public void DownloadFile(TLFileLocation file, TLObject owner, TLInt fileSize)
{
var downloadableItem = GetDownloadableItem(file, owner, fileSize, null);
lock (_itemsSyncRoot)
{
bool addFile = true;
var inputFileLocation = file.ToInputFileLocation();
foreach (var item in _items)
{
if (item.InputLocation.LocationEquals(inputFileLocation) &&
item.Owner == owner)
{
addFile = false;
break;
}
}
if (addFile)
{
_items.Add(downloadableItem);
}
}
StartAwaitingWorkers();
}
private TLFile GetFile(TLFileLocation location, TLInt offset, TLInt limit)
{
var manualResetEvent = new ManualResetEvent(false);
TLFile result = null;
_mtProtoService.GetFileAsync(location.DCId, location.ToInputFileLocation(), offset, limit,
file =>
{
result = file;
manualResetEvent.Set();
},
error =>
{
int delay;
lock (_randomRoot)
{
delay = _random.Next(1000, 3000);
}
Execute.BeginOnThreadPool(TimeSpan.FromMilliseconds(delay), () => manualResetEvent.Set());
});
manualResetEvent.WaitOne();
return(result);
}
protected DownloadableItem GetDownloadableItem(TLFileLocation location, TLObject owner, TLInt fileSize, Action <DownloadableItem> callback)
{
var item = new DownloadableItem
{
Owner = owner,
DCId = location.DCId,
Callback = callback,
InputLocation = location.ToInputFileLocation()
};
item.Parts = GetItemParts(fileSize, item);
return(item);
}
private TLUploadFileBase GetFile(TLFileLocation location, int offset, int limit, out TLRPCError er, out bool isCanceled)
{
var manualResetEvent = new ManualResetEvent(false);
TLUploadFileBase result = null;
TLRPCError outError = null;
var outIsCanceled = false;
_protoService.GetFileAsync(location.DCId, location.ToInputFileLocation(), offset, limit,
callback =>
{
result = callback;
manualResetEvent.Set();
if (callback is TLUploadFile file)
{
_statsService.IncrementReceivedBytesCount(_protoService.NetworkType, _dataType, 4 + 4 + file.Bytes.Length + 4);
}
},
error =>
{
outError = error;
if (error.CodeEquals(TLErrorCode.INTERNAL) ||
(error.CodeEquals(TLErrorCode.BAD_REQUEST) && (error.TypeEquals(TLErrorType.LOCATION_INVALID) || error.TypeEquals(TLErrorType.VOLUME_LOC_NOT_FOUND))) ||
(error.CodeEquals(TLErrorCode.NOT_FOUND) && error.ErrorMessage != null && error.ErrorMessage.StartsWith("Incorrect dhGen")))
{
outIsCanceled = true;
manualResetEvent.Set();
return;
}
int delay;
lock (_randomRoot)
{
delay = _random.Next(1000, 3000);
}
Execute.BeginOnThreadPool(TimeSpan.FromMilliseconds(delay), () => manualResetEvent.Set());
});
manualResetEvent.WaitOne(20 * 1000);
er = outError;
isCanceled = outIsCanceled;
return(result);
}
public void DownloadFile(TLFileLocation file, TLObject owner, TLInt fileSize, Action <DownloadableItem> callback)
{
var downloadableItem = GetDownloadableItem(file, owner, fileSize, callback);
lock (_itemsSyncRoot)
{
bool addFile = true;
var inputFileLocation = file.ToInputFileLocation();
foreach (var item in _items)
{
if (item.InputLocation.LocationEquals(inputFileLocation))
{
if (callback != null)
{
if (item.Callbacks == null)
{
item.Callbacks = new List <Action <DownloadableItem> >();
}
item.Callbacks.Add(callback);
addFile = false;
break;
}
if (item.Owner == owner)
{
addFile = false;
break;
}
}
}
if (addFile)
{
_items.Add(downloadableItem);
}
}
StartAwaitingWorkers();
}
