diff options
Diffstat (limited to 'device/device.go')
| -rw-r--r-- | device/device.go | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/device/device.go b/device/device.go index 5f128fc..f7885ce 100644 --- a/device/device.go +++ b/device/device.go @@ -90,6 +90,23 @@ type Device struct { } } +// ListenPort returns the port that device is listening on. +// It returns 0 if the device is not listening on any ports. +func (device *Device) ListenPort() uint16 { + device.net.Lock() + defer device.net.Unlock() + return device.net.port +} + +// SetListenPort sets the port that the device is listening on. +// The new port is bound immediately. +func (device *Device) SetListenPort(port uint16) error { + device.net.Lock() + defer device.net.Unlock() + device.net.port = port + return device.bindUpdateLocked() +} + // An encryptionQueue is a channel of QueueOutboundElements awaiting encryption. // An encryptionQueue is ref-counted using its wg field. // An encryptionQueue created with newEncryptionQueue has one reference. @@ -490,9 +507,12 @@ func (device *Device) BindSetMark(mark uint32) error { } func (device *Device) BindUpdate() error { - device.net.Lock() defer device.net.Unlock() + return device.bindUpdateLocked() +} + +func (device *Device) bindUpdateLocked() error { // close existing sockets |