1*3716f815SAndrew Rist /************************************************************** 2cdf0e10cSrcweir * 3*3716f815SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4*3716f815SAndrew Rist * or more contributor license agreements. See the NOTICE file 5*3716f815SAndrew Rist * distributed with this work for additional information 6*3716f815SAndrew Rist * regarding copyright ownership. The ASF licenses this file 7*3716f815SAndrew Rist * to you under the Apache License, Version 2.0 (the 8*3716f815SAndrew Rist * "License"); you may not use this file except in compliance 9*3716f815SAndrew Rist * with the License. You may obtain a copy of the License at 10*3716f815SAndrew Rist * 11*3716f815SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12*3716f815SAndrew Rist * 13*3716f815SAndrew Rist * Unless required by applicable law or agreed to in writing, 14*3716f815SAndrew Rist * software distributed under the License is distributed on an 15*3716f815SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*3716f815SAndrew Rist * KIND, either express or implied. See the License for the 17*3716f815SAndrew Rist * specific language governing permissions and limitations 18*3716f815SAndrew Rist * under the License. 19*3716f815SAndrew Rist * 20*3716f815SAndrew Rist *************************************************************/ 21*3716f815SAndrew Rist 22*3716f815SAndrew Rist 23cdf0e10cSrcweir 24cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove 25cdf0e10cSrcweir #include "precompiled_io.hxx" 26cdf0e10cSrcweir #include "osl/security.hxx" 27cdf0e10cSrcweir #include "acceptor.hxx" 28cdf0e10cSrcweir #include <com/sun/star/connection/ConnectionSetupException.hpp> 29cdf0e10cSrcweir 30cdf0e10cSrcweir #include <cppuhelper/implbase1.hxx> 31cdf0e10cSrcweir 32cdf0e10cSrcweir using namespace ::rtl; 33cdf0e10cSrcweir using namespace ::osl; 34cdf0e10cSrcweir using namespace ::cppu; 35cdf0e10cSrcweir using namespace ::com::sun::star::uno; 36cdf0e10cSrcweir using namespace ::com::sun::star::lang; 37cdf0e10cSrcweir using namespace ::com::sun::star::connection; 38cdf0e10cSrcweir using namespace ::com::sun::star::io; 39cdf0e10cSrcweir 40cdf0e10cSrcweir 41cdf0e10cSrcweir namespace io_acceptor 42cdf0e10cSrcweir { 43cdf0e10cSrcweir 44cdf0e10cSrcweir typedef WeakImplHelper1< XConnection > MyPipeConnection; 45cdf0e10cSrcweir 46cdf0e10cSrcweir class PipeConnection : 47cdf0e10cSrcweir public MyPipeConnection 48cdf0e10cSrcweir { 49cdf0e10cSrcweir public: 50cdf0e10cSrcweir PipeConnection( const OUString &sConnectionDescription); 51cdf0e10cSrcweir ~PipeConnection(); 52cdf0e10cSrcweir 53cdf0e10cSrcweir virtual sal_Int32 SAL_CALL read( Sequence< sal_Int8 >& aReadBytes, sal_Int32 nBytesToRead ) 54cdf0e10cSrcweir throw(::com::sun::star::io::IOException, 55cdf0e10cSrcweir ::com::sun::star::uno::RuntimeException); 56cdf0e10cSrcweir virtual void SAL_CALL write( const Sequence< sal_Int8 >& aData ) 57cdf0e10cSrcweir throw(::com::sun::star::io::IOException, 58cdf0e10cSrcweir ::com::sun::star::uno::RuntimeException); 59cdf0e10cSrcweir virtual void SAL_CALL flush( ) throw( 60cdf0e10cSrcweir ::com::sun::star::io::IOException, 61cdf0e10cSrcweir ::com::sun::star::uno::RuntimeException); 62cdf0e10cSrcweir virtual void SAL_CALL close( ) 63cdf0e10cSrcweir throw(::com::sun::star::io::IOException, 64cdf0e10cSrcweir ::com::sun::star::uno::RuntimeException); 65cdf0e10cSrcweir virtual ::rtl::OUString SAL_CALL getDescription( ) 66cdf0e10cSrcweir throw(::com::sun::star::uno::RuntimeException); 67cdf0e10cSrcweir public: 68cdf0e10cSrcweir ::osl::StreamPipe m_pipe; 69cdf0e10cSrcweir oslInterlockedCount m_nStatus; 70cdf0e10cSrcweir OUString m_sDescription; 71cdf0e10cSrcweir }; 72cdf0e10cSrcweir 73cdf0e10cSrcweir 74cdf0e10cSrcweir PipeConnection(const OUString & sConnectionDescription)75cdf0e10cSrcweir PipeConnection::PipeConnection( const OUString &sConnectionDescription) : 76cdf0e10cSrcweir m_nStatus( 0 ), 77cdf0e10cSrcweir m_sDescription( sConnectionDescription ) 78cdf0e10cSrcweir { 79cdf0e10cSrcweir g_moduleCount.modCnt.acquire( &g_moduleCount.modCnt ); 80cdf0e10cSrcweir 81cdf0e10cSrcweir // make it unique 82cdf0e10cSrcweir m_sDescription += OUString::createFromAscii( ",uniqueValue=" ); 83cdf0e10cSrcweir m_sDescription += OUString::valueOf( 84cdf0e10cSrcweir sal::static_int_cast<sal_Int64 >( 85cdf0e10cSrcweir reinterpret_cast< sal_IntPtr >(&m_pipe)), 86cdf0e10cSrcweir 10 ); 87cdf0e10cSrcweir } 88cdf0e10cSrcweir ~PipeConnection()89cdf0e10cSrcweir PipeConnection::~PipeConnection() 90cdf0e10cSrcweir { 91cdf0e10cSrcweir g_moduleCount.modCnt.release( &g_moduleCount.modCnt ); 92cdf0e10cSrcweir } 93cdf0e10cSrcweir read(Sequence<sal_Int8> & aReadBytes,sal_Int32 nBytesToRead)94cdf0e10cSrcweir sal_Int32 PipeConnection::read( Sequence < sal_Int8 > & aReadBytes , sal_Int32 nBytesToRead ) 95cdf0e10cSrcweir throw(::com::sun::star::io::IOException, 96cdf0e10cSrcweir ::com::sun::star::uno::RuntimeException) 97cdf0e10cSrcweir { 98cdf0e10cSrcweir if( ! m_nStatus ) 99cdf0e10cSrcweir { 100cdf0e10cSrcweir if( aReadBytes.getLength() < nBytesToRead ) 101cdf0e10cSrcweir { 102cdf0e10cSrcweir aReadBytes.realloc( nBytesToRead ); 103cdf0e10cSrcweir } 104cdf0e10cSrcweir sal_Int32 n = m_pipe.read( aReadBytes.getArray(), nBytesToRead ); 105cdf0e10cSrcweir OSL_ASSERT( n >= 0 && n <= aReadBytes.getLength() ); 106cdf0e10cSrcweir if( n < aReadBytes.getLength() ) 107cdf0e10cSrcweir { 108cdf0e10cSrcweir aReadBytes.realloc( n ); 109cdf0e10cSrcweir } 110cdf0e10cSrcweir return n; 111cdf0e10cSrcweir } 112cdf0e10cSrcweir else { 113cdf0e10cSrcweir throw IOException(); 114cdf0e10cSrcweir } 115cdf0e10cSrcweir } 116cdf0e10cSrcweir write(const Sequence<sal_Int8> & seq)117cdf0e10cSrcweir void PipeConnection::write( const Sequence < sal_Int8 > &seq ) 118cdf0e10cSrcweir throw(::com::sun::star::io::IOException, 119cdf0e10cSrcweir ::com::sun::star::uno::RuntimeException) 120cdf0e10cSrcweir { 121cdf0e10cSrcweir if( ! m_nStatus ) 122cdf0e10cSrcweir { 123cdf0e10cSrcweir if( m_pipe.write( seq.getConstArray() , seq.getLength() ) != seq.getLength() ) 124cdf0e10cSrcweir { 125cdf0e10cSrcweir throw IOException(); 126cdf0e10cSrcweir } 127cdf0e10cSrcweir } 128cdf0e10cSrcweir else { 129cdf0e10cSrcweir throw IOException(); 130cdf0e10cSrcweir } 131cdf0e10cSrcweir } 132cdf0e10cSrcweir flush()133cdf0e10cSrcweir void PipeConnection::flush( ) 134cdf0e10cSrcweir throw( ::com::sun::star::io::IOException, 135cdf0e10cSrcweir ::com::sun::star::uno::RuntimeException) 136cdf0e10cSrcweir { 137cdf0e10cSrcweir } 138cdf0e10cSrcweir close()139cdf0e10cSrcweir void PipeConnection::close() 140cdf0e10cSrcweir throw( ::com::sun::star::io::IOException, 141cdf0e10cSrcweir ::com::sun::star::uno::RuntimeException) 142cdf0e10cSrcweir { 143cdf0e10cSrcweir if( 1 == osl_incrementInterlockedCount( (&m_nStatus) ) ) 144cdf0e10cSrcweir { 145cdf0e10cSrcweir m_pipe.close(); 146cdf0e10cSrcweir } 147cdf0e10cSrcweir } 148cdf0e10cSrcweir getDescription()149cdf0e10cSrcweir OUString PipeConnection::getDescription() 150cdf0e10cSrcweir throw(::com::sun::star::uno::RuntimeException) 151cdf0e10cSrcweir { 152cdf0e10cSrcweir return m_sDescription; 153cdf0e10cSrcweir } 154cdf0e10cSrcweir 155cdf0e10cSrcweir /*************** 156cdf0e10cSrcweir * PipeAcceptor 157cdf0e10cSrcweir **************/ PipeAcceptor(const OUString & sPipeName,const OUString & sConnectionDescription)158cdf0e10cSrcweir PipeAcceptor::PipeAcceptor( const OUString &sPipeName , const OUString & sConnectionDescription) : 159cdf0e10cSrcweir m_sPipeName( sPipeName ), 160cdf0e10cSrcweir m_sConnectionDescription( sConnectionDescription ), 161cdf0e10cSrcweir m_bClosed( sal_False ) 162cdf0e10cSrcweir { 163cdf0e10cSrcweir } 164cdf0e10cSrcweir 165cdf0e10cSrcweir init()166cdf0e10cSrcweir void PipeAcceptor::init() 167cdf0e10cSrcweir { 168cdf0e10cSrcweir m_pipe = Pipe( m_sPipeName.pData , osl_Pipe_CREATE , osl::Security() ); 169cdf0e10cSrcweir if( ! m_pipe.is() ) 170cdf0e10cSrcweir { 171cdf0e10cSrcweir OUString error = OUString::createFromAscii( "io.acceptor: Couldn't setup pipe " ); 172cdf0e10cSrcweir error += m_sPipeName; 173cdf0e10cSrcweir throw ConnectionSetupException( error, Reference< XInterface > () ); 174cdf0e10cSrcweir } 175cdf0e10cSrcweir } 176cdf0e10cSrcweir accept()177cdf0e10cSrcweir Reference< XConnection > PipeAcceptor::accept( ) 178cdf0e10cSrcweir { 179cdf0e10cSrcweir Pipe pipe; 180cdf0e10cSrcweir { 181cdf0e10cSrcweir MutexGuard guard( m_mutex ); 182cdf0e10cSrcweir pipe = m_pipe; 183cdf0e10cSrcweir } 184cdf0e10cSrcweir if( ! pipe.is() ) 185cdf0e10cSrcweir { 186cdf0e10cSrcweir OUString error = OUString::createFromAscii( "io.acceptor: pipe already closed" ); 187cdf0e10cSrcweir error += m_sPipeName; 188cdf0e10cSrcweir throw ConnectionSetupException( error, Reference< XInterface > () ); 189cdf0e10cSrcweir } 190cdf0e10cSrcweir PipeConnection *pConn = new PipeConnection( m_sConnectionDescription ); 191cdf0e10cSrcweir 192cdf0e10cSrcweir oslPipeError status = pipe.accept( pConn->m_pipe ); 193cdf0e10cSrcweir 194cdf0e10cSrcweir if( m_bClosed ) 195cdf0e10cSrcweir { 196cdf0e10cSrcweir // stopAccepting was called ! 197cdf0e10cSrcweir delete pConn; 198cdf0e10cSrcweir return Reference < XConnection >(); 199cdf0e10cSrcweir } 200cdf0e10cSrcweir else if( osl_Pipe_E_None == status ) 201cdf0e10cSrcweir { 202cdf0e10cSrcweir return Reference < XConnection > ( (XConnection * ) pConn ); 203cdf0e10cSrcweir } 204cdf0e10cSrcweir else 205cdf0e10cSrcweir { 206cdf0e10cSrcweir OUString error = OUString::createFromAscii( "io.acceptor: Couldn't setup pipe " ); 207cdf0e10cSrcweir error += m_sPipeName; 208cdf0e10cSrcweir throw ConnectionSetupException( error, Reference< XInterface > ()); 209cdf0e10cSrcweir } 210cdf0e10cSrcweir } 211cdf0e10cSrcweir stopAccepting()212cdf0e10cSrcweir void PipeAcceptor::stopAccepting() 213cdf0e10cSrcweir { 214cdf0e10cSrcweir m_bClosed = sal_True; 215cdf0e10cSrcweir Pipe pipe; 216cdf0e10cSrcweir { 217cdf0e10cSrcweir MutexGuard guard( m_mutex ); 218cdf0e10cSrcweir pipe = m_pipe; 219cdf0e10cSrcweir m_pipe.clear(); 220cdf0e10cSrcweir } 221cdf0e10cSrcweir if( pipe.is() ) 222cdf0e10cSrcweir { 223cdf0e10cSrcweir pipe.close(); 224cdf0e10cSrcweir } 225cdf0e10cSrcweir } 226cdf0e10cSrcweir } 227