private IFtpChannel OpenDataChannel()
{
FtpServerResponse response = SendCommand("PASV");
if (response.ReturnCode != (int)FtpReturnCode.EnteringPassiveMode)
{
throw FtpException("Could not upload file", response);
}
string responseMessage = response.Message;
int openBracketIndex = responseMessage.IndexOf('(');
if (openBracketIndex < 0)
{
throw new FtpException("Unexpected response message: '{0}'".Fmt(responseMessage));
}
int start = openBracketIndex + 1;
int closeBracketIndex = responseMessage.IndexOf(')', start);
if (closeBracketIndex < 0)
{
throw new FtpException("Unexpected response message: '{0}'".Fmt(responseMessage));
}
int length = closeBracketIndex - start;
string[] splits = responseMessage.Substring(start, length).Split(',');
Contract.Assert(splits.Length >= 6);
byte[] addressBytes = new byte[4];
for (int i = 0; i < 4; i++)
{
addressBytes[i] = byte.Parse(splits[i], CultureInfo.InvariantCulture);
}
int dataChannelPort = int.Parse(splits[4], CultureInfo.InvariantCulture) * 256
+ int.Parse(splits[5], CultureInfo.InvariantCulture);
IFtpChannel dataChannel = ftpChannelFactory.CreateChannel();
dataChannel.Connect(addressBytes, dataChannelPort);
return(dataChannel);
}
public void UploadFileWithoutChecks(string localFileName, string remoteFileName)
{
Contract.Requires(localFileName != null);
Contract.Requires(remoteFileName != null);
FtpServerResponse response;
IFtpChannel dataChannel = null;
try
{
dataChannel = OpenDataChannel();
response = SendCommand("STOR {0}", remoteFileName);
if (response.ReturnCode != (int)FtpReturnCode.DataConnectionAlreadyOpen &&
response.ReturnCode != (int)FtpReturnCode.FileStatusOk)
{
throw FtpException("Could not upload file", response);
}
byte[] data = fileSystem.ReadFileAsBytes(localFileName);
if (dataChannel.Send(data) != data.Length)
{
throw new FtpException("Not all of file was uploaded");
}
}
finally
{
if (dataChannel != null)
{
dataChannel.Disconnect();
ftpChannelFactory.Destroy(dataChannel);
}
}
response = ftpCommunicator.ReadResponse();
if (response.ReturnCode != (int)FtpReturnCode.RequestedFileActionOkayCompleted &&
response.ReturnCode != (int)FtpReturnCode.ClosingDataConnection)
{
throw FtpException("Could not upload file", response);
}
}
void IFtpCommunicator.AttachToChannel(IFtpChannel channel)
{
Contract.Requires(channel != null);
}
public void AttachToChannel(IFtpChannel channel)
{
this.channel = channel;
}
