public DCP.BlockErrors SendSetRequest(PhysicalAddress destination, int timeoutMs, int retries, DCP.BlockOptions option, DCP.BlockQualifiers qualifiers, byte[] data)
{
for (int r = 0; r < retries; r++)
{
IAsyncResult asyncResult = BeginSetRequest(destination, option, qualifiers, data);
try
{
return(EndSetRequest(asyncResult, timeoutMs));
}
catch (TimeoutException)
{
//continue
}
}
throw new TimeoutException("No response received");
}
public IAsyncResult BeginSetRequest(PhysicalAddress destination, DCP.BlockOptions option, DCP.BlockQualifiers qualifiers, byte[] data)
{
Trace.WriteLine("Sending Set " + option.ToString() + " request", null);
MemoryStream mem = new MemoryStream();
//ethernet
Ethernet.Encode(mem, destination, adapter.MacAddress, Ethernet.Type.VLanTaggedFrame);
//VLAN
VLAN.Encode(mem, VLAN.Priorities.Priority0, VLAN.Type.PN);
//Profinet Real Time
RT.EncodeFrameId(mem, RT.FrameIds.DCP_Get_Set_PDU);
//Profinet DCP
UInt16 xid = ++lastXid;
DCP.EncodeSetRequest(mem, xid, option, qualifiers, data);
//start Async
return(new ProfinetAsyncDcpResult(this, mem, xid));
}