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 MOSDFastDispatchOp {
  21   static const int HEAD_VERSION = 1;
  22   static const int COMPAT_VERSION = 1;
  23 public:
  24   spg_t pgid;
  25   epoch_t map_epoch;
  26   enum {
  27     REQUEST = 0,
  28     GRANT = 1,
  29     RELEASE = 2,
  30     REJECT = 3,
  31   };
  32   int32_t type;
  33   pg_shard_t from;
  34
  35   epoch_t get_map_epoch() const override {
  36     return map_epoch;
  37   }
  38   spg_t get_spg() const override {
  39     return pgid;
  40   }
  41
  42   MOSDScrubReserve()
  43     : MOSDFastDispatchOp(MSG_OSD_SCRUB_RESERVE, HEAD_VERSION, COMPAT_VERSION),
  44       map_epoch(0), type(-1) {}
  45   MOSDScrubReserve(spg_t pgid,
  46                    epoch_t map_epoch,
  47                    int type,
  48                    pg_shard_t from)
  49     : MOSDFastDispatchOp(MSG_OSD_SCRUB_RESERVE, HEAD_VERSION, COMPAT_VERSION),
  50       pgid(pgid), map_epoch(map_epoch),
  51       type(type), from(from) {}
  52
  53   const char *get_type_name() const {
  54     return "MOSDScrubReserve";
  55   }
  56
  57   void print(ostream& out) const {
  58     out << "MOSDScrubReserve(" << pgid << " ";
  59     switch (type) {
  60     case REQUEST:
  61       out << "REQUEST ";
  62       break;
  63     case GRANT:
  64       out << "GRANT ";
  65       break;
  66     case REJECT:
  67       out << "REJECT ";
  68       break;
  69     case RELEASE:
  70       out << "RELEASE ";
  71       break;
  72     }
  73     out << "e" << map_epoch << ")";
  74     return;
  75   }
  76
  77   void decode_payload() {
  78     bufferlist::iterator p = payload.begin();
  79     ::decode(pgid, p);
  80     ::decode(map_epoch, p);
  81     ::decode(type, p);
  82     ::decode(from, p);
  83   }
  84
  85   void encode_payload(uint64_t features) {
  86     ::encode(pgid, payload);
  87     ::encode(map_epoch, payload);
  88     ::encode(type, payload);
  89     ::encode(from, payload);
  90   }
  91 };
  92
  93 #endif