AOO410/main/io/source/connector/ctr_pipe.cxx

/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
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// 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;
	}

}