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 void startDownloadRequest()
{
if (state != stateDownloading || totalBytesCount > 0 && nextDownloadOffset >= totalBytesCount || requestInfos.Count + delayedRequestInfos.Count >= currentMaxDownloadRequests)
{
return;
}
int count = 1;
if (totalBytesCount > 0)
{
count = Math.Max(0, currentMaxDownloadRequests - requestInfos.Count /* - delayedRequestInfos.size()*/);
}
for (int a = 0; a < count; a++)
{
if (totalBytesCount > 0 && nextDownloadOffset >= totalBytesCount)
{
break;
}
bool isLast = totalBytesCount <= 0 || a == count - 1 || totalBytesCount > 0 && nextDownloadOffset + currentDownloadChunkSize >= totalBytesCount;
TLObject request;
int offset;
int flags;
if (isCdn)
{
TLUploadGetCdnFile req = new TLUploadGetCdnFile();
req.FileToken = cdnToken;
req.Offset = offset = nextDownloadOffset;
req.Limit = currentDownloadChunkSize;
request = req;
//!!!flags = ConnectionsManager.ConnectionTypeGeneric;
//flags = requestsCount % 2 == 0 ? ConnectionsManager.ConnectionTypeDownload : ConnectionsManager.ConnectionTypeDownload2;
}
else if (webLocation != null)
{
TLUploadGetWebFile req = new TLUploadGetWebFile();
req.Location = webLocation;
req.Offset = offset = nextDownloadOffset;
req.Limit = currentDownloadChunkSize;
request = req;
//1!!flags = ConnectionsManager.ConnectionTypeGeneric;
//flags = requestsCount % 2 == 0 ? ConnectionsManager.ConnectionTypeDownload : ConnectionsManager.ConnectionTypeDownload2;
}
else
{
TLUploadGetFile req = new TLUploadGetFile();
req.Location = location;
req.Offset = offset = nextDownloadOffset;
req.Limit = currentDownloadChunkSize;
request = req;
//flags = requestsCount % 2 == 0 ? ConnectionsManager.ConnectionTypeDownload : ConnectionsManager.ConnectionTypeDownload2;
}
nextDownloadOffset += currentDownloadChunkSize;
RequestInfo requestInfo = new RequestInfo();
requestInfos.Add(requestInfo);
requestInfo.offset = offset;
int dcId;
if (isCdn)
{
dcId = cdnDatacenterId;
}
else
{
dcId = datacenter_id;
}
//var reset = new ManualResetEvent(false);
MTProtoService.Current.SendRequestAsync <TLObject>("", request, dcId, isCdn, result =>
{
//reset.Set();
if (result is TLUploadFileCdnRedirect redirect)
{
isCdn = true;
cdnDatacenterId = redirect.DCId;
cdnIv = redirect.EncryptionIV;
cdnKey = redirect.EncryptionKey;
cdnToken = redirect.FileToken;
ClearOperation(requestInfo);
startDownloadRequest();
}
else if (result is TLUploadCdnFileReuploadNeeded reuploadNeeded && !reuploadingCdn)
{
ClearOperation(requestInfo);
reuploadingCdn = true;
TLUploadReuploadCdnFile req = new TLUploadReuploadCdnFile();
req.FileToken = cdnToken;
req.RequestToken = reuploadNeeded.RequestToken;
MTProtoService.Current.SendRequestAsync <TLObject>("upload.reuploadCdnFile", req, datacenter_id, isCdn, resultReupload =>
{
reuploadingCdn = false;
startDownloadRequest();
}, faultReupload =>
{
reuploadingCdn = false;
if (faultReupload.ErrorMessage.Equals("FILE_TOKEN_INVALID") && faultReupload.ErrorMessage.Equals("REQUEST_TOKEN_INVALID"))
{
isCdn = false;
ClearOperation(requestInfo);
startDownloadRequest();
}
else
{
onFail(false, 0);
}
});
}