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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_io.hxx"
#include "osl/security.hxx"
#include "acceptor.hxx"
#include <com/sun/star/connection/ConnectionSetupException.hpp>
#include <cppuhelper/implbase1.hxx>
using namespace ::rtl;
using namespace ::osl;
using namespace ::cppu;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::connection;
using namespace ::com::sun::star::io;
namespace io_acceptor
{
typedef WeakImplHelper1< XConnection > MyPipeConnection;
class PipeConnection :
public MyPipeConnection
{
public:
PipeConnection( const OUString &sConnectionDescription);
~PipeConnection();
virtual sal_Int32 SAL_CALL read( Sequence< sal_Int8 >& aReadBytes, sal_Int32 nBytesToRead )
throw(::com::sun::star::io::IOException,
::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL write( const Sequence< sal_Int8 >& aData )
throw(::com::sun::star::io::IOException,
::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL flush( ) throw(
::com::sun::star::io::IOException,
::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL close( )
throw(::com::sun::star::io::IOException,
::com::sun::star::uno::RuntimeException);
virtual ::rtl::OUString SAL_CALL getDescription( )
throw(::com::sun::star::uno::RuntimeException);
public:
::osl::StreamPipe m_pipe;
oslInterlockedCount m_nStatus;
OUString m_sDescription;
};
PipeConnection::PipeConnection( const OUString &sConnectionDescription) :
m_nStatus( 0 ),
m_sDescription( sConnectionDescription )
{
g_moduleCount.modCnt.acquire( &g_moduleCount.modCnt );
// make it unique
m_sDescription += OUString::createFromAscii( ",uniqueValue=" );
m_sDescription += OUString::valueOf(
sal::static_int_cast<sal_Int64 >(
reinterpret_cast< sal_IntPtr >(&m_pipe)),
10 );
}
PipeConnection::~PipeConnection()
{
g_moduleCount.modCnt.release( &g_moduleCount.modCnt );
}
sal_Int32 PipeConnection::read( Sequence < sal_Int8 > & aReadBytes , sal_Int32 nBytesToRead )
throw(::com::sun::star::io::IOException,
::com::sun::star::uno::RuntimeException)
{
if( ! m_nStatus )
{
if( aReadBytes.getLength() != nBytesToRead )
{
aReadBytes.realloc( nBytesToRead );
}
return m_pipe.read( aReadBytes.getArray() , aReadBytes.getLength() );
}
else {
throw IOException();
}
}
void PipeConnection::write( const Sequence < sal_Int8 > &seq )
throw(::com::sun::star::io::IOException,
::com::sun::star::uno::RuntimeException)
{
if( ! m_nStatus )
{
if( m_pipe.write( seq.getConstArray() , seq.getLength() ) != seq.getLength() )
{
throw IOException();
}
}
else {
throw IOException();
}
}
void PipeConnection::flush( )
throw( ::com::sun::star::io::IOException,
::com::sun::star::uno::RuntimeException)
{
}
void PipeConnection::close()
throw( ::com::sun::star::io::IOException,
::com::sun::star::uno::RuntimeException)
{
if( 1 == osl_incrementInterlockedCount( (&m_nStatus) ) )
{
m_pipe.close();
}
}
OUString PipeConnection::getDescription()
throw(::com::sun::star::uno::RuntimeException)
{
return m_sDescription;
}
/***************
* PipeAcceptor
**************/
PipeAcceptor::PipeAcceptor( const OUString &sPipeName , const OUString & sConnectionDescription) :
m_sPipeName( sPipeName ),
m_sConnectionDescription( sConnectionDescription ),
m_bClosed( sal_False )
{
}
void PipeAcceptor::init()
{
m_pipe = Pipe( m_sPipeName.pData , osl_Pipe_CREATE , osl::Security() );
if( ! m_pipe.is() )
{
OUString error = OUString::createFromAscii( "io.acceptor: Couldn't setup pipe " );
error += m_sPipeName;
throw ConnectionSetupException( error, Reference< XInterface > () );
}
}
Reference< XConnection > PipeAcceptor::accept( )
{
Pipe pipe;
{
MutexGuard guard( m_mutex );
pipe = m_pipe;
}
if( ! pipe.is() )
{
OUString error = OUString::createFromAscii( "io.acceptor: pipe already closed" );
error += m_sPipeName;
throw ConnectionSetupException( error, Reference< XInterface > () );
}
PipeConnection *pConn = new PipeConnection( m_sConnectionDescription );
oslPipeError status = pipe.accept( pConn->m_pipe );
if( m_bClosed )
{
// stopAccepting was called !
delete pConn;
return Reference < XConnection >();
}
else if( osl_Pipe_E_None == status )
{
return Reference < XConnection > ( (XConnection * ) pConn );
}
else
{
OUString error = OUString::createFromAscii( "io.acceptor: Couldn't setup pipe " );
error += m_sPipeName;
throw ConnectionSetupException( error, Reference< XInterface > ());
}
}
void PipeAcceptor::stopAccepting()
{
m_bClosed = sal_True;
Pipe pipe;
{
MutexGuard guard( m_mutex );
pipe = m_pipe;
m_pipe.clear();
}
if( pipe.is() )
{
pipe.close();
}
}
}
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