ceph/src/messages/MMonGetOSDMap.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) 2014 Red Hat
   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_MMONGETOSDMAP_H
  16 #define CEPH_MMONGETOSDMAP_H
  17
  18 #include <iostream>
  19 #include <string>
  20 #include <string_view>
  21
  22 #include "msg/Message.h"
  23
  24 #include "include/types.h"
  25
  26 class MMonGetOSDMap final : public PaxosServiceMessage {
  27 private:
  28   epoch_t full_first, full_last;
  29   epoch_t inc_first, inc_last;
  30
  31 public:
  32   MMonGetOSDMap()
  33     : PaxosServiceMessage{CEPH_MSG_MON_GET_OSDMAP, 0},
  34       full_first(0),
  35       full_last(0),
  36       inc_first(0),
  37       inc_last(0) { }
  38 private:
  39   ~MMonGetOSDMap() final {}
  40
  41 public:
  42   void request_full(epoch_t first, epoch_t last) {
  43     ceph_assert(last >= first);
  44     full_first = first;
  45     full_last = last;
  46   }
  47   void request_inc(epoch_t first, epoch_t last) {
  48     ceph_assert(last >= first);
  49     inc_first = first;
  50     inc_last = last;
  51   }
  52   epoch_t get_full_first() const {
  53     return full_first;
  54   }
  55   epoch_t get_full_last() const {
  56     return full_last;
  57   }
  58   epoch_t get_inc_first() const {
  59     return inc_first;
  60   }
  61   epoch_t get_inc_last() const {
  62     return inc_last;
  63   }
  64
  65   std::string_view get_type_name() const override { return "mon_get_osdmap"; }
  66   void print(std::ostream& out) const override {
  67     out << "mon_get_osdmap(";
  68     if (full_first && full_last)
  69       out << "full " << full_first << "-" << full_last;
  70     if (inc_first && inc_last)
  71       out << " inc" << inc_first << "-" << inc_last;
  72     out << ")";
  73   }
  74
  75   void encode_payload(uint64_t features) override {
  76     using ceph::encode;
  77     paxos_encode();
  78     encode(full_first, payload);
  79     encode(full_last, payload);
  80     encode(inc_first, payload);
  81     encode(inc_last, payload);
  82   }
  83   void decode_payload() override {
  84     using ceph::decode;
  85     auto p = payload.cbegin();
  86     paxos_decode(p);
  87     decode(full_first, p);
  88     decode(full_last, p);
  89     decode(inc_first, p);
  90     decode(inc_last, p);
  91   }
  92 private:
  93   template<class T, typename... Args>
  94   friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args);
  95 };
  96
  97 #endif