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 #include <utility>
  27
  28 using namespace ::osl;
  29 using namespace ::com::sun::star::uno;
  30 using namespace ::com::sun::star::io;
  31 using namespace ::com::sun::star::connection;
  32
  33
  34 namespace stoc_connector {
  35
  36     PipeConnection::PipeConnection( OUString sConnectionDescription ) :
  37         m_nStatus( 0 ),
  38         m_sDescription(std::move( sConnectionDescription ))
  39     {
  40         // make it unique
  41         m_sDescription += ",uniqueValue=";
  42         m_sDescription += OUString::number(
  43             sal::static_int_cast< sal_Int64 >(
  44                 reinterpret_cast< sal_IntPtr >(&m_pipe)) );
  45     }
  46
  47     PipeConnection::~PipeConnection()
  48     {
  49     }
  50
  51     sal_Int32 PipeConnection::read( Sequence < sal_Int8 > & aReadBytes , sal_Int32 nBytesToRead )
  52     {
  53         if( m_nStatus )
  54         {
  55             throw IOException(u"pipe already closed"_ustr);
  56         }
  57         if( aReadBytes.getLength() != nBytesToRead )
  58         {
  59             aReadBytes.realloc( nBytesToRead );
  60         }
  61         return m_pipe.read( aReadBytes.getArray()  , aReadBytes.getLength() );
  62
  63     }
  64
  65     void PipeConnection::write( const Sequence < sal_Int8 > &seq )
  66     {
  67         if( m_nStatus )
  68         {
  69             throw IOException(u"pipe already closed"_ustr);
  70         }
  71         if( m_pipe.write( seq.getConstArray() , seq.getLength() ) != seq.getLength() )
  72         {
  73             throw IOException(u"short write"_ustr);
  74         }
  75     }
  76
  77     void PipeConnection::flush( )
  78     {
  79
  80     }
  81
  82     void PipeConnection::close()
  83     {
  84         // ensure that close is called only once
  85         if(1 == osl_atomic_increment( (&m_nStatus) ) )
  86         {
  87             m_pipe.close();
  88         }
  89     }
  90
  91     OUString PipeConnection::getDescription()
  92     {
  93         return m_sDescription;
  94     }
  95
  96 }
  97
  98 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */