static void checkUpdate()
{
lock (lockObj)
{
if (cache != null && (cache.TimeStamp + LifeTime) >= DateTime.Now)
{
return;
}
using (cache_file_global_lock.Lock())
{
if (cache == null)
{
try
{
cache = FullRouteIPInfoCache.LoadFromFile(CacheFileName);
}
catch
{
}
}
if (cache != null && (cache.TimeStamp + LifeTime) >= DateTime.Now)
{
return;
}
try
{
if (nextDownloadRetry == 0 || (nextDownloadRetry <= Time.Tick64))
{
FullRouteIPInfoCache c2 = FullRouteIPInfoCache.CreateFromDownload(Url);
c2.SaveToFile(CacheFileName);
cache = c2;
}
}
catch
{
nextDownloadRetry = Time.Tick64 + DownloadRetryMSecs;
}
}
}
}
