ceph/src/messages/MOSDFull.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3
   4 #ifndef CEPH_MOSDFULL_H
   5 #define CEPH_MOSDFULL_H
   6
   7 #include "messages/PaxosServiceMessage.h"
   8 #include "osd/OSDMap.h"
   9
  10 // tell the mon to update the full/nearfull bits.  note that in the
  11 // future this message could be generalized to other state bits, but
  12 // for now name it for its sole application.
  13
  14 class MOSDFull : public PaxosServiceMessage {
  15 public:
  16   epoch_t map_epoch = 0;
  17   uint32_t state = 0;
  18
  19 private:
  20   ~MOSDFull() {}
  21
  22 public:
  23   MOSDFull(epoch_t e, unsigned s)
  24     : PaxosServiceMessage{MSG_OSD_FULL, e}, map_epoch(e), state(s) { }
  25   MOSDFull()
  26     : PaxosServiceMessage{MSG_OSD_FULL, 0} {}
  27
  28 public:
  29   void encode_payload(uint64_t features) {
  30     using ceph::encode;
  31     paxos_encode();
  32     encode(map_epoch, payload);
  33     encode(state, payload);
  34   }
  35   void decode_payload() {
  36     auto p = payload.cbegin();
  37     paxos_decode(p);
  38     decode(map_epoch, p);
  39     decode(state, p);
  40   }
  41
  42   std::string_view get_type_name() const { return "osd_full"; }
  43   void print(ostream &out) const {
  44     set<string> states;
  45     OSDMap::calc_state_set(state, states);
  46     out << "osd_full(e" << map_epoch << " " << states << " v" << version << ")";
  47   }
  48 private:
  49   template<class T, typename... Args>
  50   friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args);
  51 };
  52
  53 #endif