void onException(object _sender, Receiver.AsyncEventArgs _args)
{
if (null != OnException)
{
OnException(this, newArgs(_args, _args.msg));
}
}
void onDataReceived(object _sender, Receiver.AsyncEventArgs _args)
{
int currentBlockSize = _args.state.currentBlockSize;
int fileBlockSize = currentBlockSize;
int fileReceivedSize = currentBlockSize;
int offset = 0;
if (_args.state.writer.stream.Position == 0)
{
if (_args.state.currentBlockSize >= Header.Size)
{
_args.state.writer.size = Convert.BytesToInt64(_args.state.Buffer, 0);
int nameLength = Convert.BytesToInt32(_args.state.Buffer, 8);
_args.state.writer.filename = Encoding.UTF8.GetString(_args.state.Buffer, 8 + 4, nameLength);
fileBlockSize = _args.state.currentBlockSize - Header.Size;
fileReceivedSize = _args.state.currentBlockSize - Header.Size;
offset = Header.Size;
}
}
_args.state.writer.stream.Write(_args.state.Buffer, offset, fileBlockSize);
_args.state.receivedSize += fileReceivedSize;
if (null != OnReceive)
{
OnReceive(this, newArgs(_args, ""));
}
}
protected override void handleClientDisconnected(Receiver.AsyncEventArgs _args)
{
_args.state.writer.stream.Flush();
_args.state.writer.stream.Close();
_args.state.writer.stream.Dispose();
_args.state.writer = null;
}
void onNetError(object _sender, Receiver.AsyncEventArgs _args)
{
if (null != OnError)
{
OnError(this, newArgs(_args, _args.msg));
}
}
void onClientDisconnected(object _sender, Receiver.AsyncEventArgs _args)
{
if (null != OnFinish)
{
OnFinish(this, newArgs(_args, ""));
}
handleClientDisconnected(_args);
}
void onClientConnected(object _sender, Receiver.AsyncEventArgs _args)
{
handleClientConnected(_args);
if (null != this.OnReady)
{
OnReady(this, newArgs(_args, ""));
}
}
protected override void handleClientConnected(Receiver.AsyncEventArgs _args)
{
if (!Directory.Exists(directory))
{
throw new DirectoryNotFoundException(directory);
}
_args.state.writer.guid = Guid.NewGuid().ToString();
string file = Path.Combine(directory, _args.state.writer.guid + ".tmp");
_args.state.writer.stream = File.Open(file, FileMode.Create, FileAccess.Write);
}
protected override void handleClientDisconnected(Receiver.AsyncEventArgs _args)
{
_args.state.writer.stream.Flush();
bool isComplete = _args.state.writer.stream.Length + Header.Size == _args.state.writer.size;
_args.state.writer.stream.Close();
_args.state.writer.stream.Dispose();
string tmpFile = Path.Combine(directory, _args.state.writer.guid + ".tmp");
string distFile = Path.Combine(directory, _args.state.writer.filename);
if (isComplete)
{
File.Move(tmpFile, distFile);
}
else
{
File.Delete(tmpFile);
}
}
protected abstract void handleClientDisconnected(Receiver.AsyncEventArgs _args);
private AsyncEventArgs newArgs(Receiver.AsyncEventArgs _args, string _message)
{
return(new AsyncEventArgs(_args.state.writer.filename, _args.state.writer.size - Header.Size, _message, _args.state.writer.stream));
}
protected override void handleClientConnected(Receiver.AsyncEventArgs _args)
{
_args.state.writer.guid = Guid.NewGuid().ToString();
_args.state.writer.stream = new MemoryStream();
}
