protected override async Task <IQueryResult <T> > ExecuteQueryAsync <T>(IQueryRequest queryRequest)
{
ApplyCredentials(queryRequest);
var baseUri = ConfigContextBase.GetQueryUri();
var queryResult = new StreamingQueryResult <T>();
using (var content = new StringContent(queryRequest.GetFormValuesAsJson(), System.Text.Encoding.UTF8, MediaType.Json))
{
try
{
var requestMessage = new HttpRequestMessage(HttpMethod.Post, baseUri)
{
Content = content
};
HttpClient.Timeout = TimeSpan.FromMilliseconds(Timeout.Infinite);
Log.TraceFormat("Sending query cid{0}: {1}", queryRequest.CurrentContextId, baseUri);
var response = await HttpClient.SendAsync(requestMessage, HttpCompletionOption.ResponseHeadersRead).ContinueOnAnyContext();
var stream = await response.Content.ReadAsStreamAsync().ContinueOnAnyContext();
{
queryResult = new StreamingQueryResult <T>
{
ResponseStream = stream,
HttpStatusCode = response.StatusCode,
Success = response.StatusCode == HttpStatusCode.OK,
QueryTimer = new QueryTimer(queryRequest, new CommonLogStore(Log), ClientConfig.EnableQueryTiming)
};
Log.TraceFormat("Received query cid{0}: {1}", queryRequest.CurrentContextId, queryResult.HttpStatusCode);
}
baseUri.ClearFailed();
}
catch (HttpRequestException e)
{
Log.InfoFormat("Failed query cid{0}: {1}", queryRequest.CurrentContextId, baseUri);
baseUri.IncrementFailed();
ProcessError(e, queryResult);
Log.Error(e);
}
catch (AggregateException ae)
{
ae.Flatten().Handle(e =>
{
Log.InfoFormat("Failed query cid{0}: {1}", queryRequest.CurrentContextId, baseUri);
ProcessError(e, queryResult);
return(true);
});
}
catch (Exception e)
{
Log.InfoFormat("Failed query cid{0}: {1}", queryRequest.CurrentContextId, baseUri);
Log.Info(e);
ProcessError(e, queryResult);
}
}
return(queryResult);
}
private static void ProcessError <T>(Exception ex, StreamingQueryResult <T> queryResult)
{
const string message = "Check Exception and Error fields for details.";
queryResult.Status = QueryStatus.Fatal;
queryResult.HttpStatusCode = HttpStatusCode.BadRequest;
queryResult.Success = false;
queryResult.Message = message;
queryResult.Exception = ex;
}
protected override async Task <IQueryResult <T> > ExecuteQueryAsync <T>(IQueryRequest queryRequest, CancellationToken cancellationToken)
{
var queryResult = new StreamingQueryResult <T>();
FailureCountingUri baseUri;
if (!TryGetQueryUri(out baseUri))
{
Log.Error(ExceptionUtil.EmptyUriTryingSubmitN1qlQuery);
ProcessError(new InvalidOperationException(ExceptionUtil.EmptyUriTryingSubmitN1QlQuery), queryResult);
return(queryResult);
}
ApplyCredentials(queryRequest);
string body;
using (ClientConfiguration.Tracer.BuildSpan(queryRequest, CouchbaseOperationNames.RequestEncoding).Start())
{
body = queryRequest.GetFormValuesAsJson();
}
using (var content = new StringContent(body, System.Text.Encoding.UTF8, MediaType.Json))
{
try
{
var requestMessage = new HttpRequestMessage(HttpMethod.Post, baseUri)
{
Content = content
};
Log.Trace("Sending query cid{0}: {1}", queryRequest.CurrentContextId, baseUri);
HttpResponseMessage response;
using (ClientConfiguration.Tracer.BuildSpan(queryRequest, CouchbaseOperationNames.DispatchToServer).Start())
{
response = await HttpClient.SendAsync(requestMessage, HttpCompletionOption.ResponseHeadersRead, cancellationToken).ContinueOnAnyContext();
}
var stream = await response.Content.ReadAsStreamAsync().ContinueOnAnyContext();
{
queryResult = new StreamingQueryResult <T>
{
ResponseStream = stream,
HttpStatusCode = response.StatusCode,
Success = response.StatusCode == HttpStatusCode.OK,
QueryTimer = new QueryTimer(queryRequest, new CommonLogStore(Log), ClientConfiguration.EnableQueryTiming),
DecodeSpan = ClientConfiguration.Tracer.BuildSpan(queryRequest, CouchbaseOperationNames.ResponseDecoding).Start()
};
Log.Trace("Received query cid{0}: {1}", queryRequest.CurrentContextId, queryResult.HttpStatusCode);
}
baseUri.ClearFailed();
}
catch (OperationCanceledException e)
{
var operationContext = OperationContext.CreateQueryContext(queryRequest.CurrentContextId, Context.BucketName, baseUri?.Authority);
if (queryRequest is QueryRequest request)
{
operationContext.TimeoutMicroseconds = request.TimeoutValue;
}
Log.Info(operationContext.ToString());
ProcessError(e, queryResult);
}
catch (HttpRequestException e)
{
Log.Info("Failed query cid{0}: {1}", queryRequest.CurrentContextId, baseUri);
baseUri.IncrementFailed();
ProcessError(e, queryResult);
Log.Error(e);
}
catch (AggregateException ae)
{
ae.Flatten().Handle(e =>
{
Log.Info("Failed query cid{0}: {1}", queryRequest.CurrentContextId, baseUri);
ProcessError(e, queryResult);
return(true);
});
}
catch (Exception e)
{
Log.Info("Failed query cid{0}: {1}", queryRequest.CurrentContextId, baseUri);
Log.Info(e);
ProcessError(e, queryResult);
}
}
UpdateLastActivity();
return(queryResult);
}
protected override async Task <IQueryResult <T> > ExecuteQueryAsync <T>(IQueryRequest queryRequest, CancellationToken cancellationToken)
{
var queryResult = new StreamingQueryResult <T>();
FailureCountingUri baseUri;
if (!TryGetQueryUri(out baseUri))
{
Log.Error(ExceptionUtil.EmptyUriTryingSubmitN1qlQuery);
ProcessError(new InvalidOperationException(ExceptionUtil.EmptyUriTryingSubmitN1QlQuery), queryResult);
return(queryResult);
}
ApplyCredentials(queryRequest);
using (var content = new StringContent(queryRequest.GetFormValuesAsJson(), System.Text.Encoding.UTF8, MediaType.Json))
{
try
{
var requestMessage = new HttpRequestMessage(HttpMethod.Post, baseUri)
{
Content = content
};
Log.Trace("Sending query cid{0}: {1}", queryRequest.CurrentContextId, baseUri);
var response = await HttpClient.SendAsync(requestMessage, HttpCompletionOption.ResponseHeadersRead, cancellationToken).ContinueOnAnyContext();
var stream = await response.Content.ReadAsStreamAsync().ContinueOnAnyContext();
{
queryResult = new StreamingQueryResult <T>
{
ResponseStream = stream,
HttpStatusCode = response.StatusCode,
Success = response.StatusCode == HttpStatusCode.OK,
QueryTimer = new QueryTimer(queryRequest, new CommonLogStore(Log), ClientConfiguration.EnableQueryTiming)
};
Log.Trace("Received query cid{0}: {1}", queryRequest.CurrentContextId, queryResult.HttpStatusCode);
}
baseUri.ClearFailed();
}
catch (HttpRequestException e)
{
Log.Info("Failed query cid{0}: {1}", queryRequest.CurrentContextId, baseUri);
baseUri.IncrementFailed();
ProcessError(e, queryResult);
Log.Error(e);
}
catch (AggregateException ae)
{
ae.Flatten().Handle(e =>
{
Log.Info("Failed query cid{0}: {1}", queryRequest.CurrentContextId, baseUri);
ProcessError(e, queryResult);
return(true);
});
}
catch (Exception e)
{
Log.Info("Failed query cid{0}: {1}", queryRequest.CurrentContextId, baseUri);
Log.Info(e);
ProcessError(e, queryResult);
}
}
return(queryResult);
}
