private async Task <IResponse> InvokeRemoteMethodAsync(IRequest request)
{
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
var invokeResult = await _asyncCoupler.WaitOnAsync(
async() => await _client.TransmitAsync(request),
request.CorrelationId,
_requestTimeout);
if (invokeResult == null)
{
throw new NullReferenceException(nameof(invokeResult));
}
// timeout is the only likely failure case
if (!invokeResult.Successful)
{
if (invokeResult.Errors == null)
{
throw new NullReferenceException($"RPC for {request.DestinationPath} failed, {nameof(invokeResult)}.{nameof(invokeResult.Errors)} is null.");
}
var error = invokeResult.Errors.FirstOrDefault();
if (error != null)
{
throw new RpcException($"RPC for {request.DestinationPath} failed, {error.Message}");
}
}
if (invokeResult.Result == null)
{
throw new NullReferenceException($"RPC for {request.DestinationPath} failed, {nameof(invokeResult)}.{nameof(invokeResult.Result)} is null.");
}
return((IResponse)invokeResult.Result);
}