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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_MPOOLOP_H
#define CEPH_MPOOLOP_H
#include "messages/PaxosServiceMessage.h"
class MPoolOp final : public PaxosServiceMessage {
private:
static constexpr int HEAD_VERSION = 4;
static constexpr int COMPAT_VERSION = 2;
public:
uuid_d fsid;
__u32 pool = 0;
std::string name;
__u32 op = 0;
snapid_t snapid;
__s16 crush_rule = 0;
MPoolOp()
: PaxosServiceMessage{CEPH_MSG_POOLOP, 0, HEAD_VERSION, COMPAT_VERSION} {}
MPoolOp(const uuid_d& f, ceph_tid_t t, int p, std::string& n, int o, version_t v)
: PaxosServiceMessage{CEPH_MSG_POOLOP, v, HEAD_VERSION, COMPAT_VERSION},
fsid(f), pool(p), name(n), op(o),
snapid(0), crush_rule(0) {
set_tid(t);
}
private:
~MPoolOp() final {}
public:
std::string_view get_type_name() const override { return "poolop"; }
void print(std::ostream& out) const override {
out << "pool_op(" << ceph_pool_op_name(op) << " pool " << pool
<< " tid " << get_tid()
<< " name " << name
<< " v" << version << ")";
}
void encode_payload(uint64_t features) override {
using ceph::encode;
paxos_encode();
encode(fsid, payload);
encode(pool, payload);
encode(op, payload);
encode((uint64_t)0, payload);
encode(snapid, payload);
encode(name, payload);
__u8 pad = 0;
encode(pad, payload); /* for v3->v4 encoding change */
encode(crush_rule, payload);
}
void decode_payload() override {
using ceph::decode;
auto p = payload.cbegin();
paxos_decode(p);
decode(fsid, p);
decode(pool, p);
if (header.version < 2)
decode(name, p);
decode(op, p);
uint64_t old_auid;
decode(old_auid, p);
decode(snapid, p);
if (header.version >= 2)
decode(name, p);
if (header.version >= 3) {
__u8 pad;
decode(pad, p);
if (header.version >= 4)
decode(crush_rule, p);
else
crush_rule = pad;
} else
crush_rule = -1;
}
private:
template<class T, typename... Args>
friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args);
};
#endif
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