ceph/src/messages/MOSDPGTemp.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
  17 #ifndef CEPH_MOSDPGTEMP_H
  18 #define CEPH_MOSDPGTEMP_H
  19
  20 #include "messages/PaxosServiceMessage.h"
  21
  22 class MOSDPGTemp : public PaxosServiceMessage {
  23  public:
  24   epoch_t map_epoch = 0;
  25   map<pg_t, vector<int32_t> > pg_temp;
  26   bool forced = false;
  27
  28   MOSDPGTemp(epoch_t e)
  29     : PaxosServiceMessage(MSG_OSD_PGTEMP, e, HEAD_VERSION, COMPAT_VERSION),
  30       map_epoch(e)
  31   {}
  32   MOSDPGTemp()
  33     : MOSDPGTemp(0)
  34   {}
  35 private:
  36   ~MOSDPGTemp() override {}
  37
  38 public:
  39   void encode_payload(uint64_t features) override {
  40     paxos_encode();
  41     ::encode(map_epoch, payload);
  42     ::encode(pg_temp, payload);
  43     ::encode(forced, payload);
  44   }
  45   void decode_payload() override {
  46     bufferlist::iterator p = payload.begin();
  47     paxos_decode(p);
  48     ::decode(map_epoch, p);
  49     ::decode(pg_temp, p);
  50     if (header.version >= 2) {
  51       ::decode(forced, p);
  52     }
  53   }
  54
  55   const char *get_type_name() const override { return "osd_pgtemp"; }
  56   void print(ostream &out) const override {
  57     out << "osd_pgtemp(e" << map_epoch << " " << pg_temp << " v" << version << ")";
  58   }
  59 private:
  60   static constexpr int HEAD_VERSION = 2;
  61   static constexpr int COMPAT_VERSION = 1;
  62 };
  63
  64 #endif