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Diffstat (limited to 'desktop/source/offacc/acceptor.cxx')
| -rw-r--r-- | desktop/source/offacc/acceptor.cxx | 296 |
1 files changed, 296 insertions, 0 deletions
diff --git a/desktop/source/offacc/acceptor.cxx b/desktop/source/offacc/acceptor.cxx new file mode 100644 index 000000000..a417d6a5d --- /dev/null +++ b/desktop/source/offacc/acceptor.cxx @@ -0,0 +1,296 @@ +/* -*- 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 <sal/config.h> + +#include "acceptor.hxx" +#include <com/sun/star/bridge/BridgeFactory.hpp> +#include <com/sun/star/connection/Acceptor.hpp> +#include <com/sun/star/uno/XNamingService.hpp> +#include <com/sun/star/lang/XSingleServiceFactory.hpp> +#include <comphelper/processfactory.hxx> +#include <cppuhelper/factory.hxx> +#include <cppuhelper/supportsservice.hxx> +#include <sal/log.hxx> +#include <tools/diagnose_ex.h> + +using namespace css::bridge; +using namespace css::connection; +using namespace css::lang; +using namespace css::uno; + +namespace desktop +{ + +extern "C" { + +static void offacc_workerfunc (void * acc) +{ + osl_setThreadName("URP Acceptor"); + + static_cast<Acceptor*>(acc)->run(); +} + +} + +Acceptor::Acceptor( const Reference< XComponentContext >& rxContext ) + : m_thread(nullptr) + , m_rContext(rxContext) + , m_bInit(false) + , m_bDying(false) +{ + m_rAcceptor = css::connection::Acceptor::create(m_rContext); + m_rBridgeFactory = BridgeFactory::create(m_rContext); +} + + +Acceptor::~Acceptor() +{ + m_rAcceptor->stopAccepting(); + oslThread t; + { + osl::MutexGuard g(m_aMutex); + t = m_thread; + } + //prevent locking if the thread is still waiting + m_bDying = true; + m_cEnable.set(); + osl_joinWithThread(t); + osl_destroyThread(t); + { + // Make the final state of m_bridges visible to this thread (since + // m_thread is joined, the code that follows is the only one left + // accessing m_bridges): + osl::MutexGuard g(m_aMutex); + } + for (;;) { + css::uno::Reference< css::bridge::XBridge > b(m_bridges.remove()); + if (!b.is()) { + break; + } + css::uno::Reference< css::lang::XComponent >( + b, css::uno::UNO_QUERY_THROW)->dispose(); + } +} + +void Acceptor::run() +{ + SAL_INFO( "desktop.offacc", "Acceptor::run" ); + for (;;) + { + try + { + // wait until we get enabled + SAL_INFO( "desktop.offacc", + "Acceptor::run waiting for office to come up"); + m_cEnable.wait(); + if (m_bDying) //see destructor + break; + SAL_INFO( "desktop.offacc", + "Acceptor::run now enabled and continuing"); + + // accept connection + Reference< XConnection > rConnection = m_rAcceptor->accept( m_aConnectString ); + // if we return without a valid connection we must assume that the acceptor + // is destructed so we break out of the run method terminating the thread + if (! rConnection.is()) break; + OUString aDescription = rConnection->getDescription(); + SAL_INFO( "desktop.offacc", "Acceptor::run connection " << aDescription ); + + // create instanceprovider for this connection + Reference< XInstanceProvider > rInstanceProvider(new AccInstanceProvider(m_rContext)); + // create the bridge. The remote end will have a reference to this bridge + // thus preventing the bridge from being disposed. When the remote end releases + // the bridge, it will be destructed. + Reference< XBridge > rBridge = m_rBridgeFactory->createBridge( + "", m_aProtocol, rConnection, rInstanceProvider); + osl::MutexGuard g(m_aMutex); + m_bridges.add(rBridge); + } catch (const Exception&) { + TOOLS_WARN_EXCEPTION("desktop.offacc", ""); + // connection failed... + // something went wrong during connection setup. + // just wait for a new connection to accept + } + } +} + +// XInitialize +void Acceptor::initialize( const Sequence<Any>& aArguments ) +{ + // prevent multiple initialization + osl::MutexGuard aGuard( m_aMutex ); + SAL_INFO( "desktop.offacc", "Acceptor::initialize()" ); + + bool bOk = false; + + // arg count + int nArgs = aArguments.getLength(); + + // not yet initialized and accept-string + if (!m_bInit && nArgs > 0 && (aArguments[0] >>= m_aAcceptString)) + { + SAL_INFO( "desktop.offacc", "Acceptor::initialize string=" << m_aAcceptString ); + + // get connect string and protocol from accept string + // "<connectString>;<protocol>" + sal_Int32 nIndex1 = m_aAcceptString.indexOf( ';' ); + if (nIndex1 < 0) + throw IllegalArgumentException( + "Invalid accept-string format", m_rContext, 1); + m_aConnectString = m_aAcceptString.copy( 0 , nIndex1 ).trim(); + nIndex1++; + sal_Int32 nIndex2 = m_aAcceptString.indexOf( ';' , nIndex1 ); + if (nIndex2 < 0) nIndex2 = m_aAcceptString.getLength(); + m_aProtocol = m_aAcceptString.copy( nIndex1, nIndex2 - nIndex1 ); + + // start accepting in new thread... + m_thread = osl_createThread(offacc_workerfunc, this); + m_bInit = true; + bOk = true; + } + + // do we want to enable accepting? + bool bEnable = false; + if (((nArgs == 1 && (aArguments[0] >>= bEnable)) || + (nArgs == 2 && (aArguments[1] >>= bEnable))) && + bEnable ) + { + m_cEnable.set(); + bOk = true; + } + + if (!bOk) + { + throw IllegalArgumentException( "invalid initialization", m_rContext, 1); + } +} + +// XServiceInfo +OUString Acceptor::impl_getImplementationName() +{ + return "com.sun.star.office.comp.Acceptor"; +} +OUString Acceptor::getImplementationName() +{ + return Acceptor::impl_getImplementationName(); +} +Sequence<OUString> Acceptor::impl_getSupportedServiceNames() +{ + return { "com.sun.star.office.Acceptor" }; +} +Sequence<OUString> Acceptor::getSupportedServiceNames() +{ + return Acceptor::impl_getSupportedServiceNames(); +} + +sal_Bool Acceptor::supportsService(OUString const & ServiceName) +{ + return cppu::supportsService(this, ServiceName); +} + +// Factory +Reference< XInterface > Acceptor::impl_getInstance( const Reference< XMultiServiceFactory >& aFactory ) +{ + try { + return static_cast<cppu::OWeakObject *>( + new Acceptor(comphelper::getComponentContext(aFactory))); + } catch ( const Exception& ) { + return css::uno::Reference<css::uno::XInterface>(); + } +} + +// InstanceProvider +AccInstanceProvider::AccInstanceProvider(const Reference<XComponentContext>& rxContext) + : m_rContext(rxContext) +{ +} + +AccInstanceProvider::~AccInstanceProvider() +{ +} + +Reference<XInterface> AccInstanceProvider::getInstance (const OUString& aName ) +{ + + Reference<XInterface> rInstance; + + if ( aName == "StarOffice.ServiceManager" ) + { + rInstance.set( m_rContext->getServiceManager() ); + } + else if ( aName == "StarOffice.ComponentContext" ) + { + rInstance = m_rContext; + } + else if ( aName == "StarOffice.NamingService" ) + { + Reference< XNamingService > rNamingService( + m_rContext->getServiceManager()->createInstanceWithContext("com.sun.star.uno.NamingService", m_rContext), + UNO_QUERY ); + if ( rNamingService.is() ) + { + rNamingService->registerObject( "StarOffice.ServiceManager", m_rContext->getServiceManager() ); + rNamingService->registerObject( "StarOffice.ComponentContext", m_rContext ); + rInstance = rNamingService; + } + } + return rInstance; +} + +} + +// component management stuff... + +extern "C" +{ +using namespace desktop; + +SAL_DLLPUBLIC_EXPORT void * offacc_component_getFactory(char const *pImplementationName, void *pServiceManager, void *) +{ + void* pReturn = nullptr ; + if ( pImplementationName && pServiceManager ) + { + // Define variables which are used in following macros. + Reference< XSingleServiceFactory > xFactory; + Reference< XMultiServiceFactory > xServiceManager( + static_cast< XMultiServiceFactory* >(pServiceManager)); + + if (desktop::Acceptor::impl_getImplementationName().equalsAscii( pImplementationName ) ) + { + xFactory.set( cppu::createSingleFactory( + xServiceManager, desktop::Acceptor::impl_getImplementationName(), + desktop::Acceptor::impl_getInstance, desktop::Acceptor::impl_getSupportedServiceNames()) ); + } + + // Factory is valid - service was found. + if ( xFactory.is() ) + { + xFactory->acquire(); + pReturn = xFactory.get(); + } + } + + // Return with result of this operation. + return pReturn ; +} + +} // extern "C" + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |