io/source/connector/ctr_pipe.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <sal/config.h>
  21
  22 #include <com/sun/star/io/IOException.hpp>
  23
  24 #include "connector.hxx"
  25 #include <osl/pipe.hxx>
  26
  27 using namespace ::osl;
  28 using namespace ::com::sun::star::uno;
  29 using namespace ::com::sun::star::io;
  30 using namespace ::com::sun::star::connection;
  31
  32
  33 namespace stoc_connector {
  34
  35     PipeConnection::PipeConnection( const OUString & sConnectionDescription ) :
  36         m_nStatus( 0 ),
  37         m_sDescription( sConnectionDescription )
  38     {
  39         // make it unique
  40         m_sDescription += ",uniqueValue=";
  41         m_sDescription += OUString::number(
  42             sal::static_int_cast< sal_Int64 >(
  43                 reinterpret_cast< sal_IntPtr >(&m_pipe)) );
  44     }
  45
  46     PipeConnection::~PipeConnection()
  47     {
  48     }
  49
  50     sal_Int32 PipeConnection::read( Sequence < sal_Int8 > & aReadBytes , sal_Int32 nBytesToRead )
  51     {
  52         if( m_nStatus )
  53         {
  54             throw IOException();
  55         }
  56         if( aReadBytes.getLength() != nBytesToRead )
  57         {
  58             aReadBytes.realloc( nBytesToRead );
  59         }
  60         return m_pipe.read( aReadBytes.getArray()  , aReadBytes.getLength() );
  61
  62     }
  63
  64     void PipeConnection::write( const Sequence < sal_Int8 > &seq )
  65     {
  66         if( m_nStatus )
  67         {
  68             throw IOException();
  69         }
  70         if( m_pipe.write( seq.getConstArray() , seq.getLength() ) != seq.getLength() )
  71         {
  72             throw IOException();
  73         }
  74     }
  75
  76     void PipeConnection::flush( )
  77     {
  78
  79     }
  80
  81     void PipeConnection::close()
  82     {
  83         // ensure that close is called only once
  84         if(1 == osl_atomic_increment( (&m_nStatus) ) )
  85         {
  86             m_pipe.close();
  87         }
  88     }
  89
  90     OUString PipeConnection::getDescription()
  91     {
  92         return m_sDescription;
  93     }
  94
  95 }
  96
  97 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */