LCOV - code coverage report
Current view: top level - ucb/source/ucp/file - filrec.cxx (source / functions) Hit Total Coverage
Test: commit 10e77ab3ff6f4314137acd6e2702a6e5c1ce1fae Lines: 52 80 65.0 %
Date: 2014-11-03 Functions: 9 11 81.8 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : 
      21             : #include "filrec.hxx"
      22             : 
      23             : namespace fileaccess {
      24             : 
      25           0 : void ReconnectingFile::disconnect()
      26             : {
      27           0 :     m_aFile.close();
      28           0 :     m_bDisconnect = true;
      29           0 : }
      30             : 
      31           0 : bool ReconnectingFile::reconnect()
      32             : {
      33           0 :     bool bResult = false;
      34           0 :     if ( m_bFlagsSet )
      35             :     {
      36           0 :         disconnect();
      37           0 :         if ( m_aFile.open( m_nFlags ) == ::osl::FileBase::E_None
      38           0 :           || m_aFile.open( osl_File_OpenFlag_Read ) == ::osl::FileBase::E_None )
      39             :         {
      40           0 :             m_bDisconnect = false;
      41           0 :             bResult = true;
      42             :         }
      43             :     }
      44             : 
      45           0 :     return bResult;
      46             : }
      47             : 
      48       53123 : ::osl::FileBase::RC ReconnectingFile::open( sal_uInt32 uFlags )
      49             : {
      50       53123 :     ::osl::FileBase::RC nResult = m_aFile.open( uFlags );
      51       53123 :     if ( nResult == ::osl::FileBase::E_None )
      52             :     {
      53       52917 :         if ( uFlags & osl_File_OpenFlag_Create )
      54           0 :             m_nFlags = (uFlags & ( ~osl_File_OpenFlag_Create )) | osl_File_OpenFlag_Write;
      55             :         else
      56       52917 :             m_nFlags = uFlags;
      57             : 
      58       52917 :         m_bFlagsSet = true;
      59             :     }
      60             : 
      61       53123 :     return nResult;
      62             : }
      63             : 
      64      106196 : ::osl::FileBase::RC ReconnectingFile::close()
      65             : {
      66      106196 :     m_nFlags = 0;
      67      106196 :     m_bFlagsSet = false;
      68      106196 :     m_bDisconnect = false;
      69             : 
      70      106196 :     return m_aFile.close();
      71             : }
      72             : 
      73      591058 : ::osl::FileBase::RC ReconnectingFile::setPos( sal_uInt32 uHow, sal_Int64 uPos )
      74             : {
      75      591058 :     ::osl::FileBase::RC nRes = ::osl::FileBase::E_NETWORK;
      76             : 
      77      591058 :     if ( uHow == osl_Pos_Absolut && uPos > 0 )
      78             :     {
      79      694444 :         if ( m_bDisconnect )
      80             :         {
      81           0 :             if ( reconnect() )
      82           0 :                 nRes = m_aFile.setPos( uHow, uPos );
      83             :         }
      84             :         else
      85             :         {
      86             :             // E_INVAL error code means in this case that
      87             :             // the file handler is invalid
      88      347222 :             nRes = m_aFile.setPos( uHow, uPos );
      89      347222 :             if ( ( nRes == ::osl::FileBase::E_NETWORK
      90      347222 :                 || nRes == ::osl::FileBase::E_INVAL )
      91      347222 :               && reconnect() )
      92           0 :                 nRes = m_aFile.setPos( uHow, uPos );
      93             :         }
      94             :     }
      95             :     else
      96             :     {
      97      243836 :         if ( !m_bDisconnect )
      98      243836 :             nRes = m_aFile.setPos( uHow, uPos );
      99             :     }
     100             : 
     101      591058 :     return nRes;
     102             : }
     103             : 
     104     7143361 : ::osl::FileBase::RC ReconnectingFile::getPos( sal_uInt64& uPos )
     105             : {
     106     7143361 :     if ( m_bDisconnect )
     107           0 :         return ::osl::FileBase::E_NETWORK;
     108             : 
     109     7143361 :     return m_aFile.getPos( uPos );
     110             : }
     111             : 
     112         234 : ::osl::FileBase::RC ReconnectingFile::setSize( sal_uInt64 uSize )
     113             : {
     114         234 :     ::osl::FileBase::RC nRes = ::osl::FileBase::E_NETWORK;
     115             : 
     116         234 :     if ( uSize == 0 )
     117             :     {
     118         234 :         if ( m_bDisconnect )
     119             :         {
     120           0 :             if ( reconnect() )
     121           0 :                 nRes = m_aFile.setSize( uSize );
     122             :         }
     123             :         else
     124             :         {
     125             :             // E_INVAL error code means in this case that
     126             :             // the file handler is invalid
     127         234 :             nRes = m_aFile.setSize( uSize );
     128         234 :             if ( ( nRes == ::osl::FileBase::E_NETWORK
     129         234 :                 || nRes == ::osl::FileBase::E_INVAL )
     130         234 :               && reconnect() )
     131           0 :                 nRes = m_aFile.setSize( uSize );
     132             :         }
     133             :     }
     134             :     else
     135             :     {
     136           0 :         if ( !m_bDisconnect )
     137           0 :             nRes = m_aFile.setSize( uSize );
     138             :     }
     139             : 
     140         234 :     return nRes;
     141             : }
     142             : 
     143      297552 : ::osl::FileBase::RC ReconnectingFile::getSize( sal_uInt64 &rSize )
     144             : {
     145      297552 :     ::osl::FileBase::RC nRes = ::osl::FileBase::E_NETWORK;
     146             : 
     147      297552 :     if ( !m_bDisconnect )
     148      297552 :         nRes = m_aFile.getSize( rSize );
     149             : 
     150             :     // E_INVAL error code means in this case that
     151             :     // the file handler is invalid
     152      297552 :     if ( ( nRes == ::osl::FileBase::E_NETWORK
     153      297552 :         || nRes == ::osl::FileBase::E_INVAL )
     154      297552 :       && reconnect() )
     155             :     {
     156           0 :         nRes = m_aFile.getSize( rSize );
     157             : 
     158             :         // the repairing should be disconnected, since the position might be wrong
     159             :         // but the result should be retrieved
     160           0 :         disconnect();
     161             :     }
     162             : 
     163      297552 :     return nRes;
     164             : }
     165             : 
     166     1325752 : ::osl::FileBase::RC ReconnectingFile::read( void *pBuffer, sal_uInt64 uBytesRequested, sal_uInt64& rBytesRead )
     167             : {
     168     1325752 :     if ( m_bDisconnect )
     169           0 :         return ::osl::FileBase::E_NETWORK;
     170             : 
     171     1325752 :     return m_aFile.read( pBuffer, uBytesRequested, rBytesRead );
     172             : }
     173             : 
     174      130916 : ::osl::FileBase::RC ReconnectingFile::write(const void *pBuffer, sal_uInt64 uBytesToWrite, sal_uInt64& rBytesWritten)
     175             : {
     176      130916 :     if ( m_bDisconnect )
     177           0 :         return ::osl::FileBase::E_NETWORK;
     178             : 
     179      130916 :     return m_aFile.write( pBuffer, uBytesToWrite, rBytesWritten );
     180             : }
     181             : 
     182         350 : ::osl::FileBase::RC ReconnectingFile::sync() const
     183             : {
     184         350 :     if ( m_bDisconnect )
     185           0 :         return ::osl::FileBase::E_NETWORK;
     186             : 
     187         350 :     return m_aFile.sync();
     188             : }
     189             : 
     190             : } // namespace fileaccess
     191             : 
     192             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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