func TestConnUnicastSocketOptions(t *testing.T) {
switch runtime.GOOS {
case "nacl", "plan9", "solaris":
t.Skipf("not supported on %q", runtime.GOOS)
}
ifi := nettest.RoutedInterface("ip4", net.FlagUp|net.FlagLoopback)
if ifi == nil {
t.Skipf("not available on %q", runtime.GOOS)
}
ln, err := net.Listen("tcp4", "127.0.0.1:0")
if err != nil {
t.Fatalf("net.Listen failed: %v", err)
}
defer ln.Close()
done := make(chan bool)
go acceptor(t, ln, done)
c, err := net.Dial("tcp4", ln.Addr().String())
if err != nil {
t.Fatalf("net.Dial failed: %v", err)
}
defer c.Close()
testUnicastSocketOptions(t, ipv4.NewConn(c))
<-done
}
func ExampleUnicastTCPListener() {
ln, err := net.Listen("tcp4", "0.0.0.0:1024")
if err != nil {
log.Fatal(err)
}
defer ln.Close()
for {
c, err := ln.Accept()
if err != nil {
log.Fatal(err)
}
go func(c net.Conn) {
defer c.Close()
err := ipv4.NewConn(c).SetTOS(iana.DiffServAF11)
if err != nil {
log.Fatal(err)
}
_, err = c.Write([]byte("HELLO-R-U-THERE-ACK"))
if err != nil {
log.Fatal(err)
}
}(c)
}
}