ceph/src/test/osdc/FakeWriteback.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3 #ifndef CEPH_TEST_OSDC_FAKEWRITEBACK_H
   4 #define CEPH_TEST_OSDC_FAKEWRITEBACK_H
   5
   6 #include "include/Context.h"
   7 #include "include/types.h"
   8 #include "osd/osd_types.h"
   9 #include "osdc/WritebackHandler.h"
  10
  11 #include <atomic>
  12
  13 class Finisher;
  14 class Mutex;
  15
  16 class FakeWriteback : public WritebackHandler {
  17 public:
  18   FakeWriteback(CephContext *cct, Mutex *lock, uint64_t delay_ns);
  19   ~FakeWriteback() override;
  20
  21   void read(const object_t& oid, uint64_t object_no,
  22                     const object_locator_t& oloc, uint64_t off, uint64_t len,
  23                     snapid_t snapid, bufferlist *pbl, uint64_t trunc_size,
  24                     __u32 trunc_seq, int op_flags,
  25                     const ZTracer::Trace &parent_trace,
  26                     Context *onfinish) override;
  27
  28   ceph_tid_t write(const object_t& oid, const object_locator_t& oloc,
  29                            uint64_t off, uint64_t len,
  30                            const SnapContext& snapc, const bufferlist &bl,
  31                            ceph::real_time mtime, uint64_t trunc_size,
  32                            __u32 trunc_seq, ceph_tid_t journal_tid,
  33                            const ZTracer::Trace &parent_trace,
  34                            Context *oncommit) override;
  35
  36   using WritebackHandler::write;
  37
  38   bool may_copy_on_write(const object_t&, uint64_t, uint64_t,
  39                                  snapid_t) override;
  40 private:
  41   CephContext *m_cct;
  42   Mutex *m_lock;
  43   uint64_t m_delay_ns;
  44   std::atomic<unsigned> m_tid = { 0 };
  45   Finisher *m_finisher;
  46 };
  47
  48 #endif