mirror of
https://github.com/v2fly/v2ray-core.git
synced 2025-10-30 17:29:23 +00:00
134 lines
2.9 KiB
Go
134 lines
2.9 KiB
Go
package proxy
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import (
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"errors"
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"io"
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"net"
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"time"
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"v2ray.com/core/app"
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"v2ray.com/core/app/proxyman"
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"v2ray.com/core/common/alloc"
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v2io "v2ray.com/core/common/io"
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"v2ray.com/core/common/log"
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v2net "v2ray.com/core/common/net"
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"v2ray.com/core/transport/internet"
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"v2ray.com/core/transport/ray"
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)
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const (
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APP_ID = 7
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)
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type OutboundProxy struct {
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outboundManager proxyman.OutboundHandlerManager
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}
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func NewOutboundProxy(space app.Space) *OutboundProxy {
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proxy := new(OutboundProxy)
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space.InitializeApplication(func() error {
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if !space.HasApp(proxyman.APP_ID_OUTBOUND_MANAGER) {
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return errors.New("Proxy: Outbound handler manager not found.")
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}
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proxy.outboundManager = space.GetApp(proxyman.APP_ID_OUTBOUND_MANAGER).(proxyman.OutboundHandlerManager)
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return nil
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})
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return proxy
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}
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func (this *OutboundProxy) RegisterDialer() {
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internet.ProxyDialer = this.Dial
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}
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func (this *OutboundProxy) Dial(src v2net.Address, dest v2net.Destination, options internet.DialerOptions) (internet.Connection, error) {
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handler := this.outboundManager.GetHandler(options.Proxy.Tag)
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if handler == nil {
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log.Warning("Proxy: Failed to get outbound handler with tag: ", options.Proxy.Tag)
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return internet.Dial(src, dest, internet.DialerOptions{
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Stream: options.Stream,
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})
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}
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stream := ray.NewRay()
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go handler.Dispatch(dest, alloc.NewLocalBuffer(32).Clear(), stream)
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return NewProxyConnection(src, dest, stream), nil
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}
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func (this *OutboundProxy) Release() {
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}
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type ProxyConnection struct {
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stream ray.Ray
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closed bool
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localAddr net.Addr
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remoteAddr net.Addr
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reader *v2io.ChanReader
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writer *v2io.ChainWriter
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}
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func NewProxyConnection(src v2net.Address, dest v2net.Destination, stream ray.Ray) *ProxyConnection {
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return &ProxyConnection{
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stream: stream,
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localAddr: &net.TCPAddr{
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IP: []byte{0, 0, 0, 0},
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Port: 0,
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},
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remoteAddr: &net.TCPAddr{
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IP: []byte{0, 0, 0, 0},
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Port: 0,
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},
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reader: v2io.NewChanReader(stream.InboundOutput()),
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writer: v2io.NewChainWriter(stream.InboundInput()),
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}
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}
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func (this *ProxyConnection) Read(b []byte) (int, error) {
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if this.closed {
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return 0, io.EOF
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}
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return this.reader.Read(b)
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}
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func (this *ProxyConnection) Write(b []byte) (int, error) {
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if this.closed {
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return 0, io.ErrClosedPipe
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}
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return this.writer.Write(b)
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}
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func (this *ProxyConnection) Close() error {
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this.closed = true
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this.stream.InboundInput().Close()
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this.stream.InboundOutput().Release()
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return nil
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}
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func (this *ProxyConnection) LocalAddr() net.Addr {
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return this.localAddr
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}
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func (this *ProxyConnection) RemoteAddr() net.Addr {
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return this.remoteAddr
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}
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func (this *ProxyConnection) SetDeadline(t time.Time) error {
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return nil
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}
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func (this *ProxyConnection) SetReadDeadline(t time.Time) error {
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return nil
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}
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func (this *ProxyConnection) SetWriteDeadline(t time.Time) error {
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return nil
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}
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func (this *ProxyConnection) Reusable() bool {
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return false
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}
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func (this *ProxyConnection) SetReusable(bool) {
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}
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