228 lines
7 KiB
C++
228 lines
7 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: acc_pipe.cxx,v $
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*
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* $Revision: 1.7 $
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*
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* last change: $Author: rt $ $Date: 2005-09-07 18:27:19 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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#include "osl/security.hxx"
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#include "acceptor.hxx"
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#include <com/sun/star/connection/ConnectionSetupException.hpp>
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#include <cppuhelper/implbase1.hxx>
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using namespace ::rtl;
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using namespace ::osl;
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using namespace ::cppu;
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::lang;
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using namespace ::com::sun::star::connection;
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using namespace ::com::sun::star::io;
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namespace io_acceptor
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{
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typedef WeakImplHelper1< XConnection > MyPipeConnection;
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class PipeConnection :
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public MyPipeConnection
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{
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public:
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PipeConnection( const OUString & s , const OUString &sConnectionDescription);
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~PipeConnection();
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virtual sal_Int32 SAL_CALL read( Sequence< sal_Int8 >& aReadBytes, sal_Int32 nBytesToRead )
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throw(::com::sun::star::io::IOException,
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::com::sun::star::uno::RuntimeException);
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virtual void SAL_CALL write( const Sequence< sal_Int8 >& aData )
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throw(::com::sun::star::io::IOException,
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::com::sun::star::uno::RuntimeException);
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virtual void SAL_CALL flush( ) throw(
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::com::sun::star::io::IOException,
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::com::sun::star::uno::RuntimeException);
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virtual void SAL_CALL close( )
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throw(::com::sun::star::io::IOException,
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::com::sun::star::uno::RuntimeException);
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virtual ::rtl::OUString SAL_CALL getDescription( )
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throw(::com::sun::star::uno::RuntimeException);
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public:
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::osl::StreamPipe m_pipe;
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oslInterlockedCount m_nStatus;
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OUString m_sDescription;
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};
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PipeConnection::PipeConnection( const OUString &s, const OUString &sConnectionDescription) :
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m_nStatus( 0 ),
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m_sDescription( sConnectionDescription )
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{
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g_moduleCount.modCnt.acquire( &g_moduleCount.modCnt );
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// make it unique
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m_sDescription += OUString::createFromAscii( ",uniqueValue=" );
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m_sDescription += OUString::valueOf( (sal_Int64) &m_pipe , 10 );
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}
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PipeConnection::~PipeConnection()
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{
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g_moduleCount.modCnt.release( &g_moduleCount.modCnt );
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}
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sal_Int32 PipeConnection::read( Sequence < sal_Int8 > & aReadBytes , sal_Int32 nBytesToRead )
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throw(::com::sun::star::io::IOException,
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::com::sun::star::uno::RuntimeException)
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{
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if( ! m_nStatus )
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{
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if( aReadBytes.getLength() != nBytesToRead )
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{
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aReadBytes.realloc( nBytesToRead );
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}
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return m_pipe.read( aReadBytes.getArray() , aReadBytes.getLength() );
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}
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else {
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throw IOException();
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}
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return 0;
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}
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void PipeConnection::write( const Sequence < sal_Int8 > &seq )
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throw(::com::sun::star::io::IOException,
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::com::sun::star::uno::RuntimeException)
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{
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if( ! m_nStatus )
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{
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if( m_pipe.write( seq.getConstArray() , seq.getLength() ) != seq.getLength() )
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{
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throw IOException();
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}
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}
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else {
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throw IOException();
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}
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}
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void PipeConnection::flush( )
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throw( ::com::sun::star::io::IOException,
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::com::sun::star::uno::RuntimeException)
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{
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}
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void PipeConnection::close()
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throw( ::com::sun::star::io::IOException,
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::com::sun::star::uno::RuntimeException)
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{
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if( 1 == osl_incrementInterlockedCount( (&m_nStatus) ) )
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{
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m_pipe.close();
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}
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}
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OUString PipeConnection::getDescription()
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throw(::com::sun::star::uno::RuntimeException)
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{
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return m_sDescription;
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}
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/***************
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* PipeAcceptor
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**************/
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PipeAcceptor::PipeAcceptor( const OUString &sPipeName , const OUString & sConnectionDescription) :
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m_bClosed( sal_False ),
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m_sPipeName( sPipeName ),
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m_sConnectionDescription( sConnectionDescription )
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{
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}
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void PipeAcceptor::init()
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{
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m_pipe = Pipe( m_sPipeName.pData , osl_Pipe_CREATE , osl::Security() );
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if( ! m_pipe.is() )
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{
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OUString error = OUString::createFromAscii( "io.acceptor: Couldn't setup pipe " );
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error += m_sPipeName;
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throw ConnectionSetupException( error, Reference< XInterface > () );
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}
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}
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Reference< XConnection > PipeAcceptor::accept( )
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{
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Pipe pipe;
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{
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MutexGuard guard( m_mutex );
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pipe = m_pipe;
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}
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if( ! pipe.is() )
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{
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OUString error = OUString::createFromAscii( "io.acceptor: pipe already closed" );
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error += m_sPipeName;
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throw ConnectionSetupException( error, Reference< XInterface > () );
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}
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PipeConnection *pConn = new PipeConnection( m_sPipeName , m_sConnectionDescription );
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oslPipeError status = pipe.accept( pConn->m_pipe );
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if( m_bClosed )
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{
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// stopAccepting was called !
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delete pConn;
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return Reference < XConnection >();
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}
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else if( osl_Pipe_E_None == status )
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{
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return Reference < XConnection > ( (XConnection * ) pConn );
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}
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else
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{
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OUString error = OUString::createFromAscii( "io.acceptor: Couldn't setup pipe " );
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error += m_sPipeName;
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throw ConnectionSetupException( error, Reference< XInterface > ());
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}
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}
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void PipeAcceptor::stopAccepting()
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{
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m_bClosed = sal_True;
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Pipe pipe;
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{
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MutexGuard guard( m_mutex );
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pipe = m_pipe;
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m_pipe.clear();
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}
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if( pipe.is() )
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{
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pipe.close();
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}
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}
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}
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