Golang runtime.NewServeMux函數代碼示例

func serve(opts []grpc.ServerOption) {
	grpcServer := grpc.NewServer(opts...)
	pb.RegisterYourServiceServer(grpcServer, newServer())
	ctx := context.Background()

	name := fmt.Sprintf("localhost:%d", *port)
	dcreds, err := credentials.NewClientTLSFromFile(*certFile, name)
	if err != nil {
		fmt.Printf("serve: %v\n", err)
		return
	}
	dopts := []grpc.DialOption{grpc.WithTransportCredentials(dcreds)}

	mux := runtime.NewServeMux()
	err = pb.RegisterYourServiceHandlerFromEndpoint(ctx, mux, name, dopts)
	if err != nil {
		fmt.Printf("serve: %v\n", err)
		return
	}

	err = http.ListenAndServeTLS(fmt.Sprintf(":%d", *port), *certFile, *keyFile, grpcHandlerFunc(grpcServer, mux))
	if err != nil {
		log.Fatal("ListenAndServe: ", err)
	}

	return
}

func registerGateway(addr string, opts []grpc.DialOption) (*gw.ServeMux, error) {
	gwmux := gw.NewServeMux()

	err := pb.RegisterKVHandlerFromEndpoint(context.Background(), gwmux, addr, opts)
	if err != nil {
		return nil, err
	}
	err = pb.RegisterWatchHandlerFromEndpoint(context.Background(), gwmux, addr, opts)
	if err != nil {
		return nil, err
	}
	err = pb.RegisterLeaseHandlerFromEndpoint(context.Background(), gwmux, addr, opts)
	if err != nil {
		return nil, err
	}
	err = pb.RegisterClusterHandlerFromEndpoint(context.Background(), gwmux, addr, opts)
	if err != nil {
		return nil, err
	}
	err = pb.RegisterMaintenanceHandlerFromEndpoint(context.Background(), gwmux, addr, opts)
	if err != nil {
		return nil, err
	}
	err = pb.RegisterAuthHandlerFromEndpoint(context.Background(), gwmux, addr, opts)
	if err != nil {
		return nil, err
	}
	return gwmux, nil
}

// NewHttpGrpcHandler - Will return back new HTTP GRPC handler
func NewHttpGrpcHandler(serv services.Servicer, logger *logging.Entry, handler func(context.Context, *runtime.ServeMux, *grpc.ClientConn) error) (*HttpGrpcHandler, error) {
	grpcAddr, ok := serv.GetOptions().Get("grpc-addr")

	if !ok {
		return nil, errors.New("In order to register new grpc http handler `grpc-addr` must be set.")
	}

	certFile, ok := serv.GetOptions().Get("grpc-tls-cert")

	if !ok {
		return nil, errors.New("In order to register new grpc http handler `grpc-tls-cert` must be set.")
	}

	certDomain, ok := serv.GetOptions().Get("grpc-tls-domain")
	if !ok {
		return nil, errors.New("In order to register new grpc http handler `grpc-tls-domain` must be set.")
	}

	httpgrpc := &HttpGrpcHandler{
		ctx:        context.Background(),
		ServeMux:   runtime.NewServeMux(),
		Servicer:   serv,
		Entry:      logger,
		GrpcAddr:   grpcAddr,
		CertFile:   certFile,
		CertDomain: certDomain,
	}

	// Will register provider handler (protocol buffer client) and start grpc.Dial
	if err := httpgrpc.RegisterHandlerTLS(handler); err != nil {
		return nil, err
	}

	return httpgrpc, nil
}

func main() {
	ctx := context.Background()
	ctx, cancel := context.WithCancel(ctx)
	defer cancel()

	mux := runtime.NewServeMux()
	err := player.RegisterPlayerHandlerFromEndpoint(ctx, mux, ":2015")
	if err != nil {
		log.Fatal("Couldn't register: ", err)
	}

	http.ListenAndServe(":2017", mux)
}

func run() error {
	ctx := context.Background()
	ctx, cancel := context.WithCancel(ctx)
	defer cancel()

	mux := runtime.NewServeMux()
	err := gw.RegisterYourServiceHandlerFromEndpoint(ctx, mux, *echoEndpoint)
	if err != nil {
		return err
	}

	http.ListenAndServe(":8080", mux)
	return nil
}

func Run() error {
	ctx := context.Background()
	ctx, cancel := context.WithCancel(ctx)
	defer cancel()

	mux := runtime.NewServeMux()
	err := RegisterEchoServiceHandlerFromEndpoint(ctx, mux, *echoEndpoint)
	if err != nil {
		return err
	}
	err = RegisterABitOfEverythingServiceHandlerFromEndpoint(ctx, mux, *abeEndpoint)
	if err != nil {
		return err
	}

	http.ListenAndServe(":8080", mux)
	return nil
}

// newAdminServer allocates and returns a new REST server for
// administrative APIs.
func newAdminServer(s *Server) *adminServer {
	server := &adminServer{
		ServeMux: http.NewServeMux(),
		server:   s,
	}

	// Register HTTP handlers.
	server.ServeMux.HandleFunc(debugEndpoint, server.handleDebug)
	// TODO(cdo): Move quit and health endpoints to gRPC.
	server.ServeMux.HandleFunc(quitPath, server.handleQuit)
	server.ServeMux.HandleFunc(healthPath, server.handleHealth)

	// Initialize grpc-gateway mux and context.
	server.gwMux = gwruntime.NewServeMux()
	server.gwCtx, server.gwCancel = context.WithCancel(context.Background())

	return server
}

func runRest() error {
	ctx := context.Background()

	mux := runtime.NewServeMux()
	client, err := grpc.Dial(fmt.Sprintf("127.0.0.1:%d", *grpcPort))
	if err != nil {
		return err
	}
	err = pb_dpl.RegisterDeploymentsHandler(ctx, mux, client)
	if err != nil {
		return err
	}
	go func() {
		bindTo := fmt.Sprintf(":%d", *restPort)
		logger.Infof("REST litening %v", bindTo)
		http.ListenAndServe(bindTo, mux)
	}()
	return nil
}

// newAdminServer allocates and returns a new REST server for
// administrative APIs.
func newAdminServer(db *client.DB, stopper *stop.Stopper, sqlExecutor *sql.Executor) *adminServer {
	server := &adminServer{
		db:          db,
		stopper:     stopper,
		sqlExecutor: sqlExecutor,
		ServeMux:    http.NewServeMux(),
	}

	// Register HTTP handlers.
	server.ServeMux.HandleFunc(debugEndpoint, server.handleDebug)
	// TODO(cdo): Move quit and health endpoints to gRPC.
	server.ServeMux.HandleFunc(quitPath, server.handleQuit)
	server.ServeMux.HandleFunc(healthPath, server.handleHealth)

	// Initialize grpc-gateway mux and context.
	server.gwMux = gwruntime.NewServeMux()
	server.gwCtx, server.gwCancel = context.WithCancel(context.Background())

	return server
}

func Run(address string, opts ...runtime.ServeMuxOption) error {
	ctx := context.Background()
	ctx, cancel := context.WithCancel(ctx)
	defer cancel()

	mux := runtime.NewServeMux(opts...)
	err := examplepb.RegisterEchoServiceHandlerFromEndpoint(ctx, mux, *echoEndpoint)
	if err != nil {
		return err
	}
	err = examplepb.RegisterABitOfEverythingServiceHandlerFromEndpoint(ctx, mux, *abeEndpoint)
	if err != nil {
		return err
	}
	err = examplepb.RegisterFlowCombinationHandlerFromEndpoint(ctx, mux, *flowEndpoint)
	if err != nil {
		return err
	}

	http.ListenAndServe(address, mux)
	return nil
}

// ServeWithHTTP serves stuff.
func ServeWithHTTP(
	registerFunc func(*grpc.Server),
	httpRegisterFunc func(context.Context, *runtime.ServeMux, *grpc.ClientConn) error,
	options ServeWithHTTPOptions,
	serveEnv ServeEnv,
	handlerEnv pkghttp.HandlerEnv,
) (retErr error) {
	defer func(start time.Time) { logServerFinished(start, retErr) }(time.Now())
	if registerFunc == nil || httpRegisterFunc == nil {
		return ErrMustSpecifyRegisterFunc
	}
	if serveEnv.GRPCPort == 0 {
		serveEnv.GRPCPort = 7070
	}
	if handlerEnv.Port == 0 {
		handlerEnv.Port = 8080
	}

	grpcServer := grpc.NewServer(grpc.MaxConcurrentStreams(math.MaxUint32))
	registerFunc(grpcServer)
	if options.Version != nil {
		protoversion.RegisterAPIServer(grpcServer, protoversion.NewAPIServer(options.Version, protoversion.APIServerOptions{}))
	}
	listener, err := net.Listen("tcp", fmt.Sprintf(":%d", serveEnv.GRPCPort))
	if err != nil {
		return err
	}
	grpcErrC := make(chan error)
	go func() { grpcErrC <- grpcServer.Serve(listener) }()

	time.Sleep(1 * time.Second)
	ctx, cancel := context.WithCancel(context.Background())
	conn, err := grpc.Dial(fmt.Sprintf("0.0.0.0:%d", serveEnv.GRPCPort), grpc.WithInsecure())
	if err != nil {
		cancel()
		return err
	}
	go func() {
		<-ctx.Done()
		_ = conn.Close()
	}()
	mux := runtime.NewServeMux()
	if options.Version != nil {
		if err := protoversion.RegisterAPIHandler(ctx, mux, conn); err != nil {
			cancel()
			return err
		}
	}
	if err := httpRegisterFunc(ctx, mux, conn); err != nil {
		cancel()
		return err
	}
	var handler http.Handler = mux
	if options.HTTPHandlerModifier != nil {
		handler, err = options.HTTPHandlerModifier(mux)
		if err != nil {
			cancel()
			return err
		}
	}
	httpErrC := make(chan error)
	go func() { httpErrC <- pkghttp.ListenAndServe(handler, handlerEnv) }()
	protolion.Info(
		&ServerStarted{
			Port:     uint32(serveEnv.GRPCPort),
			HttpPort: uint32(handlerEnv.Port),
		},
	)
	var errs []error
	grpcStopped := false
	for i := 0; i < 2; i++ {
		select {
		case grpcErr := <-grpcErrC:
			if grpcErr != nil {
				errs = append(errs, fmt.Errorf("grpc error: %s", grpcErr.Error()))
			}
			grpcStopped = true
		case httpErr := <-httpErrC:
			if httpErr != nil {
				errs = append(errs, fmt.Errorf("http error: %s", httpErr.Error()))
			}
			if !grpcStopped {
				grpcServer.Stop()
				_ = listener.Close()
				grpcStopped = true
			}
		}
	}
	if len(errs) > 0 {
		return fmt.Errorf("%v", errs)
	}
	return nil
}

//.........這裏部分代碼省略.........
		{
			patterns: []stubPattern{
				{
					method: "GET",
					ops:    []int{int(utilities.OpLitPush), 0},
					pool:   []string{"foo"},
				},
			},
			reqMethod:  "DELETE",
			reqPath:    "/foo",
			respStatus: http.StatusMethodNotAllowed,
		},
		{
			patterns: []stubPattern{
				{
					method: "GET",
					ops:    []int{int(utilities.OpLitPush), 0},
					pool:   []string{"foo"},
				},
			},
			reqMethod: "POST",
			reqPath:   "/foo",
			headers: map[string]string{
				"Content-Type": "application/x-www-form-urlencoded",
			},
			respStatus:  http.StatusOK,
			respContent: "GET /foo",
		},
		{
			patterns: []stubPattern{
				{
					method: "GET",
					ops:    []int{int(utilities.OpLitPush), 0},
					pool:   []string{"foo"},
				},
				{
					method: "POST",
					ops:    []int{int(utilities.OpLitPush), 0},
					pool:   []string{"foo"},
				},
			},
			reqMethod: "POST",
			reqPath:   "/foo",
			headers: map[string]string{
				"Content-Type":           "application/x-www-form-urlencoded",
				"X-HTTP-Method-Override": "GET",
			},
			respStatus:  http.StatusOK,
			respContent: "GET /foo",
		},
		{
			patterns: []stubPattern{
				{
					method: "GET",
					ops:    []int{int(utilities.OpLitPush), 0},
					pool:   []string{"foo"},
				},
			},
			reqMethod: "POST",
			reqPath:   "/foo",
			headers: map[string]string{
				"Content-Type": "application/json",
			},
			respStatus: http.StatusMethodNotAllowed,
		},
	} {
		mux := runtime.NewServeMux()
		for _, p := range spec.patterns {
			func(p stubPattern) {
				pat, err := runtime.NewPattern(1, p.ops, p.pool, "")
				if err != nil {
					t.Fatalf("runtime.NewPattern(1, %#v, %#v, %q) failed with %v; want success", p.ops, p.pool, "", err)
				}
				mux.Handle(p.method, pat, func(w http.ResponseWriter, r *http.Request, pathParams map[string]string) {
					fmt.Fprintf(w, "%s %s", p.method, pat.String())
				})
			}(p)
		}

		url := fmt.Sprintf("http://host.example%s", spec.reqPath)
		r, err := http.NewRequest(spec.reqMethod, url, bytes.NewReader(nil))
		if err != nil {
			t.Fatalf("http.NewRequest(%q, %q, nil) failed with %v; want success", spec.reqMethod, url, err)
		}
		for name, value := range spec.headers {
			r.Header.Set(name, value)
		}
		w := httptest.NewRecorder()
		mux.ServeHTTP(w, r)

		if got, want := w.Code, spec.respStatus; got != want {
			t.Errorf("w.Code = %d; want %d; patterns=%v; req=%v", got, want, spec.patterns, r)
		}
		if spec.respContent != "" {
			if got, want := w.Body.String(), spec.respContent; got != want {
				t.Errorf("w.Body = %q; want %q; patterns=%v; req=%v", got, want, spec.patterns, r)
			}
		}
	}
}

func (s *server) Serve() (retErr error) {
	var listener net.Listener
	var spec string
	var err error
	var addr string
	switch s.protocol {
	case protocolTCP:
		listener, spec, err = newTCPListener(s.driverName, s.groupOrAddress)
		addr = s.groupOrAddress
	case protocolUnix:
		listener, spec, err = newUnixListener(s.driverName, s.groupOrAddress)
		addr = s.driverName
	default:
		return fmt.Errorf("unknown protocol: %d", s.protocol)
	}
	if err != nil {
		return err
	}
	grpcPort := s.opts.GRPCPort
	if grpcPort == 0 {
		grpcPort = DefaultGRPCPort
	}

	grpcServer := grpc.NewServer(grpc.MaxConcurrentStreams(math.MaxUint32))
	RegisterAPIServer(grpcServer, s.apiServer)
	s.registerFunc(grpcServer)
	grpcListener, err := net.Listen("tcp", fmt.Sprintf(":%d", grpcPort))
	if err != nil {
		return err
	}
	grpcErrC := make(chan error)
	httpErrC := make(chan error)
	errCCount := 1
	go func() { grpcErrC <- grpcServer.Serve(grpcListener) }()
	time.Sleep(1 * time.Second)
	ctx, cancel := context.WithCancel(context.Background())
	mux := runtime.NewServeMux(
		runtime.WithForwardResponseOption(
			func(_ context.Context, responseWriter http.ResponseWriter, _ proto.Message) error {
				responseWriter.Header().Set("Content-Type", "application/vnd.docker.plugins.v1.1+json")
				return nil
			},
		),
	)
	conn, err := grpc.Dial(fmt.Sprintf("0.0.0.0:%d", grpcPort), grpc.WithInsecure())
	if err != nil {
		glog.Flush()
		cancel()
		return err
	}
	go func() {
		<-ctx.Done()
		_ = conn.Close()
	}()
	if err := RegisterAPIHandler(ctx, mux, conn); err != nil {
		_ = conn.Close()
		glog.Flush()
		cancel()
		return err
	}
	if err := s.httpRegisterFunc(ctx, mux, conn); err != nil {
		_ = conn.Close()
		glog.Flush()
		cancel()
		return err
	}
	httpServer := &http.Server{
		Addr:    addr,
		Handler: mux,
	}
	gracefulServer := &graceful.Server{
		Timeout: 1 * time.Second,
		ShutdownInitiated: func() {
			glog.Flush()
			cancel()
			if spec != "" {
				_ = os.Remove(spec)
			}
		},
		Server: httpServer,
	}
	errCCount++
	go func() {
		httpErrC <- gracefulServer.Serve(listener)
	}()
	var errs []error
	grpcStopped := false
	for i := 0; i < errCCount; i++ {
		select {
		case grpcErr := <-grpcErrC:
			if grpcErr != nil {
				errs = append(errs, fmt.Errorf("grpc error: %s", grpcErr.Error()))
			}
			grpcStopped = true
		case httpErr := <-httpErrC:
			if httpErr != nil {
				errs = append(errs, fmt.Errorf("http error: %s", httpErr.Error()))
			}
			if !grpcStopped {
				grpcServer.Stop()
//.........這裏部分代碼省略.........

// Serve serves stuff.
func Serve(
	port uint16,
	registerFunc func(*grpc.Server),
	opts ServeOptions,
) (retErr error) {
	start := time.Now()
	defer func() {
		if retErr != nil {
			protolog.Error(
				&ServerFinished{
					Error:    retErr.Error(),
					Duration: prototime.DurationToProto(time.Since(start)),
				},
			)
		} else {
			protolog.Info(
				&ServerFinished{
					Duration: prototime.DurationToProto(time.Since(start)),
				},
			)
		}
	}()
	if port == 0 {
		return ErrMustSpecifyPort
	}
	if registerFunc == nil {
		return ErrMustSpecifyRegisterFunc
	}
	if opts.HTTPPort != 0 && opts.HTTPAddress != "" {
		return ErrCannotSpecifyBothHTTPPortAndHTTPAddress
	}
	s := grpc.NewServer(grpc.MaxConcurrentStreams(math.MaxUint32))
	registerFunc(s)
	if opts.Version != nil {
		protoversion.RegisterAPIServer(s, protoversion.NewAPIServer(opts.Version))
	}
	listener, err := net.Listen("tcp", fmt.Sprintf(":%d", port))
	if err != nil {
		return err
	}
	grpcErrC := make(chan error)
	grpcDebugErrC := make(chan error)
	httpErrC := make(chan error)
	errCCount := 1
	go func() { grpcErrC <- s.Serve(listener) }()
	if opts.DebugPort != 0 {
		errCCount++
		debugServer := &graceful.Server{
			Timeout: 1 * time.Second,
			Server: &http.Server{
				Addr:    fmt.Sprintf(":%d", opts.DebugPort),
				Handler: http.DefaultServeMux,
			},
		}
		go func() { grpcDebugErrC <- debugServer.ListenAndServe() }()
	}
	if (opts.HTTPPort != 0 || opts.HTTPAddress != "") && (opts.Version != nil || opts.HTTPRegisterFunc != nil) {
		time.Sleep(1 * time.Second)
		ctx, cancel := context.WithCancel(context.Background())
		var mux *runtime.ServeMux
		if len(opts.ServeMuxOptions) == 0 {
			mux = runtime.NewServeMux()
		} else {
			mux = runtime.NewServeMux(opts.ServeMuxOptions...)
		}
		conn, err := grpc.Dial(fmt.Sprintf("0.0.0.0:%d", port), grpc.WithInsecure())
		if err != nil {
			glog.Flush()
			cancel()
			return err
		}
		go func() {
			<-ctx.Done()
			_ = conn.Close()
		}()
		if opts.Version != nil {
			if err := protoversion.RegisterAPIHandler(ctx, mux, conn); err != nil {
				_ = conn.Close()
				glog.Flush()
				cancel()
				return err
			}
		}
		if opts.HTTPRegisterFunc != nil {
			if err := opts.HTTPRegisterFunc(ctx, mux, conn); err != nil {
				_ = conn.Close()
				glog.Flush()
				cancel()
				return err
			}
		}
		httpAddress := fmt.Sprintf(":%d", opts.HTTPPort)
		if opts.HTTPAddress != "" {
			httpAddress = opts.HTTPAddress
		}
		httpServer := &http.Server{
			Addr:    httpAddress,
			Handler: mux,
		}
//.........這裏部分代碼省略.........

//.........這裏部分代碼省略.........
	// Begin recording time series data collected by the status monitor.
	s.tsDB.PollSource(s.recorder, s.ctx.MetricsSampleInterval, ts.Resolution10s, s.stopper)

	// Begin recording status summaries.
	s.node.startWriteSummaries(s.ctx.MetricsSampleInterval)

	s.sqlExecutor.SetNodeID(s.node.Descriptor.NodeID)

	// Create and start the schema change manager only after a NodeID
	// has been assigned.
	testingKnobs := new(sql.SchemaChangeManagerTestingKnobs)
	if s.ctx.TestingKnobs.SQLSchemaChangeManager != nil {
		testingKnobs = s.ctx.TestingKnobs.SQLSchemaChangeManager.(*sql.SchemaChangeManagerTestingKnobs)
	}
	sql.NewSchemaChangeManager(testingKnobs, *s.db, s.gossip, s.leaseMgr).Start(s.stopper)

	log.Infof("starting %s server at %s", s.ctx.HTTPRequestScheme(), unresolvedHTTPAddr)
	log.Infof("starting grpc/postgres server at %s", unresolvedAddr)
	if len(s.ctx.SocketFile) != 0 {
		log.Infof("starting postgres server at unix:%s", s.ctx.SocketFile)
	}

	s.stopper.RunWorker(func() {
		netutil.FatalIfUnexpected(m.Serve())
	})

	// Initialize grpc-gateway mux and context.
	jsonpb := &util.JSONPb{
		EnumsAsInts:  true,
		EmitDefaults: true,
		Indent:       "  ",
	}
	protopb := new(util.ProtoPb)
	gwMux := gwruntime.NewServeMux(
		gwruntime.WithMarshalerOption(gwruntime.MIMEWildcard, jsonpb),
		gwruntime.WithMarshalerOption(util.JSONContentType, jsonpb),
		gwruntime.WithMarshalerOption(util.AltJSONContentType, jsonpb),
		gwruntime.WithMarshalerOption(util.ProtoContentType, protopb),
		gwruntime.WithMarshalerOption(util.AltProtoContentType, protopb),
	)
	gwCtx, gwCancel := context.WithCancel(context.Background())
	s.stopper.AddCloser(stop.CloserFn(gwCancel))

	// Setup HTTP<->gRPC handlers.
	var opts []grpc.DialOption
	if s.ctx.Insecure {
		opts = append(opts, grpc.WithInsecure())
	} else {
		tlsConfig, err := s.ctx.GetClientTLSConfig()
		if err != nil {
			return err
		}
		opts = append(
			opts,
			// TODO(tamird): remove this timeout. It is currently necessary because
			// GRPC will not actually bail on a bad certificate error - it will just
			// retry indefinitely. See https://github.com/grpc/grpc-go/issues/622.
			grpc.WithTimeout(base.NetworkTimeout),
			grpc.WithBlock(),
			grpc.WithTransportCredentials(credentials.NewTLS(tlsConfig)),
		)
	}

	conn, err := s.rpcContext.GRPCDial(s.ctx.Addr, opts...)
	if err != nil {
		return errors.Errorf("error constructing grpc-gateway: %s; are your certificates valid?", err)