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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /io/source/acceptor/acceptor.cxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'io/source/acceptor/acceptor.cxx')
-rw-r--r--io/source/acceptor/acceptor.cxx253
1 files changed, 253 insertions, 0 deletions
diff --git a/io/source/acceptor/acceptor.cxx b/io/source/acceptor/acceptor.cxx
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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 <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: */