ceph/src/messages/MPGStats.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 #ifndef CEPH_MPGSTATS_H
  16 #define CEPH_MPGSTATS_H
  17
  18 #include "osd/osd_types.h"
  19 #include "messages/PaxosServiceMessage.h"
  20
  21 class MPGStats : public PaxosServiceMessage {
  22 public:
  23   uuid_d fsid;
  24   map<pg_t,pg_stat_t> pg_stat;
  25   osd_stat_t osd_stat;
  26   epoch_t epoch;
  27   utime_t had_map_for;
  28
  29   MPGStats() : PaxosServiceMessage(MSG_PGSTATS, 0) {}
  30   MPGStats(const uuid_d& f, epoch_t e, utime_t had)
  31     : PaxosServiceMessage(MSG_PGSTATS, 0),
  32       fsid(f),
  33       epoch(e),
  34       had_map_for(had)
  35   {}
  36
  37 private:
  38   ~MPGStats() override {}
  39
  40 public:
  41   const char *get_type_name() const override { return "pg_stats"; }
  42   void print(ostream& out) const override {
  43     out << "pg_stats(" << pg_stat.size() << " pgs tid " << get_tid() << " v " << version << ")";
  44   }
  45
  46   void encode_payload(uint64_t features) override {
  47     paxos_encode();
  48     ::encode(fsid, payload);
  49     ::encode(osd_stat, payload);
  50     ::encode(pg_stat, payload);
  51     ::encode(epoch, payload);
  52     ::encode(had_map_for, payload);
  53   }
  54   void decode_payload() override {
  55     bufferlist::iterator p = payload.begin();
  56     paxos_decode(p);
  57     ::decode(fsid, p);
  58     ::decode(osd_stat, p);
  59     ::decode(pg_stat, p);
  60     ::decode(epoch, p);
  61     ::decode(had_map_for, p);
  62   }
  63 };
  64
  65 #endif