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/*
*
* Copyright 2014 gRPC authors.
*
* 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.
*
*/
// Binary server is an interop server.
//
// See interop test case descriptions [here].
//
// [here]: https://github.com/grpc/grpc/blob/master/doc/interop-test-descriptions.md
package main
import (
"flag"
"net"
"strconv"
"time"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials"
"google.golang.org/grpc/credentials/alts"
"google.golang.org/grpc/grpclog"
"google.golang.org/grpc/internal"
"google.golang.org/grpc/interop"
"google.golang.org/grpc/orca"
"google.golang.org/grpc/testdata"
testgrpc "google.golang.org/grpc/interop/grpc_testing"
)
var (
useTLS = flag.Bool("use_tls", false, "Connection uses TLS if true, else plain TCP")
useALTS = flag.Bool("use_alts", false, "Connection uses ALTS if true (this option can only be used on GCP)")
altsHSAddr = flag.String("alts_handshaker_service_address", "", "ALTS handshaker gRPC service address")
certFile = flag.String("tls_cert_file", "", "The TLS cert file")
keyFile = flag.String("tls_key_file", "", "The TLS key file")
port = flag.Int("port", 10000, "The server port")
logger = grpclog.Component("interop")
)
func main() {
flag.Parse()
if *useTLS && *useALTS {
logger.Fatal("-use_tls and -use_alts cannot be both set to true")
}
p := strconv.Itoa(*port)
lis, err := net.Listen("tcp", ":"+p)
if err != nil {
logger.Fatalf("failed to listen: %v", err)
}
logger.Infof("interop server listening on %v", lis.Addr())
opts := []grpc.ServerOption{orca.CallMetricsServerOption(nil)}
if *useTLS {
if *certFile == "" {
*certFile = testdata.Path("server1.pem")
}
if *keyFile == "" {
*keyFile = testdata.Path("server1.key")
}
creds, err := credentials.NewServerTLSFromFile(*certFile, *keyFile)
if err != nil {
logger.Fatalf("Failed to generate credentials: %v", err)
}
opts = append(opts, grpc.Creds(creds))
} else if *useALTS {
altsOpts := alts.DefaultServerOptions()
if *altsHSAddr != "" {
altsOpts.HandshakerServiceAddress = *altsHSAddr
}
altsTC := alts.NewServerCreds(altsOpts)
opts = append(opts, grpc.Creds(altsTC))
}
server := grpc.NewServer(opts...)
metricsRecorder := orca.NewServerMetricsRecorder()
sopts := orca.ServiceOptions{
MinReportingInterval: time.Second,
ServerMetricsProvider: metricsRecorder,
}
internal.ORCAAllowAnyMinReportingInterval.(func(*orca.ServiceOptions))(&sopts)
orca.Register(server, sopts)
testgrpc.RegisterTestServiceServer(server, interop.NewTestServer(interop.NewTestServerOptions{MetricsRecorder: metricsRecorder}))
server.Serve(lis)
}
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