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

   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 <config.h>
  16
  17 #include <libtest/test.hpp>
  18
  19 #include <libmemcached/memcached.h>
  20 #include <libmemcached/watchpoint.h>
  21
  22 #include <cstdio>
  23 #include <cstdlib>
  24 #include <stdint.h>
  25 #include <cstring>
  26 #include <sys/time.h>
  27 #include <sys/types.h>
  28 #include <sys/stat.h>
  29 #include <unistd.h>
  30 #include <ctime>
  31 #include <clients/generator.h>
  32 #include <clients/execute.h>
  33
  34 #include <libtest/server.h>
  35
  36 using namespace libtest;
  37
  38 /* Number of items generated for tests */
  39 #define GLOBAL_COUNT 100000
  40
  41 /* Number of times to run the test loop */
  42 #define TEST_COUNTER 500000
  43 static uint32_t global_count;
  44
  45 static pairs_st *global_pairs;
  46 static char *global_keys[GLOBAL_COUNT];
  47 static size_t global_keys_length[GLOBAL_COUNT];
  48
  49 static test_return_t cleanup_pairs(memcached_st *memc)
  50 {
  51   (void)memc;
  52   pairs_free(global_pairs);
  53
  54   return TEST_SUCCESS;
  55 }
  56
  57 static test_return_t generate_pairs(memcached_st *memc)
  58 {
  59   (void)memc;
  60   global_pairs= pairs_generate(GLOBAL_COUNT, 400);
  61   global_count= GLOBAL_COUNT;
  62
  63   for (size_t x= 0; x < global_count; x++)
  64   {
  65     global_keys[x]= global_pairs[x].key;
  66     global_keys_length[x]=  global_pairs[x].key_length;
  67   }
  68
  69   return TEST_SUCCESS;
  70 }
  71
  72 static test_return_t drizzle(memcached_st *memc)
  73 {
  74   memcached_return_t rc;
  75   char *return_value;
  76   size_t return_value_length;
  77   uint32_t flags;
  78
  79 infinite:
  80   for (size_t x= 0; x < TEST_COUNTER; x++)
  81   {
  82     uint32_t test_bit;
  83     uint8_t which;
  84
  85     test_bit= (uint32_t)(random() % GLOBAL_COUNT);
  86     which= (uint8_t)(random() % 2);
  87
  88     if (which == 0)
  89     {
  90       return_value= memcached_get(memc, global_keys[test_bit], global_keys_length[test_bit],
  91                                   &return_value_length, &flags, &rc);
  92       if (rc == MEMCACHED_SUCCESS && return_value)
  93       {
  94         free(return_value);
  95       }
  96       else if (rc == MEMCACHED_NOTFOUND)
  97       {
  98         continue;
  99       }
 100       else
 101       {
 102         WATCHPOINT_ERROR(rc);
 103         WATCHPOINT_ASSERT(rc);
 104       }
 105     }
 106     else
 107     {
 108       rc= memcached_set(memc, global_pairs[test_bit].key,
 109                         global_pairs[test_bit].key_length,
 110                         global_pairs[test_bit].value,
 111                         global_pairs[test_bit].value_length,
 112                         0, 0);
 113       if (rc != MEMCACHED_SUCCESS && rc != MEMCACHED_BUFFERED)
 114       {
 115         WATCHPOINT_ERROR(rc);
 116         WATCHPOINT_ASSERT(0);
 117       }
 118     }
 119   }
 120
 121   if (getenv("MEMCACHED_ATOM_BURIN_IN"))
 122     goto infinite;
 123
 124   return TEST_SUCCESS;
 125 }
 126
 127 static test_return_t pre_nonblock(memcached_st *memc)
 128 {
 129   memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_NO_BLOCK, 0);
 130
 131   return TEST_SUCCESS;
 132 }
 133
 134 /*
 135   Set the value, then quit to make sure it is flushed.
 136   Come back in and test that add fails.
 137 */
 138 static test_return_t add_test(memcached_st *memc)
 139 {
 140   memcached_return_t rc;
 141   const char *key= "foo";
 142   const char *value= "when we sanitize";
 143   unsigned long long setting_value;
 144
 145   setting_value= memcached_behavior_get(memc, MEMCACHED_BEHAVIOR_NO_BLOCK);
 146
 147   rc= memcached_set(memc, key, strlen(key),
 148                     value, strlen(value),
 149                     (time_t)0, (uint32_t)0);
 150   test_true(rc == MEMCACHED_SUCCESS || rc == MEMCACHED_BUFFERED);
 151   memcached_quit(memc);
 152   rc= memcached_add(memc, key, strlen(key),
 153                     value, strlen(value),
 154                     (time_t)0, (uint32_t)0);
 155
 156   /* Too many broken OS'es have broken loopback in async, so we can't be sure of the result */
 157   if (setting_value)
 158   {
 159     test_true(rc == MEMCACHED_NOTSTORED || rc == MEMCACHED_STORED);
 160   }
 161   else
 162   {
 163     test_true(rc == MEMCACHED_NOTSTORED);
 164   }
 165
 166   return TEST_SUCCESS;
 167 }
 168
 169 /*
 170  * repeating add_tests many times
 171  * may show a problem in timing
 172  */
 173 static test_return_t many_adds(memcached_st *memc)
 174 {
 175   for (size_t x= 0; x < TEST_COUNTER; x++)
 176   {
 177     add_test(memc);
 178   }
 179   return TEST_SUCCESS;
 180 }
 181
 182 test_st smash_tests[] ={
 183   {"generate_pairs", 1, (test_callback_fn*)generate_pairs },
 184   {"drizzle", 1, (test_callback_fn*)drizzle },
 185   {"cleanup", 1, (test_callback_fn*)cleanup_pairs },
 186   {"many_adds", 1, (test_callback_fn*)many_adds },
 187   {0, 0, 0}
 188 };
 189
 190 #define BENCHMARK_TEST_LOOP 20000
 191
 192 struct benchmark_state_st
 193 {
 194   bool create_init;
 195   bool clone_init;
 196   memcached_st *create;
 197   memcached_st *clone;
 198 } benchmark_state;
 199
 200 static test_return_t memcached_create_benchmark(memcached_st *memc)
 201 {
 202   (void)memc;
 203   benchmark_state.create_init= true;
 204
 205   for (size_t x= 0; x < BENCHMARK_TEST_LOOP; x++)
 206   {
 207     memcached_st *ptr;
 208     ptr= memcached_create(&benchmark_state.create[x]);
 209
 210     test_true(ptr);
 211   }
 212
 213   return TEST_SUCCESS;
 214 }
 215
 216 static test_return_t memcached_clone_benchmark(memcached_st *memc)
 217 {
 218   benchmark_state.clone_init= true;
 219
 220   for (size_t x= 0; x < BENCHMARK_TEST_LOOP; x++)
 221   {
 222     memcached_st *ptr;
 223     ptr= memcached_clone(&benchmark_state.clone[x], memc);
 224
 225     test_true(ptr);
 226   }
 227
 228   return TEST_SUCCESS;
 229 }
 230
 231 static test_return_t pre_allocate(memcached_st *memc)
 232 {
 233   (void)memc;
 234   memset(&benchmark_state, 0, sizeof(benchmark_state));
 235
 236   benchmark_state.create= (memcached_st *)calloc(BENCHMARK_TEST_LOOP, sizeof(memcached_st));
 237   test_true(benchmark_state.create);
 238   benchmark_state.clone= (memcached_st *)calloc(BENCHMARK_TEST_LOOP, sizeof(memcached_st));
 239   test_true(benchmark_state.clone);
 240
 241   return TEST_SUCCESS;
 242 }
 243
 244 static test_return_t post_allocate(memcached_st *memc)
 245 {
 246   (void)memc;
 247   for (size_t x= 0; x < BENCHMARK_TEST_LOOP; x++)
 248   {
 249     if (benchmark_state.create_init)
 250       memcached_free(&benchmark_state.create[x]);
 251
 252     if (benchmark_state.clone_init)
 253       memcached_free(&benchmark_state.clone[x]);
 254   }
 255
 256   free(benchmark_state.create);
 257   free(benchmark_state.clone);
 258
 259   return TEST_SUCCESS;
 260 }
 261
 262
 263 test_st micro_tests[] ={
 264   {"memcached_create", 1, (test_callback_fn*)memcached_create_benchmark },
 265   {"memcached_clone", 1, (test_callback_fn*)memcached_clone_benchmark },
 266   {0, 0, 0}
 267 };
 268
 269
 270 collection_st collection[] ={
 271   {"smash", 0, 0, smash_tests},
 272   {"smash_nonblock", (test_callback_fn*)pre_nonblock, 0, smash_tests},
 273   {"micro-benchmark", (test_callback_fn*)pre_allocate, (test_callback_fn*)post_allocate, micro_tests},
 274   {0, 0, 0, 0}
 275 };
 276
 277
 278 #define SERVERS_TO_CREATE 5
 279
 280 #include "libmemcached_world.h"
 281
 282 void get_world(Framework *world)
 283 {
 284   world->collections= collection;
 285
 286   world->_create= (test_callback_create_fn*)world_create;
 287   world->_destroy= (test_callback_destroy_fn*)world_destroy;
 288
 289   world->item._startup= (test_callback_fn*)world_test_startup;
 290   world->item._flush= (test_callback_fn*)world_flush;
 291   world->item.set_pre((test_callback_fn*)world_pre_run);
 292   world->item.set_post((test_callback_fn*)world_post_run);
 293   world->_on_error= (test_callback_error_fn*)world_on_error;
 294
 295   world->collection_startup= (test_callback_fn*)world_container_startup;
 296   world->collection_shutdown= (test_callback_fn*)world_container_shutdown;
 297
 298   world->set_runner(&defualt_libmemcached_runner);
 299 }