private async void Watcher()
{
while (!disposedValue)
{
// Can we talk to the server?
serverIsOnline = ServerPinging();
// Is the DB Cache available?
cacheIsAvailable = DBCacheFunctions.CacheUpToDate(serverIsOnline);
// Get status based on values of server online and cache mode.
var status = GetWatchdogStatus();
if (status != currentWatchdogStatus)
{
currentWatchdogStatus = status;
OnStatusChanged(new WatchdogStatusEventArgs(currentWatchdogStatus));
}
if (serverIsOnline)
{
//Fire tick event to update server datatime.
OnWatcherTick(new WatchdogTickEventArgs(GetServerTime()));
}
CheckForCacheRebuild();
await Task.Delay(watcherInterval);
}
}
public void StartWatcher()
{
watcherTask = new Task(() => Watcher(), TaskCreationOptions.LongRunning);
watcherTask.Start();
if (inCachedMode)
{
currentWatchdogStatus = WatchdogConnectionStatus.CachedMode;
OnStatusChanged(new WatchdogStatusEventArgs(WatchdogConnectionStatus.CachedMode));
}
}
private void CheckForCacheRebuild()
{
if (currentWatchdogStatus == WatchdogConnectionStatus.Online)
{
if (!cacheIsAvailable)
{
OnRebuildCache(new EventArgs());
}
if (previousWatchdogStatus == WatchdogConnectionStatus.CachedMode || previousWatchdogStatus == WatchdogConnectionStatus.Offline)
{
OnRebuildCache(new EventArgs());
}
}
previousWatchdogStatus = currentWatchdogStatus;
}
public WatchdogStatusEventArgs(WatchdogConnectionStatus connectionStatus)
{
this.ConnectionStatus = connectionStatus;
}