| /* |
| * 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 |
| * |
| * 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. |
| */ |
| #include <log4cxx/logstring.h> |
| #include <log4cxx/helpers/appenderattachableimpl.h> |
| #include <log4cxx/appender.h> |
| #include <log4cxx/spi/loggingevent.h> |
| #include <algorithm> |
| #include <log4cxx/helpers/pool.h> |
| #include <mutex> |
| |
| using namespace log4cxx; |
| using namespace log4cxx::helpers; |
| using namespace log4cxx::spi; |
| |
| IMPLEMENT_LOG4CXX_OBJECT(AppenderAttachableImpl) |
| |
| struct AppenderAttachableImpl::priv_data |
| { |
| /** Array of appenders. */ |
| AppenderList appenderList; |
| mutable std::recursive_mutex m_mutex; |
| }; |
| |
| |
| AppenderAttachableImpl::AppenderAttachableImpl(Pool& pool) : |
| m_priv(std::make_unique<AppenderAttachableImpl::priv_data>()) |
| { |
| } |
| |
| AppenderAttachableImpl::~AppenderAttachableImpl() |
| { |
| |
| } |
| |
| void AppenderAttachableImpl::addAppender(const AppenderPtr newAppender) |
| { |
| // Null values for newAppender parameter are strictly forbidden. |
| if (newAppender == 0) |
| { |
| return; |
| } |
| |
| std::lock_guard<std::recursive_mutex> lock( m_priv->m_mutex ); |
| AppenderList::iterator it = std::find( |
| m_priv->appenderList.begin(), m_priv->appenderList.end(), newAppender); |
| |
| if (it == m_priv->appenderList.end()) |
| { |
| m_priv->appenderList.push_back(newAppender); |
| } |
| } |
| |
| int AppenderAttachableImpl::appendLoopOnAppenders( |
| const spi::LoggingEventPtr& event, |
| Pool& p) |
| { |
| int numberAppended = 0; |
| std::lock_guard<std::recursive_mutex> lock( m_priv->m_mutex ); |
| // FallbackErrorHandler::error() may modify our list of appenders |
| // while we are iterating over them (if it holds the same logger). |
| // So, make a local copy of the appenders that we want to iterate over |
| // before actually iterating over them. |
| AppenderList allAppenders = m_priv->appenderList; |
| for (auto appender : allAppenders) |
| { |
| appender->doAppend(event, p); |
| numberAppended++; |
| } |
| |
| return numberAppended; |
| } |
| |
| AppenderList AppenderAttachableImpl::getAllAppenders() const |
| { |
| std::lock_guard<std::recursive_mutex> lock( m_priv->m_mutex ); |
| return m_priv->appenderList; |
| } |
| |
| AppenderPtr AppenderAttachableImpl::getAppender(const LogString& name) const |
| { |
| if (name.empty()) |
| { |
| return 0; |
| } |
| |
| std::lock_guard<std::recursive_mutex> lock( m_priv->m_mutex ); |
| AppenderList::const_iterator it, itEnd = m_priv->appenderList.end(); |
| AppenderPtr appender; |
| |
| for (it = m_priv->appenderList.begin(); it != itEnd; it++) |
| { |
| appender = *it; |
| |
| if (name == appender->getName()) |
| { |
| return appender; |
| } |
| } |
| |
| return 0; |
| } |
| |
| bool AppenderAttachableImpl::isAttached(const AppenderPtr appender) const |
| { |
| if (appender == 0) |
| { |
| return false; |
| } |
| |
| std::lock_guard<std::recursive_mutex> lock( m_priv->m_mutex ); |
| AppenderList::const_iterator it = std::find( |
| m_priv->appenderList.begin(), m_priv->appenderList.end(), appender); |
| |
| return it != m_priv->appenderList.end(); |
| } |
| |
| void AppenderAttachableImpl::removeAllAppenders() |
| { |
| std::lock_guard<std::recursive_mutex> lock( m_priv->m_mutex ); |
| AppenderList::iterator it, itEnd = m_priv->appenderList.end(); |
| AppenderPtr a; |
| |
| for (it = m_priv->appenderList.begin(); it != itEnd; it++) |
| { |
| a = *it; |
| a->close(); |
| } |
| |
| m_priv->appenderList.clear(); |
| } |
| |
| void AppenderAttachableImpl::removeAppender(const AppenderPtr appender) |
| { |
| if (appender == 0) |
| { |
| return; |
| } |
| |
| std::lock_guard<std::recursive_mutex> lock( m_priv->m_mutex ); |
| AppenderList::iterator it = std::find( |
| m_priv->appenderList.begin(), m_priv->appenderList.end(), appender); |
| |
| if (it != m_priv->appenderList.end()) |
| { |
| m_priv->appenderList.erase(it); |
| } |
| } |
| |
| void AppenderAttachableImpl::removeAppender(const LogString& name) |
| { |
| if (name.empty()) |
| { |
| return; |
| } |
| |
| std::lock_guard<std::recursive_mutex> lock( m_priv->m_mutex ); |
| AppenderList::iterator it, itEnd = m_priv->appenderList.end(); |
| AppenderPtr appender; |
| |
| for (it = m_priv->appenderList.begin(); it != itEnd; it++) |
| { |
| appender = *it; |
| |
| if (name == appender->getName()) |
| { |
| m_priv->appenderList.erase(it); |
| return; |
| } |
| } |
| } |
| |
| |