Example #1
0
// NewClientConn creates a gRPC client connection to addr.
func NewClientConn(addr string) *grpc.ClientConn {
	conn, err := grpc.Dial(addr, grpc.WithInsecure())
	if err != nil {
		grpclog.Fatalf("NewClientConn(%q) failed to create a ClientConn %v", addr, err)
	}
	return conn
}
Example #2
0
func setUp(t *testing.T, hs *health.HealthServer, maxStream uint32, ua string, e env) (s *grpc.Server, cc *grpc.ClientConn) {
	sopts := []grpc.ServerOption{grpc.MaxConcurrentStreams(maxStream)}
	la := ":0"
	switch e.network {
	case "unix":
		la = "/tmp/testsock" + fmt.Sprintf("%d", time.Now())
		syscall.Unlink(la)
	}
	lis, err := net.Listen(e.network, la)
	if err != nil {
		t.Fatalf("Failed to listen: %v", err)
	}
	if e.security == "tls" {
		creds, err := credentials.NewServerTLSFromFile(tlsDir+"server1.pem", tlsDir+"server1.key")
		if err != nil {
			t.Fatalf("Failed to generate credentials %v", err)
		}
		sopts = append(sopts, grpc.Creds(creds))
	}
	s = grpc.NewServer(sopts...)
	if hs != nil {
		healthpb.RegisterHealthServer(s, hs)
	}
	testpb.RegisterTestServiceServer(s, &testServer{security: e.security})
	go s.Serve(lis)
	addr := la
	switch e.network {
	case "unix":
	default:
		_, port, err := net.SplitHostPort(lis.Addr().String())
		if err != nil {
			t.Fatalf("Failed to parse listener address: %v", err)
		}
		addr = "localhost:" + port
	}
	if e.security == "tls" {
		creds, err := credentials.NewClientTLSFromFile(tlsDir+"ca.pem", "x.test.youtube.com")
		if err != nil {
			t.Fatalf("Failed to create credentials %v", err)
		}
		cc, err = grpc.Dial(addr, grpc.WithTransportCredentials(creds), grpc.WithDialer(e.dialer), grpc.WithUserAgent(ua))
	} else {
		cc, err = grpc.Dial(addr, grpc.WithDialer(e.dialer), grpc.WithInsecure(), grpc.WithUserAgent(ua))
	}
	if err != nil {
		t.Fatalf("Dial(%q) = %v", addr, err)
	}
	return
}
Example #3
0
func TestReconnectTimeout(t *testing.T) {
	lis, err := net.Listen("tcp", ":0")
	if err != nil {
		t.Fatalf("Failed to listen: %v", err)
	}
	_, port, err := net.SplitHostPort(lis.Addr().String())
	if err != nil {
		t.Fatalf("Failed to parse listener address: %v", err)
	}
	addr := "localhost:" + port
	conn, err := grpc.Dial(addr, grpc.WithTimeout(5*time.Second), grpc.WithBlock(), grpc.WithInsecure())
	if err != nil {
		t.Fatalf("Failed to dial to the server %q: %v", addr, err)
	}
	// Close unaccepted connection (i.e., conn).
	lis.Close()
	tc := testpb.NewTestServiceClient(conn)
	waitC := make(chan struct{})
	go func() {
		defer close(waitC)
		argSize := 271828
		respSize := 314159

		payload, err := newPayload(testpb.PayloadType_COMPRESSABLE, int32(argSize))
		if err != nil {
			t.Fatal(err)
		}

		req := &testpb.SimpleRequest{
			ResponseType: testpb.PayloadType_COMPRESSABLE.Enum(),
			ResponseSize: proto.Int32(int32(respSize)),
			Payload:      payload,
		}
		if _, err := tc.UnaryCall(context.Background(), req); err == nil {
			t.Fatalf("TestService/UnaryCall(_, _) = _, <nil>, want _, non-nil")
		}
	}()
	// Block untill reconnect times out.
	<-waitC
	if err := conn.Close(); err != grpc.ErrClientConnClosing {
		t.Fatalf("%v.Close() = %v, want %v", conn, err, grpc.ErrClientConnClosing)
	}
}
Example #4
0
func main() {
	// Set up a connection to the server.
	conn, err := grpc.Dial(address, grpc.WithInsecure())
	if err != nil {
		log.Fatalf("did not connect: %v", err)
	}
	defer conn.Close()
	c := pb.NewGreeterClient(conn)

	// Contact the server and print out its response.
	name := defaultName
	if len(os.Args) > 1 {
		name = os.Args[1]
	}
	r, err := c.SayHello(context.Background(), &pb.HelloRequest{Name: name})
	if err != nil {
		log.Fatalf("could not greet: %v", err)
	}
	log.Printf("Greeting: %s", r.Message)
}
Example #5
0
func NewClient() (*Client, error) {
	var opts []grpc.DialOption
	opts = append(opts, grpc.WithDialer(func(addr string, timeout time.Duration) (net.Conn, error) {
		return net.DialTimeout("unix", addr, timeout)
	}), grpc.WithInsecure())
	//addr, _ := net.ResolveUnixAddr("unix", "socket.unix")

	c, _ := projects.ConfigDir()

	path := filepath.Join(c, "projects.socket")

	conn, err := grpc.Dial(path, opts...)
	if err != nil {
		//grpclog.Fatalf("fail to dial: %v", err)
		return nil, err
	}

	err = waitForConnection(conn)

	return &Client{conn}, err
}
Example #6
0
func main() {
	flag.Parse()
	serverAddr := net.JoinHostPort(*serverHost, strconv.Itoa(*serverPort))
	var opts []grpc.DialOption
	if *useTLS {
		var sn string
		if *tlsServerName != "" {
			sn = *tlsServerName
		}
		var creds credentials.TransportAuthenticator
		if *testCA {
			var err error
			creds, err = credentials.NewClientTLSFromFile(testCAFile, sn)
			if err != nil {
				grpclog.Fatalf("Failed to create TLS credentials %v", err)
			}
		} else {
			creds = credentials.NewClientTLSFromCert(nil, sn)
		}
		opts = append(opts, grpc.WithTransportCredentials(creds))
		if *testCase == "compute_engine_creds" {
			opts = append(opts, grpc.WithPerRPCCredentials(oauth.NewComputeEngine()))
		} else if *testCase == "service_account_creds" {
			jwtCreds, err := oauth.NewServiceAccountFromFile(*serviceAccountKeyFile, *oauthScope)
			if err != nil {
				grpclog.Fatalf("Failed to create JWT credentials: %v", err)
			}
			opts = append(opts, grpc.WithPerRPCCredentials(jwtCreds))
		} else if *testCase == "jwt_token_creds" {
			jwtCreds, err := oauth.NewJWTAccessFromFile(*serviceAccountKeyFile)
			if err != nil {
				grpclog.Fatalf("Failed to create JWT credentials: %v", err)
			}
			opts = append(opts, grpc.WithPerRPCCredentials(jwtCreds))
		} else if *testCase == "oauth2_auth_token" {
			opts = append(opts, grpc.WithPerRPCCredentials(oauth.NewOauthAccess(getToken())))
		}
	} else {
		opts = append(opts, grpc.WithInsecure())
	}
	conn, err := grpc.Dial(serverAddr, opts...)
	if err != nil {
		grpclog.Fatalf("Fail to dial: %v", err)
	}
	defer conn.Close()
	tc := testpb.NewTestServiceClient(conn)
	switch *testCase {
	case "empty_unary":
		doEmptyUnaryCall(tc)
	case "large_unary":
		doLargeUnaryCall(tc)
	case "client_streaming":
		doClientStreaming(tc)
	case "server_streaming":
		doServerStreaming(tc)
	case "ping_pong":
		doPingPong(tc)
	case "empty_stream":
		doEmptyStream(tc)
	case "timeout_on_sleeping_server":
		doTimeoutOnSleepingServer(tc)
	case "compute_engine_creds":
		if !*useTLS {
			grpclog.Fatalf("TLS is not enabled. TLS is required to execute compute_engine_creds test case.")
		}
		doComputeEngineCreds(tc)
	case "service_account_creds":
		if !*useTLS {
			grpclog.Fatalf("TLS is not enabled. TLS is required to execute service_account_creds test case.")
		}
		doServiceAccountCreds(tc)
	case "jwt_token_creds":
		if !*useTLS {
			grpclog.Fatalf("TLS is not enabled. TLS is required to execute jwt_token_creds test case.")
		}
		doJWTTokenCreds(tc)
	case "per_rpc_creds":
		if !*useTLS {
			grpclog.Fatalf("TLS is not enabled. TLS is required to execute per_rpc_creds test case.")
		}
		doPerRPCCreds(tc)
	case "oauth2_auth_token":
		if !*useTLS {
			grpclog.Fatalf("TLS is not enabled. TLS is required to execute oauth2_auth_token test case.")
		}
		doOauth2TokenCreds(tc)
	case "cancel_after_begin":
		doCancelAfterBegin(tc)
	case "cancel_after_first_response":
		doCancelAfterFirstResponse(tc)
	default:
		grpclog.Fatal("Unsupported test case: ", *testCase)
	}
}