Пример #1
0
        protected override void threadmain()
        {
            using (updateDB db = new updateDB(Program.connstr, Program.dbName))
            {
                // Read anything we queued in a previous run
                foreach (var alreadyClaimed in db.getClaimedUpdate())
                {
                    claimedUpdates.Enqueue(alreadyClaimed);
                }

                // Make sure we have at least highWaterMark updates queued (if they are available)
                while (claimedUpdates.Count < highWaterMark)
                {
                    wsusUpdate nextUpdate = db.startNextUpdate();
                    if (nextUpdate == null)
                    {
                        _allUpdatesExhausted = true;
                        exitTime             = true;
                        break;
                    }

                    claimedUpdates.Enqueue(nextUpdate);
                }

                while (true)
                {
                    // if we drop below the low water mark, queue updates until we get to the high water mark.
                    if (claimedUpdates.Count < lowWaterMark)
                    {
                        while (claimedUpdates.Count < highWaterMark)
                        {
                            wsusUpdate nextUpdate = db.startNextUpdate();
                            if (nextUpdate == null)
                            {
                                _allUpdatesExhausted = true;
                                exitTime             = true;
                                break;
                            }
                            claimedUpdates.Enqueue(nextUpdate);
                        }
                    }

                    if (exitTime)
                    {
                        // TODO: should we unmark what we have in progress before exiting?
                        break;
                    }
                    pollTimer.WaitOne(100);
                }
            }
        }
Пример #2
0
        protected override void threadmain()
        {
            using (updateDB db = new updateDB(Program.connstr, Program.dbName))
            {
                while (true)
                {
                    if (queue.IsEmpty)
                    {
                        if (exitTime)
                        {
                            if (queue.IsEmpty)
                            {
                                break;
                            }
                        }

                        pollTimer.WaitOne(100);
                        continue;
                    }

                    if (!queue.TryDequeue(out downloadThread.downloadedUpdate updateToProcess) || updateToProcess == null)
                    {
                        continue;
                    }

                    currentlyProcessing = updateToProcess.update.parent.downloadURI;
                    UpdateProcessingStarted.Set();

                    updateToProcess.update.parent.startTime = DateTime.Now;
                    updateToProcess.update.OnLogString      = this.OnLogString;
                    try
                    {
                        updateToProcess.update.writeToDB(asyncSQLParams, updateToProcess.absolutepath);
                    }
                    catch (Exception e)
                    {
                        db.logError(updateToProcess.update.parent, e);
                    }

                    archiver.enqueue(updateToProcess.absolutepath);

                    currentlyProcessing = null;
                }
            }
        }
Пример #3
0
        public static void importWSUSFiles()
        {
            using (updateDB db = new updateDB(connstr, dbName))
            {
                int          updateIndexInBatch = 0;
                wsusUpdate[] updates            = new wsusUpdate[400];
                foreach (IUpdate update in getUpdates())
                {
                    foreach (IInstallableItem item in update.GetInstallableItems())
                    {
                        foreach (UpdateFile f in item.Files)
                        {
                            if (f.Type == FileType.Express ||
                                f.OriginUri.ToString().EndsWith(".txt"))
                            {
                                continue;
                            }
                            wsusUpdate upd = new wsusUpdate(f);
                            updates[updateIndexInBatch++] = upd;
                            if (updateIndexInBatch == updates.Length)
                            {
                                db.insert_noconcurrency(updates);
                                updateIndexInBatch = 0;
                            }
                        }
                    }
                }

                wsusUpdate[] updatesFinalBatch = new wsusUpdate[updateIndexInBatch];
                Array.Copy(updates, updatesFinalBatch, updateIndexInBatch);
                if (updateIndexInBatch == updates.Length)
                {
                    db.insert_noconcurrency(updatesFinalBatch);
                }

                db.removeDuplicateWsusFiles();
            }
        }
Пример #4
0
        protected override void threadmain()
        {
            using (updateDB db = new updateDB(Program.connstr, Program.dbName))
            {
                while (true)
                {
                    if (toMarkComplete.IsEmpty && batches.IsEmpty && batches_wim.IsEmpty)
                    {
                        // we'll only exit the thread if all the current data is flushed.
                        if (exitTime)
                        {
                            if (toMarkComplete.IsEmpty && batches.IsEmpty && batches_wim.IsEmpty)
                            {
                                break;
                            }
                        }

                        pollTimer.WaitOne(TimeSpan.FromSeconds(1));
                    }

                    {
                        if (toMarkComplete.TryDequeue(out var thisMarkComplete))
                        {
                            db.completeWsusUpdate(thisMarkComplete.parentID, thisMarkComplete.starttime,
                                                  thisMarkComplete.endtime, thisMarkComplete.sqltime, thisMarkComplete.succeeded);
                        }
                    }

                    {
                        if (batches.TryDequeue(out fileBatch batch))
                        {
                            if (batch.Parent.dbID.HasValue == false)
                            {
                                batch.Parent.dbID = db.getWSUSFileByFileHash(batch.Parent.fileHashFromWSUS).dbID;
                            }

                            Debug.WriteLine($"Async inserting {batch.Files.Length} files");
                            db.bulkInsertFiles(batch.Parent, batch.Files);

                            if (batch.IsFinal)
                            {
                                db.completeWsusUpdate(batch.Parent.dbID.Value, batch.Parent.startTime,
                                                      batch.Parent.endTime, batch.Parent.sqltime, true);
                            }
                        }
                    }

                    {
                        if (batches_wim.TryDequeue(out fileBatch_wim batchWim))
                        {
                            if (batchWim.Parent.dbID.HasValue == false)
                            {
                                batchWim.Parent.dbID = db.getWSUSFileByFileHash(batchWim.Parent.fileHashFromWSUS).dbID;
                            }

                            //db.insert_noconcurrency(new[] {batchWim.Files[0].parent}, "fileSource_wim");
                            db.bulkInsertFiles(batchWim.Parent, batchWim.Files);

                            if (batchWim.IsFinal)
                            {
                                db.completeWsusUpdate(batchWim.Parent.dbID.Value, batchWim.Parent.startTime,
                                                      batchWim.Parent.endTime, batchWim.Parent.sqltime, true);
                            }
                        }
                    }
                }
            }
        }
Пример #5
0
        public static void Main(string[] args)
        {
            using (logDB = new updateDB(connstr, dbName))
            {
                ConcurrentQueue <downloadThread.downloadedUpdate> toProcessQueue =
                    new ConcurrentQueue <downloadThread.downloadedUpdate>();
                ConcurrentQueue <string> toArchiveQueue        = new ConcurrentQueue <string>();
                AutoResetEvent           downloadRequestEvent  = new AutoResetEvent(false);
                AutoResetEvent           downloadCompleteEvent = new AutoResetEvent(false);

                using (threadLifetimeCollection threads = new threadLifetimeCollection())
                {
                    asyncsqlthread sqlparams = new asyncsqlthread(logger);
                    threads.add(sqlparams.start());

                    updateReserverThread updateGetterThread = new updateReserverThread(logger);
                    threads.add(updateGetterThread.start());

                    archiveThread archiver = new archiveThread(logger, toArchiveQueue);
                    threads.add(archiver.start());

                    downloadThread[] downloadThreads = new downloadThread[downloadThreadCount];
                    for (int i = 0; i < downloadThreads.Length; i++)
                    {
                        downloadThreads[i] =
                            new downloadThread(logger, downloadRequestEvent, toProcessQueue, updateGetterThread);
                        downloadThreads[i].threadname += $" ({i})";

                        downloadThreads[i].outqueue             = toProcessQueue;
                        downloadThreads[i].maxFinishedDownloads = maxPendingDownloads;
                        downloadThreads[i].downloadComplete     = downloadCompleteEvent;

                        threads.add(downloadThreads[i].start());
                    }

                    processingThread[] processingThreads = new processingThread[processingThreadCount];
                    for (int i = 0; i < processingThreads.Length; i++)
                    {
                        processingThreads[i] = new processingThread(logger, downloadCompleteEvent, toProcessQueue,
                                                                    downloadRequestEvent, archiver, sqlparams);
                        processingThreads[i].threadname += $" ({i})";

                        threads.add(processingThreads[i].start());
                    }

                    while (true)
                    {
                        // have we finished it all?
                        if (updateGetterThread.allUpdatesExhausted())
                        {
                            Console.WriteLine("all done");
                            // Once the update-getter signals completion, it has already passed pending updates to the download threads, so it's safe to
                            // tear down threads without fear of missing updates.
                            foreach (downloadThread dt in downloadThreads)
                            {
                                dt.stop();
                            }
                            foreach (processingThread pt in processingThreads)
                            {
                                pt.stop();
                            }
                            archiver.stop();
                            sqlparams.stop();

                            break;
                        }

                        // OK, show some stats.
                        Thread.Sleep(TimeSpan.FromSeconds(1));
                        //Console.Clear();
                        Console.WriteLine(
                            $"Processing queue: {toProcessQueue.Count}, reserved updates {updateGetterThread.claimedUpdates.Count}, " +
                            $"async sql queue {sqlparams.batches.Count} / {sqlparams.batches_wim.Count} / {sqlparams.toMarkComplete.Count}");

                        for (int i = 0; i < downloadThreads.Length; i++)
                        {
                            var current = downloadThreads[i].currentlydownloading;
                            if (current != null)
                            {
                                Console.WriteLine(
                                    $"Download thread {i}: downloading {current.downloadURI} ({current.sizeMB} MB)");
                            }
                            else
                            {
                                Console.WriteLine($"Download thread {i}: idle");
                            }
                        }

                        for (int i = 0; i < processingThreads.Length; i++)
                        {
                            string cur = processingThreads[i].currentlyProcessing;
                            if (cur != null)
                            {
                                Console.WriteLine($"Processing thread {i}: processing {cur}");
                            }
                            else
                            {
                                Console.WriteLine($"Processing thread {i}: idle");
                            }
                        }
                    }
                }
            }
        }