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/*
* Ceph - scalable distributed file system
*
* 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.
* Copyright 2013 Inktank
*/
#include "common/ceph_json.h"
#include "rgw_replica_log.h"
#include "cls/replica_log/cls_replica_log_client.h"
#include "rgw_rados.h"
void RGWReplicaBounds::dump(Formatter *f) const
{
encode_json("marker", marker, f);
encode_json("oldest_time", oldest_time, f);
encode_json("markers", markers, f);
}
void RGWReplicaBounds::decode_json(JSONObj *obj) {
JSONDecoder::decode_json("marker", marker, obj);
JSONDecoder::decode_json("oldest_time", oldest_time, obj);
JSONDecoder::decode_json("markers", markers, obj);
}
RGWReplicaLogger::RGWReplicaLogger(RGWRados *_store) :
cct(_store->cct), store(_store) {}
int RGWReplicaLogger::open_ioctx(librados::IoCtx& ctx, const string& pool)
{
int r = store->rados->ioctx_create(pool.c_str(), ctx);
if (r == -ENOENT) {
rgw_bucket p(pool.c_str());
r = store->create_pool(p);
if (r < 0)
return r;
// retry
r = store->rados->ioctx_create(pool.c_str(), ctx);
}
if (r < 0) {
lderr(cct) << "ERROR: could not open rados pool " << pool << dendl;
}
return r;
}
int RGWReplicaLogger::update_bound(const string& oid, const string& pool,
const string& daemon_id,
const string& marker, const utime_t& time,
const list<RGWReplicaItemMarker> *entries)
{
cls_replica_log_progress_marker progress;
progress.entity_id = daemon_id;
progress.position_marker = marker;
progress.position_time = time;
progress.items = *entries;
librados::IoCtx ioctx;
int r = open_ioctx(ioctx, pool);
if (r < 0) {
return r;
}
librados::ObjectWriteOperation opw;
cls_replica_log_update_bound(opw, progress);
return ioctx.operate(oid, &opw);
}
int RGWReplicaLogger::delete_bound(const string& oid, const string& pool,
const string& daemon_id)
{
librados::IoCtx ioctx;
int r = open_ioctx(ioctx, pool);
if (r < 0) {
return r;
}
librados::ObjectWriteOperation opw;
cls_replica_log_delete_bound(opw, daemon_id);
return ioctx.operate(oid, &opw);
}
int RGWReplicaLogger::get_bounds(const string& oid, const string& pool,
RGWReplicaBounds& bounds)
{
librados::IoCtx ioctx;
int r = open_ioctx(ioctx, pool);
if (r < 0) {
return r;
}
return cls_replica_log_get_bounds(ioctx, oid, bounds.marker, bounds.oldest_time, bounds.markers);
}
RGWReplicaObjectLogger::
RGWReplicaObjectLogger(RGWRados *_store,
const string& _pool,
const string& _prefix) : RGWReplicaLogger(_store),
pool(_pool), prefix(_prefix) {
if (pool.empty())
store->get_log_pool_name(pool);
}
int RGWReplicaObjectLogger::create_log_objects(int shards)
{
librados::IoCtx ioctx;
int r = open_ioctx(ioctx, pool);
if (r < 0) {
return r;
}
for (int i = 0; i < shards; ++i) {
string oid;
get_shard_oid(i, oid);
r = ioctx.create(oid, false);
if (r < 0)
return r;
}
return r;
}
RGWReplicaBucketLogger::RGWReplicaBucketLogger(RGWRados *_store) :
RGWReplicaLogger(_store)
{
store->get_log_pool_name(pool);
prefix = _store->ctx()->_conf->rgw_replica_log_obj_prefix;
prefix.append(".");
}
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