public void start()
{
const int MILLIS_IN_SEC = 1000;
stop();
logger.Info("Runner starting");
try
{
opts = Options.loadFromConfig();
long initialDelaySec = 0;
if (opts.GeneralOptions.HasInitialDelay)
{
// calculate start delay from somewhat random, but stable for given client source
System.Security.Cryptography.MD5 md5 = System.Security.Cryptography.MD5.Create();
byte[] inputBytes = System.Text.Encoding.ASCII.GetBytes(opts.AWSOptions.AWSAccessKey);
byte[] hashBytes = md5.ComputeHash(inputBytes);
initialDelaySec = hashBytes[0] % opts.GeneralOptions.TimerPeriodSec;
logger.Info("Sleeping for initial delay of " + initialDelaySec + " seconds ");
}
else
{
logger.Warn("Initial delay is disabled. This is not recommended!");
}
long periodSec = opts.GeneralOptions.TimerPeriodSec < 30 ? 30 : opts.GeneralOptions.TimerPeriodSec;
timer = new Timer(this.doIt, null, initialDelaySec * MILLIS_IN_SEC, periodSec * MILLIS_IN_SEC);
running = true;
}
catch (Route53DDNSException ex)
{
logger.Error("Caught an exception, cannot start runner", ex);
}
}
private void OptionsForm_Load(object sender, EventArgs e)
{
//load the configuration! I am the modifier, so I don't care if anyone modifies it!
opts = Options.loadFromConfig(true);
// There should be a way to bind these GUI controls generically to values, this is just plain boring :(
this.externalIPNeeded.Checked = opts.GeneralOptions.ExternalIPNeeded;
this.hasInitialDelay.Checked = opts.GeneralOptions.HasInitialDelay;
this.timerPeriodSec.Text = opts.GeneralOptions.TimerPeriodSec.ToString();
this.runOnStart.Checked = opts.GeneralOptions.RunOnStart;
this.domainName.Text = opts.GeneralOptions.DomainName;
this.awsAccessKey.Text = opts.AWSOptions.AWSAccessKey;
this.awsSecretKey.Text = opts.AWSOptions.AWSSecretKey;
this.hostedZoneId.Text = opts.AWSOptions.HostedZoneId;
if (opts.AWSOptions.AWSRegion != null && opts.AWSOptions.AWSRegion.Length != 0) // optional
{
this.awsRegion.Text = opts.AWSOptions.AWSRegion;
}
foreach(IPProvider provider in opts.GeneralOptions.IPProviders)
{
this.urlList.Items.Add(provider.URL);
}
resizeToPartial();
logger.Info("Options form loaded");
}
