ceph/src/mds/BatchOp.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3 /*
   4  * Ceph - scalable distributed file system
   5  *
   6  * Copyright (C) 2012 Red Hat
   7  *
   8  * This is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License version 2.1, as published by the Free Software
  11  * Foundation.  See file COPYING.
  12  *
  13  */
  14
  15
  16 #ifndef MDS_BATCHOP_H
  17 #define MDS_BATCHOP_H
  18
  19 #include "common/ref.h"
  20
  21 #include "mdstypes.h"
  22
  23 class BatchOp {
  24 public:
  25   virtual ~BatchOp() {}
  26
  27   virtual void add_request(const ceph::ref_t<class MDRequestImpl>& mdr) = 0;
  28   virtual ceph::ref_t<class MDRequestImpl> find_new_head() = 0;
  29
  30   virtual void print(std::ostream&) = 0;
  31
  32   void forward(mds_rank_t target);
  33   void respond(int r);
  34
  35 protected:
  36   virtual void _forward(mds_rank_t) = 0;
  37   virtual void _respond(mds_rank_t) = 0;
  38 };
  39
  40 #endif