[SEBA-434] Replacing omci-sim with omci-lib-go
Change-Id: I499afc9ec49bb483467ea93bd6ce3077dd0ccc6e
diff --git a/internal/common/omci/create.go b/internal/common/omci/create.go
new file mode 100644
index 0000000..8e4afb3
--- /dev/null
+++ b/internal/common/omci/create.go
@@ -0,0 +1,152 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+
+ * http://www.apache.org/licenses/LICENSE-2.0
+
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package omci
+
+import (
+ "encoding/hex"
+ "errors"
+ "github.com/google/gopacket"
+ "github.com/opencord/omci-lib-go"
+ me "github.com/opencord/omci-lib-go/generated"
+ log "github.com/sirupsen/logrus"
+ "strconv"
+)
+
+func ParseCreateRequest(omciPkt gopacket.Packet) (*omci.CreateRequest, error) {
+ msgLayer := omciPkt.Layer(omci.LayerTypeCreateRequest)
+ if msgLayer == nil {
+ err := "omci Msg layer could not be detected for LayerTypeCreateRequest"
+ omciLogger.Error(err)
+ return nil, errors.New(err)
+ }
+ msgObj, msgOk := msgLayer.(*omci.CreateRequest)
+ if !msgOk {
+ err := "omci Msg layer could not be assigned for LayerTypeCreateRequest"
+ omciLogger.Error(err)
+ return nil, errors.New(err)
+ }
+ return msgObj, nil
+}
+
+func CreateCreateResponse(omciPkt gopacket.Packet, omciMsg *omci.OMCI) ([]byte, error) {
+
+ msgObj, err := ParseCreateRequest(omciPkt)
+
+ if err != nil {
+ return nil, err
+ }
+
+ omciLogger.WithFields(log.Fields{
+ "EntityClass": msgObj.EntityClass,
+ "EntityInstance": msgObj.EntityInstance,
+ }).Trace("recevied-omci-create-request")
+
+ response := &omci.CreateResponse{
+ MeBasePacket: omci.MeBasePacket{
+ EntityClass: msgObj.EntityClass,
+ EntityInstance: msgObj.EntityInstance,
+ },
+ Result: me.Success,
+ }
+
+ pkt, err := serialize(omci.CreateResponseType, response, omciMsg.TransactionID)
+ if err != nil {
+ omciLogger.WithFields(log.Fields{
+ "Err": err,
+ }).Error("cannot-serialize-CreateResponse")
+ return nil, err
+ }
+
+ log.WithFields(log.Fields{
+ "TxID": strconv.FormatInt(int64(omciMsg.TransactionID), 16),
+ "pkt": hex.EncodeToString(pkt),
+ }).Trace("omci-create-response")
+
+ return pkt, nil
+}
+
+// methods used by BBR to drive the OMCI state machine
+
+func CreateGalEnetRequest(tid uint16) ([]byte, error) {
+ params := me.ParamData{
+ EntityID: galEthernetEID,
+ Attributes: me.AttributeValueMap{"MaximumGemPayloadSize": maxGemPayloadSize},
+ }
+ meDef, _ := me.NewGalEthernetProfile(params)
+ pkt, err := omci.GenFrame(meDef, omci.CreateRequestType, omci.TransactionID(tid))
+ if err != nil {
+ omciLogger.WithField("err", err).Fatalf("Can't generate GalEnetRequest")
+ }
+ return hexEncode(pkt)
+}
+
+func CreateEnableUniRequest(tid uint16, uniId uint16, enabled bool, isPtp bool) ([]byte, error) {
+
+ var _enabled uint8
+ if enabled {
+ _enabled = uint8(1)
+ } else {
+ _enabled = uint8(0)
+ }
+
+ data := me.ParamData{
+ EntityID: uniId,
+ Attributes: me.AttributeValueMap{
+ "AdministrativeState": _enabled,
+ },
+ }
+ var medef *me.ManagedEntity
+ var omciErr me.OmciErrors
+
+ if isPtp {
+ medef, omciErr = me.NewPhysicalPathTerminationPointEthernetUni(data)
+ } else {
+ medef, omciErr = me.NewVirtualEthernetInterfacePoint(data)
+ }
+ if omciErr != nil {
+ return nil, omciErr.GetError()
+ }
+ pkt, err := omci.GenFrame(medef, omci.SetRequestType, omci.TransactionID(tid))
+ if err != nil {
+ omciLogger.WithField("err", err).Fatalf("Can't generate EnableUniRequest")
+ }
+ return hexEncode(pkt)
+}
+
+func CreateGemPortRequest(tid uint16) ([]byte, error) {
+ params := me.ParamData{
+ EntityID: gemEID,
+ Attributes: me.AttributeValueMap{
+ "PortId": 1,
+ "TContPointer": 1,
+ "Direction": 0,
+ "TrafficManagementPointerForUpstream": 0,
+ "TrafficDescriptorProfilePointerForUpstream": 0,
+ "UniCounter": 0,
+ "PriorityQueuePointerForDownStream": 0,
+ "EncryptionState": 0,
+ "TrafficDescriptorProfilePointerForDownstream": 0,
+ "EncryptionKeyRing": 0,
+ },
+ }
+ meDef, _ := me.NewGemPortNetworkCtp(params)
+ pkt, err := omci.GenFrame(meDef, omci.CreateRequestType, omci.TransactionID(tid))
+ if err != nil {
+ omciLogger.WithField("err", err).Fatalf("Can't generate GemPortRequest")
+ }
+ return hexEncode(pkt)
+}