mirror of
https://github.com/v2fly/v2ray-core.git
synced 2024-08-31 00:34:14 -04:00
79 lines
1.8 KiB
Go
79 lines
1.8 KiB
Go
package internet
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import (
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"net"
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"time"
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v2net "github.com/v2ray/v2ray-core/common/net"
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)
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var (
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effectiveSystemDialer SystemDialer
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)
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type SystemDialer interface {
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Dial(source v2net.Address, destination v2net.Destination) (net.Conn, error)
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}
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type DefaultSystemDialer struct {
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}
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func (this *DefaultSystemDialer) Dial(src v2net.Address, dest v2net.Destination) (net.Conn, error) {
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dialer := &net.Dialer{
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Timeout: time.Second * 60,
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DualStack: true,
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}
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if src != nil && src != v2net.AnyIP {
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var addr net.Addr
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if dest.IsTCP() {
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addr = &net.TCPAddr{
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IP: src.IP(),
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Port: 0,
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}
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} else {
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addr = &net.UDPAddr{
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IP: src.IP(),
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Port: 0,
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}
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}
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dialer.LocalAddr = addr
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}
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return dialer.Dial(dest.Network().String(), dest.NetAddr())
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}
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type SystemDialerAdapter interface {
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Dial(network string, address string) (net.Conn, error)
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}
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type SimpleSystemDialer struct {
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adapter SystemDialerAdapter
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}
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func WithAdapter(dialer SystemDialerAdapter) SystemDialer {
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return &SimpleSystemDialer{
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adapter: dialer,
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}
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}
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func (this *SimpleSystemDialer) Dial(src v2net.Address, dest v2net.Destination) (net.Conn, error) {
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return this.adapter.Dial(dest.Network().String(), dest.NetAddr())
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}
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// UseAlternativeSystemDialer replaces the current system dialer with a given one.
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// Caller must ensure there is no race condition.
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func UseAlternativeSystemDialer(dialer SystemDialer) {
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effectiveSystemDialer = dialer
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}
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// SubstituteDialer replaces the current system dialer with a given one.
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// Caller must ensure there is no race condition.
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// @Deprecated: Use UseAlternativeSimpleSystemDialer.
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func SubstituteDialer(dialer SystemDialerAdapter) error {
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UseAlternativeSystemDialer(WithAdapter(dialer))
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return nil
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}
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func init() {
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effectiveSystemDialer = &DefaultSystemDialer{}
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}
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