src/ceph/src/test/system/rados_delete_pools_parallel.cc

   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) 2011 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 */
  14
  15 #include "cross_process_sem.h"
  16 #include "include/rados/librados.h"
  17 #include "st_rados_create_pool.h"
  18 #include "st_rados_delete_pool.h"
  19 #include "st_rados_list_objects.h"
  20 #include "systest_runnable.h"
  21 #include "systest_settings.h"
  22
  23 #include <errno.h>
  24 #include <pthread.h>
  25 #include <semaphore.h>
  26 #include <sstream>
  27 #include <stdarg.h>
  28 #include <stdio.h>
  29 #include <stdlib.h>
  30 #include <string>
  31 #include <time.h>
  32 #include <vector>
  33
  34 using std::ostringstream;
  35 using std::string;
  36 using std::vector;
  37
  38 static int g_num_objects = 50;
  39
  40 /*
  41  * rados_delete_pools_parallel
  42  *
  43  * This tests creation and deletion races.
  44  *
  45  * EXPECT:            * can delete a pool while another user is using it
  46  *                    * operations on pools return error codes after the pools
  47  *                      are deleted
  48  *
  49  * DO NOT EXPECT      * hangs, crashes
  50  */
  51
  52 const char *get_id_str()
  53 {
  54   return "main";
  55 }
  56
  57 int main(int argc, const char **argv)
  58 {
  59   const char *num_objects = getenv("NUM_OBJECTS");
  60   const std::string pool = get_temp_pool_name(argv[0]);
  61   if (num_objects) {
  62     g_num_objects = atoi(num_objects);
  63     if (g_num_objects == 0)
  64       return 100;
  65   }
  66
  67   CrossProcessSem *pool_setup_sem = NULL;
  68   RETURN1_IF_NONZERO(CrossProcessSem::create(0, &pool_setup_sem));
  69   CrossProcessSem *delete_pool_sem = NULL;
  70   RETURN1_IF_NONZERO(CrossProcessSem::create(0, &delete_pool_sem));
  71
  72   // first test: create a pool, then delete that pool
  73   {
  74     StRadosCreatePool r1(argc, argv, NULL, pool_setup_sem, NULL,
  75                          pool, 50, ".obj");
  76     StRadosDeletePool r2(argc, argv, pool_setup_sem, NULL, pool);
  77     vector < SysTestRunnable* > vec;
  78     vec.push_back(&r1);
  79     vec.push_back(&r2);
  80     std::string error = SysTestRunnable::run_until_finished(vec);
  81     if (!error.empty()) {
  82       printf("test1: got error: %s\n", error.c_str());
  83       return EXIT_FAILURE;
  84     }
  85   }
  86
  87   // second test: create a pool, the list objects in that pool while it's
  88   // being deleted.
  89   RETURN1_IF_NONZERO(pool_setup_sem->reinit(0));
  90   RETURN1_IF_NONZERO(delete_pool_sem->reinit(0));
  91   {
  92     StRadosCreatePool r1(argc, argv, NULL, pool_setup_sem, NULL,
  93                          pool, g_num_objects, ".obj");
  94     StRadosDeletePool r2(argc, argv, delete_pool_sem, NULL, pool);
  95     StRadosListObjects r3(argc, argv, pool, true, g_num_objects / 2,
  96                           pool_setup_sem, NULL, delete_pool_sem);
  97     vector < SysTestRunnable* > vec;
  98     vec.push_back(&r1);
  99     vec.push_back(&r2);
 100     vec.push_back(&r3);
 101     std::string error = SysTestRunnable::run_until_finished(vec);
 102     if (!error.empty()) {
 103       printf("test2: got error: %s\n", error.c_str());
 104       return EXIT_FAILURE;
 105     }
 106   }
 107
 108   printf("******* SUCCESS **********\n");
 109   return EXIT_SUCCESS;
 110 }