public async Task<bool> WriteAsync(IReadOnlyCollection<EventData> events, CancellationToken cancellationToken)
{
Guard.ArgumentNotNull(events, "events");
if(!events.Any())
{
return false;
}
try
{
string logMessages;
using (var serializer = new ElasticSearchEventDataSerializer(_index, _type))
{
logMessages = serializer.Serialize(events);
}
using (var client = new HttpClient())
{
var resp = await _retryPolicy.ExecuteAsync(async () =>
{
var content = new StringContent(logMessages);
content.Headers.ContentType = new MediaTypeHeaderValue("application/json");
var response = await client.PostAsync(_elasticsearchUrl, content, cancellationToken).ConfigureAwait(false);
if(response.StatusCode != HttpStatusCode.OK)
{
await HandleErrorResponse(response);
}
//This is for retry strategy. If response is not successful it will raise an exception catched by the retry strategy.
response.EnsureSuccessStatusCodeEx();
return response;
});
}
return true;
}
catch (Exception ex)
{
//If a non-transient error has ocurred or if we ran out of attempts.
WarmStorageEventSource.Log.WriteToElasticSearchError(ex);
return false;
}
}
public async Task <bool> WriteAsync(IReadOnlyCollection <EventData> events, CancellationToken cancellationToken)
{
Guard.ArgumentNotNull(events, "events");
if (!events.Any())
{
return(false);
}
try
{
string logMessages;
using (var serializer = new ElasticSearchEventDataSerializer(_index, _type))
{
logMessages = serializer.Serialize(events);
}
using (var client = new HttpClient())
{
var resp = await _retryPolicy.ExecuteAsync(async() =>
{
var content = new StringContent(logMessages);
content.Headers.ContentType = new MediaTypeHeaderValue("application/json");
var response = await client.PostAsync(_elasticsearchUrl, content, cancellationToken).ConfigureAwait(false);
if (response.StatusCode != HttpStatusCode.OK)
{
await HandleErrorResponse(response);
}
//This is for retry strategy. If response is not successful it will raise an exception catched by the retry strategy.
response.EnsureSuccessStatusCodeEx();
return(response);
});
}
return(true);
}
catch (Exception ex)
{
//If a non-transient error has ocurred or if we ran out of attempts.
WarmStorageEventSource.Log.WriteToElasticSearchError(ex);
return(false);
}
}