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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab ft=cpp
#include "svc_bilog_rados.h"
#include "svc_bi_rados.h"
#include "cls/rgw/cls_rgw_client.h"
#define dout_subsys ceph_subsys_rgw
RGWSI_BILog_RADOS::RGWSI_BILog_RADOS(CephContext *cct) : RGWServiceInstance(cct)
{
}
void RGWSI_BILog_RADOS::init(RGWSI_BucketIndex_RADOS *bi_rados_svc)
{
svc.bi = bi_rados_svc;
}
int RGWSI_BILog_RADOS::log_trim(const DoutPrefixProvider *dpp, const RGWBucketInfo& bucket_info, int shard_id, string& start_marker, string& end_marker)
{
RGWSI_RADOS::Pool index_pool;
map<int, string> bucket_objs;
BucketIndexShardsManager start_marker_mgr;
BucketIndexShardsManager end_marker_mgr;
int r = svc.bi->open_bucket_index(dpp, bucket_info, shard_id, &index_pool, &bucket_objs, nullptr);
if (r < 0) {
return r;
}
r = start_marker_mgr.from_string(start_marker, shard_id);
if (r < 0) {
return r;
}
r = end_marker_mgr.from_string(end_marker, shard_id);
if (r < 0) {
return r;
}
return CLSRGWIssueBILogTrim(index_pool.ioctx(), start_marker_mgr, end_marker_mgr, bucket_objs,
cct->_conf->rgw_bucket_index_max_aio)();
}
int RGWSI_BILog_RADOS::log_start(const DoutPrefixProvider *dpp, const RGWBucketInfo& bucket_info, int shard_id)
{
RGWSI_RADOS::Pool index_pool;
map<int, string> bucket_objs;
int r = svc.bi->open_bucket_index(dpp, bucket_info, shard_id, &index_pool, &bucket_objs, nullptr);
if (r < 0)
return r;
return CLSRGWIssueResyncBucketBILog(index_pool.ioctx(), bucket_objs, cct->_conf->rgw_bucket_index_max_aio)();
}
int RGWSI_BILog_RADOS::log_stop(const DoutPrefixProvider *dpp, const RGWBucketInfo& bucket_info, int shard_id)
{
RGWSI_RADOS::Pool index_pool;
map<int, string> bucket_objs;
int r = svc.bi->open_bucket_index(dpp, bucket_info, shard_id, &index_pool, &bucket_objs, nullptr);
if (r < 0)
return r;
return CLSRGWIssueBucketBILogStop(index_pool.ioctx(), bucket_objs, cct->_conf->rgw_bucket_index_max_aio)();
}
static void build_bucket_index_marker(const string& shard_id_str,
const string& shard_marker,
string *marker) {
if (marker) {
*marker = shard_id_str;
marker->append(BucketIndexShardsManager::KEY_VALUE_SEPARATOR);
marker->append(shard_marker);
}
}
int RGWSI_BILog_RADOS::log_list(const DoutPrefixProvider *dpp, const RGWBucketInfo& bucket_info, int shard_id, string& marker, uint32_t max,
std::list<rgw_bi_log_entry>& result, bool *truncated)
{
ldpp_dout(dpp, 20) << __func__ << ": " << bucket_info.bucket << " marker " << marker << " shard_id=" << shard_id << " max " << max << dendl;
result.clear();
RGWSI_RADOS::Pool index_pool;
map<int, string> oids;
map<int, cls_rgw_bi_log_list_ret> bi_log_lists;
int r = svc.bi->open_bucket_index(dpp, bucket_info, shard_id, &index_pool, &oids, nullptr);
if (r < 0)
return r;
BucketIndexShardsManager marker_mgr;
bool has_shards = (oids.size() > 1 || shard_id >= 0);
// If there are multiple shards for the bucket index object, the marker
// should have the pattern '{shard_id_1}#{shard_marker_1},{shard_id_2}#
// {shard_marker_2}...', if there is no sharding, the bi_log_list should
// only contain one record, and the key is the bucket instance id.
r = marker_mgr.from_string(marker, shard_id);
if (r < 0)
return r;
r = CLSRGWIssueBILogList(index_pool.ioctx(), marker_mgr, max, oids, bi_log_lists, cct->_conf->rgw_bucket_index_max_aio)();
if (r < 0)
return r;
map<int, list<rgw_bi_log_entry>::iterator> vcurrents;
map<int, list<rgw_bi_log_entry>::iterator> vends;
if (truncated) {
*truncated = false;
}
map<int, cls_rgw_bi_log_list_ret>::iterator miter = bi_log_lists.begin();
for (; miter != bi_log_lists.end(); ++miter) {
int shard_id = miter->first;
vcurrents[shard_id] = miter->second.entries.begin();
vends[shard_id] = miter->second.entries.end();
if (truncated) {
*truncated = (*truncated || miter->second.truncated);
}
}
size_t total = 0;
bool has_more = true;
map<int, list<rgw_bi_log_entry>::iterator>::iterator viter;
map<int, list<rgw_bi_log_entry>::iterator>::iterator eiter;
while (total < max && has_more) {
has_more = false;
viter = vcurrents.begin();
eiter = vends.begin();
for (; total < max && viter != vcurrents.end(); ++viter, ++eiter) {
assert (eiter != vends.end());
int shard_id = viter->first;
list<rgw_bi_log_entry>::iterator& liter = viter->second;
if (liter == eiter->second){
continue;
}
rgw_bi_log_entry& entry = *(liter);
if (has_shards) {
char buf[16];
snprintf(buf, sizeof(buf), "%d", shard_id);
string tmp_id;
build_bucket_index_marker(buf, entry.id, &tmp_id);
entry.id.swap(tmp_id);
}
marker_mgr.add(shard_id, entry.id);
result.push_back(entry);
total++;
has_more = true;
++liter;
}
}
if (truncated) {
for (viter = vcurrents.begin(), eiter = vends.begin(); viter != vcurrents.end(); ++viter, ++eiter) {
assert (eiter != vends.end());
*truncated = (*truncated || (viter->second != eiter->second));
}
}
// Refresh marker, if there are multiple shards, the output will look like
// '{shard_oid_1}#{shard_marker_1},{shard_oid_2}#{shard_marker_2}...',
// if there is no sharding, the simply marker (without oid) is returned
if (has_shards) {
marker_mgr.to_string(&marker);
} else {
if (!result.empty()) {
marker = result.rbegin()->id;
}
}
return 0;
}
int RGWSI_BILog_RADOS::get_log_status(const DoutPrefixProvider *dpp,
const RGWBucketInfo& bucket_info,
int shard_id,
map<int, string> *markers,
optional_yield y)
{
vector<rgw_bucket_dir_header> headers;
map<int, string> bucket_instance_ids;
int r = svc.bi->cls_bucket_head(dpp, bucket_info, shard_id, &headers, &bucket_instance_ids, y);
if (r < 0)
return r;
ceph_assert(headers.size() == bucket_instance_ids.size());
auto iter = headers.begin();
map<int, string>::iterator viter = bucket_instance_ids.begin();
for(; iter != headers.end(); ++iter, ++viter) {
if (shard_id >= 0) {
(*markers)[shard_id] = iter->max_marker;
} else {
(*markers)[viter->first] = iter->max_marker;
}
}
return 0;
}
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