[VOL-4648] Add connection to sysrepo and subscribe to NETCONF 'get' requests with dummy callback

Change-Id: I9124d9b9430ee1358885bdb5c65dedfb3c5d3978
diff --git a/vendor/github.com/opencord/voltha-lib-go/v7/pkg/grpc/mock_core_service.go b/vendor/github.com/opencord/voltha-lib-go/v7/pkg/grpc/mock_core_service.go
new file mode 100644
index 0000000..8365956
--- /dev/null
+++ b/vendor/github.com/opencord/voltha-lib-go/v7/pkg/grpc/mock_core_service.go
@@ -0,0 +1,189 @@
+/*
+ * Copyright 2021-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 grpc
+
+import (
+	"context"
+	"fmt"
+	"strconv"
+	"time"
+
+	"github.com/golang/protobuf/ptypes/empty"
+	"github.com/opencord/voltha-lib-go/v7/pkg/log"
+	"github.com/opencord/voltha-protos/v5/go/common"
+	ca "github.com/opencord/voltha-protos/v5/go/core_adapter"
+	"github.com/opencord/voltha-protos/v5/go/core_service"
+	"github.com/opencord/voltha-protos/v5/go/health"
+	"github.com/opencord/voltha-protos/v5/go/voltha"
+)
+
+//MockCoreServiceHandler implements the methods in the core service
+type MockCoreServiceHandler struct {
+	exitChannel chan struct{}
+}
+
+func NewMockCoreServiceHandler() *MockCoreServiceHandler {
+	return &MockCoreServiceHandler{exitChannel: make(chan struct{})}
+}
+
+func (handler *MockCoreServiceHandler) Start() {
+	logger.Debug(context.Background(), "starting-mock-core-service")
+}
+
+func (handler *MockCoreServiceHandler) Stop() {
+	logger.Debug(context.Background(), "stopping-mock-core-service")
+	close(handler.exitChannel)
+}
+
+func (handler *MockCoreServiceHandler) RegisterAdapter(ctx context.Context, reg *ca.AdapterRegistration) (*empty.Empty, error) {
+	//logger.Debugw(ctx, "registration-received", log.Fields{"input": reg})
+	return &empty.Empty{}, nil
+}
+
+func (handler *MockCoreServiceHandler) DeviceUpdate(context.Context, *voltha.Device) (*empty.Empty, error) {
+	return &empty.Empty{}, nil
+}
+
+func (handler *MockCoreServiceHandler) PortCreated(context.Context, *voltha.Port) (*empty.Empty, error) {
+	return &empty.Empty{}, nil
+}
+
+func (handler *MockCoreServiceHandler) PortsStateUpdate(context.Context, *ca.PortStateFilter) (*empty.Empty, error) {
+	return &empty.Empty{}, nil
+}
+
+func (handler *MockCoreServiceHandler) DeleteAllPorts(context.Context, *common.ID) (*empty.Empty, error) {
+	return &empty.Empty{}, nil
+}
+
+func (handler *MockCoreServiceHandler) GetDevicePort(context.Context, *ca.PortFilter) (*voltha.Port, error) {
+	return &voltha.Port{}, nil
+}
+
+func (handler *MockCoreServiceHandler) ListDevicePorts(context.Context, *common.ID) (*voltha.Ports, error) {
+	return &voltha.Ports{}, nil
+}
+
+func (handler *MockCoreServiceHandler) DeviceStateUpdate(context.Context, *ca.DeviceStateFilter) (*empty.Empty, error) {
+	return &empty.Empty{}, nil
+}
+
+func (handler *MockCoreServiceHandler) DevicePMConfigUpdate(context.Context, *voltha.PmConfigs) (*empty.Empty, error) {
+	return &empty.Empty{}, nil
+}
+
+func (handler *MockCoreServiceHandler) ChildDeviceDetected(context.Context, *ca.DeviceDiscovery) (*voltha.Device, error) {
+	return &voltha.Device{}, nil
+}
+
+func (handler *MockCoreServiceHandler) ChildDevicesLost(context.Context, *common.ID) (*empty.Empty, error) {
+	return &empty.Empty{}, nil
+}
+
+func (handler *MockCoreServiceHandler) ChildDevicesDetected(context.Context, *common.ID) (*empty.Empty, error) {
+	time.Sleep(50 * time.Millisecond)
+	return &empty.Empty{}, nil
+}
+
+func (handler *MockCoreServiceHandler) GetDevice(ctx context.Context, id *common.ID) (*voltha.Device, error) {
+	time.Sleep(50 * time.Millisecond)
+	vlan, _ := strconv.Atoi(id.Id)
+	return &voltha.Device{
+		Id:   id.Id,
+		Type: "test-1234",
+		Vlan: uint32(vlan),
+	}, nil
+}
+
+func (handler *MockCoreServiceHandler) GetChildDevice(context.Context, *ca.ChildDeviceFilter) (*voltha.Device, error) {
+	return nil, nil
+}
+
+func (handler *MockCoreServiceHandler) GetChildDevices(context.Context, *common.ID) (*voltha.Devices, error) {
+	return &voltha.Devices{}, nil
+}
+
+func (handler *MockCoreServiceHandler) SendPacketIn(context.Context, *ca.PacketIn) (*empty.Empty, error) {
+	return &empty.Empty{}, nil
+}
+
+func (handler *MockCoreServiceHandler) DeviceReasonUpdate(context.Context, *ca.DeviceReason) (*empty.Empty, error) {
+	return &empty.Empty{}, nil
+}
+
+func (handler *MockCoreServiceHandler) PortStateUpdate(context.Context, *ca.PortState) (*empty.Empty, error) {
+	return &empty.Empty{}, nil
+}
+
+// Additional API found in the Core - unused?
+func (handler *MockCoreServiceHandler) ReconcileChildDevices(context.Context, *common.ID) (*empty.Empty, error) {
+	return &empty.Empty{}, nil
+}
+
+func (handler *MockCoreServiceHandler) GetChildDeviceWithProxyAddress(context.Context, *voltha.Device_ProxyAddress) (*voltha.Device, error) {
+	return &voltha.Device{}, nil
+}
+
+func (handler *MockCoreServiceHandler) GetPorts(context.Context, *ca.PortFilter) (*voltha.Ports, error) {
+	return &voltha.Ports{}, nil
+}
+
+func (handler *MockCoreServiceHandler) ChildrenStateUpdate(context.Context, *ca.DeviceStateFilter) (*empty.Empty, error) {
+	return &empty.Empty{}, nil
+}
+
+func (handler *MockCoreServiceHandler) UpdateImageDownload(context.Context, *voltha.ImageDownload) (*empty.Empty, error) {
+	return &empty.Empty{}, nil
+}
+
+func (handler *MockCoreServiceHandler) GetHealthStatus(stream core_service.CoreService_GetHealthStatusServer) error {
+	logger.Debugw(context.Background(), "keep-alive-connection", log.Fields{"stream": stream})
+	if stream == nil {
+		return fmt.Errorf("stream-is-nil %v", stream)
+	}
+	var err error
+	var remoteClient *common.Connection
+	var tempClient *common.Connection
+	ctx := context.Background()
+loop:
+	for {
+		tempClient, err = stream.Recv()
+		if err != nil {
+			logger.Warnw(ctx, "received-stream-error", log.Fields{"remote-client": remoteClient, "error": err})
+			break loop
+		}
+		// Send a response back
+		err = stream.Send(&health.HealthStatus{State: health.HealthStatus_HEALTHY})
+		if err != nil {
+			logger.Warnw(ctx, "sending-stream-error", log.Fields{"remote-client": remoteClient, "error": err})
+			break loop
+		}
+
+		remoteClient = tempClient
+		logger.Debugw(ctx, "received-keep-alive", log.Fields{"remote-client": remoteClient})
+		select {
+		case <-stream.Context().Done():
+			logger.Infow(ctx, "stream-keep-alive-context-done", log.Fields{"remote-client": remoteClient, "error": stream.Context().Err()})
+			break loop
+		case <-handler.exitChannel:
+			logger.Warnw(ctx, "received-stop", log.Fields{"remote-client": remoteClient})
+			break loop
+		default:
+		}
+	}
+	logger.Errorw(context.Background(), "connection-down", log.Fields{"remote-client": remoteClient, "error": err})
+	return err
+}