ceph/src/messages/MOSDPGRemove.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_MOSDPGREMOVE_H
  17 #define CEPH_MOSDPGREMOVE_H
  18
  19 #include "common/hobject.h"
  20 #include "msg/Message.h"
  21
  22
  23 class MOSDPGRemove : public Message {
  24 private:
  25   static constexpr int HEAD_VERSION = 3;
  26   static constexpr int COMPAT_VERSION = 3;
  27
  28   epoch_t epoch = 0;
  29
  30  public:
  31   vector<spg_t> pg_list;
  32
  33   epoch_t get_epoch() const { return epoch; }
  34
  35   MOSDPGRemove() :
  36     Message{MSG_OSD_PG_REMOVE, HEAD_VERSION, COMPAT_VERSION} {}
  37   MOSDPGRemove(epoch_t e, vector<spg_t>& l) :
  38     Message{MSG_OSD_PG_REMOVE, HEAD_VERSION, COMPAT_VERSION} {
  39     this->epoch = e;
  40     pg_list.swap(l);
  41   }
  42 private:
  43   ~MOSDPGRemove() override {}
  44
  45 public:
  46   std::string_view get_type_name() const override { return "PGrm"; }
  47
  48   void encode_payload(uint64_t features) override {
  49     using ceph::encode;
  50     encode(epoch, payload);
  51     encode(pg_list, payload);
  52   }
  53   void decode_payload() override {
  54     auto p = payload.cbegin();
  55     decode(epoch, p);
  56     decode(pg_list, p);
  57   }
  58   void print(ostream& out) const override {
  59     out << "osd pg remove(" << "epoch " << epoch << "; ";
  60     for (vector<spg_t>::const_iterator i = pg_list.begin();
  61          i != pg_list.end();
  62          ++i) {
  63       out << "pg" << *i << "; ";
  64     }
  65     out << ")";
  66   }
  67 private:
  68   template<class T, typename... Args>
  69   friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args);
  70 };
  71
  72 #endif