ceph/src/messages/MOSDPGInfo.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_MOSDPGINFO_H
  17 #define CEPH_MOSDPGINFO_H
  18
  19 #include "msg/Message.h"
  20 #include "osd/osd_types.h"
  21
  22 class MOSDPGInfo : public MessageInstance<MOSDPGInfo> {
  23 public:
  24   friend factory;
  25 private:
  26   static constexpr int HEAD_VERSION = 5;
  27   static constexpr int COMPAT_VERSION = 5;
  28
  29   epoch_t epoch = 0;
  30
  31 public:
  32   vector<pair<pg_notify_t,PastIntervals> > pg_list;
  33
  34   epoch_t get_epoch() const { return epoch; }
  35
  36   MOSDPGInfo()
  37     : MessageInstance(MSG_OSD_PG_INFO, HEAD_VERSION, COMPAT_VERSION) {
  38     set_priority(CEPH_MSG_PRIO_HIGH);
  39   }
  40   MOSDPGInfo(version_t mv)
  41     : MessageInstance(MSG_OSD_PG_INFO, HEAD_VERSION, COMPAT_VERSION),
  42       epoch(mv) {
  43     set_priority(CEPH_MSG_PRIO_HIGH);
  44   }
  45 private:
  46   ~MOSDPGInfo() override {}
  47
  48 public:
  49   std::string_view get_type_name() const override { return "pg_info"; }
  50   void print(ostream& out) const override {
  51     out << "pg_info(";
  52     for (auto i = pg_list.begin();
  53          i != pg_list.end();
  54          ++i) {
  55       if (i != pg_list.begin())
  56         out << " ";
  57       out << i->first << "=" << i->second;
  58     }
  59     out << " epoch " << epoch
  60         << ")";
  61   }
  62
  63   void encode_payload(uint64_t features) override {
  64     using ceph::encode;
  65     encode(epoch, payload);
  66     encode(pg_list, payload);
  67   }
  68   void decode_payload() override {
  69     auto p = payload.cbegin();
  70     decode(epoch, p);
  71     decode(pg_list, p);
  72   }
  73 };
  74
  75 #endif