1 files changed, 151 insertions, 0 deletions
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);
+}