| /************************************************************** |
| * |
| * 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. |
| * |
| *************************************************************/ |
| |
| |
| |
| // 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 ); |
| } |
| sal_Int32 n = m_pipe.read( aReadBytes.getArray(), nBytesToRead ); |
| OSL_ASSERT( n >= 0 && n <= aReadBytes.getLength() ); |
| if( n < aReadBytes.getLength() ) |
| { |
| aReadBytes.realloc( n ); |
| } |
| return n; |
| } |
| 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(); |
| } |
| } |
| } |