Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 190 insertions, 0 deletions

diff --git a/io/source/acceptor/acc_pipe.cxx b/io/source/acceptor/acc_pipe.cxx
new file mode 100644
index 000000000..db43c58db
--- /dev/null
+++ b/io/source/acceptor/acc_pipe.cxx
@@ -0,0 +1,190 @@
+/* -*- 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 <cppuhelper/implbase.hxx>
+#include <rtl/ref.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("pipe already closed");
+        }
+        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("pipe already closed");
+        }
+        if( m_pipe.write( seq.getConstArray() , seq.getLength() ) != seq.getLength() )
+        {
+            throw IOException("short write");
+        }
+    }
+
+    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;
+        {
+            std::unique_lock guard( m_mutex );
+            pipe = m_pipe;
+        }
+        if( ! pipe.is() )
+        {
+            OUString error = "io.acceptor: pipe already closed" + m_sPipeName;
+            throw ConnectionSetupException( error );
+        }
+        rtl::Reference<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 pConn;
+        }
+        else
+        {
+            OUString error = "io.acceptor: Couldn't setup pipe " + m_sPipeName;
+            throw ConnectionSetupException( error );
+        }
+    }
+
+    void PipeAcceptor::stopAccepting()
+    {
+        m_bClosed = true;
+        Pipe pipe;
+        {
+            std::unique_lock guard( m_mutex );
+            pipe = m_pipe;
+            m_pipe.clear();
+        }
+        if( pipe.is() )
+        {
+            pipe.close();
+        }
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */