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#include "osd_meta.h"
#include "crimson/os/cyan_collection.h"
#include "crimson/os/cyan_store.h"
#include "crimson/os/Transaction.h"
void OSDMeta::create(ceph::os::Transaction& t)
{
t.create_collection(coll->cid, 0);
}
void OSDMeta::store_map(ceph::os::Transaction& t,
epoch_t e, const bufferlist& m)
{
t.write(coll->cid, osdmap_oid(e), 0, m.length(), m);
}
seastar::future<bufferlist> OSDMeta::load_map(epoch_t e)
{
return store->read(coll,
osdmap_oid(e), 0, 0,
CEPH_OSD_OP_FLAG_FADVISE_WILLNEED);
}
void OSDMeta::store_superblock(ceph::os::Transaction& t,
const OSDSuperblock& superblock)
{
bufferlist bl;
encode(superblock, bl);
t.write(coll->cid, superblock_oid(), 0, bl.length(), bl);
}
seastar::future<OSDSuperblock> OSDMeta::load_superblock()
{
return store->read(coll, superblock_oid(), 0, 0)
.then([this] (bufferlist&& bl) {
auto p = bl.cbegin();
OSDSuperblock superblock;
decode(superblock, p);
return seastar::make_ready_future<OSDSuperblock>(std::move(superblock));
});
}
seastar::future<pg_pool_t,
std::string,
OSDMeta::ec_profile_t>
OSDMeta::load_final_pool_info(int64_t pool) {
return store->read(coll, final_pool_info_oid(pool),
0, 0).then([this] (bufferlist&& bl) {
auto p = bl.cbegin();
pg_pool_t pi;
string name;
ec_profile_t ec_profile;
decode(pi, p);
decode(name, p);
decode(ec_profile, p);
return seastar::make_ready_future<pg_pool_t,
string,
ec_profile_t>(std::move(pi),
std::move(name),
std::move(ec_profile));
});
}
ghobject_t OSDMeta::osdmap_oid(epoch_t epoch)
{
string name = fmt::format("osdmap.{}", epoch);
return ghobject_t(hobject_t(sobject_t(object_t(name), 0)));
}
ghobject_t OSDMeta::final_pool_info_oid(int64_t pool)
{
string name = fmt::format("final_pool_{}", pool);
return ghobject_t(hobject_t(sobject_t(object_t(name), CEPH_NOSNAP)));
}
ghobject_t OSDMeta::superblock_oid()
{
return ghobject_t(hobject_t(sobject_t(object_t("osd_superblock"), 0)));
}
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