100 lines
3.1 KiB
C++
100 lines
3.1 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2014-2015 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
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* Copyright (C) 2014-2017 KiCad Developers, see AUTHORS.TXT for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <memory>
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#include <build_version.h>
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#include <lockfile.h>
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#include <wx/filename.h>
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#include <wx/snglinst.h>
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std::unique_ptr<wxSingleInstanceChecker> LockFile( const wxString& aFileName )
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{
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// first make absolute and normalize, to avoid that different lock files
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// for the same file can be created
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wxFileName fn( aFileName );
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fn.MakeAbsolute();
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wxString lockFileName = fn.GetFullPath() + wxT( ".lock" );
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lockFileName.Replace( wxT( "/" ), wxT( "_" ) );
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// We can have filenames coming from Windows, so also convert Windows separator
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lockFileName.Replace( wxT( "\\" ), wxT( "_" ) );
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auto p = std::make_unique<wxSingleInstanceChecker>( lockFileName,
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GetKicadLockFilePath() );
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if( p->IsAnotherRunning() )
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{
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p = nullptr;
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}
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return p;
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}
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wxString GetKicadLockFilePath()
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{
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wxFileName lockpath;
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lockpath.AssignDir( wxGetHomeDir() ); // Default wx behavior
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#if defined( __WXMAC__ )
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// In OSX use the standard per user cache directory
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lockpath.AppendDir( wxT( "Library" ) );
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lockpath.AppendDir( wxT( "Caches" ) );
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lockpath.AppendDir( wxT( "kicad" ) );
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#elif defined( __UNIX__ )
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wxString envstr;
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// Try first the standard XDG_RUNTIME_DIR, falling back to XDG_CACHE_HOME
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if( wxGetEnv( wxT( "XDG_RUNTIME_DIR" ), &envstr ) && !envstr.IsEmpty() )
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{
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lockpath.AssignDir( envstr );
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}
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else if( wxGetEnv( wxT( "XDG_CACHE_HOME" ), &envstr ) && !envstr.IsEmpty() )
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{
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lockpath.AssignDir( envstr );
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}
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else
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{
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// If all fails, just use ~/.cache
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lockpath.AppendDir( wxT( ".cache" ) );
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}
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lockpath.AppendDir( wxString::Format( "kicad_v%s", GetMajorMinorVersion() ) );
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#endif
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#if defined( __WXMAC__ ) || defined( __UNIX__ )
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if( !lockpath.DirExists() )
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{
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// Lockfiles should be only readable by the user
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lockpath.Mkdir( 0700, wxPATH_MKDIR_FULL );
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}
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#endif
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return lockpath.GetPath();
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}
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