prototype of commander

app/commander/commander.go

@@ -0,0 +1,63 @@
+package commander
+
+//go:generate go run $GOPATH/src/v2ray.com/core/common/errors/errorgen/main.go -pkg commander -path App,Commander
+
+import (
+	"context"
+	"net"
+	"sync"
+
+	"google.golang.org/grpc"
+	"v2ray.com/core"
+)
+
+type Commander struct {
+	sync.Mutex
+	server    *grpc.Server
+	config    Config
+	ohm       core.OutboundHandlerManager
+	callbacks []core.ServiceRegistryCallback
+}
+
+func (c *Commander) RegisterService(callback core.ServiceRegistryCallback) {
+	c.Lock()
+	defer c.Unlock()
+
+	if callback == nil {
+		return
+	}
+
+	c.callbacks = append(c.callbacks, callback)
+}
+
+func (c *Commander) Start() error {
+	c.Lock()
+	c.server = grpc.NewServer()
+	for _, callback := range c.callbacks {
+		callback(c.server)
+	}
+	c.Unlock()
+
+	listener := &OutboundListener{
+		buffer: make(chan net.Conn, 4),
+	}
+
+	c.server.Serve(listener)
+
+	c.ohm.RemoveHandler(context.Background(), c.config.Tag)
+	c.ohm.AddHandler(context.Background(), &CommanderOutbound{
+		tag:      c.config.Tag,
+		listener: listener,
+	})
+	return nil
+}
+
+func (c *Commander) Close() {
+	c.Lock()
+	defer c.Unlock()
+
+	if c.server != nil {
+		c.server.Stop()
+		c.server = nil
+	}
+}

app/commander/config.pb.go

@@ -0,0 +1,51 @@
+package commander
+
+import proto "github.com/golang/protobuf/proto"
+import fmt "fmt"
+import math "math"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+
+type Config struct {
+	Tag string `protobuf:"bytes,1,opt,name=tag" json:"tag,omitempty"`
+}
+
+func (m *Config) Reset()                    { *m = Config{} }
+func (m *Config) String() string            { return proto.CompactTextString(m) }
+func (*Config) ProtoMessage()               {}
+func (*Config) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{0} }
+
+func (m *Config) GetTag() string {
+	if m != nil {
+		return m.Tag
+	}
+	return ""
+}
+
+func init() {
+	proto.RegisterType((*Config)(nil), "v2ray.core.app.commander.Config")
+}
+
+func init() { proto.RegisterFile("v2ray.com/core/app/commander/config.proto", fileDescriptor0) }
+
+var fileDescriptor0 = []byte{
+	// 143 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0xd2, 0x2c, 0x33, 0x2a, 0x4a,
+	0xac, 0xd4, 0x4b, 0xce, 0xcf, 0xd5, 0x4f, 0xce, 0x2f, 0x4a, 0xd5, 0x4f, 0x2c, 0x28, 0xd0, 0x4f,
+	0xce, 0xcf, 0xcd, 0x4d, 0xcc, 0x4b, 0x49, 0x2d, 0xd2, 0x4f, 0xce, 0xcf, 0x4b, 0xcb, 0x4c, 0xd7,
+	0x2b, 0x28, 0xca, 0x2f, 0xc9, 0x17, 0x92, 0x80, 0x29, 0x2d, 0x4a, 0xd5, 0x4b, 0x2c, 0x28, 0xd0,
+	0x83, 0x2b, 0x53, 0x92, 0xe2, 0x62, 0x73, 0x06, 0xab, 0x14, 0x12, 0xe0, 0x62, 0x2e, 0x49, 0x4c,
+	0x97, 0x60, 0x54, 0x60, 0xd4, 0xe0, 0x0c, 0x02, 0x31, 0x9d, 0xdc, 0xb8, 0x64, 0x92, 0xf3, 0x73,
+	0xf5, 0x70, 0xe9, 0x0d, 0x60, 0x8c, 0xe2, 0x84, 0x73, 0x56, 0x31, 0x49, 0x84, 0x19, 0x05, 0x25,
+	0x56, 0xea, 0x39, 0x83, 0xd4, 0x39, 0x16, 0x14, 0xe8, 0x39, 0xc3, 0xa4, 0x92, 0xd8, 0xc0, 0x8e,
+	0x30, 0x06, 0x04, 0x00, 0x00, 0xff, 0xff, 0x36, 0x74, 0x98, 0x19, 0xb1, 0x00, 0x00, 0x00,
+}

app/commander/config.proto

@@ -0,0 +1,11 @@
+syntax = "proto3";
+
+package v2ray.core.app.commander;
+option csharp_namespace = "V2Ray.Core.App.Commander";
+option go_package = "commander";
+option java_package = "com.v2ray.core.app.commander";
+option java_multiple_files = true;
+
+message Config {
+  string tag = 1;
+}

app/commander/errors.generated.go

@@ -0,0 +1,5 @@
+package commander
+
+import "v2ray.com/core/common/errors"
+
+func newError(values ...interface{}) *errors.Error { return errors.New(values...).Path("App", "Commander") }

app/commander/outbound.go

@@ -0,0 +1,65 @@
+package commander
+
+import (
+	"context"
+	"net"
+
+	"v2ray.com/core/common/signal"
+	"v2ray.com/core/transport/ray"
+)
+
+type OutboundListener struct {
+	buffer chan net.Conn
+}
+
+func (l *OutboundListener) add(conn net.Conn) {
+	select {
+	case l.buffer <- conn:
+	default:
+		conn.Close()
+	}
+}
+
+func (l *OutboundListener) Accept() (net.Conn, error) {
+	c, open := <-l.buffer
+	if !open {
+		return nil, newError("listener closed")
+	}
+	return c, nil
+}
+
+func (l *OutboundListener) Close() error {
+	close(l.buffer)
+	return nil
+}
+
+func (l *OutboundListener) Addr() net.Addr {
+	return &net.TCPAddr{
+		IP:   net.IP{0, 0, 0, 0},
+		Port: 0,
+	}
+}
+
+type CommanderOutbound struct {
+	tag      string
+	listener *OutboundListener
+}
+
+func (co *CommanderOutbound) Dispatch(ctx context.Context, r ray.OutboundRay) {
+	closeSignal := signal.NewNotifier()
+	c := ray.NewConnection(r.OutboundInput(), r.OutboundOutput(), ray.ConnCloseSignal(closeSignal))
+	co.listener.add(c)
+	<-closeSignal.Wait()
+
+	return
+}
+
+func (co *CommanderOutbound) Tag() string {
+	return co.tag
+}
+
+func (co *CommanderOutbound) Start() error {
+	return nil
+}
+
+func (co *CommanderOutbound) Close() {}

app/proxyman/command/command.go

@@ -0,0 +1,139 @@
+package command
+
+import (
+	"context"
+
+	grpc "google.golang.org/grpc"
+	"v2ray.com/core"
+	"v2ray.com/core/common"
+	"v2ray.com/core/proxy"
+)
+
+type InboundOperation interface {
+	ApplyInbound(context.Context, core.InboundHandler) error
+}
+
+type OutboundOperation interface {
+	ApplyOutbound(context.Context, core.OutboundHandler) error
+}
+
+func (op *AddUserOperation) ApplyInbound(ctx context.Context, handler core.InboundHandler) error {
+	getInbound, ok := handler.(proxy.GetInbound)
+	if !ok {
+		return newError("can't get inbound proxy from handler")
+	}
+	p := getInbound.GetInbound()
+	um, ok := p.(proxy.UserManager)
+	if !ok {
+		return newError("proxy is not an UserManager")
+	}
+	return um.AddUser(ctx, op.User)
+}
+
+func (op *AddUserOperation) ApplyOutbound(ctx context.Context, handler core.OutboundHandler) error {
+	getOutbound, ok := handler.(proxy.GetOutbound)
+	if !ok {
+		return newError("can't get outbound proxy from handler")
+	}
+	p := getOutbound.GetOutbound()
+	um, ok := p.(proxy.UserManager)
+	if !ok {
+		return newError("proxy in not an UserManager")
+	}
+	return um.AddUser(ctx, op.User)
+}
+
+type handlerServer struct {
+	s   *core.Instance
+	ihm core.InboundHandlerManager
+	ohm core.OutboundHandlerManager
+}
+
+func (s *handlerServer) AddInbound(ctx context.Context, request *AddInboundRequest) (*AddInboundResponse, error) {
+	rawHandler, err := s.s.CreateObject(request.Inbound)
+	if err != nil {
+		return nil, err
+	}
+	handler, ok := rawHandler.(core.InboundHandler)
+	if !ok {
+		return nil, newError("not an InboundHandler.")
+	}
+	return &AddInboundResponse{}, s.ihm.AddHandler(ctx, handler)
+}
+
+func (s *handlerServer) RemoveInbound(ctx context.Context, request *RemoveInboundRequest) (*RemoveInboundResponse, error) {
+	return &RemoveInboundResponse{}, s.ihm.RemoveHandler(ctx, request.Tag)
+}
+
+func (s *handlerServer) AlterInbound(ctx context.Context, request *AlterInboundRequest) (*AlterInboundResponse, error) {
+	rawOperation, err := request.Operation.GetInstance()
+	if err != nil {
+		return nil, newError("unknown operation").Base(err)
+	}
+	operation, ok := rawOperation.(InboundOperation)
+	if !ok {
+		return nil, newError("not an inbound operation")
+	}
+
+	handler, err := s.ihm.GetHandler(ctx, request.Tag)
+	if err != nil {
+		return nil, newError("failed to get handler: ", request.Tag).Base(err)
+	}
+
+	return &AlterInboundResponse{}, operation.ApplyInbound(ctx, handler)
+}
+
+func (s *handlerServer) AddOutbound(ctx context.Context, request *AddOutboundRequest) (*AddOutboundResponse, error) {
+	rawHandler, err := s.s.CreateObject(request.Outbound)
+	if err != nil {
+		return nil, err
+	}
+	handler, ok := rawHandler.(core.OutboundHandler)
+	if !ok {
+		return nil, newError("not an OutboundHandler.")
+	}
+	return &AddOutboundResponse{}, s.ohm.AddHandler(ctx, handler)
+}
+
+func (s *handlerServer) RemoveOutbound(ctx context.Context, request *RemoveOutboundRequest) (*RemoveOutboundResponse, error) {
+	return &RemoveOutboundResponse{}, s.ohm.RemoveHandler(ctx, request.Tag)
+}
+
+func (s *handlerServer) AlterOutbound(ctx context.Context, request *AlterOutboundRequest) (*AlterOutboundResponse, error) {
+	rawOperation, err := request.Operation.GetInstance()
+	if err != nil {
+		return nil, newError("unknown operation").Base(err)
+	}
+	operation, ok := rawOperation.(OutboundOperation)
+	if !ok {
+		return nil, newError("not an outbound operation")
+	}
+
+	handler := s.ohm.GetHandler(request.Tag)
+	return &AlterOutboundResponse{}, operation.ApplyOutbound(ctx, handler)
+}
+
+type feature struct{}
+
+func (*feature) Start() error {
+	return nil
+}
+
+func (*feature) Close() {}
+
+func init() {
+	common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, cfg interface{}) (interface{}, error) {
+		s := core.FromContext(ctx)
+		if s == nil {
+			return nil, newError("V is not in context.")
+		}
+		s.Commander().RegisterService(func(server *grpc.Server) {
+			RegisterHandlerServiceServer(server, &handlerServer{
+				s:   s,
+				ihm: s.InboundHandlerManager(),
+				ohm: s.OutboundHandlerManager(),
+			})
+		})
+		return &feature{}, nil
+	}))
+}

app/proxyman/command/command.pb.go

@@ -0,0 +1,520 @@
+package command
+
+import proto "github.com/golang/protobuf/proto"
+import fmt "fmt"
+import math "math"
+import v2ray_core_common_protocol "v2ray.com/core/common/protocol"
+import v2ray_core_common_serial "v2ray.com/core/common/serial"
+import v2ray_core "v2ray.com/core"
+
+import (
+	context "golang.org/x/net/context"
+	grpc "google.golang.org/grpc"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+
+type AddUserOperation struct {
+	User *v2ray_core_common_protocol.User `protobuf:"bytes,1,opt,name=user" json:"user,omitempty"`
+}
+
+func (m *AddUserOperation) Reset()                    { *m = AddUserOperation{} }
+func (m *AddUserOperation) String() string            { return proto.CompactTextString(m) }
+func (*AddUserOperation) ProtoMessage()               {}
+func (*AddUserOperation) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{0} }
+
+func (m *AddUserOperation) GetUser() *v2ray_core_common_protocol.User {
+	if m != nil {
+		return m.User
+	}
+	return nil
+}
+
+type RemoveUserOperation struct {
+	Email string `protobuf:"bytes,1,opt,name=email" json:"email,omitempty"`
+}
+
+func (m *RemoveUserOperation) Reset()                    { *m = RemoveUserOperation{} }
+func (m *RemoveUserOperation) String() string            { return proto.CompactTextString(m) }
+func (*RemoveUserOperation) ProtoMessage()               {}
+func (*RemoveUserOperation) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{1} }
+
+func (m *RemoveUserOperation) GetEmail() string {
+	if m != nil {
+		return m.Email
+	}
+	return ""
+}
+
+type AddInboundRequest struct {
+	Inbound *v2ray_core.InboundHandlerConfig `protobuf:"bytes,1,opt,name=inbound" json:"inbound,omitempty"`
+}
+
+func (m *AddInboundRequest) Reset()                    { *m = AddInboundRequest{} }
+func (m *AddInboundRequest) String() string            { return proto.CompactTextString(m) }
+func (*AddInboundRequest) ProtoMessage()               {}
+func (*AddInboundRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{2} }
+
+func (m *AddInboundRequest) GetInbound() *v2ray_core.InboundHandlerConfig {
+	if m != nil {
+		return m.Inbound
+	}
+	return nil
+}
+
+type AddInboundResponse struct {
+}
+
+func (m *AddInboundResponse) Reset()                    { *m = AddInboundResponse{} }
+func (m *AddInboundResponse) String() string            { return proto.CompactTextString(m) }
+func (*AddInboundResponse) ProtoMessage()               {}
+func (*AddInboundResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{3} }
+
+type RemoveInboundRequest struct {
+	Tag string `protobuf:"bytes,1,opt,name=tag" json:"tag,omitempty"`
+}
+
+func (m *RemoveInboundRequest) Reset()                    { *m = RemoveInboundRequest{} }
+func (m *RemoveInboundRequest) String() string            { return proto.CompactTextString(m) }
+func (*RemoveInboundRequest) ProtoMessage()               {}
+func (*RemoveInboundRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{4} }
+
+func (m *RemoveInboundRequest) GetTag() string {
+	if m != nil {
+		return m.Tag
+	}
+	return ""
+}
+
+type RemoveInboundResponse struct {
+}
+
+func (m *RemoveInboundResponse) Reset()                    { *m = RemoveInboundResponse{} }
+func (m *RemoveInboundResponse) String() string            { return proto.CompactTextString(m) }
+func (*RemoveInboundResponse) ProtoMessage()               {}
+func (*RemoveInboundResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{5} }
+
+type AlterInboundRequest struct {
+	Tag       string                                 `protobuf:"bytes,1,opt,name=tag" json:"tag,omitempty"`
+	Operation *v2ray_core_common_serial.TypedMessage `protobuf:"bytes,2,opt,name=operation" json:"operation,omitempty"`
+}
+
+func (m *AlterInboundRequest) Reset()                    { *m = AlterInboundRequest{} }
+func (m *AlterInboundRequest) String() string            { return proto.CompactTextString(m) }
+func (*AlterInboundRequest) ProtoMessage()               {}
+func (*AlterInboundRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{6} }
+
+func (m *AlterInboundRequest) GetTag() string {
+	if m != nil {
+		return m.Tag
+	}
+	return ""
+}
+
+func (m *AlterInboundRequest) GetOperation() *v2ray_core_common_serial.TypedMessage {
+	if m != nil {
+		return m.Operation
+	}
+	return nil
+}
+
+type AlterInboundResponse struct {
+}
+
+func (m *AlterInboundResponse) Reset()                    { *m = AlterInboundResponse{} }
+func (m *AlterInboundResponse) String() string            { return proto.CompactTextString(m) }
+func (*AlterInboundResponse) ProtoMessage()               {}
+func (*AlterInboundResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{7} }
+
+type AddOutboundRequest struct {
+	Outbound *v2ray_core.OutboundHandlerConfig `protobuf:"bytes,1,opt,name=outbound" json:"outbound,omitempty"`
+}
+
+func (m *AddOutboundRequest) Reset()                    { *m = AddOutboundRequest{} }
+func (m *AddOutboundRequest) String() string            { return proto.CompactTextString(m) }
+func (*AddOutboundRequest) ProtoMessage()               {}
+func (*AddOutboundRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{8} }
+
+func (m *AddOutboundRequest) GetOutbound() *v2ray_core.OutboundHandlerConfig {
+	if m != nil {
+		return m.Outbound
+	}
+	return nil
+}
+
+type AddOutboundResponse struct {
+}
+
+func (m *AddOutboundResponse) Reset()                    { *m = AddOutboundResponse{} }
+func (m *AddOutboundResponse) String() string            { return proto.CompactTextString(m) }
+func (*AddOutboundResponse) ProtoMessage()               {}
+func (*AddOutboundResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{9} }
+
+type RemoveOutboundRequest struct {
+	Tag string `protobuf:"bytes,1,opt,name=tag" json:"tag,omitempty"`
+}
+
+func (m *RemoveOutboundRequest) Reset()                    { *m = RemoveOutboundRequest{} }
+func (m *RemoveOutboundRequest) String() string            { return proto.CompactTextString(m) }
+func (*RemoveOutboundRequest) ProtoMessage()               {}
+func (*RemoveOutboundRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{10} }
+
+func (m *RemoveOutboundRequest) GetTag() string {
+	if m != nil {
+		return m.Tag
+	}
+	return ""
+}
+
+type RemoveOutboundResponse struct {
+}
+
+func (m *RemoveOutboundResponse) Reset()                    { *m = RemoveOutboundResponse{} }
+func (m *RemoveOutboundResponse) String() string            { return proto.CompactTextString(m) }
+func (*RemoveOutboundResponse) ProtoMessage()               {}
+func (*RemoveOutboundResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{11} }
+
+type AlterOutboundRequest struct {
+	Tag       string                                 `protobuf:"bytes,1,opt,name=tag" json:"tag,omitempty"`
+	Operation *v2ray_core_common_serial.TypedMessage `protobuf:"bytes,2,opt,name=operation" json:"operation,omitempty"`
+}
+
+func (m *AlterOutboundRequest) Reset()                    { *m = AlterOutboundRequest{} }
+func (m *AlterOutboundRequest) String() string            { return proto.CompactTextString(m) }
+func (*AlterOutboundRequest) ProtoMessage()               {}
+func (*AlterOutboundRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{12} }
+
+func (m *AlterOutboundRequest) GetTag() string {
+	if m != nil {
+		return m.Tag
+	}
+	return ""
+}
+
+func (m *AlterOutboundRequest) GetOperation() *v2ray_core_common_serial.TypedMessage {
+	if m != nil {
+		return m.Operation
+	}
+	return nil
+}
+
+type AlterOutboundResponse struct {
+}
+
+func (m *AlterOutboundResponse) Reset()                    { *m = AlterOutboundResponse{} }
+func (m *AlterOutboundResponse) String() string            { return proto.CompactTextString(m) }
+func (*AlterOutboundResponse) ProtoMessage()               {}
+func (*AlterOutboundResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{13} }
+
+type Config struct {
+}
+
+func (m *Config) Reset()                    { *m = Config{} }
+func (m *Config) String() string            { return proto.CompactTextString(m) }
+func (*Config) ProtoMessage()               {}
+func (*Config) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{14} }
+
+func init() {
+	proto.RegisterType((*AddUserOperation)(nil), "v2ray.core.app.proxyman.command.AddUserOperation")
+	proto.RegisterType((*RemoveUserOperation)(nil), "v2ray.core.app.proxyman.command.RemoveUserOperation")
+	proto.RegisterType((*AddInboundRequest)(nil), "v2ray.core.app.proxyman.command.AddInboundRequest")
+	proto.RegisterType((*AddInboundResponse)(nil), "v2ray.core.app.proxyman.command.AddInboundResponse")
+	proto.RegisterType((*RemoveInboundRequest)(nil), "v2ray.core.app.proxyman.command.RemoveInboundRequest")
+	proto.RegisterType((*RemoveInboundResponse)(nil), "v2ray.core.app.proxyman.command.RemoveInboundResponse")
+	proto.RegisterType((*AlterInboundRequest)(nil), "v2ray.core.app.proxyman.command.AlterInboundRequest")
+	proto.RegisterType((*AlterInboundResponse)(nil), "v2ray.core.app.proxyman.command.AlterInboundResponse")
+	proto.RegisterType((*AddOutboundRequest)(nil), "v2ray.core.app.proxyman.command.AddOutboundRequest")
+	proto.RegisterType((*AddOutboundResponse)(nil), "v2ray.core.app.proxyman.command.AddOutboundResponse")
+	proto.RegisterType((*RemoveOutboundRequest)(nil), "v2ray.core.app.proxyman.command.RemoveOutboundRequest")
+	proto.RegisterType((*RemoveOutboundResponse)(nil), "v2ray.core.app.proxyman.command.RemoveOutboundResponse")
+	proto.RegisterType((*AlterOutboundRequest)(nil), "v2ray.core.app.proxyman.command.AlterOutboundRequest")
+	proto.RegisterType((*AlterOutboundResponse)(nil), "v2ray.core.app.proxyman.command.AlterOutboundResponse")
+	proto.RegisterType((*Config)(nil), "v2ray.core.app.proxyman.command.Config")
+}
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ context.Context
+var _ grpc.ClientConn
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+const _ = grpc.SupportPackageIsVersion4
+
+// Client API for HandlerService service
+
+type HandlerServiceClient interface {
+	AddInbound(ctx context.Context, in *AddInboundRequest, opts ...grpc.CallOption) (*AddInboundResponse, error)
+	RemoveInbound(ctx context.Context, in *RemoveInboundRequest, opts ...grpc.CallOption) (*RemoveInboundResponse, error)
+	AlterInbound(ctx context.Context, in *AlterInboundRequest, opts ...grpc.CallOption) (*AlterInboundResponse, error)
+	AddOutbound(ctx context.Context, in *AddOutboundRequest, opts ...grpc.CallOption) (*AddOutboundResponse, error)
+	RemoveOutbound(ctx context.Context, in *RemoveOutboundRequest, opts ...grpc.CallOption) (*RemoveOutboundResponse, error)
+	AlterOutbound(ctx context.Context, in *AlterOutboundRequest, opts ...grpc.CallOption) (*AlterOutboundResponse, error)
+}
+
+type handlerServiceClient struct {
+	cc *grpc.ClientConn
+}
+
+func NewHandlerServiceClient(cc *grpc.ClientConn) HandlerServiceClient {
+	return &handlerServiceClient{cc}
+}
+
+func (c *handlerServiceClient) AddInbound(ctx context.Context, in *AddInboundRequest, opts ...grpc.CallOption) (*AddInboundResponse, error) {
+	out := new(AddInboundResponse)
+	err := grpc.Invoke(ctx, "/v2ray.core.app.proxyman.command.HandlerService/AddInbound", in, out, c.cc, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *handlerServiceClient) RemoveInbound(ctx context.Context, in *RemoveInboundRequest, opts ...grpc.CallOption) (*RemoveInboundResponse, error) {
+	out := new(RemoveInboundResponse)
+	err := grpc.Invoke(ctx, "/v2ray.core.app.proxyman.command.HandlerService/RemoveInbound", in, out, c.cc, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *handlerServiceClient) AlterInbound(ctx context.Context, in *AlterInboundRequest, opts ...grpc.CallOption) (*AlterInboundResponse, error) {
+	out := new(AlterInboundResponse)
+	err := grpc.Invoke(ctx, "/v2ray.core.app.proxyman.command.HandlerService/AlterInbound", in, out, c.cc, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *handlerServiceClient) AddOutbound(ctx context.Context, in *AddOutboundRequest, opts ...grpc.CallOption) (*AddOutboundResponse, error) {
+	out := new(AddOutboundResponse)
+	err := grpc.Invoke(ctx, "/v2ray.core.app.proxyman.command.HandlerService/AddOutbound", in, out, c.cc, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *handlerServiceClient) RemoveOutbound(ctx context.Context, in *RemoveOutboundRequest, opts ...grpc.CallOption) (*RemoveOutboundResponse, error) {
+	out := new(RemoveOutboundResponse)
+	err := grpc.Invoke(ctx, "/v2ray.core.app.proxyman.command.HandlerService/RemoveOutbound", in, out, c.cc, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *handlerServiceClient) AlterOutbound(ctx context.Context, in *AlterOutboundRequest, opts ...grpc.CallOption) (*AlterOutboundResponse, error) {
+	out := new(AlterOutboundResponse)
+	err := grpc.Invoke(ctx, "/v2ray.core.app.proxyman.command.HandlerService/AlterOutbound", in, out, c.cc, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// Server API for HandlerService service
+
+type HandlerServiceServer interface {
+	AddInbound(context.Context, *AddInboundRequest) (*AddInboundResponse, error)
+	RemoveInbound(context.Context, *RemoveInboundRequest) (*RemoveInboundResponse, error)
+	AlterInbound(context.Context, *AlterInboundRequest) (*AlterInboundResponse, error)
+	AddOutbound(context.Context, *AddOutboundRequest) (*AddOutboundResponse, error)
+	RemoveOutbound(context.Context, *RemoveOutboundRequest) (*RemoveOutboundResponse, error)
+	AlterOutbound(context.Context, *AlterOutboundRequest) (*AlterOutboundResponse, error)
+}
+
+func RegisterHandlerServiceServer(s *grpc.Server, srv HandlerServiceServer) {
+	s.RegisterService(&_HandlerService_serviceDesc, srv)
+}
+
+func _HandlerService_AddInbound_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(AddInboundRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(HandlerServiceServer).AddInbound(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/v2ray.core.app.proxyman.command.HandlerService/AddInbound",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(HandlerServiceServer).AddInbound(ctx, req.(*AddInboundRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _HandlerService_RemoveInbound_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(RemoveInboundRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(HandlerServiceServer).RemoveInbound(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/v2ray.core.app.proxyman.command.HandlerService/RemoveInbound",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(HandlerServiceServer).RemoveInbound(ctx, req.(*RemoveInboundRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _HandlerService_AlterInbound_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(AlterInboundRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(HandlerServiceServer).AlterInbound(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/v2ray.core.app.proxyman.command.HandlerService/AlterInbound",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(HandlerServiceServer).AlterInbound(ctx, req.(*AlterInboundRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _HandlerService_AddOutbound_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(AddOutboundRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(HandlerServiceServer).AddOutbound(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/v2ray.core.app.proxyman.command.HandlerService/AddOutbound",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(HandlerServiceServer).AddOutbound(ctx, req.(*AddOutboundRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _HandlerService_RemoveOutbound_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(RemoveOutboundRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(HandlerServiceServer).RemoveOutbound(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/v2ray.core.app.proxyman.command.HandlerService/RemoveOutbound",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(HandlerServiceServer).RemoveOutbound(ctx, req.(*RemoveOutboundRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _HandlerService_AlterOutbound_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(AlterOutboundRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(HandlerServiceServer).AlterOutbound(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/v2ray.core.app.proxyman.command.HandlerService/AlterOutbound",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(HandlerServiceServer).AlterOutbound(ctx, req.(*AlterOutboundRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+var _HandlerService_serviceDesc = grpc.ServiceDesc{
+	ServiceName: "v2ray.core.app.proxyman.command.HandlerService",
+	HandlerType: (*HandlerServiceServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "AddInbound",
+			Handler:    _HandlerService_AddInbound_Handler,
+		},
+		{
+			MethodName: "RemoveInbound",
+			Handler:    _HandlerService_RemoveInbound_Handler,
+		},
+		{
+			MethodName: "AlterInbound",
+			Handler:    _HandlerService_AlterInbound_Handler,
+		},
+		{
+			MethodName: "AddOutbound",
+			Handler:    _HandlerService_AddOutbound_Handler,
+		},
+		{
+			MethodName: "RemoveOutbound",
+			Handler:    _HandlerService_RemoveOutbound_Handler,
+		},
+		{
+			MethodName: "AlterOutbound",
+			Handler:    _HandlerService_AlterOutbound_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "v2ray.com/core/app/proxyman/command/command.proto",
+}
+
+func init() { proto.RegisterFile("v2ray.com/core/app/proxyman/command/command.proto", fileDescriptor0) }
+
+var fileDescriptor0 = []byte{
+	// 557 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xac, 0x55, 0xdf, 0x6b, 0xd3, 0x40,
+	0x1c, 0xb7, 0x53, 0xbb, 0xed, 0x3b, 0x1d, 0xf3, 0xda, 0x6e, 0x25, 0x3e, 0x6c, 0x46, 0x90, 0x0d,
+	0xe1, 0xa2, 0x59, 0x37, 0x41, 0xf0, 0xa1, 0xd6, 0x87, 0xf9, 0x20, 0x1d, 0x99, 0xfa, 0xe0, 0x8b,
+	0xdc, 0x92, 0xb3, 0x04, 0x92, 0xbb, 0xf3, 0x92, 0x56, 0x2b, 0x08, 0x82, 0xff, 0x80, 0x7f, 0x87,
+	0x7f, 0xa5, 0x24, 0x77, 0xd7, 0x25, 0x69, 0x21, 0x0d, 0xf8, 0xd4, 0xf4, 0xfa, 0xf9, 0xf5, 0xfd,
+	0xde, 0x27, 0x14, 0x9e, 0xcf, 0x5c, 0x49, 0xe6, 0xd8, 0xe7, 0xb1, 0xe3, 0x73, 0x49, 0x1d, 0x22,
+	0x84, 0x23, 0x24, 0xff, 0x3e, 0x8f, 0x09, 0x73, 0x7c, 0x1e, 0xc7, 0x84, 0x05, 0xe6, 0x13, 0x0b,
+	0xc9, 0x53, 0x8e, 0x0e, 0x0d, 0x45, 0x52, 0x4c, 0x84, 0xc0, 0x06, 0x8e, 0x35, 0xcc, 0x3a, 0xa9,
+	0x68, 0x66, 0xe7, 0x9c, 0x39, 0x39, 0xdb, 0xe7, 0x91, 0x33, 0x4d, 0xa8, 0x54, 0x5a, 0xd6, 0xb3,
+	0xd5, 0xd0, 0x84, 0xca, 0x90, 0x44, 0x4e, 0x3a, 0x17, 0x34, 0xf8, 0x1c, 0xd3, 0x24, 0x21, 0x13,
+	0xaa, 0x19, 0x0f, 0x97, 0x18, 0xec, 0x4b, 0x38, 0x51, 0x3f, 0xda, 0x17, 0xb0, 0x37, 0x0c, 0x82,
+	0x0f, 0x09, 0x95, 0x63, 0x41, 0x25, 0x49, 0x43, 0xce, 0xd0, 0x00, 0xee, 0x64, 0x86, 0xfd, 0xd6,
+	0x51, 0xeb, 0x78, 0xc7, 0x3d, 0xc2, 0x85, 0xf4, 0xca, 0x0d, 0x9b, 0x60, 0x38, 0x23, 0x7a, 0x39,
+	0xda, 0x7e, 0x0a, 0x1d, 0x8f, 0xc6, 0x7c, 0x46, 0xcb, 0x62, 0x5d, 0xb8, 0x4b, 0x63, 0x12, 0x46,
+	0xb9, 0xda, 0xb6, 0xa7, 0xbe, 0xd8, 0x63, 0x78, 0x30, 0x0c, 0x82, 0xb7, 0xec, 0x9a, 0x4f, 0x59,
+	0xe0, 0xd1, 0xaf, 0x53, 0x9a, 0xa4, 0xe8, 0x25, 0x6c, 0x86, 0xea, 0x64, 0x95, 0xb5, 0x06, 0x5f,
+	0x10, 0x16, 0x44, 0x54, 0x8e, 0xf2, 0x21, 0x3c, 0x43, 0xb0, 0xbb, 0x80, 0x8a, 0x82, 0x89, 0xe0,
+	0x2c, 0xa1, 0xf6, 0x31, 0x74, 0x55, 0xa6, 0x8a, 0xd3, 0x1e, 0xdc, 0x4e, 0xc9, 0x44, 0x47, 0xca,
+	0x1e, 0xed, 0x03, 0xe8, 0x55, 0x90, 0x5a, 0x22, 0x86, 0xce, 0x30, 0x4a, 0xa9, 0xac, 0x53, 0x40,
+	0x6f, 0x60, 0x9b, 0x9b, 0xa9, 0xfb, 0x1b, 0x79, 0xfe, 0x27, 0x2b, 0x56, 0xa7, 0x2e, 0x0a, 0xbf,
+	0xcf, 0x2e, 0xea, 0x9d, 0xba, 0x27, 0xef, 0x86, 0x68, 0xef, 0x43, 0xb7, 0x6c, 0xa7, 0x63, 0x5c,
+	0xe5, 0xf3, 0x8d, 0xa7, 0x69, 0x29, 0xc5, 0x2b, 0xd8, 0xe2, 0xfa, 0x48, 0xaf, 0xec, 0x51, 0xd1,
+	0xd2, 0xc0, 0xcb, 0x3b, 0x5b, 0x50, 0xec, 0x1e, 0x74, 0x4a, 0xa2, 0xda, 0xeb, 0xc4, 0xec, 0xa2,
+	0x6a, 0xb7, 0xbc, 0xb6, 0x3e, 0xec, 0x57, 0xa1, 0x5a, 0x84, 0xe9, 0x41, 0x6a, 0x35, 0xfe, 0xd3,
+	0xe2, 0x0e, 0xa0, 0x57, 0xf1, 0xd3, 0x41, 0xb6, 0xa0, 0xad, 0x06, 0x77, 0xff, 0xb4, 0x61, 0x57,
+	0xaf, 0xe2, 0x8a, 0xca, 0x59, 0xe8, 0x53, 0xf4, 0x0d, 0xe0, 0xa6, 0x36, 0xc8, 0xc5, 0x35, 0x2f,
+	0x2a, 0x5e, 0x2a, 0xad, 0x75, 0xda, 0x88, 0xa3, 0x33, 0xdd, 0x42, 0xbf, 0x5a, 0x70, 0xbf, 0x54,
+	0x38, 0x74, 0x56, 0x2b, 0xb4, 0xaa, 0xca, 0xd6, 0x79, 0x53, 0xda, 0x22, 0xc2, 0x4f, 0xb8, 0x57,
+	0xac, 0x1a, 0x1a, 0xd4, 0x4f, 0xb2, 0xfc, 0x22, 0x58, 0x67, 0x0d, 0x59, 0x0b, 0xfb, 0x1f, 0xb0,
+	0x53, 0x28, 0x1f, 0x5a, 0x6b, 0x8f, 0x95, 0x32, 0x59, 0x83, 0x66, 0xa4, 0x85, 0xf7, 0xef, 0x16,
+	0xec, 0x96, 0x7b, 0x8b, 0xd6, 0xdd, 0x63, 0x35, 0xc2, 0x8b, 0xc6, 0xbc, 0x52, 0x07, 0x4a, 0x9d,
+	0x45, 0x6b, 0x2e, 0xb3, 0x9a, 0xe1, 0xbc, 0x29, 0xcd, 0x44, 0x78, 0xed, 0xc1, 0x63, 0x9f, 0xc7,
+	0x75, 0xf4, 0xcb, 0xd6, 0xa7, 0x4d, 0xfd, 0xf8, 0x77, 0xe3, 0xf0, 0xa3, 0xeb, 0x91, 0x39, 0x1e,
+	0x65, 0xe0, 0xa1, 0x10, 0xf8, 0xd2, 0x80, 0x47, 0x0a, 0x71, 0xdd, 0xce, 0xff, 0x1d, 0x4e, 0xff,
+	0x05, 0x00, 0x00, 0xff, 0xff, 0x2f, 0x05, 0xaa, 0x44, 0x29, 0x07, 0x00, 0x00,
+}

app/proxyman/command/command.proto

@@ -0,0 +1,80 @@
+syntax = "proto3";
+
+package v2ray.core.app.proxyman.command;
+option csharp_namespace = "V2Ray.Core.App.Proxyman.Command";
+option go_package = "command";
+option java_package = "com.v2ray.core.app.proxyman.command";
+option java_multiple_files = true;
+
+import "v2ray.com/core/common/protocol/user.proto";
+import "v2ray.com/core/common/serial/typed_message.proto";
+import "v2ray.com/core/config.proto";
+
+message AddUserOperation {
+  v2ray.core.common.protocol.User user = 1;
+}
+
+message RemoveUserOperation {
+  string email = 1;
+}
+
+message AddInboundRequest {
+  core.InboundHandlerConfig inbound = 1;
+}
+
+message AddInboundResponse{
+
+}
+
+message RemoveInboundRequest {
+  string tag = 1;
+}
+
+message RemoveInboundResponse {}
+
+message AlterInboundRequest {
+  string tag = 1;
+  v2ray.core.common.serial.TypedMessage operation = 2;
+}
+
+message AlterInboundResponse {
+}
+
+message AddOutboundRequest {
+  core.OutboundHandlerConfig outbound = 1;
+}
+
+message AddOutboundResponse {
+
+}
+
+message RemoveOutboundRequest {
+  string tag = 1;
+}
+
+message RemoveOutboundResponse {
+}
+
+message AlterOutboundRequest {
+  string tag = 1;
+  v2ray.core.common.serial.TypedMessage operation = 2;
+}
+
+message AlterOutboundResponse {
+}
+
+service HandlerService {
+  rpc AddInbound(AddInboundRequest) returns (AddInboundResponse) {}
+
+  rpc RemoveInbound(RemoveInboundRequest) returns (RemoveInboundResponse) {}
+
+  rpc AlterInbound(AlterInboundRequest) returns (AlterInboundResponse) {}
+
+  rpc AddOutbound(AddOutboundRequest) returns (AddOutboundResponse) {}
+
+  rpc RemoveOutbound(RemoveOutboundRequest) returns (RemoveOutboundResponse) {}
+
+  rpc AlterOutbound(AlterOutboundRequest) returns (AlterOutboundResponse) {}
+}
+
+message Config {}

app/proxyman/command/doc.go

@@ -0,0 +1,3 @@
+package command
+
+//go:generate go run $GOPATH/src/v2ray.com/core/common/errors/errorgen/main.go -pkg command -path App,Proxyman,Command

app/proxyman/command/errors.generated.go

@@ -0,0 +1,5 @@
+package command
+
+import "v2ray.com/core/common/errors"
+
+func newError(values ...interface{}) *errors.Error { return errors.New(values...).Path("App", "Proxyman", "Command") }

app/proxyman/inbound/always.go

@@ -93,3 +93,7 @@ func (h *AlwaysOnInboundHandler) GetRandomInboundProxy() (interface{}, net.Port,
 func (h *AlwaysOnInboundHandler) Tag() string {
 	return h.tag
 }
+
+func (h *AlwaysOnInboundHandler) GetInbound() proxy.Inbound {
+	return h.proxy
+}

app/proxyman/inbound/inbound.go

@@ -4,6 +4,7 @@ package inbound
 
 import (
 	"context"
+	"sync"
 
 	"v2ray.com/core"
 	"v2ray.com/core/app/proxyman"
@@ -12,7 +13,8 @@ import (
 
 // Manager is to manage all inbound handlers.
 type Manager struct {
-	handlers       []core.InboundHandler
+	sync.RWMutex
+	untaggedHandler []core.InboundHandler
 	taggedHandlers  map[string]core.InboundHandler
 }
 
@@ -31,15 +33,22 @@ func New(ctx context.Context, config *proxyman.InboundConfig) (*Manager, error)
 }
 
 func (m *Manager) AddHandler(ctx context.Context, handler core.InboundHandler) error {
-	m.handlers = append(m.handlers, handler)
+	m.Lock()
+	defer m.Unlock()
+
 	tag := handler.Tag()
 	if len(tag) > 0 {
 		m.taggedHandlers[tag] = handler
+	} else {
+		m.untaggedHandler = append(m.untaggedHandler, handler)
 	}
 	return nil
 }
 
 func (m *Manager) GetHandler(ctx context.Context, tag string) (core.InboundHandler, error) {
+	m.RLock()
+	defer m.RUnlock()
+
 	handler, found := m.taggedHandlers[tag]
 	if !found {
 		return nil, newError("handler not found: ", tag)
@@ -47,8 +56,31 @@ func (m *Manager) GetHandler(ctx context.Context, tag string) (core.InboundHandl
 	return handler, nil
 }
 
+func (m *Manager) RemoveHandler(ctx context.Context, tag string) error {
+	if len(tag) == 0 {
+		return core.ErrNoClue
+	}
+
+	m.Lock()
+	defer m.Unlock()
+
+	if handler, found := m.taggedHandlers[tag]; found {
+		handler.Close()
+		delete(m.taggedHandlers, tag)
+		return nil
+	}
+
+	return core.ErrNoClue
+}
+
 func (m *Manager) Start() error {
-	for _, handler := range m.handlers {
+	for _, handler := range m.taggedHandlers {
+		if err := handler.Start(); err != nil {
+			return err
+		}
+	}
+
+	for _, handler := range m.untaggedHandler {
 		if err := handler.Start(); err != nil {
 			return err
 		}
@@ -57,7 +89,10 @@ func (m *Manager) Start() error {
 }
 
 func (m *Manager) Close() {
-	for _, handler := range m.handlers {
+	for _, handler := range m.taggedHandlers {
+		handler.Close()
+	}
+	for _, handler := range m.untaggedHandler {
 		handler.Close()
 	}
 }

app/proxyman/outbound/handler.go

@@ -105,7 +105,7 @@ func (h *Handler) Dial(ctx context.Context, dest net.Destination) (internet.Conn
 				ctx = proxy.ContextWithTarget(ctx, dest)
 				stream := ray.NewRay(ctx)
 				go handler.Dispatch(ctx, stream)
-				return ray.NewConnection(stream, zeroAddr, zeroAddr), nil
+				return ray.NewConnection(stream.InboundOutput(), stream.InboundInput()), nil
 			}
 
 			newError("failed to get outbound handler with tag: ", tag).AtWarning().WriteToLog()
@@ -122,3 +122,7 @@ func (h *Handler) Dial(ctx context.Context, dest net.Destination) (internet.Conn
 
 	return internet.Dial(ctx, dest)
 }
+
+func (h *Handler) GetOutbound() proxy.Outbound {
+	return h.proxy
+}

app/proxyman/outbound/outbound.go

@@ -73,6 +73,21 @@ func (m *Manager) AddHandler(ctx context.Context, handler core.OutboundHandler)
 	return nil
 }
 
+func (m *Manager) RemoveHandler(ctx context.Context, tag string) error {
+	if len(tag) == 0 {
+		return core.ErrNoClue
+	}
+	m.Lock()
+	defer m.Unlock()
+
+	delete(m.taggedHandler, tag)
+	if m.defaultHandler.Tag() == tag {
+		m.defaultHandler = nil
+	}
+
+	return nil
+}
+
 func init() {
 	common.Must(common.RegisterConfig((*proxyman.OutboundConfig)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
 		return New(ctx, config.(*proxyman.OutboundConfig))

dial.go

@@ -16,5 +16,5 @@ func Dial(ctx context.Context, v *Instance, dest net.Destination) (net.Conn, err
 	if err != nil {
 		return nil, err
 	}
-	return ray.NewConnection(r, &net.TCPAddr{IP: []byte{0, 0, 0, 0}}, &net.TCPAddr{IP: []byte{0, 0, 0, 0}}), nil
+	return ray.NewConnection(r.InboundOutput(), r.InboundInput()), nil
 }

network.go

@@ -32,6 +32,9 @@ type InboundHandlerManager interface {
 	GetHandler(ctx context.Context, tag string) (InboundHandler, error)
 	// AddHandler adds the given handler into this InboundHandlerManager.
 	AddHandler(ctx context.Context, handler InboundHandler) error
+
+	// RemoveHandler removes a handler from InboundHandlerManager.
+	RemoveHandler(ctx context.Context, tag string) error
 }
 
 type syncInboundHandlerManager struct {
@@ -97,6 +100,9 @@ type OutboundHandlerManager interface {
 	GetDefaultHandler() OutboundHandler
 	// AddHandler adds a handler into this OutboundHandlerManager.
 	AddHandler(ctx context.Context, handler OutboundHandler) error
+
+	// RemoveHandler removes a handler from OutboundHandlerManager.
+	RemoveHandler(ctx context.Context, tag string) error
 }
 
 type syncOutboundHandlerManager struct {

proxy/proxy.go

@@ -12,6 +12,7 @@ import (
 
 	"v2ray.com/core"
 	"v2ray.com/core/common/net"
+	"v2ray.com/core/common/protocol"
 	"v2ray.com/core/transport/internet"
 	"v2ray.com/core/transport/ray"
 )
@@ -36,3 +37,20 @@ type Dialer interface {
 	// Dial dials a system connection to the given destination.
 	Dial(ctx context.Context, destination net.Destination) (internet.Connection, error)
 }
+
+// UserManager is the interface for Inbounds and Outbounds that can manage their users.
+type UserManager interface {
+	// AddUser adds a new user.
+	AddUser(context.Context, *protocol.User) error
+
+	// RemoveUser removes an user by email.
+	RemoveUser(context.Context, string) error
+}
+
+type GetInbound interface {
+	GetInbound() Inbound
+}
+
+type GetOutbound interface {
+	GetOutbound() Outbound
+}

proxy/vmess/inbound/inbound.go

@@ -124,6 +124,10 @@ func (h *Handler) AddUser(ctx context.Context, user *protocol.User) error {
 	return h.clients.Add(user)
 }
 
+func (h *Handler) RemoveUser(ctx context.Context, email string) error {
+	return newError("not implemented")
+}
+
 func transferRequest(timer signal.ActivityUpdater, session *encoding.ServerSession, request *protocol.RequestHeader, input io.Reader, output ray.OutputStream) error {
 	defer output.Close()
 

transport/ray/connection.go

@@ -6,27 +6,57 @@ import (
 	"time"
 
 	"v2ray.com/core/common/buf"
+	"v2ray.com/core/common/signal"
 )
 
+type ConnectionOption func(*connection)
+
+func ConnLocalAddr(addr net.Addr) ConnectionOption {
+	return func(c *connection) {
+		c.localAddr = addr
+	}
+}
+
+func ConnRemoteAddr(addr net.Addr) ConnectionOption {
+	return func(c *connection) {
+		c.remoteAddr = addr
+	}
+}
+
+func ConnCloseSignal(s *signal.Notifier) ConnectionOption {
+	return func(c *connection) {
+		c.closeSignal = s
+	}
+}
+
 type connection struct {
-	stream     InboundRay
+	input       InputStream
+	output      OutputStream
 	closed      bool
 	localAddr   net.Addr
 	remoteAddr  net.Addr
+	closeSignal *signal.Notifier
 
 	reader *buf.BufferedReader
-	writer buf.Writer
 }
 
+var zeroAddr net.Addr = &net.TCPAddr{IP: []byte{0, 0, 0, 0}}
+
 // NewConnection wraps a Ray into net.Conn.
-func NewConnection(stream InboundRay, localAddr net.Addr, remoteAddr net.Addr) net.Conn {
-	return &connection{
-		stream:     stream,
-		localAddr:  localAddr,
-		remoteAddr: remoteAddr,
-		reader:     buf.NewBufferedReader(stream.InboundOutput()),
-		writer:     stream.InboundInput(),
+func NewConnection(input InputStream, output OutputStream, options ...ConnectionOption) net.Conn {
+	c := &connection{
+		input:      input,
+		output:     output,
+		localAddr:  zeroAddr,
+		remoteAddr: zeroAddr,
+		reader:     buf.NewBufferedReader(input),
 	}
+
+	for _, opt := range options {
+		opt(c)
+	}
+
+	return c
 }
 
 // Read implements net.Conn.Read().
@@ -51,7 +81,7 @@ func (c *connection) Write(b []byte) (int, error) {
 	l := len(b)
 	mb := buf.NewMultiBufferCap(l/buf.Size + 1)
 	mb.Write(b)
-	return l, c.writer.WriteMultiBuffer(mb)
+	return l, c.output.WriteMultiBuffer(mb)
 }
 
 func (c *connection) WriteMultiBuffer(mb buf.MultiBuffer) error {
@@ -59,14 +89,17 @@ func (c *connection) WriteMultiBuffer(mb buf.MultiBuffer) error {
 		return io.ErrClosedPipe
 	}
 
-	return c.writer.WriteMultiBuffer(mb)
+	return c.output.WriteMultiBuffer(mb)
 }
 
 // Close implements net.Conn.Close().
 func (c *connection) Close() error {
 	c.closed = true
-	c.stream.InboundInput().Close()
-	c.stream.InboundOutput().CloseError()
+	c.output.Close()
+	c.input.CloseError()
+	if c.closeSignal != nil {
+		c.closeSignal.Signal()
+	}
 	return nil
 }
 

v2ray.go

@@ -46,20 +46,18 @@ func New(config *Config) (*Instance, error) {
 		return nil, err
 	}
 
-	ctx := context.WithValue(context.Background(), v2rayKey, server)
-
 	for _, appSettings := range config.App {
 		settings, err := appSettings.GetInstance()
 		if err != nil {
 			return nil, err
 		}
-		if _, err := common.CreateObject(ctx, settings); err != nil {
+		if _, err := server.CreateObject(settings); err != nil {
 			return nil, err
 		}
 	}
 
 	for _, inbound := range config.Inbound {
-		rawHandler, err := common.CreateObject(ctx, inbound)
+		rawHandler, err := server.CreateObject(inbound)
 		if err != nil {
 			return nil, err
 		}
@@ -67,13 +65,13 @@ func New(config *Config) (*Instance, error) {
 		if !ok {
 			return nil, newError("not an InboundHandler")
 		}
-		if err := server.InboundHandlerManager().AddHandler(ctx, handler); err != nil {
+		if err := server.InboundHandlerManager().AddHandler(context.Background(), handler); err != nil {
 			return nil, err
 		}
 	}
 
 	for _, outbound := range config.Outbound {
-		rawHandler, err := common.CreateObject(ctx, outbound)
+		rawHandler, err := server.CreateObject(outbound)
 		if err != nil {
 			return nil, err
 		}
@@ -81,7 +79,7 @@ func New(config *Config) (*Instance, error) {
 		if !ok {
 			return nil, newError("not an OutboundHandler")
 		}
-		if err := server.OutboundHandlerManager().AddHandler(ctx, handler); err != nil {
+		if err := server.OutboundHandlerManager().AddHandler(context.Background(), handler); err != nil {
 			return nil, err
 		}
 	}
@@ -89,6 +87,11 @@ func New(config *Config) (*Instance, error) {
 	return server, nil
 }
 
+func (s *Instance) CreateObject(config interface{}) (interface{}, error) {
+	ctx := context.WithValue(context.Background(), v2rayKey, s)
+	return common.CreateObject(ctx, config)
+}
+
 // ID returns an unique ID for this V2Ray instance.
 func (s *Instance) ID() uuid.UUID {
 	return s.id