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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 "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 <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
+
+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(new logging::LoggerPool(context));
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */