ceph/src/messages/MMDSFindIno.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) 2011 New Dream Network
   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_MDSFINDINO_H
  16 #define CEPH_MDSFINDINO_H
  17
  18 #include "msg/Message.h"
  19 #include "include/filepath.h"
  20
  21 class MMDSFindIno : public SafeMessage {
  22   static const int HEAD_VERSION = 1;
  23   static const int COMPAT_VERSION = 1;
  24 public:
  25   ceph_tid_t tid {0};
  26   inodeno_t ino;
  27
  28 protected:
  29   MMDSFindIno() : SafeMessage{MSG_MDS_FINDINO, HEAD_VERSION, COMPAT_VERSION} {}
  30   MMDSFindIno(ceph_tid_t t, inodeno_t i) : SafeMessage{MSG_MDS_FINDINO, HEAD_VERSION, COMPAT_VERSION}, tid(t), ino(i) {}
  31   ~MMDSFindIno() override {}
  32
  33 public:
  34   std::string_view get_type_name() const override { return "findino"; }
  35   void print(ostream &out) const override {
  36     out << "findino(" << tid << " " << ino << ")";
  37   }
  38
  39   void encode_payload(uint64_t features) override {
  40     using ceph::encode;
  41     encode(tid, payload);
  42     encode(ino, payload);
  43   }
  44   void decode_payload() override {
  45     auto p = payload.cbegin();
  46     decode(tid, p);
  47     decode(ino, p);
  48   }
  49 private:
  50   template<class T, typename... Args>
  51   friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args);
  52 };
  53
  54 #endif