ceph/src/messages/MGetPoolStatsReply.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3 /*
   4  * Ceph - scalable distributed file system
   5  *
   6  * Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
   7  *
   8  * This is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License version 2.1, as published by the Free Software
  11  * Foundation.  See file COPYING.
  12  *
  13  */
  14
  15
  16 #ifndef CEPH_MGETPOOLSTATSREPLY_H
  17 #define CEPH_MGETPOOLSTATSREPLY_H
  18
  19 class MGetPoolStatsReply final : public PaxosServiceMessage {
  20   static constexpr int HEAD_VERSION = 2;
  21   static constexpr int COMPAT_VERSION = 1;
  22
  23 public:
  24   uuid_d fsid;
  25   boost::container::flat_map<std::string, pool_stat_t> pool_stats;
  26   bool per_pool = false;
  27
  28   MGetPoolStatsReply() : PaxosServiceMessage{MSG_GETPOOLSTATSREPLY, 0,
  29                                              HEAD_VERSION, COMPAT_VERSION} {}
  30   MGetPoolStatsReply(uuid_d& f, ceph_tid_t t, version_t v) :
  31     PaxosServiceMessage{MSG_GETPOOLSTATSREPLY, v,
  32                         HEAD_VERSION, COMPAT_VERSION},
  33     fsid(f) {
  34     set_tid(t);
  35   }
  36
  37 private:
  38   ~MGetPoolStatsReply() final {}
  39
  40 public:
  41   std::string_view get_type_name() const override { return "getpoolstats"; }
  42   void print(std::ostream& out) const override {
  43     out << "getpoolstatsreply(" << get_tid();
  44     if (per_pool)
  45       out << " per_pool";
  46     out << " v" << version <<  ")";
  47   }
  48
  49   void encode_payload(uint64_t features) override {
  50     using ceph::encode;
  51     paxos_encode();
  52     encode(fsid, payload);
  53     encode(pool_stats, payload, features);
  54     encode(per_pool, payload);
  55   }
  56   void decode_payload() override {
  57     using ceph::decode;
  58     auto p = payload.cbegin();
  59     paxos_decode(p);
  60     decode(fsid, p);
  61     decode(pool_stats, p);
  62     if (header.version >= 2) {
  63       decode(per_pool, p);
  64     } else {
  65       per_pool = false;
  66     }
  67   }
  68 private:
  69   template<class T, typename... Args>
  70   friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args);
  71 };
  72
  73 #endif