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// **********************************************************************
//
// Copyright (c) 2003-2009 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>
#include <Ice/Application.h>
#include <Freeze/Freeze.h>

using namespace std;
using namespace Filesystem;

class FilesystemApp : public virtual Ice::Application
{
public:

    FilesystemApp(const string& envName)
        : _envName(envName)
    {
    }

    virtual int run(int, char*[])
    {
        // Terminate cleanly on receipt of a signal
        //
        shutdownOnInterrupt();

        // Install object factories
        //
        communicator()->addObjectFactory(PersistentFile::ice_factory(), PersistentFile::ice_staticId());
        communicator()->addObjectFactory(PersistentDirectory::ice_factory(), PersistentDirectory::ice_staticId());

        // Create an object adapter
        //
        Ice::ObjectAdapterPtr adapter = communicator()->createObjectAdapter("MapFilesystem");

        // Create a Freeze connection and the map
        //
        Freeze::ConnectionPtr connection = Freeze::createConnection(communicator(), _envName);
        IdentityNodeMap persistentMap(connection, "mapfs");

        // Set static members
        //
        NodeI::_map = &persistentMap;
        DirectoryI::_communicator = communicator();
        DirectoryI::_adapter = adapter;

        // Find the persistent node for the root directory, or create it if not found
        //
        Ice::Identity rootId = communicator()->stringToIdentity("RootDir");
        PersistentDirectoryPtr pRoot;
        {
            IdentityNodeMap::iterator p = persistentMap.find(rootId);
            if(p != persistentMap.end())
            {
                pRoot = PersistentDirectoryPtr::dynamicCast(p->second);
                assert(pRoot);
            }
            else
            {
                pRoot = new PersistentDirectory;
                pRoot->name = "/";
                persistentMap.insert(IdentityNodeMap::value_type(rootId, pRoot));
            }
        }

        // Create the root directory (with name "/" and no parent)
        //
        DirectoryIPtr root = new DirectoryI(rootId, pRoot, 0);
        adapter->add(root, rootId);

        // Ready to accept requests now
        //
        adapter->activate();

        // Wait until we are done
        //
        communicator()->waitForShutdown();

        // Clean up
        //
        if(interrupted())
        {
            cerr << appName() << ": received signal, shutting down" << endl;
        }
        connection->close();

        return 0;
    }

private:
    string _envName;
};

int
main(int argc, char* argv[])
{
    FilesystemApp app("db");
    return app.main(argc, argv, "config.server");
}