/// <summary>
/// Fetch a set of messages from a topic.
/// </summary>
/// <param name="request"> specifies the topic name, topic partition, starting byte offset, maximum bytes to be fetched.</param>
/// <returns></returns>
internal FetchResponse Fetch(FetchRequest request)
{
Receive response = null;
var specificTimer = this.fetchRequestAndResponseStats.GetFetchRequestAndResponseStats(this.BrokerInfo).RequestTimer;
var aggregateTimer = this.fetchRequestAndResponseStats.GetFetchRequestAndResponseAllBrokersStats().RequestTimer;
aggregateTimer.Time(() => specificTimer.Time(() => { response = this.SendRequest(request); }));
var fetchResponse = FetchResponse.ReadFrom(response.Buffer);
var fetchedSize = fetchResponse.SizeInBytes;
this.fetchRequestAndResponseStats.GetFetchRequestAndResponseStats(this.BrokerInfo).RequestSizeHist.Update(fetchedSize);
this.fetchRequestAndResponseStats.GetFetchRequestAndResponseAllBrokersStats().RequestSizeHist.Update(fetchedSize);
return(fetchResponse);
}
