89 lines
2.9 KiB
C++
89 lines
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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/* Information:
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* This class implements a mechanism to lock a users installation directory,
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* which is necessary because instances of staroffice could be running on
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* different hosts while using the same directory thus causing data
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* inconsistency.
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* When an existing lock is detected, the user will be asked whether he wants
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* to continue anyway, thus removing the lock and replacing it with a new one
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*
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* ideas:
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* - store information about user and host and time in the lockfile and display
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* these when asking whether to remove the lockfile.
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* - periodically check the lockfile and warn the user when it gets replaced
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*
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*/
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#pragma once
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#include <rtl/ustring.hxx>
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#include "dp_misc_api.hxx"
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#define LOCKFILE_GROUP "Lockdata"
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#define LOCKFILE_USERKEY "User"
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#define LOCKFILE_HOSTKEY "Host"
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#define LOCKFILE_STAMPKEY "Stamp"
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#define LOCKFILE_TIMEKEY "Time"
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#define LOCKFILE_IPCKEY "IPCServer"
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namespace desktop {
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class Lockfile;
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bool Lockfile_execWarning( Lockfile const * that );
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class DESKTOP_DEPLOYMENTMISC_DLLPUBLIC Lockfile
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{
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public:
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// constructs a new lockfile object
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Lockfile( bool bIPCserver = true );
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// separating GUI code:
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typedef bool (* fpExecWarning)( Lockfile const * that );
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// checks the lockfile, asks user when lockfile is
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// found (iff gui) and returns false when we may not continue
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bool check( fpExecWarning execWarning );
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// removes the lockfile
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~Lockfile();
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private:
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bool m_bIPCserver;
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// full qualified name (file://-url) of the lockfile
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OUString m_aLockname;
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// flag whether the d'tor should delete the lock
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bool m_bRemove;
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bool m_bIsLocked;
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// ID
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OUString m_aId;
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OUString m_aDate;
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// access to data in file
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void syncToFile() const;
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bool isStale() const;
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friend bool Lockfile_execWarning( Lockfile const * that );
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};
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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