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Fix isOpen for TUN/TAP actor

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This commit is contained in:
Neil Alexander 2019-10-24 23:37:39 +01:00
parent d37133e311
commit cd93969930
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GPG Key ID: A02A2019A2BB0944
1 changed files with 9 additions and 2 deletions
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11
src/tuntap/tun.go
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@ -143,9 +143,12 @@ func (tun *TunAdapter) Start() error {
} }
func (tun *TunAdapter) _start() error { func (tun *TunAdapter) _start() error {
if tun.isOpen {
return errors.New("TUN/TAP module is already started")
}
current := tun.config.GetCurrent() current := tun.config.GetCurrent()
if tun.config == nil || tun.listener == nil || tun.dialer == nil { if tun.config == nil || tun.listener == nil || tun.dialer == nil {
return errors.New("No configuration available to TUN/TAP") return errors.New("no configuration available to TUN/TAP")
} }
var boxPub crypto.BoxPubKey var boxPub crypto.BoxPubKey
boxPubHex, err := hex.DecodeString(current.EncryptionPublicKey) boxPubHex, err := hex.DecodeString(current.EncryptionPublicKey)
@ -182,7 +185,11 @@ func (tun *TunAdapter) _start() error {
// IsStarted returns true if the module has been started. // IsStarted returns true if the module has been started.
func (tun *TunAdapter) IsStarted() bool { func (tun *TunAdapter) IsStarted() bool {
return tun.isOpen var isOpen bool
phony.Block(tun, func() {
isOpen = tun.isOpen
})
return isOpen
} }
// Start the setup process for the TUN/TAP adapter. If successful, starts the // Start the setup process for the TUN/TAP adapter. If successful, starts the