func portUpdate(c *config.Config, ctx context.Context) error {
ip, er := getIP(c.OpenVPN.Tun, c.Timeout.Duration, ctx)
if er != nil || ctx.Err() != nil {
return er
}
logger.Infof("New bind ip: (%s) %s", c.OpenVPN.Tun, ip)
port, er := getPort(ip, c.PIA.User, c.PIA.Pass, c.PIA.ClientID, c.Timeout.Duration, ctx)
if er != nil || ctx.Err() != nil {
return er
}
logger.Infof("New peer port: %d", port)
notify := func(e error, w time.Duration) {
logger.Debugf("Failed to update transmission port: %v", er)
}
operation := func() error {
select {
default:
return transmission.
NewRawClient(c.Transmission.URL.String(), c.Transmission.User, c.Transmission.Pass).
UpdatePort(port)
case <-ctx.Done():
return nil
}
}
b := backoff.NewExponentialBackOff()
b.MaxElapsedTime = c.Timeout.Duration
return backoff.RetryNotify(operation, b, notify)
}
func portCheck(t *process.Process, c *config.Config, ctx context.Context) error {
if transmission.
NewRawClient(c.Transmission.URL.String(), c.Transmission.User, c.Transmission.Pass).
CheckPort() {
return nil
}
logger.Infof("Transmission port not open, stopping transmission")
t.Stop()
ip, er := getIP(c.OpenVPN.Tun, c.Timeout.Duration, ctx)
if er != nil {
return er
}
logger.Infof("New bind ip: (%s) %s", c.OpenVPN.Tun, ip)
port, er := getPort(ip, c.PIA.User, c.PIA.Pass, c.PIA.ClientID, c.Timeout.Duration, ctx)
if er != nil {
return er
}
logger.Infof("New peer port: %d", port)
if er := transmission.UpdateSettings(c.Transmission.Config, ip, port); er != nil {
return er
}
logger.Infof("Starting transmission")
go t.ExecuteAndRestart(ctx)
return nil
}