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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab ft=cpp
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2019 Red Hat, Inc.
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*
*/
#pragma once
#include "rgw_service.h"
#include "svc_meta_be.h"
#include "svc_sys_obj.h"
class RGWSI_MBSObj_Handler_Module : public RGWSI_MetaBackend::Module {
protected:
std::string section;
public:
RGWSI_MBSObj_Handler_Module(const std::string& _section) : section(_section) {}
virtual void get_pool_and_oid(const std::string& key, rgw_pool *pool, std::string *oid) = 0;
virtual const std::string& get_oid_prefix() = 0;
virtual std::string key_to_oid(const std::string& key) = 0;
virtual bool is_valid_oid(const std::string& oid) = 0;
virtual std::string oid_to_key(const std::string& oid) = 0;
const std::string& get_section() {
return section;
}
/* key to use for hashing entries for log shard placement */
virtual std::string get_hash_key(const std::string& key) {
return section + ":" + key;
}
};
struct RGWSI_MBSObj_GetParams : public RGWSI_MetaBackend::GetParams {
bufferlist *pbl{nullptr};
std::map<std::string, bufferlist> *pattrs{nullptr};
rgw_cache_entry_info *cache_info{nullptr};
boost::optional<obj_version> refresh_version;
RGWSI_MBSObj_GetParams() {}
RGWSI_MBSObj_GetParams(bufferlist *_pbl,
std::map<std::string, bufferlist> *_pattrs,
ceph::real_time *_pmtime) : RGWSI_MetaBackend::GetParams(_pmtime),
pbl(_pbl),
pattrs(_pattrs) {}
RGWSI_MBSObj_GetParams& set_cache_info(rgw_cache_entry_info *_cache_info) {
cache_info = _cache_info;
return *this;
}
RGWSI_MBSObj_GetParams& set_refresh_version(boost::optional<obj_version>& _refresh_version) {
refresh_version = _refresh_version;
return *this;
}
};
struct RGWSI_MBSObj_PutParams : public RGWSI_MetaBackend::PutParams {
bufferlist bl;
std::map<std::string, bufferlist> *pattrs{nullptr};
bool exclusive{false};
RGWSI_MBSObj_PutParams() {}
RGWSI_MBSObj_PutParams(std::map<std::string, bufferlist> *_pattrs,
const ceph::real_time& _mtime) : RGWSI_MetaBackend::PutParams(_mtime),
pattrs(_pattrs) {}
RGWSI_MBSObj_PutParams(bufferlist& _bl,
std::map<std::string, bufferlist> *_pattrs,
const ceph::real_time& _mtime,
bool _exclusive) : RGWSI_MetaBackend::PutParams(_mtime),
bl(_bl),
pattrs(_pattrs),
exclusive(_exclusive) {}
};
struct RGWSI_MBSObj_RemoveParams : public RGWSI_MetaBackend::RemoveParams {
};
class RGWSI_MetaBackend_SObj : public RGWSI_MetaBackend
{
protected:
RGWSI_SysObj *sysobj_svc{nullptr};
public:
struct Context_SObj : public RGWSI_MetaBackend::Context {
RGWSI_MBSObj_Handler_Module *module{nullptr};
struct _list {
std::optional<RGWSI_SysObj::Pool> pool;
std::optional<RGWSI_SysObj::Pool::Op> op;
} list;
void init(RGWSI_MetaBackend_Handler *h) override;
};
RGWSI_MetaBackend_SObj(CephContext *cct);
virtual ~RGWSI_MetaBackend_SObj();
RGWSI_MetaBackend::Type get_type() {
return MDBE_SOBJ;
}
void init(RGWSI_SysObj *_sysobj_svc,
RGWSI_MDLog *_mdlog_svc) {
base_init(_mdlog_svc);
sysobj_svc = _sysobj_svc;
}
RGWSI_MetaBackend_Handler *alloc_be_handler() override;
RGWSI_MetaBackend::Context *alloc_ctx() override;
int call_with_get_params(ceph::real_time *pmtime, std::function<int(RGWSI_MetaBackend::GetParams&)> cb) override;
int pre_modify(const DoutPrefixProvider *dpp,
RGWSI_MetaBackend::Context *ctx,
const std::string& key,
RGWMetadataLogData& log_data,
RGWObjVersionTracker *objv_tracker,
RGWMDLogStatus op_type,
optional_yield y);
int post_modify(const DoutPrefixProvider *dpp,
RGWSI_MetaBackend::Context *ctx,
const std::string& key,
RGWMetadataLogData& log_data,
RGWObjVersionTracker *objv_tracker, int ret,
optional_yield y);
int get_entry(RGWSI_MetaBackend::Context *ctx,
const std::string& key,
RGWSI_MetaBackend::GetParams& params,
RGWObjVersionTracker *objv_tracker,
optional_yield y,
const DoutPrefixProvider *dpp,
bool get_raw_attrs=false) override;
int put_entry(const DoutPrefixProvider *dpp,
RGWSI_MetaBackend::Context *ctx,
const std::string& key,
RGWSI_MetaBackend::PutParams& params,
RGWObjVersionTracker *objv_tracker,
optional_yield y) override;
int remove_entry(const DoutPrefixProvider *dpp,
RGWSI_MetaBackend::Context *ctx,
const std::string& key,
RGWSI_MetaBackend::RemoveParams& params,
RGWObjVersionTracker *objv_tracker,
optional_yield y) override;
int list_init(const DoutPrefixProvider *dpp, RGWSI_MetaBackend::Context *_ctx, const std::string& marker) override;
int list_next(const DoutPrefixProvider *dpp,
RGWSI_MetaBackend::Context *_ctx,
int max, std::list<std::string> *keys,
bool *truncated) override;
int list_get_marker(RGWSI_MetaBackend::Context *ctx,
std::string *marker) override;
int get_shard_id(RGWSI_MetaBackend::Context *ctx,
const std::string& key,
int *shard_id) override;
int call(std::optional<RGWSI_MetaBackend_CtxParams> opt,
std::function<int(RGWSI_MetaBackend::Context *)> f) override;
};
class RGWSI_MetaBackend_Handler_SObj : public RGWSI_MetaBackend_Handler {
friend class RGWSI_MetaBackend_SObj::Context_SObj;
RGWSI_MBSObj_Handler_Module *module{nullptr};
public:
RGWSI_MetaBackend_Handler_SObj(RGWSI_MetaBackend *be) :
RGWSI_MetaBackend_Handler(be) {}
void set_module(RGWSI_MBSObj_Handler_Module *_module) {
module = _module;
}
RGWSI_MBSObj_Handler_Module *get_module() {
return module;
}
};
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