ceph/src/messages/MExportDir.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
  16 #ifndef CEPH_MEXPORTDIR_H
  17 #define CEPH_MEXPORTDIR_H
  18
  19 #include "msg/Message.h"
  20
  21
  22 class MExportDir : public Message {
  23  public:
  24   dirfrag_t dirfrag;
  25   bufferlist export_data;
  26   vector<dirfrag_t> bounds;
  27   bufferlist client_map;
  28
  29   MExportDir() : Message(MSG_MDS_EXPORTDIR) {}
  30   MExportDir(dirfrag_t df, uint64_t tid) :
  31     Message(MSG_MDS_EXPORTDIR), dirfrag(df) {
  32     set_tid(tid);
  33   }
  34 private:
  35   ~MExportDir() override {}
  36
  37 public:
  38   const char *get_type_name() const override { return "Ex"; }
  39   void print(ostream& o) const override {
  40     o << "export(" << dirfrag << ")";
  41   }
  42
  43   void add_export(dirfrag_t df) {
  44     bounds.push_back(df);
  45   }
  46
  47   void encode_payload(uint64_t features) override {
  48     ::encode(dirfrag, payload);
  49     ::encode(bounds, payload);
  50     ::encode(export_data, payload);
  51     ::encode(client_map, payload);
  52   }
  53   void decode_payload() override {
  54     bufferlist::iterator p = payload.begin();
  55     ::decode(dirfrag, p);
  56     ::decode(bounds, p);
  57     ::decode(export_data, p);
  58     ::decode(client_map, p);
  59   }
  60
  61 };
  62
  63 #endif