49fdae5bb4
Change-Id: I6e19d4d03957c35caa79a231927eae04ae630442 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/136209 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
191 lines
5.4 KiB
C++
191 lines
5.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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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/XConnection.hpp>
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#include <com/sun/star/connection/ConnectionSetupException.hpp>
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#include <com/sun/star/io/IOException.hpp>
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#include <osl/diagnose.h>
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#include <cppuhelper/implbase.hxx>
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#include <rtl/ref.hxx>
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#include <utility>
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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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namespace {
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class PipeConnection :
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public WeakImplHelper< XConnection >
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{
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public:
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explicit PipeConnection( OUString sConnectionDescription);
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virtual sal_Int32 SAL_CALL read( Sequence< sal_Int8 >& aReadBytes, sal_Int32 nBytesToRead ) override;
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virtual void SAL_CALL write( const Sequence< sal_Int8 >& aData ) override;
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virtual void SAL_CALL flush( ) override;
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virtual void SAL_CALL close( ) override;
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virtual OUString SAL_CALL getDescription( ) override;
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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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}
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PipeConnection::PipeConnection( OUString sConnectionDescription) :
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m_nStatus( 0 ),
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m_sDescription(std::move( sConnectionDescription ))
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{
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// make it unique
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m_sDescription += ",uniqueValue=";
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m_sDescription += OUString::number(
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sal::static_int_cast<sal_Int64 >(
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reinterpret_cast< sal_IntPtr >(&m_pipe)) );
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}
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sal_Int32 PipeConnection::read( Sequence < sal_Int8 > & aReadBytes , sal_Int32 nBytesToRead )
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{
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if( m_nStatus )
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{
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throw IOException("pipe already closed");
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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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sal_Int32 n = m_pipe.read( aReadBytes.getArray(), nBytesToRead );
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OSL_ASSERT( n >= 0 && n <= aReadBytes.getLength() );
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if( n < aReadBytes.getLength() )
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{
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aReadBytes.realloc( n );
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}
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return n;
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}
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void PipeConnection::write( const Sequence < sal_Int8 > &seq )
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{
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if( m_nStatus )
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{
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throw IOException("pipe already closed");
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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("short write");
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}
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}
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void PipeConnection::flush( )
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{
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}
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void PipeConnection::close()
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{
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if( 1 == osl_atomic_increment( (&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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{
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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( OUString sPipeName , OUString sConnectionDescription) :
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m_sPipeName(std::move( sPipeName )),
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m_sConnectionDescription(std::move( sConnectionDescription )),
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m_bClosed( false )
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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 = "io.acceptor: Couldn't setup pipe " + m_sPipeName;
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throw ConnectionSetupException( error );
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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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std::unique_lock 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 = "io.acceptor: pipe already closed" + m_sPipeName;
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throw ConnectionSetupException( error );
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}
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rtl::Reference<PipeConnection> pConn(new PipeConnection( 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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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 pConn;
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}
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else
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{
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OUString error = "io.acceptor: Couldn't setup pipe " + m_sPipeName;
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throw ConnectionSetupException( error );
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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 = true;
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Pipe pipe;
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{
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std::unique_lock 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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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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