adding Freeze filesystem demo

15 files changed, 943 insertions, 2 deletions

diff --git a/cpp/demo/book/Makefile b/cpp/demo/book/Makefile
index 569470347c6..9468eac283d 100644
--- a/cpp/demo/book/Makefile
+++ b/cpp/demo/book/Makefile
@@ -12,7 +12,8 @@ top_srcdir	= ../..
 include $(top_srcdir)/config/Make.rules
 
 SUBDIRS		= printer \
-		  simple_filesystem
+		  simple_filesystem \
+		  freeze_filesystem
 
 $(EVERYTHING)::
 	@for subdir in $(SUBDIRS); \
diff --git a/cpp/demo/book/Makefile.mak b/cpp/demo/book/Makefile.mak
index 6b31ee4401d..a4185d20fd1 100644
--- a/cpp/demo/book/Makefile.mak
+++ b/cpp/demo/book/Makefile.mak
@@ -11,7 +11,7 @@ top_srcdir	= ..\..
 
 !include $(top_srcdir)\config\Make.rules.mak
 
-SUBDIRS		= printer simple_filesystem
+SUBDIRS		= printer simple_filesystem freeze_filesystem
 
 $(EVERYTHING)::
 	@for %i in ( $(SUBDIRS) ) do \
diff --git a/cpp/demo/book/README b/cpp/demo/book/README
index 07162207955..6c7ad26e4fe 100644
--- a/cpp/demo/book/README
+++ b/cpp/demo/book/README
@@ -15,3 +15,8 @@ Demos in this directory:
 
   An implementation of the simple (non-persistent, non-life-cycle)
   version of the filesystem example.
+
+- freeze_filesystem
+
+  An implementation of the persistent version of the filesystem
+  example described in the Freeze chapter.
diff --git a/cpp/demo/book/freeze_filesystem/.depend b/cpp/demo/book/freeze_filesystem/.depend
new file mode 100644
index 00000000000..29c6f5218d0
--- /dev/null
+++ b/cpp/demo/book/freeze_filesystem/.depend
@@ -0,0 +1,9 @@
+Filesystem$(OBJEXT): Filesystem.cpp ./Filesystem.h ../../../include/Ice/LocalObjectF.h ../../../include/Ice/Handle.h ../../../include/IceUtil/Handle.h ../../../include/IceUtil/Exception.h ../../../include/IceUtil/Config.h ../../../include/Ice/Config.h ../../../include/Ice/ProxyHandle.h ../../../include/Ice/ProxyF.h ../../../include/Ice/ObjectF.h ../../../include/Ice/GCCountMap.h ../../../include/Ice/Exception.h ../../../include/Ice/LocalObject.h ../../../include/IceUtil/Shared.h ../../../include/Ice/Proxy.h ../../../include/IceUtil/Mutex.h ../../../include/IceUtil/Lock.h ../../../include/IceUtil/ThreadException.h ../../../include/Ice/ProxyFactoryF.h ../../../include/Ice/ConnectionIF.h ../../../include/Ice/EndpointIF.h ../../../include/Ice/Endpoint.h ../../../include/Ice/UndefSysMacros.h ../../../include/Ice/ObjectAdapterF.h ../../../include/Ice/ReferenceF.h ../../../include/Ice/OutgoingAsyncF.h ../../../include/Ice/Current.h ../../../include/Ice/ConnectionF.h ../../../include/Ice/Identity.h ../../../include/Ice/StreamF.h ../../../include/Ice/CommunicatorF.h ../../../include/Ice/Object.h ../../../include/Ice/GCShared.h ../../../include/Ice/IncomingAsyncF.h ../../../include/Ice/Outgoing.h ../../../include/IceUtil/Monitor.h ../../../include/IceUtil/Cond.h ../../../include/IceUtil/Time.h ../../../include/Ice/BasicStream.h ../../../include/Ice/InstanceF.h ../../../include/Ice/ObjectFactoryF.h ../../../include/Ice/Buffer.h ../../../include/Ice/Protocol.h ../../../include/Ice/StringConverter.h ../../../include/IceUtil/Unicode.h ../../../include/Ice/Incoming.h ../../../include/Ice/ServantLocatorF.h ../../../include/Ice/ServantManagerF.h ../../../include/Ice/Direct.h ../../../include/Ice/UserExceptionFactory.h ../../../include/Ice/FactoryTable.h ../../../include/Ice/FactoryTableDef.h ../../../include/IceUtil/StaticMutex.h ../../../include/Ice/UserExceptionFactoryF.h ../../../include/Ice/LocalException.h ../../../include/Ice/BuiltinSequences.h ../../../include/Ice/ObjectFactory.h ../../../include/IceUtil/Iterator.h ../../../include/IceUtil/ScopedArray.h
+Client$(OBJEXT): Client.cpp ../../../include/Ice/Ice.h ../../../include/Ice/Initialize.h ../../../include/Ice/CommunicatorF.h ../../../include/Ice/LocalObjectF.h ../../../include/Ice/Handle.h ../../../include/IceUtil/Handle.h ../../../include/IceUtil/Exception.h ../../../include/IceUtil/Config.h ../../../include/Ice/Config.h ../../../include/Ice/ProxyHandle.h ../../../include/Ice/ProxyF.h ../../../include/Ice/ObjectF.h ../../../include/Ice/GCCountMap.h ../../../include/Ice/Exception.h ../../../include/Ice/LocalObject.h ../../../include/IceUtil/Shared.h ../../../include/Ice/UndefSysMacros.h ../../../include/Ice/PropertiesF.h ../../../include/Ice/InstanceF.h ../../../include/Ice/LoggerF.h ../../../include/Ice/StreamF.h ../../../include/Ice/StatsF.h ../../../include/Ice/StringConverter.h ../../../include/Ice/BuiltinSequences.h ../../../include/Ice/Proxy.h ../../../include/IceUtil/Mutex.h ../../../include/IceUtil/Lock.h ../../../include/IceUtil/ThreadException.h ../../../include/Ice/ProxyFactoryF.h ../../../include/Ice/ConnectionIF.h ../../../include/Ice/EndpointIF.h ../../../include/Ice/Endpoint.h ../../../include/Ice/ObjectAdapterF.h ../../../include/Ice/ReferenceF.h ../../../include/Ice/OutgoingAsyncF.h ../../../include/Ice/Current.h ../../../include/Ice/ConnectionF.h ../../../include/Ice/Identity.h ../../../include/Ice/LocalException.h ../../../include/Ice/Properties.h ../../../include/Ice/Logger.h ../../../include/Ice/LoggerUtil.h ../../../include/Ice/Stats.h ../../../include/Ice/Communicator.h ../../../include/Ice/ObjectFactoryF.h ../../../include/Ice/RouterF.h ../../../include/Ice/LocatorF.h ../../../include/Ice/PluginF.h ../../../include/Ice/ImplicitContextF.h ../../../include/Ice/ObjectFactory.h ../../../include/Ice/ObjectAdapter.h ../../../include/Ice/Object.h ../../../include/Ice/GCShared.h ../../../include/Ice/IncomingAsyncF.h ../../../include/Ice/Outgoing.h ../../../include/IceUtil/Monitor.h ../../../include/IceUtil/Cond.h ../../../include/IceUtil/Time.h ../../../include/Ice/BasicStream.h ../../../include/Ice/Buffer.h ../../../include/Ice/Protocol.h ../../../include/IceUtil/Unicode.h ../../../include/Ice/OutgoingAsync.h ../../../include/IceUtil/RecMutex.h ../../../include/Ice/Incoming.h ../../../include/Ice/ServantLocatorF.h ../../../include/Ice/ServantManagerF.h ../../../include/Ice/IncomingAsync.h ../../../include/Ice/Direct.h ../../../include/Ice/UserExceptionFactory.h ../../../include/Ice/FactoryTable.h ../../../include/Ice/FactoryTableDef.h ../../../include/IceUtil/StaticMutex.h ../../../include/Ice/UserExceptionFactoryF.h ../../../include/Ice/FacetMap.h ../../../include/Ice/Locator.h ../../../include/Ice/ProcessF.h ../../../include/Ice/ServantLocator.h ../../../include/Ice/Process.h ../../../include/Ice/Application.h ../../../include/Ice/Connection.h ../../../include/Ice/Functional.h ../../../include/IceUtil/Functional.h ../../../include/Ice/Stream.h ../../../include/Ice/ImplicitContext.h ./Filesystem.h
+PersistentFilesystem$(OBJEXT): PersistentFilesystem.cpp ./PersistentFilesystem.h ../../../include/Ice/LocalObjectF.h ../../../include/Ice/Handle.h ../../../include/IceUtil/Handle.h ../../../include/IceUtil/Exception.h ../../../include/IceUtil/Config.h ../../../include/Ice/Config.h ../../../include/Ice/ProxyHandle.h ../../../include/Ice/ProxyF.h ../../../include/Ice/ObjectF.h ../../../include/Ice/GCCountMap.h ../../../include/Ice/Exception.h ../../../include/Ice/LocalObject.h ../../../include/IceUtil/Shared.h ../../../include/Ice/Proxy.h ../../../include/IceUtil/Mutex.h ../../../include/IceUtil/Lock.h ../../../include/IceUtil/ThreadException.h ../../../include/Ice/ProxyFactoryF.h ../../../include/Ice/ConnectionIF.h ../../../include/Ice/EndpointIF.h ../../../include/Ice/Endpoint.h ../../../include/Ice/UndefSysMacros.h ../../../include/Ice/ObjectAdapterF.h ../../../include/Ice/ReferenceF.h ../../../include/Ice/OutgoingAsyncF.h ../../../include/Ice/Current.h ../../../include/Ice/ConnectionF.h ../../../include/Ice/Identity.h ../../../include/Ice/StreamF.h ../../../include/Ice/CommunicatorF.h ../../../include/Ice/Object.h ../../../include/Ice/GCShared.h ../../../include/Ice/IncomingAsyncF.h ../../../include/Ice/Outgoing.h ../../../include/IceUtil/Monitor.h ../../../include/IceUtil/Cond.h ../../../include/IceUtil/Time.h ../../../include/Ice/BasicStream.h ../../../include/Ice/InstanceF.h ../../../include/Ice/ObjectFactoryF.h ../../../include/Ice/Buffer.h ../../../include/Ice/Protocol.h ../../../include/Ice/StringConverter.h ../../../include/IceUtil/Unicode.h ../../../include/Ice/Incoming.h ../../../include/Ice/ServantLocatorF.h ../../../include/Ice/ServantManagerF.h ../../../include/Ice/Direct.h ../../../include/Ice/UserExceptionFactory.h ../../../include/Ice/FactoryTable.h ../../../include/Ice/FactoryTableDef.h ../../../include/IceUtil/StaticMutex.h ../../../include/Ice/UserExceptionFactoryF.h ./Filesystem.h ../../../include/Ice/LocalException.h ../../../include/Ice/BuiltinSequences.h ../../../include/Ice/ObjectFactory.h ../../../include/IceUtil/Iterator.h ../../../include/IceUtil/ScopedArray.h
+PersistentFilesystemI$(OBJEXT): PersistentFilesystemI.cpp ./PersistentFilesystemI.h ./PersistentFilesystem.h ../../../include/Ice/LocalObjectF.h ../../../include/Ice/Handle.h ../../../include/IceUtil/Handle.h ../../../include/IceUtil/Exception.h ../../../include/IceUtil/Config.h ../../../include/Ice/Config.h ../../../include/Ice/ProxyHandle.h ../../../include/Ice/ProxyF.h ../../../include/Ice/ObjectF.h ../../../include/Ice/GCCountMap.h ../../../include/Ice/Exception.h ../../../include/Ice/LocalObject.h ../../../include/IceUtil/Shared.h ../../../include/Ice/Proxy.h ../../../include/IceUtil/Mutex.h ../../../include/IceUtil/Lock.h ../../../include/IceUtil/ThreadException.h ../../../include/Ice/ProxyFactoryF.h ../../../include/Ice/ConnectionIF.h ../../../include/Ice/EndpointIF.h ../../../include/Ice/Endpoint.h ../../../include/Ice/UndefSysMacros.h ../../../include/Ice/ObjectAdapterF.h ../../../include/Ice/ReferenceF.h ../../../include/Ice/OutgoingAsyncF.h ../../../include/Ice/Current.h ../../../include/Ice/ConnectionF.h ../../../include/Ice/Identity.h ../../../include/Ice/StreamF.h ../../../include/Ice/CommunicatorF.h ../../../include/Ice/Object.h ../../../include/Ice/GCShared.h ../../../include/Ice/IncomingAsyncF.h ../../../include/Ice/Outgoing.h ../../../include/IceUtil/Monitor.h ../../../include/IceUtil/Cond.h ../../../include/IceUtil/Time.h ../../../include/Ice/BasicStream.h ../../../include/Ice/InstanceF.h ../../../include/Ice/ObjectFactoryF.h ../../../include/Ice/Buffer.h ../../../include/Ice/Protocol.h ../../../include/Ice/StringConverter.h ../../../include/IceUtil/Unicode.h ../../../include/Ice/Incoming.h ../../../include/Ice/ServantLocatorF.h ../../../include/Ice/ServantManagerF.h ../../../include/Ice/Direct.h ../../../include/Ice/UserExceptionFactory.h ../../../include/Ice/FactoryTable.h ../../../include/Ice/FactoryTableDef.h ../../../include/IceUtil/StaticMutex.h ../../../include/Ice/UserExceptionFactoryF.h ./Filesystem.h ../../../include/IceUtil/IceUtil.h ../../../include/IceUtil/AbstractMutex.h ../../../include/IceUtil/Algorithm.h ../../../include/IceUtil/ArgVector.h ../../../include/IceUtil/Base64.h ../../../include/IceUtil/Cache.h ../../../include/IceUtil/CountDownLatch.h ../../../include/IceUtil/CtrlCHandler.h ../../../include/IceUtil/Functional.h ../../../include/IceUtil/InputUtil.h ../../../include/IceUtil/Iterator.h ../../../include/IceUtil/MD5.h ../../../include/IceUtil/Options.h ../../../include/IceUtil/RecMutex.h ../../../include/IceUtil/OutputUtil.h ../../../include/IceUtil/RWRecMutex.h ../../../include/IceUtil/Thread.h ../../../include/IceUtil/Random.h ../../../include/IceUtil/ScopedArray.h ../../../include/IceUtil/StringUtil.h ../../../include/IceUtil/UUID.h ../../../include/Freeze/Freeze.h ../../../include/Freeze/Initialize.h ../../../include/Ice/Ice.h ../../../include/Ice/Initialize.h ../../../include/Ice/PropertiesF.h ../../../include/Ice/LoggerF.h ../../../include/Ice/StatsF.h ../../../include/Ice/BuiltinSequences.h ../../../include/Ice/LocalException.h ../../../include/Ice/Properties.h ../../../include/Ice/Logger.h ../../../include/Ice/LoggerUtil.h ../../../include/Ice/Stats.h ../../../include/Ice/Communicator.h ../../../include/Ice/RouterF.h ../../../include/Ice/LocatorF.h ../../../include/Ice/PluginF.h ../../../include/Ice/ImplicitContextF.h ../../../include/Ice/ObjectFactory.h ../../../include/Ice/ObjectAdapter.h ../../../include/Ice/OutgoingAsync.h ../../../include/Ice/IncomingAsync.h ../../../include/Ice/FacetMap.h ../../../include/Ice/Locator.h ../../../include/Ice/ProcessF.h ../../../include/Ice/ServantLocator.h ../../../include/Ice/Process.h ../../../include/Ice/Application.h ../../../include/Ice/Connection.h ../../../include/Ice/Functional.h ../../../include/Ice/Stream.h ../../../include/Ice/ImplicitContext.h ../../../include/Freeze/EvictorF.h ../../../include/Freeze/ConnectionF.h ../../../include/Freeze/Index.h ../../../include/Freeze/DB.h ../../../include/Freeze/Transaction.h ../../../include/Freeze/Evictor.h ../../../include/Freeze/Exception.h ../../../include/Freeze/Map.h ../../../include/Freeze/Connection.h ../../../include/Freeze/TransactionHolder.h
+Server$(OBJEXT): Server.cpp ./PersistentFilesystemI.h ./PersistentFilesystem.h ../../../include/Ice/LocalObjectF.h ../../../include/Ice/Handle.h ../../../include/IceUtil/Handle.h ../../../include/IceUtil/Exception.h ../../../include/IceUtil/Config.h ../../../include/Ice/Config.h ../../../include/Ice/ProxyHandle.h ../../../include/Ice/ProxyF.h ../../../include/Ice/ObjectF.h ../../../include/Ice/GCCountMap.h ../../../include/Ice/Exception.h ../../../include/Ice/LocalObject.h ../../../include/IceUtil/Shared.h ../../../include/Ice/Proxy.h ../../../include/IceUtil/Mutex.h ../../../include/IceUtil/Lock.h ../../../include/IceUtil/ThreadException.h ../../../include/Ice/ProxyFactoryF.h ../../../include/Ice/ConnectionIF.h ../../../include/Ice/EndpointIF.h ../../../include/Ice/Endpoint.h ../../../include/Ice/UndefSysMacros.h ../../../include/Ice/ObjectAdapterF.h ../../../include/Ice/ReferenceF.h ../../../include/Ice/OutgoingAsyncF.h ../../../include/Ice/Current.h ../../../include/Ice/ConnectionF.h ../../../include/Ice/Identity.h ../../../include/Ice/StreamF.h ../../../include/Ice/CommunicatorF.h ../../../include/Ice/Object.h ../../../include/Ice/GCShared.h ../../../include/Ice/IncomingAsyncF.h ../../../include/Ice/Outgoing.h ../../../include/IceUtil/Monitor.h ../../../include/IceUtil/Cond.h ../../../include/IceUtil/Time.h ../../../include/Ice/BasicStream.h ../../../include/Ice/InstanceF.h ../../../include/Ice/ObjectFactoryF.h ../../../include/Ice/Buffer.h ../../../include/Ice/Protocol.h ../../../include/Ice/StringConverter.h ../../../include/IceUtil/Unicode.h ../../../include/Ice/Incoming.h ../../../include/Ice/ServantLocatorF.h ../../../include/Ice/ServantManagerF.h ../../../include/Ice/Direct.h ../../../include/Ice/UserExceptionFactory.h ../../../include/Ice/FactoryTable.h ../../../include/Ice/FactoryTableDef.h ../../../include/IceUtil/StaticMutex.h ../../../include/Ice/UserExceptionFactoryF.h ./Filesystem.h ../../../include/IceUtil/IceUtil.h ../../../include/IceUtil/AbstractMutex.h ../../../include/IceUtil/Algorithm.h ../../../include/IceUtil/ArgVector.h ../../../include/IceUtil/Base64.h ../../../include/IceUtil/Cache.h ../../../include/IceUtil/CountDownLatch.h ../../../include/IceUtil/CtrlCHandler.h ../../../include/IceUtil/Functional.h ../../../include/IceUtil/InputUtil.h ../../../include/IceUtil/Iterator.h ../../../include/IceUtil/MD5.h ../../../include/IceUtil/Options.h ../../../include/IceUtil/RecMutex.h ../../../include/IceUtil/OutputUtil.h ../../../include/IceUtil/RWRecMutex.h ../../../include/IceUtil/Thread.h ../../../include/IceUtil/Random.h ../../../include/IceUtil/ScopedArray.h ../../../include/IceUtil/StringUtil.h ../../../include/IceUtil/UUID.h ../../../include/Freeze/Freeze.h ../../../include/Freeze/Initialize.h ../../../include/Ice/Ice.h ../../../include/Ice/Initialize.h ../../../include/Ice/PropertiesF.h ../../../include/Ice/LoggerF.h ../../../include/Ice/StatsF.h ../../../include/Ice/BuiltinSequences.h ../../../include/Ice/LocalException.h ../../../include/Ice/Properties.h ../../../include/Ice/Logger.h ../../../include/Ice/LoggerUtil.h ../../../include/Ice/Stats.h ../../../include/Ice/Communicator.h ../../../include/Ice/RouterF.h ../../../include/Ice/LocatorF.h ../../../include/Ice/PluginF.h ../../../include/Ice/ImplicitContextF.h ../../../include/Ice/ObjectFactory.h ../../../include/Ice/ObjectAdapter.h ../../../include/Ice/OutgoingAsync.h ../../../include/Ice/IncomingAsync.h ../../../include/Ice/FacetMap.h ../../../include/Ice/Locator.h ../../../include/Ice/ProcessF.h ../../../include/Ice/ServantLocator.h ../../../include/Ice/Process.h ../../../include/Ice/Application.h ../../../include/Ice/Connection.h ../../../include/Ice/Functional.h ../../../include/Ice/Stream.h ../../../include/Ice/ImplicitContext.h ../../../include/Freeze/EvictorF.h ../../../include/Freeze/ConnectionF.h ../../../include/Freeze/Index.h ../../../include/Freeze/DB.h ../../../include/Freeze/Transaction.h ../../../include/Freeze/Evictor.h ../../../include/Freeze/Exception.h ../../../include/Freeze/Map.h ../../../include/Freeze/Connection.h ../../../include/Freeze/TransactionHolder.h
+Filesystem.cpp: Filesystem.ice
+PersistentFilesystem.cpp: PersistentFilesystem.ice Filesystem.ice
+Filesystem.ice: $(SLICE2CPP) $(SLICEPARSERLIB)
+PersistentFilesystem.ice: $(SLICE2CPP) $(SLICEPARSERLIB)
diff --git a/cpp/demo/book/freeze_filesystem/Client.cpp b/cpp/demo/book/freeze_filesystem/Client.cpp
new file mode 100644
index 00000000000..96886b1228b
--- /dev/null
+++ b/cpp/demo/book/freeze_filesystem/Client.cpp
@@ -0,0 +1,151 @@
+// **********************************************************************
+//
+// Copyright (c) 2003-2007 ZeroC, Inc. All rights reserved.
+//
+// This copy of Ice is licensed to you under the terms described in the
+// ICE_LICENSE file included in this distribution.
+//
+// **********************************************************************
+
+#include <Ice/Ice.h>
+#include <Filesystem.h>
+
+using namespace std;
+using namespace Filesystem;
+
+class FilesystemClient : public Ice::Application
+{
+    virtual int run(int argc, char* argv[]);
+    virtual void interruptCallback(int);
+};
+
+int
+main(int argc, char* argv[])
+{
+    FilesystemClient app;
+    return app.main(argc, argv, "config.client");
+}
+
+int
+FilesystemClient::run(int argc, char* argv[])
+{
+    //
+    // Since this is an interactive demo we want the custom interrupt
+    // callback to be called when the process is interrupted.
+    //
+    callbackOnInterrupt();
+
+    //
+    // Create a proxy for the root directory.
+    //
+    DirectoryPrx rootDir = DirectoryPrx::checkedCast(communicator()->propertyToProxy("RootDir.Proxy"));
+    if(!rootDir)
+    {
+        cerr << argv[0] << ": invalid proxy" << endl;
+        return EXIT_FAILURE;
+    }
+
+    //
+    // Create a file called "README" in the root directory.
+    //
+    try
+    {
+        FilePrx readme = rootDir->createFile("README");
+        Lines text;
+        text.push_back("This file system contains a collection of poetry.");
+        readme->write(text);
+        cout << "Created README." << endl;
+    }
+    catch(const NameInUse&)
+    {
+        //
+        // Ignore - file already exists.
+        //
+    }
+
+    //
+    // Create a directory called "Coleridge" in the root directory.
+    //
+    DirectoryPrx coleridge;
+    try
+    {
+        coleridge = rootDir->createDirectory("Coleridge");
+        cout << "Created Coleridge." << endl;
+    }
+    catch(const NameInUse&)
+    {
+        NodeDesc desc = rootDir->resolve("Coleridge");
+        coleridge = DirectoryPrx::checkedCast(desc.proxy);
+        assert(coleridge);
+    }
+
+    //
+    // Create a file called "Kubla_Khan" in the Coleridge directory.
+    //
+    try
+    {
+        FilePrx file = coleridge->createFile("Kubla_Khan");
+        Lines text;
+        text.push_back("In Xanadu did Kubla Khan");
+        text.push_back("A stately pleasure-dome decree:");
+        text.push_back("Where Alph, the sacred river, ran");
+        text.push_back("Through caverns measureless to man");
+        text.push_back("Down to a sunless sea.");
+        file->write(text);
+        cout << "Created Coleridge/Kubla_Khan." << endl;
+    }
+    catch(const NameInUse&)
+    {
+        //
+        // Ignore - file already exists.
+        //
+    }
+
+    cout << "Contents of filesystem:" << endl;
+    NodeDict contents = rootDir->list(RecursiveList);
+    NodeDict::iterator p;
+    for(p = contents.begin(); p != contents.end(); ++p)
+    {
+        cout << "  " << p->first << endl;
+    }
+
+    NodeDesc desc = rootDir->resolve("Coleridge/Kubla_Khan");
+    FilePrx file = FilePrx::checkedCast(desc.proxy);
+    assert(file);
+    Lines text = file->read();
+    cout << "Contents of file Coleridge/Kubla_Khan:" << endl;
+    for(Lines::iterator i = text.begin(); i != text.end(); ++i)
+    {
+        cout << "  " << *i << endl;
+    }
+
+    //
+    // Destroy the filesystem.
+    //
+    contents = rootDir->list(NormalList);
+    for(p = contents.begin(); p != contents.end(); ++p)
+    {
+        cout << "Destroying " << p->first << "..." << endl;
+        p->second.proxy->destroy();
+    }
+
+    return EXIT_SUCCESS;
+}
+
+void
+FilesystemClient::interruptCallback(int)
+{
+    try
+    {
+        communicator()->destroy();
+    }
+    catch(const IceUtil::Exception& ex)
+    {
+        cerr << appName() << ": " << ex << endl;
+    }
+    catch(...)
+    {
+        cerr << appName() << ": unknown exception" << endl;
+    }
+    exit(EXIT_SUCCESS);
+}
diff --git a/cpp/demo/book/freeze_filesystem/Filesystem.ice b/cpp/demo/book/freeze_filesystem/Filesystem.ice
new file mode 100644
index 00000000000..61917b1e888
--- /dev/null
+++ b/cpp/demo/book/freeze_filesystem/Filesystem.ice
@@ -0,0 +1,69 @@
+// **********************************************************************
+//
+// Copyright (c) 2003-2007 ZeroC, Inc. All rights reserved.
+//
+// This copy of Ice is licensed to you under the terms described in the
+// ICE_LICENSE file included in this distribution.
+//
+// **********************************************************************
+
+module Filesystem
+{
+    exception GenericError
+    {
+        string reason;
+    };
+    exception PermissionDenied extends GenericError {};
+    exception NameInUse extends GenericError {};
+    exception IllegalName extends GenericError {};
+    exception NoSuchName extends GenericError {};
+
+    interface Node
+    {
+        idempotent string name();
+
+        ["freeze:write"]
+        void destroy()
+            throws PermissionDenied;
+    };
+
+    sequence<string> Lines;
+
+    interface File extends Node
+    {
+        idempotent Lines read();
+
+        ["freeze:write"]
+        idempotent void write(Lines text)
+            throws GenericError;
+    };
+
+    enum NodeType { DirType, FileType };
+
+    struct NodeDesc
+    {
+        string name;
+        NodeType type;
+        Node* proxy;
+    };
+
+    dictionary<string, NodeDesc> NodeDict;
+
+    enum ListMode { NormalList, RecursiveList };
+
+    interface Directory extends Node
+    {
+        idempotent NodeDict list(ListMode mode);
+
+        idempotent NodeDesc resolve(string path)
+            throws NoSuchName;
+
+        ["freeze:write"]
+        File* createFile(string name)
+            throws NameInUse, IllegalName;
+
+        ["freeze:write"]
+        Directory* createDirectory(string name)
+            throws NameInUse, IllegalName;
+    };
+};
diff --git a/cpp/demo/book/freeze_filesystem/Makefile b/cpp/demo/book/freeze_filesystem/Makefile
new file mode 100644
index 00000000000..880cf9f4e12
--- /dev/null
+++ b/cpp/demo/book/freeze_filesystem/Makefile
@@ -0,0 +1,49 @@
+# **********************************************************************
+#
+# Copyright (c) 2003-2007 ZeroC, Inc. All rights reserved.
+#
+# This copy of Ice is licensed to you under the terms described in the
+# ICE_LICENSE file included in this distribution.
+#
+# **********************************************************************
+
+top_srcdir	= ../../..
+
+CLIENT		= client
+SERVER		= server
+
+TARGETS		= $(CLIENT) $(SERVER)
+
+OBJS		= Filesystem.o
+
+COBJS		= Client.o
+
+SOBJS		= PersistentFilesystem.o \
+		  PersistentFilesystemI.o \
+		  Server.o
+
+SRCS		= $(OBJS:.o=.cpp) \
+		  $(COBJS:.o=.cpp) \
+		  $(SOBJS:.o=.cpp) \
+		  $(COLOBJS:.o=.cpp)
+
+SLICE_SRCS	= Filesystem.ice PersistentFilesystem.ice
+
+include $(top_srcdir)/config/Make.rules
+
+CPPFLAGS	:= -I. $(READLINE_FLAGS) $(CPPFLAGS)
+SLICE2CPPFLAGS	:= -I. $(SLICE2CPPFLAGS)
+
+$(CLIENT): $(OBJS) $(COBJS)
+	rm -f $@
+	$(CXX) $(LDFLAGS) -o $@ $(OBJS) $(COBJS) $(LIBS) $(READLINE_LIBS)
+
+$(SERVER): $(OBJS) $(SOBJS)
+	rm -f $@
+	$(CXX) $(LDFLAGS) -o $@ $(OBJS) $(SOBJS) $(DB_RPATH_LINK) -lFreeze $(LIBS)
+
+clean::
+	rm -f Grammar.cpp Grammar.h
+	rm -f Scanner.cpp
+
+include .depend
diff --git a/cpp/demo/book/freeze_filesystem/Makefile.mak b/cpp/demo/book/freeze_filesystem/Makefile.mak
new file mode 100644
index 00000000000..fb5130dd3d2
--- /dev/null
+++ b/cpp/demo/book/freeze_filesystem/Makefile.mak
@@ -0,0 +1,54 @@
+# **********************************************************************
+#
+# Copyright (c) 2003-2007 ZeroC, Inc. All rights reserved.
+#
+# This copy of Ice is licensed to you under the terms described in the
+# ICE_LICENSE file included in this distribution.
+#
+# **********************************************************************
+
+top_srcdir	= ..\..\..
+
+CLIENT		= client.exe
+SERVER		= server.exe
+
+TARGETS		= $(CLIENT) $(SERVER)
+
+OBJS		= Library.obj
+
+COBJS		= Client.obj
+
+SOBJS		= PersistentFilesystem.obj \
+		  PersistentFilesystemI.obj \
+		  Server.obj
+
+SRCS		= $(OBJS:.obj=.cpp) \
+		  $(COBJS:.obj=.cpp) \
+		  $(SOBJS:.obj=.cpp) \
+		  $(COLOBJS:.obj=.cpp)
+
+!include $(top_srcdir)/config/Make.rules.mak
+
+CPPFLAGS	= -I. -Idummyinclude $(CPPFLAGS) -DWIN32_LEAN_AND_MEAN
+SLICE2CPPFLAGS	= -I. $(SLICE2CPPFLAGS)
+
+!if "$(CPP_COMPILER)" != "BCC2006" & "$(OPTIMIZE)" != "yes"
+CPDBFLAGS        = /pdb:$(CLIENT:.exe=.pdb)
+SPDBFLAGS        = /pdb:$(SERVER:.exe=.pdb)
+!endif
+
+$(CLIENT): $(OBJS) $(COBJS)
+	$(LINK) $(LD_EXEFLAGS) $(CPDBFLAGS) $(SETARGV) $(OBJS) $(COBJS) $(PREOUT)$@ $(PRELIBS)$(LIBS)
+	@if exist $@.manifest echo ^ ^ ^ Embedding manifest using $(MT) && \
+	    $(MT) -nologo -manifest $@.manifest -outputresource:$@;#1 && del /q $@.manifest
+
+$(SERVER): $(OBJS) $(SOBJS)
+	$(LINK) $(LD_EXEFLAGS) $(SPDBFLAGS) $(SETARGV) $(OBJS) $(SOBJS) $(PREOUT)$@ $(PRELIBS)$(LIBS) freeze$(LIBSUFFIX).lib
+	@if exist $@.manifest echo ^ ^ ^ Embedding manifest using $(MT) && \
+	    $(MT) -nologo -manifest $@.manifest -outputresource:$@;#1 && del /q $@.manifest
+
+clean::
+	del /q Filesystem.cpp Filesystem.h
+	del /q PersistentFilesystem.cpp PersistentFilesystem.h
+
+!include .depend
diff --git a/cpp/demo/book/freeze_filesystem/PersistentFilesystem.ice b/cpp/demo/book/freeze_filesystem/PersistentFilesystem.ice
new file mode 100644
index 00000000000..174ba7aec3d
--- /dev/null
+++ b/cpp/demo/book/freeze_filesystem/PersistentFilesystem.ice
@@ -0,0 +1,34 @@
+// **********************************************************************
+//
+// Copyright (c) 2003-2007 ZeroC, Inc. All rights reserved.
+//
+// This copy of Ice is licensed to you under the terms described in the
+// ICE_LICENSE file included in this distribution.
+//
+// **********************************************************************
+
+#include <Filesystem.ice>
+
+module Filesystem
+{
+    class PersistentDirectory;
+
+    class PersistentNode implements Node
+    {
+        string nodeName;
+        PersistentDirectory* parent;
+    };
+
+    class PersistentFile extends PersistentNode implements File
+    {
+        Lines text;
+    };
+
+    class PersistentDirectory extends PersistentNode implements Directory
+    {
+        ["freeze:write"]
+        void removeNode(string name);
+
+        NodeDict nodes;
+    };
+};
diff --git a/cpp/demo/book/freeze_filesystem/PersistentFilesystemI.cpp b/cpp/demo/book/freeze_filesystem/PersistentFilesystemI.cpp
new file mode 100644
index 00000000000..af6f5a853ab
--- /dev/null
+++ b/cpp/demo/book/freeze_filesystem/PersistentFilesystemI.cpp
@@ -0,0 +1,331 @@
+// **********************************************************************
+//
+// Copyright (c) 2003-2007 ZeroC, Inc. All rights reserved.
+//
+// This copy of Ice is licensed to you under the terms described in the
+// ICE_LICENSE file included in this distribution.
+//
+// **********************************************************************
+
+#include <PersistentFilesystemI.h>
+
+using namespace std;
+
+//
+// Filesystem::NodeI
+//
+Ice::ObjectAdapterPtr Filesystem::NodeI::_adapter;
+Freeze::EvictorPtr Filesystem::NodeI::_evictor;
+
+Filesystem::NodeI::NodeI()
+{
+}
+
+Filesystem::NodeI::NodeI(const Ice::Identity& id)
+    : _ID(id)
+{
+}
+
+//
+// Filesystem::FileI
+//
+string
+Filesystem::FileI::name(const Ice::Current&)
+{
+    return nodeName;
+}
+
+void
+Filesystem::FileI::destroy(const Ice::Current&)
+{
+    parent->removeNode(nodeName);
+    _evictor->remove(_ID);
+}
+
+Filesystem::Lines
+Filesystem::FileI::read(const Ice::Current&)
+{
+    IceUtil::Mutex::Lock lock(*this);
+    return text;
+}
+
+void
+Filesystem::FileI::write(const Filesystem::Lines& text, const Ice::Current&)
+{
+    IceUtil::Mutex::Lock lock(*this);
+    this->text = text;
+}
+
+Filesystem::FileI::FileI()
+{
+}
+
+Filesystem::FileI::FileI(const Ice::Identity& id)
+    : NodeI(id)
+{
+}
+
+//
+// Filesystem::DirectoryI
+//
+string
+Filesystem::DirectoryI::name(const Ice::Current& current)
+{
+    IceUtil::Mutex::Lock lock(*this);
+
+    if(_destroyed)
+    {
+        throw Ice::ObjectNotExistException(__FILE__, __LINE__, current.id, current.facet, current.operation);
+    }
+
+    return nodeName;
+}
+
+void
+Filesystem::DirectoryI::destroy(const Ice::Current& current)
+{
+    if(!parent)
+    {
+        throw Filesystem::PermissionDenied("cannot remove root directory");
+    }
+
+    NodeDict children;
+
+    {
+        IceUtil::Mutex::Lock lock(*this);
+
+        if(_destroyed)
+        {
+            throw Ice::ObjectNotExistException(__FILE__, __LINE__, current.id, current.facet, current.operation);
+        }
+
+        children = nodes;
+        _destroyed = true;
+    }
+
+    //
+    // We must iterate over the children outside of synchronization.
+    //
+    for(NodeDict::iterator p = children.begin(); p != children.end(); ++p)
+    {
+        p->second.proxy->destroy();
+    }
+
+    assert(nodes.empty());
+
+    parent->removeNode(nodeName);
+    _evictor->remove(_ID);
+}
+
+Filesystem::NodeDict
+Filesystem::DirectoryI::list(Filesystem::ListMode mode, const Ice::Current& current)
+{
+    NodeDict result;
+    {
+        IceUtil::Mutex::Lock lock(*this);
+
+        if(_destroyed)
+        {
+            throw Ice::ObjectNotExistException(__FILE__, __LINE__, current.id, current.facet, current.operation);
+        }
+
+        result = nodes;
+    }
+
+    if(mode == RecursiveList)
+    {
+        for(NodeDict::iterator p = result.begin(); p != result.end(); ++p)
+        {
+            if(p->second.type == DirType)
+            {
+                DirectoryPrx dir = DirectoryPrx::uncheckedCast(p->second.proxy);
+                NodeDict d = dir->list(mode);
+                for(NodeDict::iterator q = d.begin(); q != d.end(); ++q)
+                {
+                    result[p->second.name + "/" + q->second.name] = q->second;
+                }
+            }
+        }
+    }
+
+    return result;
+}
+
+Filesystem::NodeDesc
+Filesystem::DirectoryI::resolve(const string& path, const Ice::Current& current)
+{
+    string::size_type pos = path.find('/');
+    string child, remainder;
+    if(pos == string::npos)
+    {
+        child = path;
+    }
+    else
+    {
+        child = path.substr(0, pos);
+        pos = path.find_first_not_of("/", pos);
+        if(pos != string::npos)
+        {
+            remainder = path.substr(pos);
+        }
+    }
+
+    IceUtil::Mutex::Lock lock(*this);
+
+    if(_destroyed)
+    {
+        throw Ice::ObjectNotExistException(__FILE__, __LINE__, current.id, current.facet, current.operation);
+    }
+
+    NodeDict::iterator p = nodes.find(child);
+    if(p == nodes.end())
+    {
+        throw NoSuchName("no node exists with name `" + child + "'");
+    }
+
+    if(remainder.empty())
+    {
+        return p->second;
+    }
+    else
+    {
+        if(p->second.type != DirType)
+        {
+            throw NoSuchName("node `" + child + "' is not a directory");
+        }
+        DirectoryPrx dir = DirectoryPrx::checkedCast(p->second.proxy);
+        assert(dir);
+        return dir->resolve(remainder);
+    }
+}
+
+Filesystem::DirectoryPrx
+Filesystem::DirectoryI::createDirectory(const string& name, const Ice::Current& current)
+{
+    IceUtil::Mutex::Lock lock(*this);
+
+    if(_destroyed)
+    {
+        throw Ice::ObjectNotExistException(__FILE__, __LINE__, current.id, current.facet, current.operation);
+    }
+
+    checkName(name);
+
+    Ice::Identity id = current.adapter->getCommunicator()->stringToIdentity(IceUtil::generateUUID());
+    PersistentDirectoryPtr dir = new DirectoryI(id);
+    dir->nodeName = name;
+    dir->parent = PersistentDirectoryPrx::uncheckedCast(current.adapter->createProxy(current.id));
+    DirectoryPrx proxy = DirectoryPrx::uncheckedCast(_evictor->add(dir, id));
+
+    NodeDesc nd;
+    nd.name = name;
+    nd.type = DirType;
+    nd.proxy = proxy;
+    nodes[name] = nd;
+
+    return proxy;
+}
+
+Filesystem::FilePrx
+Filesystem::DirectoryI::createFile(const string& name, const Ice::Current& current)
+{
+    IceUtil::Mutex::Lock lock(*this);
+
+    if(_destroyed)
+    {
+        throw Ice::ObjectNotExistException(__FILE__, __LINE__, current.id, current.facet, current.operation);
+    }
+
+    checkName(name);
+
+    Ice::Identity id = current.adapter->getCommunicator()->stringToIdentity(IceUtil::generateUUID());
+    PersistentFilePtr file = new FileI(id);
+    file->nodeName = name;
+    file->parent = PersistentDirectoryPrx::uncheckedCast(current.adapter->createProxy(current.id));
+    FilePrx proxy = FilePrx::uncheckedCast(_evictor->add(file, id));
+
+    NodeDesc nd;
+    nd.name = name;
+    nd.type = FileType;
+    nd.proxy = proxy;
+    nodes[name] = nd;
+
+    return proxy;
+}
+
+void
+Filesystem::DirectoryI::removeNode(const string& name, const Ice::Current&)
+{
+    IceUtil::Mutex::Lock lock(*this);
+
+    NodeDict::iterator p = nodes.find(name);
+    assert(p != nodes.end());
+    nodes.erase(p);
+}
+
+Filesystem::DirectoryI::DirectoryI() :
+    _destroyed(false)
+{
+}
+
+Filesystem::DirectoryI::DirectoryI(const Ice::Identity& id) :
+    NodeI(id), _destroyed(false)
+{
+}
+
+void
+Filesystem::DirectoryI::checkName(const string& name) const
+{
+    if(name.empty() || name.find('/') != string::npos)
+    {
+        IllegalName e;
+        e.reason = "illegal name `" + name + "'";
+        throw e;
+    }
+
+    NodeDict::const_iterator p = nodes.find(name);
+    if(p != nodes.end())
+    {
+        throw NameInUse("name `" + name + "' is already in use");
+    }
+}
+
+//
+// Filesystem::NodeFactory
+//
+Ice::ObjectPtr
+Filesystem::NodeFactory::create(const string& type)
+{
+    if(type == "::Filesystem::PersistentFile")
+    {
+        return new FileI;
+    }
+    else if(type == "::Filesystem::PersistentDirectory")
+    {
+        return new DirectoryI;
+    }
+    else
+    {
+        assert(false);
+        return 0;
+    }
+}
+
+void
+Filesystem::NodeFactory::destroy()
+{
+}
+
+//
+// Filesystem::NodeInitializer
+//
+void
+Filesystem::NodeInitializer::initialize(const Ice::ObjectAdapterPtr&,
+                                        const Ice::Identity& id,
+                                        const string& facet,
+                                        const Ice::ObjectPtr& obj)
+{
+    NodeIPtr node = NodeIPtr::dynamicCast(obj);
+    assert(node);
+    const_cast<Ice::Identity&>(node->_ID) = id;
+}
diff --git a/cpp/demo/book/freeze_filesystem/PersistentFilesystemI.h b/cpp/demo/book/freeze_filesystem/PersistentFilesystemI.h
new file mode 100644
index 00000000000..6114fc02210
--- /dev/null
+++ b/cpp/demo/book/freeze_filesystem/PersistentFilesystemI.h
@@ -0,0 +1,98 @@
+// **********************************************************************
+//
+// Copyright (c) 2003-2007 ZeroC, Inc. All rights reserved.
+//
+// This copy of Ice is licensed to you under the terms described in the
+// ICE_LICENSE file included in this distribution.
+//
+// **********************************************************************
+
+#ifndef PERSISTENT_FILESYSTEM_I_H
+#define PERSISTENT_FILESYSTEM_I_H
+
+#include <PersistentFilesystem.h>
+#include <IceUtil/IceUtil.h>
+#include <Freeze/Freeze.h>
+
+namespace Filesystem
+{
+
+class NodeI : virtual public PersistentNode,
+              public IceUtil::AbstractMutexI<IceUtil::Mutex>
+{
+public:
+
+    static Ice::ObjectAdapterPtr _adapter;
+    static Freeze::EvictorPtr _evictor;
+
+protected:
+
+    NodeI();
+    NodeI(const Ice::Identity&);
+
+public:
+
+    const Ice::Identity _ID;
+};
+typedef IceUtil::Handle<NodeI> NodeIPtr;
+
+class FileI : virtual public PersistentFile,
+              virtual public NodeI
+{
+public:
+
+    virtual std::string name(const Ice::Current&);
+    virtual void destroy(const Ice::Current&);
+
+    virtual Lines read(const Ice::Current&);
+    virtual void write(const Lines&, const Ice::Current&);
+
+    FileI();
+    FileI(const Ice::Identity&);
+};
+
+class DirectoryI : virtual public PersistentDirectory,
+                   virtual public NodeI
+{
+public:
+
+    virtual std::string name(const Ice::Current&);
+    virtual void destroy(const Ice::Current&);
+
+    virtual NodeDict list(ListMode, const Ice::Current&);
+    virtual NodeDesc resolve(const std::string&, const Ice::Current&);
+    virtual DirectoryPrx createDirectory(const std::string&, const Ice::Current&);
+    virtual FilePrx createFile(const std::string&, const Ice::Current&);
+    virtual void removeNode(const std::string&, const Ice::Current&);
+
+    DirectoryI();
+    DirectoryI(const Ice::Identity&);
+
+private:
+
+    void checkName(const std::string&) const;
+
+    bool _destroyed;
+};
+
+class NodeFactory : virtual public Ice::ObjectFactory
+{
+public:
+
+    virtual Ice::ObjectPtr create(const std::string&);
+    virtual void destroy();
+};
+
+class NodeInitializer : virtual public Freeze::ServantInitializer
+{
+public:
+
+    virtual void initialize(const Ice::ObjectAdapterPtr&,
+                            const Ice::Identity&,
+                            const std::string&,
+                            const Ice::ObjectPtr&);
+};
+
+}
+
+#endif
diff --git a/cpp/demo/book/freeze_filesystem/Server.cpp b/cpp/demo/book/freeze_filesystem/Server.cpp
new file mode 100644
index 00000000000..79dfb9365cc
--- /dev/null
+++ b/cpp/demo/book/freeze_filesystem/Server.cpp
@@ -0,0 +1,84 @@
+// **********************************************************************
+//
+// Copyright (c) 2003-2007 ZeroC, Inc. All rights reserved.
+//
+// This copy of Ice is licensed to you under the terms described in the
+// ICE_LICENSE file included in this distribution.
+//
+// **********************************************************************
+
+#include <PersistentFilesystemI.h>
+
+using namespace std;
+using namespace Filesystem;
+
+class FilesystemApp : virtual public Ice::Application
+{
+public:
+
+    FilesystemApp(const string& envName) :
+        _envName(envName)
+    {
+    }
+
+    virtual int run(int, char*[])
+    {
+        //
+        // Install object factories.
+        //
+        Ice::ObjectFactoryPtr factory = new NodeFactory;
+        communicator()->addObjectFactory(factory, PersistentFile::ice_staticId());
+        communicator()->addObjectFactory(factory, PersistentDirectory::ice_staticId());
+
+        //
+        // Create an object adapter (stored in the NodeI::_adapter static member).
+        //
+        NodeI::_adapter = communicator()->createObjectAdapterWithEndpoints("FreezeFilesystem", "default -p 10000");
+
+        //
+        // Create the Freeze evictor (stored in the NodeI::_evictor static member).
+        //
+        Freeze::ServantInitializerPtr init = new NodeInitializer;
+        NodeI::_evictor = Freeze::createEvictor(NodeI::_adapter, _envName, "evictorfs", init);
+
+        NodeI::_adapter->addServantLocator(NodeI::_evictor, "");
+
+        //
+        // Create the root node if it doesn't exist.
+        //
+        Ice::Identity rootId = communicator()->stringToIdentity("RootDir");
+        if(!NodeI::_evictor->hasObject(rootId))
+        {
+            PersistentDirectoryPtr root = new DirectoryI(rootId);
+            root->nodeName = "/";
+            NodeI::_evictor->add(root, rootId);
+        }
+
+        //
+        // Ready to accept requests now.
+        //
+        NodeI::_adapter->activate();
+
+        //
+        // Wait until we are done.
+        //
+        communicator()->waitForShutdown();
+        if(interrupted())
+        {
+            cerr << appName() << ": received signal, shutting down" << endl;
+        }
+
+        return 0;
+    }
+
+private:
+
+    string _envName;
+};
+
+int
+main(int argc, char* argv[])
+{
+    FilesystemApp app("db");
+    return app.main(argc, argv, "config.server");
+}
diff --git a/cpp/demo/book/freeze_filesystem/config.client b/cpp/demo/book/freeze_filesystem/config.client
new file mode 100644
index 00000000000..4bd7574216d
--- /dev/null
+++ b/cpp/demo/book/freeze_filesystem/config.client
@@ -0,0 +1,28 @@
+#
+# The client reads this property to create the reference to the
+# "library" object in the server.
+#
+RootDir.Proxy=RootDir:default -p 10000
+
+#
+# Warn about connection exceptions
+#
+Ice.Warn.Connections=1
+
+#
+# Network Tracing
+#
+# 0 = no network tracing
+# 1 = trace connection establishment and closure
+# 2 = like 1, but more detailed
+# 3 = like 2, but also trace data transfer
+#
+#Ice.Trace.Network=1
+
+#
+# Protocol Tracing
+#
+# 0 = no protocol tracing
+# 1 = trace protocol messages
+#
+#Ice.Trace.Protocol=1
diff --git a/cpp/demo/book/freeze_filesystem/config.server b/cpp/demo/book/freeze_filesystem/config.server
new file mode 100644
index 00000000000..2370acc99a5
--- /dev/null
+++ b/cpp/demo/book/freeze_filesystem/config.server
@@ -0,0 +1,27 @@
+FreezeFilesystem.Endpoints=default -p 10000
+
+Freeze.Trace.Map=1
+Freeze.Trace.Evictor=2
+
+#
+# Warn about connection exceptions
+#
+Ice.Warn.Connections=1
+
+#
+# Network Tracing
+#
+# 0 = no network tracing
+# 1 = trace connection establishment and closure
+# 2 = like 1, but more detailed
+# 3 = like 2, but also trace data transfer
+#
+#Ice.Trace.Network=1
+
+#
+# Protocol Tracing
+#
+# 0 = no protocol tracing
+# 1 = trace protocol messages
+#
+#Ice.Trace.Protocol=1
diff --git a/cpp/demo/book/freeze_filesystem/db/.dummy b/cpp/demo/book/freeze_filesystem/db/.dummy
new file mode 100644
index 00000000000..029d4b7cff2
--- /dev/null
+++ b/cpp/demo/book/freeze_filesystem/db/.dummy
@@ -0,0 +1 @@
+Dummy file, so that `cvs export' creates this otherwise empty directory.