Пример #1
0
        private void CheckForRun()
        {
            if (isProcessing == false && nextRun <= DateTime.Now)
            {
                EventLogger.DebugEntry("Creating complex thread", EventLogEntryType.Information);

                ThreadHolder exportThread = new ThreadHolder();
                Guid         guid         = Guid.NewGuid();

                exportThread.scanThread = new ScanThread(this, guid);
                // Here you can add the resuming, on certain conditions
                // In my case I insert data to myThread which contains all the necessary objects to continue processing from the last halt
                // exportThread.myThread = new MyThreadComplex(this, guid, threadType, 3);

                if (CreateWorkerThread(exportThread, guid))
                {
                    isProcessing = true;
                    EventLogger.DebugEntry("Creating complex thread - successful", EventLogEntryType.Information);
                }
                else
                {
                    EventLogger.Entry("Creating complex thread - failed", EventLogEntryType.Error);
                }
            }
        }
Пример #2
0
        public int Run(T subjectInstance)
        {
            var allThreads = new List <ThreadHolder <T> >();

            var launcher = new Thread(
                () =>
            {
                try
                {
                    for (var i = 0; i < _numThreads; i++)
                    {
                        var threadHolder = new ThreadHolder <T>
                        {
                            Thread = new Thread(ThreadProc)
                            {
                                Name = i.ToString()
                            },
                            Subject = subjectInstance
                        };
                        threadHolder.Thread.Start(threadHolder);
                        allThreads.Add(threadHolder);
                        if (i > 2 && TimeoutBetweenThreadStart > 0)
                        {
                            Thread.Sleep(TimeoutBetweenThreadStart);
                        }
                    }
                }
                catch (Exception e)
                {
                    _errors.Enqueue(e);
                    throw;
                }
            });
            var totalLoops = 0;

            _running = true;
            // Use a separated thread for launching in case too many threads are asked: the inner Start will freeze
            // but would be able to resume once _running would have been set to false, causing first threads to stop.
            launcher.Start();
            // Sleep for the required timeout, taking into account the start delay (if all threads are launchable without
            // having to wait due to thread starvation).
            Thread.Sleep(TimeoutBetweenThreadStart * _numThreads + EndTimeout);
            // Tell the threads to shut down, then wait until they all finish.
            _running = false;
            launcher.Join();
            foreach (var threadHolder in allThreads.Where(t => t != null))
            {
                threadHolder.Thread.Join();
                totalLoops += threadHolder.LoopsDone;
            }
            return(totalLoops);
        }
Пример #3
0
        private void AdjustThreadHolderCount()
        {
            while (_threadHolders.Count < _config.Threads)
            {
                ThreadHolder threadHolder = new ThreadHolder(_connection, _optionStatus);
                _threadHolders.Add(threadHolder);
            }

            while (_threadHolders.Count > _config.Threads)
            {
                ThreadHolder doomedThreadHolder = _threadHolders.Last();
                doomedThreadHolder.Doom(_connection);

                _threadHolders.Remove(doomedThreadHolder);
            }
        }
Пример #4
0
        public void DistributeOptions(List <ThreadHolder> threadHolders)
        {
            if (threadHolders.Any() == false)
            {
                return;
            }

            List <DatabaseOptionBase> databaseOptions = _databaseOptionFinder.Find();

            foreach (DatabaseOptionBase option in databaseOptions)
            {
                ThreadHolder threadHolder = threadHolders.OrderBy(worker => worker.EstimatedOptionCount).FirstOrDefault();

                option.AssignWorkerIfNoWorkerAssigned(threadHolder.DatabaseWorker, _connection);
                threadHolder.EstimatedOptionCount++;
            }
        }
Пример #5
0
        private bool CreateWorkerThread(ThreadHolder exportThread, Guid guid)
        {
            using (LockHolder <Dictionary <Guid, ThreadHolder> > lockObj =
                       new LockHolder <Dictionary <Guid, ThreadHolder> >(runningThreads, 1000)) {
                if (lockObj.LockSuccessful)
                {
                    Thread thread = new Thread(exportThread.Process)
                    {
                        Name = "ScanThread"
                    };
                    exportThread.thread = thread;

                    runningThreads.Add(guid, exportThread);

                    thread.Start();

                    return(true);
                }
            }

            return(false);
        }
Пример #6
0
        private void CheckForRun()
        {
            if (isProcessing == false)
            {
                EventLogger.DebugEntry("Creating complex thread", EventLogEntryType.Information);

                ThreadHolder exportThread = new ThreadHolder();
                Guid         guid         = Guid.NewGuid();

                exportThread.scanThread = new ScanThread(this, guid);

                if (CreateWorkerThread(exportThread, guid))
                {
                    isProcessing = true;
                    EventLogger.DebugEntry("Creating complex thread - successful", EventLogEntryType.Information);
                }
                else
                {
                    EventLogger.Entry("Creating complex thread - failed", EventLogEntryType.Error);
                }
            }
        }
Пример #7
0
        /// <summary>
        /// addThread function, adds a function as a thread to a list, which needs its own thread for running. This specific function handles ThreadStart parameter, which means it can only take functions with no parameters as argument
        /// </summary>
        /// <param name="_threadStart">Parameter is name of function that needs its own thread, as its Threadstart, it means it have to be a function with no parameters: (functionname(){})</param>
        /// <param name="_description">Description which the thread needs to be saved as (unique)</param>
        public void addThread(ThreadStart _threadStart, string _description)
        {
            ThreadHolder tempThreadHolder = find(_description);

            if(tempThreadHolder == null)
            {
                Thread tempThread = new Thread(_threadStart);
                ThreadHolder tempHolder = new ThreadHolder();

                tempHolder.stringDescription = _description;
                tempHolder.threadPlaceHolder = tempThread;
                tempHolder.isWithParameter = false;
                tempHolder.objectFunctionHolder = _threadStart;

                threadList.Add(tempHolder);
            }

            if(tempThreadHolder != null)
                throw new ArgumentException("Thread already exists");
        }
Пример #8
0
        /// <summary>
        /// Remakes the thread so it can run under same name again.
        /// </summary>
        /// <param name="_threadHolder">Parameter is threadholder which holds what needs to be copied</param>
        private void remakeThread(ThreadHolder _threadHolder)
        {
            Thread threadTemporary;

            if (_threadHolder.isWithParameter)
            {
                threadTemporary = new Thread((ParameterizedThreadStart)_threadHolder.objectFunctionHolder);
            }
            else
            {
                threadTemporary = new Thread((ThreadStart)_threadHolder.objectFunctionHolder);
            }

            _threadHolder.threadPlaceHolder = threadTemporary;
        }