mirror of
https://github.com/tailscale/tailscale.git
synced 2025-10-31 00:01:40 +01:00
323747c3e0
There's nothing about it on https://github.com/multipath-tcp/mptcp_net-next/issues/ but empirically MPTCP doesn't support this option on awly's kernel 6.13.2 and in GitHub actions. Updates #15015 Signed-off-by: Andrew Lytvynov <awly@tailscale.com>
52 lines
1.2 KiB
Go
52 lines
1.2 KiB
Go
// Copyright (c) Tailscale Inc & AUTHORS
|
|
// SPDX-License-Identifier: BSD-3-Clause
|
|
|
|
package ktimeout
|
|
|
|
import (
|
|
"context"
|
|
"net"
|
|
"testing"
|
|
"time"
|
|
|
|
"golang.org/x/sys/unix"
|
|
"tailscale.com/util/must"
|
|
)
|
|
|
|
func TestSetUserTimeout(t *testing.T) {
|
|
lc := net.ListenConfig{}
|
|
// As of 2025-02-19, MPTCP does not support TCP_USER_TIMEOUT socket option
|
|
// set in ktimeout.UserTimeout above.
|
|
lc.SetMultipathTCP(false)
|
|
|
|
l := must.Get(lc.Listen(context.Background(), "tcp", "localhost:0"))
|
|
defer l.Close()
|
|
|
|
var err error
|
|
if e := must.Get(l.(*net.TCPListener).SyscallConn()).Control(func(fd uintptr) {
|
|
err = SetUserTimeout(fd, 0)
|
|
}); e != nil {
|
|
t.Fatal(e)
|
|
}
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
v := must.Get(unix.GetsockoptInt(int(must.Get(l.(*net.TCPListener).File()).Fd()), unix.SOL_TCP, unix.TCP_USER_TIMEOUT))
|
|
if v != 0 {
|
|
t.Errorf("TCP_USER_TIMEOUT: got %v; want 0", v)
|
|
}
|
|
|
|
if e := must.Get(l.(*net.TCPListener).SyscallConn()).Control(func(fd uintptr) {
|
|
err = SetUserTimeout(fd, 30*time.Second)
|
|
}); e != nil {
|
|
t.Fatal(e)
|
|
}
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
v = must.Get(unix.GetsockoptInt(int(must.Get(l.(*net.TCPListener).File()).Fd()), unix.SOL_TCP, unix.TCP_USER_TIMEOUT))
|
|
if v != 30000 {
|
|
t.Errorf("TCP_USER_TIMEOUT: got %v; want 30000", v)
|
|
}
|
|
}
|