public BacnetService(IBacnetTransport transport) : base(transport)
{
}
public BacnetClient(IBacnetTransport transport, int timeout = 1000, int retries = 3)
{
m_client = transport;
m_timeout = timeout;
m_retries = retries;
DefaultSegmentationHandling = true;
}
public void Dispose()
{
m_client?.Dispose();
m_client = null;
}
private void OnRecieve(IBacnetTransport sender, byte[] buffer, int offset, int msg_length, BacnetAddress remote_address)
{
try
{
//finish receive
if (m_client == null) return; //we're disposed
//parse
if (msg_length > 0)
{
BacnetNpduControls npdu_function;
BacnetAddress destination, source;
byte hop_count;
BacnetNetworkMessageTypes nmt;
ushort vendor_id;
int npdu_len = NPDU.Decode(buffer, offset, out npdu_function, out destination, out source, out hop_count, out nmt, out vendor_id);
// Modif FC
remote_address.RoutedSource = source;
if ((npdu_function & BacnetNpduControls.NetworkLayerMessage) == BacnetNpduControls.NetworkLayerMessage)
{
Trace.TraceInformation("Network Layer message received");
return; // Network Layer message discarded
}
if (npdu_len > 0)
{
offset += npdu_len;
msg_length -= npdu_len;
BacnetPduTypes apdu_type;
if (msg_length > 0)
{
apdu_type = APDU.GetDecodedType(buffer, offset);
//APDU
ProcessApdu(remote_address, apdu_type, buffer, offset, msg_length);
}
}
}
}
catch (Exception ex)
{
Trace.TraceError("Error in OnRecieve: " + ex.Message);
}
}
