ceph/src/messages/MPoolOpReply.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_MPOOLOPREPLY_H
  16 #define CEPH_MPOOLOPREPLY_H
  17
  18 #include "common/errno.h"
  19
  20 class MPoolOpReply : public PaxosServiceMessage {
  21 public:
  22   uuid_d fsid;
  23   __u32 replyCode = 0;
  24   epoch_t epoch = 0;
  25   bufferlist response_data;
  26
  27   MPoolOpReply() : PaxosServiceMessage(CEPH_MSG_POOLOP_REPLY, 0)
  28   {}
  29   MPoolOpReply( uuid_d& f, ceph_tid_t t, int rc, int e, version_t v) :
  30     PaxosServiceMessage(CEPH_MSG_POOLOP_REPLY, v),
  31     fsid(f),
  32     replyCode(rc),
  33     epoch(e) {
  34     set_tid(t);
  35   }
  36   MPoolOpReply( uuid_d& f, ceph_tid_t t, int rc, int e, version_t v,
  37                 bufferlist *blp) :
  38     PaxosServiceMessage(CEPH_MSG_POOLOP_REPLY, v),
  39     fsid(f),
  40     replyCode(rc),
  41     epoch(e) {
  42     set_tid(t);
  43     if (blp)
  44       response_data.claim(*blp);
  45   }
  46
  47   const char *get_type_name() const override { return "poolopreply"; }
  48
  49   void print(ostream& out) const override {
  50     out << "pool_op_reply(tid " << get_tid()
  51         << " " << cpp_strerror(-replyCode)
  52         << " v" << version << ")";
  53   }
  54
  55   void encode_payload(uint64_t features) override {
  56     paxos_encode();
  57     ::encode(fsid, payload);
  58     ::encode(replyCode, payload);
  59     ::encode(epoch, payload);
  60     if (response_data.length()) {
  61       ::encode(true, payload);
  62       ::encode(response_data, payload);
  63     } else
  64       ::encode(false, payload);
  65   }
  66   void decode_payload() override {
  67     bufferlist::iterator p = payload.begin();
  68     paxos_decode(p);
  69     ::decode(fsid, p);
  70     ::decode(replyCode, p);
  71     ::decode(epoch, p);
  72     bool has_response_data;
  73     ::decode(has_response_data, p);
  74     if (has_response_data) {
  75       ::decode(response_data, p);
  76     }
  77   }
  78 };
  79
  80 #endif