ceph/src/test/objectstore/DeterministicOpSequence.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 New Dream Network
   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 #ifndef FILESTORE_DTRMNSTC_SEQ_OPS_H_
  14 #define FILESTORE_DTRMNSTC_SEQ_OPS_H_
  15
  16 #include <iostream>
  17 #include <fstream>
  18 #include <set>
  19 #include "os/ObjectStore.h"
  20 #include <boost/scoped_ptr.hpp>
  21 #include <boost/random/mersenne_twister.hpp>
  22 #include <boost/random/uniform_int.hpp>
  23
  24 #include "TestObjectStoreState.h"
  25
  26 typedef boost::mt11213b rngen_t;
  27
  28 class DeterministicOpSequence : public TestObjectStoreState {
  29  public:
  30   DeterministicOpSequence(ObjectStore *store, std::string status = std::string());
  31   virtual ~DeterministicOpSequence();
  32
  33   virtual void generate(int seed, int num_txs);
  34
  35  protected:
  36   enum {
  37     DSOP_TOUCH = 0,
  38     DSOP_WRITE = 1,
  39     DSOP_CLONE = 2,
  40     DSOP_CLONE_RANGE = 3,
  41     DSOP_OBJ_REMOVE = 4,
  42     DSOP_COLL_MOVE = 5,
  43     DSOP_SET_ATTRS = 6,
  44     DSOP_COLL_CREATE = 7,
  45
  46     DSOP_FIRST = DSOP_TOUCH,
  47     DSOP_LAST = DSOP_COLL_CREATE,
  48   };
  49
  50   int32_t txn;
  51
  52   coll_t txn_coll;
  53   hobject_t txn_object;
  54
  55   ObjectStore::Sequencer m_osr;
  56   std::ofstream m_status;
  57
  58   bool run_one_op(int op, rngen_t& gen);
  59
  60   void note_txn(ObjectStore::Transaction *t);
  61   bool do_touch(rngen_t& gen);
  62   bool do_remove(rngen_t& gen);
  63   bool do_write(rngen_t& gen);
  64   bool do_clone(rngen_t& gen);
  65   bool do_clone_range(rngen_t& gen);
  66   bool do_coll_move(rngen_t& gen);
  67   bool do_set_attrs(rngen_t& gen);
  68   bool do_coll_create(rngen_t& gen);
  69
  70   virtual void _do_touch(coll_entry_t *entry, hobject_t& obj);
  71   virtual void _do_remove(coll_entry_t *entry, hobject_t& obj);
  72   virtual void _do_write(coll_entry_t *entry, hobject_t& obj, uint64_t off,
  73       uint64_t len, const bufferlist& data);
  74   virtual void _do_set_attrs(coll_entry_t *entry,
  75                              hobject_t &obj,
  76                              const map<string, bufferlist> &attrs);
  77   virtual void _do_clone(coll_entry_t *entry, hobject_t& orig_obj, hobject_t& new_obj);
  78   virtual void _do_clone_range(coll_entry_t *entry, hobject_t& orig_obj,
  79       hobject_t& new_obj, uint64_t srcoff, uint64_t srclen, uint64_t dstoff);
  80   virtual void _do_write_and_clone_range(coll_entry_t *entry, hobject_t& orig_obj,
  81       hobject_t& new_obj, uint64_t srcoff, uint64_t srclen,
  82       uint64_t dstoff, bufferlist& bl);
  83   virtual void _do_coll_move(coll_entry_t *entry, hobject_t& orig_obj, hobject_t& new_obj);
  84   virtual void _do_coll_create(coll_entry_t *entry, uint32_t pg_num, uint64_t num_objs);
  85
  86   int _gen_coll_id(rngen_t& gen);
  87   int _gen_obj_id(rngen_t& gen);
  88   void _print_status(int seq, int op);
  89
  90  private:
  91   bool _prepare_clone(
  92     rngen_t& gen,
  93     coll_entry_t **entry_ret,
  94     int *orig_obj_id,
  95     hobject_t *orig_obj_ret,
  96     int *new_obj_id,
  97     hobject_t *new_obj_ret);
  98 };
  99
 100
 101 #endif /* FILESTORE_DTRMNSTC_SEQ_OPS_H_ */