git.m6w6.name Git - m6w6/libmemcached/blob - tests/atomsmasher.c

   1 /* LibMemcached
   2  * Copyright (C) 2006-2009 Brian Aker
   3  * All rights reserved.
   4  *
   5  * Use and distribution licensed under the BSD license.  See
   6  * the COPYING file in the parent directory for full text.
   7  *
   8  * Summary:
   9  *
  10  */
  11
  12 /*
  13   Sample test application.
  14 */
  15 #include "libmemcached/common.h"
  16
  17 #include <assert.h>
  18 #include <stdio.h>
  19 #include <stdlib.h>
  20 #include <string.h>
  21 #include <sys/time.h>
  22 #include <sys/types.h>
  23 #include <sys/stat.h>
  24 #include <unistd.h>
  25 #include <time.h>
  26 #include "server.h"
  27 #include "../clients/generator.h"
  28 #include "../clients/execute.h"
  29
  30 #ifndef INT64_MAX
  31 #define INT64_MAX LONG_MAX
  32 #endif
  33 #ifndef INT32_MAX
  34 #define INT32_MAX INT_MAX
  35 #endif
  36
  37
  38 #include "test.h"
  39
  40 /* Number of items generated for tests */
  41 #define GLOBAL_COUNT 100000
  42
  43 /* Number of times to run the test loop */
  44 #define TEST_COUNTER 500000
  45 static uint32_t global_count;
  46
  47 static pairs_st *global_pairs;
  48 static char *global_keys[GLOBAL_COUNT];
  49 static size_t global_keys_length[GLOBAL_COUNT];
  50
  51 static test_return_t cleanup_pairs(memcached_st *memc __attribute__((unused)))
  52 {
  53   pairs_free(global_pairs);
  54
  55   return 0;
  56 }
  57
  58 static test_return_t generate_pairs(memcached_st *memc __attribute__((unused)))
  59 {
  60   unsigned long long x;
  61   global_pairs= pairs_generate(GLOBAL_COUNT, 400);
  62   global_count= GLOBAL_COUNT;
  63
  64   for (x= 0; x < global_count; x++)
  65   {
  66     global_keys[x]= global_pairs[x].key;
  67     global_keys_length[x]=  global_pairs[x].key_length;
  68   }
  69
  70   return 0;
  71 }
  72
  73 static test_return_t drizzle(memcached_st *memc)
  74 {
  75   unsigned int x;
  76   memcached_return_t rc;
  77   char *return_value;
  78   size_t return_value_length;
  79   uint32_t flags;
  80
  81 infinite:
  82   for (x= 0; x < TEST_COUNTER; x++)
  83   {
  84     uint32_t test_bit;
  85     uint8_t which;
  86
  87     test_bit= (uint32_t)(random() % GLOBAL_COUNT);
  88     which= (uint8_t)(random() % 2);
  89
  90     if (which == 0)
  91     {
  92       return_value= memcached_get(memc, global_keys[test_bit], global_keys_length[test_bit],
  93                                   &return_value_length, &flags, &rc);
  94       if (rc == MEMCACHED_SUCCESS && return_value)
  95         free(return_value);
  96       else if (rc == MEMCACHED_NOTFOUND)
  97         continue;
  98       else
  99       {
 100         WATCHPOINT_ERROR(rc);
 101         WATCHPOINT_ASSERT(rc);
 102       }
 103     }
 104     else
 105     {
 106       rc= memcached_set(memc, global_pairs[test_bit].key,
 107                         global_pairs[test_bit].key_length,
 108                         global_pairs[test_bit].value,
 109                         global_pairs[test_bit].value_length,
 110                         0, 0);
 111       if (rc != MEMCACHED_SUCCESS && rc != MEMCACHED_BUFFERED)
 112       {
 113         WATCHPOINT_ERROR(rc);
 114         WATCHPOINT_ASSERT(0);
 115       }
 116     }
 117   }
 118
 119   if (getenv("MEMCACHED_ATOM_BURIN_IN"))
 120     goto infinite;
 121
 122   return 0;
 123 }
 124
 125 static memcached_return_t pre_nonblock(memcached_st *memc)
 126 {
 127   memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_NO_BLOCK, 0);
 128
 129   return MEMCACHED_SUCCESS;
 130 }
 131
 132 static memcached_return_t pre_md5(memcached_st *memc)
 133 {
 134   memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_HASH, (uint64_t)MEMCACHED_HASH_MD5);
 135
 136   return MEMCACHED_SUCCESS;
 137 }
 138
 139 static memcached_return_t pre_hsieh(memcached_st *memc)
 140 {
 141   memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_HASH, (uint64_t)MEMCACHED_HASH_HSIEH);
 142
 143   return MEMCACHED_SUCCESS;
 144 }
 145
 146 static memcached_return_t enable_consistent(memcached_st *memc)
 147 {
 148   memcached_server_distribution_t value= MEMCACHED_DISTRIBUTION_CONSISTENT;
 149   memcached_hash_t hash;
 150   memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_DISTRIBUTION, value);
 151   pre_hsieh(memc);
 152
 153   value= (memcached_server_distribution_t)memcached_behavior_get(memc, MEMCACHED_BEHAVIOR_DISTRIBUTION);
 154   assert(value == MEMCACHED_DISTRIBUTION_CONSISTENT);
 155
 156   hash= (memcached_hash_t)memcached_behavior_get(memc, MEMCACHED_BEHAVIOR_HASH);
 157   assert(hash == MEMCACHED_HASH_HSIEH);
 158
 159
 160   return MEMCACHED_SUCCESS;
 161 }
 162
 163 /*
 164   Set the value, then quit to make sure it is flushed.
 165   Come back in and test that add fails.
 166 */
 167 static test_return_t add_test(memcached_st *memc)
 168 {
 169   memcached_return_t rc;
 170   const char *key= "foo";
 171   const char *value= "when we sanitize";
 172   unsigned long long setting_value;
 173
 174   setting_value= memcached_behavior_get(memc, MEMCACHED_BEHAVIOR_NO_BLOCK);
 175
 176   rc= memcached_set(memc, key, strlen(key),
 177                     value, strlen(value),
 178                     (time_t)0, (uint32_t)0);
 179   test_truth(rc == MEMCACHED_SUCCESS || rc == MEMCACHED_BUFFERED);
 180   memcached_quit(memc);
 181   rc= memcached_add(memc, key, strlen(key),
 182                     value, strlen(value),
 183                     (time_t)0, (uint32_t)0);
 184
 185   /* Too many broken OS'es have broken loopback in async, so we can't be sure of the result */
 186   if (setting_value)
 187   {
 188     test_truth(rc == MEMCACHED_NOTSTORED || rc == MEMCACHED_STORED);
 189   }
 190   else
 191   {
 192     test_truth(rc == MEMCACHED_NOTSTORED);
 193   }
 194
 195   return 0;
 196 }
 197
 198 /*
 199  * repeating add_tests many times
 200  * may show a problem in timing
 201  */
 202 static test_return_t many_adds(memcached_st *memc)
 203 {
 204   unsigned int i;
 205   for (i = 0; i < TEST_COUNTER; i++)
 206   {
 207     add_test(memc);
 208   }
 209   return 0;
 210 }
 211
 212 test_st smash_tests[] ={
 213   {"generate_pairs", 1, (test_callback_fn)generate_pairs },
 214   {"drizzle", 1, (test_callback_fn)drizzle },
 215   {"cleanup", 1, (test_callback_fn)cleanup_pairs },
 216   {"many_adds", 1, (test_callback_fn)many_adds },
 217   {0, 0, 0}
 218 };
 219
 220
 221 collection_st collection[] ={
 222   {"smash", 0, 0, smash_tests},
 223   {"smash_hsieh", (test_callback_fn)pre_hsieh, 0, smash_tests},
 224   {"smash_hsieh_consistent", (test_callback_fn)enable_consistent, 0, smash_tests},
 225   {"smash_md5", (test_callback_fn)pre_md5, 0, smash_tests},
 226   {"smash_nonblock", (test_callback_fn)pre_nonblock, 0, smash_tests},
 227   {0, 0, 0, 0}
 228 };
 229
 230
 231 #define SERVERS_TO_CREATE 5
 232
 233 #include "libmemcached_world.h"
 234
 235 void get_world(world_st *world)
 236 {
 237   world->collections= collection;
 238   world->collection_startup= (test_callback_fn)world_collection_startup;
 239   world->flush= (test_callback_fn)world_flush;
 240   world->pre_run= (test_callback_fn)world_pre_run;
 241   world->create= (test_callback_create_fn)world_create;
 242   world->post_run= (test_callback_fn)world_post_run;
 243   world->on_error= (test_callback_error_fn)world_on_error;
 244   world->destroy= (test_callback_fn)world_destroy;
 245   world->runner= &defualt_libmemcached_runner;
 246 }