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