149 lines
3.1 KiB
Go
149 lines
3.1 KiB
Go
// Copyright 2012 The Go 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 ipv4_test
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import (
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"net"
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"runtime"
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"testing"
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"golang.org/x/net/internal/iana"
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"golang.org/x/net/internal/nettest"
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"golang.org/x/net/ipv4"
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)
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func TestConnUnicastSocketOptions(t *testing.T) {
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switch runtime.GOOS {
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case "js", "nacl", "plan9", "windows":
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t.Skipf("not supported on %s", runtime.GOOS)
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}
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ifi := nettest.RoutedInterface("ip4", net.FlagUp|net.FlagLoopback)
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if ifi == nil {
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t.Skipf("not available on %s", runtime.GOOS)
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}
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ln, err := net.Listen("tcp4", "127.0.0.1:0")
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if err != nil {
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t.Fatal(err)
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}
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defer ln.Close()
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errc := make(chan error, 1)
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go func() {
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c, err := ln.Accept()
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if err != nil {
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errc <- err
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return
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}
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errc <- c.Close()
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}()
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c, err := net.Dial("tcp4", ln.Addr().String())
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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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testUnicastSocketOptions(t, ipv4.NewConn(c))
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if err := <-errc; err != nil {
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t.Errorf("server: %v", err)
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}
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}
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var packetConnUnicastSocketOptionTests = []struct {
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net, proto, addr string
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}{
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{"udp4", "", "127.0.0.1:0"},
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{"ip4", ":icmp", "127.0.0.1"},
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}
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func TestPacketConnUnicastSocketOptions(t *testing.T) {
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switch runtime.GOOS {
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case "js", "nacl", "plan9", "windows":
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t.Skipf("not supported on %s", runtime.GOOS)
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}
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ifi := nettest.RoutedInterface("ip4", net.FlagUp|net.FlagLoopback)
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if ifi == nil {
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t.Skipf("not available on %s", runtime.GOOS)
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}
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m, ok := nettest.SupportsRawIPSocket()
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for _, tt := range packetConnUnicastSocketOptionTests {
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if tt.net == "ip4" && !ok {
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t.Log(m)
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continue
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}
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c, err := net.ListenPacket(tt.net+tt.proto, tt.addr)
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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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testUnicastSocketOptions(t, ipv4.NewPacketConn(c))
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}
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}
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func TestRawConnUnicastSocketOptions(t *testing.T) {
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switch runtime.GOOS {
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case "js", "nacl", "plan9", "windows":
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t.Skipf("not supported on %s", runtime.GOOS)
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}
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if m, ok := nettest.SupportsRawIPSocket(); !ok {
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t.Skip(m)
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}
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ifi := nettest.RoutedInterface("ip4", net.FlagUp|net.FlagLoopback)
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if ifi == nil {
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t.Skipf("not available on %s", runtime.GOOS)
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}
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c, err := net.ListenPacket("ip4:icmp", "127.0.0.1")
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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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r, err := ipv4.NewRawConn(c)
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if err != nil {
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t.Fatal(err)
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}
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testUnicastSocketOptions(t, r)
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}
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type testIPv4UnicastConn interface {
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TOS() (int, error)
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SetTOS(int) error
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TTL() (int, error)
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SetTTL(int) error
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}
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func testUnicastSocketOptions(t *testing.T, c testIPv4UnicastConn) {
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tos := iana.DiffServCS0 | iana.NotECNTransport
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switch runtime.GOOS {
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case "windows":
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// IP_TOS option is supported on Windows 8 and beyond.
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t.Skipf("not supported on %s", runtime.GOOS)
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}
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if err := c.SetTOS(tos); err != nil {
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t.Fatal(err)
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}
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if v, err := c.TOS(); err != nil {
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t.Fatal(err)
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} else if v != tos {
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t.Fatalf("got %v; want %v", v, tos)
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}
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const ttl = 255
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if err := c.SetTTL(ttl); err != nil {
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t.Fatal(err)
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}
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if v, err := c.TTL(); err != nil {
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t.Fatal(err)
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} else if v != ttl {
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t.Fatalf("got %v; want %v", v, ttl)
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}
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}
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