public override void Close()
{
try
{
_Closed = true;
Cleanup();
if (!_ReadOnly)
{
_FileLastAccessManager.Add(_FilePath);
}
}
catch (Exception e)
{
try
{
if (CachedFileBufferManager.ErrorMessage != null)
{
CachedFileBufferManager.ErrorMessage(string.Format("Closing CachedFileStream fail. FilePath:{0}", _FilePath), e);
}
}
catch
{
}
}
base.Close();
}
internal Buffer(CachedFileBufferManager mgr, LinkedList <Buffer> bufferList, int size)
{
_HeadPosition = 0;
_LastAccessTime = DateTime.Now;
_Node = bufferList.AddLast(this);
_Data = new byte[size];
_Mgr = mgr;
}
private int InitCacheBufferIndex()
{
int indexLength = (int)(this.Length / CachedFileBufferManager.BufferUnitSize);
if ((this.Length % CachedFileBufferManager.BufferUnitSize) > 0)
{
indexLength++;
}
_CacheBufferIndex = new CachedFileBufferManager.Buffer[indexLength];
_LastOLWithBuffer = new OffsetLength[indexLength];
_CachedFileMgr = CachedFileBufferManager.CachedFileBufMgr;
_CurPosition = 0;
return(indexLength);
}
private void CacheProc()
{
try
{
while (true)
{
int[] indexes = null;
lock (_CacheLock)
{
if (_CacheIndexes.Count == 0)
{
_CacheThread = null;
break;
}
else
{
indexes = _CacheIndexes.ToArray();
_CacheIndexes.Clear();
}
}
foreach (int index in indexes)
{
lock (_CacheLock)
{
if (_Closing)
{
break;
}
}
if (!InnerCacheUnit(index))
{
break;
}
}
}
}
catch (Exception e)
{
try
{
if (CachedFileBufferManager.ErrorMessage != null)
{
CachedFileBufferManager.ErrorMessage(string.Format("Cache file fail. FilePath:{0}", _FilePath), e);
}
}
catch
{
}
}
finally
{
lock (_CacheLock)
{
_CacheThread = null;
}
}
CacheAllFinished = true;
}
static public void Init(int memorySize, DelegateErrorMessage errorMessage)
{
CachedFileBufMgr = new CachedFileBufferManager(memorySize, errorMessage);
}
