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package socket
import (
"fmt"
"log"
"net"
"strings"
"tunnel/pkg/server/env"
)
type dialSocket struct {
proto, addr string
}
func newDialSocket(proto, addr string) (S, error) {
return &dialSocket{proto: proto, addr: addr}, nil
}
func (s *dialSocket) String() string {
return fmt.Sprintf("%s/%s", s.proto, s.addr)
}
func (s *dialSocket) Open(e env.Env) (Conn, error) {
addr := e.Expand(s.addr)
switch s.proto {
case "tcp", "udp":
if !strings.Contains(addr, ":") {
addr = "localhost:" + addr
}
}
conn, err := net.Dial(s.proto, addr)
if err != nil {
return nil, err
}
la, ra := conn.LocalAddr(), conn.RemoteAddr()
desc := fmt.Sprintf("%s/%s->%s", la.Network(), la, ra)
info := fmt.Sprintf(">%s/%s", ra.Network(), ra)
log.Println("dial", desc)
return newConn(conn, desc, info), nil
}
func (s *dialSocket) Close() {
}
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