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 MessageInstance<MOSDFull, PaxosServiceMessage> {
  15 public:
  16   friend factory;
  17
  18   epoch_t map_epoch = 0;
  19   uint32_t state = 0;
  20
  21 private:
  22   ~MOSDFull() {}
  23
  24 public:
  25   MOSDFull(epoch_t e, unsigned s)
  26     : MessageInstance(MSG_OSD_FULL, e), map_epoch(e), state(s) { }
  27   MOSDFull()
  28     : MessageInstance(MSG_OSD_FULL, 0) {}
  29
  30 public:
  31   void encode_payload(uint64_t features) {
  32     using ceph::encode;
  33     paxos_encode();
  34     encode(map_epoch, payload);
  35     encode(state, payload);
  36   }
  37   void decode_payload() {
  38     auto p = payload.cbegin();
  39     paxos_decode(p);
  40     decode(map_epoch, p);
  41     decode(state, p);
  42   }
  43
  44   std::string_view get_type_name() const { return "osd_full"; }
  45   void print(ostream &out) const {
  46     set<string> states;
  47     OSDMap::calc_state_set(state, states);
  48     out << "osd_full(e" << map_epoch << " " << states << " v" << version << ")";
  49   }
  50
  51 };
  52
  53 #endif