public LogCastClient([NotNull] LogCastOptions options, [NotNull] IFallbackLogger fallbackLogger)
{
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
if (fallbackLogger == null)
{
throw new ArgumentNullException(nameof(fallbackLogger));
}
if (options.Endpoint == null)
{
fallbackLogger.Write("Endpoint cannot be null reference");
throw new ArgumentException("Endpoint can not be null reference", nameof(options));
}
if (options.Throttling < 10)
{
fallbackLogger.Write("Throttling cannot be less than 10");
throw new ArgumentException("Throttling can not be less than 10", nameof(options));
}
_options = options;
_fallbackLogger = fallbackLogger;
_queue = new BlockingCollection <LogCastMessageFactory>();
var sendingThreadCount = _options.SendingThreadCount;
var threadCount = sendingThreadCount > 0 ? sendingThreadCount : 4;
_countEvent = new CountEvent();
Threads = Enumerable
.Range(0, threadCount)
.Select(i => new Thread(Sender)
{
IsBackground = true
})
.ToArray();
foreach (var thread in Threads)
{
thread.Start();
}
}
private void Sender()
{
var threadId = Thread.CurrentThread.ManagedThreadId;
var timeoutMsec = (int)_options.SendTimeout.TotalMilliseconds;
int dropCount = 0;
int retryCount = 0;
foreach (var messageFactory in _queue.GetConsumingEnumerable())
{
try
{
if (ConsumeDocument(threadId, messageFactory, timeoutMsec, dropCount, retryCount, out var newRetries))
{
dropCount = 0;
retryCount = 0;
}
else
{
++dropCount;
}
retryCount += newRetries;
}
catch (Exception ex)
{
try
{
var queueLength = _queue.Count;
_fallbackLogger.Write(ex,
"UNHANDLED ERROR",
Stats(threadId, ++dropCount, retryCount, queueLength));
}
catch
{
}
}
finally
{
_countEvent.Decrease();
}
}
}
public void Log(string loggerName, LogLevel level, string message, Exception exception, LogProperty[] properties)
{
if (!IsLevelEnabled(level))
{
return;
}
try
{
var logMessage = CreateMessage(loggerName, level, message, exception, properties);
_messageRouter.DispatchMessage(logMessage);
}
catch (Exception ex)
{
_fallbackLogger?.Write(ex,
$"Failed to dispatch a message. Original message: [{loggerName}] {message}");
}
}
