func doClientStreaming(tc testpb.TestServiceClient) {
stream, err := tc.StreamingInputCall(context.Background())
if err != nil {
grpclog.Fatalf("%v.StreamingInputCall(_) = _, %v", tc, err)
}
var sum int
for _, s := range reqSizes {
pl := newPayload(testpb.PayloadType_COMPRESSABLE, s)
req := &testpb.StreamingInputCallRequest{
Payload: pl,
}
if err := stream.Send(req); err != nil {
grpclog.Fatalf("%v.Send(%v) = %v", stream, req, err)
}
sum += s
grpclog.Printf("Sent a request of size %d, aggregated size %d", s, sum)
}
reply, err := stream.CloseAndRecv()
if err != nil {
grpclog.Fatalf("%v.CloseAndRecv() got error %v, want %v", stream, err, nil)
}
if reply.GetAggregatedPayloadSize() != int32(sum) {
grpclog.Fatalf("%v.CloseAndRecv().GetAggregatePayloadSize() = %v; want %v", stream, reply.GetAggregatedPayloadSize(), sum)
}
grpclog.Println("ClientStreaming done")
}
func doCancelAfterFirstResponse(tc testpb.TestServiceClient) {
ctx, cancel := context.WithCancel(context.Background())
stream, err := tc.FullDuplexCall(ctx)
if err != nil {
grpclog.Fatalf("%v.FullDuplexCall(_) = _, %v", tc, err)
}
respParam := []*testpb.ResponseParameters{
{
Size: proto.Int32(31415),
},
}
pl := newPayload(testpb.PayloadType_COMPRESSABLE, 27182)
req := &testpb.StreamingOutputCallRequest{
ResponseType: testpb.PayloadType_COMPRESSABLE.Enum(),
ResponseParameters: respParam,
Payload: pl,
}
if err := stream.Send(req); err != nil {
grpclog.Fatalf("%v.Send(%v) = %v", stream, req, err)
}
if _, err := stream.Recv(); err != nil {
grpclog.Fatalf("%v.Recv() = %v", stream, err)
}
cancel()
if _, err := stream.Recv(); grpc.Code(err) != codes.Canceled {
grpclog.Fatalf("%v compleled with error code %d, want %d", stream, grpc.Code(err), codes.Canceled)
}
grpclog.Println("CancelAfterFirstResponse done")
}
// loadFeatures loads features from a JSON file.
func (s *routeGuideServer) loadFeatures(filePath string) {
file, err := ioutil.ReadFile(filePath)
if err != nil {
grpclog.Fatalf("Failed to load default features: %v", err)
}
if err := json.Unmarshal(file, &s.savedFeatures); err != nil {
grpclog.Fatalf("Failed to load default features: %v", err)
}
}
func doCancelAfterBegin(tc testpb.TestServiceClient) {
ctx, cancel := context.WithCancel(metadata.NewContext(context.Background(), testMetadata))
stream, err := tc.StreamingInputCall(ctx)
if err != nil {
grpclog.Fatalf("%v.StreamingInputCall(_) = _, %v", tc, err)
}
cancel()
_, err = stream.CloseAndRecv()
if grpc.Code(err) != codes.Canceled {
grpclog.Fatalf("%v.CloseAndRecv() got error code %d, want %d", stream, grpc.Code(err), codes.Canceled)
}
grpclog.Println("CancelAfterBegin done")
}
func main() {
flag.Parse()
go func() {
lis, err := net.Listen("tcp", ":0")
if err != nil {
grpclog.Fatalf("Failed to listen: %v", err)
}
grpclog.Println("Client profiling address: ", lis.Addr().String())
if err := http.Serve(lis, nil); err != nil {
grpclog.Fatalf("Failed to serve: %v", err)
}
}()
closeLoop()
}
func (s *testServer) FullDuplexCall(stream testpb.TestService_FullDuplexCallServer) error {
md, ok := metadata.FromContext(stream.Context())
if ok {
if err := stream.SendHeader(md); err != nil {
grpclog.Fatalf("%v.SendHeader(%v) = %v, want %v", stream, md, err, nil)
}
stream.SetTrailer(md)
}
for {
in, err := stream.Recv()
if err == io.EOF {
// read done.
return nil
}
if err != nil {
return err
}
cs := in.GetResponseParameters()
for _, c := range cs {
if us := c.GetIntervalUs(); us > 0 {
time.Sleep(time.Duration(us) * time.Microsecond)
}
if err := stream.Send(&testpb.StreamingOutputCallResponse{
Payload: newPayload(in.GetResponseType(), c.GetSize()),
}); err != nil {
return err
}
}
}
}
// NewClientConn creates a gRPC client connection to addr.
func NewClientConn(addr string) *grpc.ClientConn {
conn, err := grpc.Dial(addr)
if err != nil {
grpclog.Fatalf("NewClientConn(%q) failed to create a ClientConn %v", addr, err)
}
return conn
}
func getServiceAccountJSONKey() []byte {
jsonKey, err := ioutil.ReadFile(*serviceAccountKeyFile)
if err != nil {
grpclog.Fatalf("Failed to read the service account key file: %v", err)
}
return jsonKey
}
// start starts server. Other goroutines should block on s.readyChan for futher operations.
func (s *server) start(port int, maxStreams uint32, ht hType) {
var err error
if port == 0 {
s.lis, err = net.Listen("tcp", ":0")
} else {
s.lis, err = net.Listen("tcp", ":"+strconv.Itoa(port))
}
if err != nil {
grpclog.Fatalf("failed to listen: %v", err)
}
_, p, err := net.SplitHostPort(s.lis.Addr().String())
if err != nil {
grpclog.Fatalf("failed to parse listener address: %v", err)
}
s.port = p
s.conns = make(map[ServerTransport]bool)
if s.readyChan != nil {
close(s.readyChan)
}
for {
conn, err := s.lis.Accept()
if err != nil {
return
}
t, err := NewServerTransport("http2", conn, maxStreams)
if err != nil {
return
}
s.mu.Lock()
if s.conns == nil {
s.mu.Unlock()
t.Close()
return
}
s.conns[t] = true
s.mu.Unlock()
h := &testStreamHandler{t}
switch ht {
case suspended:
go t.HandleStreams(h.handleStreamSuspension)
case misbehaved:
go t.HandleStreams(h.handleStreamMisbehave)
default:
go t.HandleStreams(h.handleStream)
}
}
}
// printFeature gets the feature for the given point.
func printFeature(client pb.RouteGuideClient, point *pb.Point) {
grpclog.Printf("Getting feature for point (%d, %d)", point.Latitude, point.Longitude)
feature, err := client.GetFeature(context.Background(), point)
if err != nil {
grpclog.Fatalf("%v.GetFeatures(_) = _, %v: ", client, err)
}
grpclog.Println(feature)
}
func setUp(maxStream uint32, 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 {
grpclog.Fatalf("Failed to listen: %v", err)
}
if e.security == "tls" {
creds, err := credentials.NewServerTLSFromFile(tlsDir+"server1.pem", tlsDir+"server1.key")
if err != nil {
grpclog.Fatalf("Failed to generate credentials %v", err)
}
sopts = append(sopts, grpc.Creds(creds))
}
s = grpc.NewServer(sopts...)
testpb.RegisterTestServiceServer(s, &testServer{})
go s.Serve(lis)
addr := la
switch e.network {
case "unix":
default:
_, port, err := net.SplitHostPort(lis.Addr().String())
if err != nil {
grpclog.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 {
grpclog.Fatalf("Failed to create credentials %v", err)
}
cc, err = grpc.Dial(addr, grpc.WithTransportCredentials(creds), grpc.WithDialer(e.dialer))
} else {
cc, err = grpc.Dial(addr, grpc.WithDialer(e.dialer))
}
if err != nil {
grpclog.Fatalf("Dial(%q) = %v", addr, err)
}
return
}
// printFeatures lists all the features within the given bounding Rectangle.
func printFeatures(client pb.RouteGuideClient, rect *pb.Rectangle) {
grpclog.Printf("Looking for features within %v", rect)
stream, err := client.ListFeatures(context.Background(), rect)
if err != nil {
grpclog.Fatalf("%v.ListFeatures(_) = _, %v", client, err)
}
for {
feature, err := stream.Recv()
if err == io.EOF {
break
}
if err != nil {
grpclog.Fatalf("%v.ListFeatures(_) = _, %v", client, err)
}
grpclog.Println(feature)
}
}
func newPayload(t testpb.PayloadType, size int32) *testpb.Payload {
if size < 0 {
grpclog.Fatalf("Requested a response with invalid length %d", size)
}
body := make([]byte, size)
switch t {
case testpb.PayloadType_COMPRESSABLE:
case testpb.PayloadType_UNCOMPRESSABLE:
grpclog.Fatalf("PayloadType UNCOMPRESSABLE is not supported")
default:
grpclog.Fatalf("Unsupported payload type: %d", t)
}
return &testpb.Payload{
Type: t.Enum(),
Body: body,
}
}
func main() {
flag.Parse()
lis, err := net.Listen("tcp", fmt.Sprintf(":%d", *port))
if err != nil {
grpclog.Fatalf("failed to listen: %v", err)
}
var opts []grpc.ServerOption
if *tls {
creds, err := credentials.NewServerTLSFromFile(*certFile, *keyFile)
if err != nil {
grpclog.Fatalf("Failed to generate credentials %v", err)
}
opts = []grpc.ServerOption{grpc.Creds(creds)}
}
grpcServer := grpc.NewServer(opts...)
pb.RegisterRouteGuideServer(grpcServer, newServer())
grpcServer.Serve(lis)
}
func doServerStreaming(tc testpb.TestServiceClient) {
respParam := make([]*testpb.ResponseParameters, len(respSizes))
for i, s := range respSizes {
respParam[i] = &testpb.ResponseParameters{
Size: proto.Int32(int32(s)),
}
}
req := &testpb.StreamingOutputCallRequest{
ResponseType: testpb.PayloadType_COMPRESSABLE.Enum(),
ResponseParameters: respParam,
}
stream, err := tc.StreamingOutputCall(context.Background(), req)
if err != nil {
grpclog.Fatalf("%v.StreamingOutputCall(_) = _, %v", tc, err)
}
var rpcStatus error
var respCnt int
var index int
for {
reply, err := stream.Recv()
if err != nil {
rpcStatus = err
break
}
t := reply.GetPayload().GetType()
if t != testpb.PayloadType_COMPRESSABLE {
grpclog.Fatalf("Got the reply of type %d, want %d", t, testpb.PayloadType_COMPRESSABLE)
}
size := len(reply.GetPayload().GetBody())
if size != int(respSizes[index]) {
grpclog.Fatalf("Got reply body of length %d, want %d", size, respSizes[index])
}
index++
respCnt++
}
if rpcStatus != io.EOF {
grpclog.Fatalf("Failed to finish the server streaming rpc: %v", err)
}
if respCnt != len(respSizes) {
grpclog.Fatalf("Got %d reply, want %d", len(respSizes), respCnt)
}
grpclog.Println("ServerStreaming done")
}
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, &testServer{})
server.Serve(lis)
}
func doEmptyUnaryCall(tc testpb.TestServiceClient) {
reply, err := tc.EmptyCall(context.Background(), &testpb.Empty{})
if err != nil {
grpclog.Fatal("/TestService/EmptyCall RPC failed: ", err)
}
if !proto.Equal(&testpb.Empty{}, reply) {
grpclog.Fatalf("/TestService/EmptyCall receives %v, want %v", reply, testpb.Empty{})
}
grpclog.Println("EmptyUnaryCall done")
}
func main() {
flag.Parse()
var opts []grpc.DialOption
if *tls {
var sn string
if *serverHostOverride != "" {
sn = *serverHostOverride
}
var creds credentials.TransportAuthenticator
if *caFile != "" {
var err error
creds, err = credentials.NewClientTLSFromFile(*caFile, 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))
}
conn, err := grpc.Dial(*serverAddr, opts...)
if err != nil {
grpclog.Fatalf("fail to dial: %v", err)
}
defer conn.Close()
client := pb.NewRouteGuideClient(conn)
// Looking for a valid feature
printFeature(client, &pb.Point{409146138, -746188906})
// Feature missing.
printFeature(client, &pb.Point{0, 0})
// Looking for features between 40, -75 and 42, -73.
printFeatures(client, &pb.Rectangle{&pb.Point{400000000, -750000000}, &pb.Point{420000000, -730000000}})
// RecordRoute
runRecordRoute(client)
// RouteChat
runRouteChat(client)
}
// StartServer starts a gRPC server serving a benchmark service. It returns its
// listen address and a function to stop the server.
func StartServer() (string, func()) {
lis, err := net.Listen("tcp", ":0")
if err != nil {
grpclog.Fatalf("Failed to listen: %v", err)
}
s := grpc.NewServer(grpc.MaxConcurrentStreams(math.MaxUint32))
testpb.RegisterTestServiceServer(s, &testServer{})
go s.Serve(lis)
return lis.Addr().String(), func() {
s.Stop()
}
}
func doComputeEngineCreds(tc testpb.TestServiceClient) {
pl := newPayload(testpb.PayloadType_COMPRESSABLE, largeReqSize)
req := &testpb.SimpleRequest{
ResponseType: testpb.PayloadType_COMPRESSABLE.Enum(),
ResponseSize: proto.Int32(int32(largeRespSize)),
Payload: pl,
FillUsername: proto.Bool(true),
FillOauthScope: proto.Bool(true),
}
reply, err := tc.UnaryCall(context.Background(), req)
if err != nil {
grpclog.Fatal("/TestService/UnaryCall RPC failed: ", err)
}
user := reply.GetUsername()
scope := reply.GetOauthScope()
if user != *defaultServiceAccount {
grpclog.Fatalf("Got user name %q, want %q.", user, *defaultServiceAccount)
}
if !strings.Contains(*oauthScope, scope) {
grpclog.Fatalf("Got OAuth scope %q which is NOT a substring of %q.", scope, *oauthScope)
}
grpclog.Println("ComputeEngineCreds done")
}
func (s *testServer) UnaryCall(ctx context.Context, in *testpb.SimpleRequest) (*testpb.SimpleResponse, error) {
md, ok := metadata.FromContext(ctx)
if ok {
if err := grpc.SendHeader(ctx, md); err != nil {
grpclog.Fatalf("grpc.SendHeader(%v, %v) = %v, want %v", ctx, md, err, nil)
}
grpc.SetTrailer(ctx, md)
}
// Simulate some service delay.
time.Sleep(2 * time.Millisecond)
return &testpb.SimpleResponse{
Payload: newPayload(in.GetResponseType(), in.GetResponseSize()),
}, nil
}
// runRecordRoute sends a sequence of points to server and expects to get a RouteSummary from server.
func runRecordRoute(client pb.RouteGuideClient) {
// Create a random number of random points
r := rand.New(rand.NewSource(time.Now().UnixNano()))
pointCount := int(r.Int31n(100)) + 2 // Traverse at least two points
var points []*pb.Point
for i := 0; i < pointCount; i++ {
points = append(points, randomPoint(r))
}
grpclog.Printf("Traversing %d points.", len(points))
stream, err := client.RecordRoute(context.Background())
if err != nil {
grpclog.Fatalf("%v.RecordRoute(_) = _, %v", client, err)
}
for _, point := range points {
if err := stream.Send(point); err != nil {
grpclog.Fatalf("%v.Send(%v) = %v", stream, point, err)
}
}
reply, err := stream.CloseAndRecv()
if err != nil {
grpclog.Fatalf("%v.CloseAndRecv() got error %v, want %v", stream, err, nil)
}
grpclog.Printf("Route summary: %v", reply)
}
// runRouteChat receives a sequence of route notes, while sending notes for various locations.
func runRouteChat(client pb.RouteGuideClient) {
notes := []*pb.RouteNote{
{&pb.Point{0, 1}, "First message"},
{&pb.Point{0, 2}, "Second message"},
{&pb.Point{0, 3}, "Third message"},
{&pb.Point{0, 1}, "Fourth message"},
{&pb.Point{0, 2}, "Fifth message"},
{&pb.Point{0, 3}, "Sixth message"},
}
stream, err := client.RouteChat(context.Background())
if err != nil {
grpclog.Fatalf("%v.RouteChat(_) = _, %v", client, err)
}
waitc := make(chan struct{})
go func() {
for {
in, err := stream.Recv()
if err == io.EOF {
// read done.
close(waitc)
return
}
if err != nil {
grpclog.Fatalf("Failed to receive a note : %v", err)
}
grpclog.Printf("Got message %s at point(%d, %d)", in.Message, in.Location.Latitude, in.Location.Longitude)
}
}()
for _, note := range notes {
if err := stream.Send(note); err != nil {
grpclog.Fatalf("Failed to send a note: %v", err)
}
}
stream.CloseSend()
<-waitc
}
func doLargeUnaryCall(tc testpb.TestServiceClient) {
pl := newPayload(testpb.PayloadType_COMPRESSABLE, largeReqSize)
req := &testpb.SimpleRequest{
ResponseType: testpb.PayloadType_COMPRESSABLE.Enum(),
ResponseSize: proto.Int32(int32(largeRespSize)),
Payload: pl,
}
reply, err := tc.UnaryCall(context.Background(), req)
if err != nil {
grpclog.Fatal("/TestService/UnaryCall RPC failed: ", err)
}
t := reply.GetPayload().GetType()
s := len(reply.GetPayload().GetBody())
if t != testpb.PayloadType_COMPRESSABLE || s != largeRespSize {
grpclog.Fatalf("Got the reply with type %d len %d; want %d, %d", t, s, testpb.PayloadType_COMPRESSABLE, largeRespSize)
}
grpclog.Println("LargeUnaryCall done")
}
func (h *testStreamHandler) handleStream(s *Stream) {
req := expectedRequest
resp := expectedResponse
if s.Method() == "foo.Large" {
req = expectedRequestLarge
resp = expectedResponseLarge
}
p := make([]byte, len(req))
_, err := io.ReadFull(s, p)
if err != nil || !bytes.Equal(p, req) {
if err == ErrConnClosing {
return
}
grpclog.Fatalf("handleStream got error: %v, want <nil>; result: %v, want %v", err, p, req)
}
// send a response back to the client.
h.t.Write(s, resp, &Options{})
// send the trailer to end the stream.
h.t.WriteStatus(s, codes.OK, "")
}
func doPingPong(tc testpb.TestServiceClient) {
stream, err := tc.FullDuplexCall(context.Background())
if err != nil {
grpclog.Fatalf("%v.FullDuplexCall(_) = _, %v", tc, err)
}
var index int
for index < len(reqSizes) {
respParam := []*testpb.ResponseParameters{
{
Size: proto.Int32(int32(respSizes[index])),
},
}
pl := newPayload(testpb.PayloadType_COMPRESSABLE, reqSizes[index])
req := &testpb.StreamingOutputCallRequest{
ResponseType: testpb.PayloadType_COMPRESSABLE.Enum(),
ResponseParameters: respParam,
Payload: pl,
}
if err := stream.Send(req); err != nil {
grpclog.Fatalf("%v.Send(%v) = %v", stream, req, err)
}
reply, err := stream.Recv()
if err != nil {
grpclog.Fatalf("%v.Recv() = %v", stream, err)
}
t := reply.GetPayload().GetType()
if t != testpb.PayloadType_COMPRESSABLE {
grpclog.Fatalf("Got the reply of type %d, want %d", t, testpb.PayloadType_COMPRESSABLE)
}
size := len(reply.GetPayload().GetBody())
if size != int(respSizes[index]) {
grpclog.Fatalf("Got reply body of length %d, want %d", size, respSizes[index])
}
index++
}
if err := stream.CloseSend(); err != nil {
grpclog.Fatalf("%v.CloseSend() got %v, want %v", stream, err, nil)
}
if _, err := stream.Recv(); err != io.EOF {
grpclog.Fatalf("%v failed to complele the ping pong test: %v", stream, err)
}
grpclog.Println("Pingpong done")
}
func (h *testStreamHandler) handleStreamMisbehave(s *Stream) {
conn, ok := s.ServerTransport().(*http2Server)
if !ok {
grpclog.Fatalf("Failed to convert %v to *http2Server", s.ServerTransport())
}
size := 1
if s.Method() == "foo.MaxFrame" {
size = http2MaxFrameLen
}
// Drain the client side stream flow control window.
var sent int
for sent <= initialWindowSize {
<-conn.writableChan
if err := conn.framer.writeData(true, s.id, false, make([]byte, size)); err != nil {
conn.writableChan <- 0
break
}
conn.writableChan <- 0
sent += size
}
}
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 *caFile != "" {
var err error
creds, err = credentials.NewClientTLSFromFile(*caFile, 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(credentials.NewComputeEngine()))
} else if *testCase == "service_account_creds" {
jwtCreds, err := credentials.NewServiceAccountFromFile(*serviceAccountKeyFile, *oauthScope)
if err != nil {
grpclog.Fatalf("Failed to create JWT credentials: %v", err)
}
opts = append(opts, grpc.WithPerRPCCredentials(jwtCreds))
}
}
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 "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 "cancel_after_begin":
doCancelAfterBegin(tc)
case "cancel_after_first_response":
doCancelAfterFirstResponse(tc)
default:
grpclog.Fatal("Unsupported test case: ", *testCase)
}
}