[VOL-2974] - drive the adapter implementation forward to reach active OperState of ONU UNI ports
[VOL-2978] - MibSync - Store selected MEs received from ONUs during Mib-Upload

Change-Id: If391bf02adc05bf0b0ecd78c52a5407805981745
Signed-off-by: Holger Hildebrandt <holger.hildebrandt@adtran.com>
diff --git a/internal/pkg/onuadaptercore/onu_device_db.go b/internal/pkg/onuadaptercore/onu_device_db.go
new file mode 100644
index 0000000..2729747
--- /dev/null
+++ b/internal/pkg/onuadaptercore/onu_device_db.go
@@ -0,0 +1,134 @@
+/*
+ * 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 adaptercoreonu provides the utility for onu devices, flows and statistics
+package adaptercoreonu
+
+import (
+	"context"
+	"errors"
+
+	"github.com/opencord/omci-lib-go"
+	me "github.com/opencord/omci-lib-go/generated"
+	"github.com/opencord/voltha-lib-go/v3/pkg/log"
+)
+
+//OnuDeviceDB structure holds information about known ME's
+type OnuDeviceDB struct {
+	ctx               context.Context
+	pOnuDeviceEntry   *OnuDeviceEntry
+	unigMeCount       uint16
+	unigMe            []*me.ManagedEntity
+	pptpEthUniMeCount uint16
+	pptpEthUniMe      []*me.ManagedEntity
+	AnigMe            *me.ManagedEntity
+	VeipMe            *me.ManagedEntity
+}
+
+//OnuDeviceDB returns a new instance for a specific ONU_Device_Entry
+func NewOnuDeviceDB(ctx context.Context, a_pOnuDeviceEntry *OnuDeviceEntry) *OnuDeviceDB {
+	logger.Debugw("Init OnuDeviceDB for:", log.Fields{"deviceId": a_pOnuDeviceEntry.deviceID})
+	var onuDeviceDB OnuDeviceDB
+	onuDeviceDB.ctx = ctx
+	onuDeviceDB.pOnuDeviceEntry = a_pOnuDeviceEntry
+	onuDeviceDB.unigMeCount = 0
+	onuDeviceDB.unigMe = make([]*me.ManagedEntity, 4, MaxUnisPerOnu)
+	onuDeviceDB.pptpEthUniMeCount = 0
+	onuDeviceDB.pptpEthUniMe = make([]*me.ManagedEntity, 4, MaxUnisPerOnu)
+	onuDeviceDB.AnigMe = nil
+	onuDeviceDB.VeipMe = nil
+	return &onuDeviceDB
+}
+
+func (onuDeviceDB *OnuDeviceDB) UnigAdd(meParamData me.ParamData) error {
+	var omciErr me.OmciErrors
+	onuDeviceDB.unigMe[onuDeviceDB.unigMeCount], omciErr = me.NewUniG(meParamData)
+	if omciErr.StatusCode() != me.Success {
+		logger.Errorw("UniG could not be parsed for:", log.Fields{"deviceId": onuDeviceDB.pOnuDeviceEntry.deviceID})
+		return errors.New("UniG could not be parsed")
+	}
+	logger.Debugw("UniG instance stored for:", log.Fields{"deviceId": onuDeviceDB.pOnuDeviceEntry.deviceID,
+		"UnigMe ": onuDeviceDB.unigMe[onuDeviceDB.unigMeCount], "unigMeCount": onuDeviceDB.unigMeCount})
+	if onuDeviceDB.unigMeCount < MaxUnisPerOnu {
+		onuDeviceDB.unigMeCount++
+	} else {
+		logger.Errorw("Max number of UniGs exceeded for:", log.Fields{"deviceId": onuDeviceDB.pOnuDeviceEntry.deviceID})
+		return errors.New("Max number of UniGs exceeded")
+	}
+	return nil
+}
+
+func (onuDeviceDB *OnuDeviceDB) PptpEthUniAdd(meParamData me.ParamData) error {
+	var omciErr me.OmciErrors
+	onuDeviceDB.pptpEthUniMe[onuDeviceDB.pptpEthUniMeCount], omciErr = me.NewPhysicalPathTerminationPointEthernetUni(meParamData)
+	if omciErr.StatusCode() != me.Success {
+		logger.Errorw("pptpEthUni could not be parsed for:", log.Fields{"deviceId": onuDeviceDB.pOnuDeviceEntry.deviceID})
+		return errors.New("pptpEthUni could not be parsed")
+	}
+	logger.Debugw("pptpEthUni instance stored for:", log.Fields{"deviceId": onuDeviceDB.pOnuDeviceEntry.deviceID,
+		"pptpEthUniMe ": onuDeviceDB.pptpEthUniMe[onuDeviceDB.pptpEthUniMeCount], "pptpEthUniMeCount": onuDeviceDB.pptpEthUniMeCount})
+	if onuDeviceDB.pptpEthUniMeCount < MaxUnisPerOnu {
+		onuDeviceDB.pptpEthUniMeCount++
+	} else {
+		logger.Errorw("Max number of pptpEthUnis exceeded for:", log.Fields{"deviceId": onuDeviceDB.pOnuDeviceEntry.deviceID})
+		return errors.New("Max number of pptpEthUnis exceeded")
+	}
+	return nil
+}
+
+func (onuDeviceDB *OnuDeviceDB) AnigAdd(meParamData me.ParamData) error {
+	var omciErr me.OmciErrors
+	onuDeviceDB.AnigMe, omciErr = me.NewAniG(meParamData)
+	if omciErr.StatusCode() != me.Success {
+		logger.Errorw("AniG could not be parsed for:", log.Fields{"deviceId": onuDeviceDB.pOnuDeviceEntry.deviceID})
+		return errors.New("AniG could not be parsed")
+	}
+	logger.Debugw("AniG instance stored for:", log.Fields{"deviceId": onuDeviceDB.pOnuDeviceEntry.deviceID, "AnigMe ": onuDeviceDB.AnigMe})
+	return nil
+}
+
+func (onuDeviceDB *OnuDeviceDB) VeipAdd(meParamData me.ParamData) error {
+	var omciErr me.OmciErrors
+	onuDeviceDB.VeipMe, omciErr = me.NewVirtualEthernetInterfacePoint(meParamData)
+	if omciErr.StatusCode() != me.Success {
+		logger.Errorw("VEIP could not be parsed for:", log.Fields{"deviceId": onuDeviceDB.pOnuDeviceEntry.deviceID})
+		return errors.New("VEIP could not be parsed")
+	}
+	logger.Debugw("VEIP instance stored for:", log.Fields{"deviceId": onuDeviceDB.pOnuDeviceEntry.deviceID, "VeipMe ": onuDeviceDB.VeipMe})
+	return nil
+}
+
+func (onuDeviceDB *OnuDeviceDB) StoreMe(a_pMibUpResp *omci.MibUploadNextResponse) error {
+
+	meParamData := me.ParamData{
+		EntityID:   a_pMibUpResp.ReportedME.GetEntityID(),
+		Attributes: a_pMibUpResp.ReportedME.GetAttributeValueMap(),
+	}
+
+	switch a_pMibUpResp.ReportedME.GetClassID() {
+	case me.UniGClassID:
+		onuDeviceDB.UnigAdd(meParamData)
+	case me.PhysicalPathTerminationPointEthernetUniClassID:
+		onuDeviceDB.PptpEthUniAdd(meParamData)
+	case me.AniGClassID:
+		onuDeviceDB.AnigAdd(meParamData)
+	case me.VirtualEthernetInterfacePointClassID:
+		onuDeviceDB.VeipAdd(meParamData)
+	default:
+		//ME won't be stored currently
+	}
+	return nil
+}