Task <bool> ITransportDelegator.PingAsync(ITransportRequestState requestState)
{
int pingTimeout = Settings.PingTimeout.GetValueOrDefault(DefaultPingTimeout);
pingTimeout = requestState.RequestConfiguration != null
? requestState.RequestConfiguration.ConnectTimeout.GetValueOrDefault(pingTimeout)
: pingTimeout;
var requestOverrides = new RequestConfiguration
{
ConnectTimeout = pingTimeout,
RequestTimeout = pingTimeout
};
IRequestTimings rq = requestState.InitiateRequest(RequestType.Ping);
try
{
return(Connection.Head(requestState.CreatePathOnCurrentNode(""), requestOverrides)
.ContinueWith(t =>
{
if (t.IsFaulted)
{
rq.Finish(false, null);
rq.Dispose();
throw new PingException(requestState.CurrentNode, t.Exception);
}
rq.Finish(t.Result.Success, t.Result.HttpStatusCode);
rq.Dispose();
OrientdbResponse <Stream> response = t.Result;
if (!response.HttpStatusCode.HasValue || response.HttpStatusCode.Value == -1)
{
throw new PingException(requestState.CurrentNode, t.Exception);
}
if (response.HttpStatusCode == (int)HttpStatusCode.Unauthorized)
{
throw new OrientdbAuthenticationException(response);
}
using (response.Response)
return response.Success;
}));
}
catch (OrientdbAuthenticationException)
{
throw;
}
catch (Exception e)
{
var tcs = new TaskCompletionSource <bool>();
var pingException = new PingException(requestState.CurrentNode, e);
tcs.SetException(pingException);
return(tcs.Task);
}
}
private Task <ElasticsearchResponse <T> > HandleStreamResponse <T>(Task <ElasticsearchResponse <Stream> > t, IRequestTimings rq, TransportRequestState <T> requestState)
{
var streamResponse = t.Result;
// Audit the call into connection straight away
rq.Finish(streamResponse != null && streamResponse.Success, streamResponse == null ? -1 : streamResponse.HttpStatusCode);
rq.Dispose();
// Figure out the maximum number of retries, this might
var maxRetries = this._delegator.GetMaximumRetries(requestState.RequestConfiguration);
var retried = requestState.Retried;
// If we haven't recieved a successful response and we are not yet done processing the stream attempt a retry
if (t.Status != TaskStatus.RanToCompletion || !this.DoneProcessing(streamResponse, requestState, maxRetries, retried))
{
return(this.RetryRequestAsync <T>(requestState));
}
// If the response never recieved a status code and has a caught exception make sure we throw it
if (streamResponse.HttpStatusCode.GetValueOrDefault(-1) <= 0 && streamResponse.OriginalException != null)
{
throw streamResponse.OriginalException;
}
// If the user explicitly wants a stream return the undisposed stream
if (typeof(Stream).IsAssignableFrom(typeof(T)))
{
return(this.ReturnResponseAsTask <T>(streamResponse));
}
var readResponseTask = (typeof(VoidResponse).IsAssignableFrom(typeof(T)))
? this.ReturnVoidResponse <T>(streamResponse)
: this.ReturnTypedResponse(streamResponse, requestState);
return(readResponseTask.ContinueWith(gotTypedResponse =>
{
var r = gotTypedResponse.Result;
if (this._settings.KeepRawResponse)
{
r.Response.ResponseRaw = r.Bytes;
}
this.OptionallyCloseResponseStreamAndSetSuccess(requestState, r.Error, r.Response, t.Result);
if (r.Error != null && this._settings.ThrowOnElasticsearchServerExceptions)
{
throw new ElasticsearchServerException(r.Error);
}
if (r.Response.SuccessOrKnownError)
{
this._connectionPool.MarkAlive(requestState.CurrentNode);
}
return r.Response;
}));
}