mirror of git://gcc.gnu.org/git/gcc.git
334 lines
8.2 KiB
Go
334 lines
8.2 KiB
Go
// Copyright 2013 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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// +build !nacl,!plan9,!windows
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package net
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import (
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"bytes"
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"os"
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"reflect"
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"runtime"
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"syscall"
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"testing"
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"time"
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)
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func TestReadUnixgramWithUnnamedSocket(t *testing.T) {
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addr := testUnixAddr()
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la, err := ResolveUnixAddr("unixgram", addr)
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if err != nil {
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t.Fatalf("ResolveUnixAddr failed: %v", err)
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}
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c, err := ListenUnixgram("unixgram", la)
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if err != nil {
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t.Fatalf("ListenUnixgram failed: %v", err)
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}
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defer func() {
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c.Close()
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os.Remove(addr)
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}()
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off := make(chan bool)
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data := [5]byte{1, 2, 3, 4, 5}
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go func() {
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defer func() { off <- true }()
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s, err := syscall.Socket(syscall.AF_UNIX, syscall.SOCK_DGRAM, 0)
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if err != nil {
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t.Errorf("syscall.Socket failed: %v", err)
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return
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}
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defer syscall.Close(s)
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rsa := &syscall.SockaddrUnix{Name: addr}
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if err := syscall.Sendto(s, data[:], 0, rsa); err != nil {
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t.Errorf("syscall.Sendto failed: %v", err)
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return
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}
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}()
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<-off
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b := make([]byte, 64)
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c.SetReadDeadline(time.Now().Add(100 * time.Millisecond))
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n, from, err := c.ReadFrom(b)
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if err != nil {
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t.Fatalf("UnixConn.ReadFrom failed: %v", err)
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}
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if from != nil {
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t.Fatalf("neighbor address is %v", from)
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}
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if !bytes.Equal(b[:n], data[:]) {
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t.Fatalf("got %v, want %v", b[:n], data[:])
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}
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}
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func TestReadUnixgramWithZeroBytesBuffer(t *testing.T) {
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// issue 4352: Recvfrom failed with "address family not
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// supported by protocol family" if zero-length buffer provided
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addr := testUnixAddr()
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la, err := ResolveUnixAddr("unixgram", addr)
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if err != nil {
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t.Fatalf("ResolveUnixAddr failed: %v", err)
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}
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c, err := ListenUnixgram("unixgram", la)
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if err != nil {
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t.Fatalf("ListenUnixgram failed: %v", err)
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}
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defer func() {
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c.Close()
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os.Remove(addr)
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}()
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off := make(chan bool)
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go func() {
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defer func() { off <- true }()
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c, err := DialUnix("unixgram", nil, la)
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if err != nil {
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t.Errorf("DialUnix failed: %v", err)
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return
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}
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defer c.Close()
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if _, err := c.Write([]byte{1, 2, 3, 4, 5}); err != nil {
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t.Errorf("UnixConn.Write failed: %v", err)
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return
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}
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}()
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<-off
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c.SetReadDeadline(time.Now().Add(100 * time.Millisecond))
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_, from, err := c.ReadFrom(nil)
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if err != nil {
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t.Fatalf("UnixConn.ReadFrom failed: %v", err)
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}
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if from != nil {
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t.Fatalf("neighbor address is %v", from)
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}
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}
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func TestUnixgramAutobind(t *testing.T) {
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if runtime.GOOS != "linux" {
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t.Skip("skipping: autobind is linux only")
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}
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laddr := &UnixAddr{Name: "", Net: "unixgram"}
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c1, err := ListenUnixgram("unixgram", laddr)
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if err != nil {
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t.Fatalf("ListenUnixgram failed: %v", err)
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}
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defer c1.Close()
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// retrieve the autobind address
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autoAddr := c1.LocalAddr().(*UnixAddr)
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if len(autoAddr.Name) <= 1 {
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t.Fatalf("invalid autobind address: %v", autoAddr)
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}
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if autoAddr.Name[0] != '@' {
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t.Fatalf("invalid autobind address: %v", autoAddr)
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}
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c2, err := DialUnix("unixgram", nil, autoAddr)
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if err != nil {
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t.Fatalf("DialUnix failed: %v", err)
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}
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defer c2.Close()
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if !reflect.DeepEqual(c1.LocalAddr(), c2.RemoteAddr()) {
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t.Fatalf("expected autobind address %v, got %v", c1.LocalAddr(), c2.RemoteAddr())
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}
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}
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func TestUnixAutobindClose(t *testing.T) {
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if runtime.GOOS != "linux" {
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t.Skip("skipping: autobind is linux only")
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}
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laddr := &UnixAddr{Name: "", Net: "unix"}
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ln, err := ListenUnix("unix", laddr)
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if err != nil {
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t.Fatalf("ListenUnix failed: %v", err)
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}
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ln.Close()
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}
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func TestUnixgramWrite(t *testing.T) {
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addr := testUnixAddr()
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laddr, err := ResolveUnixAddr("unixgram", addr)
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if err != nil {
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t.Fatalf("ResolveUnixAddr failed: %v", err)
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}
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c, err := ListenPacket("unixgram", addr)
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if err != nil {
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t.Fatalf("ListenPacket failed: %v", err)
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}
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defer os.Remove(addr)
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defer c.Close()
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testUnixgramWriteConn(t, laddr)
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testUnixgramWritePacketConn(t, laddr)
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}
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func testUnixgramWriteConn(t *testing.T, raddr *UnixAddr) {
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c, err := Dial("unixgram", raddr.String())
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if err != nil {
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t.Fatalf("Dial failed: %v", err)
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}
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defer c.Close()
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if _, err := c.(*UnixConn).WriteToUnix([]byte("Connection-oriented mode socket"), raddr); err == nil {
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t.Fatal("WriteToUnix should fail")
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} else if err.(*OpError).Err != ErrWriteToConnected {
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t.Fatalf("WriteToUnix should fail as ErrWriteToConnected: %v", err)
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}
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if _, err = c.(*UnixConn).WriteTo([]byte("Connection-oriented mode socket"), raddr); err == nil {
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t.Fatal("WriteTo should fail")
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} else if err.(*OpError).Err != ErrWriteToConnected {
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t.Fatalf("WriteTo should fail as ErrWriteToConnected: %v", err)
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}
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if _, _, err = c.(*UnixConn).WriteMsgUnix([]byte("Connection-oriented mode socket"), nil, raddr); err == nil {
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t.Fatal("WriteTo should fail")
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} else if err.(*OpError).Err != ErrWriteToConnected {
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t.Fatalf("WriteMsgUnix should fail as ErrWriteToConnected: %v", err)
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}
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if _, err := c.Write([]byte("Connection-oriented mode socket")); err != nil {
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t.Fatalf("Write failed: %v", err)
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}
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}
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func testUnixgramWritePacketConn(t *testing.T, raddr *UnixAddr) {
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addr := testUnixAddr()
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c, err := ListenPacket("unixgram", addr)
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if err != nil {
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t.Fatalf("ListenPacket failed: %v", err)
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}
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defer os.Remove(addr)
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defer c.Close()
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if _, err := c.(*UnixConn).WriteToUnix([]byte("Connectionless mode socket"), raddr); err != nil {
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t.Fatalf("WriteToUnix failed: %v", err)
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}
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if _, err := c.WriteTo([]byte("Connectionless mode socket"), raddr); err != nil {
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t.Fatalf("WriteTo failed: %v", err)
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}
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if _, _, err := c.(*UnixConn).WriteMsgUnix([]byte("Connectionless mode socket"), nil, raddr); err != nil {
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t.Fatalf("WriteMsgUnix failed: %v", err)
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}
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if _, err := c.(*UnixConn).Write([]byte("Connectionless mode socket")); err == nil {
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t.Fatal("Write should fail")
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}
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}
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func TestUnixConnLocalAndRemoteNames(t *testing.T) {
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for _, laddr := range []string{"", testUnixAddr()} {
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laddr := laddr
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taddr := testUnixAddr()
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ta, err := ResolveUnixAddr("unix", taddr)
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if err != nil {
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t.Fatalf("ResolveUnixAddr failed: %v", err)
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}
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ln, err := ListenUnix("unix", ta)
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if err != nil {
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t.Fatalf("ListenUnix failed: %v", err)
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}
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defer func() {
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ln.Close()
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os.Remove(taddr)
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}()
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done := make(chan int)
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go transponder(t, ln, done)
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la, err := ResolveUnixAddr("unix", laddr)
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if err != nil {
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t.Fatalf("ResolveUnixAddr failed: %v", err)
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}
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c, err := DialUnix("unix", la, ta)
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if err != nil {
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t.Fatalf("DialUnix failed: %v", err)
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}
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defer func() {
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c.Close()
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if la != nil {
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defer os.Remove(laddr)
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}
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}()
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if _, err := c.Write([]byte("UNIXCONN LOCAL AND REMOTE NAME TEST")); err != nil {
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t.Fatalf("UnixConn.Write failed: %v", err)
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}
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switch runtime.GOOS {
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case "android", "linux":
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if laddr == "" {
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laddr = "@" // autobind feature
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}
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}
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var connAddrs = [3]struct{ got, want Addr }{
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{ln.Addr(), ta},
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{c.LocalAddr(), &UnixAddr{Name: laddr, Net: "unix"}},
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{c.RemoteAddr(), ta},
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}
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for _, ca := range connAddrs {
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if !reflect.DeepEqual(ca.got, ca.want) {
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t.Fatalf("got %#v, expected %#v", ca.got, ca.want)
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}
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}
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<-done
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}
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}
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func TestUnixgramConnLocalAndRemoteNames(t *testing.T) {
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for _, laddr := range []string{"", testUnixAddr()} {
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laddr := laddr
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taddr := testUnixAddr()
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ta, err := ResolveUnixAddr("unixgram", taddr)
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if err != nil {
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t.Fatalf("ResolveUnixAddr failed: %v", err)
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}
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c1, err := ListenUnixgram("unixgram", ta)
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if err != nil {
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t.Fatalf("ListenUnixgram failed: %v", err)
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}
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defer func() {
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c1.Close()
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os.Remove(taddr)
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}()
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var la *UnixAddr
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if laddr != "" {
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if la, err = ResolveUnixAddr("unixgram", laddr); err != nil {
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t.Fatalf("ResolveUnixAddr failed: %v", err)
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}
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}
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c2, err := DialUnix("unixgram", la, ta)
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if err != nil {
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t.Fatalf("DialUnix failed: %v", err)
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}
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defer func() {
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c2.Close()
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if la != nil {
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defer os.Remove(laddr)
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}
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}()
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switch runtime.GOOS {
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case "android", "linux":
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if laddr == "" {
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laddr = "@" // autobind feature
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}
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}
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var connAddrs = [4]struct{ got, want Addr }{
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{c1.LocalAddr(), ta},
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{c1.RemoteAddr(), nil},
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{c2.LocalAddr(), &UnixAddr{Name: laddr, Net: "unixgram"}},
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{c2.RemoteAddr(), ta},
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}
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for _, ca := range connAddrs {
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if !reflect.DeepEqual(ca.got, ca.want) {
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t.Fatalf("got %#v, expected %#v", ca.got, ca.want)
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}
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}
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}
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}
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