+++ /dev/null
-// -*- mode:C; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-
-#include "include/types.h"
-
-#include <errno.h>
-
-#include "objclass/objclass.h"
-#include "cls/rgw/cls_rgw_ops.h"
-#include "cls/rgw/cls_rgw_const.h"
-#include "common/Clock.h"
-#include "common/strtol.h"
-#include "common/escape.h"
-
-#include "include/compat.h"
-
-CLS_VER(1,0)
-CLS_NAME(rgw)
-
-
-#define BI_PREFIX_CHAR 0x80
-
-#define BI_BUCKET_OBJS_INDEX 0
-#define BI_BUCKET_LOG_INDEX 1
-#define BI_BUCKET_OBJ_INSTANCE_INDEX 2
-#define BI_BUCKET_OLH_DATA_INDEX 3
-
-#define BI_BUCKET_LAST_INDEX 4
-
-static string bucket_index_prefixes[] = { "", /* special handling for the objs list index */
- "0_", /* bucket log index */
- "1000_", /* obj instance index */
- "1001_", /* olh data index */
-
- /* this must be the last index */
- "9999_",};
-
-static bool bi_is_objs_index(const string& s) {
- return ((unsigned char)s[0] != BI_PREFIX_CHAR);
-}
-
-int bi_entry_type(const string& s)
-{
- if (bi_is_objs_index(s)) {
- return BI_BUCKET_OBJS_INDEX;
- }
-
- for (size_t i = 1;
- i < sizeof(bucket_index_prefixes) / sizeof(bucket_index_prefixes[0]);
- ++i) {
- const string& t = bucket_index_prefixes[i];
-
- if (s.compare(1, t.size(), t) == 0) {
- return i;
- }
- }
-
- return -EINVAL;
-}
-
-static bool bi_entry_gt(const string& first, const string& second)
-{
- int fi = bi_entry_type(first);
- int si = bi_entry_type(second);
-
- if (fi > si) {
- return true;
- } else if (fi < si) {
- return false;
- }
-
- return first > second;
-}
-
-static void get_time_key(real_time& ut, string *key)
-{
- char buf[32];
- ceph_timespec ts = ceph::real_clock::to_ceph_timespec(ut);
- snprintf(buf, 32, "%011llu.%09u", (unsigned long long)ts.tv_sec, (unsigned int)ts.tv_nsec);
- *key = buf;
-}
-
-static void get_index_ver_key(cls_method_context_t hctx, uint64_t index_ver, string *key)
-{
- char buf[48];
- snprintf(buf, sizeof(buf), "%011llu.%llu.%d", (unsigned long long)index_ver,
- (unsigned long long)cls_current_version(hctx),
- cls_current_subop_num(hctx));
- *key = buf;
-}
-
-static void bi_log_prefix(string& key)
-{
- key = BI_PREFIX_CHAR;
- key.append(bucket_index_prefixes[BI_BUCKET_LOG_INDEX]);
-}
-
-static void bi_log_index_key(cls_method_context_t hctx, string& key, string& id, uint64_t index_ver)
-{
- bi_log_prefix(key);
- get_index_ver_key(hctx, index_ver, &id);
- key.append(id);
-}
-
-static int log_index_operation(cls_method_context_t hctx, cls_rgw_obj_key& obj_key, RGWModifyOp op,
- string& tag, real_time& timestamp,
- rgw_bucket_entry_ver& ver, RGWPendingState state, uint64_t index_ver,
- string& max_marker, uint16_t bilog_flags, string *owner, string *owner_display_name, rgw_zone_set *zones_trace)
-{
- bufferlist bl;
-
- struct rgw_bi_log_entry entry;
-
- entry.object = obj_key.name;
- entry.instance = obj_key.instance;
- entry.timestamp = timestamp;
- entry.op = op;
- entry.ver = ver;
- entry.state = state;
- entry.index_ver = index_ver;
- entry.tag = tag;
- entry.bilog_flags = bilog_flags;
- if (owner) {
- entry.owner = *owner;
- }
- if (owner_display_name) {
- entry.owner_display_name = *owner_display_name;
- }
- if (zones_trace) {
- entry.zones_trace = std::move(*zones_trace);
- }
-
- string key;
- bi_log_index_key(hctx, key, entry.id, index_ver);
-
- ::encode(entry, bl);
-
- if (entry.id > max_marker)
- max_marker = entry.id;
-
- return cls_cxx_map_set_val(hctx, key, &bl);
-}
-
-/*
- * read list of objects, skips objects in the ugly namespace
- */
-static int get_obj_vals(cls_method_context_t hctx, const string& start, const string& filter_prefix,
- int num_entries, map<string, bufferlist> *pkeys, bool *pmore)
-{
- int ret = cls_cxx_map_get_vals(hctx, start, filter_prefix, num_entries, pkeys, pmore);
- if (ret < 0)
- return ret;
-
- if (pkeys->empty())
- return 0;
-
- map<string, bufferlist>::reverse_iterator last_element = pkeys->rbegin();
- if ((unsigned char)last_element->first[0] < BI_PREFIX_CHAR) {
- /* nothing to see here, move along */
- return 0;
- }
-
- map<string, bufferlist>::iterator first_element = pkeys->begin();
- if ((unsigned char)first_element->first[0] > BI_PREFIX_CHAR) {
- return 0;
- }
-
- /* let's rebuild the list, only keep entries we're interested in */
- map<string, bufferlist> old_keys;
- old_keys.swap(*pkeys);
-
- for (map<string, bufferlist>::iterator iter = old_keys.begin(); iter != old_keys.end(); ++iter) {
- if ((unsigned char)iter->first[0] != BI_PREFIX_CHAR) {
- (*pkeys)[iter->first] = iter->second;
- }
- }
-
- if (num_entries == (int)pkeys->size())
- return 0;
-
- map<string, bufferlist> new_keys;
- char c[] = { (char)(BI_PREFIX_CHAR + 1), 0 };
- string new_start = c;
-
- /* now get some more keys */
- ret = cls_cxx_map_get_vals(hctx, new_start, filter_prefix, num_entries - pkeys->size(), &new_keys, pmore);
- if (ret < 0)
- return ret;
-
- for (map<string, bufferlist>::iterator iter = new_keys.begin(); iter != new_keys.end(); ++iter) {
- (*pkeys)[iter->first] = iter->second;
- }
-
- return 0;
-}
-
-/*
- * get a monotonically decreasing string representation.
- * For num = x, num = y, where x > y, str(x) < str(y)
- * Another property is that string size starts short and grows as num increases
- */
-static void decreasing_str(uint64_t num, string *str)
-{
- char buf[32];
- if (num < 0x10) { /* 16 */
- snprintf(buf, sizeof(buf), "9%02lld", 15 - (long long)num);
- } else if (num < 0x100) { /* 256 */
- snprintf(buf, sizeof(buf), "8%03lld", 255 - (long long)num);
- } else if (num < 0x1000) /* 4096 */ {
- snprintf(buf, sizeof(buf), "7%04lld", 4095 - (long long)num);
- } else if (num < 0x10000) /* 65536 */ {
- snprintf(buf, sizeof(buf), "6%05lld", 65535 - (long long)num);
- } else if (num < 0x100000000) /* 4G */ {
- snprintf(buf, sizeof(buf), "5%010lld", 0xFFFFFFFF - (long long)num);
- } else {
- snprintf(buf, sizeof(buf), "4%020lld", (long long)-num);
- }
-
- *str = buf;
-}
-
-/*
- * we now hold two different indexes for objects. The first one holds the list of objects in the
- * order that we want them to be listed. The second one only holds the objects instances (for
- * versioned objects), and they're not arranged in any particular order.
- * When listing objects we'll use the first index, when doing operations on the objects themselves
- * we'll use the second index. Note that regular objects only map to the first index anyway
- */
-
-static void get_list_index_key(struct rgw_bucket_dir_entry& entry, string *index_key)
-{
- *index_key = entry.key.name;
-
- string ver_str;
- decreasing_str(entry.versioned_epoch, &ver_str);
- string instance_delim("\0i", 2);
- string ver_delim("\0v", 2);
-
- index_key->append(ver_delim);
- index_key->append(ver_str);
- index_key->append(instance_delim);
- index_key->append(entry.key.instance);
-}
-
-static void encode_obj_versioned_data_key(const cls_rgw_obj_key& key, string *index_key, bool append_delete_marker_suffix = false)
-{
- *index_key = BI_PREFIX_CHAR;
- index_key->append(bucket_index_prefixes[BI_BUCKET_OBJ_INSTANCE_INDEX]);
- index_key->append(key.name);
- string delim("\0i", 2);
- index_key->append(delim);
- index_key->append(key.instance);
- if (append_delete_marker_suffix) {
- string dm("\0d", 2);
- index_key->append(dm);
- }
-}
-
-static void encode_obj_index_key(const cls_rgw_obj_key& key, string *index_key)
-{
- if (key.instance.empty()) {
- *index_key = key.name;
- } else {
- encode_obj_versioned_data_key(key, index_key);
- }
-}
-
-static void encode_olh_data_key(const cls_rgw_obj_key& key, string *index_key)
-{
- *index_key = BI_PREFIX_CHAR;
- index_key->append(bucket_index_prefixes[BI_BUCKET_OLH_DATA_INDEX]);
- index_key->append(key.name);
-}
-
-template <class T>
-static int read_index_entry(cls_method_context_t hctx, string& name, T *entry);
-
-static int encode_list_index_key(cls_method_context_t hctx, const cls_rgw_obj_key& key, string *index_key)
-{
- if (key.instance.empty()) {
- *index_key = key.name;
- return 0;
- }
-
- string obj_index_key;
- encode_obj_index_key(key, &obj_index_key);
-
- rgw_bucket_dir_entry entry;
-
- int ret = read_index_entry(hctx, obj_index_key, &entry);
- if (ret == -ENOENT) {
- /* couldn't find the entry, set key value after the current object */
- char buf[2] = { 0x1, 0 };
- string s(buf);
- *index_key = key.name + s;
- return 0;
- }
- if (ret < 0) {
- CLS_LOG(1, "ERROR: encode_list_index_key(): cls_cxx_map_get_val returned %d\n", ret);
- return ret;
- }
-
- get_list_index_key(entry, index_key);
-
- return 0;
-}
-
-static void split_key(const string& key, list<string>& vals)
-{
- size_t pos = 0;
- const char *p = key.c_str();
- while (pos < key.size()) {
- size_t len = strlen(p);
- vals.push_back(p);
- pos += len + 1;
- p += len + 1;
- }
-}
-
-/*
- * list index key structure:
- *
- * <obj name>\0[v<ver>\0i<instance id>]
- */
-static void decode_list_index_key(const string& index_key, cls_rgw_obj_key *key, uint64_t *ver)
-{
- size_t len = strlen(index_key.c_str());
-
- key->instance.clear();
- *ver = 0;
-
- if (len == index_key.size()) {
- key->name = index_key;
- return;
- }
-
- list<string> vals;
- split_key(index_key, vals);
-
- assert(!vals.empty());
-
- list<string>::iterator iter = vals.begin();
- key->name = *iter;
- ++iter;
-
- assert(iter != vals.end());
-
- for (; iter != vals.end(); ++iter) {
- string& val = *iter;
- if (val[0] == 'i') {
- key->instance = val.substr(1);
- } else if (val[0] == 'v') {
- string err;
- const char *s = val.c_str() + 1;
- *ver = strict_strtoll(s, 10, &err);
- assert(err.empty());
- }
- }
-}
-
-static int read_bucket_header(cls_method_context_t hctx, struct rgw_bucket_dir_header *header)
-{
- bufferlist bl;
- int rc = cls_cxx_map_read_header(hctx, &bl);
- if (rc < 0)
- return rc;
-
- if (bl.length() == 0) {
- *header = rgw_bucket_dir_header();
- return 0;
- }
- bufferlist::iterator iter = bl.begin();
- try {
- ::decode(*header, iter);
- } catch (buffer::error& err) {
- CLS_LOG(1, "ERROR: read_bucket_header(): failed to decode header\n");
- return -EIO;
- }
-
- return 0;
-}
-
-int rgw_bucket_list(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- bufferlist::iterator iter = in->begin();
-
- struct rgw_cls_list_op op;
- try {
- ::decode(op, iter);
- } catch (buffer::error& err) {
- CLS_LOG(1, "ERROR: rgw_bucket_list(): failed to decode request\n");
- return -EINVAL;
- }
-
- struct rgw_cls_list_ret ret;
- struct rgw_bucket_dir& new_dir = ret.dir;
- int rc = read_bucket_header(hctx, &new_dir.header);
- if (rc < 0) {
- CLS_LOG(1, "ERROR: rgw_bucket_list(): failed to read header\n");
- return rc;
- }
-
- map<string, bufferlist> keys;
- std::map<string, bufferlist>::iterator kiter;
- string start_key;
- encode_list_index_key(hctx, op.start_obj, &start_key);
- bool done = false;
- uint32_t left_to_read = op.num_entries;
- bool more;
-
- do {
- rc = get_obj_vals(hctx, start_key, op.filter_prefix, left_to_read, &keys, &more);
- if (rc < 0)
- return rc;
-
- std::map<string, struct rgw_bucket_dir_entry>& m = new_dir.m;
-
- done = keys.empty();
-
- for (kiter = keys.begin(); kiter != keys.end(); ++kiter) {
- struct rgw_bucket_dir_entry entry;
-
- if (!bi_is_objs_index(kiter->first)) {
- done = true;
- break;
- }
-
- bufferlist& entrybl = kiter->second;
- bufferlist::iterator eiter = entrybl.begin();
- try {
- ::decode(entry, eiter);
- } catch (buffer::error& err) {
- CLS_LOG(1, "ERROR: rgw_bucket_list(): failed to decode entry, key=%s\n", kiter->first.c_str());
- return -EINVAL;
- }
-
- cls_rgw_obj_key key;
- uint64_t ver;
- decode_list_index_key(kiter->first, &key, &ver);
-
- start_key = kiter->first;
- CLS_LOG(20, "start_key=%s len=%zu", start_key.c_str(), start_key.size());
-
- if (!entry.is_valid()) {
- CLS_LOG(20, "entry %s[%s] is not valid\n", key.name.c_str(), key.instance.c_str());
- continue;
- }
-
- // filter out noncurrent versions, delete markers, and initial marker
- if (!op.list_versions && (!entry.is_visible() || op.start_obj.name == key.name)) {
- CLS_LOG(20, "entry %s[%s] is not visible\n", key.name.c_str(), key.instance.c_str());
- continue;
- }
- if (m.size() < op.num_entries) {
- m[kiter->first] = entry;
- }
- left_to_read--;
-
- CLS_LOG(20, "got entry %s[%s] m.size()=%d\n", key.name.c_str(), key.instance.c_str(), (int)m.size());
- }
- } while (left_to_read > 0 && !done);
-
- ret.is_truncated = more && !done;
-
- ::encode(ret, *out);
- return 0;
-}
-
-static int check_index(cls_method_context_t hctx, struct rgw_bucket_dir_header *existing_header, struct rgw_bucket_dir_header *calc_header)
-{
- int rc = read_bucket_header(hctx, existing_header);
- if (rc < 0) {
- CLS_LOG(1, "ERROR: check_index(): failed to read header\n");
- return rc;
- }
-
- calc_header->tag_timeout = existing_header->tag_timeout;
- calc_header->ver = existing_header->ver;
-
- map<string, bufferlist> keys;
- string start_obj;
- string filter_prefix;
-
-#define CHECK_CHUNK_SIZE 1000
- bool done = false;
- bool more;
-
- do {
- rc = get_obj_vals(hctx, start_obj, filter_prefix, CHECK_CHUNK_SIZE, &keys, &more);
- if (rc < 0)
- return rc;
-
- std::map<string, bufferlist>::iterator kiter = keys.begin();
- for (; kiter != keys.end(); ++kiter) {
- if (!bi_is_objs_index(kiter->first)) {
- done = true;
- break;
- }
-
- struct rgw_bucket_dir_entry entry;
- bufferlist::iterator eiter = kiter->second.begin();
- try {
- ::decode(entry, eiter);
- } catch (buffer::error& err) {
- CLS_LOG(1, "ERROR: rgw_bucket_list(): failed to decode entry, key=%s\n", kiter->first.c_str());
- return -EIO;
- }
- struct rgw_bucket_category_stats& stats = calc_header->stats[entry.meta.category];
- stats.num_entries++;
- stats.total_size += entry.meta.accounted_size;
- stats.total_size_rounded += cls_rgw_get_rounded_size(entry.meta.accounted_size);
- stats.actual_size += entry.meta.size;
-
- start_obj = kiter->first;
- }
- } while (keys.size() == CHECK_CHUNK_SIZE && !done);
-
- return 0;
-}
-
-int rgw_bucket_check_index(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- struct rgw_cls_check_index_ret ret;
-
- int rc = check_index(hctx, &ret.existing_header, &ret.calculated_header);
- if (rc < 0)
- return rc;
-
- ::encode(ret, *out);
-
- return 0;
-}
-
-static int write_bucket_header(cls_method_context_t hctx, struct rgw_bucket_dir_header *header)
-{
- header->ver++;
-
- bufferlist header_bl;
- ::encode(*header, header_bl);
- return cls_cxx_map_write_header(hctx, &header_bl);
-}
-
-
-int rgw_bucket_rebuild_index(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- struct rgw_bucket_dir_header existing_header;
- struct rgw_bucket_dir_header calc_header;
- int rc = check_index(hctx, &existing_header, &calc_header);
- if (rc < 0)
- return rc;
-
- return write_bucket_header(hctx, &calc_header);
-}
-
-int rgw_bucket_update_stats(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- // decode request
- rgw_cls_bucket_update_stats_op op;
- auto iter = in->begin();
- try {
- ::decode(op, iter);
- } catch (buffer::error& err) {
- CLS_LOG(1, "ERROR: %s(): failed to decode request\n", __func__);
- return -EINVAL;
- }
-
- struct rgw_bucket_dir_header header;
- int rc = read_bucket_header(hctx, &header);
- if (rc < 0) {
- CLS_LOG(1, "ERROR: %s(): failed to read header\n", __func__);
- return rc;
- }
-
- for (auto& s : op.stats) {
- auto& dest = header.stats[s.first];
- if (op.absolute) {
- dest = s.second;
- } else {
- dest.total_size += s.second.total_size;
- dest.total_size_rounded += s.second.total_size_rounded;
- dest.num_entries += s.second.num_entries;
- }
- }
-
- return write_bucket_header(hctx, &header);
-}
-
-int rgw_bucket_init_index(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- bufferlist::iterator iter;
-
- bufferlist header_bl;
- int rc = cls_cxx_map_read_header(hctx, &header_bl);
- if (rc < 0) {
- switch (rc) {
- case -ENODATA:
- case -ENOENT:
- break;
- default:
- return rc;
- }
- }
-
- if (header_bl.length() != 0) {
- CLS_LOG(1, "ERROR: index already initialized\n");
- return -EINVAL;
- }
-
- rgw_bucket_dir dir;
-
- return write_bucket_header(hctx, &dir.header);
-}
-
-int rgw_bucket_set_tag_timeout(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- // decode request
- rgw_cls_tag_timeout_op op;
- bufferlist::iterator iter = in->begin();
- try {
- ::decode(op, iter);
- } catch (buffer::error& err) {
- CLS_LOG(1, "ERROR: rgw_bucket_set_tag_timeout(): failed to decode request\n");
- return -EINVAL;
- }
-
- struct rgw_bucket_dir_header header;
- int rc = read_bucket_header(hctx, &header);
- if (rc < 0) {
- CLS_LOG(1, "ERROR: rgw_bucket_set_tag_timeout(): failed to read header\n");
- return rc;
- }
-
- header.tag_timeout = op.tag_timeout;
-
- return write_bucket_header(hctx, &header);
-}
-
-static int read_key_entry(cls_method_context_t hctx, cls_rgw_obj_key& key, string *idx, struct rgw_bucket_dir_entry *entry,
- bool special_delete_marker_name = false);
-
-int rgw_bucket_prepare_op(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- // decode request
- rgw_cls_obj_prepare_op op;
- bufferlist::iterator iter = in->begin();
- try {
- ::decode(op, iter);
- } catch (buffer::error& err) {
- CLS_LOG(1, "ERROR: rgw_bucket_prepare_op(): failed to decode request\n");
- return -EINVAL;
- }
-
- if (op.tag.empty()) {
- CLS_LOG(1, "ERROR: tag is empty\n");
- return -EINVAL;
- }
-
- CLS_LOG(1, "rgw_bucket_prepare_op(): request: op=%d name=%s instance=%s tag=%s\n",
- op.op, op.key.name.c_str(), op.key.instance.c_str(), op.tag.c_str());
-
- // get on-disk state
- string idx;
-
- struct rgw_bucket_dir_entry entry;
- int rc = read_key_entry(hctx, op.key, &idx, &entry);
- if (rc < 0 && rc != -ENOENT)
- return rc;
-
- bool noent = (rc == -ENOENT);
-
- rc = 0;
-
- if (noent) { // no entry, initialize fields
- entry.key = op.key;
- entry.ver = rgw_bucket_entry_ver();
- entry.exists = false;
- entry.locator = op.locator;
- }
-
- // fill in proper state
- struct rgw_bucket_pending_info info;
- info.timestamp = real_clock::now();
- info.state = CLS_RGW_STATE_PENDING_MODIFY;
- info.op = op.op;
- entry.pending_map.insert(pair<string, rgw_bucket_pending_info>(op.tag, info));
-
- struct rgw_bucket_dir_header header;
- rc = read_bucket_header(hctx, &header);
- if (rc < 0) {
- CLS_LOG(1, "ERROR: rgw_bucket_prepare_op(): failed to read header\n");
- return rc;
- }
-
- if (op.log_op && !header.syncstopped) {
- rc = log_index_operation(hctx, op.key, op.op, op.tag, entry.meta.mtime,
- entry.ver, info.state, header.ver, header.max_marker, op.bilog_flags, NULL, NULL, &op.zones_trace);
- if (rc < 0)
- return rc;
- }
-
- // write out new key to disk
- bufferlist info_bl;
- ::encode(entry, info_bl);
- rc = cls_cxx_map_set_val(hctx, idx, &info_bl);
- if (rc < 0)
- return rc;
-
- return write_bucket_header(hctx, &header);
-}
-
-static void unaccount_entry(struct rgw_bucket_dir_header& header, struct rgw_bucket_dir_entry& entry)
-{
- struct rgw_bucket_category_stats& stats = header.stats[entry.meta.category];
- stats.num_entries--;
- stats.total_size -= entry.meta.accounted_size;
- stats.total_size_rounded -= cls_rgw_get_rounded_size(entry.meta.accounted_size);
- stats.actual_size -= entry.meta.size;
-}
-
-static void log_entry(const char *func, const char *str, struct rgw_bucket_dir_entry *entry)
-{
- CLS_LOG(1, "%s(): %s: ver=%ld:%llu name=%s instance=%s locator=%s\n", func, str,
- (long)entry->ver.pool, (unsigned long long)entry->ver.epoch,
- entry->key.name.c_str(), entry->key.instance.c_str(), entry->locator.c_str());
-}
-
-static void log_entry(const char *func, const char *str, struct rgw_bucket_olh_entry *entry)
-{
- CLS_LOG(1, "%s(): %s: epoch=%llu name=%s instance=%s tag=%s\n", func, str,
- (unsigned long long)entry->epoch, entry->key.name.c_str(), entry->key.instance.c_str(),
- entry->tag.c_str());
-}
-
-template <class T>
-static int read_index_entry(cls_method_context_t hctx, string& name, T *entry)
-{
- bufferlist current_entry;
- int rc = cls_cxx_map_get_val(hctx, name, ¤t_entry);
- if (rc < 0) {
- return rc;
- }
-
- bufferlist::iterator cur_iter = current_entry.begin();
- try {
- ::decode(*entry, cur_iter);
- } catch (buffer::error& err) {
- CLS_LOG(1, "ERROR: read_index_entry(): failed to decode entry\n");
- return -EIO;
- }
-
- log_entry(__func__, "existing entry", entry);
- return 0;
-}
-
-static int read_key_entry(cls_method_context_t hctx, cls_rgw_obj_key& key, string *idx, struct rgw_bucket_dir_entry *entry,
- bool special_delete_marker_name)
-{
- encode_obj_index_key(key, idx);
- int rc = read_index_entry(hctx, *idx, entry);
- if (rc < 0) {
- return rc;
- }
-
- if (key.instance.empty() &&
- entry->flags & RGW_BUCKET_DIRENT_FLAG_VER_MARKER) {
- /* we only do it where key.instance is empty. In this case the delete marker will have a
- * separate entry in the index to avoid collisions with the actual object, as it's mutable
- */
- if (special_delete_marker_name) {
- encode_obj_versioned_data_key(key, idx, true);
- rc = read_index_entry(hctx, *idx, entry);
- if (rc == 0) {
- return 0;
- }
- }
- encode_obj_versioned_data_key(key, idx);
- rc = read_index_entry(hctx, *idx, entry);
- if (rc < 0) {
- *entry = rgw_bucket_dir_entry(); /* need to reset entry because we initialized it earlier */
- return rc;
- }
- }
-
- return 0;
-}
-
-int rgw_bucket_complete_op(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- // decode request
- rgw_cls_obj_complete_op op;
- bufferlist::iterator iter = in->begin();
- try {
- ::decode(op, iter);
- } catch (buffer::error& err) {
- CLS_LOG(1, "ERROR: rgw_bucket_complete_op(): failed to decode request\n");
- return -EINVAL;
- }
- CLS_LOG(1, "rgw_bucket_complete_op(): request: op=%d name=%s instance=%s ver=%lu:%llu tag=%s\n",
- op.op, op.key.name.c_str(), op.key.instance.c_str(),
- (unsigned long)op.ver.pool, (unsigned long long)op.ver.epoch,
- op.tag.c_str());
-
- struct rgw_bucket_dir_header header;
- int rc = read_bucket_header(hctx, &header);
- if (rc < 0) {
- CLS_LOG(1, "ERROR: rgw_bucket_complete_op(): failed to read header\n");
- return -EINVAL;
- }
-
- struct rgw_bucket_dir_entry entry;
- bool ondisk = true;
-
- string idx;
- rc = read_key_entry(hctx, op.key, &idx, &entry);
- if (rc == -ENOENT) {
- entry.key = op.key;
- entry.ver = op.ver;
- entry.meta = op.meta;
- entry.locator = op.locator;
- ondisk = false;
- } else if (rc < 0) {
- return rc;
- }
-
- entry.index_ver = header.ver;
- entry.flags = (entry.key.instance.empty() ? 0 : RGW_BUCKET_DIRENT_FLAG_VER); /* resetting entry flags, entry might have been previously a delete marker */
-
- if (op.tag.size()) {
- map<string, struct rgw_bucket_pending_info>::iterator pinter = entry.pending_map.find(op.tag);
- if (pinter == entry.pending_map.end()) {
- CLS_LOG(1, "ERROR: couldn't find tag for pending operation\n");
- return -EINVAL;
- }
- entry.pending_map.erase(pinter);
- }
-
- bool cancel = false;
- bufferlist update_bl;
-
- if (op.tag.size() && op.op == CLS_RGW_OP_CANCEL) {
- CLS_LOG(1, "rgw_bucket_complete_op(): cancel requested\n");
- cancel = true;
- } else if (op.ver.pool == entry.ver.pool &&
- op.ver.epoch && op.ver.epoch <= entry.ver.epoch) {
- CLS_LOG(1, "rgw_bucket_complete_op(): skipping request, old epoch\n");
- cancel = true;
- }
-
- bufferlist op_bl;
- if (cancel) {
- if (op.log_op && !header.syncstopped) {
- rc = log_index_operation(hctx, op.key, op.op, op.tag, entry.meta.mtime, entry.ver,
- CLS_RGW_STATE_COMPLETE, header.ver, header.max_marker, op.bilog_flags, NULL, NULL, &op.zones_trace);
- if (rc < 0)
- return rc;
- }
-
- if (op.tag.size()) {
- bufferlist new_key_bl;
- ::encode(entry, new_key_bl);
- return cls_cxx_map_set_val(hctx, idx, &new_key_bl);
- } else {
- return 0;
- }
- }
-
- if (entry.exists) {
- unaccount_entry(header, entry);
- }
-
- entry.ver = op.ver;
- switch ((int)op.op) {
- case CLS_RGW_OP_DEL:
- entry.meta = op.meta;
- if (ondisk) {
- if (!entry.pending_map.size()) {
- int ret = cls_cxx_map_remove_key(hctx, idx);
- if (ret < 0)
- return ret;
- } else {
- entry.exists = false;
- bufferlist new_key_bl;
- ::encode(entry, new_key_bl);
- int ret = cls_cxx_map_set_val(hctx, idx, &new_key_bl);
- if (ret < 0)
- return ret;
- }
- } else {
- return -ENOENT;
- }
- break;
- case CLS_RGW_OP_ADD:
- {
- struct rgw_bucket_dir_entry_meta& meta = op.meta;
- struct rgw_bucket_category_stats& stats = header.stats[meta.category];
- entry.meta = meta;
- entry.key = op.key;
- entry.exists = true;
- entry.tag = op.tag;
- stats.num_entries++;
- stats.total_size += meta.accounted_size;
- stats.total_size_rounded += cls_rgw_get_rounded_size(meta.accounted_size);
- stats.actual_size += meta.size;
- bufferlist new_key_bl;
- ::encode(entry, new_key_bl);
- int ret = cls_cxx_map_set_val(hctx, idx, &new_key_bl);
- if (ret < 0)
- return ret;
- }
- break;
- }
-
- if (op.log_op && !header.syncstopped) {
- rc = log_index_operation(hctx, op.key, op.op, op.tag, entry.meta.mtime, entry.ver,
- CLS_RGW_STATE_COMPLETE, header.ver, header.max_marker, op.bilog_flags, NULL, NULL, &op.zones_trace);
- if (rc < 0)
- return rc;
- }
-
- list<cls_rgw_obj_key>::iterator remove_iter;
- CLS_LOG(20, "rgw_bucket_complete_op(): remove_objs.size()=%d\n", (int)op.remove_objs.size());
- for (remove_iter = op.remove_objs.begin(); remove_iter != op.remove_objs.end(); ++remove_iter) {
- cls_rgw_obj_key& remove_key = *remove_iter;
- CLS_LOG(1, "rgw_bucket_complete_op(): removing entries, read_index_entry name=%s instance=%s\n",
- remove_key.name.c_str(), remove_key.instance.c_str());
- struct rgw_bucket_dir_entry remove_entry;
- string k;
- int ret = read_key_entry(hctx, remove_key, &k, &remove_entry);
- if (ret < 0) {
- CLS_LOG(1, "rgw_bucket_complete_op(): removing entries, read_index_entry name=%s instance=%s ret=%d\n",
- remove_key.name.c_str(), remove_key.instance.c_str(), ret);
- continue;
- }
- CLS_LOG(0, "rgw_bucket_complete_op(): entry.name=%s entry.instance=%s entry.meta.category=%d\n",
- remove_entry.key.name.c_str(), remove_entry.key.instance.c_str(), remove_entry.meta.category);
- unaccount_entry(header, remove_entry);
-
- if (op.log_op && !header.syncstopped) {
- ++header.ver; // increment index version, or we'll overwrite keys previously written
- rc = log_index_operation(hctx, remove_key, CLS_RGW_OP_DEL, op.tag, remove_entry.meta.mtime,
- remove_entry.ver, CLS_RGW_STATE_COMPLETE, header.ver, header.max_marker, op.bilog_flags, NULL, NULL, &op.zones_trace);
- if (rc < 0)
- continue;
- }
-
- ret = cls_cxx_map_remove_key(hctx, k);
- if (ret < 0) {
- CLS_LOG(1, "rgw_bucket_complete_op(): cls_cxx_map_remove_key, failed to remove entry, name=%s instance=%s read_index_entry ret=%d\n", remove_key.name.c_str(), remove_key.instance.c_str(), rc);
- continue;
- }
- }
-
- return write_bucket_header(hctx, &header);
-}
-
-template <class T>
-static int write_entry(cls_method_context_t hctx, T& entry, const string& key)
-{
- bufferlist bl;
- ::encode(entry, bl);
- return cls_cxx_map_set_val(hctx, key, &bl);
-}
-
-static int read_olh(cls_method_context_t hctx,cls_rgw_obj_key& obj_key, struct rgw_bucket_olh_entry *olh_data_entry, string *index_key, bool *found)
-{
- cls_rgw_obj_key olh_key;
- olh_key.name = obj_key.name;
-
- encode_olh_data_key(olh_key, index_key);
- int ret = read_index_entry(hctx, *index_key, olh_data_entry);
- if (ret < 0 && ret != -ENOENT) {
- CLS_LOG(0, "ERROR: read_index_entry() olh_key=%s ret=%d", olh_key.name.c_str(), ret);
- return ret;
- }
- if (found) {
- *found = (ret != -ENOENT);
- }
- return 0;
-}
-
-static void update_olh_log(struct rgw_bucket_olh_entry& olh_data_entry, OLHLogOp op, const string& op_tag,
- cls_rgw_obj_key& key, bool delete_marker, uint64_t epoch)
-{
- vector<rgw_bucket_olh_log_entry>& log = olh_data_entry.pending_log[olh_data_entry.epoch];
- rgw_bucket_olh_log_entry log_entry;
- log_entry.epoch = epoch;
- log_entry.op = op;
- log_entry.op_tag = op_tag;
- log_entry.key = key;
- log_entry.delete_marker = delete_marker;
- log.push_back(log_entry);
-}
-
-static string escape_str(const string& s)
-{
- int len = escape_json_attr_len(s.c_str(), s.size());
- char escaped[len];
- escape_json_attr(s.c_str(), s.size(), escaped);
- return string(escaped);
-}
-
-static int write_obj_instance_entry(cls_method_context_t hctx, struct rgw_bucket_dir_entry& instance_entry, const string& instance_idx)
-{
- CLS_LOG(20, "write_entry() instance=%s idx=%s flags=%d", escape_str(instance_entry.key.instance).c_str(), instance_idx.c_str(), instance_entry.flags);
- /* write the instance entry */
- int ret = write_entry(hctx, instance_entry, instance_idx);
- if (ret < 0) {
- CLS_LOG(0, "ERROR: write_entry() instance_key=%s ret=%d", escape_str(instance_idx).c_str(), ret);
- return ret;
- }
- return 0;
-}
-
-/*
- * write object instance entry, and if needed also the list entry
- */
-static int write_obj_entries(cls_method_context_t hctx, struct rgw_bucket_dir_entry& instance_entry, const string& instance_idx)
-{
- int ret = write_obj_instance_entry(hctx, instance_entry, instance_idx);
- if (ret < 0) {
- return ret;
- }
- string instance_list_idx;
- get_list_index_key(instance_entry, &instance_list_idx);
-
- if (instance_idx != instance_list_idx) {
- CLS_LOG(20, "write_entry() idx=%s flags=%d", escape_str(instance_list_idx).c_str(), instance_entry.flags);
- /* write a new list entry for the object instance */
- ret = write_entry(hctx, instance_entry, instance_list_idx);
- if (ret < 0) {
- CLS_LOG(0, "ERROR: write_entry() instance=%s instance_list_idx=%s ret=%d", instance_entry.key.instance.c_str(), instance_list_idx.c_str(), ret);
- return ret;
- }
- }
- return 0;
-}
-
-
-class BIVerObjEntry {
- cls_method_context_t hctx;
- cls_rgw_obj_key key;
- string instance_idx;
-
- struct rgw_bucket_dir_entry instance_entry;
-
- bool initialized;
-
-public:
- BIVerObjEntry(cls_method_context_t& _hctx, const cls_rgw_obj_key& _key) : hctx(_hctx), key(_key), initialized(false) {
- }
-
- int init(bool check_delete_marker = true) {
- int ret = read_key_entry(hctx, key, &instance_idx, &instance_entry,
- check_delete_marker && key.instance.empty()); /* this is potentially a delete marker, for null objects we
- keep separate instance entry for the delete markers */
-
- if (ret < 0) {
- CLS_LOG(0, "ERROR: read_key_entry() idx=%s ret=%d", instance_idx.c_str(), ret);
- return ret;
- }
- initialized = true;
- CLS_LOG(20, "read instance_entry key.name=%s key.instance=%s flags=%d", instance_entry.key.name.c_str(), instance_entry.key.instance.c_str(), instance_entry.flags);
- return 0;
- }
-
- rgw_bucket_dir_entry& get_dir_entry() {
- return instance_entry;
- }
-
- void init_as_delete_marker(rgw_bucket_dir_entry_meta& meta) {
- /* a deletion marker, need to initialize it, there's no instance entry for it yet */
- instance_entry.key = key;
- instance_entry.flags = RGW_BUCKET_DIRENT_FLAG_DELETE_MARKER;
- instance_entry.meta = meta;
- instance_entry.tag = "delete-marker";
-
- initialized = true;
- }
-
- void set_epoch(uint64_t epoch) {
- instance_entry.versioned_epoch = epoch;
- }
-
- int unlink_list_entry() {
- string list_idx;
- /* this instance has a previous list entry, remove that entry */
- get_list_index_key(instance_entry, &list_idx);
- CLS_LOG(20, "unlink_list_entry() list_idx=%s", escape_str(list_idx).c_str());
- int ret = cls_cxx_map_remove_key(hctx, list_idx);
- if (ret < 0) {
- CLS_LOG(0, "ERROR: cls_cxx_map_remove_key() list_idx=%s ret=%d", list_idx.c_str(), ret);
- return ret;
- }
- return 0;
- }
-
- int unlink() {
- /* remove the instance entry */
- CLS_LOG(20, "unlink() idx=%s", escape_str(instance_idx).c_str());
- int ret = cls_cxx_map_remove_key(hctx, instance_idx);
- if (ret < 0) {
- CLS_LOG(0, "ERROR: cls_cxx_map_remove_key() instance_idx=%s ret=%d", instance_idx.c_str(), ret);
- return ret;
- }
- return 0;
- }
-
- int write_entries(uint64_t flags_set, uint64_t flags_reset) {
- if (!initialized) {
- int ret = init();
- if (ret < 0) {
- return ret;
- }
- }
- instance_entry.flags &= ~flags_reset;
- instance_entry.flags |= flags_set;
-
- /* write the instance and list entries */
- bool special_delete_marker_key = (instance_entry.is_delete_marker() && instance_entry.key.instance.empty());
- encode_obj_versioned_data_key(key, &instance_idx, special_delete_marker_key);
- int ret = write_obj_entries(hctx, instance_entry, instance_idx);
- if (ret < 0) {
- CLS_LOG(0, "ERROR: write_obj_entries() instance_idx=%s ret=%d", instance_idx.c_str(), ret);
- return ret;
- }
-
- return 0;
- }
-
- int write(uint64_t epoch, bool current) {
- if (instance_entry.versioned_epoch > 0) {
- CLS_LOG(20, "%s(): instance_entry.versioned_epoch=%d epoch=%d", __func__, (int)instance_entry.versioned_epoch, (int)epoch);
- /* this instance has a previous list entry, remove that entry */
- int ret = unlink_list_entry();
- if (ret < 0) {
- return ret;
- }
- }
-
- uint64_t flags = RGW_BUCKET_DIRENT_FLAG_VER;
- if (current) {
- flags |= RGW_BUCKET_DIRENT_FLAG_CURRENT;
- }
-
- instance_entry.versioned_epoch = epoch;
- return write_entries(flags, 0);
- }
-
- int demote_current() {
- return write_entries(0, RGW_BUCKET_DIRENT_FLAG_CURRENT);
- }
-
- bool is_delete_marker() {
- return instance_entry.is_delete_marker();
- }
-
- int find_next_key(cls_rgw_obj_key *next_key, bool *found) {
- string list_idx;
- /* this instance has a previous list entry, remove that entry */
- get_list_index_key(instance_entry, &list_idx);
- /* this is the current head, need to update! */
- map<string, bufferlist> keys;
- bool more;
- string filter = key.name; /* list key starts with key name, filter it to avoid a case where we cross to
- different namespace */
- int ret = cls_cxx_map_get_vals(hctx, list_idx, filter, 1, &keys, &more);
- if (ret < 0) {
- return ret;
- }
-
- if (keys.size() < 1) {
- *found = false;
- return 0;
- }
-
- rgw_bucket_dir_entry next_entry;
-
- map<string, bufferlist>::reverse_iterator last = keys.rbegin();
- try {
- bufferlist::iterator iter = last->second.begin();
- ::decode(next_entry, iter);
- } catch (buffer::error& err) {
- CLS_LOG(0, "ERROR; failed to decode entry: %s", last->first.c_str());
- return -EIO;
- }
-
- *found = (key.name == next_entry.key.name);
- if (*found) {
- *next_key = next_entry.key;
- }
-
- return 0;
- }
-
- real_time mtime() {
- return instance_entry.meta.mtime;
- }
-};
-
-
-class BIOLHEntry {
- cls_method_context_t hctx;
- cls_rgw_obj_key key;
-
- string olh_data_idx;
- struct rgw_bucket_olh_entry olh_data_entry;
-
- bool initialized;
-public:
- BIOLHEntry(cls_method_context_t& _hctx, const cls_rgw_obj_key& _key) : hctx(_hctx), key(_key), initialized(false) { }
-
- int init(bool *exists) {
- /* read olh */
- int ret = read_olh(hctx, key, &olh_data_entry, &olh_data_idx, exists);
- if (ret < 0) {
- return ret;
- }
-
- initialized = true;
- return 0;
- }
-
- bool apply_epoch(uint64_t candidate_epoch) {
- if (candidate_epoch < olh_data_entry.epoch) {
- return false;
- }
-
- olh_data_entry.epoch = candidate_epoch;
- return true;
- }
-
- bool start_modify(uint64_t candidate_epoch) {
- if (candidate_epoch) {
- if (candidate_epoch < olh_data_entry.epoch) {
- return false; /* olh cannot be modified, old epoch */
- }
- olh_data_entry.epoch = candidate_epoch;
- } else {
- if (olh_data_entry.epoch == 0) {
- olh_data_entry.epoch = 2; /* versioned epoch should start with 2, 1 is reserved to converted plain entries */
- } else {
- olh_data_entry.epoch++;
- }
- }
- return true;
- }
-
- uint64_t get_epoch() {
- return olh_data_entry.epoch;
- }
-
- rgw_bucket_olh_entry& get_entry() {
- return olh_data_entry;
- }
-
- void update(cls_rgw_obj_key& key, bool delete_marker) {
- olh_data_entry.delete_marker = delete_marker;
- olh_data_entry.key = key;
- }
-
- int write() {
- /* write the olh data entry */
- int ret = write_entry(hctx, olh_data_entry, olh_data_idx);
- if (ret < 0) {
- CLS_LOG(0, "ERROR: write_entry() olh_key=%s ret=%d", olh_data_idx.c_str(), ret);
- return ret;
- }
-
- return 0;
- }
-
- void update_log(OLHLogOp op, const string& op_tag, cls_rgw_obj_key& key, bool delete_marker, uint64_t epoch = 0) {
- if (epoch == 0) {
- epoch = olh_data_entry.epoch;
- }
- update_olh_log(olh_data_entry, op, op_tag, key, delete_marker, epoch);
- }
-
- bool exists() { return olh_data_entry.exists; }
-
- void set_exists(bool exists) {
- olh_data_entry.exists = exists;
- }
-
- bool pending_removal() { return olh_data_entry.pending_removal; }
-
- void set_pending_removal(bool pending_removal) {
- olh_data_entry.pending_removal = pending_removal;
- }
-
- const string& get_tag() { return olh_data_entry.tag; }
- void set_tag(const string& tag) {
- olh_data_entry.tag = tag;
- }
-};
-
-static int write_version_marker(cls_method_context_t hctx, cls_rgw_obj_key& key)
-{
- struct rgw_bucket_dir_entry entry;
- entry.key = key;
- entry.flags = RGW_BUCKET_DIRENT_FLAG_VER_MARKER;
- int ret = write_entry(hctx, entry, key.name);
- if (ret < 0) {
- CLS_LOG(0, "ERROR: write_entry returned ret=%d", ret);
- return ret;
- }
- return 0;
-}
-
-/*
- * plain entries are the ones who were created when bucket was not versioned,
- * if we override these objects, we need to convert these to versioned entries -- ones that have
- * both data entry, and listing key. Their version is going to be empty though
- */
-static int convert_plain_entry_to_versioned(cls_method_context_t hctx, cls_rgw_obj_key& key, bool demote_current, bool instance_only)
-{
- if (!key.instance.empty()) {
- return -EINVAL;
- }
-
- struct rgw_bucket_dir_entry entry;
-
- string orig_idx;
- int ret = read_key_entry(hctx, key, &orig_idx, &entry);
- if (ret != -ENOENT) {
- if (ret < 0) {
- CLS_LOG(0, "ERROR: read_key_entry() returned ret=%d", ret);
- return ret;
- }
-
- entry.versioned_epoch = 1; /* converted entries are always 1 */
- entry.flags |= RGW_BUCKET_DIRENT_FLAG_VER;
-
- if (demote_current) {
- entry.flags &= ~RGW_BUCKET_DIRENT_FLAG_CURRENT;
- }
-
- string new_idx;
- encode_obj_versioned_data_key(key, &new_idx);
-
- if (instance_only) {
- ret = write_obj_instance_entry(hctx, entry, new_idx);
- } else {
- ret = write_obj_entries(hctx, entry, new_idx);
- }
- if (ret < 0) {
- CLS_LOG(0, "ERROR: write_obj_entries new_idx=%s returned %d", new_idx.c_str(), ret);
- return ret;
- }
- }
-
- ret = write_version_marker(hctx, key);
- if (ret < 0) {
- return ret;
- }
-
- return 0;
-}
-
-/*
- * link an object version to an olh, update the relevant index entries. It will also handle the
- * deletion marker case. We have a few entries that we need to take care of. For object 'foo',
- * instance BAR, we'd update the following (not actual encoding):
- * - olh data: [BI_BUCKET_OLH_DATA_INDEX]foo
- * - object instance data: [BI_BUCKET_OBJ_INSTANCE_INDEX]foo,BAR
- * - object instance list entry: foo,123,BAR
- *
- * The instance list entry needs to be ordered by newer to older, so we generate an appropriate
- * number string that follows the name.
- * The top instance for each object is marked appropriately.
- * We generate instance entry for deletion markers here, as they are not created prior.
- */
-static int rgw_bucket_link_olh(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- string olh_data_idx;
- string instance_idx;
-
- // decode request
- rgw_cls_link_olh_op op;
- bufferlist::iterator iter = in->begin();
- try {
- ::decode(op, iter);
- } catch (buffer::error& err) {
- CLS_LOG(0, "ERROR: rgw_bucket_link_olh_op(): failed to decode request\n");
- return -EINVAL;
- }
-
- BIVerObjEntry obj(hctx, op.key);
- BIOLHEntry olh(hctx, op.key);
-
- /* read instance entry */
- int ret = obj.init(op.delete_marker);
- bool existed = (ret == 0);
- if (ret == -ENOENT && op.delete_marker) {
- ret = 0;
- }
- if (ret < 0) {
- return ret;
- }
-
- if (existed && !real_clock::is_zero(op.unmod_since)) {
- struct timespec mtime = ceph::real_clock::to_timespec(obj.mtime());
- struct timespec unmod = ceph::real_clock::to_timespec(op.unmod_since);
- if (!op.high_precision_time) {
- mtime.tv_nsec = 0;
- unmod.tv_nsec = 0;
- }
- if (mtime >= unmod) {
- return 0; /* no need to set error, we just return 0 and avoid writing to the bi log */
- }
- }
-
- bool removing;
-
- /*
- * Special handling for null instance object / delete-marker. For these objects we're going to
- * have separate instances for a data object vs. delete-marker to avoid collisions. We now check
- * if we got to overwrite a previous entry, and in that case we'll remove its list entry.
- */
- if (op.key.instance.empty()) {
- BIVerObjEntry other_obj(hctx, op.key);
- ret = other_obj.init(!op.delete_marker); /* try reading the other null versioned entry */
- existed = (ret >= 0 && !other_obj.is_delete_marker());
- if (ret >= 0 && other_obj.is_delete_marker() != op.delete_marker) {
- ret = other_obj.unlink_list_entry();
- if (ret < 0) {
- return ret;
- }
- ret = other_obj.unlink();
- if (ret < 0) {
- return ret;
- }
- }
-
- removing = existed && op.delete_marker;
- } else {
- removing = (existed && !obj.is_delete_marker() && op.delete_marker);
- }
-
- if (op.delete_marker) {
- /* a deletion marker, need to initialize entry as such */
- obj.init_as_delete_marker(op.meta);
- }
-
- /* read olh */
- bool olh_found;
- ret = olh.init(&olh_found);
- if (ret < 0) {
- return ret;
- }
-
- if (!olh.start_modify(op.olh_epoch)) {
- ret = obj.write(op.olh_epoch, false);
- if (ret < 0) {
- return ret;
- }
- if (removing) {
- olh.update_log(CLS_RGW_OLH_OP_REMOVE_INSTANCE, op.op_tag, op.key, false, op.olh_epoch);
- }
- return 0;
- }
-
- if (olh_found) {
- const string& olh_tag = olh.get_tag();
- if (op.olh_tag != olh_tag) {
- if (!olh.pending_removal()) {
- CLS_LOG(5, "NOTICE: op.olh_tag (%s) != olh.tag (%s)", op.olh_tag.c_str(), olh_tag.c_str());
- return -ECANCELED;
- }
- /* if pending removal, this is a new olh instance */
- olh.set_tag(op.olh_tag);
- }
- if (olh.exists()) {
- rgw_bucket_olh_entry& olh_entry = olh.get_entry();
- /* found olh, previous instance is no longer the latest, need to update */
- if (!(olh_entry.key == op.key)) {
- BIVerObjEntry old_obj(hctx, olh_entry.key);
-
- ret = old_obj.demote_current();
- if (ret < 0) {
- CLS_LOG(0, "ERROR: could not demote current on previous key ret=%d", ret);
- return ret;
- }
- }
- }
- olh.set_pending_removal(false);
- } else {
- bool instance_only = (op.key.instance.empty() && op.delete_marker);
- cls_rgw_obj_key key(op.key.name);
- ret = convert_plain_entry_to_versioned(hctx, key, true, instance_only);
- if (ret < 0) {
- CLS_LOG(0, "ERROR: convert_plain_entry_to_versioned ret=%d", ret);
- return ret;
- }
- olh.set_tag(op.olh_tag);
- }
-
- /* update the olh log */
- olh.update_log(CLS_RGW_OLH_OP_LINK_OLH, op.op_tag, op.key, op.delete_marker);
- if (removing) {
- olh.update_log(CLS_RGW_OLH_OP_REMOVE_INSTANCE, op.op_tag, op.key, false);
- }
-
- olh.update(op.key, op.delete_marker);
-
- olh.set_exists(true);
-
- ret = olh.write();
- if (ret < 0) {
- CLS_LOG(0, "ERROR: failed to update olh ret=%d", ret);
- return ret;
- }
-
- /* write the instance and list entries */
- ret = obj.write(olh.get_epoch(), true);
- if (ret < 0) {
- return ret;
- }
-
- struct rgw_bucket_dir_header header;
- ret = read_bucket_header(hctx, &header);
- if (ret < 0) {
- CLS_LOG(1, "ERROR: rgw_bucket_unlink_instance(): failed to read header\n");
- return ret;
- }
-
- if (op.log_op && !header.syncstopped) {
- rgw_bucket_dir_entry& entry = obj.get_dir_entry();
-
- rgw_bucket_entry_ver ver;
- ver.epoch = (op.olh_epoch ? op.olh_epoch : olh.get_epoch());
-
- string *powner = NULL;
- string *powner_display_name = NULL;
-
- if (op.delete_marker) {
- powner = &entry.meta.owner;
- powner_display_name = &entry.meta.owner_display_name;
- }
-
- RGWModifyOp operation = (op.delete_marker ? CLS_RGW_OP_LINK_OLH_DM : CLS_RGW_OP_LINK_OLH);
- ret = log_index_operation(hctx, op.key, operation, op.op_tag,
- entry.meta.mtime, ver,
- CLS_RGW_STATE_COMPLETE, header.ver, header.max_marker, op.bilog_flags | RGW_BILOG_FLAG_VERSIONED_OP,
- powner, powner_display_name, &op.zones_trace);
- if (ret < 0)
- return ret;
- }
-
- return write_bucket_header(hctx, &header); /* updates header version */
-}
-
-static int rgw_bucket_unlink_instance(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- string olh_data_idx;
- string instance_idx;
-
- // decode request
- rgw_cls_unlink_instance_op op;
- bufferlist::iterator iter = in->begin();
- try {
- ::decode(op, iter);
- } catch (buffer::error& err) {
- CLS_LOG(0, "ERROR: rgw_bucket_rm_obj_instance_op(): failed to decode request\n");
- return -EINVAL;
- }
-
- cls_rgw_obj_key dest_key = op.key;
- if (dest_key.instance == "null") {
- dest_key.instance.clear();
- }
-
- BIVerObjEntry obj(hctx, dest_key);
- BIOLHEntry olh(hctx, dest_key);
-
- int ret = obj.init();
- if (ret == -ENOENT) {
- return 0; /* already removed */
- }
- if (ret < 0) {
- CLS_LOG(0, "ERROR: obj.init() returned ret=%d", ret);
- return ret;
- }
-
- bool olh_found;
- ret = olh.init(&olh_found);
- if (ret < 0) {
- CLS_LOG(0, "ERROR: olh.init() returned ret=%d", ret);
- return ret;
- }
-
- if (!olh_found) {
- bool instance_only = false;
- cls_rgw_obj_key key(dest_key.name);
- ret = convert_plain_entry_to_versioned(hctx, key, true, instance_only);
- if (ret < 0) {
- CLS_LOG(0, "ERROR: convert_plain_entry_to_versioned ret=%d", ret);
- return ret;
- }
- olh.update(dest_key, false);
- olh.set_tag(op.olh_tag);
-
- obj.set_epoch(1);
- }
-
- if (!olh.start_modify(op.olh_epoch)) {
- ret = obj.unlink_list_entry();
- if (ret < 0) {
- return ret;
- }
-
- if (!obj.is_delete_marker()) {
- olh.update_log(CLS_RGW_OLH_OP_REMOVE_INSTANCE, op.op_tag, op.key, false, op.olh_epoch);
- }
-
- return 0;
- }
-
- rgw_bucket_olh_entry& olh_entry = olh.get_entry();
- cls_rgw_obj_key& olh_key = olh_entry.key;
- CLS_LOG(20, "%s(): updating olh log: existing olh entry: %s[%s] (delete_marker=%d)", __func__,
- olh_key.name.c_str(), olh_key.instance.c_str(), olh_entry.delete_marker);
-
- if (olh_key == dest_key) {
- /* this is the current head, need to update! */
- cls_rgw_obj_key next_key;
- bool found;
- ret = obj.find_next_key(&next_key, &found);
- if (ret < 0) {
- CLS_LOG(0, "ERROR: obj.find_next_key() returned ret=%d", ret);
- return ret;
- }
-
- if (found) {
- BIVerObjEntry next(hctx, next_key);
- ret = next.write(olh.get_epoch(), true);
- if (ret < 0) {
- CLS_LOG(0, "ERROR: next.write() returned ret=%d", ret);
- return ret;
- }
-
- CLS_LOG(20, "%s(): updating olh log: link olh -> %s[%s] (is_delete=%d)", __func__,
- next_key.name.c_str(), next_key.instance.c_str(), (int)next.is_delete_marker());
-
- olh.update(next_key, next.is_delete_marker());
- olh.update_log(CLS_RGW_OLH_OP_LINK_OLH, op.op_tag, next_key, next.is_delete_marker());
- } else {
- /* next_key is empty */
- olh.update(next_key, false);
- olh.update_log(CLS_RGW_OLH_OP_UNLINK_OLH, op.op_tag, next_key, false);
- olh.set_exists(false);
- olh.set_pending_removal(true);
- }
- }
-
- if (!obj.is_delete_marker()) {
- olh.update_log(CLS_RGW_OLH_OP_REMOVE_INSTANCE, op.op_tag, op.key, false);
- } else {
- /* this is a delete marker, it's our responsibility to remove its instance entry */
- ret = obj.unlink();
- if (ret < 0) {
- return ret;
- }
- }
-
- ret = obj.unlink_list_entry();
- if (ret < 0) {
- return ret;
- }
-
- ret = olh.write();
- if (ret < 0) {
- return ret;
- }
-
- struct rgw_bucket_dir_header header;
- ret = read_bucket_header(hctx, &header);
- if (ret < 0) {
- CLS_LOG(1, "ERROR: rgw_bucket_unlink_instance(): failed to read header\n");
- return ret;
- }
-
- if (op.log_op && !header.syncstopped) {
- rgw_bucket_entry_ver ver;
- ver.epoch = (op.olh_epoch ? op.olh_epoch : olh.get_epoch());
-
- real_time mtime = real_clock::now(); /* mtime has no real meaning in instance removal context */
- ret = log_index_operation(hctx, op.key, CLS_RGW_OP_UNLINK_INSTANCE, op.op_tag,
- mtime, ver,
- CLS_RGW_STATE_COMPLETE, header.ver, header.max_marker,
- op.bilog_flags | RGW_BILOG_FLAG_VERSIONED_OP, NULL, NULL, &op.zones_trace);
- if (ret < 0)
- return ret;
- }
-
- return write_bucket_header(hctx, &header); /* updates header version */
-}
-
-static int rgw_bucket_read_olh_log(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- // decode request
- rgw_cls_read_olh_log_op op;
- bufferlist::iterator iter = in->begin();
- try {
- ::decode(op, iter);
- } catch (buffer::error& err) {
- CLS_LOG(0, "ERROR: rgw_bucket_read_olh_log(): failed to decode request\n");
- return -EINVAL;
- }
-
- if (!op.olh.instance.empty()) {
- CLS_LOG(1, "bad key passed in (non empty instance)");
- return -EINVAL;
- }
-
- struct rgw_bucket_olh_entry olh_data_entry;
- string olh_data_key;
- encode_olh_data_key(op.olh, &olh_data_key);
- int ret = read_index_entry(hctx, olh_data_key, &olh_data_entry);
- if (ret < 0 && ret != -ENOENT) {
- CLS_LOG(0, "ERROR: read_index_entry() olh_key=%s ret=%d", olh_data_key.c_str(), ret);
- return ret;
- }
-
- if (olh_data_entry.tag != op.olh_tag) {
- CLS_LOG(1, "NOTICE: %s(): olh_tag_mismatch olh_data_entry.tag=%s op.olh_tag=%s", __func__, olh_data_entry.tag.c_str(), op.olh_tag.c_str());
- return -ECANCELED;
- }
-
- rgw_cls_read_olh_log_ret op_ret;
-
-#define MAX_OLH_LOG_ENTRIES 1000
- map<uint64_t, vector<rgw_bucket_olh_log_entry> >& log = olh_data_entry.pending_log;
-
- if (log.begin()->first > op.ver_marker && log.size() <= MAX_OLH_LOG_ENTRIES) {
- op_ret.log = log;
- op_ret.is_truncated = false;
- } else {
- map<uint64_t, vector<rgw_bucket_olh_log_entry> >::iterator iter = log.upper_bound(op.ver_marker);
-
- for (int i = 0; i < MAX_OLH_LOG_ENTRIES && iter != log.end(); ++i, ++iter) {
- op_ret.log[iter->first] = iter->second;
- }
- op_ret.is_truncated = (iter != log.end());
- }
-
- ::encode(op_ret, *out);
-
- return 0;
-}
-
-static int rgw_bucket_trim_olh_log(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- // decode request
- rgw_cls_trim_olh_log_op op;
- bufferlist::iterator iter = in->begin();
- try {
- ::decode(op, iter);
- } catch (buffer::error& err) {
- CLS_LOG(0, "ERROR: rgw_bucket_trim_olh_log(): failed to decode request\n");
- return -EINVAL;
- }
-
- if (!op.olh.instance.empty()) {
- CLS_LOG(1, "bad key passed in (non empty instance)");
- return -EINVAL;
- }
-
- /* read olh entry */
- struct rgw_bucket_olh_entry olh_data_entry;
- string olh_data_key;
- encode_olh_data_key(op.olh, &olh_data_key);
- int ret = read_index_entry(hctx, olh_data_key, &olh_data_entry);
- if (ret < 0 && ret != -ENOENT) {
- CLS_LOG(0, "ERROR: read_index_entry() olh_key=%s ret=%d", olh_data_key.c_str(), ret);
- return ret;
- }
-
- if (olh_data_entry.tag != op.olh_tag) {
- CLS_LOG(1, "NOTICE: %s(): olh_tag_mismatch olh_data_entry.tag=%s op.olh_tag=%s", __func__, olh_data_entry.tag.c_str(), op.olh_tag.c_str());
- return -ECANCELED;
- }
-
- /* remove all versions up to and including ver from the pending map */
- map<uint64_t, vector<rgw_bucket_olh_log_entry> >& log = olh_data_entry.pending_log;
- map<uint64_t, vector<rgw_bucket_olh_log_entry> >::iterator liter = log.begin();
- while (liter != log.end() && liter->first <= op.ver) {
- map<uint64_t, vector<rgw_bucket_olh_log_entry> >::iterator rm_iter = liter;
- ++liter;
- log.erase(rm_iter);
- }
-
- /* write the olh data entry */
- ret = write_entry(hctx, olh_data_entry, olh_data_key);
- if (ret < 0) {
- CLS_LOG(0, "ERROR: write_entry() olh_key=%s ret=%d", olh_data_key.c_str(), ret);
- return ret;
- }
-
- return 0;
-}
-
-static int rgw_bucket_clear_olh(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- // decode request
- rgw_cls_bucket_clear_olh_op op;
- bufferlist::iterator iter = in->begin();
- try {
- ::decode(op, iter);
- } catch (buffer::error& err) {
- CLS_LOG(0, "ERROR: rgw_bucket_clear_olh(): failed to decode request\n");
- return -EINVAL;
- }
-
- if (!op.key.instance.empty()) {
- CLS_LOG(1, "bad key passed in (non empty instance)");
- return -EINVAL;
- }
-
- /* read olh entry */
- struct rgw_bucket_olh_entry olh_data_entry;
- string olh_data_key;
- encode_olh_data_key(op.key, &olh_data_key);
- int ret = read_index_entry(hctx, olh_data_key, &olh_data_entry);
- if (ret < 0 && ret != -ENOENT) {
- CLS_LOG(0, "ERROR: read_index_entry() olh_key=%s ret=%d", olh_data_key.c_str(), ret);
- return ret;
- }
-
- if (olh_data_entry.tag != op.olh_tag) {
- CLS_LOG(1, "NOTICE: %s(): olh_tag_mismatch olh_data_entry.tag=%s op.olh_tag=%s", __func__, olh_data_entry.tag.c_str(), op.olh_tag.c_str());
- return -ECANCELED;
- }
-
- ret = cls_cxx_map_remove_key(hctx, olh_data_key);
- if (ret < 0) {
- CLS_LOG(1, "NOTICE: %s(): can't remove key %s ret=%d", __func__, olh_data_key.c_str(), ret);
- return ret;
- }
-
- rgw_bucket_dir_entry plain_entry;
-
- /* read plain entry, make sure it's a versioned place holder */
- ret = read_index_entry(hctx, op.key.name, &plain_entry);
- if (ret == -ENOENT) {
- /* we're done, no entry existing */
- return 0;
- }
- if (ret < 0) {
- CLS_LOG(0, "ERROR: read_index_entry key=%s ret=%d", op.key.name.c_str(), ret);
- return ret;
- }
-
- if ((plain_entry.flags & RGW_BUCKET_DIRENT_FLAG_VER_MARKER) == 0) {
- /* it's not a version marker, don't remove it */
- return 0;
- }
-
- ret = cls_cxx_map_remove_key(hctx, op.key.name);
- if (ret < 0) {
- CLS_LOG(1, "NOTICE: %s(): can't remove key %s ret=%d", __func__, op.key.name.c_str(), ret);
- return ret;
- }
-
- return 0;
-}
-
-int rgw_dir_suggest_changes(cls_method_context_t hctx,
- bufferlist *in, bufferlist *out)
-{
- CLS_LOG(1, "rgw_dir_suggest_changes()");
-
- bufferlist header_bl;
- struct rgw_bucket_dir_header header;
- bool header_changed = false;
-
- int rc = read_bucket_header(hctx, &header);
- if (rc < 0) {
- CLS_LOG(1, "ERROR: rgw_dir_suggest_changes(): failed to read header\n");
- return rc;
- }
-
- timespan tag_timeout(
- std::chrono::seconds(
- header.tag_timeout ? header.tag_timeout : CEPH_RGW_TAG_TIMEOUT));
-
- bufferlist::iterator in_iter = in->begin();
-
- while (!in_iter.end()) {
- __u8 op;
- rgw_bucket_dir_entry cur_change;
- rgw_bucket_dir_entry cur_disk;
- try {
- ::decode(op, in_iter);
- ::decode(cur_change, in_iter);
- } catch (buffer::error& err) {
- CLS_LOG(1, "ERROR: rgw_dir_suggest_changes(): failed to decode request\n");
- return -EINVAL;
- }
-
- bufferlist cur_disk_bl;
- string cur_change_key;
- encode_obj_index_key(cur_change.key, &cur_change_key);
- int ret = cls_cxx_map_get_val(hctx, cur_change_key, &cur_disk_bl);
- if (ret < 0 && ret != -ENOENT)
- return -EINVAL;
-
- if (cur_disk_bl.length()) {
- bufferlist::iterator cur_disk_iter = cur_disk_bl.begin();
- try {
- ::decode(cur_disk, cur_disk_iter);
- } catch (buffer::error& error) {
- CLS_LOG(1, "ERROR: rgw_dir_suggest_changes(): failed to decode cur_disk\n");
- return -EINVAL;
- }
-
- real_time cur_time = real_clock::now();
- map<string, struct rgw_bucket_pending_info>::iterator iter =
- cur_disk.pending_map.begin();
- while(iter != cur_disk.pending_map.end()) {
- map<string, struct rgw_bucket_pending_info>::iterator cur_iter=iter++;
- if (cur_time > (cur_iter->second.timestamp + timespan(tag_timeout))) {
- cur_disk.pending_map.erase(cur_iter);
- }
- }
- }
-
- CLS_LOG(20, "cur_disk.pending_map.empty()=%d op=%d cur_disk.exists=%d cur_change.pending_map.size()=%d cur_change.exists=%d\n",
- cur_disk.pending_map.empty(), (int)op, cur_disk.exists,
- (int)cur_change.pending_map.size(), cur_change.exists);
-
- if (cur_disk.pending_map.empty()) {
- if (cur_disk.exists) {
- struct rgw_bucket_category_stats& old_stats = header.stats[cur_disk.meta.category];
- CLS_LOG(10, "total_entries: %" PRId64 " -> %" PRId64 "\n", old_stats.num_entries, old_stats.num_entries - 1);
- old_stats.num_entries--;
- old_stats.total_size -= cur_disk.meta.accounted_size;
- old_stats.total_size_rounded -= cls_rgw_get_rounded_size(cur_disk.meta.accounted_size);
- old_stats.actual_size -= cur_disk.meta.size;
- header_changed = true;
- }
- struct rgw_bucket_category_stats& stats =
- header.stats[cur_change.meta.category];
- bool log_op = (op & CEPH_RGW_DIR_SUGGEST_LOG_OP) != 0;
- op &= CEPH_RGW_DIR_SUGGEST_OP_MASK;
- switch(op) {
- case CEPH_RGW_REMOVE:
- CLS_LOG(10, "CEPH_RGW_REMOVE name=%s instance=%s\n", cur_change.key.name.c_str(), cur_change.key.instance.c_str());
- ret = cls_cxx_map_remove_key(hctx, cur_change_key);
- if (ret < 0)
- return ret;
- if (log_op && cur_disk.exists && !header.syncstopped) {
- ret = log_index_operation(hctx, cur_disk.key, CLS_RGW_OP_DEL, cur_disk.tag, cur_disk.meta.mtime,
- cur_disk.ver, CLS_RGW_STATE_COMPLETE, header.ver, header.max_marker, 0, NULL, NULL, NULL);
- if (ret < 0) {
- CLS_LOG(0, "ERROR: %s(): failed to log operation ret=%d", __func__, ret);
- return ret;
- }
- }
- break;
- case CEPH_RGW_UPDATE:
- if (!cur_disk.exists) {
- // this update would only have been sent by the rgw client
- // if the rgw_bucket_dir_entry existed, however between that
- // check and now the entry has diappeared, so we were likely
- // in the midst of a delete op, and we will not recreate the
- // entry
- CLS_LOG(10,
- "CEPH_RGW_UPDATE not applied because rgw_bucket_dir_entry"
- " no longer exists\n");
- break;
- }
-
- CLS_LOG(10, "CEPH_RGW_UPDATE name=%s instance=%s total_entries: %" PRId64 " -> %" PRId64 "\n",
- cur_change.key.name.c_str(), cur_change.key.instance.c_str(), stats.num_entries, stats.num_entries + 1);
-
- stats.num_entries++;
- stats.total_size += cur_change.meta.accounted_size;
- stats.total_size_rounded += cls_rgw_get_rounded_size(cur_change.meta.accounted_size);
- stats.actual_size += cur_change.meta.size;
- header_changed = true;
- cur_change.index_ver = header.ver;
- bufferlist cur_state_bl;
- ::encode(cur_change, cur_state_bl);
- ret = cls_cxx_map_set_val(hctx, cur_change_key, &cur_state_bl);
- if (ret < 0)
- return ret;
- if (log_op && !header.syncstopped) {
- ret = log_index_operation(hctx, cur_change.key, CLS_RGW_OP_ADD, cur_change.tag, cur_change.meta.mtime,
- cur_change.ver, CLS_RGW_STATE_COMPLETE, header.ver, header.max_marker, 0, NULL, NULL, NULL);
- if (ret < 0) {
- CLS_LOG(0, "ERROR: %s(): failed to log operation ret=%d", __func__, ret);
- return ret;
- }
- }
- break;
- } // switch(op)
- } // if (cur_disk.pending_map.empty())
- } // while (!in_iter.end())
-
- if (header_changed) {
- return write_bucket_header(hctx, &header);
- }
- return 0;
-}
-
-static int rgw_obj_remove(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- // decode request
- rgw_cls_obj_remove_op op;
- bufferlist::iterator iter = in->begin();
- try {
- ::decode(op, iter);
- } catch (buffer::error& err) {
- CLS_LOG(0, "ERROR: %s(): failed to decode request", __func__);
- return -EINVAL;
- }
-
- if (op.keep_attr_prefixes.empty()) {
- return cls_cxx_remove(hctx);
- }
-
- map<string, bufferlist> attrset;
- int ret = cls_cxx_getxattrs(hctx, &attrset);
- if (ret < 0 && ret != -ENOENT) {
- CLS_LOG(0, "ERROR: %s(): cls_cxx_getxattrs() returned %d", __func__, ret);
- return ret;
- }
-
- map<string, bufferlist> new_attrs;
- for (list<string>::iterator iter = op.keep_attr_prefixes.begin();
- iter != op.keep_attr_prefixes.end(); ++iter) {
- string& check_prefix = *iter;
-
- for (map<string, bufferlist>::iterator aiter = attrset.lower_bound(check_prefix);
- aiter != attrset.end(); ++aiter) {
- const string& attr = aiter->first;
-
- if (attr.substr(0, check_prefix.size()) > check_prefix) {
- break;
- }
-
- new_attrs[attr] = aiter->second;
- }
- }
-
- CLS_LOG(20, "%s(): removing object", __func__);
- ret = cls_cxx_remove(hctx);
- if (ret < 0) {
- CLS_LOG(0, "ERROR: %s(): cls_cxx_remove returned %d", __func__, ret);
- return ret;
- }
-
- if (new_attrs.empty()) {
- /* no data to keep */
- return 0;
- }
-
- ret = cls_cxx_create(hctx, false);
- if (ret < 0) {
- CLS_LOG(0, "ERROR: %s(): cls_cxx_create returned %d", __func__, ret);
- return ret;
- }
-
- for (map<string, bufferlist>::iterator aiter = new_attrs.begin();
- aiter != new_attrs.end(); ++aiter) {
- const string& attr = aiter->first;
-
- ret = cls_cxx_setxattr(hctx, attr.c_str(), &aiter->second);
- CLS_LOG(20, "%s(): setting attr: %s", __func__, attr.c_str());
- if (ret < 0) {
- CLS_LOG(0, "ERROR: %s(): cls_cxx_setxattr (attr=%s) returned %d", __func__, attr.c_str(), ret);
- return ret;
- }
- }
-
- return 0;
-}
-
-static int rgw_obj_store_pg_ver(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- // decode request
- rgw_cls_obj_store_pg_ver_op op;
- bufferlist::iterator iter = in->begin();
- try {
- ::decode(op, iter);
- } catch (buffer::error& err) {
- CLS_LOG(0, "ERROR: %s(): failed to decode request", __func__);
- return -EINVAL;
- }
-
- bufferlist bl;
- uint64_t ver = cls_current_version(hctx);
- ::encode(ver, bl);
- int ret = cls_cxx_setxattr(hctx, op.attr.c_str(), &bl);
- if (ret < 0) {
- CLS_LOG(0, "ERROR: %s(): cls_cxx_setxattr (attr=%s) returned %d", __func__, op.attr.c_str(), ret);
- return ret;
- }
-
- return 0;
-}
-
-static int rgw_obj_check_attrs_prefix(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- // decode request
- rgw_cls_obj_check_attrs_prefix op;
- bufferlist::iterator iter = in->begin();
- try {
- ::decode(op, iter);
- } catch (buffer::error& err) {
- CLS_LOG(0, "ERROR: %s(): failed to decode request", __func__);
- return -EINVAL;
- }
-
- if (op.check_prefix.empty()) {
- return -EINVAL;
- }
-
- map<string, bufferlist> attrset;
- int ret = cls_cxx_getxattrs(hctx, &attrset);
- if (ret < 0 && ret != -ENOENT) {
- CLS_LOG(0, "ERROR: %s(): cls_cxx_getxattrs() returned %d", __func__, ret);
- return ret;
- }
-
- bool exist = false;
-
- for (map<string, bufferlist>::iterator aiter = attrset.lower_bound(op.check_prefix);
- aiter != attrset.end(); ++aiter) {
- const string& attr = aiter->first;
-
- if (attr.substr(0, op.check_prefix.size()) > op.check_prefix) {
- break;
- }
-
- exist = true;
- }
-
- if (exist == op.fail_if_exist) {
- return -ECANCELED;
- }
-
- return 0;
-}
-
-static int rgw_obj_check_mtime(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- // decode request
- rgw_cls_obj_check_mtime op;
- bufferlist::iterator iter = in->begin();
- try {
- ::decode(op, iter);
- } catch (buffer::error& err) {
- CLS_LOG(0, "ERROR: %s(): failed to decode request", __func__);
- return -EINVAL;
- }
-
- real_time obj_ut;
- int ret = cls_cxx_stat2(hctx, NULL, &obj_ut);
- if (ret < 0 && ret != -ENOENT) {
- CLS_LOG(0, "ERROR: %s(): cls_cxx_stat() returned %d", __func__, ret);
- return ret;
- }
- if (ret == -ENOENT) {
- CLS_LOG(10, "object does not exist, skipping check");
- }
-
- ceph_timespec obj_ts = ceph::real_clock::to_ceph_timespec(obj_ut);
- ceph_timespec op_ts = ceph::real_clock::to_ceph_timespec(op.mtime);
-
- if (!op.high_precision_time) {
- obj_ts.tv_nsec = 0;
- op_ts.tv_nsec = 0;
- }
-
- CLS_LOG(10, "%s: obj_ut=%lld.%06lld op.mtime=%lld.%06lld", __func__,
- (long long)obj_ts.tv_sec, (long long)obj_ts.tv_nsec,
- (long long)op_ts.tv_sec, (long long)op_ts.tv_nsec);
-
- bool check;
-
- switch (op.type) {
- case CLS_RGW_CHECK_TIME_MTIME_EQ:
- check = (obj_ts == op_ts);
- break;
- case CLS_RGW_CHECK_TIME_MTIME_LT:
- check = (obj_ts < op_ts);
- break;
- case CLS_RGW_CHECK_TIME_MTIME_LE:
- check = (obj_ts <= op_ts);
- break;
- case CLS_RGW_CHECK_TIME_MTIME_GT:
- check = (obj_ts > op_ts);
- break;
- case CLS_RGW_CHECK_TIME_MTIME_GE:
- check = (obj_ts >= op_ts);
- break;
- default:
- return -EINVAL;
- };
-
- if (!check) {
- return -ECANCELED;
- }
-
- return 0;
-}
-
-static int rgw_bi_get_op(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- // decode request
- rgw_cls_bi_get_op op;
- bufferlist::iterator iter = in->begin();
- try {
- ::decode(op, iter);
- } catch (buffer::error& err) {
- CLS_LOG(0, "ERROR: %s(): failed to decode request", __func__);
- return -EINVAL;
- }
-
- string idx;
-
- switch (op.type) {
- case PlainIdx:
- idx = op.key.name;
- break;
- case InstanceIdx:
- encode_obj_index_key(op.key, &idx);
- break;
- case OLHIdx:
- encode_olh_data_key(op.key, &idx);
- break;
- default:
- CLS_LOG(10, "%s(): invalid key type encoding: %d", __func__, op.type);
- return -EINVAL;
- }
-
- rgw_cls_bi_get_ret op_ret;
-
- rgw_cls_bi_entry& entry = op_ret.entry;
-
- entry.type = op.type;
- entry.idx = idx;
-
- int r = cls_cxx_map_get_val(hctx, idx, &entry.data);
- if (r < 0) {
- CLS_LOG(10, "%s(): cls_cxx_map_get_val() returned %d", __func__, r);
- return r;
- }
-
- ::encode(op_ret, *out);
-
- return 0;
-}
-
-static int rgw_bi_put_op(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- // decode request
- rgw_cls_bi_put_op op;
- bufferlist::iterator iter = in->begin();
- try {
- ::decode(op, iter);
- } catch (buffer::error& err) {
- CLS_LOG(0, "ERROR: %s(): failed to decode request", __func__);
- return -EINVAL;
- }
-
- rgw_cls_bi_entry& entry = op.entry;
-
- int r = cls_cxx_map_set_val(hctx, entry.idx, &entry.data);
- if (r < 0) {
- CLS_LOG(0, "ERROR: %s(): cls_cxx_map_set_val() returned r=%d", __func__, r);
- }
-
- return 0;
-}
-
-static int list_plain_entries(cls_method_context_t hctx, const string& name, const string& marker, uint32_t max,
- list<rgw_cls_bi_entry> *entries, bool *pmore)
-{
- string filter = name;
- string start_key = marker;
-
- string end_key; // stop listing at bi_log_prefix
- bi_log_prefix(end_key);
-
- int count = 0;
- map<string, bufferlist> keys;
- int ret = cls_cxx_map_get_vals(hctx, start_key, filter, max, &keys, pmore);
- if (ret < 0) {
- return ret;
- }
-
- map<string, bufferlist>::iterator iter;
- for (iter = keys.begin(); iter != keys.end(); ++iter) {
- if (iter->first >= end_key) {
- /* past the end of plain namespace */
- return count;
- }
-
- rgw_cls_bi_entry entry;
- entry.type = PlainIdx;
- entry.idx = iter->first;
- entry.data = iter->second;
-
- bufferlist::iterator biter = entry.data.begin();
-
- rgw_bucket_dir_entry e;
- try {
- ::decode(e, biter);
- } catch (buffer::error& err) {
- CLS_LOG(0, "ERROR: %s(): failed to decode buffer", __func__);
- return -EIO;
- }
-
- CLS_LOG(20, "%s(): entry.idx=%s e.key.name=%s", __func__, escape_str(entry.idx).c_str(), escape_str(e.key.name).c_str());
-
- if (!name.empty() && e.key.name != name) {
- return count;
- }
-
- entries->push_back(entry);
- count++;
- if (count >= (int)max) {
- return count;
- }
- start_key = entry.idx;
- }
-
- return count;
-}
-
-static int list_instance_entries(cls_method_context_t hctx, const string& name, const string& marker, uint32_t max,
- list<rgw_cls_bi_entry> *entries, bool *pmore)
-{
- cls_rgw_obj_key key(name);
- string first_instance_idx;
- encode_obj_versioned_data_key(key, &first_instance_idx);
- string start_key;
-
- if (!name.empty()) {
- start_key = first_instance_idx;
- } else {
- start_key = BI_PREFIX_CHAR;
- start_key.append(bucket_index_prefixes[BI_BUCKET_OBJ_INSTANCE_INDEX]);
- }
- string filter = start_key;
- if (bi_entry_gt(marker, start_key)) {
- start_key = marker;
- }
- int count = 0;
- map<string, bufferlist> keys;
- bufferlist k;
- int ret = cls_cxx_map_get_val(hctx, start_key, &k);
- if (ret < 0 && ret != -ENOENT) {
- return ret;
- }
- bool found_first = (ret == 0);
- if (found_first) {
- --max;
- }
- if (max > 0) {
- ret = cls_cxx_map_get_vals(hctx, start_key, string(), max, &keys, pmore);
- CLS_LOG(20, "%s(): start_key=%s first_instance_idx=%s keys.size()=%d", __func__, escape_str(start_key).c_str(), escape_str(first_instance_idx).c_str(), (int)keys.size());
- if (ret < 0) {
- return ret;
- }
- }
- if (found_first) {
- keys[start_key].claim(k);
- }
-
- map<string, bufferlist>::iterator iter;
- for (iter = keys.begin(); iter != keys.end(); ++iter) {
- rgw_cls_bi_entry entry;
- entry.type = InstanceIdx;
- entry.idx = iter->first;
- entry.data = iter->second;
-
- if (!filter.empty() && entry.idx.compare(0, filter.size(), filter) != 0) {
- return count;
- }
-
- CLS_LOG(20, "%s(): entry.idx=%s", __func__, escape_str(entry.idx).c_str());
-
- bufferlist::iterator biter = entry.data.begin();
-
- rgw_bucket_dir_entry e;
- try {
- ::decode(e, biter);
- } catch (buffer::error& err) {
- CLS_LOG(0, "ERROR: %s(): failed to decode buffer (size=%d)", __func__, entry.data.length());
- return -EIO;
- }
-
- if (!name.empty() && e.key.name != name) {
- return count;
- }
-
- entries->push_back(entry);
- count++;
- start_key = entry.idx;
- }
-
- return count;
-}
-
-static int list_olh_entries(cls_method_context_t hctx, const string& name, const string& marker, uint32_t max,
- list<rgw_cls_bi_entry> *entries, bool *pmore)
-{
- cls_rgw_obj_key key(name);
- string first_instance_idx;
- encode_olh_data_key(key, &first_instance_idx);
- string start_key;
-
- if (!name.empty()) {
- start_key = first_instance_idx;
- } else {
- start_key = BI_PREFIX_CHAR;
- start_key.append(bucket_index_prefixes[BI_BUCKET_OLH_DATA_INDEX]);
- }
- string filter = start_key;
- if (bi_entry_gt(marker, start_key)) {
- start_key = marker;
- }
- int count = 0;
- map<string, bufferlist> keys;
- int ret;
- bufferlist k;
- ret = cls_cxx_map_get_val(hctx, start_key, &k);
- if (ret < 0 && ret != -ENOENT) {
- return ret;
- }
- bool found_first = (ret == 0);
- if (found_first) {
- --max;
- }
- if (max > 0) {
- ret = cls_cxx_map_get_vals(hctx, start_key, string(), max, &keys, pmore);
- CLS_LOG(20, "%s(): start_key=%s first_instance_idx=%s keys.size()=%d", __func__, escape_str(start_key).c_str(), escape_str(first_instance_idx).c_str(), (int)keys.size());
- if (ret < 0) {
- return ret;
- }
- }
-
- if (found_first) {
- keys[start_key].claim(k);
- }
-
- map<string, bufferlist>::iterator iter;
- for (iter = keys.begin(); iter != keys.end(); ++iter) {
- rgw_cls_bi_entry entry;
- entry.type = OLHIdx;
- entry.idx = iter->first;
- entry.data = iter->second;
-
- if (!filter.empty() && entry.idx.compare(0, filter.size(), filter) != 0) {
- return count;
- }
-
- CLS_LOG(20, "%s(): entry.idx=%s", __func__, escape_str(entry.idx).c_str());
-
- bufferlist::iterator biter = entry.data.begin();
-
- rgw_bucket_olh_entry e;
- try {
- ::decode(e, biter);
- } catch (buffer::error& err) {
- CLS_LOG(0, "ERROR: %s(): failed to decode buffer (size=%d)", __func__, entry.data.length());
- return -EIO;
- }
-
- if (!name.empty() && e.key.name != name) {
- return count;
- }
-
- entries->push_back(entry);
- count++;
- start_key = entry.idx;
- }
-
- return count;
-}
-
-static int rgw_bi_list_op(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- // decode request
- rgw_cls_bi_list_op op;
- bufferlist::iterator iter = in->begin();
- try {
- ::decode(op, iter);
- } catch (buffer::error& err) {
- CLS_LOG(0, "ERROR: %s(): failed to decode request", __func__);
- return -EINVAL;
- }
-
- rgw_cls_bi_list_ret op_ret;
-
- string filter = op.name;
-#define MAX_BI_LIST_ENTRIES 1000
- int32_t max = (op.max < MAX_BI_LIST_ENTRIES ? op.max : MAX_BI_LIST_ENTRIES);
- string start_key = op.marker;
- bool more;
- int ret = list_plain_entries(hctx, op.name, op.marker, max, &op_ret.entries, &more);
- if (ret < 0) {
- CLS_LOG(0, "ERROR: %s(): list_plain_entries retured ret=%d", __func__, ret);
- return ret;
- }
- int count = ret;
-
- CLS_LOG(20, "found %d plain entries", count);
-
- if (!more) {
- ret = list_instance_entries(hctx, op.name, op.marker, max - count, &op_ret.entries, &more);
- if (ret < 0) {
- CLS_LOG(0, "ERROR: %s(): list_instance_entries retured ret=%d", __func__, ret);
- return ret;
- }
-
- count += ret;
- }
-
- if (!more) {
- ret = list_olh_entries(hctx, op.name, op.marker, max - count, &op_ret.entries, &more);
- if (ret < 0) {
- CLS_LOG(0, "ERROR: %s(): list_olh_entries retured ret=%d", __func__, ret);
- return ret;
- }
-
- count += ret;
- }
-
- op_ret.is_truncated = (count >= max) || more;
- while (count >= max) {
- op_ret.entries.pop_back();
- count--;
- }
-
- ::encode(op_ret, *out);
-
- return 0;
-}
-
-int bi_log_record_decode(bufferlist& bl, rgw_bi_log_entry& e)
-{
- bufferlist::iterator iter = bl.begin();
- try {
- ::decode(e, iter);
- } catch (buffer::error& err) {
- CLS_LOG(0, "ERROR: failed to decode rgw_bi_log_entry");
- return -EIO;
- }
- return 0;
-}
-
-static int bi_log_iterate_entries(cls_method_context_t hctx, const string& marker, const string& end_marker,
- string& key_iter, uint32_t max_entries, bool *truncated,
- int (*cb)(cls_method_context_t, const string&, rgw_bi_log_entry&, void *),
- void *param)
-{
- CLS_LOG(10, "bi_log_iterate_range");
-
- map<string, bufferlist> keys;
- string filter_prefix, end_key;
- uint32_t i = 0;
- string key;
-
- if (truncated)
- *truncated = false;
-
- string start_key;
- if (key_iter.empty()) {
- key = BI_PREFIX_CHAR;
- key.append(bucket_index_prefixes[BI_BUCKET_LOG_INDEX]);
- key.append(marker);
-
- start_key = key;
- } else {
- start_key = key_iter;
- }
-
- if (end_marker.empty()) {
- end_key = BI_PREFIX_CHAR;
- end_key.append(bucket_index_prefixes[BI_BUCKET_LOG_INDEX + 1]);
- } else {
- end_key = BI_PREFIX_CHAR;
- end_key.append(bucket_index_prefixes[BI_BUCKET_LOG_INDEX]);
- end_key.append(end_marker);
- }
-
- CLS_LOG(0, "bi_log_iterate_entries start_key=%s end_key=%s\n", start_key.c_str(), end_key.c_str());
-
- string filter;
-
- int ret = cls_cxx_map_get_vals(hctx, start_key, filter, max_entries, &keys, truncated);
- if (ret < 0)
- return ret;
-
- map<string, bufferlist>::iterator iter = keys.begin();
- if (iter == keys.end())
- return 0;
-
- uint32_t num_keys = keys.size();
-
- for (; iter != keys.end(); ++iter,++i) {
- const string& key = iter->first;
- rgw_bi_log_entry e;
-
- CLS_LOG(0, "bi_log_iterate_entries key=%s bl.length=%d\n", key.c_str(), (int)iter->second.length());
-
- if (key.compare(end_key) > 0) {
- key_iter = key;
- return 0;
- }
-
- ret = bi_log_record_decode(iter->second, e);
- if (ret < 0)
- return ret;
-
- ret = cb(hctx, key, e, param);
- if (ret < 0)
- return ret;
-
- if (i == num_keys - 1) {
- key_iter = key;
- }
- }
-
- return 0;
-}
-
-static int bi_log_list_cb(cls_method_context_t hctx, const string& key, rgw_bi_log_entry& info, void *param)
-{
- list<rgw_bi_log_entry> *l = (list<rgw_bi_log_entry> *)param;
- l->push_back(info);
- return 0;
-}
-
-static int bi_log_list_entries(cls_method_context_t hctx, const string& marker,
- uint32_t max, list<rgw_bi_log_entry>& entries, bool *truncated)
-{
- string key_iter;
- string end_marker;
- int ret = bi_log_iterate_entries(hctx, marker, end_marker,
- key_iter, max, truncated,
- bi_log_list_cb, &entries);
- return ret;
-}
-
-static int rgw_bi_log_list(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- bufferlist::iterator in_iter = in->begin();
-
- cls_rgw_bi_log_list_op op;
- try {
- ::decode(op, in_iter);
- } catch (buffer::error& err) {
- CLS_LOG(1, "ERROR: rgw_bi_log_list(): failed to decode entry\n");
- return -EINVAL;
- }
-
- cls_rgw_bi_log_list_ret op_ret;
- int ret = bi_log_list_entries(hctx, op.marker, op.max, op_ret.entries, &op_ret.truncated);
- if (ret < 0)
- return ret;
-
- ::encode(op_ret, *out);
-
- return 0;
-}
-
-static int bi_log_list_trim_cb(cls_method_context_t hctx, const string& key, rgw_bi_log_entry& info, void *param)
-{
- list<rgw_bi_log_entry> *entries = (list<rgw_bi_log_entry> *)param;
-
- entries->push_back(info);
- return 0;
-}
-
-static int bi_log_remove_entry(cls_method_context_t hctx, rgw_bi_log_entry& entry)
-{
- string key;
- key = BI_PREFIX_CHAR;
- key.append(bucket_index_prefixes[BI_BUCKET_LOG_INDEX]);
- key.append(entry.id);
- return cls_cxx_map_remove_key(hctx, key);
-}
-
-static int bi_log_list_trim_entries(cls_method_context_t hctx,
- const string& start_marker, const string& end_marker,
- list<rgw_bi_log_entry>& entries, bool *truncated)
-{
- string key_iter;
-#define MAX_TRIM_ENTRIES 1000 /* max entries to trim in a single operation */
- int ret = bi_log_iterate_entries(hctx, start_marker, end_marker,
- key_iter, MAX_TRIM_ENTRIES, truncated,
- bi_log_list_trim_cb, &entries);
- return ret;
-}
-
-static int rgw_bi_log_trim(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- bufferlist::iterator in_iter = in->begin();
-
- cls_rgw_bi_log_trim_op op;
- try {
- ::decode(op, in_iter);
- } catch (buffer::error& err) {
- CLS_LOG(1, "ERROR: rgw_bi_log_list(): failed to decode entry\n");
- return -EINVAL;
- }
-
- cls_rgw_bi_log_list_ret op_ret;
- list<rgw_bi_log_entry> entries;
-#define MAX_TRIM_ENTRIES 1000 /* don't do more than that in a single operation */
- bool truncated;
- int ret = bi_log_list_trim_entries(hctx, op.start_marker, op.end_marker, entries, &truncated);
- if (ret < 0)
- return ret;
-
- if (entries.empty())
- return -ENODATA;
-
- list<rgw_bi_log_entry>::iterator iter;
- for (iter = entries.begin(); iter != entries.end(); ++iter) {
- rgw_bi_log_entry& entry = *iter;
-
- ret = bi_log_remove_entry(hctx, entry);
- if (ret < 0)
- return ret;
- }
-
- return 0;
-}
-
-static int rgw_bi_log_resync(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- struct rgw_bucket_dir_header header;
- int rc = read_bucket_header(hctx, &header);
- if (rc < 0) {
- CLS_LOG(1, "ERROR: rgw_bucket_complete_op(): failed to read header\n");
- return rc;
- }
-
- bufferlist bl;
-
- struct rgw_bi_log_entry entry;
-
- entry.timestamp = real_clock::now();
- entry.op = RGWModifyOp::CLS_RGW_OP_RESYNC;
- entry.state = RGWPendingState::CLS_RGW_STATE_COMPLETE;
-
- string key;
- bi_log_index_key(hctx, key, entry.id, header.ver);
-
- ::encode(entry, bl);
-
- if (entry.id > header.max_marker)
- header.max_marker = entry.id;
-
- header.syncstopped = false;
-
- rc = cls_cxx_map_set_val(hctx, key, &bl);
- if (rc < 0)
- return rc;
-
- return write_bucket_header(hctx, &header);
-}
-
-static int rgw_bi_log_stop(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- struct rgw_bucket_dir_header header;
- int rc = read_bucket_header(hctx, &header);
- if (rc < 0) {
- CLS_LOG(1, "ERROR: rgw_bucket_complete_op(): failed to read header\n");
- return rc;
- }
-
- bufferlist bl;
-
- struct rgw_bi_log_entry entry;
-
- entry.timestamp = real_clock::now();
- entry.op = RGWModifyOp::CLS_RGW_OP_SYNCSTOP;
- entry.state = RGWPendingState::CLS_RGW_STATE_COMPLETE;
-
- string key;
- bi_log_index_key(hctx, key, entry.id, header.ver);
-
- ::encode(entry, bl);
-
- if (entry.id > header.max_marker)
- header.max_marker = entry.id;
- header.syncstopped = true;
-
- rc = cls_cxx_map_set_val(hctx, key, &bl);
- if (rc < 0)
- return rc;
-
- return write_bucket_header(hctx, &header);
-}
-
-
-static void usage_record_prefix_by_time(uint64_t epoch, string& key)
-{
- char buf[32];
- snprintf(buf, sizeof(buf), "%011llu", (long long unsigned)epoch);
- key = buf;
-}
-
-static void usage_record_prefix_by_user(string& user, uint64_t epoch, string& key)
-{
- char buf[user.size() + 32];
- snprintf(buf, sizeof(buf), "%s_%011llu_", user.c_str(), (long long unsigned)epoch);
- key = buf;
-}
-
-static void usage_record_name_by_time(uint64_t epoch, const string& user, string& bucket, string& key)
-{
- char buf[32 + user.size() + bucket.size()];
- snprintf(buf, sizeof(buf), "%011llu_%s_%s", (long long unsigned)epoch, user.c_str(), bucket.c_str());
- key = buf;
-}
-
-static void usage_record_name_by_user(const string& user, uint64_t epoch, string& bucket, string& key)
-{
- char buf[32 + user.size() + bucket.size()];
- snprintf(buf, sizeof(buf), "%s_%011llu_%s", user.c_str(), (long long unsigned)epoch, bucket.c_str());
- key = buf;
-}
-
-static int usage_record_decode(bufferlist& record_bl, rgw_usage_log_entry& e)
-{
- bufferlist::iterator kiter = record_bl.begin();
- try {
- ::decode(e, kiter);
- } catch (buffer::error& err) {
- CLS_LOG(1, "ERROR: usage_record_decode(): failed to decode record_bl\n");
- return -EINVAL;
- }
-
- return 0;
-}
-
-int rgw_user_usage_log_add(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- CLS_LOG(10, "rgw_user_usage_log_add()");
-
- bufferlist::iterator in_iter = in->begin();
- rgw_cls_usage_log_add_op op;
-
- try {
- ::decode(op, in_iter);
- } catch (buffer::error& err) {
- CLS_LOG(1, "ERROR: rgw_user_usage_log_add(): failed to decode request\n");
- return -EINVAL;
- }
-
- rgw_usage_log_info& info = op.info;
- vector<rgw_usage_log_entry>::iterator iter;
-
- for (iter = info.entries.begin(); iter != info.entries.end(); ++iter) {
- rgw_usage_log_entry& entry = *iter;
- string key_by_time;
-
- rgw_user *puser = (entry.payer.empty() ? &entry.owner : &entry.payer);
-
- usage_record_name_by_time(entry.epoch, puser->to_str(), entry.bucket, key_by_time);
-
- CLS_LOG(10, "rgw_user_usage_log_add user=%s bucket=%s\n", puser->to_str().c_str(), entry.bucket.c_str());
-
- bufferlist record_bl;
- int ret = cls_cxx_map_get_val(hctx, key_by_time, &record_bl);
- if (ret < 0 && ret != -ENOENT) {
- CLS_LOG(1, "ERROR: rgw_user_usage_log_add(): cls_cxx_map_read_key returned %d\n", ret);
- return -EINVAL;
- }
- if (ret >= 0) {
- rgw_usage_log_entry e;
- ret = usage_record_decode(record_bl, e);
- if (ret < 0)
- return ret;
- CLS_LOG(10, "rgw_user_usage_log_add aggregating existing bucket\n");
- entry.aggregate(e);
- }
-
- bufferlist new_record_bl;
- ::encode(entry, new_record_bl);
- ret = cls_cxx_map_set_val(hctx, key_by_time, &new_record_bl);
- if (ret < 0)
- return ret;
-
- string key_by_user;
- usage_record_name_by_user(puser->to_str(), entry.epoch, entry.bucket, key_by_user);
- ret = cls_cxx_map_set_val(hctx, key_by_user, &new_record_bl);
- if (ret < 0)
- return ret;
- }
-
- return 0;
-}
-
-static int usage_iterate_range(cls_method_context_t hctx, uint64_t start, uint64_t end,
- string& user, string& key_iter, uint32_t max_entries, bool *truncated,
- int (*cb)(cls_method_context_t, const string&, rgw_usage_log_entry&, void *),
- void *param)
-{
- CLS_LOG(10, "usage_iterate_range");
-
- map<string, bufferlist> keys;
-#define NUM_KEYS 32
- string filter_prefix;
- string start_key, end_key;
- bool by_user = !user.empty();
- uint32_t i = 0;
- string user_key;
- bool truncated_status = false;
-
- if (!by_user) {
- usage_record_prefix_by_time(end, end_key);
- } else {
- user_key = user;
- user_key.append("_");
- }
-
- if (key_iter.empty()) {
- if (by_user) {
- usage_record_prefix_by_user(user, start, start_key);
- } else {
- usage_record_prefix_by_time(start, start_key);
- }
- } else {
- start_key = key_iter;
- }
-
- CLS_LOG(20, "usage_iterate_range start_key=%s", start_key.c_str());
- int ret = cls_cxx_map_get_vals(hctx, start_key, filter_prefix, max_entries, &keys, &truncated_status);
- if (ret < 0)
- return ret;
-
- if (truncated) {
- *truncated = truncated_status;
- }
-
- map<string, bufferlist>::iterator iter = keys.begin();
- if (iter == keys.end())
- return 0;
-
- uint32_t num_keys = keys.size();
-
- for (; iter != keys.end(); ++iter,++i) {
- const string& key = iter->first;
- rgw_usage_log_entry e;
-
- if (!by_user && key.compare(end_key) >= 0) {
- CLS_LOG(20, "usage_iterate_range reached key=%s, done", key.c_str());
- if (truncated_status) {
- key_iter = key;
- }
- return 0;
- }
-
- if (by_user && key.compare(0, user_key.size(), user_key) != 0) {
- CLS_LOG(20, "usage_iterate_range reached key=%s, done", key.c_str());
- if (truncated_status) {
- key_iter = key;
- }
- return 0;
- }
-
- ret = usage_record_decode(iter->second, e);
- if (ret < 0)
- return ret;
-
- if (e.epoch < start)
- continue;
-
- /* keys are sorted by epoch, so once we're past end we're done */
- if (e.epoch >= end)
- return 0;
-
- ret = cb(hctx, key, e, param);
- if (ret < 0)
- return ret;
-
-
- if (i == num_keys - 1) {
- key_iter = key;
- return 0;
- }
- }
- return 0;
-}
-
-static int usage_log_read_cb(cls_method_context_t hctx, const string& key, rgw_usage_log_entry& entry, void *param)
-{
- map<rgw_user_bucket, rgw_usage_log_entry> *usage = (map<rgw_user_bucket, rgw_usage_log_entry> *)param;
- rgw_user *puser;
- if (!entry.payer.empty()) {
- puser = &entry.payer;
- } else {
- puser = &entry.owner;
- }
- rgw_user_bucket ub(puser->to_str(), entry.bucket);
- rgw_usage_log_entry& le = (*usage)[ub];
- le.aggregate(entry);
-
- return 0;
-}
-
-int rgw_user_usage_log_read(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- CLS_LOG(10, "rgw_user_usage_log_read()");
-
- bufferlist::iterator in_iter = in->begin();
- rgw_cls_usage_log_read_op op;
-
- try {
- ::decode(op, in_iter);
- } catch (buffer::error& err) {
- CLS_LOG(1, "ERROR: rgw_user_usage_log_read(): failed to decode request\n");
- return -EINVAL;
- }
-
- rgw_cls_usage_log_read_ret ret_info;
- map<rgw_user_bucket, rgw_usage_log_entry> *usage = &ret_info.usage;
- string iter = op.iter;
-#define MAX_ENTRIES 1000
- uint32_t max_entries = (op.max_entries ? op.max_entries : MAX_ENTRIES);
- int ret = usage_iterate_range(hctx, op.start_epoch, op.end_epoch, op.owner, iter, max_entries, &ret_info.truncated, usage_log_read_cb, (void *)usage);
- if (ret < 0)
- return ret;
-
- if (ret_info.truncated)
- ret_info.next_iter = iter;
-
- ::encode(ret_info, *out);
- return 0;
-}
-
-static int usage_log_trim_cb(cls_method_context_t hctx, const string& key, rgw_usage_log_entry& entry, void *param)
-{
- string key_by_time;
- string key_by_user;
-
- string o = entry.owner.to_str();
- usage_record_name_by_time(entry.epoch, o, entry.bucket, key_by_time);
- usage_record_name_by_user(o, entry.epoch, entry.bucket, key_by_user);
-
- int ret = cls_cxx_map_remove_key(hctx, key_by_time);
- if (ret < 0)
- return ret;
-
- return cls_cxx_map_remove_key(hctx, key_by_user);
-}
-
-int rgw_user_usage_log_trim(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- CLS_LOG(10, "rgw_user_usage_log_trim()");
-
- /* only continue if object exists! */
- int ret = cls_cxx_stat(hctx, NULL, NULL);
- if (ret < 0)
- return ret;
-
- bufferlist::iterator in_iter = in->begin();
- rgw_cls_usage_log_trim_op op;
-
- try {
- ::decode(op, in_iter);
- } catch (buffer::error& err) {
- CLS_LOG(1, "ERROR: rgw_user_log_usage_log_trim(): failed to decode request\n");
- return -EINVAL;
- }
-
- string iter;
- bool more;
-#define MAX_USAGE_TRIM_ENTRIES 128
- ret = usage_iterate_range(hctx, op.start_epoch, op.end_epoch, op.user, iter, MAX_USAGE_TRIM_ENTRIES, &more, usage_log_trim_cb, NULL);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-
-/*
- * We hold the garbage collection chain data under two different indexes: the first 'name' index
- * keeps them under a unique tag that represents the chains, and a second 'time' index keeps
- * them by their expiration timestamp
- */
-#define GC_OBJ_NAME_INDEX 0
-#define GC_OBJ_TIME_INDEX 1
-
-static string gc_index_prefixes[] = { "0_",
- "1_" };
-
-static void prepend_index_prefix(const string& src, int index, string *dest)
-{
- *dest = gc_index_prefixes[index];
- dest->append(src);
-}
-
-static int gc_omap_get(cls_method_context_t hctx, int type, const string& key, cls_rgw_gc_obj_info *info)
-{
- string index;
- prepend_index_prefix(key, type, &index);
-
- bufferlist bl;
- int ret = cls_cxx_map_get_val(hctx, index, &bl);
- if (ret < 0)
- return ret;
-
- try {
- bufferlist::iterator iter = bl.begin();
- ::decode(*info, iter);
- } catch (buffer::error& err) {
- CLS_LOG(0, "ERROR: rgw_cls_gc_omap_get(): failed to decode index=%s\n", index.c_str());
- }
-
- return 0;
-}
-
-static int gc_omap_set(cls_method_context_t hctx, int type, const string& key, const cls_rgw_gc_obj_info *info)
-{
- bufferlist bl;
- ::encode(*info, bl);
-
- string index = gc_index_prefixes[type];
- index.append(key);
-
- int ret = cls_cxx_map_set_val(hctx, index, &bl);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-
-static int gc_omap_remove(cls_method_context_t hctx, int type, const string& key)
-{
- string index = gc_index_prefixes[type];
- index.append(key);
-
- int ret = cls_cxx_map_remove_key(hctx, index);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-
-static bool key_in_index(const string& key, int index_type)
-{
- const string& prefix = gc_index_prefixes[index_type];
- return (key.compare(0, prefix.size(), prefix) == 0);
-}
-
-
-static int gc_update_entry(cls_method_context_t hctx, uint32_t expiration_secs,
- cls_rgw_gc_obj_info& info)
-{
- cls_rgw_gc_obj_info old_info;
- int ret = gc_omap_get(hctx, GC_OBJ_NAME_INDEX, info.tag, &old_info);
- if (ret == 0) {
- string key;
- get_time_key(old_info.time, &key);
- ret = gc_omap_remove(hctx, GC_OBJ_TIME_INDEX, key);
- if (ret < 0 && ret != -ENOENT) {
- CLS_LOG(0, "ERROR: failed to remove key=%s\n", key.c_str());
- return ret;
- }
- }
- info.time = ceph::real_clock::now();
- info.time += make_timespan(expiration_secs);
- ret = gc_omap_set(hctx, GC_OBJ_NAME_INDEX, info.tag, &info);
- if (ret < 0)
- return ret;
-
- string key;
- get_time_key(info.time, &key);
- ret = gc_omap_set(hctx, GC_OBJ_TIME_INDEX, key, &info);
- if (ret < 0)
- goto done_err;
-
- return 0;
-
-done_err:
- CLS_LOG(0, "ERROR: gc_set_entry error info.tag=%s, ret=%d\n", info.tag.c_str(), ret);
- gc_omap_remove(hctx, GC_OBJ_NAME_INDEX, info.tag);
- return ret;
-}
-
-static int gc_defer_entry(cls_method_context_t hctx, const string& tag, uint32_t expiration_secs)
-{
- cls_rgw_gc_obj_info info;
- int ret = gc_omap_get(hctx, GC_OBJ_NAME_INDEX, tag, &info);
- if (ret == -ENOENT)
- return 0;
- if (ret < 0)
- return ret;
- return gc_update_entry(hctx, expiration_secs, info);
-}
-
-int gc_record_decode(bufferlist& bl, cls_rgw_gc_obj_info& e)
-{
- bufferlist::iterator iter = bl.begin();
- try {
- ::decode(e, iter);
- } catch (buffer::error& err) {
- CLS_LOG(0, "ERROR: failed to decode cls_rgw_gc_obj_info");
- return -EIO;
- }
- return 0;
-}
-
-static int rgw_cls_gc_set_entry(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- bufferlist::iterator in_iter = in->begin();
-
- cls_rgw_gc_set_entry_op op;
- try {
- ::decode(op, in_iter);
- } catch (buffer::error& err) {
- CLS_LOG(1, "ERROR: rgw_cls_gc_set_entry(): failed to decode entry\n");
- return -EINVAL;
- }
-
- return gc_update_entry(hctx, op.expiration_secs, op.info);
-}
-
-static int rgw_cls_gc_defer_entry(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- bufferlist::iterator in_iter = in->begin();
-
- cls_rgw_gc_defer_entry_op op;
- try {
- ::decode(op, in_iter);
- } catch (buffer::error& err) {
- CLS_LOG(1, "ERROR: rgw_cls_gc_defer_entry(): failed to decode entry\n");
- return -EINVAL;
- }
-
- return gc_defer_entry(hctx, op.tag, op.expiration_secs);
-}
-
-static int gc_iterate_entries(cls_method_context_t hctx, const string& marker, bool expired_only,
- string& key_iter, uint32_t max_entries, bool *truncated,
- int (*cb)(cls_method_context_t, const string&, cls_rgw_gc_obj_info&, void *),
- void *param)
-{
- CLS_LOG(10, "gc_iterate_range");
-
- map<string, bufferlist> keys;
- string filter_prefix, end_key;
- uint32_t i = 0;
- string key;
-
- if (truncated)
- *truncated = false;
-
- string start_key;
- if (marker.empty()) {
- prepend_index_prefix(marker, GC_OBJ_TIME_INDEX, &start_key);
- } else {
- start_key = marker;
- }
-
- if (expired_only) {
- real_time now = ceph::real_clock::now();
- string now_str;
- get_time_key(now, &now_str);
- prepend_index_prefix(now_str, GC_OBJ_TIME_INDEX, &end_key);
-
- CLS_LOG(0, "gc_iterate_entries end_key=%s\n", end_key.c_str());
- }
-
- string filter;
-
- int ret = cls_cxx_map_get_vals(hctx, start_key, filter, max_entries, &keys, truncated);
- if (ret < 0)
- return ret;
-
-
- map<string, bufferlist>::iterator iter = keys.begin();
- if (iter == keys.end())
- return 0;
-
- uint32_t num_keys = keys.size();
-
- for (; iter != keys.end(); ++iter, ++i) {
- const string& key = iter->first;
- cls_rgw_gc_obj_info e;
-
- CLS_LOG(10, "gc_iterate_entries key=%s\n", key.c_str());
-
- if (!end_key.empty() && key.compare(end_key) >= 0)
- return 0;
-
- if (!key_in_index(key, GC_OBJ_TIME_INDEX))
- return 0;
-
- ret = gc_record_decode(iter->second, e);
- if (ret < 0)
- return ret;
-
- ret = cb(hctx, key, e, param);
- if (ret < 0)
- return ret;
-
- if (i == num_keys - 1) {
- key_iter = key;
- }
- }
-
- return 0;
-}
-
-static int gc_list_cb(cls_method_context_t hctx, const string& key, cls_rgw_gc_obj_info& info, void *param)
-{
- list<cls_rgw_gc_obj_info> *l = (list<cls_rgw_gc_obj_info> *)param;
- l->push_back(info);
- return 0;
-}
-
-static int gc_list_entries(cls_method_context_t hctx, const string& marker,
- uint32_t max, bool expired_only,
- list<cls_rgw_gc_obj_info>& entries, bool *truncated, string& next_marker)
-{
- int ret = gc_iterate_entries(hctx, marker, expired_only,
- next_marker, max, truncated,
- gc_list_cb, &entries);
- return ret;
-}
-
-static int rgw_cls_gc_list(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- bufferlist::iterator in_iter = in->begin();
-
- cls_rgw_gc_list_op op;
- try {
- ::decode(op, in_iter);
- } catch (buffer::error& err) {
- CLS_LOG(1, "ERROR: rgw_cls_gc_list(): failed to decode entry\n");
- return -EINVAL;
- }
-
- cls_rgw_gc_list_ret op_ret;
-#define GC_LIST_ENTRIES_DEFAULT 128
- int ret = gc_list_entries(hctx, op.marker, (op.max ? op.max : GC_LIST_ENTRIES_DEFAULT), op.expired_only,
- op_ret.entries, &op_ret.truncated, op_ret.next_marker);
- if (ret < 0)
- return ret;
-
- ::encode(op_ret, *out);
-
- return 0;
-}
-
-static int gc_remove(cls_method_context_t hctx, list<string>& tags)
-{
- list<string>::iterator iter;
-
- for (iter = tags.begin(); iter != tags.end(); ++iter) {
- string& tag = *iter;
- cls_rgw_gc_obj_info info;
- int ret = gc_omap_get(hctx, GC_OBJ_NAME_INDEX, tag, &info);
- if (ret == -ENOENT) {
- CLS_LOG(0, "couldn't find tag in name index tag=%s\n", tag.c_str());
- continue;
- }
-
- if (ret < 0)
- return ret;
-
- string time_key;
- get_time_key(info.time, &time_key);
- ret = gc_omap_remove(hctx, GC_OBJ_TIME_INDEX, time_key);
- if (ret < 0 && ret != -ENOENT)
- return ret;
- if (ret == -ENOENT) {
- CLS_LOG(0, "couldn't find key in time index key=%s\n", time_key.c_str());
- }
-
- ret = gc_omap_remove(hctx, GC_OBJ_NAME_INDEX, tag);
- if (ret < 0 && ret != -ENOENT)
- return ret;
- }
-
- return 0;
-}
-
-static int rgw_cls_gc_remove(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- bufferlist::iterator in_iter = in->begin();
-
- cls_rgw_gc_remove_op op;
- try {
- ::decode(op, in_iter);
- } catch (buffer::error& err) {
- CLS_LOG(1, "ERROR: rgw_cls_gc_remove(): failed to decode entry\n");
- return -EINVAL;
- }
-
- return gc_remove(hctx, op.tags);
-}
-
-static int rgw_cls_lc_set_entry(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- bufferlist::iterator in_iter = in->begin();
-
- cls_rgw_lc_set_entry_op op;
- try {
- ::decode(op, in_iter);
- } catch (buffer::error& err) {
- CLS_LOG(1, "ERROR: rgw_cls_lc_set_entry(): failed to decode entry\n");
- return -EINVAL;
- }
-
- bufferlist bl;
- ::encode(op.entry, bl);
-
- int ret = cls_cxx_map_set_val(hctx, op.entry.first, &bl);
- return ret;
-}
-
-static int rgw_cls_lc_rm_entry(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- bufferlist::iterator in_iter = in->begin();
-
- cls_rgw_lc_rm_entry_op op;
- try {
- ::decode(op, in_iter);
- } catch (buffer::error& err) {
- CLS_LOG(1, "ERROR: rgw_cls_lc_rm_entry(): failed to decode entry\n");
- return -EINVAL;
- }
-
- bufferlist bl;
- ::encode(op.entry, bl);
-
- int ret = cls_cxx_map_remove_key(hctx, op.entry.first);
- return ret;
-}
-
-static int rgw_cls_lc_get_next_entry(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- bufferlist::iterator in_iter = in->begin();
- cls_rgw_lc_get_next_entry_ret op_ret;
- cls_rgw_lc_get_next_entry_op op;
- try {
- ::decode(op, in_iter);
- } catch (buffer::error& err) {
- CLS_LOG(1, "ERROR: rgw_cls_lc_get_next_entry: failed to decode op\n");
- return -EINVAL;
- }
-
- map<string, bufferlist> vals;
- string filter_prefix;
- bool more;
- int ret = cls_cxx_map_get_vals(hctx, op.marker, filter_prefix, 1, &vals, &more);
- if (ret < 0)
- return ret;
- map<string, bufferlist>::iterator it;
- pair<string, int> entry;
- if (!vals.empty()) {
- it=vals.begin();
- in_iter = it->second.begin();
- try {
- ::decode(entry, in_iter);
- } catch (buffer::error& err) {
- CLS_LOG(1, "ERROR: rgw_cls_lc_get_next_entry(): failed to decode entry\n");
- return -EIO;
- }
- }
- op_ret.entry = entry;
- ::encode(op_ret, *out);
- return 0;
-}
-
-static int rgw_cls_lc_list_entries(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- cls_rgw_lc_list_entries_op op;
- bufferlist::iterator in_iter = in->begin();
- try {
- ::decode(op, in_iter);
- } catch (buffer::error& err) {
- CLS_LOG(1, "ERROR: rgw_cls_lc_list_entries(): failed to decode op\n");
- return -EINVAL;
- }
-
- cls_rgw_lc_list_entries_ret op_ret;
- bufferlist::iterator iter;
- map<string, bufferlist> vals;
- string filter_prefix;
- int ret = cls_cxx_map_get_vals(hctx, op.marker, filter_prefix, op.max_entries, &vals, &op_ret.is_truncated);
- if (ret < 0)
- return ret;
- map<string, bufferlist>::iterator it;
- pair<string, int> entry;
- for (it = vals.begin(); it != vals.end(); ++it) {
- iter = it->second.begin();
- try {
- ::decode(entry, iter);
- } catch (buffer::error& err) {
- CLS_LOG(1, "ERROR: rgw_cls_lc_list_entries(): failed to decode entry\n");
- return -EIO;
- }
- op_ret.entries.insert(entry);
- }
- ::encode(op_ret, *out);
- return 0;
-}
-
-static int rgw_cls_lc_put_head(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- bufferlist::iterator in_iter = in->begin();
-
- cls_rgw_lc_put_head_op op;
- try {
- ::decode(op, in_iter);
- } catch (buffer::error& err) {
- CLS_LOG(1, "ERROR: rgw_cls_lc_put_head(): failed to decode entry\n");
- return -EINVAL;
- }
-
- bufferlist bl;
- ::encode(op.head, bl);
- int ret = cls_cxx_map_write_header(hctx,&bl);
- return ret;
-}
-
-static int rgw_cls_lc_get_head(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- bufferlist bl;
- int ret = cls_cxx_map_read_header(hctx, &bl);
- if (ret < 0)
- return ret;
- cls_rgw_lc_obj_head head;
- if (bl.length() != 0) {
- bufferlist::iterator iter = bl.begin();
- try {
- ::decode(head, iter);
- } catch (buffer::error& err) {
- CLS_LOG(0, "ERROR: rgw_cls_lc_get_head(): failed to decode entry %s\n",err.what());
- return -EINVAL;
- }
- } else {
- head.start_date = 0;
- head.marker.clear();
- }
- cls_rgw_lc_get_head_ret op_ret;
- op_ret.head = head;
- ::encode(op_ret, *out);
- return 0;
-}
-
-static int rgw_reshard_add(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- bufferlist::iterator in_iter = in->begin();
-
- cls_rgw_reshard_add_op op;
- try {
- ::decode(op, in_iter);
- } catch (buffer::error& err) {
- CLS_LOG(1, "ERROR: rgw_reshard_add: failed to decode entry\n");
- return -EINVAL;
- }
-
-
- string key;
- op.entry.get_key(&key);
-
- bufferlist bl;
- ::encode(op.entry, bl);
- int ret = cls_cxx_map_set_val(hctx, key, &bl);
- if (ret < 0) {
- CLS_ERR("error adding reshard job for bucket %s with key %s",op.entry.bucket_name.c_str(), key.c_str());
- return ret;
- }
-
- return ret;
-}
-
-static int rgw_reshard_list(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- cls_rgw_reshard_list_op op;
- bufferlist::iterator in_iter = in->begin();
- try {
- ::decode(op, in_iter);
- } catch (buffer::error& err) {
- CLS_LOG(1, "ERROR: rgw_cls_rehard_list(): failed to decode entry\n");
- return -EINVAL;
- }
- cls_rgw_reshard_list_ret op_ret;
- bufferlist::iterator iter;
- map<string, bufferlist> vals;
- string filter_prefix;
-#define MAX_RESHARD_LIST_ENTRIES 1000
- /* one extra entry for identifying truncation */
- int32_t max = (op.max && (op.max < MAX_RESHARD_LIST_ENTRIES) ? op.max : MAX_RESHARD_LIST_ENTRIES);
- int ret = cls_cxx_map_get_vals(hctx, op.marker, filter_prefix, max, &vals, &op_ret.is_truncated);
- if (ret < 0)
- return ret;
- map<string, bufferlist>::iterator it;
- cls_rgw_reshard_entry entry;
- int i = 0;
- for (it = vals.begin(); i < (int)op.max && it != vals.end(); ++it, ++i) {
- iter = it->second.begin();
- try {
- ::decode(entry, iter);
- } catch (buffer::error& err) {
- CLS_LOG(1, "ERROR: rgw_cls_rehard_list(): failed to decode entry\n");
- return -EIO;
- }
- op_ret.entries.push_back(entry);
- }
- ::encode(op_ret, *out);
- return 0;
-}
-
-static int get_reshard_entry(cls_method_context_t hctx, const string& key, cls_rgw_reshard_entry *entry)
-{
- bufferlist bl;
- int ret = cls_cxx_map_get_val(hctx, key, &bl);
- if (ret < 0)
- return ret;
- bufferlist::iterator iter = bl.begin();
- try {
- ::decode(*entry, iter);
- } catch (buffer::error& err) {
- CLS_LOG(0, "ERROR: %s : failed to decode entry %s\n", __func__, err.what());
- return -EIO;
- }
- return 0;
-}
-
-static int rgw_reshard_get(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- bufferlist::iterator in_iter = in->begin();
-
- cls_rgw_reshard_get_op op;
- try {
- ::decode(op, in_iter);
- } catch (buffer::error& err) {
- CLS_LOG(1, "ERROR: rgw_reshard_get: failed to decode entry\n");
- return -EINVAL;
- }
-
- string key;
- cls_rgw_reshard_entry entry;
- op.entry.get_key(&key);
- int ret = get_reshard_entry(hctx, key, &entry);
- if (ret < 0) {
- return ret;
- }
-
- cls_rgw_reshard_get_ret op_ret;
- op_ret.entry = entry;
- ::encode(op_ret, *out);
- return 0;
-}
-
-static int rgw_reshard_remove(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- bufferlist::iterator in_iter = in->begin();
-
- cls_rgw_reshard_remove_op op;
- try {
- ::decode(op, in_iter);
- } catch (buffer::error& err) {
- CLS_LOG(1, "ERROR: rgw_cls_rehard_remove: failed to decode entry\n");
- return -EINVAL;
- }
-
- string key;
- cls_rgw_reshard_entry entry;
- cls_rgw_reshard_entry::generate_key(op.tenant, op.bucket_name, &key);
- int ret = get_reshard_entry(hctx, key, &entry);
- if (ret < 0) {
- return ret;
- }
-
- if (!op.bucket_id.empty() &&
- entry.bucket_id != op.bucket_id) {
- return 0;
- }
-
- ret = cls_cxx_map_remove_key(hctx, key);
- if (ret < 0) {
- CLS_LOG(0, "ERROR: failed to remove key: key=%s ret=%d", key.c_str(), ret);
- return 0;
- }
- return ret;
-}
-
-static int rgw_set_bucket_resharding(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- cls_rgw_set_bucket_resharding_op op;
-
- bufferlist::iterator in_iter = in->begin();
- try {
- ::decode(op, in_iter);
- } catch (buffer::error& err) {
- CLS_LOG(1, "ERROR: cls_rgw_set_bucket_resharding: failed to decode entry\n");
- return -EINVAL;
- }
-
- struct rgw_bucket_dir_header header;
- int rc = read_bucket_header(hctx, &header);
- if (rc < 0) {
- CLS_LOG(1, "ERROR: %s(): failed to read header\n", __func__);
- return rc;
- }
-
- header.new_instance.set_status(op.entry.new_bucket_instance_id, op.entry.num_shards, op.entry.reshard_status);
-
- return write_bucket_header(hctx, &header);
-}
-
-static int rgw_clear_bucket_resharding(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- cls_rgw_set_bucket_resharding_op op;
-
- bufferlist::iterator in_iter = in->begin();
- try {
- ::decode(op, in_iter);
- } catch (buffer::error& err) {
- CLS_LOG(1, "ERROR: cls_rgw_clear_bucket_resharding: failed to decode entry\n");
- return -EINVAL;
- }
-
- struct rgw_bucket_dir_header header;
- int rc = read_bucket_header(hctx, &header);
- if (rc < 0) {
- CLS_LOG(1, "ERROR: %s(): failed to read header\n", __func__);
- return rc;
- }
- header.new_instance.clear();
-
- return write_bucket_header(hctx, &header);
-}
-
-static int rgw_guard_bucket_resharding(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- cls_rgw_guard_bucket_resharding_op op;
-
- bufferlist::iterator in_iter = in->begin();
- try {
- ::decode(op, in_iter);
- } catch (buffer::error& err) {
- CLS_LOG(1, "ERROR: cls_rgw_clear_bucket_resharding: failed to decode entry\n");
- return -EINVAL;
- }
-
- struct rgw_bucket_dir_header header;
- int rc = read_bucket_header(hctx, &header);
- if (rc < 0) {
- CLS_LOG(1, "ERROR: %s(): failed to read header\n", __func__);
- return rc;
- }
-
- if (header.resharding()) {
- return op.ret_err;
- }
-
- return 0;
-}
-
-static int rgw_get_bucket_resharding(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
-{
- cls_rgw_get_bucket_resharding_op op;
-
- bufferlist::iterator in_iter = in->begin();
- try {
- ::decode(op, in_iter);
- } catch (buffer::error& err) {
- CLS_LOG(1, "ERROR: cls_rgw_clear_bucket_resharding: failed to decode entry\n");
- return -EINVAL;
- }
-
- struct rgw_bucket_dir_header header;
- int rc = read_bucket_header(hctx, &header);
- if (rc < 0) {
- CLS_LOG(1, "ERROR: %s(): failed to read header\n", __func__);
- return rc;
- }
-
- cls_rgw_get_bucket_resharding_ret op_ret;
- op_ret.new_instance = header.new_instance;
-
- ::encode(op_ret, *out);
-
- return 0;
-}
-
-CLS_INIT(rgw)
-{
- CLS_LOG(1, "Loaded rgw class!");
-
- cls_handle_t h_class;
- cls_method_handle_t h_rgw_bucket_init_index;
- cls_method_handle_t h_rgw_bucket_set_tag_timeout;
- cls_method_handle_t h_rgw_bucket_list;
- cls_method_handle_t h_rgw_bucket_check_index;
- cls_method_handle_t h_rgw_bucket_rebuild_index;
- cls_method_handle_t h_rgw_bucket_update_stats;
- cls_method_handle_t h_rgw_bucket_prepare_op;
- cls_method_handle_t h_rgw_bucket_complete_op;
- cls_method_handle_t h_rgw_bucket_link_olh;
- cls_method_handle_t h_rgw_bucket_unlink_instance_op;
- cls_method_handle_t h_rgw_bucket_read_olh_log;
- cls_method_handle_t h_rgw_bucket_trim_olh_log;
- cls_method_handle_t h_rgw_bucket_clear_olh;
- cls_method_handle_t h_rgw_obj_remove;
- cls_method_handle_t h_rgw_obj_store_pg_ver;
- cls_method_handle_t h_rgw_obj_check_attrs_prefix;
- cls_method_handle_t h_rgw_obj_check_mtime;
- cls_method_handle_t h_rgw_bi_get_op;
- cls_method_handle_t h_rgw_bi_put_op;
- cls_method_handle_t h_rgw_bi_list_op;
- cls_method_handle_t h_rgw_bi_log_list_op;
- cls_method_handle_t h_rgw_bi_log_resync_op;
- cls_method_handle_t h_rgw_bi_log_stop_op;
- cls_method_handle_t h_rgw_dir_suggest_changes;
- cls_method_handle_t h_rgw_user_usage_log_add;
- cls_method_handle_t h_rgw_user_usage_log_read;
- cls_method_handle_t h_rgw_user_usage_log_trim;
- cls_method_handle_t h_rgw_gc_set_entry;
- cls_method_handle_t h_rgw_gc_list;
- cls_method_handle_t h_rgw_gc_remove;
- cls_method_handle_t h_rgw_lc_set_entry;
- cls_method_handle_t h_rgw_lc_rm_entry;
- cls_method_handle_t h_rgw_lc_get_next_entry;
- cls_method_handle_t h_rgw_lc_put_head;
- cls_method_handle_t h_rgw_lc_get_head;
- cls_method_handle_t h_rgw_lc_list_entries;
- cls_method_handle_t h_rgw_reshard_add;
- cls_method_handle_t h_rgw_reshard_list;
- cls_method_handle_t h_rgw_reshard_get;
- cls_method_handle_t h_rgw_reshard_remove;
- cls_method_handle_t h_rgw_set_bucket_resharding;
- cls_method_handle_t h_rgw_clear_bucket_resharding;
- cls_method_handle_t h_rgw_guard_bucket_resharding;
- cls_method_handle_t h_rgw_get_bucket_resharding;
-
-
- cls_register(RGW_CLASS, &h_class);
-
- /* bucket index */
- cls_register_cxx_method(h_class, RGW_BUCKET_INIT_INDEX, CLS_METHOD_RD | CLS_METHOD_WR, rgw_bucket_init_index, &h_rgw_bucket_init_index);
- cls_register_cxx_method(h_class, RGW_BUCKET_SET_TAG_TIMEOUT, CLS_METHOD_RD | CLS_METHOD_WR, rgw_bucket_set_tag_timeout, &h_rgw_bucket_set_tag_timeout);
- cls_register_cxx_method(h_class, RGW_BUCKET_LIST, CLS_METHOD_RD, rgw_bucket_list, &h_rgw_bucket_list);
- cls_register_cxx_method(h_class, RGW_BUCKET_CHECK_INDEX, CLS_METHOD_RD, rgw_bucket_check_index, &h_rgw_bucket_check_index);
- cls_register_cxx_method(h_class, RGW_BUCKET_REBUILD_INDEX, CLS_METHOD_RD | CLS_METHOD_WR, rgw_bucket_rebuild_index, &h_rgw_bucket_rebuild_index);
- cls_register_cxx_method(h_class, RGW_BUCKET_UPDATE_STATS, CLS_METHOD_RD | CLS_METHOD_WR, rgw_bucket_update_stats, &h_rgw_bucket_update_stats);
- cls_register_cxx_method(h_class, RGW_BUCKET_PREPARE_OP, CLS_METHOD_RD | CLS_METHOD_WR, rgw_bucket_prepare_op, &h_rgw_bucket_prepare_op);
- cls_register_cxx_method(h_class, RGW_BUCKET_COMPLETE_OP, CLS_METHOD_RD | CLS_METHOD_WR, rgw_bucket_complete_op, &h_rgw_bucket_complete_op);
- cls_register_cxx_method(h_class, RGW_BUCKET_LINK_OLH, CLS_METHOD_RD | CLS_METHOD_WR, rgw_bucket_link_olh, &h_rgw_bucket_link_olh);
- cls_register_cxx_method(h_class, RGW_BUCKET_UNLINK_INSTANCE, CLS_METHOD_RD | CLS_METHOD_WR, rgw_bucket_unlink_instance, &h_rgw_bucket_unlink_instance_op);
- cls_register_cxx_method(h_class, RGW_BUCKET_READ_OLH_LOG, CLS_METHOD_RD, rgw_bucket_read_olh_log, &h_rgw_bucket_read_olh_log);
- cls_register_cxx_method(h_class, RGW_BUCKET_TRIM_OLH_LOG, CLS_METHOD_RD | CLS_METHOD_WR, rgw_bucket_trim_olh_log, &h_rgw_bucket_trim_olh_log);
- cls_register_cxx_method(h_class, RGW_BUCKET_CLEAR_OLH, CLS_METHOD_RD | CLS_METHOD_WR, rgw_bucket_clear_olh, &h_rgw_bucket_clear_olh);
-
- cls_register_cxx_method(h_class, RGW_OBJ_REMOVE, CLS_METHOD_RD | CLS_METHOD_WR, rgw_obj_remove, &h_rgw_obj_remove);
- cls_register_cxx_method(h_class, RGW_OBJ_STORE_PG_VER, CLS_METHOD_WR, rgw_obj_store_pg_ver, &h_rgw_obj_store_pg_ver);
- cls_register_cxx_method(h_class, RGW_OBJ_CHECK_ATTRS_PREFIX, CLS_METHOD_RD, rgw_obj_check_attrs_prefix, &h_rgw_obj_check_attrs_prefix);
- cls_register_cxx_method(h_class, RGW_OBJ_CHECK_MTIME, CLS_METHOD_RD, rgw_obj_check_mtime, &h_rgw_obj_check_mtime);
-
- cls_register_cxx_method(h_class, RGW_BI_GET, CLS_METHOD_RD, rgw_bi_get_op, &h_rgw_bi_get_op);
- cls_register_cxx_method(h_class, RGW_BI_PUT, CLS_METHOD_RD | CLS_METHOD_WR, rgw_bi_put_op, &h_rgw_bi_put_op);
- cls_register_cxx_method(h_class, RGW_BI_LIST, CLS_METHOD_RD, rgw_bi_list_op, &h_rgw_bi_list_op);
-
- cls_register_cxx_method(h_class, RGW_BI_LOG_LIST, CLS_METHOD_RD, rgw_bi_log_list, &h_rgw_bi_log_list_op);
- cls_register_cxx_method(h_class, RGW_BI_LOG_TRIM, CLS_METHOD_RD | CLS_METHOD_WR, rgw_bi_log_trim, &h_rgw_bi_log_list_op);
- cls_register_cxx_method(h_class, RGW_DIR_SUGGEST_CHANGES, CLS_METHOD_RD | CLS_METHOD_WR, rgw_dir_suggest_changes, &h_rgw_dir_suggest_changes);
-
- cls_register_cxx_method(h_class, "bi_log_resync", CLS_METHOD_RD | CLS_METHOD_WR, rgw_bi_log_resync, &h_rgw_bi_log_resync_op);
- cls_register_cxx_method(h_class, "bi_log_stop", CLS_METHOD_RD | CLS_METHOD_WR, rgw_bi_log_stop, &h_rgw_bi_log_stop_op);
-
- /* usage logging */
- cls_register_cxx_method(h_class, RGW_USER_USAGE_LOG_ADD, CLS_METHOD_RD | CLS_METHOD_WR, rgw_user_usage_log_add, &h_rgw_user_usage_log_add);
- cls_register_cxx_method(h_class, RGW_USER_USAGE_LOG_READ, CLS_METHOD_RD, rgw_user_usage_log_read, &h_rgw_user_usage_log_read);
- cls_register_cxx_method(h_class, RGW_USER_USAGE_LOG_TRIM, CLS_METHOD_RD | CLS_METHOD_WR, rgw_user_usage_log_trim, &h_rgw_user_usage_log_trim);
-
- /* garbage collection */
- cls_register_cxx_method(h_class, RGW_GC_SET_ENTRY, CLS_METHOD_RD | CLS_METHOD_WR, rgw_cls_gc_set_entry, &h_rgw_gc_set_entry);
- cls_register_cxx_method(h_class, RGW_GC_DEFER_ENTRY, CLS_METHOD_RD | CLS_METHOD_WR, rgw_cls_gc_defer_entry, &h_rgw_gc_set_entry);
- cls_register_cxx_method(h_class, RGW_GC_LIST, CLS_METHOD_RD, rgw_cls_gc_list, &h_rgw_gc_list);
- cls_register_cxx_method(h_class, RGW_GC_REMOVE, CLS_METHOD_RD | CLS_METHOD_WR, rgw_cls_gc_remove, &h_rgw_gc_remove);
-
- /* lifecycle bucket list */
- cls_register_cxx_method(h_class, RGW_LC_SET_ENTRY, CLS_METHOD_RD | CLS_METHOD_WR, rgw_cls_lc_set_entry, &h_rgw_lc_set_entry);
- cls_register_cxx_method(h_class, RGW_LC_RM_ENTRY, CLS_METHOD_RD | CLS_METHOD_WR, rgw_cls_lc_rm_entry, &h_rgw_lc_rm_entry);
- cls_register_cxx_method(h_class, RGW_LC_GET_NEXT_ENTRY, CLS_METHOD_RD, rgw_cls_lc_get_next_entry, &h_rgw_lc_get_next_entry);
- cls_register_cxx_method(h_class, RGW_LC_PUT_HEAD, CLS_METHOD_RD| CLS_METHOD_WR, rgw_cls_lc_put_head, &h_rgw_lc_put_head);
- cls_register_cxx_method(h_class, RGW_LC_GET_HEAD, CLS_METHOD_RD, rgw_cls_lc_get_head, &h_rgw_lc_get_head);
- cls_register_cxx_method(h_class, RGW_LC_LIST_ENTRIES, CLS_METHOD_RD, rgw_cls_lc_list_entries, &h_rgw_lc_list_entries);
- cls_register_cxx_method(h_class, "reshard_add", CLS_METHOD_RD | CLS_METHOD_WR, rgw_reshard_add, &h_rgw_reshard_add);
- cls_register_cxx_method(h_class, "reshard_list", CLS_METHOD_RD, rgw_reshard_list, &h_rgw_reshard_list);
- cls_register_cxx_method(h_class, "reshard_get", CLS_METHOD_RD,rgw_reshard_get, &h_rgw_reshard_get);
- cls_register_cxx_method(h_class, "reshard_remove", CLS_METHOD_RD | CLS_METHOD_WR, rgw_reshard_remove, &h_rgw_reshard_remove);
- cls_register_cxx_method(h_class, "set_bucket_resharding", CLS_METHOD_RD | CLS_METHOD_WR,
- rgw_set_bucket_resharding, &h_rgw_set_bucket_resharding);
- cls_register_cxx_method(h_class, "clear_bucket_resharding", CLS_METHOD_RD | CLS_METHOD_WR,
- rgw_clear_bucket_resharding, &h_rgw_clear_bucket_resharding);
- cls_register_cxx_method(h_class, "guard_bucket_resharding", CLS_METHOD_RD ,
- rgw_guard_bucket_resharding, &h_rgw_guard_bucket_resharding);
- cls_register_cxx_method(h_class, "get_bucket_resharding", CLS_METHOD_RD ,
- rgw_get_bucket_resharding, &h_rgw_get_bucket_resharding);
-
- return;
-}
-
Code Review / stor4nfv.git / blobdiff