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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 (
"os"
"reflect"
"runtime"
"testing"
)
type listenerFile interface {
Listener
File() (f *os.File, err error)
}
type packetConnFile interface {
PacketConn
File() (f *os.File, err error)
}
type connFile interface {
Conn
File() (f *os.File, err error)
}
func testFileListener(t *testing.T, net, laddr string) {
switch net {
case "tcp", "tcp4", "tcp6":
laddr += ":0" // any available port
}
l, err := Listen(net, laddr)
if err != nil {
t.Fatalf("Listen failed: %v", err)
}
defer l.Close()
lf := l.(listenerFile)
f, err := lf.File()
if err != nil {
t.Fatalf("File failed: %v", err)
}
c, err := FileListener(f)
if err != nil {
t.Fatalf("FileListener failed: %v", err)
}
if !reflect.DeepEqual(l.Addr(), c.Addr()) {
t.Fatalf("Addrs not equal: %#v != %#v", l.Addr(), c.Addr())
}
if err := c.Close(); err != nil {
t.Fatalf("Close failed: %v", err)
}
if err := f.Close(); err != nil {
t.Fatalf("Close failed: %v", err)
}
}
var fileListenerTests = []struct {
net string
laddr string
ipv6 bool // test with underlying AF_INET6 socket
linux bool // test with abstract unix domain socket, a Linux-ism
}{
{net: "tcp", laddr: ""},
{net: "tcp", laddr: "0.0.0.0"},
{net: "tcp", laddr: "[::ffff:0.0.0.0]"},
{net: "tcp", laddr: "[::]", ipv6: true},
{net: "tcp", laddr: "127.0.0.1"},
{net: "tcp", laddr: "[::ffff:127.0.0.1]"},
{net: "tcp", laddr: "[::1]", ipv6: true},
{net: "tcp4", laddr: ""},
{net: "tcp4", laddr: "0.0.0.0"},
{net: "tcp4", laddr: "[::ffff:0.0.0.0]"},
{net: "tcp4", laddr: "127.0.0.1"},
{net: "tcp4", laddr: "[::ffff:127.0.0.1]"},
{net: "tcp6", laddr: "", ipv6: true},
{net: "tcp6", laddr: "[::]", ipv6: true},
{net: "tcp6", laddr: "[::1]", ipv6: true},
{net: "unix", laddr: "@gotest/net", linux: true},
{net: "unixpacket", laddr: "@gotest/net", linux: true},
}
func TestFileListener(t *testing.T) {
switch runtime.GOOS {
case "nacl", "windows":
t.Skipf("skipping test on %q", runtime.GOOS)
}
for _, tt := range fileListenerTests {
if skipServerTest(tt.net, "unix", tt.laddr, tt.ipv6, false, tt.linux) {
continue
}
if skipServerTest(tt.net, "unixpacket", tt.laddr, tt.ipv6, false, tt.linux) {
continue
}
testFileListener(t, tt.net, tt.laddr)
}
}
func testFilePacketConn(t *testing.T, pcf packetConnFile, listen bool) {
f, err := pcf.File()
if err != nil {
t.Fatalf("File failed: %v", err)
}
c, err := FilePacketConn(f)
if err != nil {
t.Fatalf("FilePacketConn failed: %v", err)
}
if !reflect.DeepEqual(pcf.LocalAddr(), c.LocalAddr()) {
t.Fatalf("LocalAddrs not equal: %#v != %#v", pcf.LocalAddr(), c.LocalAddr())
}
if listen {
if _, err := c.WriteTo([]byte{}, c.LocalAddr()); err != nil {
t.Fatalf("WriteTo failed: %v", err)
}
}
if err := c.Close(); err != nil {
t.Fatalf("Close failed: %v", err)
}
if err := f.Close(); err != nil {
t.Fatalf("Close failed: %v", err)
}
}
func testFilePacketConnListen(t *testing.T, net, laddr string) {
switch net {
case "udp", "udp4", "udp6":
laddr += ":0" // any available port
}
l, err := ListenPacket(net, laddr)
if err != nil {
t.Fatalf("ListenPacket failed: %v", err)
}
testFilePacketConn(t, l.(packetConnFile), true)
if err := l.Close(); err != nil {
t.Fatalf("Close failed: %v", err)
}
}
func testFilePacketConnDial(t *testing.T, net, raddr string) {
switch net {
case "udp", "udp4", "udp6":
raddr += ":12345"
}
c, err := Dial(net, raddr)
if err != nil {
t.Fatalf("Dial failed: %v", err)
}
testFilePacketConn(t, c.(packetConnFile), false)
if err := c.Close(); err != nil {
t.Fatalf("Close failed: %v", err)
}
}
var filePacketConnTests = []struct {
net string
addr string
ipv6 bool // test with underlying AF_INET6 socket
linux bool // test with abstract unix domain socket, a Linux-ism
}{
{net: "udp", addr: "127.0.0.1"},
{net: "udp", addr: "[::ffff:127.0.0.1]"},
{net: "udp", addr: "[::1]", ipv6: true},
{net: "udp4", addr: "127.0.0.1"},
{net: "udp4", addr: "[::ffff:127.0.0.1]"},
{net: "udp6", addr: "[::1]", ipv6: true},
{net: "ip4:icmp", addr: "127.0.0.1"},
{net: "unixgram", addr: "@gotest3/net", linux: true},
}
func TestFilePacketConn(t *testing.T) {
switch runtime.GOOS {
case "nacl", "plan9", "windows":
t.Skipf("skipping test on %q", runtime.GOOS)
}
for _, tt := range filePacketConnTests {
if skipServerTest(tt.net, "unixgram", tt.addr, tt.ipv6, false, tt.linux) {
continue
}
if os.Getuid() != 0 && tt.net == "ip4:icmp" {
t.Log("skipping test; must be root")
continue
}
testFilePacketConnListen(t, tt.net, tt.addr)
switch tt.addr {
case "", "0.0.0.0", "[::ffff:0.0.0.0]", "[::]":
default:
if tt.net != "unixgram" {
testFilePacketConnDial(t, tt.net, tt.addr)
}
}
}
}
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