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Commit ed01f4be authored by Mikio Hara's avatar Mikio Hara
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net: add unixgram dial test 

Also replaces testing.Errof with testing.Fatalf, make use of ICMP mock.

R=golang-dev, dave
CC=golang-dev
https://golang.org/cl/7308058
parent 13393fb6
Show whitespace changes
Inline Side-by-side
Showing with 151 additions and 184 deletions
src/pkg/net/conn_test.go
View file @ ed01f4be
......@@ -19,8 +19,8 @@ var connTests = []struct {
addr string
}{
{"tcp", "127.0.0.1:0"},
{"unix", "/tmp/gotest.net1"},
{"unixpacket", "/tmp/gotest.net2"},
{"unix", testUnixAddr()},
{"unixpacket", testUnixAddr()},
}
func TestConnAndListener(t *testing.T) {
......@@ -34,15 +34,12 @@ func TestConnAndListener(t *testing.T) {
if tt.net == "unixpacket" && runtime.GOOS != "linux" {
continue
}
os.Remove(tt.addr)
}
ln, err := Listen(tt.net, tt.addr)
if err != nil {
t.Errorf("net.Listen failed: %v", err)
return
t.Fatalf("Listen failed: %v", err)
}
ln.Addr()
defer func(ln Listener, net, addr string) {
ln.Close()
switch net {
......@@ -50,29 +47,28 @@ func TestConnAndListener(t *testing.T) {
os.Remove(addr)
}
}(ln, tt.net, tt.addr)
ln.Addr()
done := make(chan int)
go transponder(t, ln, done)
c, err := Dial(tt.net, ln.Addr().String())
if err != nil {
t.Errorf("net.Dial failed: %v", err)
return
t.Fatalf("Dial failed: %v", err)
}
defer c.Close()
c.LocalAddr()
c.RemoteAddr()
c.SetDeadline(time.Now().Add(100 * time.Millisecond))
c.SetReadDeadline(time.Now().Add(100 * time.Millisecond))
c.SetWriteDeadline(time.Now().Add(100 * time.Millisecond))
defer c.Close()
if _, err := c.Write([]byte("CONN TEST")); err != nil {
t.Errorf("net.Conn.Write failed: %v", err)
return
t.Fatalf("Conn.Write failed: %v", err)
}
rb := make([]byte, 128)
if _, err := c.Read(rb); err != nil {
t.Errorf("net.Conn.Read failed: %v", err)
t.Fatalf("Conn.Read failed: %v", err)
}
<-done
......@@ -82,26 +78,32 @@ func TestConnAndListener(t *testing.T) {
func transponder(t *testing.T, ln Listener, done chan<- int) {
defer func() { done <- 1 }()
switch ln := ln.(type) {
case *TCPListener:
ln.SetDeadline(time.Now().Add(100 * time.Millisecond))
case *UnixListener:
ln.SetDeadline(time.Now().Add(100 * time.Millisecond))
}
c, err := ln.Accept()
if err != nil {
t.Errorf("net.Listener.Accept failed: %v", err)
t.Errorf("Listener.Accept failed: %v", err)
return
}
defer c.Close()
c.LocalAddr()
c.RemoteAddr()
c.SetDeadline(time.Now().Add(100 * time.Millisecond))
c.SetReadDeadline(time.Now().Add(100 * time.Millisecond))
c.SetWriteDeadline(time.Now().Add(100 * time.Millisecond))
defer c.Close()
b := make([]byte, 128)
n, err := c.Read(b)
if err != nil {
t.Errorf("net.Conn.Read failed: %v", err)
t.Errorf("Conn.Read failed: %v", err)
return
}
if _, err := c.Write(b[:n]); err != nil {
t.Errorf("net.Conn.Write failed: %v", err)
t.Errorf("Conn.Write failed: %v", err)
return
}
}
src/pkg/net/packetconn_test.go
View file @ ed01f4be
......@@ -22,7 +22,7 @@ var packetConnTests = []struct {
}{
{"udp", "127.0.0.1:0", "127.0.0.1:0"},
{"ip:icmp", "127.0.0.1", "127.0.0.1"},
{"unixgram", "/tmp/gotest.net1", "/tmp/gotest.net2"},
{"unixgram", testUnixAddr(), testUnixAddr()},
}
func TestPacketConn(t *testing.T) {
......@@ -35,7 +35,7 @@ func TestPacketConn(t *testing.T) {
}
}
for _, tt := range packetConnTests {
for i, tt := range packetConnTests {
var wb []byte
netstr := strings.Split(tt.net, ":")
switch netstr[0] {
......@@ -49,15 +49,22 @@ func TestPacketConn(t *testing.T) {
if os.Getuid() != 0 {
continue
}
id := os.Getpid() & 0xffff
wb = newICMPEchoRequest(id, 1, 128, []byte("IP PACKETCONN TEST"))
var err error
wb, err = (&icmpMessage{
Type: icmpv4EchoRequest, Code: 0,
Body: &icmpEcho{
ID: os.Getpid() & 0xffff, Seq: i + 1,
Data: []byte("IP PACKETCONN TEST"),
},
}).Marshal()
if err != nil {
t.Fatalf("icmpMessage.Marshal failed: %v", err)
}
case "unixgram":
switch runtime.GOOS {
case "plan9", "windows":
continue
}
os.Remove(tt.addr1)
os.Remove(tt.addr2)
wb = []byte("UNIXGRAM PACKETCONN TEST")
default:
continue
......@@ -65,43 +72,52 @@ func TestPacketConn(t *testing.T) {
c1, err := ListenPacket(tt.net, tt.addr1)
if err != nil {
t.Fatalf("net.ListenPacket failed: %v", err)
t.Fatalf("ListenPacket failed: %v", err)
}
defer closer(c1, netstr[0], tt.addr1, tt.addr2)
c1.LocalAddr()
c1.SetDeadline(time.Now().Add(100 * time.Millisecond))
c1.SetReadDeadline(time.Now().Add(100 * time.Millisecond))
c1.SetWriteDeadline(time.Now().Add(100 * time.Millisecond))
defer closer(c1, netstr[0], tt.addr1, tt.addr2)
c2, err := ListenPacket(tt.net, tt.addr2)
if err != nil {
t.Fatalf("net.ListenPacket failed: %v", err)
t.Fatalf("ListenPacket failed: %v", err)
}
defer closer(c2, netstr[0], tt.addr1, tt.addr2)
c2.LocalAddr()
c2.SetDeadline(time.Now().Add(100 * time.Millisecond))
c2.SetReadDeadline(time.Now().Add(100 * time.Millisecond))
c2.SetWriteDeadline(time.Now().Add(100 * time.Millisecond))
defer closer(c2, netstr[0], tt.addr1, tt.addr2)
if _, err := c1.WriteTo(wb, c2.LocalAddr()); err != nil {
t.Fatalf("net.PacketConn.WriteTo failed: %v", err)
t.Fatalf("PacketConn.WriteTo failed: %v", err)
}
rb2 := make([]byte, 128)
if _, _, err := c2.ReadFrom(rb2); err != nil {
t.Fatalf("net.PacketConn.ReadFrom failed: %v", err)
t.Fatalf("PacketConn.ReadFrom failed: %v", err)
}
if _, err := c2.WriteTo(wb, c1.LocalAddr()); err != nil {
t.Fatalf("net.PacketConn.WriteTo failed: %v", err)
t.Fatalf("PacketConn.WriteTo failed: %v", err)
}
rb1 := make([]byte, 128)
if _, _, err := c1.ReadFrom(rb1); err != nil {
t.Fatalf("net.PacketConn.ReadFrom failed: %v", err)
t.Fatalf("PacketConn.ReadFrom failed: %v", err)
}
}
}
func TestConnAndPacketConn(t *testing.T) {
for _, tt := range packetConnTests {
closer := func(c PacketConn, net, addr1, addr2 string) {
c.Close()
switch net {
case "unixgram":
os.Remove(addr1)
os.Remove(addr2)
}
}
for i, tt := range packetConnTests {
var wb []byte
netstr := strings.Split(tt.net, ":")
switch netstr[0] {
......@@ -115,52 +131,66 @@ func TestConnAndPacketConn(t *testing.T) {
if os.Getuid() != 0 {
continue
}
id := os.Getpid() & 0xffff
wb = newICMPEchoRequest(id, 1, 128, []byte("IP PACKETCONN TEST"))
var err error
wb, err = (&icmpMessage{
Type: icmpv4EchoRequest, Code: 0,
Body: &icmpEcho{
ID: os.Getpid() & 0xffff, Seq: i + 1,
Data: []byte("IP PACKETCONN TEST"),
},
}).Marshal()
if err != nil {
t.Fatalf("icmpMessage.Marshal failed: %v", err)
}
case "unixgram":
wb = []byte("UNIXGRAM PACKETCONN TEST")
default:
continue
}
c1, err := ListenPacket(tt.net, tt.addr1)
if err != nil {
t.Fatalf("net.ListenPacket failed: %v", err)
t.Fatalf("ListenPacket failed: %v", err)
}
defer closer(c1, netstr[0], tt.addr1, tt.addr2)
c1.LocalAddr()
c1.SetDeadline(time.Now().Add(100 * time.Millisecond))
c1.SetReadDeadline(time.Now().Add(100 * time.Millisecond))
c1.SetWriteDeadline(time.Now().Add(100 * time.Millisecond))
defer c1.Close()
c2, err := Dial(tt.net, c1.LocalAddr().String())
if err != nil {
t.Fatalf("net.Dial failed: %v", err)
t.Fatalf("Dial failed: %v", err)
}
defer c2.Close()
c2.LocalAddr()
c2.RemoteAddr()
c2.SetDeadline(time.Now().Add(100 * time.Millisecond))
c2.SetReadDeadline(time.Now().Add(100 * time.Millisecond))
c2.SetWriteDeadline(time.Now().Add(100 * time.Millisecond))
defer c2.Close()
if _, err := c2.Write(wb); err != nil {
t.Fatalf("net.Conn.Write failed: %v", err)
t.Fatalf("Conn.Write failed: %v", err)
}
rb1 := make([]byte, 128)
if _, _, err := c1.ReadFrom(rb1); err != nil {
t.Fatalf("net.PacetConn.ReadFrom failed: %v", err)
t.Fatalf("PacetConn.ReadFrom failed: %v", err)
}
var dst Addr
if netstr[0] == "ip" {
switch netstr[0] {
case "ip":
dst = &IPAddr{IP: IPv4(127, 0, 0, 1)}
} else {
case "unixgram":
continue
default:
dst = c2.LocalAddr()
}
if _, err := c1.WriteTo(wb, dst); err != nil {
t.Fatalf("net.PacketConn.WriteTo failed: %v", err)
t.Fatalf("PacketConn.WriteTo failed: %v", err)
}
rb2 := make([]byte, 128)
if _, err := c2.Read(rb2); err != nil {
t.Fatalf("net.Conn.Read failed: %v", err)
t.Fatalf("Conn.Read failed: %v", err)
}
}
}
src/pkg/net/protoconn_test.go
View file @ ed01f4be
......@@ -8,20 +8,19 @@
package net
import (
"bytes"
"os"
"runtime"
"testing"
"time"
)
var condErrorf = func() func(*testing.T, string, ...interface{}) {
var condFatalf = func() func(*testing.T, string, ...interface{}) {
// A few APIs are not implemented yet on both Plan 9 and Windows.
switch runtime.GOOS {
case "plan9", "windows":
return (*testing.T).Logf
}
return (*testing.T).Errorf
return (*testing.T).Fatalf
}()
func TestTCPListenerSpecificMethods(t *testing.T) {
......@@ -32,36 +31,33 @@ func TestTCPListenerSpecificMethods(t *testing.T) {
la, err := ResolveTCPAddr("tcp4", "127.0.0.1:0")
if err != nil {
t.Fatalf("net.ResolveTCPAddr failed: %v", err)
t.Fatalf("ResolveTCPAddr failed: %v", err)
}
ln, err := ListenTCP("tcp4", la)
if err != nil {
t.Fatalf("net.ListenTCP failed: %v", err)
t.Fatalf("ListenTCP failed: %v", err)
}
defer ln.Close()
ln.Addr()
ln.SetDeadline(time.Now().Add(30 * time.Nanosecond))
defer ln.Close()
if c, err := ln.Accept(); err != nil {
if !err.(Error).Timeout() {
t.Errorf("net.TCPListener.Accept failed: %v", err)
return
t.Fatalf("TCPListener.Accept failed: %v", err)
}
} else {
c.Close()
}
if c, err := ln.AcceptTCP(); err != nil {
if !err.(Error).Timeout() {
t.Errorf("net.TCPListener.AcceptTCP failed: %v", err)
return
t.Fatalf("TCPListener.AcceptTCP failed: %v", err)
}
} else {
c.Close()
}
if f, err := ln.File(); err != nil {
condErrorf(t, "net.TCPListener.File failed: %v", err)
return
condFatalf(t, "TCPListener.File failed: %v", err)
} else {
f.Close()
}
......@@ -70,28 +66,27 @@ func TestTCPListenerSpecificMethods(t *testing.T) {
func TestTCPConnSpecificMethods(t *testing.T) {
la, err := ResolveTCPAddr("tcp4", "127.0.0.1:0")
if err != nil {
t.Fatalf("net.ResolveTCPAddr failed: %v", err)
t.Fatalf("ResolveTCPAddr failed: %v", err)
}
ln, err := ListenTCP("tcp4", la)
if err != nil {
t.Fatalf("net.ListenTCP failed: %v", err)
t.Fatalf("ListenTCP failed: %v", err)
}
ln.Addr()
defer ln.Close()
ln.Addr()
done := make(chan int)
go transponder(t, ln, done)
ra, err := ResolveTCPAddr("tcp4", ln.Addr().String())
if err != nil {
t.Errorf("net.ResolveTCPAddr failed: %v", err)
return
t.Fatalf("ResolveTCPAddr failed: %v", err)
}
c, err := DialTCP("tcp4", nil, ra)
if err != nil {
t.Errorf("net.DialTCP failed: %v", err)
return
t.Fatalf("DialTCP failed: %v", err)
}
defer c.Close()
c.SetKeepAlive(false)
c.SetLinger(0)
c.SetNoDelay(false)
......@@ -100,16 +95,13 @@ func TestTCPConnSpecificMethods(t *testing.T) {
c.SetDeadline(time.Now().Add(100 * time.Millisecond))
c.SetReadDeadline(time.Now().Add(100 * time.Millisecond))
c.SetWriteDeadline(time.Now().Add(100 * time.Millisecond))
defer c.Close()
if _, err := c.Write([]byte("TCPCONN TEST")); err != nil {
t.Errorf("net.TCPConn.Write failed: %v", err)
return
t.Fatalf("TCPConn.Write failed: %v", err)
}
rb := make([]byte, 128)
if _, err := c.Read(rb); err != nil {
t.Errorf("net.TCPConn.Read failed: %v", err)
return
t.Fatalf("TCPConn.Read failed: %v", err)
}
<-done
......@@ -118,12 +110,13 @@ func TestTCPConnSpecificMethods(t *testing.T) {
func TestUDPConnSpecificMethods(t *testing.T) {
la, err := ResolveUDPAddr("udp4", "127.0.0.1:0")
if err != nil {
t.Fatalf("net.ResolveUDPAddr failed: %v", err)
t.Fatalf("ResolveUDPAddr failed: %v", err)
}
c, err := ListenUDP("udp4", la)
if err != nil {
t.Fatalf("net.ListenUDP failed: %v", err)
t.Fatalf("ListenUDP failed: %v", err)
}
defer c.Close()
c.LocalAddr()
c.RemoteAddr()
c.SetDeadline(time.Now().Add(100 * time.Millisecond))
......@@ -131,30 +124,24 @@ func TestUDPConnSpecificMethods(t *testing.T) {
c.SetWriteDeadline(time.Now().Add(100 * time.Millisecond))
c.SetReadBuffer(2048)
c.SetWriteBuffer(2048)
defer c.Close()
wb := []byte("UDPCONN TEST")
rb := make([]byte, 128)
if _, err := c.WriteToUDP(wb, c.LocalAddr().(*UDPAddr)); err != nil {
t.Errorf("net.UDPConn.WriteToUDP failed: %v", err)
return
t.Fatalf("UDPConn.WriteToUDP failed: %v", err)
}
if _, _, err := c.ReadFromUDP(rb); err != nil {
t.Errorf("net.UDPConn.ReadFromUDP failed: %v", err)
return
t.Fatalf("UDPConn.ReadFromUDP failed: %v", err)
}
if _, _, err := c.WriteMsgUDP(wb, nil, c.LocalAddr().(*UDPAddr)); err != nil {
condErrorf(t, "net.UDPConn.WriteMsgUDP failed: %v", err)
return
condFatalf(t, "UDPConn.WriteMsgUDP failed: %v", err)
}
if _, _, _, _, err := c.ReadMsgUDP(rb, nil); err != nil {
condErrorf(t, "net.UDPConn.ReadMsgUDP failed: %v", err)
return
condFatalf(t, "UDPConn.ReadMsgUDP failed: %v", err)
}
if f, err := c.File(); err != nil {
condErrorf(t, "net.UDPConn.File failed: %v", err)
return
condFatalf(t, "UDPConn.File failed: %v", err)
} else {
f.Close()
}
......@@ -171,12 +158,13 @@ func TestIPConnSpecificMethods(t *testing.T) {
la, err := ResolveIPAddr("ip4", "127.0.0.1")
if err != nil {
t.Fatalf("net.ResolveIPAddr failed: %v", err)
t.Fatalf("ResolveIPAddr failed: %v", err)
}
c, err := ListenIP("ip4:icmp", la)
if err != nil {
t.Fatalf("net.ListenIP failed: %v", err)
t.Fatalf("ListenIP failed: %v", err)
}
defer c.Close()
c.LocalAddr()
c.RemoteAddr()
c.SetDeadline(time.Now().Add(100 * time.Millisecond))
......@@ -184,31 +172,33 @@ func TestIPConnSpecificMethods(t *testing.T) {
c.SetWriteDeadline(time.Now().Add(100 * time.Millisecond))
c.SetReadBuffer(2048)
c.SetWriteBuffer(2048)
defer c.Close()
id := os.Getpid() & 0xffff
wb := newICMPEchoRequest(id, 1, 128, []byte("IPCONN TEST "))
wb, err := (&icmpMessage{
Type: icmpv4EchoRequest, Code: 0,
Body: &icmpEcho{
ID: os.Getpid() & 0xffff, Seq: 1,
Data: []byte("IPCONN TEST "),
},
}).Marshal()
if err != nil {
t.Fatalf("icmpMessage.Marshal failed: %v", err)
}
rb := make([]byte, 20+128)
if _, err := c.WriteToIP(wb, c.LocalAddr().(*IPAddr)); err != nil {
t.Errorf("net.IPConn.WriteToIP failed: %v", err)
return
t.Fatalf("IPConn.WriteToIP failed: %v", err)
}
if _, _, err := c.ReadFromIP(rb); err != nil {
t.Errorf("net.IPConn.ReadFromIP failed: %v", err)
return
t.Fatalf("IPConn.ReadFromIP failed: %v", err)
}
if _, _, err := c.WriteMsgIP(wb, nil, c.LocalAddr().(*IPAddr)); err != nil {
condErrorf(t, "net.UDPConn.WriteMsgIP failed: %v", err)
return
condFatalf(t, "IPConn.WriteMsgIP failed: %v", err)
}
if _, _, _, _, err := c.ReadMsgIP(rb, nil); err != nil {
condErrorf(t, "net.UDPConn.ReadMsgIP failed: %v", err)
return
condFatalf(t, "IPConn.ReadMsgIP failed: %v", err)
}
if f, err := c.File(); err != nil {
condErrorf(t, "net.IPConn.File failed: %v", err)
return
condFatalf(t, "IPConn.File failed: %v", err)
} else {
f.Close()
}
......@@ -220,41 +210,37 @@ func TestUnixListenerSpecificMethods(t *testing.T) {
t.Skipf("skipping read test on %q", runtime.GOOS)
}
p := "/tmp/gotest.net"
os.Remove(p)
la, err := ResolveUnixAddr("unix", p)
addr := testUnixAddr()
la, err := ResolveUnixAddr("unix", addr)
if err != nil {
t.Fatalf("net.ResolveUnixAddr failed: %v", err)
t.Fatalf("ResolveUnixAddr failed: %v", err)
}
ln, err := ListenUnix("unix", la)
if err != nil {
t.Fatalf("net.ListenUnix failed: %v", err)
t.Fatalf("ListenUnix failed: %v", err)
}
defer ln.Close()
defer os.Remove(addr)
ln.Addr()
ln.SetDeadline(time.Now().Add(30 * time.Nanosecond))
defer ln.Close()
defer os.Remove(p)
if c, err := ln.Accept(); err != nil {
if !err.(Error).Timeout() {
t.Errorf("net.TCPListener.AcceptTCP failed: %v", err)
return
t.Fatalf("UnixListener.Accept failed: %v", err)
}
} else {
c.Close()
}
if c, err := ln.AcceptUnix(); err != nil {
if !err.(Error).Timeout() {
t.Errorf("net.TCPListener.AcceptTCP failed: %v", err)
return
t.Fatalf("UnixListener.AcceptUnix failed: %v", err)
}
} else {
c.Close()
}
if f, err := ln.File(); err != nil {
t.Errorf("net.UnixListener.File failed: %v", err)
return
t.Fatalf("UnixListener.File failed: %v", err)
} else {
f.Close()
}
......@@ -266,19 +252,18 @@ func TestUnixConnSpecificMethods(t *testing.T) {
t.Skipf("skipping test on %q", runtime.GOOS)
}
p1, p2, p3 := "/tmp/gotest.net1", "/tmp/gotest.net2", "/tmp/gotest.net3"
os.Remove(p1)
os.Remove(p2)
os.Remove(p3)
addr1, addr2, addr3 := testUnixAddr(), testUnixAddr(), testUnixAddr()
a1, err := ResolveUnixAddr("unixgram", p1)
a1, err := ResolveUnixAddr("unixgram", addr1)
if err != nil {
t.Fatalf("net.ResolveUnixAddr failed: %v", err)
t.Fatalf("ResolveUnixAddr failed: %v", err)
}
c1, err := DialUnix("unixgram", a1, nil)
if err != nil {
t.Fatalf("net.DialUnix failed: %v", err)
t.Fatalf("DialUnix failed: %v", err)
}
defer c1.Close()
defer os.Remove(addr1)
c1.LocalAddr()
c1.RemoteAddr()
c1.SetDeadline(time.Now().Add(100 * time.Millisecond))
......@@ -286,19 +271,17 @@ func TestUnixConnSpecificMethods(t *testing.T) {
c1.SetWriteDeadline(time.Now().Add(100 * time.Millisecond))
c1.SetReadBuffer(2048)
c1.SetWriteBuffer(2048)
defer c1.Close()
defer os.Remove(p1)
a2, err := ResolveUnixAddr("unixgram", p2)
a2, err := ResolveUnixAddr("unixgram", addr2)
if err != nil {
t.Errorf("net.ResolveUnixAddr failed: %v", err)
return
t.Fatalf("ResolveUnixAddr failed: %v", err)
}
c2, err := DialUnix("unixgram", a2, nil)
if err != nil {
t.Errorf("net.DialUnix failed: %v", err)
return
t.Fatalf("DialUnix failed: %v", err)
}
defer c2.Close()
defer os.Remove(addr2)
c2.LocalAddr()
c2.RemoteAddr()
c2.SetDeadline(time.Now().Add(100 * time.Millisecond))
......@@ -306,19 +289,17 @@ func TestUnixConnSpecificMethods(t *testing.T) {
c2.SetWriteDeadline(time.Now().Add(100 * time.Millisecond))
c2.SetReadBuffer(2048)
c2.SetWriteBuffer(2048)
defer c2.Close()
defer os.Remove(p2)
a3, err := ResolveUnixAddr("unixgram", p3)
a3, err := ResolveUnixAddr("unixgram", addr3)
if err != nil {
t.Errorf("net.ResolveUnixAddr failed: %v", err)
return
t.Fatalf("ResolveUnixAddr failed: %v", err)
}
c3, err := ListenUnixgram("unixgram", a3)
if err != nil {
t.Errorf("net.ListenUnixgram failed: %v", err)
return
t.Fatalf("ListenUnixgram failed: %v", err)
}
defer c3.Close()
defer os.Remove(addr3)
c3.LocalAddr()
c3.RemoteAddr()
c3.SetDeadline(time.Now().Add(100 * time.Millisecond))
......@@ -326,85 +307,39 @@ func TestUnixConnSpecificMethods(t *testing.T) {
c3.SetWriteDeadline(time.Now().Add(100 * time.Millisecond))
c3.SetReadBuffer(2048)
c3.SetWriteBuffer(2048)
defer c3.Close()
defer os.Remove(p3)
wb := []byte("UNIXCONN TEST")
rb1 := make([]byte, 128)
rb2 := make([]byte, 128)
rb3 := make([]byte, 128)
if _, _, err := c1.WriteMsgUnix(wb, nil, a2); err != nil {
t.Errorf("net.UnixConn.WriteMsgUnix failed: %v", err)
return
t.Fatalf("UnixConn.WriteMsgUnix failed: %v", err)
}
if _, _, _, _, err := c2.ReadMsgUnix(rb2, nil); err != nil {
t.Errorf("net.UnixConn.ReadMsgUnix failed: %v", err)
return
t.Fatalf("UnixConn.ReadMsgUnix failed: %v", err)
}
if _, err := c2.WriteToUnix(wb, a1); err != nil {
t.Errorf("net.UnixConn.WriteToUnix failed: %v", err)
return
t.Fatalf("UnixConn.WriteToUnix failed: %v", err)
}
if _, _, err := c1.ReadFromUnix(rb1); err != nil {
t.Errorf("net.UnixConn.ReadFromUnix failed: %v", err)
return
t.Fatalf("UnixConn.ReadFromUnix failed: %v", err)
}
if _, err := c3.WriteToUnix(wb, a1); err != nil {
t.Errorf("net.UnixConn.WriteToUnix failed: %v", err)
return
t.Fatalf("UnixConn.WriteToUnix failed: %v", err)
}
if _, _, err := c1.ReadFromUnix(rb1); err != nil {
t.Errorf("net.UnixConn.ReadFromUnix failed: %v", err)
return
t.Fatalf("UnixConn.ReadFromUnix failed: %v", err)
}
if _, err := c2.WriteToUnix(wb, a3); err != nil {
t.Errorf("net.UnixConn.WriteToUnix failed: %v", err)
return
t.Fatalf("UnixConn.WriteToUnix failed: %v", err)
}
if _, _, err := c3.ReadFromUnix(rb3); err != nil {
t.Errorf("net.UnixConn.ReadFromUnix failed: %v", err)
return
t.Fatalf("UnixConn.ReadFromUnix failed: %v", err)
}
if f, err := c1.File(); err != nil {
t.Errorf("net.UnixConn.File failed: %v", err)
return
t.Fatalf("UnixConn.File failed: %v", err)
} else {
f.Close()
}
}
func newICMPEchoRequest(id, seqnum, msglen int, filler []byte) []byte {
b := newICMPInfoMessage(id, seqnum, msglen, filler)
b[0] = 8
// calculate ICMP checksum
cklen := len(b)
s := uint32(0)
for i := 0; i < cklen-1; i += 2 {
s += uint32(b[i+1])<<8 | uint32(b[i])
}
if cklen&1 == 1 {
s += uint32(b[cklen-1])
}
s = (s >> 16) + (s & 0xffff)
s = s + (s >> 16)
// place checksum back in header; using ^= avoids the
// assumption the checksum bytes are zero
b[2] ^= byte(^s & 0xff)
b[3] ^= byte(^s >> 8)
return b
}
func newICMPInfoMessage(id, seqnum, msglen int, filler []byte) []byte {
b := make([]byte, msglen)
copy(b[8:], bytes.Repeat(filler, (msglen-8)/len(filler)+1))
b[0] = 0 // type
b[1] = 0 // code
b[2] = 0 // checksum
b[3] = 0 // checksum
b[4] = byte(id >> 8) // identifier
b[5] = byte(id & 0xff) // identifier
b[6] = byte(seqnum >> 8) // sequence number
b[7] = byte(seqnum & 0xff) // sequence number
return b
}
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