// Recv-6.11: “Forwarding”
private OM2MResponsePrimitive Fowarding(OM2MRequestPrimitive request)
{
// Check timeout
if (OM2MTimeStamp.IsTimeout((string)request.RequestExpirationTimestamp))
{
throw new OM2MRequestTimeoutException();
}
if (OM2MTimeStamp.IsTimeout((string)request.ResultExpirationTimestamp))
{
throw new OM2MRequestTimeoutException();
}
if (OM2MTimeStamp.IsTimeout((string)request.OperationExecutionTime))
{
throw new OM2MRequestTimeoutException();
}
// Get remote CSE Id
string remoteCseId;
var parts = request.TargetId.Split('/');
if (parts.Length < 2)
{
throw new OM2MNotFoundException("Remote CSE not found");
}
remoteCseId = parts[1];
// ToDo:...
return(null);
}
// 7.3.2.1 Check the validity of received request primitive
// ToDo:
private void ValidateRequest(OM2MRequestPrimitive request)
{
// Relative timestamp to absoule
if (request.RequestExpirationTimestamp != null)
{
try
{
request.RequestExpirationTimestamp = OM2MTimeStamp.GetTimeStamp(request.RequestExpirationTimestamp);
}
catch (Exception ex)
{
Console.Error.WriteLine(ex);
throw new OM2MBadRequestException($"Request expiration timestamp is illegal format: {request.RequestExpirationTimestamp}");
}
}
if (request.ResultExpirationTimestamp != null)
{
try
{
request.ResultExpirationTimestamp = OM2MTimeStamp.GetTimeStamp(request.ResultExpirationTimestamp);
}
catch (Exception ex)
{
Console.Error.WriteLine(ex);
throw new OM2MBadRequestException($"Result expiration timestamp is illegal format: {request.ResultExpirationTimestamp}");
}
}
if (request.RequestExpirationTimestamp != null)
{
bool isTimeOut;
try
{
isTimeOut = OM2MTimeStamp.IsTimeout((string)request.RequestExpirationTimestamp);
}
catch (FormatException ex)
{
Console.Error.WriteLine(ex);
throw new OM2MBadRequestException($"Request expiration timestamp is illegal format: {request.RequestExpirationTimestamp}");
}
if (isTimeOut)
{
throw new OM2MRequestTimeoutException();
}
}
}
public void DoRequest(OM2MRequestPrimitive request, IOM2MOriginator originator)
{
if (!IsInitalized)
{
throw new InvalidOperationException("CseService is not initialized.");
}
try
{
ValidateRequest(request);
}
catch (OM2MException ex)
{
var response = HandleOM2MException(ex, request);
originator.SendResponse(response);
return;
}
catch (Exception ex)
{
var response = HandleOtherException(ex, request);
originator.SendResponse(response);
return;
}
var responseType = OM2MResponseType.BlockingRequest;
if (request.ResponseType != null && request.ResponseType.ResponseTypeValue != null)
{
responseType = request.ResponseType.ResponseTypeValue.Value;
}
if (responseType == OM2MResponseType.NonBlockingRequestAsynch ||
responseType == OM2MResponseType.NonBlockingRequestSynch)
{
// ToDo:
// Recv-3.0: Create <request> resource locally
OM2MRequest req = new OM2MRequest();
req.ResourceType = OM2MResourceType.Request;
req.ExpirationTime = OM2MTimeStamp.GetTimeStamp(request.RequestExpirationTimestamp);
req.CreationTime = OM2MTimeStamp.NowTimeStamp;
req.LastModifiedTime = req.CreationTime;
// ToDo:request.AccessControlPolicyIDs
// ToDo:req.Labels
req.StateTag = 0;
req.Operation = request.Operation;
req.Target = request.To;
req.Originator = request.From;
req.RequestID = request.RequestIdentifier;
// ToDo:request.MetaInformation =
req.PrimitiveContent = request.PrimitiveContent;
req.RequestStatus = OM2MRequestStatus.Pending;
req.OperationResult = null;
// Recv-4.0: Create a success Response
var response = new OM2MResponsePrimitive(CseConfig, request);
response.ResponseStatusCode = OM2MResponseStatusCode.Accepted;
response.OriginatingTimestamp = OM2MTimeStamp.NowTimeStamp;
// Recv-5.0: Send Response primitive
originator.SendResponse(response);
// Recv-6.0: Resource handling procedures
response = DoBlockingRequest(request);
// Recv-7.0: “Update <request> resource”
req.LastModifiedTime = OM2MTimeStamp.NowTimeStamp;
req.StateTag++;
req.RequestStatus = OM2MRequestStatus.Forwarded;
if (responseType == OM2MResponseType.NonBlockingRequestAsynch)
{
// Recv-8.0: “Send Notification”
var notify = new OM2MRequestPrimitive();
notify.RequestIdentifier = Guid.NewGuid().ToString();
notify.Operation = OM2MOperation.Notify;
notify.From = request.TargetId;
notify.To = request.From;
notify.PrimitiveContent = new OM2MPrimitiveContent();
notify.Content = response.Content;
var notifyResponse = originator.SendRequest(notify);
// Recv-9.0: “Wait for Response primitive”
}
}
else
{
var response = DoRequestCore(request);
originator.SendResponse(response);
}
}