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