ceph/src/common/ContextCompletion.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_ASYNC_COMPLETION_H
   4 #define CEPH_ASYNC_COMPLETION_H
   5
   6 #include "include/Context.h"
   7
   8 namespace ceph {
   9
  10 class ContextCompletion {
  11 public:
  12   ContextCompletion(Context *ctx, bool ignore_enoent);
  13
  14   void finish_adding_requests();
  15
  16   void start_op();
  17   void finish_op(int r);
  18
  19 private:
  20   Mutex m_lock;
  21   Context *m_ctx;
  22   bool m_ignore_enoent;
  23   int m_ret;
  24   bool m_building;
  25   uint64_t m_current_ops;
  26 };
  27
  28 class C_ContextCompletion : public Context {
  29 public:
  30   C_ContextCompletion(ContextCompletion &context_completion)
  31     : m_context_completion(context_completion)
  32   {
  33     m_context_completion.start_op();
  34   }
  35
  36   void finish(int r) override {
  37     m_context_completion.finish_op(r);
  38   }
  39
  40 private:
  41   ContextCompletion &m_context_completion;
  42 };
  43
  44 } // namespace ceph
  45
  46 #endif // CEPH_ASYNC_COMPLETION_H