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+/* -*- 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 <osl/security.hxx>
+#include "acceptor.hxx"
+#include <com/sun/star/connection/XConnection.hpp>
+#include <com/sun/star/connection/ConnectionSetupException.hpp>
+#include <com/sun/star/io/IOException.hpp>
+
+#include <osl/diagnose.h>
+#include <osl/mutex.hxx>
+#include <cppuhelper/implbase.hxx>
+
+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
+{
+ namespace {
+
+ class PipeConnection :
+ public WeakImplHelper< XConnection >
+ {
+ public:
+ explicit PipeConnection( const OUString &sConnectionDescription);
+
+ virtual sal_Int32 SAL_CALL read( Sequence< sal_Int8 >& aReadBytes, sal_Int32 nBytesToRead ) override;
+ virtual void SAL_CALL write( const Sequence< sal_Int8 >& aData ) override;
+ virtual void SAL_CALL flush( ) override;
+ virtual void SAL_CALL close( ) override;
+ virtual OUString SAL_CALL getDescription( ) override;
+ public:
+ ::osl::StreamPipe m_pipe;
+ oslInterlockedCount m_nStatus;
+ OUString m_sDescription;
+ };
+
+ }
+
+ PipeConnection::PipeConnection( const OUString &sConnectionDescription) :
+ m_nStatus( 0 ),
+ m_sDescription( sConnectionDescription )
+ {
+ // make it unique
+ m_sDescription += ",uniqueValue=";
+ m_sDescription += OUString::number(
+ sal::static_int_cast<sal_Int64 >(
+ reinterpret_cast< sal_IntPtr >(&m_pipe)) );
+ }
+
+ sal_Int32 PipeConnection::read( Sequence < sal_Int8 > & aReadBytes , sal_Int32 nBytesToRead )
+ {
+ if( m_nStatus )
+ {
+ throw IOException();
+ }
+ 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;
+
+ }
+
+ void PipeConnection::write( const Sequence < sal_Int8 > &seq )
+ {
+ if( m_nStatus )
+ {
+ throw IOException();
+ }
+ if( m_pipe.write( seq.getConstArray() , seq.getLength() ) != seq.getLength() )
+ {
+ throw IOException();
+ }
+ }
+
+ void PipeConnection::flush( )
+ {
+ }
+
+ void PipeConnection::close()
+ {
+ if( 1 == osl_atomic_increment( (&m_nStatus) ) )
+ {
+ m_pipe.close();
+ }
+ }
+
+ OUString PipeConnection::getDescription()
+ {
+ return m_sDescription;
+ }
+
+ /***************
+ * PipeAcceptor
+ **************/
+ PipeAcceptor::PipeAcceptor( const OUString &sPipeName , const OUString & sConnectionDescription) :
+ m_sPipeName( sPipeName ),
+ m_sConnectionDescription( sConnectionDescription ),
+ m_bClosed( false )
+ {
+ }
+
+
+ void PipeAcceptor::init()
+ {
+ m_pipe = Pipe( m_sPipeName.pData , osl_Pipe_CREATE , osl::Security() );
+ if( ! m_pipe.is() )
+ {
+ OUString error = "io.acceptor: Couldn't setup pipe " + m_sPipeName;
+ throw ConnectionSetupException( error );
+ }
+ }
+
+ Reference< XConnection > PipeAcceptor::accept( )
+ {
+ Pipe pipe;
+ {
+ MutexGuard guard( m_mutex );
+ pipe = m_pipe;
+ }
+ if( ! pipe.is() )
+ {
+ OUString error = "io.acceptor: pipe already closed" + m_sPipeName;
+ throw ConnectionSetupException( error );
+ }
+ std::unique_ptr<PipeConnection> pConn(new PipeConnection( m_sConnectionDescription ));
+
+ oslPipeError status = pipe.accept( pConn->m_pipe );
+
+ if( m_bClosed )
+ {
+ // stopAccepting was called !
+ return Reference < XConnection >();
+ }
+ else if( osl_Pipe_E_None == status )
+ {
+ return Reference < XConnection > ( static_cast<XConnection *>(pConn.release()) );
+ }
+ else
+ {
+ OUString error = "io.acceptor: Couldn't setup pipe " + m_sPipeName;
+ throw ConnectionSetupException( error );
+ }
+ }
+
+ void PipeAcceptor::stopAccepting()
+ {
+ m_bClosed = true;
+ Pipe pipe;
+ {
+ MutexGuard guard( m_mutex );
+ pipe = m_pipe;
+ m_pipe.clear();
+ }
+ if( pipe.is() )
+ {
+ pipe.close();
+ }
+ }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */