mirror of
https://github.com/KusakabeShi/EtherGuard-VPN.git
synced 2024-12-28 00:18:48 +01:00
Better naming of bind helpers
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parent
b5ae42349c
commit
af464cff00
11
src/conn.go
11
src/conn.go
@ -54,7 +54,7 @@ func parseEndpoint(s string) (*net.UDPAddr, error) {
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/* Must hold device and net lock
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*/
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func unsafeCloseUDPListener(device *Device) error {
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func unsafeCloseBind(device *Device) error {
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var err error
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netc := &device.net
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if netc.bind != nil {
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@ -64,8 +64,7 @@ func unsafeCloseUDPListener(device *Device) error {
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return err
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}
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// must inform all listeners
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func UpdateUDPListener(device *Device) error {
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func updateBind(device *Device) error {
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device.mutex.Lock()
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defer device.mutex.Unlock()
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@ -75,7 +74,7 @@ func UpdateUDPListener(device *Device) error {
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// close existing sockets
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if err := unsafeCloseUDPListener(device); err != nil {
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if err := unsafeCloseBind(device); err != nil {
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return err
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}
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@ -124,10 +123,10 @@ func UpdateUDPListener(device *Device) error {
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return nil
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}
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func CloseUDPListener(device *Device) error {
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func closeBind(device *Device) error {
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device.mutex.Lock()
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device.net.mutex.Lock()
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err := unsafeCloseUDPListener(device)
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err := unsafeCloseBind(device)
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device.net.mutex.Unlock()
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device.mutex.Unlock()
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return err
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@ -210,7 +210,7 @@ func (device *Device) Close() {
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device.log.Info.Println("Closing device")
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device.RemoveAllPeers()
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close(device.signal.stop)
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CloseUDPListener(device)
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closeBind(device)
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device.tun.device.Close()
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}
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@ -47,17 +47,19 @@ func (device *Device) RoutineTUNEventReader() {
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if event&TUNEventUp != 0 {
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if !device.tun.isUp.Get() {
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// begin listening for incomming datagrams
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logInfo.Println("Interface set up")
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device.tun.isUp.Set(true)
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UpdateUDPListener(device)
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updateBind(device)
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}
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}
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if event&TUNEventDown != 0 {
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if device.tun.isUp.Get() {
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// stop listening for incomming datagrams
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logInfo.Println("Interface set down")
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device.tun.isUp.Set(false)
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CloseUDPListener(device)
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closeBind(device)
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}
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}
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}
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@ -139,7 +139,7 @@ func ipcSetOperation(device *Device, socket *bufio.ReadWriter) *IPCError {
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return &IPCError{Code: ipcErrorInvalid}
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}
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device.net.port = uint16(port)
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if err := UpdateUDPListener(device); err != nil {
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if err := updateBind(device); err != nil {
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logError.Println("Failed to set listen_port:", err)
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return &IPCError{Code: ipcErrorPortInUse}
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}
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