private TLUploadWebFile GetFile(int dcId, TLInputWebFileLocation location, int offset, int limit)
{
var manualResetEvent = new ManualResetEvent(false);
TLUploadWebFile result = null;
_mtProtoService.GetWebFileAsync(dcId, location, offset, limit,
file =>
{
result = file;
manualResetEvent.Set();
_statsService.IncrementReceivedBytesCount(_mtProtoService.NetworkType, _dataType, 4 + 4 + file.Bytes.Length + 4);
},
error =>
{
int delay;
lock (_randomRoot)
{
delay = _random.Next(1000, 3000);
}
Execute.BeginOnThreadPool(TimeSpan.FromMilliseconds(delay), () => manualResetEvent.Set());
});
manualResetEvent.WaitOne();
return(result);
}
public FileLoadOperation(TLWebDocument webDocument)
{
this.state = 0;
this.webLocation = new TLInputWebFileLocation();
this.webLocation.Url = webDocument.Url;
this.webLocation.AccessHash = webDocument.AccessHash;
this.totalBytesCount = webDocument.Size;
this.datacenter_id = webDocument.DCId;
String defaultExt = FileLoader.getExtensionByMime(webDocument.MimeType);
if (webDocument.MimeType.StartsWith("image/"))
{
this.currentType = FileType.Photo;
}
else if (webDocument.MimeType.Equals("audio/ogg"))
{
this.currentType = FileType.Audio;
}
else if (webDocument.MimeType.StartsWith("video/"))
{
this.currentType = FileType.Video;
}
else
{
this.currentType = FileType.File;
}
this.ext = ImageLoader.getHttpUrlExtension(webDocument.Url, defaultExt);
}
public void DownloadFile(string originalFileName, int dcId, TLInputWebFileLocation fileLocation, TLObject owner, int fileSize)
{
Execute.BeginOnThreadPool(() =>
{
var downloadableItem = GetDownloadableItem(originalFileName, dcId, fileLocation, owner, fileSize);
var downloadedCount = downloadableItem.Parts.Count(x => x.Status == PartStatus.Processed);
var count = downloadableItem.Parts.Count;
var isComplete = downloadedCount == count;
if (isComplete)
{
//var id = downloadableItem.InputDocumentLocation.Id;
//var accessHash = downloadableItem.InputDocumentLocation.AccessHash;
var fileExtension = Path.GetExtension(downloadableItem.FileName.ToString());
var fileName = GetFileName(downloadableItem.InputWebFileLocation, fileExtension); //string.Format("document{0}_{1}{2}", id, accessHash, fileExtension);
Func <DownloadablePart, string> getPartName = x => downloadableItem.InputWebFileLocation.GetPartFileName(x.Number); //string.Format("document{0}_{1}_{2}.dat", id, accessHash, x.Number);
FileUtils.MergePartsToFile(getPartName, downloadableItem.Parts, fileName);
downloadableItem.IsoFileName = fileName;
_eventAggregator.Publish(downloadableItem);
}
else
{
var progress = downloadedCount / (double)count;
Execute.BeginOnThreadPool(() => _eventAggregator.Publish(new DownloadProgressChangedEventArgs(downloadableItem, progress)));
lock (_itemsSyncRoot)
{
bool addFile = true;
foreach (var item in _items)
{
if (item.InputWebFileLocation.AccessHash == fileLocation.AccessHash &&
item.InputWebFileLocation.Url == fileLocation.Url)
{
//item.SuppressMerge = true;
//item.
if (item.Owner == owner)
{
Execute.ShowDebugMessage("Cancel document=" + fileLocation.Url);
addFile = false;
break;
}
}
}
if (addFile)
{
_items.Add(downloadableItem);
}
}
StartAwaitingWorkers();
}
});
}
public void GetWebFileAsync(int dcId, TLInputWebFileLocation location, int offset, int limit, Action <TLUploadWebFile> callback, Action <TLRPCError> faultCallback = null)
{
var obj = new TLUploadGetWebFile {
Location = location, Offset = offset, Limit = limit
};
const string caption = "upload.getWebFile";
SendInformativeMessage(caption, obj, callback, faultCallback, null, dcId, ConnectionType.Download, RequestFlag.ForceDownload | RequestFlag.FailOnServerError, true);
}
private DownloadableItem GetDownloadableItem(string fileName, int dcId, TLInputWebFileLocation location, TLObject owner, int fileSize)
{
var item = new DownloadableItem
{
DCId = dcId,
FileName = fileName,
Owner = owner,
InputWebFileLocation = location
};
item.Parts = GetItemParts(fileSize, item);
return(item);
}
public IAsyncOperationWithProgress <DownloadableItem, double> DownloadFileAsync(string originalFileName, int dcId, TLInputWebFileLocation fileLocation, int fileSize)
{
return(AsyncInfo.Run <DownloadableItem, double>((token, progress) =>
{
var tsc = new TaskCompletionSource <DownloadableItem>();
var downloadableItem = GetDownloadableItem(originalFileName, dcId, fileLocation, null, fileSize);
downloadableItem.Callback = tsc;
downloadableItem.Progress = progress;
var downloadedCount = downloadableItem.Parts.Count(x => x.Status == PartStatus.Processed);
var count = downloadableItem.Parts.Count;
var isComplete = downloadedCount == count;
if (isComplete)
{
//var id = downloadableItem.InputDocumentLocation.Id;
//var accessHash = downloadableItem.InputDocumentLocation.AccessHash;
var fileExtension = Path.GetExtension(downloadableItem.FileName.ToString());
var fileName = GetFileName(downloadableItem.InputWebFileLocation, fileExtension); //string.Format("document{0}_{1}{2}", id, accessHash, fileExtension);
Func <DownloadablePart, string> getPartName = x => downloadableItem.InputWebFileLocation.GetPartFileName(x.Number); //string.Format("document{0}_{1}_{2}.dat", id, accessHash, x.Number);
FileUtils.MergePartsToFile(getPartName, downloadableItem.Parts, fileName);
downloadableItem.IsoFileName = fileName;
downloadableItem.Progress.Report(1.0);
downloadableItem.Callback.TrySetResult(downloadableItem);
}
else
{
downloadableItem.Progress.Report(downloadedCount / (double)count);
lock (_itemsSyncRoot)
{
bool addFile = true;
foreach (var item in _items)
{
if (item.InputWebFileLocation.AccessHash == fileLocation.AccessHash &&
item.InputWebFileLocation.Url == fileLocation.Url)
{
downloadableItem.Callback = item.Callback;
downloadableItem.Progress = item.Progress;
addFile = false;
Debug.WriteLine("Already downloading document");
//item.SuppressMerge = true;
//item.
//if (item.Owner == owner)
//{
// Execute.ShowDebugMessage("Cancel document=" + fileLocation.Id);
// addFile = false;
// break;
//}
}
}
if (addFile)
{
_items.Add(downloadableItem);
}
}
StartAwaitingWorkers();
}
return tsc.Task;
}));
}
public static string GetFileName(TLInputWebFileLocation fileLocation, string fileExtension)
{
return(BitConverter.ToString(Utils.ComputeMD5(fileLocation.Url)).Replace("-", "") + fileExtension);
}
