464 lines
12 KiB
C++
464 lines
12 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/*
|
|
* This file is part of the LibreOffice project.
|
|
*
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
*
|
|
* This file incorporates work covered by the following license notice:
|
|
*
|
|
* 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 .
|
|
*/
|
|
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <sal/log.hxx>
|
|
|
|
#include <com/sun/star/io/IOException.hpp>
|
|
#include <com/sun/star/io/NotConnectedException.hpp>
|
|
#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/lang/XServiceInfo.hpp>
|
|
#include <com/sun/star/registry/XRegistryKey.hpp>
|
|
|
|
#include <uno/dispatcher.h>
|
|
#include <uno/mapping.hxx>
|
|
#include <cppuhelper/implbase.hxx>
|
|
#include <cppuhelper/factory.hxx>
|
|
#include <cppuhelper/interfacecontainer.hxx>
|
|
#include <cppuhelper/supportsservice.hxx>
|
|
#include <osl/mutex.hxx>
|
|
#include <osl/thread.h>
|
|
|
|
|
|
using namespace osl;
|
|
using namespace std;
|
|
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;
|
|
|
|
#include <services.hxx>
|
|
|
|
namespace io_stm {
|
|
|
|
class Pump : public WeakImplHelper<
|
|
XActiveDataSource, XActiveDataSink, XActiveDataControl, XConnectable, XServiceInfo >
|
|
{
|
|
Mutex m_aMutex;
|
|
oslThread m_aThread;
|
|
|
|
Reference< XConnectable > m_xPred;
|
|
Reference< XConnectable > m_xSucc;
|
|
Reference< XInputStream > m_xInput;
|
|
Reference< XOutputStream > m_xOutput;
|
|
OInterfaceContainerHelper m_cnt;
|
|
bool m_closeFired;
|
|
|
|
void run();
|
|
static void static_run( void* pObject );
|
|
|
|
void close();
|
|
void fireClose();
|
|
void fireStarted();
|
|
void fireTerminated();
|
|
void fireError( const Any &a );
|
|
|
|
public:
|
|
Pump();
|
|
virtual ~Pump() override;
|
|
|
|
// XActiveDataSource
|
|
virtual void SAL_CALL setOutputStream( const Reference< css::io::XOutputStream >& xOutput ) override;
|
|
virtual Reference< css::io::XOutputStream > SAL_CALL getOutputStream() override;
|
|
|
|
// XActiveDataSink
|
|
virtual void SAL_CALL setInputStream( const Reference< css::io::XInputStream >& xStream ) override;
|
|
virtual Reference< css::io::XInputStream > SAL_CALL getInputStream() override;
|
|
|
|
// XActiveDataControl
|
|
virtual void SAL_CALL addListener( const Reference< css::io::XStreamListener >& xListener ) override;
|
|
virtual void SAL_CALL removeListener( const Reference< css::io::XStreamListener >& xListener ) override;
|
|
virtual void SAL_CALL start() override;
|
|
virtual void SAL_CALL terminate() override;
|
|
|
|
// XConnectable
|
|
virtual void SAL_CALL setPredecessor( const Reference< css::io::XConnectable >& xPred ) override;
|
|
virtual Reference< css::io::XConnectable > SAL_CALL getPredecessor() override;
|
|
virtual void SAL_CALL setSuccessor( const Reference< css::io::XConnectable >& xSucc ) override;
|
|
virtual Reference< css::io::XConnectable > SAL_CALL getSuccessor() override;
|
|
|
|
public: // XServiceInfo
|
|
virtual OUString SAL_CALL getImplementationName() override;
|
|
virtual Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
|
|
virtual sal_Bool SAL_CALL supportsService(const OUString& ServiceName) override;
|
|
};
|
|
|
|
Pump::Pump() : m_aThread( nullptr ),
|
|
m_cnt( m_aMutex ),
|
|
m_closeFired( false )
|
|
{
|
|
}
|
|
|
|
Pump::~Pump()
|
|
{
|
|
// exit gracefully
|
|
if( m_aThread )
|
|
{
|
|
osl_joinWithThread( m_aThread );
|
|
osl_destroyThread( m_aThread );
|
|
}
|
|
}
|
|
|
|
void Pump::fireError( const Any & exception )
|
|
{
|
|
OInterfaceIteratorHelper iter( m_cnt );
|
|
while( iter.hasMoreElements() )
|
|
{
|
|
try
|
|
{
|
|
static_cast< XStreamListener * > ( iter.next() )->error( exception );
|
|
}
|
|
catch ( const RuntimeException &e )
|
|
{
|
|
SAL_WARN("io.streams","com.sun.star.comp.stoc.Pump: unexpected exception during calling listeners" << e);
|
|
}
|
|
}
|
|
}
|
|
|
|
void Pump::fireClose()
|
|
{
|
|
bool bFire = false;
|
|
{
|
|
MutexGuard guard( m_aMutex );
|
|
if( ! m_closeFired )
|
|
{
|
|
m_closeFired = true;
|
|
bFire = true;
|
|
}
|
|
}
|
|
|
|
if( bFire )
|
|
{
|
|
OInterfaceIteratorHelper iter( m_cnt );
|
|
while( iter.hasMoreElements() )
|
|
{
|
|
try
|
|
{
|
|
static_cast< XStreamListener * > ( iter.next() )->closed( );
|
|
}
|
|
catch ( const RuntimeException &e )
|
|
{
|
|
SAL_WARN("io.streams","com.sun.star.comp.stoc.Pump: unexpected exception during calling listeners" << e);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void Pump::fireStarted()
|
|
{
|
|
OInterfaceIteratorHelper iter( m_cnt );
|
|
while( iter.hasMoreElements() )
|
|
{
|
|
try
|
|
{
|
|
static_cast< XStreamListener * > ( iter.next() )->started( );
|
|
}
|
|
catch ( const RuntimeException &e )
|
|
{
|
|
SAL_WARN("io.streams","com.sun.star.comp.stoc.Pump: unexpected exception during calling listeners" << e);
|
|
}
|
|
}
|
|
}
|
|
|
|
void Pump::fireTerminated()
|
|
{
|
|
OInterfaceIteratorHelper iter( m_cnt );
|
|
while( iter.hasMoreElements() )
|
|
{
|
|
try
|
|
{
|
|
static_cast< XStreamListener * > ( iter.next() )->terminated();
|
|
}
|
|
catch ( const RuntimeException &e )
|
|
{
|
|
SAL_WARN("io.streams","com.sun.star.comp.stoc.Pump: unexpected exception during calling listeners" << e);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void Pump::close()
|
|
{
|
|
// close streams and release references
|
|
Reference< XInputStream > rInput;
|
|
Reference< XOutputStream > rOutput;
|
|
{
|
|
MutexGuard guard( m_aMutex );
|
|
rInput = m_xInput;
|
|
m_xInput.clear();
|
|
|
|
rOutput = m_xOutput;
|
|
m_xOutput.clear();
|
|
m_xSucc.clear();
|
|
m_xPred.clear();
|
|
}
|
|
if( rInput.is() )
|
|
{
|
|
try
|
|
{
|
|
rInput->closeInput();
|
|
}
|
|
catch( Exception & )
|
|
{
|
|
// go down calm
|
|
}
|
|
}
|
|
if( rOutput.is() )
|
|
{
|
|
try
|
|
{
|
|
rOutput->closeOutput();
|
|
}
|
|
catch( Exception & )
|
|
{
|
|
// go down calm
|
|
}
|
|
}
|
|
}
|
|
|
|
void Pump::static_run( void* pObject )
|
|
{
|
|
osl_setThreadName("io_stm::Pump::run()");
|
|
static_cast<Pump*>(pObject)->run();
|
|
static_cast<Pump*>(pObject)->release();
|
|
}
|
|
|
|
void Pump::run()
|
|
{
|
|
try
|
|
{
|
|
fireStarted();
|
|
try
|
|
{
|
|
Reference< XInputStream > rInput;
|
|
Reference< XOutputStream > rOutput;
|
|
{
|
|
Guard< Mutex > aGuard( m_aMutex );
|
|
rInput = m_xInput;
|
|
rOutput = m_xOutput;
|
|
}
|
|
|
|
if( ! rInput.is() )
|
|
{
|
|
throw NotConnectedException( "no input stream set", static_cast<OWeakObject*>(this) );
|
|
}
|
|
Sequence< sal_Int8 > aData;
|
|
while( rInput->readSomeBytes( aData, 65536 ) )
|
|
{
|
|
if( ! rOutput.is() )
|
|
{
|
|
throw NotConnectedException( "no output stream set", static_cast<OWeakObject*>(this) );
|
|
}
|
|
rOutput->writeBytes( aData );
|
|
osl_yieldThread();
|
|
}
|
|
}
|
|
catch ( const IOException & e )
|
|
{
|
|
fireError( makeAny( e ) );
|
|
}
|
|
catch ( const RuntimeException & e )
|
|
{
|
|
fireError( makeAny( e ) );
|
|
}
|
|
catch ( const Exception & e )
|
|
{
|
|
fireError( makeAny( e ) );
|
|
}
|
|
|
|
close();
|
|
fireClose();
|
|
}
|
|
catch ( const css::uno::Exception &e )
|
|
{
|
|
// we are the last on the stack.
|
|
// this is to avoid crashing the program, when e.g. a bridge crashes
|
|
SAL_WARN("io.streams","com.sun.star.comp.stoc.Pump: unexpected exception during calling listeners" << e);
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* XConnectable
|
|
*/
|
|
|
|
void Pump::setPredecessor( const Reference< XConnectable >& xPred )
|
|
{
|
|
Guard< Mutex > aGuard( m_aMutex );
|
|
m_xPred = xPred;
|
|
}
|
|
|
|
|
|
Reference< XConnectable > Pump::getPredecessor()
|
|
{
|
|
Guard< Mutex > aGuard( m_aMutex );
|
|
return m_xPred;
|
|
}
|
|
|
|
|
|
void Pump::setSuccessor( const Reference< XConnectable >& xSucc )
|
|
{
|
|
Guard< Mutex > aGuard( m_aMutex );
|
|
m_xSucc = xSucc;
|
|
}
|
|
|
|
|
|
Reference< XConnectable > Pump::getSuccessor()
|
|
{
|
|
Guard< Mutex > aGuard( m_aMutex );
|
|
return m_xSucc;
|
|
}
|
|
|
|
|
|
/*
|
|
* XActiveDataControl
|
|
*/
|
|
|
|
void Pump::addListener( const Reference< XStreamListener >& xListener )
|
|
{
|
|
m_cnt.addInterface( xListener );
|
|
}
|
|
|
|
|
|
void Pump::removeListener( const Reference< XStreamListener >& xListener )
|
|
{
|
|
m_cnt.removeInterface( xListener );
|
|
}
|
|
|
|
|
|
void Pump::start()
|
|
{
|
|
Guard< Mutex > aGuard( m_aMutex );
|
|
m_aThread = osl_createSuspendedThread(Pump::static_run,this);
|
|
if( !m_aThread )
|
|
{
|
|
throw RuntimeException(
|
|
"Pump::start Couldn't create worker thread",
|
|
*this);
|
|
}
|
|
|
|
// will be released by OPump::static_run
|
|
acquire();
|
|
osl_resumeThread( m_aThread );
|
|
|
|
}
|
|
|
|
|
|
void Pump::terminate()
|
|
{
|
|
close();
|
|
|
|
// wait for the worker to die
|
|
if( m_aThread )
|
|
osl_joinWithThread( m_aThread );
|
|
|
|
fireTerminated();
|
|
fireClose();
|
|
}
|
|
|
|
|
|
/*
|
|
* XActiveDataSink
|
|
*/
|
|
|
|
void Pump::setInputStream( const Reference< XInputStream >& xStream )
|
|
{
|
|
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()
|
|
{
|
|
Guard< Mutex > aGuard( m_aMutex );
|
|
return m_xInput;
|
|
}
|
|
|
|
|
|
/*
|
|
* XActiveDataSource
|
|
*/
|
|
|
|
void Pump::setOutputStream( const Reference< XOutputStream >& xOut )
|
|
{
|
|
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()
|
|
{
|
|
Guard< Mutex > aGuard( m_aMutex );
|
|
return m_xOutput;
|
|
}
|
|
|
|
// XServiceInfo
|
|
OUString Pump::getImplementationName()
|
|
{
|
|
return OPumpImpl_getImplementationName();
|
|
}
|
|
|
|
// XServiceInfo
|
|
sal_Bool Pump::supportsService(const OUString& ServiceName)
|
|
{
|
|
return cppu::supportsService(this, ServiceName);
|
|
}
|
|
|
|
// XServiceInfo
|
|
Sequence< OUString > Pump::getSupportedServiceNames()
|
|
{
|
|
return OPumpImpl_getSupportedServiceNames();
|
|
}
|
|
|
|
|
|
Reference< XInterface > SAL_CALL OPumpImpl_CreateInstance(
|
|
SAL_UNUSED_PARAMETER const Reference< XComponentContext > & )
|
|
{
|
|
return Reference< XInterface >( *new Pump );
|
|
}
|
|
|
|
OUString OPumpImpl_getImplementationName()
|
|
{
|
|
return OUString("com.sun.star.comp.io.Pump");
|
|
}
|
|
|
|
Sequence<OUString> OPumpImpl_getSupportedServiceNames()
|
|
{
|
|
return Sequence< OUString > { "com.sun.star.io.Pump" };
|
|
}
|
|
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|