Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

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

1 files changed, 285 insertions, 0 deletions

diff --git a/extensions/source/logging/logger.cxx b/extensions/source/logging/logger.cxx
new file mode 100644
index 000000000..1770ca377
--- /dev/null
+++ b/extensions/source/logging/logger.cxx
@@ -0,0 +1,285 @@
+/* -*- 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 "logrecord.hxx"
+#include "loggerconfig.hxx"
+
+#include <com/sun/star/logging/XLogger.hpp>
+#include <com/sun/star/logging/LogLevel.hpp>
+#include <com/sun/star/uno/XComponentContext.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/logging/XLoggerPool.hpp>
+
+#include <cppuhelper/basemutex.hxx>
+#include <comphelper/interfacecontainer2.hxx>
+#include <cppuhelper/implbase.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <cppuhelper/weakref.hxx>
+#include <rtl/ref.hxx>
+#include <map>
+
+
+namespace logging
+{
+
+    using ::com::sun::star::logging::XLogger;
+    using ::com::sun::star::uno::Reference;
+    using ::com::sun::star::uno::XComponentContext;
+    using ::com::sun::star::lang::XServiceInfo;
+    using ::com::sun::star::uno::Sequence;
+    using ::com::sun::star::uno::XInterface;
+    using ::com::sun::star::uno::WeakReference;
+    using ::com::sun::star::logging::XLogHandler;
+    using ::com::sun::star::logging::LogRecord;
+
+    namespace {
+
+    class EventLogger : public cppu::BaseMutex,
+                        public cppu::WeakImplHelper<css::logging::XLogger>
+    {
+    private:
+        comphelper::OInterfaceContainerHelper2     m_aHandlers;
+        oslInterlockedCount                 m_nEventNumber;
+
+        // <attributes>
+        sal_Int32       m_nLogLevel;
+        OUString m_sName;
+        // </attributes>
+
+    public:
+        EventLogger( const Reference< XComponentContext >& _rxContext, const OUString& _rName );
+
+        // XLogger
+        virtual OUString SAL_CALL getName() override;
+        virtual ::sal_Int32 SAL_CALL getLevel() override;
+        virtual void SAL_CALL setLevel( ::sal_Int32 _level ) override;
+        virtual void SAL_CALL addLogHandler( const Reference< XLogHandler >& LogHandler ) override;
+        virtual void SAL_CALL removeLogHandler( const Reference< XLogHandler >& LogHandler ) override;
+        virtual sal_Bool SAL_CALL isLoggable( ::sal_Int32 _nLevel ) override;
+        virtual void SAL_CALL log( ::sal_Int32 Level, const OUString& Message ) override;
+        virtual void SAL_CALL logp( ::sal_Int32 Level, const OUString& SourceClass, const OUString& SourceMethod, const OUString& Message ) override;
+
+    protected:
+        virtual ~EventLogger() override;
+
+    private:
+        /** logs the given log record
+        */
+        void    impl_ts_logEvent_nothrow( const LogRecord& _rRecord );
+
+        /** non-threadsafe impl-version of isLoggable
+        */
+        bool    impl_nts_isLoggable_nothrow( ::sal_Int32 _nLevel );
+    };
+
+    /** administrates a pool of XLogger instances, where a logger is keyed by its name,
+        and subsequent requests for a logger with the same name return the same instance.
+    */
+    class LoggerPool : public cppu::WeakImplHelper<css::logging::XLoggerPool, XServiceInfo>
+    {
+    private:
+        ::osl::Mutex                    m_aMutex;
+        Reference<XComponentContext>    m_xContext;
+        std::map< OUString, WeakReference<XLogger> > m_aLoggerMap;
+
+    public:
+        explicit LoggerPool( const Reference< XComponentContext >& _rxContext );
+
+        // XServiceInfo
+        virtual OUString SAL_CALL getImplementationName() override;
+        virtual sal_Bool SAL_CALL supportsService( const OUString& _rServiceName ) override;
+        virtual Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
+
+        // XLoggerPool
+        virtual Reference< XLogger > SAL_CALL getNamedLogger( const OUString& Name ) override;
+        virtual Reference< XLogger > SAL_CALL getDefaultLogger(  ) override;
+    };
+
+    }
+
+    EventLogger::EventLogger( const Reference< XComponentContext >& _rxContext, const OUString& _rName )
+        :m_aHandlers( m_aMutex )
+        ,m_nEventNumber( 0 )
+        ,m_nLogLevel( css::logging::LogLevel::OFF )
+        ,m_sName( _rName )
+    {
+        osl_atomic_increment( &m_refCount );
+        {
+            initializeLoggerFromConfiguration( _rxContext, this );
+        }
+        osl_atomic_decrement( &m_refCount );
+    }
+
+    EventLogger::~EventLogger()
+    {
+    }
+
+    bool EventLogger::impl_nts_isLoggable_nothrow( ::sal_Int32 _nLevel )
+    {
+        if ( _nLevel < m_nLogLevel )
+            return false;
+
+        if ( !m_aHandlers.getLength() )
+            return false;
+
+        return true;
+    }
+
+    void EventLogger::impl_ts_logEvent_nothrow( const LogRecord& _rRecord )
+    {
+        ::osl::MutexGuard aGuard( m_aMutex );
+
+        if ( !impl_nts_isLoggable_nothrow( _rRecord.Level ) )
+            return;
+
+        m_aHandlers.forEach< XLogHandler >(
+            [&_rRecord] (Reference<XLogHandler> const& rxListener) { rxListener->publish(_rRecord); } );
+        m_aHandlers.forEach< XLogHandler >(
+            [] (Reference<XLogHandler> const& rxListener) { rxListener->flush(); } );
+    }
+
+    OUString SAL_CALL EventLogger::getName()
+    {
+        return m_sName;
+    }
+
+    ::sal_Int32 SAL_CALL EventLogger::getLevel()
+    {
+        ::osl::MutexGuard aGuard( m_aMutex );
+        return m_nLogLevel;
+    }
+
+    void SAL_CALL EventLogger::setLevel( ::sal_Int32 _level )
+    {
+        ::osl::MutexGuard aGuard( m_aMutex );
+        m_nLogLevel = _level;
+    }
+
+    void SAL_CALL EventLogger::addLogHandler( const Reference< XLogHandler >& _rxLogHandler )
+    {
+        if ( _rxLogHandler.is() )
+            m_aHandlers.addInterface( _rxLogHandler );
+    }
+
+    void SAL_CALL EventLogger::removeLogHandler( const Reference< XLogHandler >& _rxLogHandler )
+    {
+        if ( _rxLogHandler.is() )
+            m_aHandlers.removeInterface( _rxLogHandler );
+    }
+
+    sal_Bool SAL_CALL EventLogger::isLoggable( ::sal_Int32 _nLevel )
+    {
+        ::osl::MutexGuard aGuard( m_aMutex );
+        return impl_nts_isLoggable_nothrow( _nLevel );
+    }
+
+    void SAL_CALL EventLogger::log( ::sal_Int32 _nLevel, const OUString& _rMessage )
+    {
+        impl_ts_logEvent_nothrow( createLogRecord(
+            m_sName,
+            _rMessage,
+            _nLevel,
+            osl_atomic_increment( &m_nEventNumber )
+        ) );
+    }
+
+    void SAL_CALL EventLogger::logp( ::sal_Int32 _nLevel, const OUString& _rSourceClass, const OUString& _rSourceMethod, const OUString& _rMessage )
+    {
+        impl_ts_logEvent_nothrow( createLogRecord(
+            m_sName,
+            _rSourceClass,
+            _rSourceMethod,
+            _rMessage,
+            _nLevel,
+            osl_atomic_increment( &m_nEventNumber )
+        ) );
+    }
+
+    LoggerPool::LoggerPool( const Reference< XComponentContext >& _rxContext )
+        :m_xContext( _rxContext )
+    {
+    }
+
+    OUString SAL_CALL LoggerPool::getImplementationName()
+    {
+        return "com.sun.star.comp.extensions.LoggerPool";
+    }
+
+    sal_Bool SAL_CALL LoggerPool::supportsService( const OUString& _rServiceName )
+    {
+        return cppu::supportsService(this, _rServiceName);
+    }
+
+    Sequence< OUString > SAL_CALL LoggerPool::getSupportedServiceNames()
+    {
+        return { "com.sun.star.logging.LoggerPool" };
+    }
+
+    Reference< XLogger > SAL_CALL LoggerPool::getNamedLogger( const OUString& _rName )
+    {
+        ::osl::MutexGuard aGuard( m_aMutex );
+
+        WeakReference< XLogger >& rLogger( m_aLoggerMap[ _rName ] );
+        Reference< XLogger > xLogger( rLogger );
+        if ( !xLogger.is() )
+        {
+            // never requested before, or already dead
+            xLogger = new EventLogger( m_xContext, _rName );
+            rLogger = xLogger;
+        }
+
+        return xLogger;
+    }
+
+    Reference< XLogger > SAL_CALL LoggerPool::getDefaultLogger(  )
+    {
+        return getNamedLogger( "org.openoffice.logging.DefaultLogger" );
+    }
+
+} // namespace logging
+
+namespace {
+
+struct Instance {
+    explicit Instance(
+        css::uno::Reference<css::uno::XComponentContext> const & context):
+        instance(static_cast<cppu::OWeakObject *>(new logging::LoggerPool(context)))
+    {}
+
+    rtl::Reference<css::uno::XInterface> instance;
+};
+
+struct Singleton:
+    public rtl::StaticWithArg<
+        Instance, css::uno::Reference<css::uno::XComponentContext>, Singleton>
+{};
+
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface *
+com_sun_star_comp_extensions_LoggerPool(
+    css::uno::XComponentContext *context,
+    css::uno::Sequence<css::uno::Any> const &)
+{
+    return cppu::acquire(static_cast<cppu::OWeakObject *>(
+                Singleton::get(context).instance.get()));
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */