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Diffstat (limited to 'ext/Log4Qt/src/appenderskeleton.cpp')
| -rw-r--r-- | ext/Log4Qt/src/appenderskeleton.cpp | 269 |
1 files changed, 0 insertions, 269 deletions
diff --git a/ext/Log4Qt/src/appenderskeleton.cpp b/ext/Log4Qt/src/appenderskeleton.cpp deleted file mode 100644 index 78be62c..0000000 --- a/ext/Log4Qt/src/appenderskeleton.cpp +++ /dev/null @@ -1,269 +0,0 @@ -/****************************************************************************** - * - * package: - * file: appenderskeleton.cpp - * created: September 2007 - * author: Martin Heinrich - * - * - * Copyright 2007 Martin Heinrich - * - * Licensed 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 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * - ******************************************************************************/ - - - -/****************************************************************************** - * Dependencies - ******************************************************************************/ - - -#include "appenderskeleton.h" - -#include <QtCore/QDebug> -#include "layout.h" -#include "loggingevent.h" -#include "logmanager.h" -#include "spi/filter.h" - - -namespace Log4Qt -{ - - - /************************************************************************** - * Declarations - ***************************************************************************/ - - - /*! - * \brief The class RecursionGuardLocker controls a boolean flag. - * - * It is a helper class to control a boolean flag. The class sets the flag - * on creation and resets it on destruction. - */ - class RecursionGuardLocker - { - public: - RecursionGuardLocker(bool *pGuard); - ~RecursionGuardLocker(); - private: - RecursionGuardLocker(const RecursionGuardLocker &rOther); // Not implemented - RecursionGuardLocker &operator=(const RecursionGuardLocker &rOther); // Not implemented - private: - bool *mpGuard; - }; - - - - /************************************************************************** - * C helper functions - **************************************************************************/ - - - - /************************************************************************** - * Class implementation: RecursionGuardLocker - ***************************************************************************/ - - - inline RecursionGuardLocker::RecursionGuardLocker(bool *pGuard) - { - Q_ASSERT_X(pGuard != 0, "RecursionGuardLocker::RecursionGuardLocker()", "Pointer to guard bool must not be null"); - - mpGuard = pGuard; - *mpGuard = true; - } - - - inline RecursionGuardLocker::~RecursionGuardLocker() - { - *mpGuard = false; - } - - - /************************************************************************** - * Class implementation: AppenderSkeleton - **************************************************************************/ - - - AppenderSkeleton::AppenderSkeleton(QObject *pParent) : - Appender(pParent), - mObjectGuard(QMutex::Recursive), // Recursive for doAppend() - mAppendRecursionGuard(false), - mIsActive(true), - mIsClosed(false), - mpLayout(0), - mThreshold(Level::NULL_INT), - mpHeadFilter(0), - mpTailFilter(0) - { - } - - - AppenderSkeleton::AppenderSkeleton(const bool isActive, - QObject *pParent) : - Appender(pParent), - mObjectGuard(QMutex::Recursive), // Recursive for doAppend() - mAppendRecursionGuard(false), - mIsActive(isActive), - mIsClosed(false), - mpLayout(0), - mThreshold(Level::NULL_INT), - mpHeadFilter(0), - mpTailFilter(0) - { - } - - - void AppenderSkeleton::activateOptions() - { - QMutexLocker locker(&mObjectGuard); - - if (requiresLayout() && !layout()) - { - LogError e = LOG4QT_QCLASS_ERROR(QT_TR_NOOP("Activation of appender '%1' that requires layout and has no layout set"), - APPENDER_ACTIVATE_MISSING_LAYOUT_ERROR); - e << name(); - logger()->error(e); - return; - } - mIsActive = true; - } - - - void AppenderSkeleton::addFilter(Filter *pFilter) - { - if(!pFilter) - { - logger()->warn("Adding null Filter to Appender '%1'", name()); - return; - } - - QMutexLocker locker(&mObjectGuard); - - mpTailFilter = pFilter; - if (mpHeadFilter) - mpHeadFilter->setNext(pFilter); - else - mpHeadFilter = pFilter; - } - - - void AppenderSkeleton::clearFilters() - { - QMutexLocker locker(&mObjectGuard); - - mpTailFilter = 0; - mpHeadFilter = 0; - } - - - void AppenderSkeleton::close() - { - QMutexLocker locker(&mObjectGuard); - - mIsClosed = true; - mIsActive = false; - } - - void AppenderSkeleton::customEvent(QEvent* event) - { - if (event->type() == LoggingEvent::eventId) { - LoggingEvent *logEvent = static_cast<LoggingEvent*>(event); - doAppend(*logEvent); - return ; - } - QObject::customEvent(event); - } - - void AppenderSkeleton::doAppend(const LoggingEvent &rEvent) - { - // The mutex serialises concurrent access from multiple threads. - // - e.g. two threads using the same logger - // - e.g. two threads using different logger with the same appender - // - // A call from the same thread will pass the mutex (QMutex::Recursive) - // and get to the recursion guard. The recursion guard blocks recursive - // invocation and prevents a possible endless loop. - // - e.g. an appender logs an error with a logger that uses it - - QMutexLocker locker(&mObjectGuard); - - if (mAppendRecursionGuard) - return; - - RecursionGuardLocker recursion_locker(&mAppendRecursionGuard); - - if (!checkEntryConditions()) - return; - if (!isAsSevereAsThreshold(rEvent.level())) - return; - - Filter *p_filter = mpHeadFilter; - while(p_filter) - { - Filter::Decision decision = p_filter->decide(rEvent); - if (decision == Filter::ACCEPT) - break; - else if (decision == Filter::DENY) - return; - else - p_filter = p_filter->next(); - } - - append(rEvent); - } - - - bool AppenderSkeleton::checkEntryConditions() const - { - // Q_ASSERT_X(, "WriterAppender::checkEntryConditions()", "Lock must be held by caller") - - if (!isActive()) - { - LogError e = LOG4QT_QCLASS_ERROR(QT_TR_NOOP("Use of non activated appender '%1'"), - APPENDER_NOT_ACTIVATED_ERROR); - e << name(); - logger()->error(e); - return false; - } - if (isClosed()) - { - LogError e = LOG4QT_QCLASS_ERROR(QT_TR_NOOP("Use of closed appender '%1'"), - APPENDER_CLOSED_ERROR); - e << name(); - logger()->error(e); - return false; - } - if (requiresLayout() && !layout()) - { - LogError e = LOG4QT_QCLASS_ERROR(QT_TR_NOOP("Use of appender '%1' that requires layout and has no layout set"), - APPENDER_USE_MISSING_LAYOUT_ERROR); - e << name(); - logger()->error(e); - return false; - } - - return true; - } - - - - /************************************************************************** - * Implementation: Operators, Helper - **************************************************************************/ - - -} // namespace Log4Qt |