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authorJens-Heiner Rechtien <hr@openoffice.org>2000-09-18 16:24:28 +0000
committerJens-Heiner Rechtien <hr@openoffice.org>2000-09-18 16:24:28 +0000
commitc368188fa9e6677a1d8a1fb41bca0e0244de3c60 (patch)
treee8f2631b0404a23a126accab0a0c80780fd6c5d1 /io/source/stm/opump.cxx
parent1ab65692f0a23cf8757a0937b325abcaa841d610 (diff)
initial import
Diffstat (limited to 'io/source/stm/opump.cxx')
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diff --git a/io/source/stm/opump.cxx b/io/source/stm/opump.cxx
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+/*************************************************************************
+ *
+ * $RCSfile: opump.cxx,v $
+ *
+ * $Revision: 1.1.1.1 $
+ *
+ * last change: $Author: hr $ $Date: 2000-09-18 17:24:18 $
+ *
+ * The Contents of this file are made available subject to the terms of
+ * either of the following licenses
+ *
+ * - GNU Lesser General Public License Version 2.1
+ * - Sun Industry Standards Source License Version 1.1
+ *
+ * Sun Microsystems Inc., October, 2000
+ *
+ * GNU Lesser General Public License Version 2.1
+ * =============================================
+ * Copyright 2000 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
+ *
+ *
+ * Sun Industry Standards Source License Version 1.1
+ * =================================================
+ * The contents of this file are subject to the Sun Industry Standards
+ * Source License Version 1.1 (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.openoffice.org/license.html.
+ *
+ * Software provided under this License is provided on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ * See the License for the specific provisions governing your rights and
+ * obligations concerning the Software.
+ *
+ * The Initial Developer of the Original Code is: Sun Microsystems, Inc.
+ *
+ * Copyright: 2000 by Sun Microsystems, Inc.
+ *
+ * All Rights Reserved.
+ *
+ * Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+#include <stdio.h>
+
+#include <osl/diagnose.h>
+
+#include <com/sun/star/io/XActiveDataSource.hpp>
+#include <com/sun/star/io/XActiveDataSink.hpp>
+#include <com/sun/star/io/XActiveDataControl.hpp>
+#include <com/sun/star/io/XConnectable.hpp>
+#include <com/sun/star/lang/XSingleServiceFactory.hpp>
+#include <com/sun/star/lang/XMultiServiceFactory.hpp>
+#include <com/sun/star/registry/XRegistryKey.hpp>
+
+#include <uno/dispatcher.h>
+#include <uno/mapping.hxx>
+#include <cppuhelper/implbase4.hxx>
+#include <cppuhelper/factory.hxx>
+#include <osl/mutex.hxx>
+#include <osl/thread.h>
+#include <stl/list>
+
+using namespace osl;
+using namespace std;
+using namespace rtl;
+using namespace cppu;
+using namespace com::sun::star::uno;
+using namespace com::sun::star::lang;
+using namespace com::sun::star::registry;
+using namespace com::sun::star::io;
+
+namespace io_stm {
+
+ class Pump : public WeakImplHelper4<
+ XActiveDataSource, XActiveDataSink, XActiveDataControl, XConnectable >
+ {
+ Mutex m_aMutex;
+ oslThread m_aThread;
+
+ Reference< XConnectable > m_xPred;
+ Reference< XConnectable > m_xSucc;
+ Reference< XInputStream > m_xInput;
+ Reference< XOutputStream > m_xOutput;
+ list< Reference< XStreamListener > > m_aListeners;
+
+ void run();
+ static void static_run( void* pObject );
+
+ void close();
+ void fireError( list< Reference< XStreamListener > > & , Any & exception);
+
+ public:
+ Pump();
+ virtual ~Pump();
+
+ // XActiveDataSource
+ virtual void SAL_CALL setOutputStream( const Reference< ::com::sun::star::io::XOutputStream >& xOutput ) throw();
+ virtual Reference< ::com::sun::star::io::XOutputStream > SAL_CALL getOutputStream() throw();
+
+ // XActiveDataSink
+ virtual void SAL_CALL setInputStream( const Reference< ::com::sun::star::io::XInputStream >& xStream ) throw();
+ virtual Reference< ::com::sun::star::io::XInputStream > SAL_CALL getInputStream() throw();
+
+ // XActiveDataControl
+ virtual void SAL_CALL addListener( const Reference< ::com::sun::star::io::XStreamListener >& xListener ) throw();
+ virtual void SAL_CALL removeListener( const Reference< ::com::sun::star::io::XStreamListener >& xListener ) throw();
+ virtual void SAL_CALL start() throw();
+ virtual void SAL_CALL terminate() throw();
+
+ // XConnectable
+ virtual void SAL_CALL setPredecessor( const Reference< ::com::sun::star::io::XConnectable >& xPred ) throw();
+ virtual Reference< ::com::sun::star::io::XConnectable > SAL_CALL getPredecessor() throw();
+ virtual void SAL_CALL setSuccessor( const Reference< ::com::sun::star::io::XConnectable >& xSucc ) throw();
+ virtual Reference< ::com::sun::star::io::XConnectable > SAL_CALL getSuccessor() throw();
+
+ };
+
+Pump::Pump() : m_aThread( NULL )
+{
+}
+
+Pump::~Pump()
+{
+ // exit gracefully
+ osl_joinWithThread( m_aThread );
+ osl_freeThreadHandle( m_aThread );
+}
+
+void Pump::fireError( list< Reference< XStreamListener > > &aList , Any & exception )
+{
+ list< Reference< XStreamListener > > aLocalListeners = aList;
+ list< Reference< XStreamListener > >::iterator it;
+ for( it = aLocalListeners.begin();
+ it != aLocalListeners.end(); ++it )
+ {
+ try
+ {
+ (*it)->error( exception );
+ }
+ catch ( RuntimeException &e )
+ {
+ OString sMessage = OUStringToOString( e.Message , RTL_TEXTENCODING_ASCII_US );
+ OSL_ENSHURE( !"com.sun.star.comp.stoc.Pump: unexpected exception during calling listeners", sMessage.getStr() );
+ }
+ }
+}
+
+void Pump::close()
+{
+ // close streams and release references
+
+ if( m_xInput.is() )
+ {
+ m_xInput->closeInput();
+ m_xInput = Reference< XInputStream >();
+ }
+ if( m_xOutput.is() )
+ {
+ m_xOutput->closeOutput();
+ m_xOutput = Reference< XOutputStream >();
+ }
+ m_aListeners = list< Reference< XStreamListener > >();
+ m_xSucc = Reference< XConnectable >();
+ m_xPred = Reference< XConnectable >();
+}
+
+void Pump::static_run( void* pObject )
+{
+ ((Pump*)pObject)->run();
+}
+
+void Pump::run()
+{
+ Guard< Mutex > aGuard( m_aMutex );
+
+ try
+ {
+ list< Reference< XStreamListener > >::iterator it;
+ for( it = m_aListeners.begin(); it != m_aListeners.end(); ++it )
+ {
+ (*it)->started();
+ }
+
+ try
+ {
+ Sequence< sal_Int8 > aData;
+ long nBytes;
+ while( nBytes = m_xInput->readBytes( aData, 65536 ) )
+ {
+ m_xOutput->writeBytes( aData );
+ if( nBytes < 65536 ) // marks EOF or error
+ break;
+ osl_yieldThread();
+ }
+
+ }
+ catch ( IOException & e )
+ {
+ Any aException;
+ aException <<= e;
+ fireError( m_aListeners , aException );
+ }
+ catch ( RuntimeException & e )
+ {
+ Any aException;
+ aException <<= e;
+ fireError( m_aListeners , aException );
+ }
+ catch ( Exception & e )
+ {
+ Any aException;
+ aException <<= e;
+ fireError( m_aListeners , aException );
+ }
+
+ // listeners may remove themselves when called this way
+ list< Reference< XStreamListener > > aLocalListeners = m_aListeners;
+ close();
+
+ for( it = aLocalListeners.begin();
+ it != aLocalListeners.end(); ++it )
+ {
+ try
+ {
+ (*it)->closed();
+ }
+ catch ( RuntimeException &e )
+ {
+ OString sMessage = OUStringToOString( e.Message , RTL_TEXTENCODING_ASCII_US );
+ OSL_ENSHURE( !"com.sun.star.comp.stoc.Pump: unexpected exception during calling listeners", sMessage.getStr() );
+ }
+ }
+ }
+ catch ( com::sun::star::uno::Exception &e )
+ {
+ // we are the last on the stack.
+ // this is to avoid crashing the program, when e.g. a bridge crashes
+ OString sMessage = OUStringToOString( e.Message , RTL_TEXTENCODING_ASCII_US );
+ OSL_ENSHURE( !"com.sun.star.comp.stoc.Pump: unexpected exception", sMessage.getStr() );
+ }
+}
+
+// ------------------------------------------------------------
+
+/*
+ * XConnectable
+ */
+
+void Pump::setPredecessor( const Reference< XConnectable >& xPred ) throw()
+{
+ Guard< Mutex > aGuard( m_aMutex );
+
+ m_xPred = xPred;
+}
+
+// ------------------------------------------------------------
+
+Reference< XConnectable > Pump::getPredecessor() throw()
+{
+ Guard< Mutex > aGuard( m_aMutex );
+
+ return m_xPred;
+}
+
+// ------------------------------------------------------------
+
+void Pump::setSuccessor( const Reference< XConnectable >& xSucc ) throw()
+{
+ Guard< Mutex > aGuard( m_aMutex );
+
+ m_xSucc = xSucc;
+}
+
+// ------------------------------------------------------------
+
+Reference< XConnectable > Pump::getSuccessor() throw()
+{
+ Guard< Mutex > aGuard( m_aMutex );
+
+ return m_xSucc;
+}
+
+// -----------------------------------------------------------------
+
+/*
+ * XActiveDataControl
+ */
+
+void Pump::addListener( const Reference< XStreamListener >& xListener ) throw()
+{
+ Guard< Mutex > aGuard( m_aMutex );
+
+ m_aListeners.push_back( xListener );
+}
+
+// ------------------------------------------------------------
+
+void Pump::removeListener( const Reference< XStreamListener >& xListener ) throw()
+{
+ Guard< Mutex > aGuard( m_aMutex );
+
+ m_aListeners.remove( xListener );
+}
+
+// ------------------------------------------------------------
+
+void Pump::start() throw()
+{
+ Guard< Mutex > aGuard( m_aMutex );
+
+ m_aThread = osl_createThread(
+ (oslWorkerFunction)Pump::static_run,
+ (void*)this
+ );
+}
+
+// ------------------------------------------------------------
+
+void Pump::terminate() throw()
+{
+ osl_joinWithThread( m_aThread );
+
+ Guard< Mutex > aGuard( m_aMutex );
+
+ // listeners may remove themselves when called this way
+ list< Reference< XStreamListener > > aLocalListeners = m_aListeners;
+ close();
+
+ for( list< Reference< XStreamListener > >::iterator it = aLocalListeners.begin();
+ it != aLocalListeners.end(); ++it )
+ {
+ (*it)->terminated();
+ }
+}
+
+// ------------------------------------------------------------
+
+/*
+ * XActiveDataSink
+ */
+
+void Pump::setInputStream( const Reference< XInputStream >& xStream ) throw()
+{
+ Guard< Mutex > aGuard( m_aMutex );
+
+ m_xInput = xStream;
+ Reference< XConnectable > xConnect( xStream, UNO_QUERY );
+ if( xConnect.is() )
+ xConnect->setSuccessor( this );
+ // data transfer starts in XActiveDataControl::start
+}
+
+// ------------------------------------------------------------
+
+Reference< XInputStream > Pump::getInputStream() throw()
+{
+ Guard< Mutex > aGuard( m_aMutex );
+
+ return m_xInput;
+}
+
+// ------------------------------------------------------------
+
+/*
+ * XActiveDataSource
+ */
+
+void Pump::setOutputStream( const Reference< XOutputStream >& xOut ) throw()
+{
+ Guard< Mutex > aGuard( m_aMutex );
+
+ m_xOutput = xOut;
+ Reference< XConnectable > xConnect( xOut, UNO_QUERY );
+ if( xConnect.is() )
+ xConnect->setPredecessor( this );
+ // data transfer starts in XActiveDataControl::start
+}
+
+// ------------------------------------------------------------
+
+Reference< XOutputStream > Pump::getOutputStream() throw()
+{
+ Guard< Mutex > aGuard( m_aMutex );
+
+ return m_xOutput;
+}
+
+
+Reference< XInterface > SAL_CALL OPumpImpl_CreateInstance( const Reference< XMultiServiceFactory > & rSMgr ) throw (Exception)
+{
+ return Reference< XInterface >( *new Pump );
+}
+
+OUString OPumpImpl_getServiceName()
+{
+ return OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.io.Pump" ) );
+}
+
+OUString OPumpImpl_getImplementationName()
+{
+ return OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.comp.io.Pump") );
+}
+
+Sequence<OUString> OPumpImpl_getSupportedServiceNames(void)
+{
+ OUString s = OPumpImpl_getServiceName();
+ Sequence< OUString > seq( &s , 1 );
+ return seq;
+}
+
+}
+