1 // Copyright 2017 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
6 // +build darwin dragonfly freebsd linux netbsd openbsd solaris
17 "golang.org/x/net/internal/nettest"
18 "golang.org/x/net/internal/socket"
21 type mockControl struct {
27 func TestControlMessage(t *testing.T) {
28 for _, tt := range []struct {
38 {Level: 2, Type: 2, Data: []byte{0xfe}},
43 {Level: 3, Type: 3, Data: []byte{0xfe, 0xff, 0xff, 0xfe}},
48 {Level: 4, Type: 4, Data: []byte{0xfe, 0xff, 0xff, 0xfe, 0xfe, 0xff, 0xff, 0xfe}},
53 {Level: 4, Type: 4, Data: []byte{0xfe, 0xff, 0xff, 0xfe, 0xfe, 0xff, 0xff, 0xfe}},
54 {Level: 2, Type: 2, Data: []byte{0xfe}},
60 mm := socket.NewControlMessage([]int{0})
61 for i, c := range tt.cs {
62 m := socket.NewControlMessage([]int{len(c.Data)})
64 if i == len(tt.cs)-1 && l > len(c.Data) {
65 tailPadLen = l - len(c.Data)
71 ww := make([]byte, len(w))
73 m := socket.ControlMessage(ww)
74 for _, c := range tt.cs {
75 if err = m.MarshalHeader(c.Level, c.Type, len(c.Data)); err != nil {
76 t.Fatalf("(%v).MarshalHeader() = %v", tt.cs, err)
78 copy(m.Data(len(c.Data)), c.Data)
79 m = m.Next(len(c.Data))
81 m = socket.ControlMessage(w)
82 for _, c := range tt.cs {
83 m, err = m.Marshal(c.Level, c.Type, c.Data)
85 t.Fatalf("(%v).Marshal() = %v", tt.cs, err)
88 if !bytes.Equal(ww, w) {
89 t.Fatalf("got %#v; want %#v", ww, w)
94 // Test a message with no tail padding.
95 nopad := w[:len(w)-tailPadLen]
96 ws = append(ws, [][]byte{nopad}...)
98 for _, w := range ws {
99 ms, err := socket.ControlMessage(w).Parse()
101 t.Fatalf("(%v).Parse() = %v", tt.cs, err)
103 for i, m := range ms {
104 lvl, typ, dataLen, err := m.ParseHeader()
106 t.Fatalf("(%v).ParseHeader() = %v", tt.cs, err)
108 if lvl != tt.cs[i].Level || typ != tt.cs[i].Type || dataLen != len(tt.cs[i].Data) {
109 t.Fatalf("%v: got %d, %d, %d; want %d, %d, %d", tt.cs[i], lvl, typ, dataLen, tt.cs[i].Level, tt.cs[i].Type, len(tt.cs[i].Data))
116 func TestUDP(t *testing.T) {
117 c, err := nettest.NewLocalPacketListener("udp")
119 t.Skipf("not supported on %s/%s: %v", runtime.GOOS, runtime.GOARCH, err)
123 t.Run("Message", func(t *testing.T) {
124 testUDPMessage(t, c.(net.Conn))
126 switch runtime.GOOS {
128 t.Run("Messages", func(t *testing.T) {
129 testUDPMessages(t, c.(net.Conn))
134 func testUDPMessage(t *testing.T, c net.Conn) {
135 cc, err := socket.NewConn(c)
139 data := []byte("HELLO-R-U-THERE")
140 wm := socket.Message{
141 Buffers: bytes.SplitAfter(data, []byte("-")),
144 if err := cc.SendMsg(&wm, 0); err != nil {
147 b := make([]byte, 32)
148 rm := socket.Message{
149 Buffers: [][]byte{b[:1], b[1:3], b[3:7], b[7:11], b[11:]},
151 if err := cc.RecvMsg(&rm, 0); err != nil {
154 if !bytes.Equal(b[:rm.N], data) {
155 t.Fatalf("got %#v; want %#v", b[:rm.N], data)
159 func testUDPMessages(t *testing.T, c net.Conn) {
160 cc, err := socket.NewConn(c)
164 data := []byte("HELLO-R-U-THERE")
165 wmbs := bytes.SplitAfter(data, []byte("-"))
166 wms := []socket.Message{
167 {Buffers: wmbs[:1], Addr: c.LocalAddr()},
168 {Buffers: wmbs[1:], Addr: c.LocalAddr()},
170 n, err := cc.SendMsgs(wms, 0)
175 t.Fatalf("got %d; want %d", n, len(wms))
177 b := make([]byte, 32)
178 rmbs := [][][]byte{{b[:len(wmbs[0])]}, {b[len(wmbs[0]):]}}
179 rms := []socket.Message{
183 n, err = cc.RecvMsgs(rms, 0)
188 t.Fatalf("got %d; want %d", n, len(rms))
191 for i := 0; i < n; i++ {
194 if !bytes.Equal(b[:nn], data) {
195 t.Fatalf("got %#v; want %#v", b[:nn], data)
199 func BenchmarkUDP(b *testing.B) {
200 c, err := nettest.NewLocalPacketListener("udp")
202 b.Skipf("not supported on %s/%s: %v", runtime.GOOS, runtime.GOARCH, err)
205 cc, err := socket.NewConn(c.(net.Conn))
209 data := []byte("HELLO-R-U-THERE")
210 wm := socket.Message{
211 Buffers: [][]byte{data},
214 rm := socket.Message{
215 Buffers: [][]byte{make([]byte, 128)},
216 OOB: make([]byte, 128),
219 for M := 1; M <= 1<<9; M = M << 1 {
220 b.Run(fmt.Sprintf("Iter-%d", M), func(b *testing.B) {
221 for i := 0; i < b.N; i++ {
222 for j := 0; j < M; j++ {
223 if err := cc.SendMsg(&wm, 0); err != nil {
226 if err := cc.RecvMsg(&rm, 0); err != nil {
232 switch runtime.GOOS {
234 wms := make([]socket.Message, M)
236 wms[i].Buffers = [][]byte{data}
237 wms[i].Addr = c.LocalAddr()
239 rms := make([]socket.Message, M)
241 rms[i].Buffers = [][]byte{make([]byte, 128)}
242 rms[i].OOB = make([]byte, 128)
244 b.Run(fmt.Sprintf("Batch-%d", M), func(b *testing.B) {
245 for i := 0; i < b.N; i++ {
246 if _, err := cc.SendMsgs(wms, 0); err != nil {
249 if _, err := cc.RecvMsgs(rms, 0); err != nil {