LCOV - code coverage report
Current view: top level - ucb/source/ucp/file - filstr.cxx (source / functions) Hit Total Coverage
Test: commit c8344322a7af75b84dd3ca8f78b05543a976dfd5 Lines: 81 102 79.4 %
Date: 2015-06-13 12:38:46 Functions: 18 19 94.7 %
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             : #include "com/sun/star/io/IOException.hpp"
      21             : #include "com/sun/star/uno/RuntimeException.hpp"
      22             : #include "osl/diagnose.h"
      23             : #include "filstr.hxx"
      24             : #include "shell.hxx"
      25             : #include "prov.hxx"
      26             : #include <boost/scoped_array.hpp>
      27             : 
      28             : using namespace fileaccess;
      29             : using namespace com::sun::star;
      30             : using namespace com::sun::star::ucb;
      31             : 
      32             : #if OSL_DEBUG_LEVEL > 0
      33             : #define THROW_WHERE SAL_WHERE
      34             : #else
      35             : #define THROW_WHERE ""
      36             : #endif
      37             : 
      38             : /******************************************************************************/
      39             : /*                                                                            */
      40             : /*               XStream_impl implementation                                  */
      41             : /*                                                                            */
      42             : /******************************************************************************/
      43             : 
      44       23980 : XStream_impl::XStream_impl( shell* pMyShell,const OUString& aUncPath, bool bLock )
      45             :     : m_bInputStreamCalled( false ),
      46             :       m_bOutputStreamCalled( false ),
      47             :       m_pMyShell( pMyShell ),
      48             :       m_xProvider( m_pMyShell->m_pProvider ),
      49             :       m_aFile( aUncPath ),
      50             :       m_nErrorCode( TASKHANDLER_NO_ERROR ),
      51       23980 :       m_nMinorErrorCode( TASKHANDLER_NO_ERROR )
      52             : {
      53       23980 :     sal_uInt32 nFlags = ( osl_File_OpenFlag_Read | osl_File_OpenFlag_Write );
      54       23980 :     if ( !bLock )
      55           0 :         nFlags |= osl_File_OpenFlag_NoLock;
      56             : 
      57       23980 :     osl::FileBase::RC err = m_aFile.open( nFlags );
      58       23980 :     if(  err != osl::FileBase::E_None )
      59             :     {
      60         133 :         m_nIsOpen = false;
      61         133 :         m_aFile.close();
      62             : 
      63         133 :         m_nErrorCode = TASKHANDLING_OPEN_FOR_STREAM;
      64         133 :         m_nMinorErrorCode = err;
      65             :     }
      66             :     else
      67       23847 :         m_nIsOpen = true;
      68       23980 : }
      69             : 
      70             : 
      71       71820 : XStream_impl::~XStream_impl()
      72             : {
      73             :     try
      74             :     {
      75       23940 :         closeStream();
      76             :     }
      77           0 :     catch (const io::IOException&)
      78             :     {
      79             :         OSL_FAIL("unexpected situation");
      80             :     }
      81           0 :     catch (const uno::RuntimeException&)
      82             :     {
      83             :         OSL_FAIL("unexpected situation");
      84             :     }
      85       47880 : }
      86             : 
      87             : 
      88             : 
      89             : 
      90             : 
      91             : 
      92             : 
      93             : 
      94             : uno::Reference< io::XInputStream > SAL_CALL
      95       35008 : XStream_impl::getInputStream(  )
      96             :     throw( uno::RuntimeException, std::exception)
      97             : {
      98             :     {
      99       35008 :         osl::MutexGuard aGuard( m_aMutex );
     100       35008 :         m_bInputStreamCalled = true;
     101             :     }
     102       35008 :     return uno::Reference< io::XInputStream >( this );
     103             : }
     104             : 
     105             : 
     106             : uno::Reference< io::XOutputStream > SAL_CALL
     107       34868 : XStream_impl::getOutputStream(  )
     108             :     throw( uno::RuntimeException, std::exception )
     109             : {
     110             :     {
     111       34868 :         osl::MutexGuard aGuard( m_aMutex );
     112       34868 :         m_bOutputStreamCalled = true;
     113             :     }
     114       34868 :     return uno::Reference< io::XOutputStream >( this );
     115             : }
     116             : 
     117             : 
     118         127 : void SAL_CALL XStream_impl::truncate()
     119             :     throw( io::IOException, uno::RuntimeException, std::exception )
     120             : {
     121         127 :     if (osl::FileBase::E_None != m_aFile.setSize(0))
     122           0 :         throw io::IOException( THROW_WHERE );
     123             : 
     124         127 :     if (osl::FileBase::E_None != m_aFile.setPos(osl_Pos_Absolut,sal_uInt64(0)))
     125           0 :         throw io::IOException( THROW_WHERE );
     126         127 : }
     127             : 
     128             : 
     129             : 
     130             : 
     131             : // XStream_impl private non interface methods
     132             : 
     133             : 
     134             : sal_Int32 SAL_CALL
     135       97216 : XStream_impl::readBytes(
     136             :     uno::Sequence< sal_Int8 >& aData,
     137             :     sal_Int32 nBytesToRead )
     138             :     throw( io::NotConnectedException,
     139             :            io::BufferSizeExceededException,
     140             :            io::IOException,
     141             :            uno::RuntimeException, std::exception)
     142             : {
     143       97216 :     if( ! m_nIsOpen )
     144           0 :         throw io::IOException( THROW_WHERE );
     145             : 
     146       97216 :     boost::scoped_array<sal_Int8> buffer;
     147             :     try
     148             :     {
     149       97216 :         buffer.reset(new sal_Int8[nBytesToRead]);
     150             :     }
     151           0 :     catch (const std::bad_alloc&)
     152             :     {
     153           0 :         if( m_nIsOpen ) m_aFile.close();
     154           0 :         throw io::BufferSizeExceededException( THROW_WHERE );
     155             :     }
     156             : 
     157       97216 :     sal_uInt64 nrc(0);
     158       97216 :     if(m_aFile.read( buffer.get(),sal_uInt64(nBytesToRead),nrc )
     159             :        != osl::FileBase::E_None)
     160             :     {
     161           0 :         throw io::IOException( THROW_WHERE );
     162             :     }
     163       97216 :     aData = uno::Sequence< sal_Int8 > ( buffer.get(), (sal_uInt32)nrc );
     164       97216 :     return ( sal_Int32 ) nrc;
     165             : }
     166             : 
     167             : 
     168             : sal_Int32 SAL_CALL
     169         159 : XStream_impl::readSomeBytes(
     170             :     uno::Sequence< sal_Int8 >& aData,
     171             :     sal_Int32 nMaxBytesToRead )
     172             :     throw( io::NotConnectedException,
     173             :            io::BufferSizeExceededException,
     174             :            io::IOException,
     175             :            uno::RuntimeException, std::exception)
     176             : {
     177         159 :     return readBytes( aData,nMaxBytesToRead );
     178             : }
     179             : 
     180             : 
     181             : void SAL_CALL
     182          53 : XStream_impl::skipBytes(
     183             :     sal_Int32 nBytesToSkip )
     184             :     throw( io::NotConnectedException,
     185             :            io::BufferSizeExceededException,
     186             :            io::IOException,
     187             :            uno::RuntimeException, std::exception )
     188             : {
     189          53 :     m_aFile.setPos( osl_Pos_Current, sal_uInt64( nBytesToSkip ) );
     190          53 : }
     191             : 
     192             : 
     193             : sal_Int32 SAL_CALL
     194           0 : XStream_impl::available(
     195             :     void )
     196             :     throw( io::NotConnectedException,
     197             :            io::IOException,
     198             :            uno::RuntimeException, std::exception)
     199             : {
     200           0 :     return 0;
     201             : }
     202             : 
     203             : 
     204             : void SAL_CALL
     205      113139 : XStream_impl::writeBytes( const uno::Sequence< sal_Int8 >& aData )
     206             :     throw( io::NotConnectedException,
     207             :            io::BufferSizeExceededException,
     208             :            io::IOException,
     209             :            uno::RuntimeException, std::exception)
     210             : {
     211      113139 :     sal_uInt32 length = aData.getLength();
     212      113139 :     if(length)
     213             :     {
     214      113041 :         sal_uInt64 nWrittenBytes(0);
     215      113041 :         const sal_Int8* p = aData.getConstArray();
     216      226082 :         if(osl::FileBase::E_None != m_aFile.write((static_cast<void const *>(p)),sal_uInt64(length),nWrittenBytes) ||
     217      113041 :            nWrittenBytes != length )
     218           0 :             throw io::IOException( THROW_WHERE );
     219             :     }
     220      113139 : }
     221             : 
     222             : 
     223             : void SAL_CALL
     224       27831 : XStream_impl::closeStream(
     225             :     void )
     226             :     throw( io::NotConnectedException,
     227             :            io::IOException,
     228             :            uno::RuntimeException )
     229             : {
     230       27831 :     if( m_nIsOpen )
     231             :     {
     232       23807 :         osl::FileBase::RC err = m_aFile.close();
     233             : 
     234       23807 :         if( err != osl::FileBase::E_None ) {
     235           0 :             io::IOException ex;
     236           0 :             ex.Message = "could not close file";
     237           0 :             throw ex;
     238             :         }
     239             : 
     240       23807 :         m_nIsOpen = false;
     241             :     }
     242       27831 : }
     243             : 
     244             : void SAL_CALL
     245        2906 : XStream_impl::closeInput(
     246             :     void )
     247             :     throw( io::NotConnectedException,
     248             :            io::IOException,
     249             :            uno::RuntimeException, std::exception )
     250             : {
     251        2906 :     osl::MutexGuard aGuard( m_aMutex );
     252        2906 :     m_bInputStreamCalled = false;
     253             : 
     254        2906 :     if( ! m_bOutputStreamCalled )
     255         251 :         closeStream();
     256        2906 : }
     257             : 
     258             : 
     259             : void SAL_CALL
     260        3891 : XStream_impl::closeOutput(
     261             :     void )
     262             :     throw( io::NotConnectedException,
     263             :            io::IOException,
     264             :            uno::RuntimeException, std::exception )
     265             : {
     266        3891 :     osl::MutexGuard aGuard( m_aMutex );
     267        3891 :     m_bOutputStreamCalled = false;
     268             : 
     269        3891 :     if( ! m_bInputStreamCalled )
     270        3640 :         closeStream();
     271        3891 : }
     272             : 
     273             : 
     274             : void SAL_CALL
     275       94537 : XStream_impl::seek(
     276             :     sal_Int64 location )
     277             :     throw( lang::IllegalArgumentException,
     278             :            io::IOException,
     279             :            uno::RuntimeException, std::exception )
     280             : {
     281       94537 :     if( location < 0 )
     282           0 :         throw lang::IllegalArgumentException( THROW_WHERE, uno::Reference< uno::XInterface >(), 0 );
     283       94537 :     if( osl::FileBase::E_None != m_aFile.setPos( osl_Pos_Absolut, sal_uInt64( location ) ) )
     284           0 :         throw io::IOException( THROW_WHERE );
     285       94537 : }
     286             : 
     287             : 
     288             : sal_Int64 SAL_CALL
     289       14043 : XStream_impl::getPosition(
     290             :     void )
     291             :     throw( io::IOException,
     292             :            uno::RuntimeException, std::exception )
     293             : {
     294             :     sal_uInt64 uPos;
     295       14043 :     if( osl::FileBase::E_None != m_aFile.getPos( uPos ) )
     296           0 :         throw io::IOException( THROW_WHERE );
     297       14043 :     return sal_Int64( uPos );
     298             : }
     299             : 
     300             : sal_Int64 SAL_CALL
     301       67938 : XStream_impl::getLength(
     302             :     void )
     303             :     throw( io::IOException,
     304             :            uno::RuntimeException, std::exception )
     305             : {
     306             :         sal_uInt64 uEndPos;
     307       67938 :         if ( m_aFile.getSize(uEndPos) != osl::FileBase::E_None )
     308           0 :                 throw io::IOException( THROW_WHERE );
     309             :         else
     310       67938 :                 return sal_Int64( uEndPos );
     311             : }
     312             : 
     313             : void SAL_CALL
     314       25855 : XStream_impl::flush()
     315             :     throw( io::NotConnectedException,
     316             :            io::BufferSizeExceededException,
     317             :            io::IOException,
     318             :            uno::RuntimeException, std::exception )
     319       25855 : {}
     320             : 
     321         234 : void XStream_impl::waitForCompletion()
     322             :     throw (io::IOException, uno::RuntimeException, std::exception)
     323             : {
     324             :     // At least on UNIX, to reliably learn about any errors encountered by
     325             :     // asynchronous NFS write operations, without closing the file directly
     326             :     // afterwards, there appears to be no cheaper way than to call fsync:
     327         234 :     if (m_nIsOpen && m_aFile.sync() != osl::FileBase::E_None) {
     328             :         throw io::IOException(
     329             :             OUString( "could not synchronize file to disc"),
     330           0 :             static_cast< OWeakObject * >(this));
     331             :     }
     332         234 : }
     333             : 
     334             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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