ceph/src/messages/MMgrMap.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_MMGRMAP_H
  17 #define CEPH_MMGRMAP_H
  18
  19 #include "msg/Message.h"
  20 #include "mon/MgrMap.h"
  21
  22 class MMgrMap final : public Message {
  23 protected:
  24   MgrMap map;
  25
  26 public:
  27   const MgrMap & get_map() {return map;}
  28
  29 private:
  30   MMgrMap() :
  31     Message{MSG_MGR_MAP} {}
  32   MMgrMap(const MgrMap &map_) :
  33     Message{MSG_MGR_MAP}, map(map_)
  34   {}
  35   ~MMgrMap() final {}
  36
  37 public:
  38   std::string_view get_type_name() const override { return "mgrmap"; }
  39   void print(std::ostream& out) const override {
  40     out << get_type_name() << "(e " << map.epoch << ")";
  41   }
  42
  43   void decode_payload() override {
  44     auto p = payload.cbegin();
  45     decode(map, p);
  46   }
  47   void encode_payload(uint64_t features) override {
  48     using ceph::encode;
  49     encode(map, payload, features);
  50   }
  51 private:
  52   using RefCountedObject::put;
  53   using RefCountedObject::get;
  54   template<class T, typename... Args>
  55   friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args);
  56   template<class T, typename... Args>
  57   friend MURef<T> crimson::make_message(Args&&... args);
  58 };
  59
  60 #endif