+++ /dev/null
-// -*- 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 Message {
- static const int HEAD_VERSION = 4;
- static const int COMPAT_VERSION = 3;
-
- version_t epoch = 0;
-
- public:
- version_t get_epoch() const { return epoch; }
- map<spg_t, pg_query_t> pg_list;
-
- MOSDPGQuery() : Message(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) :
- Message(MSG_OSD_PG_QUERY,
- HEAD_VERSION,
- COMPAT_VERSION),
- epoch(e) {
- pg_list.swap(ls);
- set_priority(CEPH_MSG_PRIO_HIGH);
- }
-private:
- ~MOSDPGQuery() override {}
-
-public:
- const char *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 {
- if (HAVE_FEATURE(features, SERVER_LUMINOUS)) {
- header.version = HEAD_VERSION;
- } else {
- // for kraken/jewel only
- header.version = 3;
- ::encode(epoch, payload);
- vector<pair<pg_t, pg_query_t> > _pg_list;
- _pg_list.reserve(pg_list.size());
- vector<shard_id_t> _shard_list;
- _shard_list.reserve(pg_list.size());
- for (map<spg_t, pg_query_t>::iterator i = pg_list.begin();
- i != pg_list.end();
- ++i) {
- _pg_list.push_back(make_pair(i->first.pgid, i->second));
- _shard_list.push_back(i->first.shard);
- }
- ::encode(_pg_list, payload, features);
- ::encode(_shard_list, payload);
- return;
- }
- ::encode(epoch, payload);
- ::encode(pg_list, payload, features);
- }
- void decode_payload() override {
- bufferlist::iterator p = payload.begin();
- if (header.version < 4) {
- // for kraken/jewel only
- ::decode(epoch, p);
- vector<pair<pg_t, pg_query_t> > _pg_list;
- ::decode(_pg_list, p);
- vector<shard_id_t> _shard_list(_pg_list.size(), shard_id_t::NO_SHARD);
- _shard_list.clear();
- ::decode(_shard_list, p);
- assert(_pg_list.size() == _shard_list.size());
- for (unsigned i = 0; i < _pg_list.size(); ++i) {
- pg_list.insert(
- make_pair(
- spg_t(_pg_list[i].first, _shard_list[i]), _pg_list[i].second));
- }
- return;
- }
- ::decode(epoch, p);
- ::decode(pg_list, p);
- }
-};
-
-#endif