public void Start()
{
lock (_startStopLock)
{
if (_processorThread != null)
{
return;
}
OnStart();
_stoppingSignal.Reset();
Logger.LogDebug($"Starting batch processor");
_cancellationTokenSource = new CancellationTokenSource();
_jobsCancellationTokenSource = new CancellationTokenSource();
_processorThread = new Thread(ProcessorFunction)
{
IsBackground = true
};
_processorThread.Start();
Logger.LogDebug($"Batch processor started");
}
}
public static void SafeDispose(this IDisposable disposable, IJobLogger logger = null)
{
try
{
if (disposable == null)
{
return;
}
if (logger?.IsEnabled(JobLogLevel.Debug) ?? false)
{
logger.LogDebug($"Disposing {disposable.GetType()}");
}
disposable.Dispose();
if (logger?.IsEnabled(JobLogLevel.Debug) ?? false)
{
logger.LogDebug($"Disposed {disposable.GetType()}");
}
}
catch (Exception ex)
{
logger?.LogError(ex, "Disposal error");
}
}
private void StopJobWorkers(bool reconnect, bool cancelRunningJobs)
{
lock (WorkersLock)
{
_reconnectTimer.Change(Timeout.Infinite, Timeout.Infinite);
try
{
foreach (var worker in Workers)
{
try
{
worker.BeginStop(cancelRunningJobs);
}
catch (Exception ex)
{
Logger.LogError(ex, $"Begin stop for a worker failed");
}
}
foreach (var worker in Workers)
{
try
{
worker.WaitUntilStopped();
worker.SafeDispose(Logger);
}
catch (Exception ex)
{
Logger.LogError(ex, $"Stopping a worker failed");
}
}
}
catch (Exception ex)
{
Logger.LogError(ex, "Stopping workers failed");
}
Workers.Clear();
if (reconnect)
{
if (_reconnectTimeIndex < _reconnectTimes.Length - 1)
{
_reconnectTimeIndex++;
}
_reconnectTimer.Change(_reconnectTimes[_reconnectTimeIndex] * 1000, Timeout.Infinite);
Logger.LogDebug("Reconnect timer started");
}
}
}
protected void EnsureConnectionExists()
{
lock (_connectionLock)
{
if (Connection != null)
{
return;
}
Logger.LogDebug("Connecting...");
try
{
Connection = _connectionFactory.CreateConnection(_rabbitMqSettings.HostNames, $"MassiveJobs.NET/{GetEntryFileName()}");
Connection.CallbackException += ConnectionOnCallbackException;
Connection.ConnectionBlocked += ConnectionOnConnectionBlocked;
Connection.ConnectionUnblocked += ConnectionOnConnectionUnblocked;
Connection.ConnectionShutdown += ConnectionOnConnectionShutdown;
ModelPool = new ModelPool(Connection, 2, Logger);
var model = ModelPool.Get();
try
{
DeclareTopology(model.Model);
}
finally
{
ModelPool.Return(model);
}
}
catch (Exception ex)
{
Logger.LogError(ex, "Failed connection create");
throw;
}
}
Logger.LogWarning("Connected");
}
