timebasedrollingpolicy.h

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/*
 * 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.
 */
 
 
#if !defined(_LOG4CXX_ROLLING_TIME_BASED_ROLLING_POLICY_H)
#define _LOG4CXX_ROLLING_TIME_BASED_ROLLING_POLICY_H
 
#include <log4cxx/rolling/rollingpolicybase.h>
#include <log4cxx/rolling/triggeringpolicy.h>
#include <log4cxx/writerappender.h>
#include <log4cxx/helpers/outputstream.h>
#include <functional>
 
namespace log4cxx
{
 
namespace rolling
{
 
 
 
class LOG4CXX_EXPORT TimeBasedRollingPolicy : public virtual RollingPolicyBase,
    public virtual TriggeringPolicy
{
        DECLARE_LOG4CXX_OBJECT(TimeBasedRollingPolicy)
        BEGIN_LOG4CXX_CAST_MAP()
        LOG4CXX_CAST_ENTRY(TimeBasedRollingPolicy)
        LOG4CXX_CAST_ENTRY_CHAIN(RollingPolicyBase)
        LOG4CXX_CAST_ENTRY_CHAIN(TriggeringPolicy)
        END_LOG4CXX_CAST_MAP()
 
    private:
        LOG4CXX_DECLARE_PRIVATE_MEMBER_PTR(TimeBasedRollingPolicyPrivate, m_priv)
 
    public:
        TimeBasedRollingPolicy();
        virtual ~TimeBasedRollingPolicy();
        void activateOptions(helpers::Pool& ) override;
 
        void setMultiprocess(bool multiprocess);
 
        RolloverDescriptionPtr initialize(
            const   LogString&              currentActiveFile,
            const   bool                    append,
            helpers::Pool& pool) override;
 
        RolloverDescriptionPtr rollover(
            const   LogString&              currentActiveFile,
            const   bool                    append,
            helpers::Pool& pool) override;
 
        bool isTriggeringEvent(
            Appender* appender,
            const spi::LoggingEventPtr& event,
            const LogString& filename,
            size_t fileLength) override;
 
        void setOption(const LogString& option, const LogString& value) override;
 
    protected:
        log4cxx::pattern::PatternMap getFormatSpecifiers() const override;
 
    private:
 
        int createMMapFile(const std::string& lastfilename, log4cxx::helpers::Pool& pool);
 
        bool isMapFileEmpty(log4cxx::helpers::Pool& pool);
 
        void initMMapFile(const LogString& lastFileName, log4cxx::helpers::Pool& pool);
 
        int lockMMapFile(int type);
 
        int unLockMMapFile();
 
        const std::string createFile(const std::string& filename, const std::string& suffix, log4cxx::helpers::Pool& pool);
 
};
 
LOG4CXX_PTR_DEF(TimeBasedRollingPolicy);
 
}
}
 
#endif