ceph/src/messages/MExportDirPrepAck.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_MEXPORTDIRPREPACK_H
  16 #define CEPH_MEXPORTDIRPREPACK_H
  17
  18 #include "msg/Message.h"
  19 #include "include/types.h"
  20
  21 class MExportDirPrepAck : public MessageInstance<MExportDirPrepAck> {
  22 public:
  23   friend factory;
  24 private:
  25   dirfrag_t dirfrag;
  26   bool success = false;
  27
  28  public:
  29   dirfrag_t get_dirfrag() const { return dirfrag; }
  30
  31 protected:
  32   MExportDirPrepAck() {}
  33   MExportDirPrepAck(dirfrag_t df, bool s, uint64_t tid) :
  34     MessageInstance(MSG_MDS_EXPORTDIRPREPACK), dirfrag(df), success(s) {
  35     set_tid(tid);
  36   }
  37   ~MExportDirPrepAck() override {}
  38
  39 public:
  40   bool is_success() const { return success; }
  41   std::string_view get_type_name() const override { return "ExPAck"; }
  42   void print(ostream& o) const override {
  43     o << "export_prep_ack(" << dirfrag << (success ? " success)" : " fail)");
  44   }
  45
  46   void decode_payload() override {
  47     using ceph::decode;
  48     auto p = payload.cbegin();
  49     decode(dirfrag, p);
  50     decode(success, p);
  51   }
  52   void encode_payload(uint64_t features) override {
  53     using ceph::encode;
  54     encode(dirfrag, payload);
  55     encode(success, payload);
  56   }
  57 };
  58
  59 #endif