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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_MOSDPGQUERY_H
#define CEPH_MOSDPGQUERY_H
#include "common/hobject.h"
#include "msg/Message.h"
/*
* PGQuery - query another OSD as to the contents of their PGs
*/
class MOSDPGQuery : public MessageInstance<MOSDPGQuery> {
public:
friend factory;
private:
static constexpr int HEAD_VERSION = 4;
static constexpr int COMPAT_VERSION = 4;
version_t epoch = 0;
public:
version_t get_epoch() const { return epoch; }
map<spg_t, pg_query_t> pg_list;
MOSDPGQuery() : MessageInstance(MSG_OSD_PG_QUERY,
HEAD_VERSION,
COMPAT_VERSION) {
set_priority(CEPH_MSG_PRIO_HIGH);
}
MOSDPGQuery(epoch_t e, map<spg_t,pg_query_t>& ls) :
MessageInstance(MSG_OSD_PG_QUERY,
HEAD_VERSION,
COMPAT_VERSION),
epoch(e) {
pg_list.swap(ls);
set_priority(CEPH_MSG_PRIO_HIGH);
}
private:
~MOSDPGQuery() override {}
public:
std::string_view get_type_name() const override { return "pg_query"; }
void print(ostream& out) const override {
out << "pg_query(";
for (map<spg_t,pg_query_t>::const_iterator p = pg_list.begin();
p != pg_list.end(); ++p) {
if (p != pg_list.begin())
out << ",";
out << p->first;
}
out << " epoch " << epoch << ")";
}
void encode_payload(uint64_t features) override {
using ceph::encode;
encode(epoch, payload);
encode(pg_list, payload, features);
}
void decode_payload() override {
auto p = payload.cbegin();
decode(epoch, p);
decode(pg_list, p);
}
};
#endif
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