ceph/src/messages/MExportDirAck.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_MEXPORTDIRACK_H
  16 #define CEPH_MEXPORTDIRACK_H
  17
  18 #include "MExportDir.h"
  19 #include "msg/Message.h"
  20
  21 class MExportDirAck : public MessageInstance<MExportDirAck> {
  22 public:
  23   friend factory;
  24
  25   dirfrag_t dirfrag;
  26   bufferlist imported_caps;
  27
  28   dirfrag_t get_dirfrag() const { return dirfrag; }
  29
  30 protected:
  31   MExportDirAck() : MessageInstance(MSG_MDS_EXPORTDIRACK) {}
  32   MExportDirAck(dirfrag_t df, uint64_t tid) :
  33     MessageInstance(MSG_MDS_EXPORTDIRACK), dirfrag(df) {
  34     set_tid(tid);
  35   }
  36   ~MExportDirAck() override {}
  37
  38 public:
  39   std::string_view get_type_name() const override { return "ExAck"; }
  40     void print(ostream& o) const override {
  41     o << "export_ack(" << dirfrag << ")";
  42   }
  43
  44   void decode_payload() override {
  45     auto p = payload.cbegin();
  46     decode(dirfrag, p);
  47     decode(imported_caps, p);
  48   }
  49   void encode_payload(uint64_t features) override {
  50     using ceph::encode;
  51     encode(dirfrag, payload);
  52     encode(imported_caps, payload);
  53   }
  54
  55 };
  56
  57 #endif