initial code repo
[stor4nfv.git] / src / ceph / src / test / osdc / MemWriteback.h
diff --git a/src/ceph/src/test/osdc/MemWriteback.h b/src/ceph/src/test/osdc/MemWriteback.h
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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 Mutex;
+
+class MemWriteback : public WritebackHandler {
+public:
+  MemWriteback(CephContext *cct, 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;
+  Mutex *m_lock;
+  uint64_t m_delay_ns;
+  std::atomic<unsigned> m_tid = { 0 };
+  Finisher *m_finisher;
+};
+
+#endif