/// <summary>
/// live for cache ;}
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void CacheEngineLoop()
{
Debug.WriteLine("CacheEngine: start");
int left = 0;
OnTileCacheStart?.Invoke();
bool startEvent = false;
while (!abortCacheLoop)
{
try
{
CacheQueueItem?task = null;
lock (tileCacheQueue)
{
left = tileCacheQueue.Count;
if (left > 0)
{
task = tileCacheQueue.Dequeue();
}
}
if (task.HasValue)
{
if (startEvent)
{
startEvent = false;
OnTileCacheStart?.Invoke();
}
OnTileCacheProgress?.Invoke(left);
#region -- save --
// check if stream wasn't disposed somehow
if (task.Value.Img != null)
{
Debug.WriteLine("CacheEngine[" + left + "]: storing tile " + task.Value + ", " + task.Value.Img.Length / 1024 + "kB...");
if ((task.Value.CacheType & CacheUsage.First) == CacheUsage.First && PrimaryCache != null)
{
if (cacheOnIdleRead)
{
while (Interlocked.Decrement(ref readingCache) > 0)
{
Thread.Sleep(1000);
}
}
PrimaryCache.PutImageToCache(task.Value.Img, task.Value.Tile.Type, task.Value.Tile.Pos, task.Value.Tile.Zoom);
}
if ((task.Value.CacheType & CacheUsage.Second) == CacheUsage.Second && SecondaryCache != null)
{
if (cacheOnIdleRead)
{
while (Interlocked.Decrement(ref readingCache) > 0)
{
Thread.Sleep(1000);
}
}
SecondaryCache.PutImageToCache(task.Value.Img, task.Value.Tile.Type, task.Value.Tile.Pos, task.Value.Tile.Zoom);
}
task.Value.Clear();
if (!boostCacheEngine)
{
#if PocketPC
Thread.Sleep(3333);
#else
Thread.Sleep(333);
#endif
}
}
else
{
Debug.WriteLine("CacheEngineLoop: skip, tile disposed to early -> " + task.Value);
}
task = null;
#endregion
}
else
{
if (!startEvent)
{
startEvent = true;
OnTileCacheComplete?.Invoke();
}
if (abortCacheLoop || noMapInstances || !WaitForCache.WaitOne(33333, false) || noMapInstances)
{
break;
}
}
}
#if !PocketPC
catch (AbandonedMutexException)
{
break;
}
#endif
catch (Exception ex)
{
Debug.WriteLine("CacheEngineLoop: " + ex.ToString());
}
}
Debug.WriteLine("CacheEngine: stop");
if (!startEvent)
{
OnTileCacheComplete?.Invoke();
}
}
/// <summary>
/// live for cache ;}
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void CacheEngineLoop()
{
int left = 0;
if (OnTileCacheStart != null)
{
OnTileCacheStart();
}
bool startEvent = false;
while (!abortCacheLoop)
{
try
{
CacheQueueItem?task = null;
lock (tileCacheQueue)
{
left = tileCacheQueue.Count;
if (left > 0)
{
task = tileCacheQueue.Dequeue();
}
}
if (task.HasValue)
{
if (startEvent)
{
startEvent = false;
if (OnTileCacheStart != null)
{
OnTileCacheStart();
}
}
if (OnTileCacheProgress != null)
{
OnTileCacheProgress(left);
}
#region -- save --
// check if stream wasn't disposed somehow
if (task.Value.Img != null)
{
if ((task.Value.CacheType & CacheUsage.First) == CacheUsage.First && PrimaryCache != null)
{
if (cacheOnIdleRead)
{
while (Interlocked.Decrement(ref readingCache) > 0)
{
Thread.Sleep(1000);
}
}
PrimaryCache.PutImageToCache(task.Value.Img, task.Value.Tile.Type, task.Value.Tile.Pos, task.Value.Tile.Zoom);
}
if ((task.Value.CacheType & CacheUsage.Second) == CacheUsage.Second && SecondaryCache != null)
{
if (cacheOnIdleRead)
{
while (Interlocked.Decrement(ref readingCache) > 0)
{
Thread.Sleep(1000);
}
}
SecondaryCache.PutImageToCache(task.Value.Img, task.Value.Tile.Type, task.Value.Tile.Pos, task.Value.Tile.Zoom);
}
task.Value.Clear();
if (!boostCacheEngine)
{
#if PocketPC
Thread.Sleep(3333);
#else
Thread.Sleep(333);
#endif
}
}
else
{
}
task = null;
#endregion
}
else
{
if (!startEvent)
{
startEvent = true;
if (OnTileCacheComplete != null)
{
OnTileCacheComplete();
}
}
if (abortCacheLoop || noMapInstances || !WaitForCache.WaitOne(33333, false) || noMapInstances)
{
break;
}
}
}
#if !PocketPC
catch (AbandonedMutexException)
{
break;
}
#endif
catch
{
}
}
if (!startEvent)
{
if (OnTileCacheComplete != null)
{
OnTileCacheComplete();
}
}
}
