ceph/src/messages/MOSDScrubReserve.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 #ifndef CEPH_MOSDSCRUBRESERVE_H
  16 #define CEPH_MOSDSCRUBRESERVE_H
  17
  18 #include "MOSDFastDispatchOp.h"
  19
  20 class MOSDScrubReserve : public MessageInstance<MOSDScrubReserve, MOSDFastDispatchOp> {
  21 public:
  22   friend factory;
  23 private:
  24   static constexpr int HEAD_VERSION = 1;
  25   static constexpr int COMPAT_VERSION = 1;
  26 public:
  27   spg_t pgid;
  28   epoch_t map_epoch;
  29   enum {
  30     REQUEST = 0,
  31     GRANT = 1,
  32     RELEASE = 2,
  33     REJECT = 3,
  34   };
  35   int32_t type;
  36   pg_shard_t from;
  37
  38   epoch_t get_map_epoch() const override {
  39     return map_epoch;
  40   }
  41   spg_t get_spg() const override {
  42     return pgid;
  43   }
  44
  45   MOSDScrubReserve()
  46     : MessageInstance(MSG_OSD_SCRUB_RESERVE, HEAD_VERSION, COMPAT_VERSION),
  47       map_epoch(0), type(-1) {}
  48   MOSDScrubReserve(spg_t pgid,
  49                    epoch_t map_epoch,
  50                    int type,
  51                    pg_shard_t from)
  52     : MessageInstance(MSG_OSD_SCRUB_RESERVE, HEAD_VERSION, COMPAT_VERSION),
  53       pgid(pgid), map_epoch(map_epoch),
  54       type(type), from(from) {}
  55
  56   std::string_view get_type_name() const {
  57     return "MOSDScrubReserve";
  58   }
  59
  60   void print(ostream& out) const {
  61     out << "MOSDScrubReserve(" << pgid << " ";
  62     switch (type) {
  63     case REQUEST:
  64       out << "REQUEST ";
  65       break;
  66     case GRANT:
  67       out << "GRANT ";
  68       break;
  69     case REJECT:
  70       out << "REJECT ";
  71       break;
  72     case RELEASE:
  73       out << "RELEASE ";
  74       break;
  75     }
  76     out << "e" << map_epoch << ")";
  77     return;
  78   }
  79
  80   void decode_payload() {
  81     auto p = payload.cbegin();
  82     decode(pgid, p);
  83     decode(map_epoch, p);
  84     decode(type, p);
  85     decode(from, p);
  86   }
  87
  88   void encode_payload(uint64_t features) {
  89     using ceph::encode;
  90     encode(pgid, payload);
  91     encode(map_epoch, payload);
  92     encode(type, payload);
  93     encode(from, payload);
  94   }
  95 };
  96
  97 #endif