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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) 2017 Red Hat
*
* 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_MOSDBACKOFF_H
#define CEPH_MOSDBACKOFF_H
#include "MOSDFastDispatchOp.h"
#include "osd/osd_types.h"
class MOSDBackoff : public MOSDFastDispatchOp {
public:
static constexpr int HEAD_VERSION = 1;
static constexpr int COMPAT_VERSION = 1;
spg_t pgid;
epoch_t map_epoch = 0;
uint8_t op = 0; ///< CEPH_OSD_BACKOFF_OP_*
uint64_t id = 0; ///< unique id within this session
hobject_t begin, end; ///< [) range to block, unless ==, block single obj
spg_t get_spg() const override {
return pgid;
}
epoch_t get_map_epoch() const override {
return map_epoch;
}
MOSDBackoff()
: MOSDFastDispatchOp{CEPH_MSG_OSD_BACKOFF, HEAD_VERSION, COMPAT_VERSION} {}
MOSDBackoff(spg_t pgid_, epoch_t ep, uint8_t op_, uint64_t id_,
hobject_t begin_, hobject_t end_)
: MOSDFastDispatchOp{CEPH_MSG_OSD_BACKOFF, HEAD_VERSION, COMPAT_VERSION},
pgid(pgid_),
map_epoch(ep),
op(op_),
id(id_),
begin(begin_),
end(end_) { }
void encode_payload(uint64_t features) override {
using ceph::encode;
encode(pgid, payload);
encode(map_epoch, payload);
encode(op, payload);
encode(id, payload);
encode(begin, payload);
encode(end, payload);
}
void decode_payload() override {
using ceph::decode;
auto p = payload.cbegin();
decode(pgid, p);
decode(map_epoch, p);
decode(op, p);
decode(id, p);
decode(begin, p);
decode(end, p);
}
std::string_view get_type_name() const override { return "osd_backoff"; }
void print(std::ostream& out) const override {
out << "osd_backoff(" << pgid << " " << ceph_osd_backoff_op_name(op)
<< " id " << id
<< " [" << begin << "," << end << ")"
<< " e" << map_epoch << ")";
}
private:
template<class T, typename... Args>
friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args);
};
#endif
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