/*

 * Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 *

 */

#ifndef SHARE_JFR_RECORDER_STACKTRACE_JFRSTACKTRACEREPOSITORY_HPP

#define SHARE_JFR_RECORDER_STACKTRACE_JFRSTACKTRACEREPOSITORY_HPP

#include "jfr/recorder/stacktrace/jfrStackTrace.hpp"

#include "jfr/utilities/jfrAllocation.hpp"

#include "jfr/utilities/jfrTypes.hpp"

class JavaThread;

class JfrCheckpointWriter;

class JfrChunkWriter;

class JfrStackTraceRepository : public JfrCHeapObj {

  friend class JfrRecorder;

  friend class JfrRecorderService;

  friend class JfrThreadSampleClosure;

  friend class ObjectSampleCheckpoint;

  friend class ObjectSampler;

  friend class StackTraceBlobInstaller;

 private:

  static const u4 TABLE_SIZE = 2053;

  JfrStackTrace* _table[TABLE_SIZE];

  traceid _next_id;

  u4 _entries;

  JfrStackTraceRepository();

  static JfrStackTraceRepository& instance();

  static JfrStackTraceRepository* create();

  bool initialize();

  size_t write(JfrChunkWriter& cw, bool clear);

  size_t clear();

  traceid add_trace(const JfrStackTrace& stacktrace);

  static traceid add(const JfrStackTrace& stacktrace);

  traceid record_for(JavaThread* thread, int skip, JfrStackFrame* frames, u4 max_frames);

 public:

  static traceid record(Thread* thread, int skip = 0);

  static void record_and_cache(JavaThread* thread, int skip = 0);

};

#endif // SHARE_JFR_RECORDER_STACKTRACE_JFRSTACKTRACEREPOSITORY_HPP