private void AddLttProducerWorkerToWorkerInfo(LttProducerWorkerInfo workerInfo, ProducerInitializationParameters initParam, long lttReadIntervalMinutes)
{
LttProducerWorker.LttProducerWorkerParameters parameters = CreateLttProducerWorkerParameters(workerInfo, initParam, lttReadIntervalMinutes);
try
{
LttProducerWorker newWorker = new LttProducerWorker(parameters);
workerInfo.LttProducers.Add(this);
workerInfo.ProducerWorker = newWorker;
}
catch (InvalidOperationException)
{
this.traceSource.WriteError(
this.logSourceId,
"Failed to restart Ltt producer worker object.");
}
}
public LttProducer(
DiskSpaceManager diskSpaceManager,
ITraceEventSourceFactory traceEventSourceFactory,
ProducerInitializationParameters initParam)
{
this.logSourceId = string.Concat(initParam.ApplicationInstanceId, "_", initParam.SectionName);
this.traceSource = traceEventSourceFactory.CreateTraceEventSource(FabricEvents.Tasks.FabricDCA);
this.serviceConfigSections = new List <string>();
this.consumerSinks = initParam.ConsumerSinks;
// Read the timer config value from dca section
var configReader = new ConfigReader(initParam.ApplicationInstanceId);
long newLttReadIntervalMinutes = configReader.GetUnencryptedConfigValue(
initParam.SectionName,
LttProducerConstants.LttReadIntervalParamName,
LttProducerConstants.DefaultLttReadIntervalMinutes);
lock (ProducerWorkers)
{
LttProducerWorkerInfo workerInfo = ProducerWorkers.FirstOrDefault();
if (null != workerInfo)
{
// Existing worker object is available.
this.traceSource.WriteInfo(
this.logSourceId,
"Existing Ltt producer worker object. Restarting the worker object now.");
// Save the old value for comparision
long oldLttReadIntervalMinutes = workerInfo.ProducerWorker.LttReadIntervalMinutes;
// Restart the worker object
workerInfo.ProducerWorker.Dispose();
workerInfo.ProducerWorker = null;
// Keep the smaller value intact
// as this worker handles both producers Ltt trace conversion and table events
if (oldLttReadIntervalMinutes < newLttReadIntervalMinutes)
{
newLttReadIntervalMinutes = oldLttReadIntervalMinutes;
}
List <LttProducer> LttProducers = new List <LttProducer>(workerInfo.LttProducers)
{
this
};
LttProducerWorker.LttProducerWorkerParameters newWorkerParam = new LttProducerWorker.LttProducerWorkerParameters()
{
TraceSource = this.traceSource,
LogDirectory = initParam.LogDirectory,
ProducerInstanceId = this.logSourceId,
LttProducers = LttProducers,
LatestSettings = initParam,
LttReadIntervalMinutes = newLttReadIntervalMinutes
};
try
{
LttProducerWorker newWorker = new LttProducerWorker(newWorkerParam);
workerInfo.LttProducers.Add(this);
workerInfo.ProducerWorker = newWorker;
}
catch (InvalidOperationException)
{
this.traceSource.WriteError(
this.logSourceId,
"Failed to restart Ltt producer worker object.");
}
}
else
{
// Create a new worker object
this.traceSource.WriteInfo(
this.logSourceId,
"Creating Ltt producer worker object ...");
List <LttProducer> LttProducers = new List <LttProducer> {
this
};
LttProducerWorker.LttProducerWorkerParameters newWorkerParam = new LttProducerWorker.LttProducerWorkerParameters()
{
TraceSource = this.traceSource,
LogDirectory = initParam.LogDirectory,
ProducerInstanceId = this.logSourceId,
LttProducers = LttProducers,
LatestSettings = initParam,
LttReadIntervalMinutes = newLttReadIntervalMinutes
};
try
{
LttProducerWorker newWorker = new LttProducerWorker(newWorkerParam);
workerInfo = new LttProducerWorkerInfo()
{
LttProducers = new List <LttProducer>(),
ProducerWorker = newWorker
};
workerInfo.LttProducers.Add(this);
ProducerWorkers.Add(workerInfo);
}
catch (InvalidOperationException)
{
this.traceSource.WriteError(
this.logSourceId,
"Failed to create Ltt producer worker object.");
}
}
}
}
