1 // Copyright 2012 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.
15 func BenchmarkTCP4OneShot(b *testing.B) {
16 benchmarkTCP(b, false, false, "127.0.0.1:0")
19 func BenchmarkTCP4OneShotTimeout(b *testing.B) {
20 benchmarkTCP(b, false, true, "127.0.0.1:0")
23 func BenchmarkTCP4Persistent(b *testing.B) {
24 benchmarkTCP(b, true, false, "127.0.0.1:0")
27 func BenchmarkTCP4PersistentTimeout(b *testing.B) {
28 benchmarkTCP(b, true, true, "127.0.0.1:0")
31 func BenchmarkTCP6OneShot(b *testing.B) {
33 b.Skip("ipv6 is not supported")
35 benchmarkTCP(b, false, false, "[::1]:0")
38 func BenchmarkTCP6OneShotTimeout(b *testing.B) {
40 b.Skip("ipv6 is not supported")
42 benchmarkTCP(b, false, true, "[::1]:0")
45 func BenchmarkTCP6Persistent(b *testing.B) {
47 b.Skip("ipv6 is not supported")
49 benchmarkTCP(b, true, false, "[::1]:0")
52 func BenchmarkTCP6PersistentTimeout(b *testing.B) {
54 b.Skip("ipv6 is not supported")
56 benchmarkTCP(b, true, true, "[::1]:0")
59 func benchmarkTCP(b *testing.B, persistent, timeout bool, laddr string) {
62 numConcurrent := runtime.GOMAXPROCS(-1) * 16
74 sendMsg := func(c Conn, buf []byte) bool {
75 n, err := c.Write(buf)
76 if n != len(buf) || err != nil {
77 b.Logf("Write failed: %v", err)
82 recvMsg := func(c Conn, buf []byte) bool {
83 for read := 0; read != len(buf); {
87 b.Logf("Read failed: %v", err)
93 ln, err := Listen("tcp", laddr)
95 b.Fatalf("Listen failed: %v", err)
101 c, err := ln.Accept()
105 // Server connection.
109 c.SetDeadline(time.Now().Add(time.Hour)) // Not intended to fire.
112 for m := 0; m < msgs; m++ {
113 if !recvMsg(c, buf[:]) || !sendMsg(c, buf[:]) {
120 sem := make(chan bool, numConcurrent)
121 for i := 0; i < conns; i++ {
123 // Client connection.
128 c, err := Dial("tcp", ln.Addr().String())
130 b.Logf("Dial failed: %v", err)
135 c.SetDeadline(time.Now().Add(time.Hour)) // Not intended to fire.
138 for m := 0; m < msgs; m++ {
139 if !sendMsg(c, buf[:]) || !recvMsg(c, buf[:]) {
145 for i := 0; i < cap(sem); i++ {
150 type resolveTCPAddrTest struct {
157 var resolveTCPAddrTests = []resolveTCPAddrTest{
158 {"tcp", "127.0.0.1:0", &TCPAddr{IP: IPv4(127, 0, 0, 1), Port: 0}, nil},
159 {"tcp4", "127.0.0.1:65535", &TCPAddr{IP: IPv4(127, 0, 0, 1), Port: 65535}, nil},
161 {"tcp", "[::1]:1", &TCPAddr{IP: ParseIP("::1"), Port: 1}, nil},
162 {"tcp6", "[::1]:65534", &TCPAddr{IP: ParseIP("::1"), Port: 65534}, nil},
164 {"tcp", "[::1%en0]:1", &TCPAddr{IP: ParseIP("::1"), Port: 1, Zone: "en0"}, nil},
165 {"tcp6", "[::1%911]:2", &TCPAddr{IP: ParseIP("::1"), Port: 2, Zone: "911"}, nil},
167 {"", "127.0.0.1:0", &TCPAddr{IP: IPv4(127, 0, 0, 1), Port: 0}, nil}, // Go 1.0 behavior
168 {"", "[::1]:0", &TCPAddr{IP: ParseIP("::1"), Port: 0}, nil}, // Go 1.0 behavior
170 {"http", "127.0.0.1:0", nil, UnknownNetworkError("http")},
174 if ifi := loopbackInterface(); ifi != nil {
175 index := fmt.Sprintf("%v", ifi.Index)
176 resolveTCPAddrTests = append(resolveTCPAddrTests, []resolveTCPAddrTest{
177 {"tcp6", "[fe80::1%" + ifi.Name + "]:3", &TCPAddr{IP: ParseIP("fe80::1"), Port: 3, Zone: zoneToString(ifi.Index)}, nil},
178 {"tcp6", "[fe80::1%" + index + "]:4", &TCPAddr{IP: ParseIP("fe80::1"), Port: 4, Zone: index}, nil},
183 func TestResolveTCPAddr(t *testing.T) {
184 for _, tt := range resolveTCPAddrTests {
185 addr, err := ResolveTCPAddr(tt.net, tt.litAddr)
187 t.Fatalf("ResolveTCPAddr(%v, %v) failed: %v", tt.net, tt.litAddr, err)
189 if !reflect.DeepEqual(addr, tt.addr) {
190 t.Fatalf("got %#v; expected %#v", addr, tt.addr)
195 var tcpListenerNameTests = []struct {
199 {"tcp4", &TCPAddr{IP: IPv4(127, 0, 0, 1)}},
200 {"tcp4", &TCPAddr{}},
204 func TestTCPListenerName(t *testing.T) {
205 if testing.Short() || !*testExternal {
206 t.Skip("skipping test to avoid external network")
209 for _, tt := range tcpListenerNameTests {
210 ln, err := ListenTCP(tt.net, tt.laddr)
212 t.Fatalf("ListenTCP failed: %v", err)
216 if a, ok := la.(*TCPAddr); !ok || a.Port == 0 {
217 t.Fatalf("got %v; expected a proper address with non-zero port number", la)
222 func TestIPv6LinkLocalUnicastTCP(t *testing.T) {
223 if testing.Short() || !*testExternal {
224 t.Skip("skipping test to avoid external network")
227 t.Skip("ipv6 is not supported")
229 ifi := loopbackInterface()
231 t.Skip("loopback interface not found")
233 laddr := ipv6LinkLocalUnicastAddr(ifi)
235 t.Skip("ipv6 unicast address on loopback not found")
243 {"tcp", "[" + laddr + "%" + ifi.Name + "]:0", false},
244 {"tcp6", "[" + laddr + "%" + ifi.Name + "]:0", false},
246 switch runtime.GOOS {
247 case "darwin", "freebsd", "opensbd", "netbsd":
248 tests = append(tests, []test{
249 {"tcp", "[localhost%" + ifi.Name + "]:0", true},
250 {"tcp6", "[localhost%" + ifi.Name + "]:0", true},
253 tests = append(tests, []test{
254 {"tcp", "[ip6-localhost%" + ifi.Name + "]:0", true},
255 {"tcp6", "[ip6-localhost%" + ifi.Name + "]:0", true},
258 for _, tt := range tests {
259 ln, err := Listen(tt.net, tt.addr)
261 // It might return "LookupHost returned no
262 // suitable address" error on some platforms.
263 t.Logf("Listen failed: %v", err)
267 if la, ok := ln.Addr().(*TCPAddr); !ok || !tt.nameLookup && la.Zone == "" {
268 t.Fatalf("got %v; expected a proper address with zone identifier", la)
271 done := make(chan int)
272 go transponder(t, ln, done)
274 c, err := Dial(tt.net, ln.Addr().String())
276 t.Fatalf("Dial failed: %v", err)
279 if la, ok := c.LocalAddr().(*TCPAddr); !ok || !tt.nameLookup && la.Zone == "" {
280 t.Fatalf("got %v; expected a proper address with zone identifier", la)
282 if ra, ok := c.RemoteAddr().(*TCPAddr); !ok || !tt.nameLookup && ra.Zone == "" {
283 t.Fatalf("got %v; expected a proper address with zone identifier", ra)
286 if _, err := c.Write([]byte("TCP OVER IPV6 LINKLOCAL TEST")); err != nil {
287 t.Fatalf("Conn.Write failed: %v", err)
289 b := make([]byte, 32)
290 if _, err := c.Read(b); err != nil {
291 t.Fatalf("Conn.Read failed: %v", err)