/*

 * Copyright (c) 2012, 2018, 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

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 */

#ifndef SHARE_VM_JFR_RECORDER_REPOSITORY_JFRCHUNKWRITER_HPP

#define SHARE_VM_JFR_RECORDER_REPOSITORY_JFRCHUNKWRITER_HPP

#include "jfr/writers/jfrStorageAdapter.hpp"

#include "jfr/writers/jfrStreamWriterHost.inline.hpp"

#include "jfr/writers/jfrWriterHost.inline.hpp"

typedef MallocAdapter<M> JfrStreamBuffer; // 1 mb buffered writes

typedef StreamWriterHost<JfrStreamBuffer, JfrCHeapObj> JfrBufferedStreamWriter;

typedef WriterHost<BigEndianEncoder, CompressedIntegerEncoder, JfrBufferedStreamWriter> JfrChunkWriterBase;

class JfrChunkState;

class JfrChunkWriter : public JfrChunkWriterBase {

  friend class JfrRepository;

 private:

  JfrChunkState* _chunkstate;

  bool open();

  size_t close(intptr_t metadata_offset);

  void write_header(intptr_t metadata_offset);

  void set_chunk_path(const char* chunk_path);

 public:

  JfrChunkWriter();

  bool initialize();

  intptr_t size_written() const;

  intptr_t previous_checkpoint_offset() const;

  void set_previous_checkpoint_offset(intptr_t offset);

  void time_stamp_chunk_now();

};

#endif // SHARE_VM_JFR_RECORDER_REPOSITORY_JFRCHUNKWRITER_HPP