mirror of
https://github.com/v2fly/v2ray-core.git
synced 2024-11-05 17:57:42 -05:00
134 lines
2.9 KiB
Go
134 lines
2.9 KiB
Go
package proxy
|
|
|
|
import (
|
|
"errors"
|
|
"io"
|
|
"net"
|
|
"time"
|
|
|
|
"v2ray.com/core/app"
|
|
"v2ray.com/core/app/proxyman"
|
|
"v2ray.com/core/common/alloc"
|
|
v2io "v2ray.com/core/common/io"
|
|
"v2ray.com/core/common/log"
|
|
v2net "v2ray.com/core/common/net"
|
|
"v2ray.com/core/transport/internet"
|
|
"v2ray.com/core/transport/ray"
|
|
)
|
|
|
|
const (
|
|
APP_ID = 7
|
|
)
|
|
|
|
type OutboundProxy struct {
|
|
outboundManager proxyman.OutboundHandlerManager
|
|
}
|
|
|
|
func NewOutboundProxy(space app.Space) *OutboundProxy {
|
|
proxy := new(OutboundProxy)
|
|
space.InitializeApplication(func() error {
|
|
if !space.HasApp(proxyman.APP_ID_OUTBOUND_MANAGER) {
|
|
return errors.New("Proxy: Outbound handler manager not found.")
|
|
}
|
|
proxy.outboundManager = space.GetApp(proxyman.APP_ID_OUTBOUND_MANAGER).(proxyman.OutboundHandlerManager)
|
|
return nil
|
|
})
|
|
return proxy
|
|
}
|
|
|
|
func (this *OutboundProxy) RegisterDialer() {
|
|
internet.ProxyDialer = this.Dial
|
|
}
|
|
|
|
func (this *OutboundProxy) Dial(src v2net.Address, dest v2net.Destination, options internet.DialerOptions) (internet.Connection, error) {
|
|
handler := this.outboundManager.GetHandler(options.Proxy.Tag)
|
|
if handler == nil {
|
|
log.Warning("Proxy: Failed to get outbound handler with tag: ", options.Proxy.Tag)
|
|
return internet.Dial(src, dest, internet.DialerOptions{
|
|
Stream: options.Stream,
|
|
})
|
|
}
|
|
stream := ray.NewRay()
|
|
go handler.Dispatch(dest, alloc.NewLocalBuffer(32).Clear(), stream)
|
|
return NewProxyConnection(src, dest, stream), nil
|
|
}
|
|
|
|
func (this *OutboundProxy) Release() {
|
|
|
|
}
|
|
|
|
type ProxyConnection struct {
|
|
stream ray.Ray
|
|
closed bool
|
|
localAddr net.Addr
|
|
remoteAddr net.Addr
|
|
|
|
reader *v2io.ChanReader
|
|
writer *v2io.ChainWriter
|
|
}
|
|
|
|
func NewProxyConnection(src v2net.Address, dest v2net.Destination, stream ray.Ray) *ProxyConnection {
|
|
return &ProxyConnection{
|
|
stream: stream,
|
|
localAddr: &net.TCPAddr{
|
|
IP: []byte{0, 0, 0, 0},
|
|
Port: 0,
|
|
},
|
|
remoteAddr: &net.TCPAddr{
|
|
IP: []byte{0, 0, 0, 0},
|
|
Port: 0,
|
|
},
|
|
reader: v2io.NewChanReader(stream.InboundOutput()),
|
|
writer: v2io.NewChainWriter(stream.InboundInput()),
|
|
}
|
|
}
|
|
|
|
func (this *ProxyConnection) Read(b []byte) (int, error) {
|
|
if this.closed {
|
|
return 0, io.EOF
|
|
}
|
|
return this.reader.Read(b)
|
|
}
|
|
|
|
func (this *ProxyConnection) Write(b []byte) (int, error) {
|
|
if this.closed {
|
|
return 0, io.EOF
|
|
}
|
|
return this.writer.Write(b)
|
|
}
|
|
|
|
func (this *ProxyConnection) Close() error {
|
|
this.closed = true
|
|
this.stream.InboundInput().Close()
|
|
this.stream.InboundOutput().Release()
|
|
return nil
|
|
}
|
|
|
|
func (this *ProxyConnection) LocalAddr() net.Addr {
|
|
return this.localAddr
|
|
}
|
|
|
|
func (this *ProxyConnection) RemoteAddr() net.Addr {
|
|
return this.remoteAddr
|
|
}
|
|
|
|
func (this *ProxyConnection) SetDeadline(t time.Time) error {
|
|
return nil
|
|
}
|
|
|
|
func (this *ProxyConnection) SetReadDeadline(t time.Time) error {
|
|
return nil
|
|
}
|
|
|
|
func (this *ProxyConnection) SetWriteDeadline(t time.Time) error {
|
|
return nil
|
|
}
|
|
|
|
func (this *ProxyConnection) Reusable() bool {
|
|
return false
|
|
}
|
|
|
|
func (this *ProxyConnection) SetReusable(bool) {
|
|
|
|
}
|