ceph/src/tools/rbd_mirror/BaseRequest.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3
   4 #ifndef CEPH_RBD_MIRROR_BASE_REQUEST_H
   5 #define CEPH_RBD_MIRROR_BASE_REQUEST_H
   6
   7 #include "common/RefCountedObj.h"
   8
   9 namespace rbd {
  10 namespace mirror {
  11
  12 class BaseRequest : public RefCountedObject {
  13 public:
  14   BaseRequest(const std::string& name, CephContext *cct, Context *on_finish)
  15     : RefCountedObject(cct, 1), m_name(name), m_cct(cct),
  16       m_on_finish(on_finish) {
  17   }
  18
  19   virtual void send() = 0;
  20   virtual void cancel() {}
  21
  22 protected:
  23   virtual void finish(int r) {
  24     if (m_cct) {
  25       lsubdout(m_cct, rbd_mirror, 20) << m_name << "::finish: r=" << r << dendl;
  26     }
  27     if (m_on_finish) {
  28       m_on_finish->complete(r);
  29     }
  30     put();
  31   }
  32
  33 private:
  34   const std::string m_name;
  35   CephContext *m_cct;
  36   Context *m_on_finish;
  37 };
  38
  39 } // namespace mirror
  40 } // namespace rbd
  41
  42 #endif // CEPH_RBD_MIRROR_BASE_REQUEST_H