Amazon.CloudWatchLogs.AmazonCloudWatchLogsClient.PutLogEvents C# (CSharp) Method

        public PutLogEventsResponse PutLogEvents(PutLogEventsRequest request)
        {
            var marshaller = new PutLogEventsRequestMarshaller();
            var unmarshaller = PutLogEventsResponseUnmarshaller.Instance;

            return Invoke<PutLogEventsRequest,PutLogEventsResponse>(request, marshaller, unmarshaller);
        }

        void Writer(object sender, ElapsedEventArgs e)
        {
            try
            {
                var logEvents = new List<InputLogEvent>();

                var more = true;
                while (more)
                {
                    InputLogEvent item;
                    more = items.TryTake(out item);
                    if (more)
                        logEvents.Add(item);
                }

                if (logEvents.Count == 0)
                    return;

                if (!Settings.Default.SendUsageData)
                    return;

                using (var logs = new AmazonCloudWatchLogsClient(AwsKeys.AccessKey, AwsKeys.SecretKey, RegionEndpoint.APSoutheast2))
                {
                    var request = new PutLogEventsRequest(AwsKeys.GroupName, LogStreamName, logEvents);

                    var describeLogStreamsRequest = new DescribeLogStreamsRequest(AwsKeys.GroupName);
                    var describeLogStreamsResponse = logs.DescribeLogStreams(describeLogStreamsRequest);
                    var logStreams = describeLogStreamsResponse.LogStreams;
                    var logStream = logStreams.FirstOrDefault(ls => ls.LogStreamName == LogStreamName);
                    if (logStream != null)
                    {
                        var token = logStream.UploadSequenceToken;
                        request.SequenceToken = token;
                        checkResponse(logs.PutLogEvents(request));
                    }
                    else
                    {
                        var createRequest = new CreateLogStreamRequest(AwsKeys.GroupName, LogStreamName);
                        checkResponse(logs.CreateLogStream(createRequest));
                        checkResponse(logs.PutLogEvents(request));
                    }
                }
            }
            catch(Exception ee)
            {
                TraceInfo.WriteLine(ee.Message);
                TraceDebug.WriteLine(ee.StackTrace);
            }
            finally
            {
                if(timer != null)
                    timer.Start();
            }
        }