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// Copyright 2011 The Go 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 net
import (
"io"
"runtime"
"testing"
)
var unicastTests = []struct {
net string
laddr string
ipv6 bool
packet bool
}{
{net: "tcp4", laddr: "127.0.0.1:0"},
{net: "tcp4", laddr: "previous"},
{net: "tcp6", laddr: "[::1]:0", ipv6: true},
{net: "tcp6", laddr: "previous", ipv6: true},
{net: "udp4", laddr: "127.0.0.1:0", packet: true},
{net: "udp6", laddr: "[::1]:0", ipv6: true, packet: true},
}
func TestUnicastTCPAndUDP(t *testing.T) {
if runtime.GOOS == "plan9" || runtime.GOOS == "windows" {
return
}
prevladdr := ""
for _, tt := range unicastTests {
if tt.ipv6 && !supportsIPv6 {
continue
}
var (
fd *netFD
closer io.Closer
)
if !tt.packet {
if tt.laddr == "previous" {
tt.laddr = prevladdr
}
l, err := Listen(tt.net, tt.laddr)
if err != nil {
t.Fatalf("Listen failed: %v", err)
}
prevladdr = l.Addr().String()
closer = l
fd = l.(*TCPListener).fd
} else {
c, err := ListenPacket(tt.net, tt.laddr)
if err != nil {
t.Fatalf("ListenPacket failed: %v", err)
}
closer = c
fd = c.(*UDPConn).fd
}
if !tt.ipv6 {
testIPv4UnicastSocketOptions(t, fd)
} else {
testIPv6UnicastSocketOptions(t, fd)
}
closer.Close()
}
}
func testIPv4UnicastSocketOptions(t *testing.T, fd *netFD) {
tos, err := ipv4TOS(fd)
if err != nil {
t.Fatalf("ipv4TOS failed: %v", err)
}
t.Logf("IPv4 TOS: %v", tos)
err = setIPv4TOS(fd, 1)
if err != nil {
t.Fatalf("setIPv4TOS failed: %v", err)
}
ttl, err := ipv4TTL(fd)
if err != nil {
t.Fatalf("ipv4TTL failed: %v", err)
}
t.Logf("IPv4 TTL: %v", ttl)
err = setIPv4TTL(fd, 1)
if err != nil {
t.Fatalf("setIPv4TTL failed: %v", err)
}
}
func testIPv6UnicastSocketOptions(t *testing.T, fd *netFD) {
tos, err := ipv6TrafficClass(fd)
if err != nil {
t.Fatalf("ipv6TrafficClass failed: %v", err)
}
t.Logf("IPv6 TrafficClass: %v", tos)
err = setIPv6TrafficClass(fd, 1)
if err != nil {
t.Fatalf("setIPv6TrafficClass failed: %v", err)
}
hoplim, err := ipv6HopLimit(fd)
if err != nil {
t.Fatalf("ipv6HopLimit failed: %v", err)
}
t.Logf("IPv6 HopLimit: %v", hoplim)
err = setIPv6HopLimit(fd, 1)
if err != nil {
t.Fatalf("setIPv6HopLimit failed: %v", err)
}
}
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