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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*
*/
#ifndef CEPH_MMDSFRAGMENTNOTIFY_H
#define CEPH_MMDSFRAGMENTNOTIFY_H
#include "messages/MMDSOp.h"
class MMDSFragmentNotify final : public MMDSOp {
private:
static constexpr int HEAD_VERSION = 2;
static constexpr int COMPAT_VERSION = 1;
dirfrag_t base_dirfrag;
int8_t bits = 0;
bool ack_wanted = false;
public:
inodeno_t get_ino() const { return base_dirfrag.ino; }
frag_t get_basefrag() const { return base_dirfrag.frag; }
dirfrag_t get_base_dirfrag() const { return base_dirfrag; }
int get_bits() const { return bits; }
bool is_ack_wanted() const { return ack_wanted; }
void mark_ack_wanted() { ack_wanted = true; }
ceph::buffer::list basebl;
protected:
MMDSFragmentNotify() :
MMDSOp{MSG_MDS_FRAGMENTNOTIFY, HEAD_VERSION, COMPAT_VERSION} {}
MMDSFragmentNotify(dirfrag_t df, int b, uint64_t tid) :
MMDSOp{MSG_MDS_FRAGMENTNOTIFY, HEAD_VERSION, COMPAT_VERSION},
base_dirfrag(df), bits(b) {
set_tid(tid);
}
~MMDSFragmentNotify() final {}
public:
std::string_view get_type_name() const override { return "fragment_notify"; }
void print(std::ostream& o) const override {
o << "fragment_notify(" << base_dirfrag << " " << (int)bits << ")";
}
void encode_payload(uint64_t features) override {
using ceph::encode;
encode(base_dirfrag, payload);
encode(bits, payload);
encode(basebl, payload);
encode(ack_wanted, payload);
}
void decode_payload() override {
using ceph::decode;
auto p = payload.cbegin();
decode(base_dirfrag, p);
decode(bits, p);
decode(basebl, p);
if (header.version >= 2)
decode(ack_wanted, p);
}
private:
template<class T, typename... Args>
friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args);
template<class T, typename... Args>
friend MURef<T> crimson::make_message(Args&&... args);
};
#endif
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