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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: net_fake.go

// Copyright 2018 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.

// Fake networking for js/wasm. It is intended to allow tests of other package to pass.

//go:build js && wasm
// +build js,wasm

package net

import (
	"context"
	"internal/poll"
	"io"
	"os"
	"sync"
	"syscall"
	"time"
)

var listenersMu sync.Mutex
var listeners = make(map[string]*netFD)

var portCounterMu sync.Mutex
var portCounter = 0

func nextPort() int {
	portCounterMu.Lock()
	defer portCounterMu.Unlock()
	portCounter++
	return portCounter
}

// Network file descriptor.
type netFD struct {
	r        *bufferedPipe
	w        *bufferedPipe
	incoming chan *netFD

closedMu sync.Mutex
	closed   bool

// immutable until Close
	listener bool
	family   int
	sotype   int
	net      string
	laddr    Addr
	raddr    Addr

// unused
	pfd         poll.FD
	isConnected bool // handshake completed or use of association with peer
}

// socket returns a network file descriptor that is ready for
// asynchronous I/O using the network poller.
func socket(ctx context.Context, net string, family, sotype, proto int, ipv6only bool, laddr, raddr sockaddr, ctrlFn func(string, string, syscall.RawConn) error) (*netFD, error) {
	fd := &netFD{family: family, sotype: sotype, net: net}

if laddr != nil && raddr == nil { // listener
		l := laddr.(*TCPAddr)
		fd.laddr = &TCPAddr{
			IP:   l.IP,
			Port: nextPort(),
			Zone: l.Zone,
		}
		fd.listener = true
		fd.incoming = make(chan *netFD, 1024)
		listenersMu.Lock()
		listeners[fd.laddr.(*TCPAddr).String()] = fd
		listenersMu.Unlock()
		return fd, nil
	}

fd.laddr = &TCPAddr{
		IP:   IPv4(127, 0, 0, 1),
		Port: nextPort(),
	}
	fd.raddr = raddr
	fd.r = newBufferedPipe(65536)
	fd.w = newBufferedPipe(65536)

fd2 := &netFD{family: fd.family, sotype: sotype, net: net}
	fd2.laddr = fd.raddr
	fd2.raddr = fd.laddr
	fd2.r = fd.w
	fd2.w = fd.r
	listenersMu.Lock()
	l, ok := listeners[fd.raddr.(*TCPAddr).String()]
	if !ok {
		listenersMu.Unlock()
		return nil, syscall.ECONNREFUSED
	}
	l.incoming <- fd2
	listenersMu.Unlock()

return fd, nil
}

func (fd *netFD) Read(p []byte) (n int, err error) {
	return fd.r.Read(p)
}

func (fd *netFD) Write(p []byte) (nn int, err error) {
	return fd.w.Write(p)
}

func (fd *netFD) Close() error {
	fd.closedMu.Lock()
	if fd.closed {
		fd.closedMu.Unlock()
		return nil
	}
	fd.closed = true
	fd.closedMu.Unlock()

if fd.listener {
		listenersMu.Lock()
		delete(listeners, fd.laddr.String())
		close(fd.incoming)
		fd.listener = false
		listenersMu.Unlock()
		return nil
	}

fd.r.Close()
	fd.w.Close()
	return nil
}

func (fd *netFD) closeRead() error {
	fd.r.Close()
	return nil
}

func (fd *netFD) closeWrite() error {
	fd.w.Close()
	return nil
}

func (fd *netFD) accept() (*netFD, error) {
	c, ok := <-fd.incoming
	if !ok {
		return nil, syscall.EINVAL
	}
	return c, nil
}

func (fd *netFD) SetDeadline(t time.Time) error {
	fd.r.SetReadDeadline(t)
	fd.w.SetWriteDeadline(t)
	return nil
}

func (fd *netFD) SetReadDeadline(t time.Time) error {
	fd.r.SetReadDeadline(t)
	return nil
}

func (fd *netFD) SetWriteDeadline(t time.Time) error {
	fd.w.SetWriteDeadline(t)
	return nil
}

func newBufferedPipe(softLimit int) *bufferedPipe {
	p := &bufferedPipe{softLimit: softLimit}
	p.rCond.L = &p.mu
	p.wCond.L = &p.mu
	return p
}

type bufferedPipe struct {
	softLimit int
	mu        sync.Mutex
	buf       []byte
	closed    bool
	rCond     sync.Cond
	wCond     sync.Cond
	rDeadline time.Time
	wDeadline time.Time
}

func (p *bufferedPipe) Read(b []byte) (int, error) {
	p.mu.Lock()
	defer p.mu.Unlock()

for {
		if p.closed && len(p.buf) == 0 {
			return 0, io.EOF
		}
		if !p.rDeadline.IsZero() {
			d := time.Until(p.rDeadline)
			if d <= 0 {
				return 0, syscall.EAGAIN
			}
			time.AfterFunc(d, p.rCond.Broadcast)
		}
		if len(p.buf) > 0 {
			break
		}
		p.rCond.Wait()
	}

n := copy(b, p.buf)
	p.buf = p.buf[n:]
	p.wCond.Broadcast()
	return n, nil
}

func (p *bufferedPipe) Write(b []byte) (int, error) {
	p.mu.Lock()
	defer p.mu.Unlock()

for {
		if p.closed {
			return 0, syscall.ENOTCONN
		}
		if !p.wDeadline.IsZero() {
			d := time.Until(p.wDeadline)
			if d <= 0 {
				return 0, syscall.EAGAIN
			}
			time.AfterFunc(d, p.wCond.Broadcast)
		}
		if len(p.buf) <= p.softLimit {
			break
		}
		p.wCond.Wait()
	}

p.buf = append(p.buf, b...)
	p.rCond.Broadcast()
	return len(b), nil
}

func (p *bufferedPipe) Close() {
	p.mu.Lock()
	defer p.mu.Unlock()

p.closed = true
	p.rCond.Broadcast()
	p.wCond.Broadcast()
}

func (p *bufferedPipe) SetReadDeadline(t time.Time) {
	p.mu.Lock()
	defer p.mu.Unlock()

p.rDeadline = t
	p.rCond.Broadcast()
}

func (p *bufferedPipe) SetWriteDeadline(t time.Time) {
	p.mu.Lock()
	defer p.mu.Unlock()

p.wDeadline = t
	p.wCond.Broadcast()
}

func sysSocket(family, sotype, proto int) (int, error) {
	return 0, syscall.ENOSYS
}

func (fd *netFD) readFrom(p []byte) (n int, sa syscall.Sockaddr, err error) {
	return 0, nil, syscall.ENOSYS
}

func (fd *netFD) readMsg(p []byte, oob []byte, flags int) (n, oobn, retflags int, sa syscall.Sockaddr, err error) {
	return 0, 0, 0, nil, syscall.ENOSYS
}

func (fd *netFD) writeTo(p []byte, sa syscall.Sockaddr) (n int, err error) {
	return 0, syscall.ENOSYS
}

func (fd *netFD) writeMsg(p []byte, oob []byte, sa syscall.Sockaddr) (n int, oobn int, err error) {
	return 0, 0, syscall.ENOSYS
}

func (fd *netFD) dup() (f *os.File, err error) {
	return nil, syscall.ENOSYS
}

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Editing: net_fake.go

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