private void OnUploadProgressAsync(UploadProgressEventArgs e)
{
var handler = this.UploadProgress;
if (handler != null)
{
handler.BeginInvoke(this,
e,
handler.EndInvoke,
null);
}
}
public async Task<bool> UploadAsync(Stream stream,
FtpFile ftpFile,
CancellationToken cancellationToken,
bool createDirectoryIfNotExists = true)
{
using (await this._mutex.LockAsync(cancellationToken))
{
var controlComplexSocket = await this.EnsureConnectionAndAuthenticationAsync(cancellationToken);
if (controlComplexSocket == null)
{
return false;
}
{
var success = await this.GotoParentDirectoryAsync(controlComplexSocket,
ftpFile,
cancellationToken,
createDirectoryIfNotExists);
if (!success)
{
return false;
}
}
// sending PASV
// reading PASV
var transferComplexSocket = await this.GetPassiveComplexSocketAsync(controlComplexSocket,
cancellationToken);
if (transferComplexSocket == null)
{
return false;
}
FtpReply ftpReply;
using (transferComplexSocket)
{
// sending STOR
// open transfer socket
// reading STOR (150 ...)
var success = await this.SendAndLogAsync(controlComplexSocket,
cancellationToken,
"STOR {0}",
ftpFile.FileName);
if (!success)
{
return false;
}
success = await transferComplexSocket.ConnectAsync(cancellationToken);
if (!success)
{
return false;
}
ftpReply = await this.ReceiveAndLogAsync(controlComplexSocket,
cancellationToken);
if (!ftpReply.Success)
{
return false;
}
{
// sending transfer socket
success = await transferComplexSocket.Socket.SendAsync(this.ChunkSendBufferSize,
controlComplexSocket.GetSocketAsyncEventArgs,
stream,
cancellationToken,
(bytesSent,
bytesTotal) =>
{
var uploadProgressEventArgs = new UploadProgressEventArgs(bytesSent,
bytesTotal);
this.OnUploadProgressAsync(uploadProgressEventArgs);
});
if (!success)
{
return false;
}
}
}
if (!ftpReply.Completed)
{
// reading STOR (226 ...)
ftpReply = await this.ReceiveAndLogAsync(controlComplexSocket,
cancellationToken);
if (!ftpReply.Success)
{
return false;
}
}
}
return true;
}
