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#ifndef CEPH_RGW_SERVICES_RADOS_H
#define CEPH_RGW_SERVICES_RADOS_H
#include "rgw/rgw_service.h"
#include "include/rados/librados.hpp"
#include "common/async/yield_context.h"
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);
}
};
struct rgw_rados_ref {
rgw_raw_obj obj;
librados::IoCtx ioctx;
};
class RGWSI_RADOS : public RGWServiceInstance
{
librados::Rados rados;
int do_start() override;
librados::Rados* get_rados_handle();
int open_pool_ctx(const rgw_pool& pool, librados::IoCtx& io_ctx);
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) : RGWServiceInstance(cct) {}
void init() {}
uint64_t instance_id();
class Handle;
class Obj {
friend class RGWSI_RADOS;
friend Handle;
RGWSI_RADOS *rados_svc{nullptr};
rgw_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);
}
public:
Obj() {}
int open();
int operate(librados::ObjectWriteOperation *op, optional_yield y);
int operate(librados::ObjectReadOperation *op, bufferlist *pbl,
optional_yield y);
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(bufferlist& bl,
uint64_t timeout_ms,
bufferlist *pbl);
void notify_ack(uint64_t notify_id,
uint64_t cookie,
bufferlist& bl);
uint64_t get_last_version();
rgw_rados_ref& get_ref() { return ref; }
const rgw_rados_ref& get_ref() const { return ref; }
};
class Pool {
friend class RGWSI_RADOS;
friend Handle;
RGWSI_RADOS *rados_svc{nullptr};
rgw_pool pool;
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();
struct List {
Pool& pool;
struct Ctx {
bool initialized{false};
librados::IoCtx ioctx;
librados::NObjectIterator iter;
RGWAccessListFilter *filter{nullptr};
} ctx;
List(Pool& _pool) : pool(_pool) {}
int init(const string& marker, RGWAccessListFilter *filter = nullptr);
int get_next(int max,
std::list<string> *oids,
bool *is_truncated);
};
List op() {
return List(*this);
}
friend List;
};
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) {
return Obj(rados_svc, o);
}
Pool pool(const rgw_pool& p) {
return Pool(rados_svc, p);
}
int watch_flush();
};
Handle handle() {
return Handle(this);
}
Obj obj(const rgw_raw_obj& o) {
return Obj(this, o);
}
Pool pool() {
return Pool(this);
}
Pool pool(const rgw_pool& p) {
return Pool(this, p);
}
friend Obj;
friend Pool;
friend Pool::List;
};
#endif
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