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 "msg/Message.h"
  19
  20 #include "include/types.h"
  21
  22 class MMonGetOSDMap : public PaxosServiceMessage {
  23   epoch_t full_first, full_last;
  24   epoch_t inc_first, inc_last;
  25
  26 public:
  27   MMonGetOSDMap()
  28     : PaxosServiceMessage(CEPH_MSG_MON_GET_OSDMAP, 0),
  29       full_first(0),
  30       full_last(0),
  31       inc_first(0),
  32       inc_last(0) { }
  33 private:
  34   ~MMonGetOSDMap() override {}
  35
  36 public:
  37   void request_full(epoch_t first, epoch_t last) {
  38     assert(last >= first);
  39     full_first = first;
  40     full_last = last;
  41   }
  42   void request_inc(epoch_t first, epoch_t last) {
  43     assert(last >= first);
  44     inc_first = first;
  45     inc_last = last;
  46   }
  47   epoch_t get_full_first() const {
  48     return full_first;
  49   }
  50   epoch_t get_full_last() const {
  51     return full_last;
  52   }
  53   epoch_t get_inc_first() const {
  54     return inc_first;
  55   }
  56   epoch_t get_inc_last() const {
  57     return inc_last;
  58   }
  59
  60   const char *get_type_name() const override { return "mon_get_osdmap"; }
  61   void print(ostream& out) const override {
  62     out << "mon_get_osdmap(";
  63     if (full_first && full_last)
  64       out << "full " << full_first << "-" << full_last;
  65     if (inc_first && inc_last)
  66       out << " inc" << inc_first << "-" << inc_last;
  67     out << ")";
  68   }
  69
  70   void encode_payload(uint64_t features) override {
  71     paxos_encode();
  72     ::encode(full_first, payload);
  73     ::encode(full_last, payload);
  74     ::encode(inc_first, payload);
  75     ::encode(inc_last, payload);
  76   }
  77   void decode_payload() override {
  78     bufferlist::iterator p = payload.begin();
  79     paxos_decode(p);
  80     ::decode(full_first, p);
  81     ::decode(full_last, p);
  82     ::decode(inc_first, p);
  83     ::decode(inc_last, p);
  84   }
  85 };
  86
  87 #endif