protected void OptionallyCloseResponseStreamAndSetSuccess <T>(
ITransportRequestState requestState,
OrientdbServerError error,
OrientdbResponse <T> typedResponse,
OrientdbResponse <Stream> streamResponse)
{
if (streamResponse.Response != null && !typeof(Stream).IsAssignableFrom(typeof(T)))
{
streamResponse.Response.Close();
}
if (error != null)
{
typedResponse.Success = false;
if (typedResponse.OriginalException == null)
{
typedResponse.OriginalException = new OrientdbServerException(error);
}
}
//TODO UNIT TEST OR BEGONE
if (!typedResponse.Success &&
requestState.RequestConfiguration != null &&
requestState.RequestConfiguration.AllowedStatusCodes.HasAny(i => i == streamResponse.HttpStatusCode))
{
typedResponse.Success = true;
}
}
private OrientdbResponse <T> CoordinateRequest <T>(TransportRequestState <T> requestState, int maxRetries,
int retried, ref bool aliveResponse)
{
OrientdbResponse <T> pingRetryRequest = SelectNextNode(requestState);
if (pingRetryRequest != null)
{
return(pingRetryRequest);
}
OrientdbResponse <Stream> streamResponse = DoOrientdbCall(requestState);
aliveResponse = streamResponse.SuccessOrKnownError;
if (!DoneProcessing(streamResponse, requestState, maxRetries, retried))
{
return(null);
}
OrientdbServerError error = null;
OrientdbResponse <T> typedResponse = ReturnStreamOrVoidResponse(requestState, streamResponse)
?? ReturnTypedResponse(requestState, streamResponse, out error);
OptionallyCloseResponseStreamAndSetSuccess(requestState, error, typedResponse, streamResponse);
if (error != null && _settings.ThrowOnOrientdbServerExceptions)
{
throw new OrientdbServerException(error);
}
return(typedResponse);
}
protected OrientdbServerError GetErrorFromStream <T>(Stream stream)
{
try
{
var e = _serializer.Deserialize <OneToOneServerException>(stream);
return(OrientdbServerError.Create(e));
}
// ReSharper disable once EmptyGeneralCatchClause
// parsing failure of exception should not be fatal, its a best case helper.
catch
{
}
return(null);
}
private OrientdbResponse <T> ReturnTypedResponse <T>(
TransportRequestState <T> requestState,
OrientdbResponse <Stream> streamResponse,
out OrientdbServerError error)
{
error = null;
// Read to memory stream if needed
bool hasResponse = streamResponse.Response != null;
bool forceRead = _settings.KeepRawResponse || typeof(T) == typeof(string) || typeof(T) == typeof(byte[]);
byte[] bytes = null;
if (hasResponse && forceRead)
{
MemoryStream ms = _memoryStreamProvider.New();
streamResponse.Response.CopyTo(ms);
bytes = ms.ToArray();
streamResponse.Response.Close();
streamResponse.Response = ms;
streamResponse.Response.Position = 0;
}
// Set rawresponse if needed
if (_settings.KeepRawResponse)
{
streamResponse.ResponseRaw = bytes;
}
bool isValidResponse = IsValidResponse(requestState, streamResponse);
if (isValidResponse)
{
return(StreamToTypedResponse <T>(streamResponse, requestState, bytes));
}
// If error read error
error = GetErrorFromStream <T>(streamResponse.Response);
OrientdbResponse <T> typedResponse = OrientdbResponse.CloneFrom(streamResponse, default(T));
SetStringOrByteResult(typedResponse, bytes);
return(typedResponse);
}
