snapshot of https://github.com/grpc/grpc-go.git (master, 2026-09-15; blobs > 131072B omitted)

interop/server/server.go

@@ -0,0 +1,97 @@
+/*
+ *
+ * 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)
+}