ceph/src/messages/MHeartbeat.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_MHEARTBEAT_H
  17 #define CEPH_MHEARTBEAT_H
  18
  19 #include "include/types.h"
  20 #include "msg/Message.h"
  21
  22 class MHeartbeat : public Message {
  23   mds_load_t load;
  24   __s32        beat = 0;
  25   map<mds_rank_t, float> import_map;
  26
  27  public:
  28   mds_load_t& get_load() { return load; }
  29   int get_beat() { return beat; }
  30
  31   map<mds_rank_t, float>& get_import_map() {
  32     return import_map;
  33   }
  34
  35   MHeartbeat()
  36     : Message(MSG_MDS_HEARTBEAT), load(utime_t()) { }
  37   MHeartbeat(mds_load_t& load, int beat)
  38     : Message(MSG_MDS_HEARTBEAT),
  39       load(load) {
  40     this->beat = beat;
  41   }
  42 private:
  43   ~MHeartbeat() override {}
  44
  45 public:
  46   const char *get_type_name() const override { return "HB"; }
  47
  48   void encode_payload(uint64_t features) override {
  49     ::encode(load, payload);
  50     ::encode(beat, payload);
  51     ::encode(import_map, payload);
  52   }
  53   void decode_payload() override {
  54     bufferlist::iterator p = payload.begin();
  55     utime_t now(ceph_clock_now());
  56     ::decode(load, now, p);
  57     ::decode(beat, p);
  58     ::decode(import_map, p);
  59   }
  60
  61 };
  62
  63 #endif