public void Send(Message message)
{
string?exception = null;
if (message.Exception != null)
{
exception = "";
using StringReader reader = new StringReader(message.Exception.ToString());
for (string?line = reader.ReadLine(); line != null; line = reader.ReadLine())
{
exception += line + "\n";
}
}
SplunkEvent splunkEvent = new SplunkEvent
{
Event = new Fields
{
{ "Time", message.Time },
{ "Level", message.Level.ToString() },
{ "Text", message.Text },
{ "Meta", message.Meta },
{ "Exception", exception },
{ "MemberName", message.MemberName },
{ "SourceFilePath", message.SourceFilePath },
{ "SourceLineNumber", message.SourceLineNumber }
},
Host = Host,
Index = Index,
Source = Source,
SourceType = SourceType
};
string content = JsonConvert.SerializeObject(splunkEvent);
HttpRequestMessage request = new HttpRequestMessage(
HttpMethod.Post,
_url
);
request.Content = new StringContent(content, Encoding.UTF8, "application/json");
Task <HttpResponseMessage> task = _httpClient.SendAsync(request);
HttpResponseMessage result = task.Result;
if (task.Exception != null)
{
throw task.Exception;
}
if (!result.IsSuccessStatusCode)
{
Console.WriteLine("Failed to send message to Splunk: " + result.Content.ReadAsStringAsync().Result);
}
}
private async Task ProcessQueue()
{
try
{
do
{
var count = 0;
var events = new Queue<LogEvent>();
LogEvent next;
while (count < _batchSizeLimitLimit && _queue.TryDequeue(out next))
{
count++;
events.Enqueue(next);
}
if (events.Count == 0)
return;
string allEvents = string.Empty;
foreach (var logEvent in events)
{
var sw = new StringWriter();
_jsonFormatter.Format(logEvent, sw);
var serialisedEvent = sw.ToString();
var splunkEvent = new SplunkEvent(serialisedEvent, _source, _sourceType, _host, _index);
allEvents = $"{allEvents}{splunkEvent.Payload}";
}
var request = new EventCollectorRequest(_splunkHost, allEvents);
var response = await _httpClient.SendAsync(request);
if (response.IsSuccessStatusCode)
{ //Do Nothing?
}
else
{
//Application Errors sent via HTTP Event Collector
if (HttpEventCollectorApplicationErrors.Any(x => x == response.StatusCode))
{
SelfLog.WriteLine("A status code of {0} was received when attempting to send to {1}. The event has been discarded and will not be placed back in the queue.", response.StatusCode.ToString(), _splunkHost);
}
else
{
//Put the item back in the queue & retry on next go
SelfLog.WriteLine("A status code of {0} was received when attempting to send to {1}. The event has been placed back in the queue", response.StatusCode.ToString(), _splunkHost);
foreach (var logEvent in events)
{
_queue.Enqueue(logEvent);
}
}
}
} while (true);
}
catch (Exception ex)
{
SelfLog.WriteLine("Exception while emitting batch from {0}: {1}", this, ex);
}
}
