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v2fly/transport/internet/dialer.go
2016-10-02 23:43:58 +02:00

63 lines
1.3 KiB
Go

package internet
import (
"errors"
"net"
v2net "v2ray.com/core/common/net"
)
var (
ErrUnsupportedStreamType = errors.New("Unsupported stream type.")
)
type DialerOptions struct {
Stream *StreamConfig
}
type Dialer func(src v2net.Address, dest v2net.Destination, options DialerOptions) (Connection, error)
var (
TCPDialer Dialer
KCPDialer Dialer
RawTCPDialer Dialer
UDPDialer Dialer
WSDialer Dialer
)
func Dial(src v2net.Address, dest v2net.Destination, settings *StreamConfig) (Connection, error) {
var connection Connection
var err error
dialerOptions := DialerOptions{
Stream: settings,
}
if dest.Network == v2net.Network_TCP {
switch settings.Network {
case v2net.Network_TCP:
connection, err = TCPDialer(src, dest, dialerOptions)
case v2net.Network_KCP:
connection, err = KCPDialer(src, dest, dialerOptions)
case v2net.Network_WebSocket:
connection, err = WSDialer(src, dest, dialerOptions)
// This check has to be the last one.
case v2net.Network_RawTCP:
connection, err = RawTCPDialer(src, dest, dialerOptions)
default:
return nil, ErrUnsupportedStreamType
}
if err != nil {
return nil, err
}
return connection, nil
}
return UDPDialer(src, dest, dialerOptions)
}
func DialToDest(src v2net.Address, dest v2net.Destination) (net.Conn, error) {
return effectiveSystemDialer.Dial(src, dest)
}