decouple commander interface from grpc

app/commander/commander.go

@@ -16,8 +16,8 @@ type Commander struct {
 	sync.Mutex
 	server *grpc.Server
 	config Config
+	v      *core.Instance
 	ohm    core.OutboundHandlerManager
-	callbacks []core.ServiceRegistryCallback
 }
 
 func NewCommander(ctx context.Context, config *Config) (*Commander, error) {
@@ -28,6 +28,7 @@ func NewCommander(ctx context.Context, config *Config) (*Commander, error) {
 	c := &Commander{
 		config: *config,
 		ohm:    v.OutboundHandlerManager(),
+		v:      v,
 	}
 	if err := v.RegisterFeature((*core.Commander)(nil), c); err != nil {
 		return nil, err
@@ -35,22 +36,23 @@ func NewCommander(ctx context.Context, config *Config) (*Commander, error) {
 	return c, nil
 }
 
-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)
+	for _, rawConfig := range c.config.Service {
+		config, err := rawConfig.GetInstance()
+		if err != nil {
+			return err
+		}
+		rawService, err := c.v.CreateObject(config)
+		if err != nil {
+			return err
+		}
+		service, ok := rawService.(Service)
+		if !ok {
+			return newError("not a Service.")
+		}
+		service.Register(c.server)
 	}
 	c.Unlock()
 

app/commander/config.pb.go

@@ -3,6 +3,7 @@ package commander
 import proto "github.com/golang/protobuf/proto"
 import fmt "fmt"
 import math "math"
+import v2ray_core_common_serial "v2ray.com/core/common/serial"
 
 // Reference imports to suppress errors if they are not otherwise used.
 var _ = proto.Marshal
@@ -15,8 +16,12 @@ var _ = math.Inf
 // proto package needs to be updated.
 const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
 
+// Config is the settings for Commander.
 type Config struct {
+	// Tag of the outbound handler that handles grpc connections.
 	Tag string `protobuf:"bytes,1,opt,name=tag" json:"tag,omitempty"`
+	// Services that supported by this server. All services must implement Service interface.
+	Service []*v2ray_core_common_serial.TypedMessage `protobuf:"bytes,2,rep,name=service" json:"service,omitempty"`
 }
 
 func (m *Config) Reset()                    { *m = Config{} }
@@ -31,6 +36,13 @@ func (m *Config) GetTag() string {
 	return ""
 }
 
+func (m *Config) GetService() []*v2ray_core_common_serial.TypedMessage {
+	if m != nil {
+		return m.Service
+	}
+	return nil
+}
+
 func init() {
 	proto.RegisterType((*Config)(nil), "v2ray.core.app.commander.Config")
 }
@@ -38,14 +50,19 @@ func init() {
 func init() { proto.RegisterFile("v2ray.com/core/app/commander/config.proto", fileDescriptor0) }
 
 var fileDescriptor0 = []byte{
-	// 143 bytes of a gzipped FileDescriptorProto
+	// 212 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,
+	0x83, 0x2b, 0x93, 0x32, 0x40, 0x33, 0x04, 0x24, 0x93, 0x9f, 0xa7, 0x5f, 0x9c, 0x5a, 0x94, 0x99,
+	0x98, 0xa3, 0x5f, 0x52, 0x59, 0x90, 0x9a, 0x12, 0x9f, 0x9b, 0x5a, 0x5c, 0x9c, 0x98, 0x9e, 0x0a,
+	0x31, 0x4b, 0x29, 0x86, 0x8b, 0xcd, 0x19, 0x6c, 0xb6, 0x90, 0x00, 0x17, 0x73, 0x49, 0x62, 0xba,
+	0x04, 0xa3, 0x02, 0xa3, 0x06, 0x67, 0x10, 0x88, 0x29, 0xe4, 0xc0, 0xc5, 0x5e, 0x9c, 0x5a, 0x54,
+	0x96, 0x99, 0x9c, 0x2a, 0xc1, 0xa4, 0xc0, 0xac, 0xc1, 0x6d, 0xa4, 0xa6, 0x87, 0x64, 0x33, 0xc4,
+	0x6c, 0x3d, 0x88, 0xd9, 0x7a, 0x21, 0x20, 0xb3, 0x7d, 0x21, 0x46, 0x07, 0xc1, 0xb4, 0x39, 0xb9,
+	0x71, 0xc9, 0x24, 0xe7, 0xe7, 0xea, 0xe1, 0x72, 0x6f, 0x00, 0x63, 0x14, 0x27, 0x9c, 0xb3, 0x8a,
+	0x49, 0x22, 0xcc, 0x28, 0x28, 0xb1, 0x52, 0xcf, 0x19, 0xa4, 0xce, 0xb1, 0xa0, 0x40, 0xcf, 0x19,
+	0x26, 0x95, 0xc4, 0x06, 0x76, 0xac, 0x31, 0x20, 0x00, 0x00, 0xff, 0xff, 0x29, 0x02, 0xa6, 0x19,
+	0x25, 0x01, 0x00, 0x00,
 }

app/commander/config.proto

@@ -6,6 +6,12 @@ option go_package = "commander";
 option java_package = "com.v2ray.core.app.commander";
 option java_multiple_files = true;
 
+import "v2ray.com/core/common/serial/typed_message.proto";
+
+// Config is the settings for Commander.
 message Config {
+  // Tag of the outbound handler that handles grpc connections.
   string tag = 1;
+  // Services that supported by this server. All services must implement Service interface.
+  repeated v2ray.core.common.serial.TypedMessage service = 2;
 }

app/commander/service.go

@@ -0,0 +1,9 @@
+package commander
+
+import (
+	"google.golang.org/grpc"
+)
+
+type Service interface {
+	Register(*grpc.Server)
+}

app/proxyman/command/command.go

@@ -125,14 +125,16 @@ func (s *handlerServer) AlterOutbound(ctx context.Context, request *AlterOutboun
 	return &AlterOutboundResponse{}, operation.ApplyOutbound(ctx, handler)
 }
 
-type feature struct{}
-
-func (*feature) Start() error {
-	return nil
+type service struct {
+	v *core.Instance
 }
 
-func (*feature) Close() error {
-	return nil
+func (s *service) Register(server *grpc.Server) {
+	RegisterHandlerServiceServer(server, &handlerServer{
+		s:   s.v,
+		ihm: s.v.InboundHandlerManager(),
+		ohm: s.v.OutboundHandlerManager(),
+	})
 }
 
 func init() {
@@ -141,13 +143,6 @@ func init() {
 		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
+		return &service{v: s}, nil
 	}))
 }

commander.go

@@ -2,19 +2,11 @@ package core
 
 import (
 	"sync"
-
-	"google.golang.org/grpc"
 )
 
-// ServiceRegistryCallback is a callback function for registering services.
-type ServiceRegistryCallback func(s *grpc.Server)
-
 // Commander is a feature that accepts commands from external source.
 type Commander interface {
 	Feature
-
-	// RegisterService registers a service into this Commander.
-	RegisterService(ServiceRegistryCallback)
 }
 
 type syncCommander struct {
@@ -22,17 +14,6 @@ type syncCommander struct {
 	Commander
 }
 
-func (c *syncCommander) RegisterService(callback ServiceRegistryCallback) {
-	c.RLock()
-	defer c.RUnlock()
-
-	if c.Commander == nil {
-		return
-	}
-
-	c.Commander.RegisterService(callback)
-}
-
 func (c *syncCommander) Start() error {
 	c.RLock()
 	defer c.RUnlock()