private string ReadResponse()
{
try
{
System.Text.RegularExpressions.Regex regex = new System.Text.RegularExpressions.Regex(@"\d{3}\s.+");
string response = String.Empty;
System.Text.ASCIIEncoding enc = new System.Text.ASCIIEncoding();
byte[] serverbuff = new Byte[1024];
NetworkStream stream = GetStream();
if (!stream.CanRead)
{
throw new MailException("Stream could not be read.");
}
int count = 0;
// read until last response has been received
// (indicated by whitespace after the numerical response code)
do
{
int LoopTimeout = 0;
if (stream.DataAvailable)
{
count = stream.Read(serverbuff, 0, serverbuff.Length);
response = String.Concat(response, enc.GetString(serverbuff, 0, count));
}
if ((LoopTimeout += 100) > this._smtpserver.ServerTimeout)
{
throw new MailException("Multiline server response timed out");
}
Thread.Sleep(100);
}while(!regex.IsMatch(response));
_smtpserver.OnLogReceiveSmtp(this, response);
if (_captureConversation)
{
this._smtpserver.AppendConversation(SmtpProxy.SERVER_LOG_PROMPT + response);
}
return(response);
}
catch (Exception ex)
{
//LogError(ex.Message);
throw new MailException("Error while receiving data from server: " + ex.Message, ex);
}
}
