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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /desktop/source/deployment/inc/lockfile.hxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'desktop/source/deployment/inc/lockfile.hxx')
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1 files changed, 89 insertions, 0 deletions
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+/* Information:
+ * This class implements a mechanism to lock a users installation directory,
+ * which is necessary because instances of staroffice could be running on
+ * different hosts while using the same directory thus causing data
+ * inconsistency.
+ * When an existing lock is detected, the user will be asked whether he wants
+ * to continue anyway, thus removing the lock and replacing it with a new one
+ *
+ * ideas:
+ * - store information about user and host and time in the lockfile and display
+ * these when asking whether to remove the lockfile.
+ * - periodically check the lockfile and warn the user when it gets replaced
+ *
+ */
+
+#pragma once
+
+#include <rtl/ustring.hxx>
+
+#include "dp_misc_api.hxx"
+
+#define LOCKFILE_GROUP "Lockdata"
+#define LOCKFILE_USERKEY "User"
+#define LOCKFILE_HOSTKEY "Host"
+#define LOCKFILE_STAMPKEY "Stamp"
+#define LOCKFILE_TIMEKEY "Time"
+#define LOCKFILE_IPCKEY "IPCServer"
+
+namespace desktop {
+
+ class Lockfile;
+ bool Lockfile_execWarning( Lockfile const * that );
+
+ class DESKTOP_DEPLOYMENTMISC_DLLPUBLIC Lockfile
+ {
+ public:
+
+ // constructs a new lockfile object
+ Lockfile( bool bIPCserver = true );
+
+ // separating GUI code:
+ typedef bool (* fpExecWarning)( Lockfile const * that );
+
+ // checks the lockfile, asks user when lockfile is
+ // found (iff gui) and returns false when we may not continue
+ bool check( fpExecWarning execWarning );
+
+ // removes the lockfile
+ ~Lockfile();
+
+ private:
+ bool m_bIPCserver;
+ // full qualified name (file://-url) of the lockfile
+ OUString m_aLockname;
+ // flag whether the d'tor should delete the lock
+ bool m_bRemove;
+ bool m_bIsLocked;
+ // ID
+ OUString m_aId;
+ OUString m_aDate;
+ // access to data in file
+ void syncToFile() const;
+ bool isStale() const;
+ friend bool Lockfile_execWarning( Lockfile const * that );
+
+ };
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */