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VerboseWriterFileLogging.hpp
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VerboseWriterFileLogging.hpp
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/*******************************************************************************
* Copyright (c) 1991, 2020 IBM Corp. and others
*
* This program and the accompanying materials are made available under
* the terms of the Eclipse Public License 2.0 which accompanies this
* distribution and is available at https://www.eclipse.org/legal/epl-2.0/
* or the Apache License, Version 2.0 which accompanies this distribution and
* is available at https://www.apache.org/licenses/LICENSE-2.0.
*
* This Source Code may also be made available under the following
* Secondary Licenses when the conditions for such availability set
* forth in the Eclipse Public License, v. 2.0 are satisfied: GNU
* General Public License, version 2 with the GNU Classpath
* Exception [1] and GNU General Public License, version 2 with the
* OpenJDK Assembly Exception [2].
*
* [1] https://www.gnu.org/software/classpath/license.html
* [2] http://openjdk.java.net/legal/assembly-exception.html
*
* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 OR LicenseRef-GPL-2.0 WITH Assembly-exception
*******************************************************************************/
#if !defined(VERBOSEWRITERFILELOGGING_HPP_)
#define VERBOSEWRITERFILELOGGING_HPP_
#include "omrcfg.h"
#include "VerboseWriter.hpp"
class MM_VerboseManager;
/**
* Ouptut agent which directs verbosegc output to file.
*/
class MM_VerboseWriterFileLogging : public MM_VerboseWriter
{
/*
* Data members
*/
public:
protected:
char *_filename; /**< the filename template supplied from the command line */
uintptr_t _numFiles; /**< number of files to rotate through */
uintptr_t _numCycles; /**< number of cycles in each file */
uintptr_t _mode; /**< rotation mode -- single_file or rotating_files */
uintptr_t _currentFile; /**< zero-based index of current rotating file */
uintptr_t _currentCycle; /**< current GC cycle within this file */
J9StringTokens *_tokens; /**< tokens used during filename expansion */
MM_VerboseManager *_manager; /**< Verbose manager */
private:
/*
* Function members
*/
public:
virtual bool reconfigure(MM_EnvironmentBase *env, const char* filename, uintptr_t fileCount, uintptr_t iterations);
void closeStream(MM_EnvironmentBase *env);
virtual void endOfCycle(MM_EnvironmentBase *env);
virtual void outputString(MM_EnvironmentBase *env, const char* string) = 0;
protected:
MM_VerboseWriterFileLogging(MM_EnvironmentBase *env, MM_VerboseManager *manager, WriterType type);
virtual bool initialize(MM_EnvironmentBase *env, const char *filename, uintptr_t numFiles, uintptr_t numCycles);
virtual void tearDown(MM_EnvironmentBase *env);
virtual bool openFile(MM_EnvironmentBase *env, bool printInitializedHeader = false) = 0;
virtual void closeFile(MM_EnvironmentBase *env) = 0;
intptr_t findInitialFile(MM_EnvironmentBase *env);
bool initializeFilename(MM_EnvironmentBase *env, const char *filename);
bool initializeTokens(MM_EnvironmentBase *env);
char* expandFilename(MM_EnvironmentBase *env, uintptr_t currentFile);
private:
};
#endif /* VERBOSEWRITERFILELOGGING_HPP_ */