// constructor method for the class that saves the constructor parameters
public WorkerThread(WorkerInstance workerInstance, WorkerThreadFormatter workerThreadFormatter)
{
// save the constructor references
this.workerInstance = workerInstance;
threadDefinition = workerThreadFormatter;
threadName = "Thread " + threadDefinition.ThreadNumber.ToString();
// define the perfmon counter instance descriptions
perfCounterServiceName = MSMQListner.PerformanceCounterTotal;
perfCounterWorkerName = threadDefinition.ProcessName;
perfCounterThreadName = threadDefinition.ProcessName + "_" + threadDefinition.ThreadNumber.ToString();
// indicate the thread is not running
workerRunning = false;
workerPaused = false;
}
// the work object start method that creates all the thread objects
// each thread object then has it corresponding start method called
internal void StartService()
{
// ensure the start method has not already been called
if (!workerRunning)
{
// flag the worker as started
workerRunning = true;
workerDefinition.ProcessStatus = WorkerFormatter.SFProcessStatus.StatusStarted;
// attempt to allocate all needed resources
try
{
// call the event logging initilization class
CreateLogClass();
// indicate the worker process has started
LogInformation("Process Starting - Queue " + workerDefinition.InputQueue);
// create the array list for the thread objects
// insert into the array list the required number of thread objects
threadReferences = new ArrayList();
// for each worker create and start the appropriate worker threads
for (int idx = 0; idx < workerDefinition.NumberThreads; idx++)
{
WorkerThreadFormatter threadDefinition = new WorkerThreadFormatter();
threadDefinition.ProcessName = workerDefinition.ProcessName;
threadDefinition.ProcessDesc = workerDefinition.ProcessDesc;
threadDefinition.ThreadNumber = idx;
threadDefinition.InputQueue = workerDefinition.InputQueue;
threadDefinition.ErrorQueue = workerDefinition.ErrorQueue;
threadDefinition.SmtpServer = workerDefinition.SmtpServer;
threadDefinition.ErrorEmails = workerDefinition.ErrorEmails;
threadDefinition.Subject = workerDefinition.Subject;
threadDefinition.MessageLimit = workerDefinition.MessageLimit;
threadDefinition.Delay = workerDefinition.Delay;
// define the worker type and insert into the work thread struct
WorkerThread workerThread = new WorkerThreadDerived(this, threadDefinition);
threadReferences.Insert(idx, workerThread);
}
// call the start method on each thread object
foreach (WorkerThread threadReference in threadReferences)
{
threadReference.StartService();
}
// indicate the worker process has started
LogInformation("Process Started");
}
// on error call the stop method to tidyup created objects
catch (Exception ex)
{
StopService();
LogError("Unable to Start Process");
throw new ApplicationException(ex.Message);
}
}
}
// calls the base class constructor
public WorkerThreadDerived(WorkerInstance workerInstance, WorkerThreadFormatter workerThreadFormatter)
: base(workerInstance, workerThreadFormatter)
{
}