+++ /dev/null
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-
-#include <errno.h>
-#include <time.h>
-
-#include <thread>
-#include "common/debug.h"
-#include "common/Cond.h"
-#include "common/Finisher.h"
-#include "common/Mutex.h"
-#include "include/assert.h"
-#include "common/ceph_time.h"
-
-#include "FakeWriteback.h"
-
-#define dout_subsys ceph_subsys_objectcacher
-#undef dout_prefix
-#define dout_prefix *_dout << "FakeWriteback(" << this << ") "
-
-class C_Delay : public Context {
- CephContext *m_cct;
- Context *m_con;
- ceph::timespan m_delay;
- Mutex *m_lock;
- bufferlist *m_bl;
- uint64_t m_off;
-
-public:
- C_Delay(CephContext *cct, Context *c, Mutex *lock, uint64_t off,
- bufferlist *pbl, uint64_t delay_ns=0)
- : m_cct(cct), m_con(c), m_delay(delay_ns * std::chrono::nanoseconds(1)),
- m_lock(lock), m_bl(pbl), m_off(off) {}
- void finish(int r) override {
- std::this_thread::sleep_for(m_delay);
- if (m_bl) {
- buffer::ptr bp(r);
- bp.zero();
- m_bl->append(bp);
- ldout(m_cct, 20) << "finished read " << m_off << "~" << r << dendl;
- }
- m_lock->Lock();
- m_con->complete(r);
- m_lock->Unlock();
- }
-};
-
-FakeWriteback::FakeWriteback(CephContext *cct, Mutex *lock, uint64_t delay_ns)
- : m_cct(cct), m_lock(lock), m_delay_ns(delay_ns)
-{
- m_finisher = new Finisher(cct);
- m_finisher->start();
-}
-
-FakeWriteback::~FakeWriteback()
-{
- m_finisher->stop();
- delete m_finisher;
-}
-
-void FakeWriteback::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)
-{
- C_Delay *wrapper = new C_Delay(m_cct, onfinish, m_lock, off, pbl,
- m_delay_ns);
- m_finisher->queue(wrapper, len);
-}
-
-ceph_tid_t FakeWriteback::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)
-{
- C_Delay *wrapper = new C_Delay(m_cct, oncommit, m_lock, off, NULL,
- m_delay_ns);
- m_finisher->queue(wrapper, 0);
- return ++m_tid;
-}
-
-bool FakeWriteback::may_copy_on_write(const object_t&, uint64_t, uint64_t,
- snapid_t)
-{
- return false;
-}