: m.GetClassID(),
EntityInstance: 0,
Extended: opt.frameFormat == ExtendedIdent,
},
}
return meLayer, nil
}
func MibUploadResponseFrame(m *me.ManagedEntity, opt options) (gopacket.SerializableLayer, error) {
if opt.frameFormat == ExtendedIdent {
return nil, errors.New("extended message set for this message type is not supported")
}
// Common for all MEs
meLayer := &MibUploadResponse{
MeBasePacket: MeBasePacket{
EntityClass: m.GetClassID(),
EntityInstance: 0,
Extended: opt.frameFormat == ExtendedIdent,
},
NumberOfCommands: opt.sequenceNumberCountOrSize,
}
return meLayer, nil
}
func MibUploadNextRequestFrame(m *me.ManagedEntity, opt options) (gopacket.SerializableLayer, error) {
if opt.frameFormat == ExtendedIdent {
return nil, errors.New("extended message set for this message type is not supported")
}
// Common for all MEs
meLayer := &MibUploadNextRequest{
MeBasePacket: MeBasePacket{
EntityClass: m.GetClassID(),
EntityInstance: 0,
Extended: opt.frameFormat == ExtendedIdent,
},
CommandSequenceNumber: opt.sequenceNumberCountOrSize,
}
return meLayer, nil
}
func MibUploadNextResponseFrame(m *me.ManagedEntity, opt options) (gopacket.SerializableLayer, error) {
if opt.frameFormat == ExtendedIdent {
return nil, errors.New("extended message set for this message type is not supported")
}
// Common for all MEs
meLayer := &MibUploadNextResponse{
MeBasePacket: MeBasePacket{
EntityClass: m.GetClassID(),
EntityInstance: m.GetEntityID(),
Extended: opt.frameFormat == ExtendedIdent,
},
}
if opt.payload == nil {
// Shortcut used to specify the request sequence number is out of range, encode
// a ME instance with class ID of zero to specify this per ITU G.988
meDef := me.ManagedEntityDefinition{
Name: "InvalidSequenceNumberManagedEntity",
ClassID: me.ClassID(0),
MessageTypes: nil,
AttributeDefinitions: make(me.AttributeDefinitionMap),
}
opt.payload, _ = me.NewManagedEntity(meDef)
}
if _, ok := opt.payload.(*[]me.ManagedEntity); ok {
if opt.frameFormat == BaselineIdent {
return nil, errors.New("invalid payload for Baseline message")
}
// TODO: List of MEs. valid for extended messages only
} else if managedEntity, ok := opt.payload.(*me.ManagedEntity); ok {
// Single ME
meLayer.ReportedME = *managedEntity
} else {
return nil, errors.New("invalid payload for MibUploadNextResponse frame")
}
return meLayer, nil
}