networkElement.go

package client

import (
	mnepb "code.fbi.h-da.de/danet/gosdn/api/go/gosdn/networkelement"
	"google.golang.org/grpc"
)

var networkElementServiceClientConnection *grpc.ClientConn

// NetworkElementClient returns a client for the gRPC NetworkElement service. It takes
// the address of the gRPC endpoint and optional grpc.DialOption
// as argument.
func NetworkElementClient(addr string, opts ...grpc.DialOption) (mnepb.NetworkElementServiceClient, error) {
	var err error

	if networkElementServiceClientConnection == nil {
		networkElementServiceClientConnection, err = grpc.NewClient(addr, opts...)
		if err != nil {
			return nil, err
		}
	}

	return mnepb.NewNetworkElementServiceClient(networkElementServiceClientConnection), nil
}