ceph/src/messages/MDentryLink.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_MDENTRYLINK_H
  17 #define CEPH_MDENTRYLINK_H
  18
  19 #include <boost/utility/string_view.hpp>
  20
  21 class MDentryLink : public Message {
  22   dirfrag_t subtree;
  23   dirfrag_t dirfrag;
  24   string dn;
  25   bool is_primary;
  26
  27  public:
  28   dirfrag_t get_subtree() { return subtree; }
  29   dirfrag_t get_dirfrag() { return dirfrag; }
  30   string& get_dn() { return dn; }
  31   bool get_is_primary() { return is_primary; }
  32
  33   bufferlist bl;
  34
  35   MDentryLink() :
  36     Message(MSG_MDS_DENTRYLINK) { }
  37   MDentryLink(dirfrag_t r, dirfrag_t df, boost::string_view n, bool p) :
  38     Message(MSG_MDS_DENTRYLINK),
  39     subtree(r),
  40     dirfrag(df),
  41     dn(n),
  42     is_primary(p) {}
  43 private:
  44   ~MDentryLink() override {}
  45
  46 public:
  47   const char *get_type_name() const override { return "dentry_link";}
  48   void print(ostream& o) const override {
  49     o << "dentry_link(" << dirfrag << " " << dn << ")";
  50   }
  51
  52   void decode_payload() override {
  53     bufferlist::iterator p = payload.begin();
  54     ::decode(subtree, p);
  55     ::decode(dirfrag, p);
  56     ::decode(dn, p);
  57     ::decode(is_primary, p);
  58     ::decode(bl, p);
  59   }
  60   void encode_payload(uint64_t features) override {
  61     ::encode(subtree, payload);
  62     ::encode(dirfrag, payload);
  63     ::encode(dn, payload);
  64     ::encode(is_primary, payload);
  65     ::encode(bl, payload);
  66   }
  67 };
  68
  69 #endif