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Current Path: /opt/golang/1.17.2/src/net

📁 ..
📄 addrselect.go(9.59 KB)
📄 addrselect_test.go(6.28 KB)
📄 cgo_aix.go(603 B)
📄 cgo_android.go(293 B)
📄 cgo_bsd.go(419 B)
📄 cgo_linux.go(672 B)
📄 cgo_netbsd.go(297 B)
📄 cgo_openbsd.go(297 B)
📄 cgo_resnew.go(668 B)
📄 cgo_resold.go(654 B)
📄 cgo_socknew.go(816 B)
📄 cgo_sockold.go(937 B)
📄 cgo_solaris.go(364 B)
📄 cgo_stub.go(1.08 KB)
📄 cgo_unix.go(9.65 KB)
📄 cgo_unix_test.go(2.01 KB)
📄 cgo_windows.go(423 B)
📄 conf.go(8.78 KB)
📄 conf_netcgo.go(387 B)
📄 conf_test.go(9.76 KB)
📄 conn_test.go(1.79 KB)
📄 dial.go(22.72 KB)
📄 dial_test.go(26.02 KB)
📄 dial_unix_test.go(2.83 KB)
📄 dnsclient.go(5.73 KB)
📄 dnsclient_test.go(1.51 KB)
📄 dnsclient_unix.go(22.12 KB)
📄 dnsclient_unix_test.go(54.46 KB)
📄 dnsconfig_unix.go(5.56 KB)
📄 dnsconfig_unix_test.go(6.83 KB)
📄 dnsname_test.go(1.99 KB)
📄 error_plan9.go(224 B)
📄 error_plan9_test.go(398 B)
📄 error_posix.go(700 B)
📄 error_posix_test.go(998 B)
📄 error_test.go(19.59 KB)
📄 error_unix.go(517 B)
📄 error_unix_test.go(702 B)
📄 error_windows.go(355 B)
📄 error_windows_test.go(483 B)
📄 example_test.go(3.88 KB)
📄 external_test.go(4.08 KB)
📄 fcntl_libc_test.go(400 B)
📄 fcntl_syscall_test.go(545 B)
📄 fd_plan9.go(3.56 KB)
📄 fd_posix.go(2.58 KB)
📄 fd_unix.go(5.54 KB)
📄 fd_windows.go(4.62 KB)
📄 file.go(1.69 KB)
📄 file_plan9.go(2.68 KB)
📄 file_stub.go(507 B)
📄 file_test.go(6.55 KB)
📄 file_unix.go(2.6 KB)
📄 file_windows.go(521 B)
📄 hook.go(628 B)
📄 hook_plan9.go(283 B)
📄 hook_unix.go(840 B)
📄 hook_windows.go(875 B)
📄 hosts.go(3.1 KB)
📄 hosts_test.go(4.59 KB)
📁 http
📄 interface.go(7.17 KB)
📄 interface_aix.go(4.41 KB)
📄 interface_bsd.go(2.8 KB)
📄 interface_bsd_test.go(1.48 KB)
📄 interface_bsdvar.go(753 B)
📄 interface_darwin.go(1.29 KB)
📄 interface_freebsd.go(1.42 KB)
📄 interface_linux.go(6.9 KB)
📄 interface_linux_test.go(3.65 KB)
📄 interface_plan9.go(4.68 KB)
📄 interface_solaris.go(2.07 KB)
📄 interface_stub.go(830 B)
📄 interface_test.go(9.68 KB)
📄 interface_unix_test.go(4.79 KB)
📄 interface_windows.go(5.41 KB)
📁 internal
📄 ip.go(17.66 KB)
📄 ip_test.go(25.33 KB)
📄 iprawsock.go(7.08 KB)
📄 iprawsock_plan9.go(874 B)
📄 iprawsock_posix.go(3.56 KB)
📄 iprawsock_test.go(5.63 KB)
📄 ipsock.go(8.97 KB)
📄 ipsock_plan9.go(7.5 KB)
📄 ipsock_plan9_test.go(645 B)
📄 ipsock_posix.go(6.28 KB)
📄 ipsock_test.go(6.81 KB)
📄 listen_test.go(21.34 KB)
📄 lookup.go(21.33 KB)
📄 lookup_fake.go(1.66 KB)
📄 lookup_plan9.go(7.68 KB)
📄 lookup_test.go(31.13 KB)
📄 lookup_unix.go(8.89 KB)
📄 lookup_windows.go(11.72 KB)
📄 lookup_windows_test.go(8.02 KB)
📄 mac.go(1.88 KB)
📄 mac_test.go(3.26 KB)
📁 mail
📄 main_cloexec_test.go(750 B)
📄 main_conf_test.go(952 B)
📄 main_noconf_test.go(537 B)
📄 main_plan9_test.go(392 B)
📄 main_posix_test.go(1.4 KB)
📄 main_test.go(7.13 KB)
📄 main_unix_test.go(1.33 KB)
📄 main_windows_test.go(1.08 KB)
📄 mockserver_test.go(11.39 KB)
📄 net.go(22.37 KB)
📄 net_fake.go(5.37 KB)
📄 net_test.go(13.88 KB)
📄 net_windows_test.go(15.94 KB)
📄 netgo_unix_test.go(741 B)
📄 nss.go(3.8 KB)
📄 nss_test.go(3.42 KB)
📄 packetconn_test.go(3.57 KB)
📄 parse.go(7.33 KB)
📄 parse_test.go(2.14 KB)
📄 pipe.go(5.43 KB)
📄 pipe_test.go(1.2 KB)
📄 platform_test.go(4.57 KB)
📄 port.go(1.46 KB)
📄 port_test.go(1.34 KB)
📄 port_unix.go(1.39 KB)
📄 protoconn_test.go(7.24 KB)
📄 rawconn.go(1.89 KB)
📄 rawconn_stub_test.go(655 B)
📄 rawconn_test.go(4.45 KB)
📄 rawconn_unix_test.go(3.1 KB)
📄 rawconn_windows_test.go(3.12 KB)
📁 rpc
📄 sendfile_linux.go(1.1 KB)
📄 sendfile_stub.go(391 B)
📄 sendfile_test.go(6.91 KB)
📄 sendfile_unix_alt.go(2.02 KB)
📄 sendfile_windows.go(1.02 KB)
📄 server_test.go(11.11 KB)
📁 smtp
📄 sock_bsd.go(968 B)
📄 sock_cloexec.go(1.53 KB)
📄 sock_linux.go(1.53 KB)
📄 sock_linux_test.go(545 B)
📄 sock_plan9.go(262 B)
📄 sock_posix.go(6.92 KB)
📄 sock_stub.go(420 B)
📄 sock_windows.go(1.16 KB)
📄 sockaddr_posix.go(1.05 KB)
📄 sockopt_aix.go(1.43 KB)
📄 sockopt_bsd.go(2.26 KB)
📄 sockopt_linux.go(1.25 KB)
📄 sockopt_plan9.go(406 B)
📄 sockopt_posix.go(2.76 KB)
📄 sockopt_solaris.go(1.25 KB)
📄 sockopt_stub.go(760 B)
📄 sockopt_windows.go(1.51 KB)
📄 sockoptip_bsdvar.go(929 B)
📄 sockoptip_linux.go(735 B)
📄 sockoptip_posix.go(1.53 KB)
📄 sockoptip_stub.go(971 B)
📄 sockoptip_windows.go(819 B)
📄 splice_linux.go(1.09 KB)
📄 splice_stub.go(304 B)
📄 splice_test.go(10.51 KB)
📄 sys_cloexec.go(1 KB)
📄 tcpsock.go(9.88 KB)
📄 tcpsock_plan9.go(2.13 KB)
📄 tcpsock_posix.go(5.39 KB)
📄 tcpsock_test.go(17.53 KB)
📄 tcpsock_unix_test.go(2.41 KB)
📄 tcpsockopt_darwin.go(770 B)
📄 tcpsockopt_dragonfly.go(698 B)
📄 tcpsockopt_openbsd.go(365 B)
📄 tcpsockopt_plan9.go(525 B)
📄 tcpsockopt_posix.go(592 B)
📄 tcpsockopt_solaris.go(1.15 KB)
📄 tcpsockopt_stub.go(415 B)
📄 tcpsockopt_unix.go(757 B)
📄 tcpsockopt_windows.go(741 B)
📁 testdata
📁 textproto
📄 timeout_test.go(23.39 KB)
📄 udpsock.go(9.19 KB)
📄 udpsock_plan9.go(3.79 KB)
📄 udpsock_plan9_test.go(1.31 KB)
📄 udpsock_posix.go(4.27 KB)
📄 udpsock_test.go(12.27 KB)
📄 unixsock.go(10.17 KB)
📄 unixsock_linux_test.go(2.29 KB)
📄 unixsock_plan9.go(1.24 KB)
📄 unixsock_posix.go(6.03 KB)
📄 unixsock_readmsg_cloexec.go(691 B)
📄 unixsock_readmsg_cmsg_cloexec.go(373 B)
📄 unixsock_readmsg_other.go(301 B)
📄 unixsock_readmsg_test.go(2.62 KB)
📄 unixsock_test.go(10.56 KB)
📄 unixsock_windows_test.go(2.09 KB)
📁 url
📄 write_unix_test.go(1.67 KB)
📄 writev_test.go(5.02 KB)
📄 writev_unix.go(797 B)

Editing: main_test.go

// Copyright 2015 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.

//go:build !js
// +build !js

package net

import (
	"flag"
	"fmt"
	"net/internal/socktest"
	"os"
	"runtime"
	"sort"
	"strings"
	"sync"
	"testing"
)

var (
	sw socktest.Switch

// uninstallTestHooks runs just before a run of benchmarks.
	testHookUninstaller sync.Once
)

var (
	testTCPBig = flag.Bool("tcpbig", false, "whether to test massive size of data per read or write call on TCP connection")

testDNSFlood = flag.Bool("dnsflood", false, "whether to test DNS query flooding")

// If external IPv4 connectivity exists, we can try dialing
	// non-node/interface local scope IPv4 addresses.
	// On Windows, Lookup APIs may not return IPv4-related
	// resource records when a node has no external IPv4
	// connectivity.
	testIPv4 = flag.Bool("ipv4", true, "assume external IPv4 connectivity exists")

// If external IPv6 connectivity exists, we can try dialing
	// non-node/interface local scope IPv6 addresses.
	// On Windows, Lookup APIs may not return IPv6-related
	// resource records when a node has no external IPv6
	// connectivity.
	testIPv6 = flag.Bool("ipv6", false, "assume external IPv6 connectivity exists")
)

func TestMain(m *testing.M) {
	setupTestData()
	installTestHooks()

st := m.Run()

testHookUninstaller.Do(uninstallTestHooks)
	if testing.Verbose() {
		printRunningGoroutines()
		printInflightSockets()
		printSocketStats()
	}
	forceCloseSockets()
	os.Exit(st)
}

type ipv6LinkLocalUnicastTest struct {
	network, address string
	nameLookup       bool
}

var (
	ipv6LinkLocalUnicastTCPTests []ipv6LinkLocalUnicastTest
	ipv6LinkLocalUnicastUDPTests []ipv6LinkLocalUnicastTest
)

func setupTestData() {
	if supportsIPv4() {
		resolveTCPAddrTests = append(resolveTCPAddrTests, []resolveTCPAddrTest{
			{"tcp", "localhost:1", &TCPAddr{IP: IPv4(127, 0, 0, 1), Port: 1}, nil},
			{"tcp4", "localhost:2", &TCPAddr{IP: IPv4(127, 0, 0, 1), Port: 2}, nil},
		}...)
		resolveUDPAddrTests = append(resolveUDPAddrTests, []resolveUDPAddrTest{
			{"udp", "localhost:1", &UDPAddr{IP: IPv4(127, 0, 0, 1), Port: 1}, nil},
			{"udp4", "localhost:2", &UDPAddr{IP: IPv4(127, 0, 0, 1), Port: 2}, nil},
		}...)
		resolveIPAddrTests = append(resolveIPAddrTests, []resolveIPAddrTest{
			{"ip", "localhost", &IPAddr{IP: IPv4(127, 0, 0, 1)}, nil},
			{"ip4", "localhost", &IPAddr{IP: IPv4(127, 0, 0, 1)}, nil},
		}...)
	}

if supportsIPv6() {
		resolveTCPAddrTests = append(resolveTCPAddrTests, resolveTCPAddrTest{"tcp6", "localhost:3", &TCPAddr{IP: IPv6loopback, Port: 3}, nil})
		resolveUDPAddrTests = append(resolveUDPAddrTests, resolveUDPAddrTest{"udp6", "localhost:3", &UDPAddr{IP: IPv6loopback, Port: 3}, nil})
		resolveIPAddrTests = append(resolveIPAddrTests, resolveIPAddrTest{"ip6", "localhost", &IPAddr{IP: IPv6loopback}, nil})

// Issue 20911: don't return IPv4 addresses for
		// Resolve*Addr calls of the IPv6 unspecified address.
		resolveTCPAddrTests = append(resolveTCPAddrTests, resolveTCPAddrTest{"tcp", "[::]:4", &TCPAddr{IP: IPv6unspecified, Port: 4}, nil})
		resolveUDPAddrTests = append(resolveUDPAddrTests, resolveUDPAddrTest{"udp", "[::]:4", &UDPAddr{IP: IPv6unspecified, Port: 4}, nil})
		resolveIPAddrTests = append(resolveIPAddrTests, resolveIPAddrTest{"ip", "::", &IPAddr{IP: IPv6unspecified}, nil})
	}

ifi := loopbackInterface()
	if ifi != nil {
		index := fmt.Sprintf("%v", ifi.Index)
		resolveTCPAddrTests = append(resolveTCPAddrTests, []resolveTCPAddrTest{
			{"tcp6", "[fe80::1%" + ifi.Name + "]:1", &TCPAddr{IP: ParseIP("fe80::1"), Port: 1, Zone: zoneCache.name(ifi.Index)}, nil},
			{"tcp6", "[fe80::1%" + index + "]:2", &TCPAddr{IP: ParseIP("fe80::1"), Port: 2, Zone: index}, nil},
		}...)
		resolveUDPAddrTests = append(resolveUDPAddrTests, []resolveUDPAddrTest{
			{"udp6", "[fe80::1%" + ifi.Name + "]:1", &UDPAddr{IP: ParseIP("fe80::1"), Port: 1, Zone: zoneCache.name(ifi.Index)}, nil},
			{"udp6", "[fe80::1%" + index + "]:2", &UDPAddr{IP: ParseIP("fe80::1"), Port: 2, Zone: index}, nil},
		}...)
		resolveIPAddrTests = append(resolveIPAddrTests, []resolveIPAddrTest{
			{"ip6", "fe80::1%" + ifi.Name, &IPAddr{IP: ParseIP("fe80::1"), Zone: zoneCache.name(ifi.Index)}, nil},
			{"ip6", "fe80::1%" + index, &IPAddr{IP: ParseIP("fe80::1"), Zone: index}, nil},
		}...)
	}

addr := ipv6LinkLocalUnicastAddr(ifi)
	if addr != "" {
		if runtime.GOOS != "dragonfly" {
			ipv6LinkLocalUnicastTCPTests = append(ipv6LinkLocalUnicastTCPTests, []ipv6LinkLocalUnicastTest{
				{"tcp", "[" + addr + "%" + ifi.Name + "]:0", false},
			}...)
			ipv6LinkLocalUnicastUDPTests = append(ipv6LinkLocalUnicastUDPTests, []ipv6LinkLocalUnicastTest{
				{"udp", "[" + addr + "%" + ifi.Name + "]:0", false},
			}...)
		}
		ipv6LinkLocalUnicastTCPTests = append(ipv6LinkLocalUnicastTCPTests, []ipv6LinkLocalUnicastTest{
			{"tcp6", "[" + addr + "%" + ifi.Name + "]:0", false},
		}...)
		ipv6LinkLocalUnicastUDPTests = append(ipv6LinkLocalUnicastUDPTests, []ipv6LinkLocalUnicastTest{
			{"udp6", "[" + addr + "%" + ifi.Name + "]:0", false},
		}...)
		switch runtime.GOOS {
		case "darwin", "ios", "dragonfly", "freebsd", "openbsd", "netbsd":
			ipv6LinkLocalUnicastTCPTests = append(ipv6LinkLocalUnicastTCPTests, []ipv6LinkLocalUnicastTest{
				{"tcp", "[localhost%" + ifi.Name + "]:0", true},
				{"tcp6", "[localhost%" + ifi.Name + "]:0", true},
			}...)
			ipv6LinkLocalUnicastUDPTests = append(ipv6LinkLocalUnicastUDPTests, []ipv6LinkLocalUnicastTest{
				{"udp", "[localhost%" + ifi.Name + "]:0", true},
				{"udp6", "[localhost%" + ifi.Name + "]:0", true},
			}...)
		case "linux":
			ipv6LinkLocalUnicastTCPTests = append(ipv6LinkLocalUnicastTCPTests, []ipv6LinkLocalUnicastTest{
				{"tcp", "[ip6-localhost%" + ifi.Name + "]:0", true},
				{"tcp6", "[ip6-localhost%" + ifi.Name + "]:0", true},
			}...)
			ipv6LinkLocalUnicastUDPTests = append(ipv6LinkLocalUnicastUDPTests, []ipv6LinkLocalUnicastTest{
				{"udp", "[ip6-localhost%" + ifi.Name + "]:0", true},
				{"udp6", "[ip6-localhost%" + ifi.Name + "]:0", true},
			}...)
		}
	}
}

func printRunningGoroutines() {
	gss := runningGoroutines()
	if len(gss) == 0 {
		return
	}
	fmt.Fprintf(os.Stderr, "Running goroutines:\n")
	for _, gs := range gss {
		fmt.Fprintf(os.Stderr, "%v\n", gs)
	}
	fmt.Fprintf(os.Stderr, "\n")
}

// runningGoroutines returns a list of remaining goroutines.
func runningGoroutines() []string {
	var gss []string
	b := make([]byte, 2<<20)
	b = b[:runtime.Stack(b, true)]
	for _, s := range strings.Split(string(b), "\n\n") {
		ss := strings.SplitN(s, "\n", 2)
		if len(ss) != 2 {
			continue
		}
		stack := strings.TrimSpace(ss[1])
		if !strings.Contains(stack, "created by net") {
			continue
		}
		gss = append(gss, stack)
	}
	sort.Strings(gss)
	return gss
}

func printInflightSockets() {
	sos := sw.Sockets()
	if len(sos) == 0 {
		return
	}
	fmt.Fprintf(os.Stderr, "Inflight sockets:\n")
	for s, so := range sos {
		fmt.Fprintf(os.Stderr, "%v: %v\n", s, so)
	}
	fmt.Fprintf(os.Stderr, "\n")
}

func printSocketStats() {
	sts := sw.Stats()
	if len(sts) == 0 {
		return
	}
	fmt.Fprintf(os.Stderr, "Socket statistical information:\n")
	for _, st := range sts {
		fmt.Fprintf(os.Stderr, "%v\n", st)
	}
	fmt.Fprintf(os.Stderr, "\n")
}

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Editing: main_test.go

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