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go/src/net/unixsock_test.go
Brad Fitzpatrick 519474451a all: make copyright headers consistent with one space after period
This is a subset of https://golang.org/cl/20022 with only the copyright
header lines, so the next CL will be smaller and more reviewable.

Go policy has been single space after periods in comments for some time.

The copyright header template at:

    https://golang.org/doc/contribute.html#copyright

also uses a single space.

Make them all consistent.

Change-Id: Icc26c6b8495c3820da6b171ca96a74701b4a01b0
Reviewed-on: https://go-review.googlesource.com/20111
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2016-03-01 23:34:33 +00:00

443 lines
9.8 KiB
Go

// Copyright 2013 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.
// +build !nacl,!plan9,!windows
package net
import (
"bytes"
"os"
"reflect"
"runtime"
"syscall"
"testing"
"time"
)
func TestReadUnixgramWithUnnamedSocket(t *testing.T) {
if !testableNetwork("unixgram") {
t.Skip("unixgram test")
}
addr := testUnixAddr()
la, err := ResolveUnixAddr("unixgram", addr)
if err != nil {
t.Fatal(err)
}
c, err := ListenUnixgram("unixgram", la)
if err != nil {
t.Fatal(err)
}
defer func() {
c.Close()
os.Remove(addr)
}()
off := make(chan bool)
data := [5]byte{1, 2, 3, 4, 5}
go func() {
defer func() { off <- true }()
s, err := syscall.Socket(syscall.AF_UNIX, syscall.SOCK_DGRAM, 0)
if err != nil {
t.Error(err)
return
}
defer syscall.Close(s)
rsa := &syscall.SockaddrUnix{Name: addr}
if err := syscall.Sendto(s, data[:], 0, rsa); err != nil {
t.Error(err)
return
}
}()
<-off
b := make([]byte, 64)
c.SetReadDeadline(time.Now().Add(100 * time.Millisecond))
n, from, err := c.ReadFrom(b)
if err != nil {
t.Fatal(err)
}
if from != nil {
t.Fatalf("unexpected peer address: %v", from)
}
if !bytes.Equal(b[:n], data[:]) {
t.Fatalf("got %v; want %v", b[:n], data[:])
}
}
func TestUnixgramZeroBytePayload(t *testing.T) {
if !testableNetwork("unixgram") {
t.Skip("unixgram test")
}
c1, err := newLocalPacketListener("unixgram")
if err != nil {
t.Fatal(err)
}
defer os.Remove(c1.LocalAddr().String())
defer c1.Close()
c2, err := Dial("unixgram", c1.LocalAddr().String())
if err != nil {
t.Fatal(err)
}
defer os.Remove(c2.LocalAddr().String())
defer c2.Close()
for _, genericRead := range []bool{false, true} {
n, err := c2.Write(nil)
if err != nil {
t.Fatal(err)
}
if n != 0 {
t.Errorf("got %d; want 0", n)
}
c1.SetReadDeadline(time.Now().Add(100 * time.Millisecond))
var b [1]byte
var peer Addr
if genericRead {
_, err = c1.(Conn).Read(b[:])
} else {
_, peer, err = c1.ReadFrom(b[:])
}
switch err {
case nil: // ReadFrom succeeds
if peer != nil { // peer is connected-mode
t.Fatalf("unexpected peer address: %v", peer)
}
default: // Read may timeout, it depends on the platform
if nerr, ok := err.(Error); !ok || !nerr.Timeout() {
t.Fatal(err)
}
}
}
}
func TestUnixgramZeroByteBuffer(t *testing.T) {
if !testableNetwork("unixgram") {
t.Skip("unixgram test")
}
// issue 4352: Recvfrom failed with "address family not
// supported by protocol family" if zero-length buffer provided
c1, err := newLocalPacketListener("unixgram")
if err != nil {
t.Fatal(err)
}
defer os.Remove(c1.LocalAddr().String())
defer c1.Close()
c2, err := Dial("unixgram", c1.LocalAddr().String())
if err != nil {
t.Fatal(err)
}
defer os.Remove(c2.LocalAddr().String())
defer c2.Close()
b := []byte("UNIXGRAM ZERO BYTE BUFFER TEST")
for _, genericRead := range []bool{false, true} {
n, err := c2.Write(b)
if err != nil {
t.Fatal(err)
}
if n != len(b) {
t.Errorf("got %d; want %d", n, len(b))
}
c1.SetReadDeadline(time.Now().Add(100 * time.Millisecond))
var peer Addr
if genericRead {
_, err = c1.(Conn).Read(nil)
} else {
_, peer, err = c1.ReadFrom(nil)
}
switch err {
case nil: // ReadFrom succeeds
if peer != nil { // peer is connected-mode
t.Fatalf("unexpected peer address: %v", peer)
}
default: // Read may timeout, it depends on the platform
if nerr, ok := err.(Error); !ok || !nerr.Timeout() {
t.Fatal(err)
}
}
}
}
func TestUnixgramAutobind(t *testing.T) {
if runtime.GOOS != "linux" {
t.Skip("autobind is linux only")
}
laddr := &UnixAddr{Name: "", Net: "unixgram"}
c1, err := ListenUnixgram("unixgram", laddr)
if err != nil {
t.Fatal(err)
}
defer c1.Close()
// retrieve the autobind address
autoAddr := c1.LocalAddr().(*UnixAddr)
if len(autoAddr.Name) <= 1 {
t.Fatalf("invalid autobind address: %v", autoAddr)
}
if autoAddr.Name[0] != '@' {
t.Fatalf("invalid autobind address: %v", autoAddr)
}
c2, err := DialUnix("unixgram", nil, autoAddr)
if err != nil {
t.Fatal(err)
}
defer c2.Close()
if !reflect.DeepEqual(c1.LocalAddr(), c2.RemoteAddr()) {
t.Fatalf("expected autobind address %v, got %v", c1.LocalAddr(), c2.RemoteAddr())
}
}
func TestUnixAutobindClose(t *testing.T) {
if runtime.GOOS != "linux" {
t.Skip("autobind is linux only")
}
laddr := &UnixAddr{Name: "", Net: "unix"}
ln, err := ListenUnix("unix", laddr)
if err != nil {
t.Fatal(err)
}
ln.Close()
}
func TestUnixgramWrite(t *testing.T) {
if !testableNetwork("unixgram") {
t.Skip("unixgram test")
}
addr := testUnixAddr()
laddr, err := ResolveUnixAddr("unixgram", addr)
if err != nil {
t.Fatal(err)
}
c, err := ListenPacket("unixgram", addr)
if err != nil {
t.Fatal(err)
}
defer os.Remove(addr)
defer c.Close()
testUnixgramWriteConn(t, laddr)
testUnixgramWritePacketConn(t, laddr)
}
func testUnixgramWriteConn(t *testing.T, raddr *UnixAddr) {
c, err := Dial("unixgram", raddr.String())
if err != nil {
t.Fatal(err)
}
defer c.Close()
b := []byte("CONNECTED-MODE SOCKET")
if _, err := c.(*UnixConn).WriteToUnix(b, raddr); err == nil {
t.Fatal("should fail")
} else if err.(*OpError).Err != ErrWriteToConnected {
t.Fatalf("should fail as ErrWriteToConnected: %v", err)
}
if _, err = c.(*UnixConn).WriteTo(b, raddr); err == nil {
t.Fatal("should fail")
} else if err.(*OpError).Err != ErrWriteToConnected {
t.Fatalf("should fail as ErrWriteToConnected: %v", err)
}
if _, _, err = c.(*UnixConn).WriteMsgUnix(b, nil, raddr); err == nil {
t.Fatal("should fail")
} else if err.(*OpError).Err != ErrWriteToConnected {
t.Fatalf("should fail as ErrWriteToConnected: %v", err)
}
if _, err := c.Write(b); err != nil {
t.Fatal(err)
}
}
func testUnixgramWritePacketConn(t *testing.T, raddr *UnixAddr) {
addr := testUnixAddr()
c, err := ListenPacket("unixgram", addr)
if err != nil {
t.Fatal(err)
}
defer os.Remove(addr)
defer c.Close()
b := []byte("UNCONNECTED-MODE SOCKET")
if _, err := c.(*UnixConn).WriteToUnix(b, raddr); err != nil {
t.Fatal(err)
}
if _, err := c.WriteTo(b, raddr); err != nil {
t.Fatal(err)
}
if _, _, err := c.(*UnixConn).WriteMsgUnix(b, nil, raddr); err != nil {
t.Fatal(err)
}
if _, err := c.(*UnixConn).Write(b); err == nil {
t.Fatal("should fail")
}
}
func TestUnixConnLocalAndRemoteNames(t *testing.T) {
if !testableNetwork("unix") {
t.Skip("unix test")
}
handler := func(ls *localServer, ln Listener) {}
for _, laddr := range []string{"", testUnixAddr()} {
laddr := laddr
taddr := testUnixAddr()
ta, err := ResolveUnixAddr("unix", taddr)
if err != nil {
t.Fatal(err)
}
ln, err := ListenUnix("unix", ta)
if err != nil {
t.Fatal(err)
}
ls, err := (&streamListener{Listener: ln}).newLocalServer()
if err != nil {
t.Fatal(err)
}
defer ls.teardown()
if err := ls.buildup(handler); err != nil {
t.Fatal(err)
}
la, err := ResolveUnixAddr("unix", laddr)
if err != nil {
t.Fatal(err)
}
c, err := DialUnix("unix", la, ta)
if err != nil {
t.Fatal(err)
}
defer func() {
c.Close()
if la != nil {
defer os.Remove(laddr)
}
}()
if _, err := c.Write([]byte("UNIXCONN LOCAL AND REMOTE NAME TEST")); err != nil {
t.Fatal(err)
}
switch runtime.GOOS {
case "android", "linux":
if laddr == "" {
laddr = "@" // autobind feature
}
}
var connAddrs = [3]struct{ got, want Addr }{
{ln.Addr(), ta},
{c.LocalAddr(), &UnixAddr{Name: laddr, Net: "unix"}},
{c.RemoteAddr(), ta},
}
for _, ca := range connAddrs {
if !reflect.DeepEqual(ca.got, ca.want) {
t.Fatalf("got %#v, expected %#v", ca.got, ca.want)
}
}
}
}
func TestUnixgramConnLocalAndRemoteNames(t *testing.T) {
if !testableNetwork("unixgram") {
t.Skip("unixgram test")
}
for _, laddr := range []string{"", testUnixAddr()} {
laddr := laddr
taddr := testUnixAddr()
ta, err := ResolveUnixAddr("unixgram", taddr)
if err != nil {
t.Fatal(err)
}
c1, err := ListenUnixgram("unixgram", ta)
if err != nil {
t.Fatal(err)
}
defer func() {
c1.Close()
os.Remove(taddr)
}()
var la *UnixAddr
if laddr != "" {
if la, err = ResolveUnixAddr("unixgram", laddr); err != nil {
t.Fatal(err)
}
}
c2, err := DialUnix("unixgram", la, ta)
if err != nil {
t.Fatal(err)
}
defer func() {
c2.Close()
if la != nil {
defer os.Remove(laddr)
}
}()
switch runtime.GOOS {
case "android", "linux":
if laddr == "" {
laddr = "@" // autobind feature
}
}
var connAddrs = [4]struct{ got, want Addr }{
{c1.LocalAddr(), ta},
{c1.RemoteAddr(), nil},
{c2.LocalAddr(), &UnixAddr{Name: laddr, Net: "unixgram"}},
{c2.RemoteAddr(), ta},
}
for _, ca := range connAddrs {
if !reflect.DeepEqual(ca.got, ca.want) {
t.Fatalf("got %#v; want %#v", ca.got, ca.want)
}
}
}
}
func TestUnixUnlink(t *testing.T) {
if !testableNetwork("unix") {
t.Skip("unix test")
}
name := testUnixAddr()
l, err := Listen("unix", name)
if err != nil {
t.Fatal(err)
}
if _, err := os.Stat(name); err != nil {
t.Fatalf("cannot stat unix socket after ListenUnix: %v", err)
}
f, _ := l.(*UnixListener).File()
l1, err := FileListener(f)
if err != nil {
t.Fatal(err)
}
if _, err := os.Stat(name); err != nil {
t.Fatalf("cannot stat unix socket after FileListener: %v", err)
}
if err := l1.Close(); err != nil {
t.Fatalf("closing file listener: %v", err)
}
if _, err := os.Stat(name); err != nil {
t.Fatalf("cannot stat unix socket after closing FileListener: %v", err)
}
f.Close()
if _, err := os.Stat(name); err != nil {
t.Fatalf("cannot stat unix socket after closing FileListener and fd: %v", err)
}
l.Close()
if _, err := os.Stat(name); err == nil {
t.Fatal("closing unix listener did not remove unix socket")
}
}