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 : public MessageInstance<MGetPoolStatsReply, PaxosServiceMessage> {
  20   static constexpr int HEAD_VERSION = 2;
  21   static constexpr int COMPAT_VERSION = 1;
  22
  23 public:
  24   friend factory;
  25
  26   uuid_d fsid;
  27   map<string,pool_stat_t> pool_stats;
  28   bool per_pool = false;
  29
  30   MGetPoolStatsReply() : MessageInstance(MSG_GETPOOLSTATSREPLY, 0,
  31                                          HEAD_VERSION, COMPAT_VERSION) {}
  32   MGetPoolStatsReply(uuid_d& f, ceph_tid_t t, version_t v) :
  33     MessageInstance(MSG_GETPOOLSTATSREPLY, v,
  34                     HEAD_VERSION, COMPAT_VERSION),
  35     fsid(f) {
  36     set_tid(t);
  37   }
  38
  39 private:
  40   ~MGetPoolStatsReply() override {}
  41
  42 public:
  43   std::string_view get_type_name() const override { return "getpoolstats"; }
  44   void print(ostream& out) const override {
  45     out << "getpoolstatsreply(" << get_tid();
  46     if (per_pool)
  47       out << " per_pool";
  48     out << " v" << version <<  ")";
  49   }
  50
  51   void encode_payload(uint64_t features) override {
  52     using ceph::encode;
  53     paxos_encode();
  54     encode(fsid, payload);
  55     encode(pool_stats, payload, features);
  56     encode(per_pool, payload);
  57   }
  58   void decode_payload() override {
  59     using ceph::decode;
  60     auto p = payload.cbegin();
  61     paxos_decode(p);
  62     decode(fsid, p);
  63     decode(pool_stats, p);
  64     if (header.version >= 2) {
  65       decode(per_pool, p);
  66     } else {
  67       per_pool = false;
  68     }
  69   }
  70 };
  71
  72 #endif