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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#pragma once
#include <map>
#include <set>
#include <vector>
#include "include/encoding.h"
#include "include/utime.h"
#include "osd/osd_types.h"
struct creating_pgs_t {
epoch_t last_scan_epoch = 0;
struct pg_create_info {
epoch_t create_epoch;
utime_t create_stamp;
// NOTE: pre-octopus instances of this class will have a
// zeroed-out history
std::vector<int> up;
int up_primary = -1;
std::vector<int> acting;
int acting_primary = -1;
pg_history_t history;
PastIntervals past_intervals;
void encode(ceph::buffer::list& bl, uint64_t features) const {
using ceph::encode;
if (!HAVE_FEATURE(features, SERVER_OCTOPUS)) {
// was pair<epoch_t,utime_t> prior to octopus
encode(create_epoch, bl);
encode(create_stamp, bl);
return;
}
ENCODE_START(1, 1, bl);
encode(create_epoch, bl);
encode(create_stamp, bl);
encode(up, bl);
encode(up_primary, bl);
encode(acting, bl);
encode(acting_primary, bl);
encode(history, bl);
encode(past_intervals, bl);
ENCODE_FINISH(bl);
}
void decode_legacy(ceph::buffer::list::const_iterator& p) {
using ceph::decode;
decode(create_epoch, p);
decode(create_stamp, p);
}
void decode(ceph::buffer::list::const_iterator& p) {
using ceph::decode;
DECODE_START(1, p);
decode(create_epoch, p);
decode(create_stamp, p);
decode(up, p);
decode(up_primary, p);
decode(acting, p);
decode(acting_primary, p);
decode(history, p);
decode(past_intervals, p);
DECODE_FINISH(p);
}
void dump(ceph::Formatter *f) const {
f->dump_unsigned("create_epoch", create_epoch);
f->dump_stream("create_stamp") << create_stamp;
f->open_array_section("up");
for (auto& i : up) {
f->dump_unsigned("osd", i);
}
f->close_section();
f->dump_int("up_primary", up_primary);
f->open_array_section("acting");
for (auto& i : acting) {
f->dump_unsigned("osd", i);
}
f->close_section();
f->dump_int("acting_primary", up_primary);
f->dump_object("pg_history", history);
f->dump_object("past_intervals", past_intervals);
}
pg_create_info() {}
pg_create_info(epoch_t e, utime_t t)
: create_epoch(e),
create_stamp(t) {
// NOTE: we don't initialize the other fields here; see
// OSDMonitor::update_pending_pgs()
}
};
/// pgs we are currently creating
std::map<pg_t, pg_create_info> pgs;
struct pool_create_info {
epoch_t created;
utime_t modified;
uint64_t start = 0;
uint64_t end = 0;
bool done() const {
return start >= end;
}
void encode(ceph::buffer::list& bl) const {
using ceph::encode;
encode(created, bl);
encode(modified, bl);
encode(start, bl);
encode(end, bl);
}
void decode(ceph::buffer::list::const_iterator& p) {
using ceph::decode;
decode(created, p);
decode(modified, p);
decode(start, p);
decode(end, p);
}
};
/// queue of pgs we still need to create (poolid -> <created, set of ps>)
std::map<int64_t,pool_create_info> queue;
/// pools that exist in the osdmap for which at least one pg has been created
std::set<int64_t> created_pools;
bool still_creating_pool(int64_t poolid) {
for (auto& i : pgs) {
if (i.first.pool() == poolid) {
return true;
}
}
if (queue.count(poolid)) {
return true;
}
return false;
}
void create_pool(int64_t poolid, uint32_t pg_num,
epoch_t created, utime_t modified) {
ceph_assert(created_pools.count(poolid) == 0);
auto& c = queue[poolid];
c.created = created;
c.modified = modified;
c.end = pg_num;
created_pools.insert(poolid);
}
unsigned remove_pool(int64_t removed_pool) {
const unsigned total = pgs.size();
auto first = pgs.lower_bound(pg_t{0, (uint64_t)removed_pool});
auto last = pgs.lower_bound(pg_t{0, (uint64_t)removed_pool + 1});
pgs.erase(first, last);
created_pools.erase(removed_pool);
queue.erase(removed_pool);
return total - pgs.size();
}
void encode(ceph::buffer::list& bl, uint64_t features) const {
unsigned v = 3;
if (!HAVE_FEATURE(features, SERVER_OCTOPUS)) {
v = 2;
}
ENCODE_START(v, 1, bl);
encode(last_scan_epoch, bl);
encode(pgs, bl, features);
encode(created_pools, bl);
encode(queue, bl);
ENCODE_FINISH(bl);
}
void decode(ceph::buffer::list::const_iterator& bl) {
DECODE_START(3, bl);
decode(last_scan_epoch, bl);
if (struct_v >= 3) {
decode(pgs, bl);
} else {
// legacy pg encoding
pgs.clear();
uint32_t num;
decode(num, bl);
while (num--) {
pg_t pgid;
decode(pgid, bl);
pgs[pgid].decode_legacy(bl);
}
}
decode(created_pools, bl);
if (struct_v >= 2)
decode(queue, bl);
DECODE_FINISH(bl);
}
void dump(ceph::Formatter *f) const {
f->dump_unsigned("last_scan_epoch", last_scan_epoch);
f->open_array_section("creating_pgs");
for (auto& pg : pgs) {
f->open_object_section("pg");
f->dump_stream("pgid") << pg.first;
f->dump_object("pg_create_info", pg.second);
f->close_section();
}
f->close_section();
f->open_array_section("queue");
for (auto& p : queue) {
f->open_object_section("pool");
f->dump_unsigned("pool", p.first);
f->dump_unsigned("created", p.second.created);
f->dump_stream("modified") << p.second.modified;
f->dump_unsigned("ps_start", p.second.start);
f->dump_unsigned("ps_end", p.second.end);
f->close_section();
}
f->close_section();
f->open_array_section("created_pools");
for (auto pool : created_pools) {
f->dump_unsigned("pool", pool);
}
f->close_section();
}
static void generate_test_instances(std::list<creating_pgs_t*>& o) {
auto c = new creating_pgs_t;
c->last_scan_epoch = 17;
c->pgs.emplace(pg_t{42, 2}, pg_create_info(31, utime_t{891, 113}));
c->pgs.emplace(pg_t{44, 2}, pg_create_info(31, utime_t{891, 113}));
c->created_pools = {0, 1};
o.push_back(c);
c = new creating_pgs_t;
c->last_scan_epoch = 18;
c->pgs.emplace(pg_t{42, 3}, pg_create_info(31, utime_t{891, 113}));
c->created_pools = {};
o.push_back(c);
}
};
WRITE_CLASS_ENCODER_FEATURES(creating_pgs_t::pg_create_info)
WRITE_CLASS_ENCODER(creating_pgs_t::pool_create_info)
WRITE_CLASS_ENCODER_FEATURES(creating_pgs_t)
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