mirror of
https://github.com/tailscale/tailscale.git
synced 2024-11-30 05:25:35 +00:00
43 lines
1.1 KiB
Go
43 lines
1.1 KiB
Go
|
// Copyright (c) 2020 Tailscale Inc & AUTHORS All rights reserved.
|
||
|
|
// Use of this source code is governed by a BSD-style
|
||
|
|
// license that can be found in the LICENSE file.
|
||
|
|
|
||
|
|
// Package netns contains the common code for using the Go net package
|
||
|
|
// in a logical "network namespace" to avoid routing loops where
|
||
|
|
// Tailscale-created packets would otherwise loop back through
|
||
|
|
// Tailscale routes.
|
||
|
|
//
|
||
|
|
// Despite the name netns, the exact mechanism used differs by
|
||
|
|
// operating system, and perhaps even by version of the OS.
|
||
|
|
//
|
||
|
|
// The netns package also handles connecting via SOCKS proxies when
|
||
|
|
// configured by the environment.
|
||
|
|
package netns
|
||
|
|
|
||
|
|
import (
|
||
|
|
"flag"
|
||
|
|
"testing"
|
||
|
|
)
|
||
|
|
|
||
|
|
var extNetwork = flag.Bool("use-external-network", false, "use the external network in tests")
|
||
|
|
|
||
|
|
func TestDial(t *testing.T) {
|
||
|
|
if !*extNetwork {
|
||
|
|
t.Skip("skipping test without --use-external-network")
|
||
|
|
}
|
||
|
|
d := NewDialer()
|
||
|
|
c, err := d.Dial("tcp", "google.com:80")
|
||
|
|
if err != nil {
|
||
|
|
t.Fatal(err)
|
||
|
|
}
|
||
|
|
defer c.Close()
|
||
|
|
t.Logf("got addr %v", c.RemoteAddr())
|
||
|
|
|
||
|
|
c, err = d.Dial("tcp4", "google.com:80")
|
||
|
|
if err != nil {
|
||
|
|
t.Fatal(err)
|
||
|
|
}
|
||
|
|
defer c.Close()
|
||
|
|
t.Logf("got addr %v", c.RemoteAddr())
|
||
|
|
}
|