/*
 *
 * Copyright 2014, Google Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

package main

import (
	"flag"
	"net"
	"strconv"

	"google.golang.org/grpc"
	"google.golang.org/grpc/credentials"
	"google.golang.org/grpc/grpclog"
	"google.golang.org/grpc/interop"
	testpb "google.golang.org/grpc/interop/grpc_testing"
)

var (
	useTLS   = flag.Bool("use_tls", false, "Connection uses TLS if true, else plain TCP")
	certFile = flag.String("tls_cert_file", "testdata/server1.pem", "The TLS cert file")
	keyFile  = flag.String("tls_key_file", "testdata/server1.key", "The TLS key file")
	port     = flag.Int("port", 10000, "The server port")
)

func main() {
	flag.Parse()
	p := strconv.Itoa(*port)
	lis, err := net.Listen("tcp", ":"+p)
	if err != nil {
		grpclog.Fatalf("failed to listen: %v", err)
	}
	var opts []grpc.ServerOption
	if *useTLS {
		creds, err := credentials.NewServerTLSFromFile(*certFile, *keyFile)
		if err != nil {
			grpclog.Fatalf("Failed to generate credentials %v", err)
		}
		opts = []grpc.ServerOption{grpc.Creds(creds)}
	}
	server := grpc.NewServer(opts...)
	testpb.RegisterTestServiceServer(server, &interop.TestServer{})
	server.Serve(lis)
}