LCOV - code coverage report
Current view: top level - libreoffice/io/source/acceptor - acc_pipe.cxx (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 0 71 0.0 %
Date: 2012-12-27 Functions: 0 12 0.0 %
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 "osl/security.hxx"
      21             : #include "acceptor.hxx"
      22             : #include <com/sun/star/connection/ConnectionSetupException.hpp>
      23             : 
      24             : #include <cppuhelper/implbase1.hxx>
      25             : 
      26             : using namespace ::rtl;
      27             : using namespace ::osl;
      28             : using namespace ::cppu;
      29             : using namespace ::com::sun::star::uno;
      30             : using namespace ::com::sun::star::lang;
      31             : using namespace ::com::sun::star::connection;
      32             : using namespace ::com::sun::star::io;
      33             : 
      34             : 
      35             : namespace io_acceptor
      36             : {
      37             : 
      38             :     typedef WeakImplHelper1< XConnection > MyPipeConnection;
      39             : 
      40             :     class PipeConnection :
      41             :         public MyPipeConnection
      42             :     {
      43             :     public:
      44             :         PipeConnection( const OUString &sConnectionDescription);
      45             :         ~PipeConnection();
      46             : 
      47             :         virtual sal_Int32 SAL_CALL read( Sequence< sal_Int8 >& aReadBytes, sal_Int32 nBytesToRead )
      48             :             throw(::com::sun::star::io::IOException,
      49             :                   ::com::sun::star::uno::RuntimeException);
      50             :         virtual void SAL_CALL write( const Sequence< sal_Int8 >& aData )
      51             :             throw(::com::sun::star::io::IOException,
      52             :                   ::com::sun::star::uno::RuntimeException);
      53             :         virtual void SAL_CALL flush(  ) throw(
      54             :             ::com::sun::star::io::IOException,
      55             :             ::com::sun::star::uno::RuntimeException);
      56             :         virtual void SAL_CALL close(  )
      57             :             throw(::com::sun::star::io::IOException,
      58             :                   ::com::sun::star::uno::RuntimeException);
      59             :         virtual OUString SAL_CALL getDescription(  )
      60             :             throw(::com::sun::star::uno::RuntimeException);
      61             :     public:
      62             :         ::osl::StreamPipe m_pipe;
      63             :         oslInterlockedCount m_nStatus;
      64             :         OUString m_sDescription;
      65             :     };
      66             : 
      67             : 
      68             : 
      69           0 :     PipeConnection::PipeConnection( const OUString &sConnectionDescription) :
      70             :         m_nStatus( 0 ),
      71           0 :         m_sDescription( sConnectionDescription )
      72             :     {
      73           0 :         g_moduleCount.modCnt.acquire( &g_moduleCount.modCnt );
      74             : 
      75             :         // make it unique
      76           0 :         m_sDescription += OUString(",uniqueValue=");
      77             :         m_sDescription += OUString::valueOf(
      78             :             sal::static_int_cast<sal_Int64 >(
      79             :                 reinterpret_cast< sal_IntPtr >(&m_pipe)),
      80           0 :             10 );
      81           0 :     }
      82             : 
      83           0 :     PipeConnection::~PipeConnection()
      84             :     {
      85           0 :         g_moduleCount.modCnt.release( &g_moduleCount.modCnt );
      86           0 :     }
      87             : 
      88           0 :     sal_Int32 PipeConnection::read( Sequence < sal_Int8 > & aReadBytes , sal_Int32 nBytesToRead )
      89             :         throw(::com::sun::star::io::IOException,
      90             :               ::com::sun::star::uno::RuntimeException)
      91             :     {
      92           0 :         if( ! m_nStatus )
      93             :         {
      94           0 :             if( aReadBytes.getLength() < nBytesToRead )
      95             :             {
      96           0 :                 aReadBytes.realloc( nBytesToRead );
      97             :             }
      98           0 :             sal_Int32 n = m_pipe.read( aReadBytes.getArray(), nBytesToRead );
      99             :             OSL_ASSERT( n >= 0 && n <= aReadBytes.getLength() );
     100           0 :             if( n < aReadBytes.getLength() )
     101             :             {
     102           0 :                 aReadBytes.realloc( n );
     103             :             }
     104           0 :             return n;
     105             :         }
     106             :         else {
     107           0 :             throw IOException();
     108             :         }
     109             :     }
     110             : 
     111           0 :     void PipeConnection::write( const Sequence < sal_Int8 > &seq )
     112             :             throw(::com::sun::star::io::IOException,
     113             :                   ::com::sun::star::uno::RuntimeException)
     114             :     {
     115           0 :         if( ! m_nStatus )
     116             :         {
     117           0 :             if( m_pipe.write( seq.getConstArray() , seq.getLength() ) != seq.getLength() )
     118             :             {
     119           0 :                 throw IOException();
     120             :             }
     121             :         }
     122             :         else {
     123           0 :             throw IOException();
     124             :         }
     125           0 :     }
     126             : 
     127           0 :     void PipeConnection::flush( )
     128             :         throw(  ::com::sun::star::io::IOException,
     129             :                 ::com::sun::star::uno::RuntimeException)
     130             :     {
     131           0 :     }
     132             : 
     133           0 :     void PipeConnection::close()
     134             :         throw( ::com::sun::star::io::IOException,
     135             :                ::com::sun::star::uno::RuntimeException)
     136             :     {
     137           0 :         if(  1 == osl_atomic_increment( (&m_nStatus) ) )
     138             :         {
     139           0 :             m_pipe.close();
     140             :         }
     141           0 :     }
     142             : 
     143           0 :     OUString PipeConnection::getDescription()
     144             :             throw(::com::sun::star::uno::RuntimeException)
     145             :     {
     146           0 :         return m_sDescription;
     147             :     }
     148             : 
     149             :     /***************
     150             :      * PipeAcceptor
     151             :      **************/
     152           0 :     PipeAcceptor::PipeAcceptor( const OUString &sPipeName , const OUString & sConnectionDescription) :
     153             :         m_sPipeName( sPipeName ),
     154             :         m_sConnectionDescription( sConnectionDescription ),
     155           0 :         m_bClosed( sal_False )
     156             :     {
     157           0 :     }
     158             : 
     159             : 
     160           0 :     void PipeAcceptor::init()
     161             :     {
     162           0 :         m_pipe = Pipe( m_sPipeName.pData , osl_Pipe_CREATE , osl::Security() );
     163           0 :         if( ! m_pipe.is() )
     164             :         {
     165           0 :             OUString error = OUString("io.acceptor: Couldn't setup pipe ");
     166           0 :             error += m_sPipeName;
     167           0 :             throw ConnectionSetupException( error, Reference< XInterface > () );
     168             :         }
     169           0 :     }
     170             : 
     171           0 :     Reference< XConnection > PipeAcceptor::accept( )
     172             :     {
     173           0 :         Pipe pipe;
     174             :         {
     175           0 :             MutexGuard guard( m_mutex );
     176           0 :             pipe = m_pipe;
     177             :         }
     178           0 :         if( ! pipe.is() )
     179             :         {
     180           0 :             OUString error = OUString("io.acceptor: pipe already closed");
     181           0 :             error += m_sPipeName;
     182           0 :             throw ConnectionSetupException( error, Reference< XInterface > () );
     183             :         }
     184           0 :         PipeConnection *pConn = new PipeConnection( m_sConnectionDescription );
     185             : 
     186           0 :         oslPipeError status = pipe.accept( pConn->m_pipe );
     187             : 
     188           0 :         if( m_bClosed )
     189             :         {
     190             :             // stopAccepting was called !
     191           0 :             delete pConn;
     192           0 :             return Reference < XConnection >();
     193             :         }
     194           0 :         else if( osl_Pipe_E_None == status )
     195             :         {
     196           0 :             return Reference < XConnection > ( (XConnection * ) pConn );
     197             :         }
     198             :         else
     199             :         {
     200           0 :             OUString error = OUString("io.acceptor: Couldn't setup pipe ");
     201           0 :             error += m_sPipeName;
     202           0 :             throw ConnectionSetupException( error, Reference< XInterface > ());
     203           0 :         }
     204             :     }
     205             : 
     206           0 :     void PipeAcceptor::stopAccepting()
     207             :     {
     208           0 :         m_bClosed = sal_True;
     209           0 :         Pipe pipe;
     210             :         {
     211           0 :             MutexGuard guard( m_mutex );
     212           0 :             pipe = m_pipe;
     213           0 :             m_pipe.clear();
     214             :         }
     215           0 :         if( pipe.is() )
     216             :         {
     217           0 :             pipe.close();
     218           0 :         }
     219           0 :     }
     220             : }
     221             : 
     222             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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