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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) 2011 New Dream Network
*
* 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_MDSOPENINOREPLY_H
#define CEPH_MDSOPENINOREPLY_H
#include "messages/MMDSOp.h"
class MMDSOpenInoReply final : public MMDSOp {
public:
static constexpr int HEAD_VERSION = 1;
static constexpr int COMPAT_VERSION = 1;
inodeno_t ino;
std::vector<inode_backpointer_t> ancestors;
mds_rank_t hint;
int32_t error;
protected:
MMDSOpenInoReply() : MMDSOp{MSG_MDS_OPENINOREPLY, HEAD_VERSION, COMPAT_VERSION}, error(0) {}
MMDSOpenInoReply(ceph_tid_t t, inodeno_t i, mds_rank_t h=MDS_RANK_NONE, int e=0) :
MMDSOp{MSG_MDS_OPENINOREPLY, HEAD_VERSION, COMPAT_VERSION}, ino(i), hint(h), error(e) {
header.tid = t;
}
public:
std::string_view get_type_name() const override { return "openinoreply"; }
void print(std::ostream &out) const override {
out << "openinoreply(" << header.tid << " "
<< ino << " " << hint << " " << ancestors << ")";
}
void encode_payload(uint64_t features) override {
using ceph::encode;
encode(ino, payload);
encode(ancestors, payload);
encode(hint, payload);
encode(error, payload);
}
void decode_payload() override {
using ceph::decode;
auto p = payload.cbegin();
decode(ino, p);
decode(ancestors, p);
decode(hint, p);
decode(error, 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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