ceph/src/test/bench/rados_backend.cc

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2
   3 #include "rados_backend.h"
   4 #include <boost/tuple/tuple.hpp>
   5
   6 typedef boost::tuple<Context*, Context*, librados::AioCompletion*> arg_type;
   7
   8 void on_applied(void *completion, void *_arg) {
   9   arg_type *arg = static_cast<arg_type*>(_arg);
  10   arg->get<1>()->complete(0);
  11 }
  12
  13 void on_complete(void *completion, void *_arg) {
  14   arg_type *arg = static_cast<arg_type*>(_arg);
  15   arg->get<0>()->complete(0);
  16   arg->get<2>()->release();
  17   delete arg;
  18 }
  19
  20 void RadosBackend::write(
  21   const string &oid,
  22   uint64_t offset,
  23   const bufferlist &bl,
  24   Context *on_write_applied,
  25   Context *on_commit)
  26 {
  27   librados::AioCompletion *completion = librados::Rados::aio_create_completion();
  28
  29
  30   void *arg = static_cast<void *>(new arg_type(on_commit, on_write_applied,
  31                                                completion));
  32
  33   completion->set_safe_callback(
  34     arg,
  35     on_complete);
  36
  37   completion->set_complete_callback(
  38     arg,
  39     on_applied);
  40
  41   ioctx->aio_write(oid, completion, bl, bl.length(), offset);
  42 }
  43
  44 void RadosBackend::read(
  45   const string &oid,
  46   uint64_t offset,
  47   uint64_t length,
  48   bufferlist *bl,
  49   Context *on_read_complete)
  50 {
  51   librados::AioCompletion *completion = librados::Rados::aio_create_completion();
  52
  53
  54   void *arg = static_cast<void *>(new arg_type(on_read_complete, 0,
  55                                                completion));
  56
  57   completion->set_complete_callback(
  58     arg,
  59     on_complete);
  60
  61   ioctx->aio_read(oid, completion, bl, length, offset);
  62 }