internal void SendMessage(SftpMessage sftpMessage)
{
var messageData = sftpMessage.GetBytes();
var data = new byte[4 + messageData.Length];
((uint)messageData.Length).GetBytes().CopyTo(data, 0);
messageData.CopyTo(data, 4);
SendData(data);
}
public SftpDataMessage(uint localChannelNumber, SftpMessage sftpMessage)
{
this.LocalChannelNumber = localChannelNumber;
var messageData = sftpMessage.GetBytes();
var data = new byte[4 + messageData.Length];
((uint)messageData.Length).GetBytes().CopyTo(data, 0);
messageData.CopyTo(data, 4);
this.Data = data;
}
protected override void OnDataReceived(uint dataTypeCode, byte[] data)
{
// Add channel data to internal data holder
_data.AddRange(data);
while (_data.Count > 4 + 1)
{
// Extract packet length
var packetLength = (_data[0] << 24 | _data[1] << 16 | _data[2] << 8 | _data[3]);
// Check if complete packet data is available
if (_data.Count < packetLength + 4)
{
// Wait for complete message to arrive first
break;
}
_data.RemoveRange(0, 4);
// Create buffer to hold packet data
var packetData = new byte[packetLength];
// Cope packet data to array
_data.CopyTo(0, packetData, 0, packetLength);
// Remove loaded data from _data holder
_data.RemoveRange(0, packetLength);
// Load SFTP Message and handle it
var response = SftpMessage.Load(ProtocolVersion, packetData, Encoding);
try
{
var versionResponse = response as SftpVersionResponse;
if (versionResponse != null)
{
ProtocolVersion = versionResponse.Version;
_supportedExtensions = versionResponse.Extentions;
_sftpVersionConfirmed.Set();
}
else
{
HandleResponse(response as SftpResponse);
}
}
catch (Exception exp)
{
RaiseError(exp);
break;
}
}
}
