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, 247 insertions, 0 deletions

diff --git a/desktop/source/offacc/acceptor.cxx b/desktop/source/offacc/acceptor.cxx
new file mode 100644
index 000000000..66afe6c18
--- /dev/null
+++ b/desktop/source/offacc/acceptor.cxx
@@ -0,0 +1,247 @@
+/* -*- 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 <cppuhelper/supportsservice.hxx>
+#include <sal/log.hxx>
+#include <tools/diagnose_ex.h>
+#include <o3tl/string_view.hxx>
+
+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;
+    {
+        std::unique_lock 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):
+        std::unique_lock 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);
+            std::unique_lock 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
+    std::unique_lock 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 = o3tl::trim(m_aAcceptString.subView( 0 , nIndex1 ));
+        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::getImplementationName()
+{
+    return "com.sun.star.office.comp.Acceptor";
+}
+Sequence<OUString> Acceptor::getSupportedServiceNames()
+{
+    return { "com.sun.star.office.Acceptor" };
+}
+
+sal_Bool Acceptor::supportsService(OUString const & ServiceName)
+{
+    return cppu::supportsService(this, ServiceName);
+}
+
+
+// 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;
+}
+
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+desktop_Acceptor_get_implementation(
+    css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const&)
+{
+    return cppu::acquire(new desktop::Acceptor(context));
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */