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, 283 insertions, 0 deletions

diff --git a/extensions/source/logging/loggerconfig.cxx b/extensions/source/logging/loggerconfig.cxx
new file mode 100644
index 000000000..25ef76e02
--- /dev/null
+++ b/extensions/source/logging/loggerconfig.cxx
@@ -0,0 +1,283 @@
+/* -*- 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 "loggerconfig.hxx"
+#include <stdio.h>
+#include <string_view>
+
+#include <com/sun/star/configuration/theDefaultProvider.hpp>
+#include <com/sun/star/lang/XMultiServiceFactory.hpp>
+#include <com/sun/star/container/XNameContainer.hpp>
+#include <com/sun/star/lang/XSingleServiceFactory.hpp>
+#include <com/sun/star/util/XChangesBatch.hpp>
+#include <com/sun/star/logging/LogLevel.hpp>
+#include <com/sun/star/lang/NullPointerException.hpp>
+#include <com/sun/star/lang/ServiceNotRegisteredException.hpp>
+#include <com/sun/star/beans/NamedValue.hpp>
+#include <com/sun/star/logging/XLogHandler.hpp>
+#include <com/sun/star/logging/XLogFormatter.hpp>
+
+#include <tools/diagnose_ex.h>
+#include <osl/process.h>
+
+#include <cppuhelper/component_context.hxx>
+
+
+namespace logging
+{
+
+
+    using ::com::sun::star::uno::Reference;
+    using ::com::sun::star::logging::XLogger;
+    using ::com::sun::star::lang::XMultiServiceFactory;
+    using ::com::sun::star::uno::Sequence;
+    using ::com::sun::star::uno::Any;
+    using ::com::sun::star::container::XNameContainer;
+    using ::com::sun::star::uno::UNO_QUERY_THROW;
+    using ::com::sun::star::lang::XSingleServiceFactory;
+    using ::com::sun::star::uno::XInterface;
+    using ::com::sun::star::util::XChangesBatch;
+    using ::com::sun::star::lang::NullPointerException;
+    using ::com::sun::star::uno::Exception;
+    using ::com::sun::star::lang::ServiceNotRegisteredException;
+    using ::com::sun::star::beans::NamedValue;
+    using ::com::sun::star::logging::XLogHandler;
+    using ::com::sun::star::logging::XLogFormatter;
+    using ::com::sun::star::container::XNameAccess;
+    using ::com::sun::star::uno::XComponentContext;
+
+    namespace LogLevel = ::com::sun::star::logging::LogLevel;
+
+    namespace
+    {
+
+        typedef void (*SettingTranslation)( const Reference< XLogger >&, const OUString&, Any& );
+
+
+        void    lcl_substituteFileHandlerURLVariables_nothrow( const Reference< XLogger >& _rxLogger, OUString& _inout_rFileURL )
+        {
+            struct Variable
+            {
+                std::u16string_view pVariablePattern;
+                OUString sVariableValue;
+            };
+
+            OUString sLoggerName;
+            try { sLoggerName = _rxLogger->getName(); }
+            catch( const Exception& ) { DBG_UNHANDLED_EXCEPTION("extensions.logging"); }
+
+            TimeValue aTimeValue;
+            oslDateTime aDateTime;
+            OSL_VERIFY( osl_getSystemTime( &aTimeValue ) );
+            OSL_VERIFY( osl_getDateTimeFromTimeValue( &aTimeValue, &aDateTime ) );
+
+            char buffer[ 30 ];
+            const size_t buffer_size = sizeof( buffer );
+
+            snprintf( buffer, buffer_size, "%04i-%02i-%02i",
+                      static_cast<int>(aDateTime.Year),
+                      static_cast<int>(aDateTime.Month),
+                      static_cast<int>(aDateTime.Day) );
+            OUString sDate = OUString::createFromAscii( buffer );
+
+            snprintf( buffer, buffer_size, "%02i-%02i-%02i.%03i",
+                static_cast<int>(aDateTime.Hours),
+                static_cast<int>(aDateTime.Minutes),
+                static_cast<int>(aDateTime.Seconds),
+                ::sal::static_int_cast< sal_Int16 >( aDateTime.NanoSeconds / 10000000 ) );
+            OUString sTime = OUString::createFromAscii( buffer );
+
+            OUString sDateTime = sDate + "." + sTime;
+
+            oslProcessIdentifier aProcessId = 0;
+            oslProcessInfo info;
+            info.Size = sizeof (oslProcessInfo);
+            if ( osl_getProcessInfo ( nullptr, osl_Process_IDENTIFIER, &info ) == osl_Process_E_None)
+                aProcessId = info.Ident;
+            OUString aPID = OUString::number( aProcessId );
+
+            Variable const aVariables[] =
+            {
+                {std::u16string_view(u"$(loggername)"), sLoggerName},
+                {std::u16string_view(u"$(date)"), sDate},
+                {std::u16string_view(u"$(time)"), sTime},
+                {std::u16string_view(u"$(datetime)"), sDateTime},
+                {std::u16string_view(u"$(pid)"), aPID}
+            };
+
+            for (Variable const & aVariable : aVariables)
+            {
+                sal_Int32 nVariableIndex = _inout_rFileURL.indexOf( aVariable.pVariablePattern );
+                if  (nVariableIndex >= 0)
+                {
+                    _inout_rFileURL = _inout_rFileURL.replaceAt( nVariableIndex, aVariable.pVariablePattern.size(), aVariable.sVariableValue );
+                }
+            }
+        }
+
+
+        void    lcl_transformFileHandlerSettings_nothrow( const Reference< XLogger >& _rxLogger, const OUString& _rSettingName, Any& _inout_rSettingValue )
+        {
+            if ( _rSettingName != "FileURL" )
+                // not interested in this setting
+                return;
+
+            OUString sURL;
+            OSL_VERIFY( _inout_rSettingValue >>= sURL );
+            lcl_substituteFileHandlerURLVariables_nothrow( _rxLogger, sURL );
+            _inout_rSettingValue <<= sURL;
+        }
+
+
+        Reference< XInterface > lcl_createInstanceFromSetting_throw(
+                const Reference<XComponentContext>& _rContext,
+                const Reference< XLogger >& _rxLogger,
+                const Reference< XNameAccess >& _rxLoggerSettings,
+                const char* _pServiceNameAsciiNodeName,
+                const char* _pServiceSettingsAsciiNodeName,
+                SettingTranslation _pSettingTranslation = nullptr
+            )
+        {
+            Reference< XInterface > xInstance;
+
+            // read the settings for the to-be-created service
+            Reference< XNameAccess > xServiceSettingsNode( _rxLoggerSettings->getByName(
+                OUString::createFromAscii( _pServiceSettingsAsciiNodeName ) ), UNO_QUERY_THROW );
+
+            Sequence< OUString > aSettingNames( xServiceSettingsNode->getElementNames() );
+            size_t nServiceSettingCount( aSettingNames.getLength() );
+            Sequence< NamedValue > aSettings( nServiceSettingCount );
+            if ( nServiceSettingCount )
+            {
+                const OUString* pSettingNames = aSettingNames.getConstArray();
+                const OUString* pSettingNamesEnd = aSettingNames.getConstArray() + aSettingNames.getLength();
+                NamedValue* pSetting = aSettings.getArray();
+
+                for (   ;
+                        pSettingNames != pSettingNamesEnd;
+                        ++pSettingNames, ++pSetting
+                    )
+                {
+                    pSetting->Name = *pSettingNames;
+                    pSetting->Value = xServiceSettingsNode->getByName( *pSettingNames );
+
+                    if ( _pSettingTranslation )
+                        _pSettingTranslation( _rxLogger, pSetting->Name, pSetting->Value );
+                }
+            }
+
+            OUString sServiceName;
+            _rxLoggerSettings->getByName( OUString::createFromAscii( _pServiceNameAsciiNodeName ) ) >>= sServiceName;
+            if ( !sServiceName.isEmpty() )
+            {
+                bool bSuccess = false;
+                if ( aSettings.hasElements() )
+                {
+                    Sequence< Any > aConstructionArgs{ Any(aSettings) };
+                    xInstance = _rContext->getServiceManager()->createInstanceWithArgumentsAndContext(sServiceName, aConstructionArgs, _rContext);
+                    bSuccess = xInstance.is();
+                }
+                else
+                {
+                    xInstance = _rContext->getServiceManager()->createInstanceWithContext(sServiceName, _rContext);
+                    bSuccess = xInstance.is();
+                }
+
+                if ( !bSuccess )
+                    throw ServiceNotRegisteredException( sServiceName );
+            }
+
+            return xInstance;
+        }
+    }
+
+
+    void initializeLoggerFromConfiguration( const Reference<XComponentContext>& _rContext, const Reference< XLogger >& _rxLogger )
+    {
+        try
+        {
+            if ( !_rxLogger.is() )
+                throw NullPointerException();
+
+            Reference< XMultiServiceFactory > xConfigProvider(
+                css::configuration::theDefaultProvider::get(_rContext));
+
+            // write access to the "Settings" node (which includes settings for all loggers)
+            Sequence<Any> aArguments{ Any(NamedValue(
+                "nodepath", Any(OUString("/org.openoffice.Office.Logging/Settings")))) };
+            Reference< XNameContainer > xAllSettings( xConfigProvider->createInstanceWithArguments(
+                "com.sun.star.configuration.ConfigurationUpdateAccess",
+                aArguments
+            ), UNO_QUERY_THROW );
+
+            OUString sLoggerName( _rxLogger->getName() );
+            if ( !xAllSettings->hasByName( sLoggerName ) )
+            {
+                // no node yet for this logger. Create default settings.
+                Reference< XSingleServiceFactory > xNodeFactory( xAllSettings, UNO_QUERY_THROW );
+                Reference< XInterface > xLoggerSettings( xNodeFactory->createInstance(), css::uno::UNO_SET_THROW );
+                xAllSettings->insertByName( sLoggerName, Any( xLoggerSettings ) );
+                Reference< XChangesBatch > xChanges( xAllSettings, UNO_QUERY_THROW );
+                xChanges->commitChanges();
+            }
+
+            // actually read and forward the settings
+            Reference< XNameAccess > xLoggerSettings( xAllSettings->getByName( sLoggerName ), UNO_QUERY_THROW );
+
+            // the log level
+            sal_Int32 nLogLevel( LogLevel::OFF );
+            OSL_VERIFY( xLoggerSettings->getByName("LogLevel") >>= nLogLevel );
+            _rxLogger->setLevel( nLogLevel );
+
+            // the default handler, if any
+            Reference< XInterface > xUntyped( lcl_createInstanceFromSetting_throw( _rContext, _rxLogger, xLoggerSettings, "DefaultHandler", "HandlerSettings", &lcl_transformFileHandlerSettings_nothrow ) );
+            if ( !xUntyped.is() )
+                // no handler -> we're done
+                return;
+            Reference< XLogHandler > xHandler( xUntyped, UNO_QUERY_THROW );
+            _rxLogger->addLogHandler( xHandler );
+
+            // The newly created handler might have an own (default) level. Ensure that it uses
+            // the same level as the logger.
+            xHandler->setLevel( nLogLevel );
+
+            // the default formatter for the handler
+            xUntyped = lcl_createInstanceFromSetting_throw( _rContext, _rxLogger, xLoggerSettings, "DefaultFormatter", "FormatterSettings" );
+            if ( !xUntyped.is() )
+                // no formatter -> we're done
+                return;
+            Reference< XLogFormatter > xFormatter( xUntyped, UNO_QUERY_THROW );
+            xHandler->setFormatter( xFormatter );
+
+            // TODO: we could first create the formatter, then the handler. This would allow
+            // passing the formatter as value in the component context, so the handler would
+            // not create an own default formatter
+        }
+        catch( const Exception& )
+        {
+            DBG_UNHANDLED_EXCEPTION("extensions.logging");
+        }
+    }
+
+
+} // namespace logging
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */