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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#ifndef CEPH_TEST_OSDC_MEMWRITEBACK_H
#define CEPH_TEST_OSDC_MEMWRITEBACK_H
#include "include/Context.h"
#include "include/types.h"
#include "osd/osd_types.h"
#include "osdc/WritebackHandler.h"
#include <atomic>
class Finisher;
class MemWriteback : public WritebackHandler {
public:
MemWriteback(CephContext *cct, ceph::mutex *lock, uint64_t delay_ns);
~MemWriteback() override;
void read(const object_t& oid, uint64_t object_no,
const object_locator_t& oloc, uint64_t off, uint64_t len,
snapid_t snapid, bufferlist *pbl, uint64_t trunc_size,
__u32 trunc_seq, int op_flags,
const ZTracer::Trace &parent_trace,
Context *onfinish) override;
ceph_tid_t write(const object_t& oid, const object_locator_t& oloc,
uint64_t off, uint64_t len,
const SnapContext& snapc, const bufferlist &bl,
ceph::real_time mtime, uint64_t trunc_size,
__u32 trunc_seq, ceph_tid_t journal_tid,
const ZTracer::Trace &parent_trace,
Context *oncommit) override;
using WritebackHandler::write;
bool may_copy_on_write(const object_t&, uint64_t, uint64_t,
snapid_t) override;
void write_object_data(const object_t& oid, uint64_t off, uint64_t len,
const bufferlist& data_bl);
int read_object_data(const object_t& oid, uint64_t off, uint64_t len,
bufferlist *data_bl);
private:
std::map<object_t, bufferlist> object_data;
CephContext *m_cct;
ceph::mutex *m_lock;
uint64_t m_delay_ns;
std::atomic<unsigned> m_tid = { 0 };
Finisher *m_finisher;
};
#endif
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