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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
#pragma once
#include "rgw/rgw_service.h"
#include "include/rados/librados.hpp"
#include "common/async/yield_context.h"
#include "common/RWLock.h"
class RGWAsyncRadosProcessor;
class RGWAccessListFilter {
public:
virtual ~RGWAccessListFilter() {}
virtual bool filter(const string& name, string& key) = 0;
};
struct RGWAccessListFilterPrefix : public RGWAccessListFilter {
string prefix;
explicit RGWAccessListFilterPrefix(const string& _prefix) : prefix(_prefix) {}
bool filter(const string& name, string& key) override {
return (prefix.compare(key.substr(0, prefix.size())) == 0);
}
};
class RGWSI_RADOS : public RGWServiceInstance
{
librados::Rados rados;
std::unique_ptr<RGWAsyncRadosProcessor> async_processor;
int do_start(optional_yield, const DoutPrefixProvider *dpp) override;
public:
struct OpenParams {
bool create{true};
bool mostly_omap{false};
OpenParams() {}
OpenParams& set_create(bool _create) {
create = _create;
return *this;
}
OpenParams& set_mostly_omap(bool _mostly_omap) {
mostly_omap = _mostly_omap;
return *this;
}
};
private:
int open_pool_ctx(const DoutPrefixProvider *dpp, const rgw_pool& pool, librados::IoCtx& io_ctx,
const OpenParams& params = {});
int pool_iterate(librados::IoCtx& ioctx,
librados::NObjectIterator& iter,
uint32_t num, vector<rgw_bucket_dir_entry>& objs,
RGWAccessListFilter *filter,
bool *is_truncated);
public:
RGWSI_RADOS(CephContext *cct);
~RGWSI_RADOS();
librados::Rados* get_rados_handle();
void init() {}
void shutdown() override;
uint64_t instance_id();
bool check_secure_mon_conn() const;
RGWAsyncRadosProcessor *get_async_processor() {
return async_processor.get();
}
int clog_warn(const string& msg);
class Handle;
class Pool {
friend class RGWSI_RADOS;
friend Handle;
friend class Obj;
RGWSI_RADOS *rados_svc{nullptr};
rgw_pool pool;
struct State {
librados::IoCtx ioctx;
} state;
Pool(RGWSI_RADOS *_rados_svc,
const rgw_pool& _pool) : rados_svc(_rados_svc),
pool(_pool) {}
Pool(RGWSI_RADOS *_rados_svc) : rados_svc(_rados_svc) {}
public:
Pool() {}
int create();
int create(const std::vector<rgw_pool>& pools, std::vector<int> *retcodes);
int lookup();
int open(const DoutPrefixProvider *dpp, const OpenParams& params = {});
const rgw_pool& get_pool() {
return pool;
}
librados::IoCtx& ioctx() {
return state.ioctx;
}
struct List {
Pool *pool{nullptr};
struct Ctx {
bool initialized{false};
librados::IoCtx ioctx;
librados::NObjectIterator iter;
RGWAccessListFilter *filter{nullptr};
} ctx;
List() {}
List(Pool *_pool) : pool(_pool) {}
int init(const DoutPrefixProvider *dpp, const string& marker, RGWAccessListFilter *filter = nullptr);
int get_next(int max,
std::vector<string> *oids,
bool *is_truncated);
int get_marker(string *marker);
};
List op() {
return List(this);
}
friend List;
};
struct rados_ref {
RGWSI_RADOS::Pool pool;
rgw_raw_obj obj;
};
class Obj {
friend class RGWSI_RADOS;
friend class Handle;
RGWSI_RADOS *rados_svc{nullptr};
rados_ref ref;
void init(const rgw_raw_obj& obj);
Obj(RGWSI_RADOS *_rados_svc, const rgw_raw_obj& _obj)
: rados_svc(_rados_svc) {
init(_obj);
}
Obj(Pool& pool, const string& oid);
public:
Obj() {}
int open(const DoutPrefixProvider *dpp);
int operate(const DoutPrefixProvider *dpp, librados::ObjectWriteOperation *op, optional_yield y,
int flags = 0);
int operate(const DoutPrefixProvider *dpp, librados::ObjectReadOperation *op, bufferlist *pbl,
optional_yield y, int flags = 0);
int aio_operate(librados::AioCompletion *c, librados::ObjectWriteOperation *op);
int aio_operate(librados::AioCompletion *c, librados::ObjectReadOperation *op,
bufferlist *pbl);
int watch(uint64_t *handle, librados::WatchCtx2 *ctx);
int aio_watch(librados::AioCompletion *c, uint64_t *handle, librados::WatchCtx2 *ctx);
int unwatch(uint64_t handle);
int notify(const DoutPrefixProvider *dpp, bufferlist& bl, uint64_t timeout_ms,
bufferlist *pbl, optional_yield y);
void notify_ack(uint64_t notify_id,
uint64_t cookie,
bufferlist& bl);
uint64_t get_last_version();
rados_ref& get_ref() { return ref; }
const rados_ref& get_ref() const { return ref; }
const rgw_raw_obj& get_raw_obj() const {
return ref.obj;
}
};
class Handle {
friend class RGWSI_RADOS;
RGWSI_RADOS *rados_svc{nullptr};
Handle(RGWSI_RADOS *_rados_svc) : rados_svc(_rados_svc) {}
public:
Obj obj(const rgw_raw_obj& o);
Pool pool(const rgw_pool& p) {
return Pool(rados_svc, p);
}
int watch_flush();
int mon_command(std::string cmd,
const bufferlist& inbl,
bufferlist *outbl,
std::string *outs);
};
Handle handle() {
return Handle(this);
}
Obj obj(const rgw_raw_obj& o) {
return Obj(this, o);
}
Obj obj(Pool& pool, const string& oid) {
return Obj(pool, oid);
}
Pool pool() {
return Pool(this);
}
Pool pool(const rgw_pool& p) {
return Pool(this, p);
}
friend Obj;
friend Pool;
friend Pool::List;
};
using rgw_rados_ref = RGWSI_RADOS::rados_ref;
inline ostream& operator<<(ostream& out, const RGWSI_RADOS::Obj& obj) {
return out << obj.get_raw_obj();
}
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