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global config creator

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This commit is contained in:
Darien Raymond 2017-01-12 22:47:10 +01:00
parent 5401cab7a5
commit db1c9131f0
No known key found for this signature in database
GPG Key ID: 7251FFA14BB18169
14 changed files with 121 additions and 93 deletions
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31
common/type.go Normal file
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@ -0,0 +1,31 @@
package common
import (
"context"
"errors"
"reflect"
)
type creator func(ctx context.Context, config interface{}) (interface{}, error)
var (
typeCreatorRegistry = make(map[reflect.Type]creator)
)
func RegisterConfig(config interface{}, configCreator creator) error {
configType := reflect.TypeOf(config)
if _, found := typeCreatorRegistry[configType]; found {
return errors.New("Common: " + configType.Name() + " is already registered.")
}
typeCreatorRegistry[configType] = configCreator
return nil
}
func CreateObject(ctx context.Context, config interface{}) (interface{}, error) {
configType := reflect.TypeOf(config)
creator, found := typeCreatorRegistry[configType]
if !found {
return nil, errors.New("Common: " + configType.Name() + " is not registered.")
}
return creator(ctx, config)
}

32
transport/internet/conn_authenticator.go
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@ -1,8 +1,11 @@
package internet
import (
"errors"
"net"
"context"
"v2ray.com/core/common"
)
@ -11,26 +14,15 @@ type ConnectionAuthenticator interface {
Server(net.Conn) net.Conn
}
type ConnectionAuthenticatorFactory interface {
Create(interface{}) ConnectionAuthenticator
}
var (
connectionAuthenticatorCache = make(map[string]ConnectionAuthenticatorFactory)
)
func RegisterConnectionAuthenticator(name string, factory ConnectionAuthenticatorFactory) error {
if _, found := connectionAuthenticatorCache[name]; found {
return common.ErrDuplicatedName
func CreateConnectionAuthenticator(config interface{}) (ConnectionAuthenticator, error) {
auth, err := common.CreateObject(context.Background(), config)
if err != nil {
return nil, err
}
connectionAuthenticatorCache[name] = factory
return nil
}
func CreateConnectionAuthenticator(name string, config interface{}) (ConnectionAuthenticator, error) {
factory, found := connectionAuthenticatorCache[name]
if !found {
return nil, common.ErrObjectNotFound
switch a := auth.(type) {
case ConnectionAuthenticator:
return a, nil
default:
return nil, errors.New("Internet: Not a ConnectionAuthenticator.")
}
return factory.Create(config), nil
}

36
transport/internet/header.go
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@ -1,32 +1,26 @@
package internet
import "v2ray.com/core/common"
import (
"context"
"errors"
"v2ray.com/core/common"
)
type PacketHeader interface {
Size() int
Write([]byte) (int, error)
}
type PacketHeaderFactory interface {
Create(interface{}) PacketHeader
}
var (
headerCache = make(map[string]PacketHeaderFactory)
)
func RegisterPacketHeader(name string, factory PacketHeaderFactory) error {
if _, found := headerCache[name]; found {
return common.ErrDuplicatedName
func CreatePacketHeader(config interface{}) (PacketHeader, error) {
header, err := common.CreateObject(context.Background(), config)
if err != nil {
return nil, err
}
headerCache[name] = factory
return nil
}
func CreatePacketHeader(name string, config interface{}) (PacketHeader, error) {
factory, found := headerCache[name]
if !found {
return nil, common.ErrObjectNotFound
switch h := header.(type) {
case PacketHeader:
return h, nil
default:
return nil, errors.New("Internet: Not a packet header.")
}
return factory.Create(config), nil
}

7
transport/internet/header_test.go
View File

@ -3,7 +3,6 @@ package internet_test
import (
"testing"
"v2ray.com/core/common/serial"
"v2ray.com/core/testing/assert"
. "v2ray.com/core/transport/internet"
"v2ray.com/core/transport/internet/headers/noop"
@ -14,15 +13,15 @@ import (
func TestAllHeadersLoadable(t *testing.T) {
assert := assert.On(t)
noopAuth, err := CreatePacketHeader(serial.GetMessageType(new(noop.Config)), nil)
noopAuth, err := CreatePacketHeader((*noop.Config)(nil))
assert.Error(err).IsNil()
assert.Int(noopAuth.Size()).Equals(0)
srtp, err := CreatePacketHeader(serial.GetMessageType(new(srtp.Config)), nil)
srtp, err := CreatePacketHeader((*srtp.Config)(nil))
assert.Error(err).IsNil()
assert.Int(srtp.Size()).Equals(4)
utp, err := CreatePacketHeader(serial.GetMessageType(new(utp.Config)), nil)
utp, err := CreatePacketHeader((*utp.Config)(nil))
assert.Error(err).IsNil()
assert.Int(utp.Size()).Equals(4)
}

12
transport/internet/headers/http/http.go
View File

@ -2,6 +2,7 @@ package http
import (
"bytes"
"context"
"errors"
"io"
"net"
@ -9,6 +10,7 @@ import (
"strings"
"time"
"v2ray.com/core/common"
"v2ray.com/core/common/buf"
"v2ray.com/core/common/serial"
"v2ray.com/core/transport/internet"
@ -265,6 +267,12 @@ func (HttpAuthenticatorFactory) Create(config interface{}) internet.ConnectionAu
}
}
func init() {
internet.RegisterConnectionAuthenticator(serial.GetMessageType(new(Config)), HttpAuthenticatorFactory{})
func NewHttpAuthenticator(ctx context.Context, config interface{}) (interface{}, error) {
return HttpAuthenticator{
config: config.(*Config),
}, nil
}
func init() {
common.Must(common.RegisterConfig((*Config)(nil), NewHttpAuthenticator))
}

32
transport/internet/headers/noop/config.pb.go
View File

@ -23,8 +23,17 @@ func (m *Config) String() string { return proto.CompactTextString(m)
func (*Config) ProtoMessage() {}
func (*Config) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{0} }
type ConnectionConfig struct {
}
func (m *ConnectionConfig) Reset() { *m = ConnectionConfig{} }
func (m *ConnectionConfig) String() string { return proto.CompactTextString(m) }
func (*ConnectionConfig) ProtoMessage() {}
func (*ConnectionConfig) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{1} }
func init() {
proto.RegisterType((*Config)(nil), "v2ray.core.transport.internet.headers.noop.Config")
proto.RegisterType((*ConnectionConfig)(nil), "v2ray.core.transport.internet.headers.noop.ConnectionConfig")
}
func init() {
@ -32,15 +41,16 @@ func init() {
}
var fileDescriptor0 = []byte{
// 160 bytes of a gzipped FileDescriptorProto
0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0xe2, 0xb2, 0x2e, 0x33, 0x2a, 0x4a,
0xac, 0xd4, 0x4b, 0xce, 0xcf, 0xd5, 0x4f, 0xce, 0x2f, 0x4a, 0xd5, 0x2f, 0x29, 0x4a, 0xcc, 0x2b,
0x2e, 0xc8, 0x2f, 0x2a, 0xd1, 0xcf, 0xcc, 0x2b, 0x49, 0x2d, 0xca, 0x4b, 0x2d, 0xd1, 0xcf, 0x48,
0x4d, 0x4c, 0x49, 0x2d, 0x2a, 0xd6, 0xcf, 0xcb, 0xcf, 0x2f, 0xd0, 0x4f, 0xce, 0xcf, 0x4b, 0xcb,
0x4c, 0xd7, 0x2b, 0x28, 0xca, 0x2f, 0xc9, 0x17, 0xd2, 0x82, 0x69, 0x2e, 0x4a, 0xd5, 0x83, 0x6b,
0xd4, 0x83, 0x69, 0xd4, 0x83, 0x6a, 0xd4, 0x03, 0x69, 0x54, 0xe2, 0xe0, 0x62, 0x73, 0x06, 0xeb,
0x75, 0x2a, 0xe0, 0x02, 0x59, 0xa7, 0x47, 0xbc, 0x5e, 0x27, 0x6e, 0x88, 0xce, 0x00, 0x90, 0xa5,
0x51, 0x2c, 0x20, 0xa1, 0x55, 0x4c, 0x5a, 0x61, 0x46, 0x41, 0x89, 0x95, 0x7a, 0xce, 0x20, 0xfd,
0x21, 0x70, 0xfd, 0x9e, 0x30, 0xfd, 0x1e, 0x50, 0xfd, 0x7e, 0xf9, 0xf9, 0x05, 0x49, 0x6c, 0x60,
0xe7, 0x1a, 0x03, 0x02, 0x00, 0x00, 0xff, 0xff, 0x89, 0x52, 0x33, 0x81, 0xed, 0x00, 0x00, 0x00,
// 174 bytes of a gzipped FileDescriptorProto
0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0x8c, 0xcf, 0xb1, 0xea, 0xc2, 0x40,
0x0c, 0xc7, 0x71, 0xf8, 0xf3, 0xa7, 0xc8, 0xb9, 0x48, 0x1f, 0xa1, 0x63, 0x87, 0x1c, 0xd4, 0xd1,
0xad, 0x5d, 0x74, 0x11, 0x11, 0x71, 0x70, 0x3b, 0xcf, 0xa8, 0x1d, 0x4c, 0x8e, 0x34, 0x08, 0x7d,
0x25, 0x9f, 0x52, 0xae, 0xed, 0x75, 0x76, 0xfd, 0xc1, 0x27, 0x7c, 0x63, 0x36, 0xef, 0x4a, 0x5c,
0x0f, 0x9e, 0x5f, 0xd6, 0xb3, 0xa0, 0x55, 0x71, 0xd4, 0x05, 0x16, 0xb5, 0x2d, 0x29, 0x0a, 0xa1,
0xda, 0x27, 0xba, 0x1b, 0x4a, 0x67, 0x89, 0x39, 0x58, 0xcf, 0x74, 0x6f, 0x1f, 0x10, 0x84, 0x95,
0xf3, 0x32, 0x61, 0x41, 0x98, 0x21, 0x24, 0x08, 0x13, 0x84, 0x08, 0x8b, 0x85, 0xc9, 0x9a, 0xc1,
0x16, 0xb9, 0x59, 0x35, 0x4c, 0x84, 0x5e, 0x5b, 0xa6, 0x71, 0xab, 0x83, 0x89, 0x09, 0xf0, 0xfb,
0xbd, 0x7a, 0x39, 0xca, 0x43, 0x0c, 0xb9, 0xfc, 0xc7, 0xe9, 0xf3, 0x57, 0x9e, 0xab, 0xa3, 0xeb,
0xa1, 0x89, 0xfe, 0x34, 0xfb, 0x5d, 0xf2, 0xdb, 0xc9, 0xef, 0x99, 0xc3, 0x35, 0x1b, 0x5e, 0x58,
0x7f, 0x03, 0x00, 0x00, 0xff, 0xff, 0x5e, 0x55, 0x14, 0x69, 0x01, 0x01, 0x00, 0x00,
}

2
transport/internet/headers/noop/config.proto
View File

@ -7,3 +7,5 @@ option java_package = "com.v2ray.core.transport.internet.headers.noop";
option java_outer_classname = "ConfigProto";
message Config {}
message ConnectionConfig{}

20
transport/internet/headers/noop/noop.go
View File

@ -1,10 +1,10 @@
package noop
import (
"context"
"net"
"v2ray.com/core/common/serial"
"v2ray.com/core/transport/internet"
"v2ray.com/core/common"
)
type NoOpHeader struct{}
@ -16,10 +16,8 @@ func (v NoOpHeader) Write([]byte) (int, error) {
return 0, nil
}
type NoOpHeaderFactory struct{}
func (v NoOpHeaderFactory) Create(config interface{}) internet.PacketHeader {
return NoOpHeader{}
func NewNoOpHeader(context.Context, interface{}) (interface{}, error) {
return NoOpHeader{}, nil
}
type NoOpConnectionHeader struct{}
@ -32,13 +30,11 @@ func (NoOpConnectionHeader) Server(conn net.Conn) net.Conn {
return conn
}
type NoOpConnectionHeaderFactory struct{}
func (NoOpConnectionHeaderFactory) Create(config interface{}) internet.ConnectionAuthenticator {
return NoOpConnectionHeader{}
func NewNoOpConnectionHeader(context.Context, interface{}) (interface{}, error) {
return NoOpConnectionHeader{}, nil
}
func init() {
internet.RegisterPacketHeader(serial.GetMessageType(new(Config)), NoOpHeaderFactory{})
internet.RegisterConnectionAuthenticator(serial.GetMessageType(new(Config)), NoOpConnectionHeaderFactory{})
common.Must(common.RegisterConfig((*Config)(nil), NewNoOpHeader))
common.Must(common.RegisterConfig((*ConnectionConfig)(nil), NewNoOpConnectionHeader))
}

12
transport/internet/headers/srtp/srtp.go
View File

@ -1,10 +1,11 @@
package srtp
import (
"context"
"math/rand"
"v2ray.com/core/common"
"v2ray.com/core/common/serial"
"v2ray.com/core/transport/internet"
)
type SRTP struct {
@ -23,16 +24,13 @@ func (v *SRTP) Write(b []byte) (int, error) {
return 4, nil
}
type SRTPFactory struct {
}
func (v SRTPFactory) Create(rawSettings interface{}) internet.PacketHeader {
func NewSRTP(ctx context.Context, config interface{}) (interface{}, error) {
return &SRTP{
header: 0xB5E8,
number: uint16(rand.Intn(65536)),
}
}, nil
}
func init() {
internet.RegisterPacketHeader(serial.GetMessageType(new(Config)), SRTPFactory{})
common.Must(common.RegisterConfig((*Config)(nil), NewSRTP))
}

11
transport/internet/headers/utp/utp.go
View File

@ -1,10 +1,11 @@
package utp
import (
"context"
"math/rand"
"v2ray.com/core/common"
"v2ray.com/core/common/serial"
"v2ray.com/core/transport/internet"
)
type UTP struct {
@ -24,16 +25,14 @@ func (v *UTP) Write(b []byte) (int, error) {
return 4, nil
}
type UTPFactory struct{}
func (v UTPFactory) Create(rawSettings interface{}) internet.PacketHeader {
func NewUTP(ctx context.Context, config interface{}) (interface{}, error) {
return &UTP{
header: 1,
extension: 0,
connectionId: uint16(rand.Intn(65536)),
}
}, nil
}
func init() {
internet.RegisterPacketHeader(serial.GetMessageType(new(Config)), UTPFactory{})
common.Must(common.RegisterConfig((*Config)(nil), NewUTP))
}

11
transport/internet/headers/wechat/wechat.go
View File

@ -1,10 +1,11 @@
package wechat
import (
"context"
"v2ray.com/core/common"
"v2ray.com/core/common/dice"
"v2ray.com/core/common/serial"
"v2ray.com/core/transport/internet"
)
type VideoChat struct {
@ -23,14 +24,12 @@ func (vc *VideoChat) Write(b []byte) (int, error) {
return 13, nil
}
type VideoChatFactory struct{}
func (VideoChatFactory) Create(rawSettings interface{}) internet.PacketHeader {
func NewVideoChat(ctx context.Context, config interface{}) (interface{}, error) {
return &VideoChat{
sn: dice.Roll(65535),
}
}, nil
}
func init() {
common.Must(internet.RegisterPacketHeader(serial.GetMessageType(new(VideoConfig)), VideoChatFactory{}))
common.Must(common.RegisterConfig((*VideoConfig)(nil), NewVideoChat))
}

2
transport/internet/kcp/config.go
View File

@ -67,7 +67,7 @@ func (v *Config) GetPackerHeader() (internet.PacketHeader, error) {
return nil, err
}
return internet.CreatePacketHeader(v.HeaderConfig.Type, rawConfig)
return internet.CreatePacketHeader(rawConfig)
}
return nil, nil
}

2
transport/internet/tcp/dialer.go
View File

@ -59,7 +59,7 @@ func Dial(src v2net.Address, dest v2net.Destination, options internet.DialerOpti
if err != nil {
return nil, errors.Base(err).Message("Interent|TCP: Failed to get header settings.")
}
auth, err := internet.CreateConnectionAuthenticator(tcpSettings.HeaderSettings.Type, headerConfig)
auth, err := internet.CreateConnectionAuthenticator(headerConfig)
if err != nil {
return nil, errors.Base(err).Message("Internet|TCP: Failed to create header authenticator.")
}

2
transport/internet/tcp/hub.go
View File

@ -70,7 +70,7 @@ func ListenTCP(address v2net.Address, port v2net.Port, options internet.ListenOp
if err != nil {
return nil, errors.Base(err).Message("Internet|TCP: Invalid header settings.")
}
auth, err := internet.CreateConnectionAuthenticator(tcpSettings.HeaderSettings.Type, headerConfig)
auth, err := internet.CreateConnectionAuthenticator(headerConfig)
if err != nil {
return nil, errors.Base(err).Message("Internet|TCP: Invalid header settings.")
}