split uplink and downlink traffic

app/dispatcher/default.go

@@ -56,31 +56,49 @@ func getStatsName(u *protocol.User) string {
 	return "user>traffic>" + u.Email
 }
 
-// Dispatch implements core.Dispatcher.
-func (d *DefaultDispatcher) Dispatch(ctx context.Context, destination net.Destination) (ray.InboundRay, error) {
-	if !destination.IsValid() {
-		panic("Dispatcher: Invalid destination.")
+func (d *DefaultDispatcher) getStatCounter(name string) core.StatCounter {
+	c := d.stats.GetCounter(name)
+	if c != nil {
+		return c
 	}
-	ctx = proxy.ContextWithTarget(ctx, destination)
+	c, err := d.stats.RegisterCounter(name)
+	if err != nil {
+		return nil
+	}
+	return c
+}
 
+func (d *DefaultDispatcher) getRayOption(user *protocol.User) []ray.Option {
 	var rayOptions []ray.Option
 
-	user := protocol.UserFromContext(ctx)
 	if user != nil && len(user.Email) > 0 {
-		name := getStatsName(user)
-		c, err := d.stats.RegisterCounter(name)
-		if err != nil {
-			c = d.stats.GetCounter(name)
+		p := d.policy.ForLevel(user.Level)
+		if p.Stats.UserUplink {
+			name := "user>>>" + user.Email + ">>>traffic>>>uplink"
+			if c := d.getStatCounter(name); c != nil {
+				rayOptions = append(rayOptions, ray.WithUplinkStatCounter(c))
+			}
 		}
-		if c == nil {
-			newError("failed to get stats counter ", name).AtWarning().WithContext(ctx).WriteToLog()
+		if p.Stats.UserDownlink {
+			name := "user>>>" + user.Email + ">>>traffic>>>downlink"
+			if c := d.getStatCounter(name); c != nil {
+				rayOptions = append(rayOptions, ray.WithDownlinkStatCounter(c))
+			}
 		}
+	}
 
-		p := d.policy.ForLevel(user.Level)
-		if p.Stats.EnablePerUser {
-			rayOptions = append(rayOptions, ray.WithStatCounter(c))
-		}
+	return rayOptions
+}
+
+// Dispatch implements core.Dispatcher.
+func (d *DefaultDispatcher) Dispatch(ctx context.Context, destination net.Destination) (ray.InboundRay, error) {
+	if !destination.IsValid() {
+		panic("Dispatcher: Invalid destination.")
 	}
+	ctx = proxy.ContextWithTarget(ctx, destination)
+
+	user := protocol.UserFromContext(ctx)
+	rayOptions := d.getRayOption(user)
 
 	outbound := ray.New(ctx, rayOptions...)
 	snifferList := proxyman.ProtocolSniffersFromContext(ctx)

app/policy/config.go

@@ -61,7 +61,8 @@ func (p *Policy) ToCorePolicy() core.Policy {
 		cp.Timeouts.UplinkOnly = p.Timeout.UplinkOnly.Duration()
 	}
 	if p.Stats != nil {
-		cp.Stats.EnablePerUser = p.Stats.EnablePerUser
+		cp.Stats.UserUplink = p.Stats.UserUplink
+		cp.Stats.UserDownlink = p.Stats.UserDownlink
 	}
 	return cp
 }

app/policy/config.pb.go

@@ -97,7 +97,8 @@ func (m *Policy_Timeout) GetDownlinkOnly() *Second {
 }
 
 type Policy_Stats struct {
-	EnablePerUser bool `protobuf:"varint,1,opt,name=enable_per_user,json=enablePerUser" json:"enable_per_user,omitempty"`
+	UserUplink   bool `protobuf:"varint,1,opt,name=user_uplink,json=userUplink" json:"user_uplink,omitempty"`
+	UserDownlink bool `protobuf:"varint,2,opt,name=user_downlink,json=userDownlink" json:"user_downlink,omitempty"`
 }
 
 func (m *Policy_Stats) Reset()                    { *m = Policy_Stats{} }
@@ -105,9 +106,16 @@ func (m *Policy_Stats) String() string            { return proto.CompactTextStri
 func (*Policy_Stats) ProtoMessage()               {}
 func (*Policy_Stats) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{1, 1} }
 
-func (m *Policy_Stats) GetEnablePerUser() bool {
+func (m *Policy_Stats) GetUserUplink() bool {
 	if m != nil {
-		return m.EnablePerUser
+		return m.UserUplink
+	}
+	return false
+}
+
+func (m *Policy_Stats) GetUserDownlink() bool {
+	if m != nil {
+		return m.UserDownlink
 	}
 	return false
 }
@@ -139,31 +147,31 @@ func init() {
 func init() { proto.RegisterFile("v2ray.com/core/app/policy/config.proto", fileDescriptor0) }
 
 var fileDescriptor0 = []byte{
-	// 403 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x8c, 0x92, 0xdd, 0x8a, 0xd3, 0x40,
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-	0x81, 0x27, 0xef, 0xe1, 0x94, 0x2b, 0x29, 0x91, 0x97, 0xb9, 0x92, 0x69, 0x9e, 0x09, 0xec, 0xa6,
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-	0x2a, 0x29, 0xea, 0xd0, 0x3b, 0xc6, 0x01, 0x36, 0xf1, 0x49, 0x8a, 0x9a, 0x5c, 0xc3, 0x38, 0x53,
-	0xbf, 0xe4, 0x60, 0xb8, 0x75, 0x8c, 0xe1, 0x6e, 0x9f, 0x69, 0x1c, 0x93, 0x08, 0xfc, 0x76, 0x49,
-	0xe4, 0x02, 0x4e, 0x51, 0xb2, 0xa5, 0xc0, 0x54, 0xa3, 0x49, 0xab, 0x02, 0x4d, 0xbb, 0x97, 0xdb,
-	0xc9, 0xd8, 0x5e, 0xcf, 0xd1, 0x7c, 0x29, 0xd0, 0x4c, 0xff, 0x38, 0x10, 0xbc, 0x6d, 0x4b, 0x41,
-	0xae, 0xc0, 0x17, 0xb8, 0x45, 0x11, 0x3a, 0xe7, 0xde, 0x6c, 0x14, 0xcf, 0xf6, 0xbc, 0xd7, 0xd2,
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-	0xf0, 0xd6, 0x58, 0x77, 0xcd, 0x69, 0x8e, 0xe4, 0xb2, 0x6f, 0xd3, 0xe1, 0xed, 0xda, 0x7f, 0xdd,
-	0x95, 0xed, 0x85, 0xfb, 0xcc, 0xb9, 0x7e, 0x05, 0x0f, 0xb9, 0xda, 0xec, 0xc6, 0xe7, 0xce, 0xf7,
-	0xc0, 0x9e, 0xfe, 0xba, 0x67, 0x5f, 0xe3, 0x84, 0x35, 0x03, 0x1a, 0xa4, 0x6f, 0xb4, 0xee, 0x4c,
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-	0x03, 0x00, 0x00,
+	// 410 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x8c, 0x93, 0x5d, 0xab, 0xd3, 0x30,
+	0x18, 0xc7, 0x69, 0x6b, 0x7b, 0x8e, 0x4f, 0xcf, 0x54, 0x82, 0x07, 0xea, 0x40, 0x3d, 0x6c, 0x28,
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+	0x62, 0x1a, 0x5d, 0x59, 0x96, 0x84, 0xbe, 0x4c, 0xfa, 0x35, 0xfc, 0x06, 0xde, 0xfa, 0xc9, 0xfc,
+	0x18, 0xd2, 0xa4, 0xa5, 0x37, 0xdb, 0xdc, 0x5d, 0xfa, 0xf0, 0xfb, 0xff, 0x78, 0x12, 0xfe, 0x85,
+	0x87, 0xbb, 0x24, 0xa7, 0x35, 0x66, 0x6a, 0x1b, 0x33, 0x95, 0xf3, 0x98, 0x6a, 0x1d, 0x6b, 0x25,
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+	0xc7, 0x54, 0x6b, 0x6c, 0x99, 0xd1, 0x3d, 0x08, 0x96, 0x9c, 0x29, 0x99, 0xa2, 0xdb, 0xe0, 0xef,
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+	0xf5, 0x35, 0x95, 0x69, 0xb1, 0xa6, 0x1b, 0xde, 0x6e, 0x72, 0xf7, 0x80, 0xca, 0x5e, 0x8d, 0xf4,
+	0x3c, 0x7a, 0x03, 0x37, 0x99, 0x92, 0x92, 0xb3, 0x32, 0x53, 0x72, 0x95, 0xa5, 0x82, 0xb7, 0xdb,
+	0xfc, 0x47, 0x71, 0xa3, 0x4f, 0xbd, 0x4d, 0x05, 0x47, 0x33, 0x08, 0x2b, 0x2d, 0x32, 0xb9, 0x59,
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+	0x13, 0x34, 0x86, 0x81, 0x01, 0xba, 0xb8, 0xb9, 0xf3, 0x39, 0xb9, 0x68, 0x86, 0xaf, 0xda, 0xd9,
+	0xe8, 0xb7, 0x03, 0xc1, 0x4b, 0x53, 0x19, 0x34, 0x03, 0x5f, 0xf0, 0x1d, 0x17, 0x91, 0x73, 0xe5,
+	0x4d, 0xc2, 0x64, 0x72, 0x60, 0x2b, 0x4b, 0xe3, 0x77, 0x0d, 0xfa, 0x5a, 0x96, 0x79, 0x4d, 0x6c,
+	0x6c, 0xf8, 0x05, 0xa0, 0x1f, 0xa2, 0x5b, 0xe0, 0x6d, 0x78, 0xdd, 0xf6, 0xaa, 0x39, 0xa2, 0x69,
+	0xd7, 0xb5, 0xe3, 0x6f, 0x6f, 0x9b, 0xd0, 0x56, 0xf1, 0x89, 0xfb, 0xc8, 0x99, 0x3f, 0x83, 0x3b,
+	0x4c, 0x6d, 0xf7, 0xe3, 0x0b, 0xe7, 0x6b, 0x60, 0x4f, 0x7f, 0xdc, 0xcb, 0xcf, 0x09, 0xa1, 0xcd,
+	0x82, 0x39, 0xc7, 0x2f, 0xb4, 0x6e, 0x4d, 0xdf, 0x02, 0xf3, 0x2f, 0x4c, 0xff, 0x05, 0x00, 0x00,
+	0xff, 0xff, 0x98, 0xa8, 0x2f, 0xbe, 0x35, 0x03, 0x00, 0x00,
 }

app/policy/config.proto

@@ -20,7 +20,8 @@ message Policy {
   }
 
   message Stats {
-    bool enable_per_user = 1;
+    bool user_uplink = 1;
+    bool user_downlink = 2;
   }
 
   Timeout timeout = 1;

policy.go

@@ -20,7 +20,8 @@ type TimeoutPolicy struct {
 }
 
 type StatsPolicy struct {
-	EnablePerUser bool
+	UserUplink   bool
+	UserDownlink bool
 }
 
 // Policy is session based settings for controlling V2Ray requests. It contains various settings (or limits) that may differ for different users in the context.
@@ -47,7 +48,8 @@ func DefaultPolicy() Policy {
 			DownlinkOnly:   time.Second * 30,
 		},
 		Stats: StatsPolicy{
-			EnablePerUser: false,
+			UserUplink:   false,
+			UserDownlink: false,
 		},
 	}
 }

testing/scenarios/command_test.go

@@ -390,7 +390,8 @@ func TestCommanderStats(t *testing.T) {
 					},
 					1: {
 						Stats: &policy.Policy_Stats{
-							EnablePerUser: true,
+							UserUplink:   true,
+							UserDownlink: true,
 						},
 					},
 				},
@@ -502,7 +503,7 @@ func TestCommanderStats(t *testing.T) {
 	cmdConn, err := grpc.Dial(fmt.Sprintf("127.0.0.1:%d", cmdPort), grpc.WithInsecure(), grpc.WithBlock())
 	assert(err, IsNil)
 
-	const name = "user>traffic>test"
+	const name = "user>>>test>>>traffic>>>uplink"
 	sClient := statscmd.NewStatsServiceClient(cmdConn)
 
 	sresp, err := sClient.GetStats(context.Background(), &statscmd.GetStatsRequest{
@@ -511,7 +512,7 @@ func TestCommanderStats(t *testing.T) {
 	})
 	assert(err, IsNil)
 	assert(sresp.Stat.Name, Equals, name)
-	assert(sresp.Stat.Value, Equals, int64(10240*1024*2))
+	assert(sresp.Stat.Value, Equals, int64(10240*1024))
 
 	sresp, err = sClient.GetStats(context.Background(), &statscmd.GetStatsRequest{
 		Name: name,

transport/ray/direct.go

@@ -12,15 +12,23 @@ import (
 	"v2ray.com/core/common/signal"
 )
 
-type Option func(*Stream)
+type Option func(*directRay)
 
 type addInt64 interface {
 	Add(int64) int64
 }
 
-func WithStatCounter(c addInt64) Option {
-	return func(s *Stream) {
-		s.onDataSize = append(s.onDataSize, func(delta uint64) {
+func WithUplinkStatCounter(c addInt64) Option {
+	return func(s *directRay) {
+		s.Input.onDataSize = append(s.Input.onDataSize, func(delta uint64) {
+			c.Add(int64(delta))
+		})
+	}
+}
+
+func WithDownlinkStatCounter(c addInt64) Option {
+	return func(s *directRay) {
+		s.Output.onDataSize = append(s.Output.onDataSize, func(delta uint64) {
 			c.Add(int64(delta))
 		})
 	}
@@ -28,10 +36,14 @@ func WithStatCounter(c addInt64) Option {
 
 // New creates a new Ray for direct traffic transport.
 func New(ctx context.Context, opts ...Option) Ray {
-	return &directRay{
-		Input:  NewStream(ctx, opts...),
-		Output: NewStream(ctx, opts...),
+	r := &directRay{
+		Input:  NewStream(ctx),
+		Output: NewStream(ctx),
 	}
+	for _, opt := range opts {
+		opt(r)
+	}
+	return r
 }
 
 type directRay struct {
@@ -80,16 +92,13 @@ type Stream struct {
 }
 
 // NewStream creates a new Stream.
-func NewStream(ctx context.Context, opts ...Option) *Stream {
+func NewStream(ctx context.Context) *Stream {
 	s := &Stream{
 		ctx:         ctx,
 		readSignal:  signal.NewNotifier(),
 		writeSignal: signal.NewNotifier(),
 		size:        0,
 	}
-	for _, opt := range opts {
-		opt(s)
-	}
 	return s
 }