mirror of
https://github.com/KusakabeShi/EtherGuard-VPN.git
synced 2025-08-17 12:17:15 +02:00
Introduce rwcancel
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@ -6,6 +6,7 @@
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package main
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import (
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"./rwcancel"
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"errors"
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"fmt"
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"golang.org/x/sys/unix"
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@ -24,10 +25,11 @@ const (
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)
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type UAPIListener struct {
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listener net.Listener // unix socket listener
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connNew chan net.Conn
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connErr chan error
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inotifyFd int
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listener net.Listener // unix socket listener
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connNew chan net.Conn
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connErr chan error
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inotifyFd int
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inotifyRWCancel *rwcancel.RWCancel
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}
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func (l *UAPIListener) Accept() (net.Conn, error) {
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@ -45,10 +47,14 @@ func (l *UAPIListener) Accept() (net.Conn, error) {
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func (l *UAPIListener) Close() error {
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err1 := unix.Close(l.inotifyFd)
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err2 := l.listener.Close()
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err3 := l.inotifyRWCancel.Cancel()
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if err1 != nil {
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return err1
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}
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return err2
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if err2 != nil {
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return err2
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}
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return err3
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}
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func (l *UAPIListener) Addr() net.Addr {
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@ -94,15 +100,25 @@ func UAPIListen(name string, file *os.File) (net.Listener, error) {
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return nil, err
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}
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uapi.inotifyRWCancel, err = rwcancel.NewRWCancel(uapi.inotifyFd)
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if err != nil {
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unix.Close(uapi.inotifyFd)
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return nil, err
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}
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go func(l *UAPIListener) {
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var buff [4096]byte
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var buff [0]byte
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for {
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// start with lstat to avoid race condition
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if _, err := os.Lstat(socketPath); os.IsNotExist(err) {
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l.connErr <- err
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return
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}
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unix.Read(uapi.inotifyFd, buff[:])
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_, err := uapi.inotifyRWCancel.Read(buff[:])
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if err != nil {
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l.connErr <- err
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return
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}
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}
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}(uapi)
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