filewatchdog.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.
 */
 
#ifndef _LOG4CXX_HELPERS_FILEWATCHDOG_H
#define _LOG4CXX_HELPERS_FILEWATCHDOG_H
 
#include <log4cxx/logstring.h>
#include <time.h>
#include <log4cxx/helpers/pool.h>
#include <log4cxx/file.h>
 
namespace LOG4CXX_NS
{
namespace helpers
{
 
class LOG4CXX_EXPORT FileWatchdog
{
    public:
        virtual ~FileWatchdog();
        static long DEFAULT_DELAY /*= 60000 ms*/;
 
    protected:
        FileWatchdog(const File& filename);
        virtual void doOnChange() = 0;
        void checkAndConfigure();
        const File& file();
 
    public:
        void setDelay(long delay);
 
        void start();
 
        void stop();
 
        bool is_active();
 
        static void stopAll();
    private:
 
        FileWatchdog(const FileWatchdog&);
        FileWatchdog& operator=(const FileWatchdog&);
 
        LOG4CXX_DECLARE_PRIVATE_MEMBER_PTR(FileWatchdogPrivate, m_priv)
};
}  // namespace helpers
} // namespace log4cxx
 
 
#endif // _LOG4CXX_HELPERS_FILEWATCHDOG_H