private void Tox_OnFileChunkRequested(object sender, ToxEventArgs.FileRequestChunkEventArgs e)
{
var transfer = FindTransfer(e.FriendNumber, e.FileNumber);
Stream stream = null;
if (transfer == null || !_transfers.TryGetValue(transfer, out stream))
{
Debugging.Write("Chunk requested for a transfer we don't know about, ignoring");
return;
}
if (e.Length == 0)
{
Debugging.Write("Transfer finished");
//time to clean up
RemoveTransfer(transfer, false);
//let's be nice and send an empty chunk to let our friend know we're done sending the file
_tox.FileSendChunk(e.FriendNumber, e.FileNumber, e.Position, new byte[0]);
return;
}
if (stream.Position != e.Position)
{
Debugging.Write("Position doesn't equal ours, rewinding");
try { stream.Seek(e.Position, SeekOrigin.Begin); }
catch (Exception ex)
{
Debugging.Write("Error while seeking in stream, exception: " + ex.ToString());
return; //TODO: should probably cancel the transfer here
}
transfer.TransferredBytes = e.Position;
}
byte[] buffer = new byte[e.Length];
try { stream.Read(buffer, 0, buffer.Length); }
catch (Exception ex)
{
Debugging.Write("Error while reading from stream, exception: " + ex.ToString());
return; //TODO: should probably cancel the transfer here
}
var error = ToxErrorFileSendChunk.Ok;
if (!_tox.FileSendChunk(e.FriendNumber, e.FileNumber, e.Position, buffer, out error))
{
Debugging.Write("Failed to send chunk: " + error);
}
else
{
transfer.TransferredBytes += e.Length;
}
}
public byte[] GetNextChunk(ToxEventArgs.FileRequestChunkEventArgs e)
{
lock (_stream)
{
if (_stream.Position != e.Position)
{
_stream.Seek(e.Position, SeekOrigin.Begin);
}
var chunk = new byte[e.Length];
_stream.Read(chunk, 0, e.Length);
return(chunk);
}
}
private void FileChunkRequestedHandler(object sender, ToxEventArgs.FileRequestChunkEventArgs e)
{
if (IsPlaceholder || !IsThisTransfer(e))
{
return;
}
var chunk = GetNextChunk(e);
var successfulChunkSend = _toxModel.FileSendChunk(e.FriendNumber, e.FileNumber, e.Position, chunk);
if (successfulChunkSend)
{
if (IsFinished)
{
_fileTransferResumer.RemoveTransfer(_friendNumber, _fileNumber);
State = FileTransferState.Finished;
}
}
}
private void FileChunkRequestedHandler(object sender, ToxEventArgs.FileRequestChunkEventArgs e)
{
var transferId = new TransferId(e.FriendNumber, e.FileNumber);
if (IsTransferFinished(transferId))
{
return;
}
var currentTransfer = _transfers[transferId];
var chunk = currentTransfer.GetNextChunk(e);
var successfulChunkSend = _toxModel.FileSendChunk(e.FriendNumber, e.FileNumber, e.Position, chunk);
if (successfulChunkSend)
{
if (currentTransfer.IsFinished())
{
HandleFinishedUpload(transferId);
}
}
}
private void FileChunkRequestedHandler(object sender, ToxEventArgs.FileRequestChunkEventArgs e)
{
FileChunkRequested?.Invoke(this, e);
}
private void OnToxFileChunkRequested(object sender, ToxEventArgs.FileRequestChunkEventArgs e)
{
this.Tox.FileControl(e.FriendNumber, e.FileNumber, ToxFileControl.Cancel);
Logger.Log(LogLevel.Warning, "ToxFileChunkRequested not supported, canceled");
}