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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_MEXPORTDIRNOTIFY_H
#define CEPH_MEXPORTDIRNOTIFY_H
#include "messages/MMDSOp.h"
class MExportDirNotify final : public MMDSOp {
private:
static constexpr int HEAD_VERSION = 1;
static constexpr int COMPAT_VERSION = 1;
dirfrag_t base;
bool ack;
std::pair<__s32,__s32> old_auth, new_auth;
std::list<dirfrag_t> bounds; // bounds; these dirs are _not_ included (tho the dirfragdes are)
public:
dirfrag_t get_dirfrag() const { return base; }
std::pair<__s32,__s32> get_old_auth() const { return old_auth; }
std::pair<__s32,__s32> get_new_auth() const { return new_auth; }
bool wants_ack() const { return ack; }
const std::list<dirfrag_t>& get_bounds() const { return bounds; }
std::list<dirfrag_t>& get_bounds() { return bounds; }
protected:
MExportDirNotify() :
MMDSOp{MSG_MDS_EXPORTDIRNOTIFY, HEAD_VERSION, COMPAT_VERSION} {}
MExportDirNotify(dirfrag_t i, uint64_t tid, bool a, std::pair<__s32,__s32> oa,
std::pair<__s32,__s32> na) :
MMDSOp{MSG_MDS_EXPORTDIRNOTIFY, HEAD_VERSION, COMPAT_VERSION},
base(i), ack(a), old_auth(oa), new_auth(na) {
set_tid(tid);
}
~MExportDirNotify() final {}
public:
std::string_view get_type_name() const override { return "ExNot"; }
void print(std::ostream& o) const override {
o << "export_notify(" << base;
o << " " << old_auth << " -> " << new_auth;
if (ack)
o << " ack)";
else
o << " no ack)";
}
void copy_bounds(std::list<dirfrag_t>& ex) {
this->bounds = ex;
}
void copy_bounds(std::set<dirfrag_t>& ex) {
for (auto i = ex.begin(); i != ex.end(); ++i)
bounds.push_back(*i);
}
void encode_payload(uint64_t features) override {
using ceph::encode;
encode(base, payload);
encode(ack, payload);
encode(old_auth, payload);
encode(new_auth, payload);
encode(bounds, payload);
}
void decode_payload() override {
using ceph::decode;
auto p = payload.cbegin();
decode(base, p);
decode(ack, p);
decode(old_auth, p);
decode(new_auth, p);
decode(bounds, 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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