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, 253 insertions, 0 deletions

diff --git a/io/source/acceptor/acceptor.cxx b/io/source/acceptor/acceptor.cxx
new file mode 100644
index 000000000..af0883be9
--- /dev/null
+++ b/io/source/acceptor/acceptor.cxx
@@ -0,0 +1,253 @@
+/* -*- 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 <cppuhelper/implbase.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <cppuhelper/unourl.hxx>
+#include <rtl/malformeduriexception.hxx>
+
+#include <com/sun/star/connection/AlreadyAcceptingException.hpp>
+#include <com/sun/star/connection/ConnectionSetupException.hpp>
+#include <com/sun/star/connection/XAcceptor.hpp>
+#include <com/sun/star/lang/IllegalArgumentException.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/uno/XComponentContext.hpp>
+
+#include "acceptor.hxx"
+#include <memory>
+#include <mutex>
+#include <string_view>
+
+using namespace ::osl;
+using namespace ::cppu;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::lang;
+using namespace ::com::sun::star::connection;
+
+namespace {
+
+    class OAcceptor : public WeakImplHelper< XAcceptor, XServiceInfo >
+    {
+    public:
+        explicit OAcceptor(const Reference< XComponentContext > & xCtx);
+        virtual ~OAcceptor() override;
+    public:
+        // Methods
+        virtual Reference< XConnection > SAL_CALL accept( const OUString& sConnectionDescription ) override;
+        virtual void SAL_CALL stopAccepting(  ) override;
+
+    public: // XServiceInfo
+                virtual OUString              SAL_CALL getImplementationName() override;
+                virtual Sequence< OUString >  SAL_CALL getSupportedServiceNames() override;
+                virtual sal_Bool              SAL_CALL supportsService(const OUString& ServiceName) override;
+
+    private:
+        std::unique_ptr<io_acceptor::PipeAcceptor> m_pPipe;
+        std::unique_ptr<io_acceptor::SocketAcceptor> m_pSocket;
+        std::mutex m_mutex;
+        OUString m_sLastDescription;
+        bool m_bInAccept;
+
+        Reference< XMultiComponentFactory > _xSMgr;
+        Reference< XComponentContext > _xCtx;
+        Reference<XAcceptor>         _xAcceptor;
+    };
+
+}
+
+OAcceptor::OAcceptor( const Reference< XComponentContext > & xCtx )
+    : m_bInAccept( false )
+    , _xSMgr( xCtx->getServiceManager() )
+    , _xCtx( xCtx )
+{}
+
+OAcceptor::~OAcceptor()
+{
+    m_pPipe.reset();
+}
+
+namespace {
+struct BeingInAccept
+{
+    /// @throws AlreadyAcceptingException
+    BeingInAccept( bool *pFlag,std::u16string_view sConnectionDescription  )
+        : m_pFlag( pFlag )
+        {
+              if( *m_pFlag )
+                  throw AlreadyAcceptingException( OUString::Concat("AlreadyAcceptingException :") + sConnectionDescription );
+              *m_pFlag = true;
+        }
+    ~BeingInAccept()
+        {
+            *m_pFlag = false;
+        }
+    bool *m_pFlag;
+};
+}
+
+Reference< XConnection > OAcceptor::accept( const OUString &sConnectionDescription )
+{
+    // if there is a thread already accepting in this object, throw an exception.
+    struct BeingInAccept guard( &m_bInAccept, sConnectionDescription );
+
+    Reference< XConnection > r;
+    if( !m_sLastDescription.isEmpty() &&
+        m_sLastDescription != sConnectionDescription )
+    {
+        // instantiate another acceptor for different ports
+        throw ConnectionSetupException( "acceptor::accept called multiple times with different connection strings\n" );
+    }
+
+    if( m_sLastDescription.isEmpty() )
+    {
+        // setup the acceptor
+        try
+        {
+            cppu::UnoUrlDescriptor aDesc(sConnectionDescription);
+            if ( aDesc.getName() == "pipe" )
+            {
+                OUString aName(
+                    aDesc.getParameter(
+                        "name"));
+
+                m_pPipe.reset(new io_acceptor::PipeAcceptor(aName, sConnectionDescription));
+
+                try
+                {
+                    m_pPipe->init();
+                }
+                catch( ... )
+                {
+                    {
+                        std::unique_lock g( m_mutex );
+                        m_pPipe.reset();
+                    }
+                    throw;
+                }
+            }
+            else if ( aDesc.getName() == "socket" )
+            {
+                OUString aHost;
+                if (aDesc.hasParameter(
+                        "host"))
+                    aHost = aDesc.getParameter(
+                        "host");
+                else
+                    aHost = "localhost";
+                sal_uInt16 nPort = static_cast< sal_uInt16 >(
+                    aDesc.getParameter(
+                        "port").
+                    toInt32());
+                bool bTcpNoDelay
+                    = aDesc.getParameter(
+                        "tcpnodelay").toInt32() != 0;
+
+                m_pSocket.reset(new io_acceptor::SocketAcceptor(
+                    aHost, nPort, bTcpNoDelay, sConnectionDescription));
+
+                try
+                {
+                    m_pSocket->init();
+                }
+                catch( ... )
+                {
+                    {
+                        std::unique_lock g( m_mutex );
+                        m_pSocket.reset();
+                    }
+                    throw;
+                }
+            }
+            else
+            {
+                OUString delegatee = "com.sun.star.connection.Acceptor." + aDesc.getName();
+                _xAcceptor.set(_xSMgr->createInstanceWithContext(delegatee, _xCtx), UNO_QUERY);
+
+                if(!_xAcceptor.is())
+                    throw ConnectionSetupException("Acceptor: unknown delegatee " + delegatee);
+            }
+        }
+        catch (const rtl::MalformedUriException & rEx)
+        {
+            throw IllegalArgumentException(
+                rEx.getMessage(),
+                Reference< XInterface > (),
+                0 );
+        }
+        m_sLastDescription = sConnectionDescription;
+    }
+
+    if( m_pPipe )
+    {
+        r = m_pPipe->accept();
+    }
+    else if( m_pSocket )
+    {
+        r = m_pSocket->accept();
+    }
+    else
+    {
+        r = _xAcceptor->accept(sConnectionDescription);
+    }
+
+    return r;
+}
+
+void SAL_CALL OAcceptor::stopAccepting(  )
+{
+    std::unique_lock guard( m_mutex );
+
+    if( m_pPipe )
+    {
+        m_pPipe->stopAccepting();
+    }
+    else if ( m_pSocket )
+    {
+        m_pSocket->stopAccepting();
+    }
+    else if( _xAcceptor.is() )
+    {
+        _xAcceptor->stopAccepting();
+    }
+
+}
+
+OUString OAcceptor::getImplementationName()
+{
+    return "com.sun.star.comp.io.Acceptor";
+}
+
+sal_Bool OAcceptor::supportsService(const OUString& ServiceName)
+{
+    return cppu::supportsService(this, ServiceName);
+}
+
+Sequence< OUString > OAcceptor::getSupportedServiceNames()
+{
+    return { "com.sun.star.connection.Acceptor" };
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+io_OAcceptor_get_implementation(
+    css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const&)
+{
+    return cppu::acquire(new OAcceptor(context));
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */