public MainWindow(FileLogger logger)
{
Logger = logger;
InitializeComponent();
ShutDownButton.IsEnabled = false;
EventProcessor.OnUpdatedInfo += HandleEventProcessorInfo;
App.Engine.OnStateChanged += HandleEngineStateChange;
App.Engine.OnNewAnalyzerInfo += HandleAnalyzerInfo;
Task.Run(() =>
{
while (true)
{
MessageAggregator.Collection.Clear();
for (var i = 0; i < 50; ++i)
{
if (App.Engine.EngineMessages.TryDequeue(out var msg))
{
MessageAggregator.AddMessage(msg, msg.Message.GenerateMessageIdentifierFromString());
}
}
foreach (var messageTracker in MessageAggregator.Collection)
{
MesseageOutputQueue.Enqueue($"{messageTracker.Value.Message} | {messageTracker.Value.AmountCounter} times from {messageTracker.Value.FirstOccurrence} to {messageTracker.Value.LastOccurrence}");
}
for (int i = 1; i <= 14; ++i)
{
if (MesseageOutputQueue.TryDequeue(out string message))
{
//UpdateMessageBox($"{DateTime.UtcNow}\t{message}{Environment.NewLine}");
Logger.AddRow(message);
SnapShotGenerator.AddMessageToSnapShot(DateTime.UtcNow, message);
}
}
}
});
Task.Run(() =>
{
while (true)
{
UpdateSnapshotAnalyzerInfo();
Task.Delay(4000).Wait();
}
});
StartUpdateSelectedAnalyzerTask();
}
private static void Main(string[] args)
{
SetWindowSize(WindowWidth, WindowHeight);
Clear();
var storageConnection = ConfigurationManager.AppSettings["AzureStorageConnectionString"];
var eventhubConnS = ConfigurationManager.AppSettings["Microsoft.ServiceBus.ConnectionString.Listen"];
Eventhubpath = ConfigurationManager.AppSettings["EventHubPath"];
var alarmQueueConnS = ConfigurationManager.AppSettings["ServiceBus.Queue.Connectionstring"];
var alarmQueueName = ConfigurationManager.AppSettings["ServiceBus.Queue.Name"];
WriteLineAndLog("Starting analyzer for hub: " + Eventhubpath);
var alarmQueue = new ServiceBusConnection <AlarmMessage>(alarmQueueConnS, alarmQueueName);
var alarmManger = new AlarmMessageManager(alarmQueue);
var ruleStorage = new DocumentDBRuleStorage(ConfigurationManager.AppSettings["DocDBEndPointUrl"], ConfigurationManager.AppSettings["AuthorizationKey"], ConfigurationManager.AppSettings["RuleDatabaseId"], ConfigurationManager.AppSettings["RuleCollectionId"]);
Engine = new AnalyzerEngine();
ServiceBusConnectionStringBuilder builder = new ServiceBusConnectionStringBuilder(eventhubConnS);
builder.TransportType = TransportType.Amqp;
var connection = new EventHubProcessor(builder.ToString(), Eventhubpath);
WriteLineAndLog("Starting event receiver.");
var recTask = connection.StartReceiver <EventProc>(storageConnection);
recTask.Wait();
WriteLineAndLog("Receiver waiting.");
var engineStartCounter = 0;
var maxEngineRestarts = 10;
try
{
new Thread(() =>
{
Thread.CurrentThread.IsBackground = true;
while (true)
{
if (!AwaitingInput)
{
Render();
Thread.Sleep(500);
}
}
}).Start();
new Thread(() =>
{
Thread.CurrentThread.IsBackground = true;
while (true)
{
ParseInput();
}
}).Start();
while (true)
{
MessageAggregator.Collection.Clear();
for (var i = 0; i < 500; ++i)
{
TimeStampedMessage <string> msg;
if (Engine.EngineMessages.TryDequeue(out msg))
{
MessageAggregator.AddMessage(msg, msg.Message.GenerateMessageIdentifierFromString());
}
}
foreach (var messageTracker in MessageAggregator.Collection)
{
MesseageOutputQueue.Enqueue($"{messageTracker.Value.Message} | {messageTracker.Value.AmountCounter} times from {messageTracker.Value.FirstOccurrence} to {messageTracker.Value.LastOccurrence}");
}
if (Engine.State == State.ShuttingDown)
{
continue;
}
if (Engine.State == State.Stopped)
{
Engine.StartEngine(ruleStorage, alarmManger);
if (maxEngineRestarts <= engineStartCounter++)
{
var message = $"AnalyserEngine main task has been restared {engineStartCounter - 1} times. Engine is down and can not recover! Resetting start counter.";
Logger.AddRow(message);
MesseageOutputQueue.Enqueue(message);
var alarm = new AlarmMessage(AlarmLevel.High, AppDomain.CurrentDomain.FriendlyName, message);
alarmManger.RaiseAlarm(alarm);
engineStartCounter = 0;
}
}
var timer = new Stopwatch();
timer.Start();
while (!Engine.EngineIsRunning && timer.ElapsedMilliseconds < 30000)
{
MesseageOutputQueue.Enqueue("Awaiting engine start. Waited " + timer.ElapsedMilliseconds + " ms");
Thread.Sleep(1000);
}
timer.Reset();
}
}
catch (Exception ex)
{
var alarm = new AlarmMessage(AlarmLevel.High, AppDomain.CurrentDomain.FriendlyName, $"Exception in main loop.", ex.Message);
alarmManger.RaiseAlarm(alarm);
WriteLineAndLog($"Exception in main loop.");
WriteLineAndLog(ex.ToString());
}
WriteLineAndLog("End of program.");
}
