public SmallFileBlockStream OpenReadCachedOnly(FSItem item, Downloader downloader = null)
{
CacheEntry entry;
var path = Path.Combine(cachePath, item.Id);
if (!File.Exists(path))
{
if (access.TryRemove(item.Id, out entry))
{
TotalSizeDecrease(item.Length);
}
return(null);
}
if (access.TryGetValue(item.Id, out entry))
{
entry.AccessTime = DateTime.UtcNow;
}
else
{
AddExisting(item);
}
Log.Trace("Opened cached: " + item.Id);
return(SmallFileBlockStream.OpenReadonly(item, path, downloader));
}
public SmallFileBlockStream OpenReadCachedOnly(FSItem item, Downloader downloader = null)
{
var path = GetFilePath(item);
if (path == null)
{
return(null);
}
Log.Trace("Opened cached: " + item.Id);
return(SmallFileBlockStream.OpenReadonly(item, path, downloader));
}
public SmallFileBlockStream OpenReadWrite(FSItem item)
{
var path = Path.Combine(cachePath, item.Id);
var downloader = StartDownload(item, path);
if (access.TryGetValue(item.Id, out CacheEntry entry))
{
entry.AccessTime = DateTime.UtcNow;
}
Log.Trace("Opened ReadWrite cached: " + item.Id);
return(SmallFileBlockStream.OpenWriteable(item, path, downloader));
}