AOO410/main/io/source/acceptor/acc_socket.cxx - openoffice - Git at Google

 /**************************************************************
  *
  * 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 "acceptor.hxx"

 #include <hash_set>
 #include <algorithm>

 #include <rtl/ustrbuf.hxx>
 #include <com/sun/star/connection/XConnectionBroadcaster.hpp>
 #include <com/sun/star/connection/ConnectionSetupException.hpp>

 #include <cppuhelper/implbase2.hxx>

 using namespace ::osl;
 using namespace ::rtl;
 using namespace ::cppu;
 using namespace ::com::sun::star::uno;
 using namespace ::com::sun::star::io;
 using namespace ::com::sun::star::connection;


 namespace io_acceptor {
 	template<class T>
 	struct ReferenceHash
 	{
 		size_t operator () (const ::com::sun::star::uno::Reference<T> & ref) const
         {
 			return (size_t)ref.get();
 		}
 	};

 	template<class T>
 	struct ReferenceEqual
 	{
 		sal_Bool operator () (const ::com::sun::star::uno::Reference<T> & op1,
 							  const ::com::sun::star::uno::Reference<T> & op2) const
         {
 			return op1.get() == op2.get();
 		}
 	};


 	typedef ::std::hash_set< ::com::sun::star::uno::Reference< ::com::sun::star::io::XStreamListener>,
                              ReferenceHash< ::com::sun::star::io::XStreamListener>,
                              ReferenceEqual< ::com::sun::star::io::XStreamListener> >
 	        XStreamListener_hash_set;


 	class SocketConnection : public ::cppu::WeakImplHelper2<
         ::com::sun::star::connection::XConnection,
 		::com::sun::star::connection::XConnectionBroadcaster>

 	{
 	public:
 		SocketConnection( const OUString & sConnectionDescription );
 		~SocketConnection();

 		virtual sal_Int32 SAL_CALL read( ::com::sun::star::uno::Sequence< sal_Int8 >& aReadBytes,
 										 sal_Int32 nBytesToRead )
 			throw(::com::sun::star::io::IOException,
 				  ::com::sun::star::uno::RuntimeException);
 		virtual void SAL_CALL write( const ::com::sun::star::uno::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);

 		// XConnectionBroadcaster
 		virtual void SAL_CALL addStreamListener(const ::com::sun::star::uno::Reference< ::com::sun::star::io::XStreamListener>& aListener)
 			throw(::com::sun::star::uno::RuntimeException);
 		virtual void SAL_CALL removeStreamListener(const ::com::sun::star::uno::Reference< ::com::sun::star::io::XStreamListener>& aListener)
 			throw(::com::sun::star::uno::RuntimeException);

 	public:
 		void completeConnectionString();

 		::osl::StreamSocket m_socket;
 		::osl::SocketAddr m_addr;
 		oslInterlockedCount m_nStatus;
 		::rtl::OUString m_sDescription;

 		::osl::Mutex _mutex;
 		sal_Bool     _started;
 		sal_Bool     _closed;
 		sal_Bool     _error;
 		XStreamListener_hash_set _listeners;
 	};

 	template<class T>
 	void notifyListeners(SocketConnection * pCon, sal_Bool * notified, T t)
 	{
   		XStreamListener_hash_set listeners;

 		{
 			::osl::MutexGuard guard(pCon->_mutex);
 			if(!*notified)
 			{
 				*notified = sal_True;
 				listeners = pCon->_listeners;
 			}
 		}

 		::std::for_each(listeners.begin(), listeners.end(), t);
 	}

 	static void callStarted(Reference<XStreamListener> xStreamListener)
 	{
 		xStreamListener->started();
 	}

 	struct callError {
 		const Any & any;

 		callError(const Any & any);

 		void operator () (Reference<XStreamListener> xStreamListener);
 	};

 	callError::callError(const Any & aAny)
 		: any(aAny)
 	{
 	}

 	void callError::operator () (Reference<XStreamListener> xStreamListener)
 	{
 		xStreamListener->error(any);
 	}

 	static void callClosed(Reference<XStreamListener> xStreamListener)
 	{
 		xStreamListener->closed();
 	}


 	SocketConnection::SocketConnection( const OUString &sConnectionDescription) :
 		m_nStatus( 0 ),
 		m_sDescription( sConnectionDescription ),
 		_started(sal_False),
 		_closed(sal_False),
 		_error(sal_False)
 	{
 		g_moduleCount.modCnt.acquire( &g_moduleCount.modCnt );
 		// make it unique
 		m_sDescription += OUString( RTL_CONSTASCII_USTRINGPARAM( ",uniqueValue=" ) );
 		m_sDescription += OUString::valueOf(
             sal::static_int_cast< sal_Int64 >(
                 reinterpret_cast< sal_IntPtr >(&m_socket)),
             10 );
 	}

 	SocketConnection::~SocketConnection()
 	{
 		g_moduleCount.modCnt.release( &g_moduleCount.modCnt );
 	}

 	void SocketConnection::completeConnectionString()
 	{
 		OUStringBuffer buf( 256 );
 		buf.appendAscii( ",peerPort=" );
 		buf.append( (sal_Int32) m_socket.getPeerPort() );
 		buf.appendAscii( ",peerHost=" );
 		buf.append( m_socket.getPeerHost( ) );

 		buf.appendAscii( ",localPort=" );
 		buf.append( (sal_Int32) m_socket.getLocalPort() );
 		buf.appendAscii( ",localHost=" );
 		buf.append( m_socket.getLocalHost() );

 		m_sDescription += buf.makeStringAndClear();
 	}

 	sal_Int32 SocketConnection::read( Sequence < sal_Int8 > & aReadBytes , sal_Int32 nBytesToRead )
 			throw(::com::sun::star::io::IOException,
 				  ::com::sun::star::uno::RuntimeException)
 	{
 		if( ! m_nStatus )
 		{
 			notifyListeners(this, &_started, callStarted);

 			if( aReadBytes.getLength() != nBytesToRead )
 			{
 				aReadBytes.realloc( nBytesToRead );
 			}

 			sal_Int32 i = 0;
 			i = m_socket.read( aReadBytes.getArray()  , aReadBytes.getLength() );

 			if(i != nBytesToRead)
 			{
 				OUString message(RTL_CONSTASCII_USTRINGPARAM("acc_socket.cxx:SocketConnection::read: error - "));
 				message +=	m_socket.getErrorAsString();

 				IOException ioException(message, Reference<XInterface>(static_cast<XConnection *>(this)));

 				Any any;
 				any <<= ioException;

 				notifyListeners(this, &_error, callError(any));

 				throw ioException;
 			}

 			return i;
 		}
 		else
 		{
 			OUString message(RTL_CONSTASCII_USTRINGPARAM("acc_socket.cxx:SocketConnection::read: error - connection already closed"));

 			IOException ioException(message, Reference<XInterface>(static_cast<XConnection *>(this)));

 			Any any;
 			any <<= ioException;

 			notifyListeners(this, &_error, callError(any));

 			throw ioException;
 		}
 	}

 	void SocketConnection::write( const Sequence < sal_Int8 > &seq )
 			throw(::com::sun::star::io::IOException,
 				  ::com::sun::star::uno::RuntimeException)
 	{
 		if( ! m_nStatus )
 		{
 			if( m_socket.write( seq.getConstArray() , seq.getLength() ) != seq.getLength() )
 			{
 				OUString message(RTL_CONSTASCII_USTRINGPARAM("acc_socket.cxx:SocketConnection::write: error - "));
 				message += m_socket.getErrorAsString();

 				IOException ioException(message, Reference<XInterface>(static_cast<XConnection *>(this)));

 				Any any;
 				any <<= ioException;

 				notifyListeners(this, &_error, callError(any));

 				throw ioException;
 			}
 		}
 		else
 		{
 			OUString message(RTL_CONSTASCII_USTRINGPARAM("acc_socket.cxx:SocketConnection::write: error - connection already closed"));

 			IOException ioException(message, Reference<XInterface>(static_cast<XConnection *>(this)));

 			Any any;
 			any <<= ioException;

 			notifyListeners(this, &_error, callError(any));

 			throw ioException;
 		}
 	}

 	void SocketConnection::flush( )
 			throw(::com::sun::star::io::IOException,
 				  ::com::sun::star::uno::RuntimeException)
 	{

 	}

 	void SocketConnection::close()
 			throw(::com::sun::star::io::IOException,
 				  ::com::sun::star::uno::RuntimeException)
 	{
 		// enshure close is called only once
 		if(  1 == osl_incrementInterlockedCount( (&m_nStatus) ) )
 		{
 			m_socket.shutdown();
 			notifyListeners(this, &_closed, callClosed);
 		}
 	}

 	OUString SocketConnection::getDescription()
 			throw( ::com::sun::star::uno::RuntimeException)
 	{
 		return m_sDescription;
 	}


 	// XConnectionBroadcaster
 	void SAL_CALL SocketConnection::addStreamListener(const Reference<XStreamListener> & aListener) throw(RuntimeException)
 	{
 		MutexGuard guard(_mutex);

 		_listeners.insert(aListener);
 	}

 	void SAL_CALL SocketConnection::removeStreamListener(const Reference<XStreamListener> & aListener) throw(RuntimeException)
 	{
 		MutexGuard guard(_mutex);

 		_listeners.erase(aListener);
 	}

 	SocketAcceptor::SocketAcceptor( const OUString &sSocketName,
 									sal_uInt16 nPort,
 									sal_Bool bTcpNoDelay,
 									const OUString &sConnectionDescription) :
 		m_sSocketName( sSocketName ),
 		m_sConnectionDescription( sConnectionDescription ),
 		m_nPort( nPort ),
 		m_bTcpNoDelay( bTcpNoDelay ),
 		m_bClosed( sal_False )
 	{
 	}


 	void SocketAcceptor::init()
 	{
 		if( ! m_addr.setPort( m_nPort ) )
 		{
 			OUStringBuffer message( 128 );
 			message.appendAscii( "acc_socket.cxx:SocketAcceptor::init - error - invalid tcp/ip port " );
 			message.append( (sal_Int32) m_nPort );
 			throw ConnectionSetupException(
 				message.makeStringAndClear() , Reference< XInterface> () );
 		}
 		if( ! m_addr.setHostname( m_sSocketName.pData ) )
 		{
 			OUStringBuffer message( 128 );
 			message.appendAscii( "acc_socket.cxx:SocketAcceptor::init - error - invalid host " );
 			message.append( m_sSocketName );
 			throw ConnectionSetupException(
 				message.makeStringAndClear(), Reference< XInterface > () );
 		}
 		m_socket.setOption( osl_Socket_OptionReuseAddr, 1);

 		if(! m_socket.bind(m_addr) )
 		{
 			OUStringBuffer message( 128 );
 			message.appendAscii( "acc_socket.cxx:SocketAcceptor::init - error - couldn't bind on " );
 			message.append( m_sSocketName ).appendAscii( ":" ).append((sal_Int32)m_nPort);
 			throw ConnectionSetupException(
 				message.makeStringAndClear(),
 				Reference<XInterface>());
 		}

 		if(! m_socket.listen() )
 		{
 			OUStringBuffer message( 128 );
 			message.appendAscii( "acc_socket.cxx:SocketAcceptor::init - error - can't listen on " );
 			message.append( m_sSocketName ).appendAscii( ":" ).append( (sal_Int32) m_nPort);
 			throw ConnectionSetupException(	message.makeStringAndClear(),Reference<XInterface>() );
 		}
 	}

 	Reference< XConnection > SocketAcceptor::accept( )
 	{
 		SocketConnection *pConn = new SocketConnection( m_sConnectionDescription );

 		if( m_socket.acceptConnection( pConn->m_socket )!= osl_Socket_Ok )
 		{
 			// stopAccepting was called
 			delete pConn;
 			return Reference < XConnection > ();
 		}
 		if( m_bClosed )
 		{
 			delete pConn;
 			return Reference < XConnection > ();
 		}

 		pConn->completeConnectionString();
 		if( m_bTcpNoDelay )
 		{
 			sal_Int32 nTcpNoDelay = sal_True;
 			pConn->m_socket.setOption( osl_Socket_OptionTcpNoDelay , &nTcpNoDelay,
 									   sizeof( nTcpNoDelay ) , osl_Socket_LevelTcp );
 		}

 		return Reference < XConnection > ( (XConnection * ) pConn );
 	}

 	void SocketAcceptor::stopAccepting()
 	{
 		m_bClosed = sal_True;
 		m_socket.close();
 	}
 }
	/**************************************************************
	*
	* 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 "acceptor.hxx"

	#include <hash_set>
	#include <algorithm>

	#include <rtl/ustrbuf.hxx>
	#include <com/sun/star/connection/XConnectionBroadcaster.hpp>
	#include <com/sun/star/connection/ConnectionSetupException.hpp>

	#include <cppuhelper/implbase2.hxx>

	using namespace ::osl;
	using namespace ::rtl;
	using namespace ::cppu;
	using namespace ::com::sun::star::uno;
	using namespace ::com::sun::star::io;
	using namespace ::com::sun::star::connection;


	namespace io_acceptor {
	template<class T>
	struct ReferenceHash
	{
	size_t operator () (const ::com::sun::star::uno::Reference<T> & ref) const
	{
	return (size_t)ref.get();
	}
	};

	template<class T>
	struct ReferenceEqual
	{
	sal_Bool operator () (const ::com::sun::star::uno::Reference<T> & op1,
	const ::com::sun::star::uno::Reference<T> & op2) const
	{
	return op1.get() == op2.get();
	}
	};


	typedef ::std::hash_set< ::com::sun::star::uno::Reference< ::com::sun::star::io::XStreamListener>,
	ReferenceHash< ::com::sun::star::io::XStreamListener>,
	ReferenceEqual< ::com::sun::star::io::XStreamListener> >
	XStreamListener_hash_set;


	class SocketConnection : public ::cppu::WeakImplHelper2<
	::com::sun::star::connection::XConnection,
	::com::sun::star::connection::XConnectionBroadcaster>

	{
	public:
	SocketConnection( const OUString & sConnectionDescription );
	~SocketConnection();

	virtual sal_Int32 SAL_CALL read( ::com::sun::star::uno::Sequence< sal_Int8 >& aReadBytes,
	sal_Int32 nBytesToRead )
	throw(::com::sun::star::io::IOException,
	::com::sun::star::uno::RuntimeException);
	virtual void SAL_CALL write( const ::com::sun::star::uno::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);

	// XConnectionBroadcaster
	virtual void SAL_CALL addStreamListener(const ::com::sun::star::uno::Reference< ::com::sun::star::io::XStreamListener>& aListener)
	throw(::com::sun::star::uno::RuntimeException);
	virtual void SAL_CALL removeStreamListener(const ::com::sun::star::uno::Reference< ::com::sun::star::io::XStreamListener>& aListener)
	throw(::com::sun::star::uno::RuntimeException);

	public:
	void completeConnectionString();

	::osl::StreamSocket m_socket;
	::osl::SocketAddr m_addr;
	oslInterlockedCount m_nStatus;
	::rtl::OUString m_sDescription;

	::osl::Mutex _mutex;
	sal_Bool _started;
	sal_Bool _closed;
	sal_Bool _error;
	XStreamListener_hash_set _listeners;
	};

	template<class T>
	void notifyListeners(SocketConnection * pCon, sal_Bool * notified, T t)
	{
	XStreamListener_hash_set listeners;

	{
	::osl::MutexGuard guard(pCon->_mutex);
	if(!*notified)
	{
	*notified = sal_True;
	listeners = pCon->_listeners;
	}
	}

	::std::for_each(listeners.begin(), listeners.end(), t);
	}

	static void callStarted(Reference<XStreamListener> xStreamListener)
	{
	xStreamListener->started();
	}

	struct callError {
	const Any & any;

	callError(const Any & any);

	void operator () (Reference<XStreamListener> xStreamListener);
	};

	callError::callError(const Any & aAny)
	: any(aAny)
	{
	}

	void callError::operator () (Reference<XStreamListener> xStreamListener)
	{
	xStreamListener->error(any);
	}

	static void callClosed(Reference<XStreamListener> xStreamListener)
	{
	xStreamListener->closed();
	}


	SocketConnection::SocketConnection( const OUString &sConnectionDescription) :
	m_nStatus( 0 ),
	m_sDescription( sConnectionDescription ),
	_started(sal_False),
	_closed(sal_False),
	_error(sal_False)
	{
	g_moduleCount.modCnt.acquire( &g_moduleCount.modCnt );
	// make it unique
	m_sDescription += OUString( RTL_CONSTASCII_USTRINGPARAM( ",uniqueValue=" ) );
	m_sDescription += OUString::valueOf(
	sal::static_int_cast< sal_Int64 >(
	reinterpret_cast< sal_IntPtr >(&m_socket)),
	10 );
	}

	SocketConnection::~SocketConnection()
	{
	g_moduleCount.modCnt.release( &g_moduleCount.modCnt );
	}

	void SocketConnection::completeConnectionString()
	{
	OUStringBuffer buf( 256 );
	buf.appendAscii( ",peerPort=" );
	buf.append( (sal_Int32) m_socket.getPeerPort() );
	buf.appendAscii( ",peerHost=" );
	buf.append( m_socket.getPeerHost( ) );

	buf.appendAscii( ",localPort=" );
	buf.append( (sal_Int32) m_socket.getLocalPort() );
	buf.appendAscii( ",localHost=" );
	buf.append( m_socket.getLocalHost() );

	m_sDescription += buf.makeStringAndClear();
	}

	sal_Int32 SocketConnection::read( Sequence < sal_Int8 > & aReadBytes , sal_Int32 nBytesToRead )
	throw(::com::sun::star::io::IOException,
	::com::sun::star::uno::RuntimeException)
	{
	if( ! m_nStatus )
	{
	notifyListeners(this, &_started, callStarted);

	if( aReadBytes.getLength() != nBytesToRead )
	{
	aReadBytes.realloc( nBytesToRead );
	}

	sal_Int32 i = 0;
	i = m_socket.read( aReadBytes.getArray() , aReadBytes.getLength() );

	if(i != nBytesToRead)
	{
	OUString message(RTL_CONSTASCII_USTRINGPARAM("acc_socket.cxx:SocketConnection::read: error - "));
	message += m_socket.getErrorAsString();

	IOException ioException(message, Reference<XInterface>(static_cast<XConnection *>(this)));

	Any any;
	any <<= ioException;

	notifyListeners(this, &_error, callError(any));

	throw ioException;
	}

	return i;
	}
	else
	{
	OUString message(RTL_CONSTASCII_USTRINGPARAM("acc_socket.cxx:SocketConnection::read: error - connection already closed"));

	IOException ioException(message, Reference<XInterface>(static_cast<XConnection *>(this)));

	Any any;
	any <<= ioException;

	notifyListeners(this, &_error, callError(any));

	throw ioException;
	}
	}

	void SocketConnection::write( const Sequence < sal_Int8 > &seq )
	throw(::com::sun::star::io::IOException,
	::com::sun::star::uno::RuntimeException)
	{
	if( ! m_nStatus )
	{
	if( m_socket.write( seq.getConstArray() , seq.getLength() ) != seq.getLength() )
	{
	OUString message(RTL_CONSTASCII_USTRINGPARAM("acc_socket.cxx:SocketConnection::write: error - "));
	message += m_socket.getErrorAsString();

	IOException ioException(message, Reference<XInterface>(static_cast<XConnection *>(this)));

	Any any;
	any <<= ioException;

	notifyListeners(this, &_error, callError(any));

	throw ioException;
	}
	}
	else
	{
	OUString message(RTL_CONSTASCII_USTRINGPARAM("acc_socket.cxx:SocketConnection::write: error - connection already closed"));

	IOException ioException(message, Reference<XInterface>(static_cast<XConnection *>(this)));

	Any any;
	any <<= ioException;

	notifyListeners(this, &_error, callError(any));

	throw ioException;
	}
	}

	void SocketConnection::flush( )
	throw(::com::sun::star::io::IOException,
	::com::sun::star::uno::RuntimeException)
	{

	}

	void SocketConnection::close()
	throw(::com::sun::star::io::IOException,
	::com::sun::star::uno::RuntimeException)
	{
	// enshure close is called only once
	if( 1 == osl_incrementInterlockedCount( (&m_nStatus) ) )
	{
	m_socket.shutdown();
	notifyListeners(this, &_closed, callClosed);
	}
	}

	OUString SocketConnection::getDescription()
	throw( ::com::sun::star::uno::RuntimeException)
	{
	return m_sDescription;
	}


	// XConnectionBroadcaster
	void SAL_CALL SocketConnection::addStreamListener(const Reference<XStreamListener> & aListener) throw(RuntimeException)
	{
	MutexGuard guard(_mutex);

	_listeners.insert(aListener);
	}

	void SAL_CALL SocketConnection::removeStreamListener(const Reference<XStreamListener> & aListener) throw(RuntimeException)
	{
	MutexGuard guard(_mutex);

	_listeners.erase(aListener);
	}

	SocketAcceptor::SocketAcceptor( const OUString &sSocketName,
	sal_uInt16 nPort,
	sal_Bool bTcpNoDelay,
	const OUString &sConnectionDescription) :
	m_sSocketName( sSocketName ),
	m_sConnectionDescription( sConnectionDescription ),
	m_nPort( nPort ),
	m_bTcpNoDelay( bTcpNoDelay ),
	m_bClosed( sal_False )
	{
	}


	void SocketAcceptor::init()
	{
	if( ! m_addr.setPort( m_nPort ) )
	{
	OUStringBuffer message( 128 );
	message.appendAscii( "acc_socket.cxx:SocketAcceptor::init - error - invalid tcp/ip port " );
	message.append( (sal_Int32) m_nPort );
	throw ConnectionSetupException(
	message.makeStringAndClear() , Reference< XInterface> () );
	}
	if( ! m_addr.setHostname( m_sSocketName.pData ) )
	{
	OUStringBuffer message( 128 );
	message.appendAscii( "acc_socket.cxx:SocketAcceptor::init - error - invalid host " );
	message.append( m_sSocketName );
	throw ConnectionSetupException(
	message.makeStringAndClear(), Reference< XInterface > () );
	}
	m_socket.setOption( osl_Socket_OptionReuseAddr, 1);

	if(! m_socket.bind(m_addr) )
	{
	OUStringBuffer message( 128 );
	message.appendAscii( "acc_socket.cxx:SocketAcceptor::init - error - couldn't bind on " );
	message.append( m_sSocketName ).appendAscii( ":" ).append((sal_Int32)m_nPort);
	throw ConnectionSetupException(
	message.makeStringAndClear(),
	Reference<XInterface>());
	}

	if(! m_socket.listen() )
	{
	OUStringBuffer message( 128 );
	message.appendAscii( "acc_socket.cxx:SocketAcceptor::init - error - can't listen on " );
	message.append( m_sSocketName ).appendAscii( ":" ).append( (sal_Int32) m_nPort);
	throw ConnectionSetupException( message.makeStringAndClear(),Reference<XInterface>() );
	}
	}

	Reference< XConnection > SocketAcceptor::accept( )
	{
	SocketConnection *pConn = new SocketConnection( m_sConnectionDescription );

	if( m_socket.acceptConnection( pConn->m_socket )!= osl_Socket_Ok )
	{
	// stopAccepting was called
	delete pConn;
	return Reference < XConnection > ();
	}
	if( m_bClosed )
	{
	delete pConn;
	return Reference < XConnection > ();
	}

	pConn->completeConnectionString();
	if( m_bTcpNoDelay )
	{
	sal_Int32 nTcpNoDelay = sal_True;
	pConn->m_socket.setOption( osl_Socket_OptionTcpNoDelay , &nTcpNoDelay,
	sizeof( nTcpNoDelay ) , osl_Socket_LevelTcp );
	}

	return Reference < XConnection > ( (XConnection * ) pConn );
	}

	void SocketAcceptor::stopAccepting()
	{
	m_bClosed = sal_True;
	m_socket.close();
	}
	}