// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- 
// vim: ts=8 sw=2 smarttab
/*
 * Ceph - scalable distributed file system
 *
 * Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
 *
 * This is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License version 2.1, as published by the Free Software 
 * Foundation.  See file COPYING.
 * 
 */


#ifndef CEPH_MOSDPGCREATE_H
#define CEPH_MOSDPGCREATE_H

#include "msg/Message.h"
#include "osd/osd_types.h"

/*
 * PGCreate - instruct an OSD to create a pg, if it doesn't already exist
 */

class MOSDPGCreate final : public Message {
public:
  static constexpr int HEAD_VERSION = 3;
  static constexpr int COMPAT_VERSION = 3;

  version_t          epoch = 0;
  std::map<pg_t,pg_create_t> mkpg;
  std::map<pg_t,utime_t> ctimes;

  MOSDPGCreate()
    : MOSDPGCreate{0}
  {}
  MOSDPGCreate(epoch_t e)
    : Message{MSG_OSD_PG_CREATE, HEAD_VERSION, COMPAT_VERSION},
      epoch(e)
  {}
private:
  ~MOSDPGCreate() final {}

public:
  std::string_view get_type_name() const override { return "pg_create"; }

  void encode_payload(uint64_t features) override {
    using ceph::encode;
    encode(epoch, payload);
    encode(mkpg, payload);
    encode(ctimes, payload);
  }
  void decode_payload() override {
    using ceph::decode;
    auto p = payload.cbegin();
    decode(epoch, p);
    decode(mkpg, p);
    decode(ctimes, p);
  }
  void print(std::ostream& out) const override {
    out << "osd_pg_create(e" << epoch;
    for (auto i = mkpg.begin(); i != mkpg.end(); ++i) {
      out << " " << i->first << ":" << i->second.created;
    }
    out << ")";
  }
private:
  template<class T, typename... Args>
  friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args);
};

#endif