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package socket
import (
"fmt"
"log"
"net"
"time"
"tunnel/pkg/server/env"
)
const defaultTimeout = 5 * time.Second
type dialSocket struct {
Proto string `opts:"default:tcp"`
Addr string `opts:"required"`
}
func (s *dialSocket) String() string {
return fmt.Sprintf("%s/%s", s.Proto, s.Addr)
}
func (s *dialSocket) New(e env.Env) (Conn, error) {
proto, addr := parseProtoAddr(s.Proto, e.Expand(s.Addr))
conn, err := net.DialTimeout(proto, addr, defaultTimeout)
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() {
}
func init() {
register("dial", "connect to the network address", dialSocket{})
}
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