tun2: do pingloop more manually

lib/tun2/.#server.go

@@ -0,0 +1 @@
+xena@greedo.xeserv.us.3075:1486865539

lib/tun2/server.go

@@ -7,6 +7,7 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
+	"io/ioutil"
 	"math/rand"
 	"net"
 	"net/http"
@@ -153,12 +154,27 @@ func (s *Server) ListenAndServe() error {
 					panic(err)
 				}
 
-				_, err = s.RoundTrip(req)
+				stream, err := c.session.OpenStream()
 				if err != nil {
 					ln.Error(err)
 
 					c.cancel()
 				}
+
+				err = req.Write(stream)
+				if err != nil {
+					ln.Error(err)
+
+					c.cancel()
+				}
+
+				_, err = ioutil.ReadAll(stream)
+				if err != nil {
+					ln.Error(err)
+					c.cancel()
+				}
+
+				stream.Close()
 			}
 
 			s.connlock.Unlock()
@@ -188,7 +204,7 @@ func (s *Server) HandleConn(c net.Conn, isKCP bool) {
 	controlStream, err := session.OpenStream()
 	if err != nil {
 		ln.Error(err, ln.F{
-			"action": "control_stream_failure",
+			"action": "control_stream_failure"
 			"local":  c.LocalAddr().String(),
 			"remote": c.RemoteAddr().String(),
 		})