75 lines
1.8 KiB
C++
75 lines
1.8 KiB
C++
/*
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* Copyright 2003,2004 The Apache Software Foundation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _LOG4CXX_HELPERS_FILEWATCHDOG_H
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#define _LOG4CXX_HELPERS_FILEWATCHDOG_H
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#include <log4cxx/helpers/tchar.h>
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#include <log4cxx/helpers/thread.h>
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#include <time.h>
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namespace log4cxx
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{
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namespace helpers
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{
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/**
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Check every now and then that a certain file has not changed. If it
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has, then call the #doOnChange method.
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*/
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class LOG4CXX_EXPORT FileWatchdog : public Thread
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{
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public:
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/**
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The default delay between every file modification check, set to 60
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seconds. */
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static long DEFAULT_DELAY /*= 60000*/;
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protected:
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/**
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The name of the file to observe for changes.
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*/
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String filename;
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/**
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The delay to observe between every check.
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By default set DEFAULT_DELAY.*/
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long delay;
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time_t lastModif;
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bool warnedAlready;
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bool interrupted;
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protected:
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FileWatchdog(const String& filename);
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virtual void doOnChange() = 0;
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void checkAndConfigure();
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public:
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/**
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Set the delay to observe between each check of the file changes.
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*/
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void setDelay(long delay)
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{ this->delay = delay; }
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void run();
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void start();
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};
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} // namespace helpers
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}; // namespace log4cxx
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#endif // _LOG4CXX_HELPERS_FILEWATCHDOG_H
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