/*
 * Copyright (c) 2017, 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
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 * questions.
 *
 */

#ifndef SHARE_JFR_UTILITIES_JFRTYPES_HPP
#define SHARE_JFR_UTILITIES_JFRTYPES_HPP

#include "jfrfiles/jfrEventIds.hpp"
#include "memory/allocation.hpp"
#include "utilities/globalDefinitions.hpp"

typedef u8 traceid;
typedef int fio_fd;
const int invalid_fd = -1;
const jlong invalid_offset = -1;
const int64_t invalid_time = -1;
const u4 STACK_DEPTH_DEFAULT = 64;
const u4 MIN_STACK_DEPTH = 1;
const u4 MAX_STACK_DEPTH = 2048;

inline int compare_traceid(const traceid& lhs, const traceid& rhs) {
  return lhs > rhs ? 1 : (lhs < rhs) ? -1 : 0;
}

inline int sort_traceid(traceid* lhs, traceid* rhs) {
  return compare_traceid(*lhs, *rhs);
}

class JfrTraceFlag {
 private:
  mutable jshort _flags;
 public:
  JfrTraceFlag() : _flags(0) {}
  bool is_set(jshort flag) const {
    return (_flags & flag) != 0;
  }

  jshort flags() const {
    return _flags;
  }

  void set_flags(jshort flags) const {
    _flags = flags;
  }

  jbyte* flags_addr() const {
    return (jbyte*)&_flags;
  }
  jbyte* meta_addr() const {
    return ((jbyte*)&_flags) + 1;
  }
};

enum EventStartTime {
  UNTIMED,
  TIMED
};

#endif // SHARE_JFR_UTILITIES_JFRTYPES_HPP