/// <summary>
/// Make connection to the Rserve.
/// </summary>
public void Connect()
{
s = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IPAddress address = IPAddress.Parse(host);
Byte[] dane = new Byte[32];
Int32 recvCount = 0;
try
{
IPEndPoint endPoint = new IPEndPoint(address, port);
s.Connect(endPoint);
recvCount = s.Receive(dane, 32, SocketFlags.None); //receive data from host
receivedBytesCount += 32;
}
catch (Exception ex)
{
throw new RconnectionException(ex.Message);
}
if (recvCount != 32)
{
throw new RconnectionException("Handshake failed: expected 32 bytes header, got " + recvCount.ToString());
}
/* checking that the response from Rserve is correct */
String receivedID = ASCIIEncoding.ASCII.GetString(dane, 0, dane.Length);
if (String.Compare(receivedID, 0, myID, 0, 4) != 0)
{
throw new RconnectionException("Invalid IDstring");
}
if (String.Compare(receivedID, 8, myID, 8, 4) != 0)
{
throw new RconnectionException("Protocol not supported");
}
rserveVersion = Convert.ToInt32(receivedID.Substring(4, 4));
/* authentication checking */
Int32 pos = 16;
while (pos <= 27)
{
String tmp = receivedID.Substring(pos, 4);
if (String.Equals(tmp, "ARuc"))
{
authReq = true;
ARtype = authTypes.crypt;
key = receivedID.Substring(pos + 5, 3);
}
if (String.Equals(tmp, "ARpt"))
{
if (!authReq)
{
authReq = true;
ARtype = authTypes.plain;
}
}
pos += 4;
}
}
/// <summary>
/// Make connection to the Rserve.
/// </summary>
public void Connect()
{
s = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IPAddress address = IPAddress.Parse(host);
Byte[] dane = new Byte[32];
Int32 recvCount = 0;
try
{
IPEndPoint endPoint = new IPEndPoint(address, port);
s.Connect(endPoint);
recvCount = s.Receive(dane, 32, SocketFlags.None); //receive data from host
receivedBytesCount += 32;
}
catch (Exception ex)
{
throw new RconnectionException(ex.Message);
}
if (recvCount != 32)
{
throw new RconnectionException("Handshake failed: expected 32 bytes header, got " + recvCount.ToString());
}
/* checking that the response from Rserve is correct */
String receivedID = ASCIIEncoding.ASCII.GetString(dane, 0, dane.Length);
if (String.Compare(receivedID, 0, myID, 0, 4) != 0)
{
throw new RconnectionException("Invalid IDstring");
}
if (String.Compare(receivedID, 8, myID, 8, 4) != 0)
{
throw new RconnectionException("Protocol not supported");
}
rserveVersion = Convert.ToInt32(receivedID.Substring(4, 4));
/* authentication checking */
Int32 pos = 16;
while (pos <= 27)
{
String tmp = receivedID.Substring(pos, 4);
if (String.Equals(tmp, "ARuc"))
{
authReq = true;
ARtype = authTypes.crypt;
key = receivedID.Substring(pos + 5, 3);
}
if (String.Equals(tmp, "ARpt"))
{
if (!authReq)
{
authReq = true;
ARtype = authTypes.plain;
}
}
pos += 4;
}
}
