Exemplo n.º 1
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		private ObjectServerImpl(LocalObjectContainer container, ServerConfigurationImpl 
			serverConfig, int port, bool isEmbeddedServer)
		{
			_isEmbeddedServer = isEmbeddedServer;
			_container = container;
			_serverConfig = serverConfig;
			_socketFactory = serverConfig.Networking.SocketFactory;
			_transactionPool = new ClientTransactionPool(container);
			_port = port;
			_name = "db4o ServerSocket FILE: " + container.ToString() + "  PORT:" + _port;
			_container.SetServer(true);
			ConfigureObjectServer();
			_classInfoHelper = new Db4objects.Db4o.CS.Internal.ClassInfoHelper(Db4oClientServerLegacyConfigurationBridge
				.AsLegacy(serverConfig));
			_container.ClassCollection().CheckAllClassChanges();
			bool ok = false;
			try
			{
				EnsureLoadStaticClass();
				StartCommittedCallbackThread(_committedInfosQueue);
				StartServer();
				if (_serverConfig != null)
				{
					_serverConfig.ApplyConfigurationItems(this);
				}
				ok = true;
			}
			finally
			{
				if (!ok)
				{
					Close();
				}
			}
		}
Exemplo n.º 2
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		public static Db4objects.Db4o.Internal.Freespace.AbstractFreespaceManager CreateNew
			(LocalObjectContainer file, byte systemType)
		{
			systemType = CheckType(systemType);
			int unblockedDiscardLimit = file.ConfigImpl.DiscardFreeSpace();
			int blockedDiscardLimit = unblockedDiscardLimit == int.MaxValue ? unblockedDiscardLimit
				 : file.BlockConverter().BytesToBlocks(unblockedDiscardLimit);
			int remainderSizeLimit = file.BlockConverter().BytesToBlocks(RemainderSizeLimit);
			IProcedure4 slotFreedCallback = new _IProcedure4_52(file);
			switch (systemType)
			{
				case FmIx:
				{
					return new FreespaceManagerIx(blockedDiscardLimit, remainderSizeLimit);
				}

				case FmBtree:
				{
					return new BTreeFreespaceManager(file, slotFreedCallback, blockedDiscardLimit, remainderSizeLimit
						);
				}

				default:
				{
					return new InMemoryFreespaceManager(slotFreedCallback, blockedDiscardLimit, remainderSizeLimit
						);
					break;
				}
			}
		}
		private void Open()
		{
			IConfiguration config = ((IConfiguration)_currentConfig.Run());
			Db4oLegacyConfigurationBridge.AsIdSystemConfiguration(config).UsePointerBasedSystem
				();
			_container = (LocalObjectContainer)Db4oFactory.OpenFile(config, TempFile());
		}
Exemplo n.º 4
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		public override void WriteFixedPart(LocalObjectContainer file, bool startFileLockingThread
			, bool shuttingDown, StatefulBuffer writer, int blockSize)
		{
			SystemData systemData = file.SystemData();
			writer.Append(Signature);
			writer.WriteByte(Version());
			writer.WriteInt((int)TimeToWrite(_timerFileLock.OpenTime(), shuttingDown));
			writer.WriteLong(TimeToWrite(_timerFileLock.OpenTime(), shuttingDown));
			writer.WriteLong(TimeToWrite(Runtime.CurrentTimeMillis(), shuttingDown));
			writer.WriteInt(blockSize);
			writer.WriteInt(systemData.ClassCollectionID());
			writer.WriteByte(systemData.IdSystemType());
			writer.WriteInt(((FileHeaderVariablePart2)_variablePart).Address());
			writer.WriteInt(((FileHeaderVariablePart2)_variablePart).Length());
			writer.WriteInt(_transactionPointerAddress);
			writer.Write();
			if (shuttingDown)
			{
				WriteVariablePart(file, true);
			}
			else
			{
				file.SyncFiles();
			}
			if (startFileLockingThread)
			{
				file.ThreadPool().Start("db4o lock thread", _timerFileLock);
			}
		}
Exemplo n.º 5
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 public virtual void AssertSingleEntry(LocalObjectContainer container, long id)
 {
     var called = new BooleanByRef();
     Index(container).TraverseKeys(container.SystemTransaction(), new _IVisitor4_24(id
         , called));
     Assert.IsTrue(called.value);
 }
		public BTreeFreespaceManager(LocalObjectContainer file, IProcedure4 slotFreedCallback
			, int discardLimit) : base(slotFreedCallback, discardLimit)
		{
			_file = file;
			_delegate = new InMemoryFreespaceManager(slotFreedCallback, discardLimit);
			_idSystem = file.SystemData().FreespaceIdSystem();
		}
Exemplo n.º 7
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		/// <exception cref="Db4objects.Db4o.Ext.Db4oIOException"></exception>
		public sealed override void InitNew(LocalObjectContainer file)
		{
			NewTimerFileLock(file);
			OldEncryptionOff(file);
			_variablePart = CreateVariablePart(file);
			WriteVariablePart(file);
		}
Exemplo n.º 8
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 public virtual long CollectFor(LocalObjectContainer db, int id, ISlotMap slotMap)
 {
     var bigSet = db.GetByID(id);
     db.Activate(bigSet, 1);
     var btree = (BTree) Reflection4.GetFieldValue(bigSet, "_bTree");
     return FileUsageStatsCollector.BTreeUsage(db, btree, slotMap);
 }
Exemplo n.º 9
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 /// <exception cref="System.IO.IOException"></exception>
 public DefragmentServicesImpl(DefragmentConfig defragConfig, IDefragmentListener
     listener)
 {
     _listener = listener;
     var originalConfig = (Config4Impl) defragConfig.Db4oConfig();
     var storage = defragConfig.BackupStorage();
     if (defragConfig.ReadOnly())
     {
         storage = new NonFlushingStorage(storage);
     }
     var sourceConfig = PrepareConfig(originalConfig, storage, defragConfig.ReadOnly
         ());
     _sourceDb = (LocalObjectContainer) Db4oFactory.OpenFile(sourceConfig, defragConfig
         .TempPath()).Ext();
     _sourceDb.ShowInternalClasses(true);
     defragConfig.Db4oConfig().BlockSize(_sourceDb.BlockSize());
     if (!originalConfig.GenerateCommitTimestamps().DefiniteNo())
     {
         defragConfig.Db4oConfig().GenerateCommitTimestamps(_sourceDb.Config().GenerateCommitTimestamps
             ().DefiniteYes());
     }
     _targetDb = FreshTargetFile(defragConfig);
     _mapping = defragConfig.Mapping();
     _mapping.Open();
     _defragConfig = defragConfig;
 }
Exemplo n.º 10
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 public LocalTransaction(ObjectContainerBase container, Transaction parentTransaction
     , ITransactionalIdSystem idSystem, IReferenceSystem referenceSystem) : base(container
         , parentTransaction, referenceSystem)
 {
     _file = (LocalObjectContainer) container;
     _committedCallbackDispatcher = new _ICommittedCallbackDispatcher_39(this);
     _idSystem = idSystem;
 }
Exemplo n.º 11
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		private void Store(LocalObjectContainer origDb)
		{
			for (int itemId = 0; itemId < NumItems; itemId++)
			{
				origDb.Store(new MemoryBackupTestCaseBase.Item(itemId));
			}
			origDb.Commit();
		}
Exemplo n.º 12
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		protected override FileHeader NewOnSignatureMatch(LocalObjectContainer file, ByteArrayBuffer
			 reader)
		{
			if (SignatureMatches(reader, Signature, Version()))
			{
				return CreateNew();
			}
			return null;
		}
Exemplo n.º 13
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		public static IIdSystem NewInstance(LocalObjectContainer localContainer)
		{
			SystemData systemData = localContainer.SystemData();
			byte idSystemType = systemData.IdSystemType();
			switch (idSystemType)
			{
				case Legacy:
				{
					return new PointerBasedIdSystem(localContainer);
				}

				case PointerBased:
				{
					return new PointerBasedIdSystem(localContainer);
				}

				case StackedBtree:
				{
					InMemoryIdSystem inMemoryIdSystem = new InMemoryIdSystem(localContainer);
					BTreeIdSystem bTreeIdSystem = new BTreeIdSystem(localContainer, inMemoryIdSystem);
					systemData.FreespaceIdSystem(bTreeIdSystem.FreespaceIdSystem());
					return new BTreeIdSystem(localContainer, bTreeIdSystem);
				}

				case SingleBtree:
				{
					InMemoryIdSystem smallInMemoryIdSystem = new InMemoryIdSystem(localContainer);
					BTreeIdSystem smallBTreeIdSystem = new BTreeIdSystem(localContainer, smallInMemoryIdSystem
						);
					systemData.FreespaceIdSystem(smallBTreeIdSystem.FreespaceIdSystem());
					return smallBTreeIdSystem;
				}

				case InMemory:
				{
					return new InMemoryIdSystem(localContainer);
				}

				case Custom:
				{
					IIdSystemFactory customIdSystemFactory = localContainer.ConfigImpl.CustomIdSystemFactory
						();
					if (customIdSystemFactory == null)
					{
						throw new Db4oFatalException("Custom IdSystem configured but no factory was found. See IdSystemConfiguration#useCustomSystem()"
							);
					}
					return customIdSystemFactory.NewInstance(localContainer);
				}

				default:
				{
					return new PointerBasedIdSystem(localContainer);
					break;
				}
			}
		}
		public virtual bool RebuildIndexForClass(LocalObjectContainer container, ClassMetadata
			 classMetadata)
		{
			long[] ids = classMetadata.GetIDs();
			for (int i = 0; i < ids.Length; i++)
			{
				RebuildIndexForObject(container, (int)ids[i]);
			}
			return ids.Length > 0;
		}
		/// <exception cref="Db4objects.Db4o.Internal.FieldIndexException"></exception>
		protected virtual void RebuildIndexForObject(LocalObjectContainer container, int 
			objectId)
		{
			StatefulBuffer writer = container.ReadStatefulBufferById(container.SystemTransaction
				(), objectId);
			if (writer != null)
			{
				RebuildIndexForWriter(container, writer, objectId);
			}
		}
		public ClientTransactionPool(LocalObjectContainer mainContainer)
		{
			// Transaction -> ContainerCount
			// String -> ContainerCount
			ClientTransactionPool.ContainerCount mainEntry = new ClientTransactionPool.ContainerCount
				(mainContainer, 1);
			_transaction2Container = new Hashtable4();
			_fileName2Container = new Hashtable4();
			_fileName2Container.Put(mainContainer.FileName(), mainEntry);
			_mainContainer = mainContainer;
		}
		public FileUsageStatsCollector(IObjectContainer db, bool collectSlots)
		{
			MiscCollectors = new Hashtable();
			RegisterBigSetCollector();
			_db = (LocalObjectContainer)db;
			byte blockSize = _db.BlockSize();
			_blockConverter = blockSize > 1 ? (IBlockConverter)new BlockSizeBlockConverter(blockSize
				) : (IBlockConverter)new DisabledBlockConverter();
			_slots = collectSlots ? (ISlotMap)new SlotMapImpl(_db.FileLength()) : (ISlotMap)new 
				NullSlotMap();
		}
Exemplo n.º 18
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		public FileHeaderVariablePart1(LocalObjectContainer container, int id) : base(container
			)
		{
			// The variable part format is:
			// (int) converter version
			// (byte) freespace system used
			// (int)  freespace address
			// (int) identity ID
			// (long) versionGenerator
			// (int) uuid index ID
			_id = id;
		}
Exemplo n.º 19
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		public sealed override void WriteVariablePart(LocalObjectContainer file, bool shuttingDown
			)
		{
			if (!IsInitalized())
			{
				return;
			}
			IRunnable commitHook = Commit(shuttingDown);
			file.SyncFiles();
			commitHook.Run();
			file.SyncFiles();
		}
		private void RebuildUUIDIndex(LocalObjectContainer file)
		{
			UUIDFieldMetadata uuid = file.UUIDIndex();
			ClassMetadataIterator i = file.ClassCollection().Iterator();
			while (i.MoveNext())
			{
				ClassMetadata clazz = i.CurrentClass();
				if (clazz.GenerateUUIDs())
				{
					uuid.RebuildIndexForClass(file, clazz);
				}
			}
		}
		private void BuildCommitTimestampIndex(LocalObjectContainer container)
		{
			versionFieldMetadata = container.Handlers.Indexes()._version;
			ClassMetadataIterator i = container.ClassCollection().Iterator();
			while (i.MoveNext())
			{
				ClassMetadata clazz = i.CurrentClass();
				if (clazz.HasVersionField() && !clazz.IsStruct())
				{
					RebuildIndexForClass(container, clazz);
				}
			}
		}
Exemplo n.º 22
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		public virtual Tree Free(LocalObjectContainer file, Tree treeRoot, Db4objects.Db4o.Internal.Slots.Slot
			 slot)
		{
			file.Free(_slot.Address(), _slot.Length());
			if (RemoveReferenceIsLast())
			{
				if (treeRoot != null)
				{
					return treeRoot.RemoveNode(this);
				}
			}
			PointTo(slot);
			return treeRoot;
		}
Exemplo n.º 23
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		private static FileHeader DetectFileHeader(LocalObjectContainer file, ByteArrayBuffer
			 reader)
		{
			for (int i = 0; i < AvailableFileHeaders.Length; i++)
			{
				reader.Seek(0);
				FileHeader result = AvailableFileHeaders[i].NewOnSignatureMatch(file, reader);
				if (result != null)
				{
					return result;
				}
			}
			return null;
		}
Exemplo n.º 24
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		public static IDictionary TypesFor(LocalObjectContainer db, Sharpen.Util.ISet ids
			)
		{
			IDictionary id2clazzes = new Hashtable();
			ClassMetadataIterator iter = db.ClassCollection().Iterator();
			while (iter.MoveNext())
			{
				for (IEnumerator idIter = ids.GetEnumerator(); idIter.MoveNext(); )
				{
					int id = ((int)idIter.Current);
					ClassMetadata clazz = iter.CurrentClass();
					BTree btree = BTreeClassIndexStrategy.Btree(clazz);
					if (btree.Search(db.SystemTransaction(), id) != null)
					{
						Sharpen.Util.ISet clazzes = ((Sharpen.Util.ISet)id2clazzes[id]);
						if (clazzes == null)
						{
							clazzes = new HashSet();
							id2clazzes[id] = clazzes;
						}
						clazzes.Add(clazz);
					}
				}
			}
			IDictionary id2clazz = new Hashtable();
			for (IEnumerator idIter = id2clazzes.Keys.GetEnumerator(); idIter.MoveNext(); )
			{
				int id = ((int)idIter.Current);
				Sharpen.Util.ISet clazzes = ((Sharpen.Util.ISet)id2clazzes[id]);
				ClassMetadata mostSpecific = null;
				for (IEnumerator curClazzIter = clazzes.GetEnumerator(); curClazzIter.MoveNext(); )
				{
					ClassMetadata curClazz = ((ClassMetadata)curClazzIter.Current);
					for (IEnumerator cmpClazzIter = clazzes.GetEnumerator(); cmpClazzIter.MoveNext(); )
					{
						ClassMetadata cmpClazz = ((ClassMetadata)cmpClazzIter.Current);
						if (curClazz.Equals(cmpClazz._ancestor))
						{
							goto OUTER_continue;
						}
					}
					mostSpecific = curClazz;
					break;
OUTER_continue: ;
				}
OUTER_break: ;
				id2clazz[id] = mostSpecific;
			}
			return id2clazz;
		}
Exemplo n.º 25
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		/// <exception cref="Db4objects.Db4o.Ext.OldFormatException"></exception>
		public static FileHeader Read(LocalObjectContainer file)
		{
			ByteArrayBuffer reader = PrepareFileHeaderReader(file);
			FileHeader header = DetectFileHeader(file, reader);
			if (header == null)
			{
				Exceptions4.ThrowRuntimeException(Db4objects.Db4o.Internal.Messages.IncompatibleFormat
					, file.ToString());
			}
			else
			{
				header.Read(file, reader);
			}
			return header;
		}
Exemplo n.º 26
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		public virtual void Convert(LocalObjectContainer container, int classIndexId, BTree
			 bTree)
		{
			Transaction trans = container.SystemTransaction();
			ByteArrayBuffer reader = container.ReadBufferById(trans, classIndexId);
			if (reader == null)
			{
				return;
			}
			int entries = reader.ReadInt();
			for (int i = 0; i < entries; i++)
			{
				bTree.Add(trans, reader.ReadInt());
			}
		}
		public FileHeaderVariablePart2(LocalObjectContainer container, int address, int length
			) : base(container)
		{
			// The variable part format is:
			// (long) checksum
			// (int) address of InMemoryIdSystem slot
			// (int) length of InMemoryIdSystem slot
			// (int) address of InMemoryFreespace
			// (int) length of InMemoryFreespace
			// (int) BTreeFreespace id
			// (int) converter version
			// (int) uuid index ID
			// (int) identity ID
			// (long) versionGenerator
			// (byte) freespace system used
			_address = address;
			_length = length;
		}
Exemplo n.º 28
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		protected override void Read(LocalObjectContainer file, ByteArrayBuffer reader)
		{
			NewTimerFileLock(file);
			OldEncryptionOff(file);
			CheckThreadFileLock(file, reader);
			reader.Seek(TransactionPointerOffset);
			file.SystemData().TransactionPointer1(reader.ReadInt());
			file.SystemData().TransactionPointer2(reader.ReadInt());
			reader.Seek(BlocksizeOffset);
			file.BlockSizeReadFromFile(reader.ReadInt());
			SystemData systemData = file.SystemData();
			systemData.ClassCollectionID(reader.ReadInt());
			reader.ReadInt();
			// was freespace ID, can no longer be read
			_variablePart = CreateVariablePart(file);
			int variablePartId = reader.ReadInt();
			_variablePart.Read(variablePartId, 0);
		}
Exemplo n.º 29
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		public BTreeIdSystem(LocalObjectContainer container, IStackableIdSystem parentIdSystem
			, int maxValidId)
		{
			_container = container;
			_parentIdSystem = parentIdSystem;
			_transactionalIdSystem = container.NewTransactionalIdSystem(null, new _IClosure4_40
				(parentIdSystem));
			int persistentArrayId = parentIdSystem.ChildId();
			if (persistentArrayId == 0)
			{
				InitializeNew();
			}
			else
			{
				InitializeExisting(persistentArrayId);
			}
			_idGenerator = new SequentialIdGenerator(new _IFunction4_52(this), IdGeneratorValue
				(), _container.Handlers.LowestValidId(), maxValidId);
		}
		protected virtual void RebuildIndexForWriter(LocalObjectContainer container, StatefulBuffer
			 buffer, int objectId)
		{
			ObjectHeader objectHeader = new ObjectHeader(container, buffer);
			ObjectIdContextImpl context = new ObjectIdContextImpl(container.SystemTransaction
				(), buffer, objectHeader, objectId);
			ClassMetadata classMetadata = context.ClassMetadata();
			if (classMetadata.IsStruct())
			{
				// We don't keep version information for structs.
				return;
			}
			if (classMetadata.SeekToField(container.SystemTransaction(), buffer, versionFieldMetadata
				) != HandlerVersion.Invalid)
			{
				long version = ((long)versionFieldMetadata.Read(context));
				if (version != 0)
				{
					LocalTransaction t = (LocalTransaction)container.SystemTransaction();
					t.CommitTimestampSupport().Put(container.SystemTransaction(), objectId, version);
				}
			}
		}
Exemplo n.º 31
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 public SystemInfoFileImpl(LocalObjectContainer file)
 {
     _file = file;
 }
Exemplo n.º 32
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 public CommitTimestampSupport(LocalObjectContainer container)
 {
     _container = container;
 }
 public void Write(LocalObjectContainer file, int address)
 {
     file.WriteBytes(_target, address, 0);
 }
 public _IClosure4_58(LocalObjectContainer _enclosing)
 {
     this._enclosing = _enclosing;
 }