/// <summary>
/// Sends an APDU to the connected device
/// </summary>
/// <param name="apdu">The APDU to send</param>
// Revision History
// MM/DD/YY who Version Issue# Description
// -------- --- ------- ------ ---------------------------------------
// 05/21/13 RCG 2.80.32 N/A Created
public void SendAPDU(xDLMSAPDU apdu)
{
if (IsOpen && apdu != null)
{
WPDU Wrapper = new WPDU(ClientPort, ServerPort, apdu.Data);
m_Logger.WriteLine(Logger.LoggingLevel.Detailed, "Sending APDU. Type: " + EnumDescriptionRetriever.RetrieveDescription(apdu.Tag));
Send(Wrapper.Data);
}
}
/// <summary>
/// Parses any WPDU's found in the data
/// </summary>
// Revision History
// MM/DD/YY who Version Issue# Description
// -------- --- ------- ------ ---------------------------------------
// 02/04/12 RCG 2.70.63 N/A Created
private void ParseWPDUData()
{
lock (m_LowLevelDataBuffer)
{
while (m_LowLevelDataBuffer.Count > 0)
{
int WPDUStart = WPDU.FindStartOfWPDU(ServerPort, ClientPort, m_LowLevelDataBuffer);
if (WPDUStart > 0)
{
// We have some extra data at the start that we can go ahead and throw out
m_LowLevelDataBuffer.RemoveRange(0, WPDUStart);
// Set the start index to 0 since we got rid of the extra data
WPDUStart = 0;
}
if (WPDUStart == 0)
{
try
{
MemoryStream DataStream = new MemoryStream(m_LowLevelDataBuffer.ToArray());
WPDU NewWPDU = new WPDU();
NewWPDU.Parse(DataStream);
// The High Level Buffer contains the raw APDU data
lock (m_HighLevelDataBuffer)
{
m_HighLevelDataBuffer.AddRange(NewWPDU.Payload);
}
m_LowLevelDataBuffer.RemoveRange(0, (int)DataStream.Position);
m_Logger.WriteLine(Logger.LoggingLevel.Detailed, "WPDU Received.");
}
catch (Exception ex)
{
// We failed to parse the WPDU which must mean we don't have enough data so we can break out of the loop
m_Logger.WriteLine(Logger.LoggingLevel.Detailed, "WPDU Parse failure. Reason: " + ex.Message);
break;
}
}
}
}
}
