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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_MEXPORTCAPS_H
#define CEPH_MEXPORTCAPS_H
#include "messages/MMDSOp.h"
class MExportCaps final : public MMDSOp {
private:
static constexpr int HEAD_VERSION = 2;
static constexpr int COMPAT_VERSION = 1;
public:
inodeno_t ino;
ceph::buffer::list cap_bl;
std::map<client_t,entity_inst_t> client_map;
std::map<client_t,client_metadata_t> client_metadata_map;
protected:
MExportCaps() :
MMDSOp{MSG_MDS_EXPORTCAPS, HEAD_VERSION, COMPAT_VERSION} {}
~MExportCaps() final {}
public:
std::string_view get_type_name() const override { return "export_caps"; }
void print(std::ostream& o) const override {
o << "export_caps(" << ino << ")";
}
void encode_payload(uint64_t features) override {
using ceph::encode;
encode(ino, payload);
encode(cap_bl, payload);
encode(client_map, payload, features);
encode(client_metadata_map, payload);
}
void decode_payload() override {
using ceph::decode;
auto p = payload.cbegin();
decode(ino, p);
decode(cap_bl, p);
decode(client_map, p);
if (header.version >= 2)
decode(client_metadata_map, 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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