/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: ctr_pipe.cxx,v $
 *
 *  $Revision: 1.6 $
 *
 *  last change: $Author: obo $ $Date: 2006-09-16 23:43:02 $
 *
 *  The Contents of this file are made available subject to
 *  the terms of GNU Lesser General Public License Version 2.1.
 *
 *
 *    GNU Lesser General Public License Version 2.1
 *    =============================================
 *    Copyright 2005 by Sun Microsystems, Inc.
 *    901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License version 2.1, as published by the Free Software Foundation.
 *
 *    This library 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 for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public
 *    License along with this library; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *    MA  02111-1307  USA
 *
 ************************************************************************/

// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_io.hxx"

#include "connector.hxx"

using namespace ::osl;
using namespace ::rtl;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::io;
using namespace ::com::sun::star::connection;


namespace stoc_connector {

    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)
    {
        // ensure that close is called only once
        if(1 == osl_incrementInterlockedCount( (&m_nStatus) ) )
        {
            m_pipe.close();
        }
    }

    OUString PipeConnection::getDescription()
            throw( ::com::sun::star::uno::RuntimeException)
    {
        return m_sDescription;
    }

}