public T Dequeue(CancellationContext cancellationContext)
{
if (cancellationContext == null)
{
this.consumerSemaphore.WaitOne();
}
else if (WaitHandle.WaitAny(new WaitHandle[]
{
cancellationContext.StopToken.WaitHandle,
this.consumerSemaphore
}) != 1)
{
ServiceLogger.LogDebug(ServiceLogger.Component.LogReader, LogUploaderEventLogConstants.Message.LogBatchEnqueue, string.Format("Enqueue: called : Type={0}, thread={1}, queueSize={2}, capacity={3} ?---InDequeueEmptySkip ", new object[]
{
typeof(T),
Thread.CurrentThread.ManagedThreadId,
this.queue.Count,
this.Capacity
}), "", "");
return(default(T));
}
return(this.Dequeue());
}
public InputBuffer(int batchSizeInBytes, long beginOffset, ILogFileInfo logFileInfoObj, ThreadSafeQueue <T> logDataBatchQueue, string prefix, ILogMonitorHelper <T> logMonitorHelper, int messageBatchFlushInterval, CancellationContext cancelContext, int maxBatchCount, string instanceName = null)
{
if (batchSizeInBytes <= 0)
{
throw new ArgumentOutOfRangeException("batchSizeInByte", "The batch size should be greater than 0.");
}
if (beginOffset < 0L)
{
throw new ArgumentOutOfRangeException("beginOffset", "The beginOffset should be equal or greater than 0.");
}
if (logDataBatchQueue == null)
{
throw new ArgumentNullException("logDataBatchQueue cannot be null.");
}
if (messageBatchFlushInterval < 0)
{
throw new ArgumentOutOfRangeException("messageBatchFlushInterval", "The messageBatchFlushInterval must not be a negative number.");
}
ArgumentValidator.ThrowIfNull("logFileInfoObj", logFileInfoObj);
ArgumentValidator.ThrowIfNull("watermarkFileRef", logFileInfoObj.WatermarkFileObj);
if (string.IsNullOrEmpty(logFileInfoObj.FullFileName))
{
throw new ArgumentException("fullLogName cannot be null or emtpy.");
}
ArgumentValidator.ThrowIfNull("cancelContext", cancelContext);
this.cancellationContext = cancelContext;
this.messageBatchFlushInterval = messageBatchFlushInterval;
this.batchSizeInBytes = batchSizeInBytes;
this.logDataBatchQueue = logDataBatchQueue;
this.watermarkFileRef = logFileInfoObj.WatermarkFileObj;
this.maximumBatchCount = ((maxBatchCount <= 0) ? int.MaxValue : maxBatchCount);
this.lastFluchCheckTime = DateTime.UtcNow;
this.logMonitorHelper = logMonitorHelper;
this.fullLogName = logFileInfoObj.FullFileName;
this.instance = (string.IsNullOrEmpty(instanceName) ? prefix : instanceName);
this.logPrefix = prefix;
this.perfCounterInstance = PerfCountersInstanceCache.GetInstance(this.instance);
this.shouldBufferBatches = this.ShouldBufferBatches();
this.CreateNewBatch(beginOffset);
if (this.shouldBufferBatches)
{
MessageBatchBase messageBatchBase = this.activeBatch as MessageBatchBase;
if (messageBatchBase != null)
{
messageBatchBase.MessageBatchFlushInterval = this.messageBatchFlushInterval;
}
}
}
