[SEBA-434] Replacing omci-sim with omci-lib-go
Change-Id: I499afc9ec49bb483467ea93bd6ce3077dd0ccc6e
diff --git a/vendor/github.com/opencord/omci-lib-go/mebase.go b/vendor/github.com/opencord/omci-lib-go/mebase.go
new file mode 100644
index 0000000..750233d
--- /dev/null
+++ b/vendor/github.com/opencord/omci-lib-go/mebase.go
@@ -0,0 +1,105 @@
+/*
+ * 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"
+ "fmt"
+ me "github.com/opencord/omci-lib-go/generated"
+ "github.com/google/gopacket"
+ "github.com/google/gopacket/layers"
+)
+
+type MeBasePacket struct {
+ EntityClass me.ClassID
+ EntityInstance uint16
+
+ gopacket.Layer
+ layers.BaseLayer
+ MsgLayerType gopacket.LayerType
+}
+
+func (msg *MeBasePacket) String() string {
+ return fmt.Sprintf("ClassID: %v, InstanceId: %d/%#x",
+ msg.EntityClass, msg.EntityInstance, msg.EntityInstance)
+}
+
+// CanDecode returns the set of layer types that this DecodingLayer can decode
+func (msg *MeBasePacket) CanDecode() gopacket.LayerClass {
+ return msg.MsgLayerType
+}
+
+// LayerType returns MsgLayerType. It partially satisfies Layer and SerializableLayer
+func (msg *MeBasePacket) LayerType() gopacket.LayerType {
+ return msg.MsgLayerType
+}
+
+// LayerContents returns the bytes of the packet layer.
+func (msg *MeBasePacket) LayerContents() []byte {
+ return msg.Contents
+}
+
+// LayerPayload returns the bytes contained within the packet layer
+func (msg *MeBasePacket) LayerPayload() []byte {
+ return msg.Payload
+}
+
+// NextLayerType returns the layer type contained by this DecodingLayer
+func (msg *MeBasePacket) NextLayerType() gopacket.LayerType {
+ return gopacket.LayerTypeZero
+}
+
+// DecodeFromBytes decodes the given bytes into this layer
+func (msg *MeBasePacket) DecodeFromBytes(data []byte, p gopacket.PacketBuilder) error {
+ // Note: Base OMCI frame already checked for frame with at least 10 octets
+ msg.EntityClass = me.ClassID(binary.BigEndian.Uint16(data[0:]))
+ msg.EntityInstance = binary.BigEndian.Uint16(data[2:])
+ msg.BaseLayer = layers.BaseLayer{Contents: data[:4], Payload: data[4:]}
+ return nil
+}
+
+// SerializeTo provides serialization of this message layer
+func (msg *MeBasePacket) SerializeTo(b gopacket.SerializeBuffer) error {
+ // Add class ID and entity ID
+ bytes, err := b.PrependBytes(4)
+ if err != nil {
+ return err
+ }
+ binary.BigEndian.PutUint16(bytes, uint16(msg.EntityClass))
+ binary.BigEndian.PutUint16(bytes[2:], msg.EntityInstance)
+ return nil
+}
+
+type layerDecodingLayer interface {
+ gopacket.Layer
+ DecodeFromBytes([]byte, gopacket.PacketBuilder) error
+ NextLayerType() gopacket.LayerType
+}
+
+func decodingLayerDecoder(d layerDecodingLayer, data []byte, p gopacket.PacketBuilder) error {
+ err := d.DecodeFromBytes(data, p)
+ if err != nil {
+ return err
+ }
+ p.AddLayer(d)
+ next := d.NextLayerType()
+ if next == gopacket.LayerTypeZero {
+ return nil
+ }
+ return p.NextDecoder(next)
+}