git.m6w6.name Git - awesomized/libmemcached/blob - tests/mem_udp.cc

   1 /*  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
   2  *
   3  *  Libmemcached library
   4  *
   5  *  Copyright (C) 2011 Data Differential, http://datadifferential.com/
   6  *  Copyright (C) 2006-2009 Brian Aker All rights reserved.
   7  *
   8  *  Redistribution and use in source and binary forms, with or without
   9  *  modification, are permitted provided that the following conditions are
  10  *  met:
  11  *
  12  *      * Redistributions of source code must retain the above copyright
  13  *  notice, this list of conditions and the following disclaimer.
  14  *
  15  *      * Redistributions in binary form must reproduce the above
  16  *  copyright notice, this list of conditions and the following disclaimer
  17  *  in the documentation and/or other materials provided with the
  18  *  distribution.
  19  *
  20  *      * The names of its contributors may not be used to endorse or
  21  *  promote products derived from this software without specific prior
  22  *  written permission.
  23  *
  24  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  25  *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  26  *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  27  *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  28  *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  29  *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  30  *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  31  *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  32  *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  33  *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  34  *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  35  *
  36  */
  37
  38
  39 /*
  40   Sample test application.
  41 */
  42
  43 #include <config.h>
  44 #include <libtest/test.hpp>
  45
  46 using namespace libtest;
  47
  48 #include <libmemcached-1.0/memcached.h>
  49 #include <libmemcached/server_instance.h>
  50 #include <libmemcached/io.h>
  51 #include <libmemcached/udp.hpp>
  52 #include <libmemcachedutil-1.0/util.h>
  53
  54 #include <cassert>
  55 #include <cstdio>
  56 #include <cstdlib>
  57 #include <cstring>
  58 #include <sys/time.h>
  59 #include <sys/types.h>
  60 #include <sys/stat.h>
  61 #include <signal.h>
  62 #include <unistd.h>
  63 #include <time.h>
  64
  65 #include <libtest/server.h>
  66
  67 #ifndef __INTEL_COMPILER
  68 #pragma GCC diagnostic ignored "-Wstrict-aliasing"
  69 #endif
  70
  71 /**
  72   @note This should be testing to see if the server really supports the binary protocol.
  73 */
  74 static test_return_t pre_binary(memcached_st *memc)
  75 {
  76   memcached_st *memc_clone= memcached_clone(NULL, memc);
  77   test_true(memc_clone);
  78
  79   // The memcached_version needs to be done on a clone, because the server
  80   // will not toggle protocol on an connection.
  81   memcached_version(memc_clone);
  82
  83   test_compare(MEMCACHED_SUCCESS, memcached_version(memc));
  84   test_compare(true, libmemcached_util_version_check(memc, 1, 2, 1));
  85   test_compare(MEMCACHED_SUCCESS, memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL, true));
  86   test_compare(true, memcached_behavior_get(memc, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL));
  87
  88   memcached_free(memc_clone);
  89
  90   return TEST_SUCCESS;
  91 }
  92
  93 typedef std::vector<uint16_t> Expected;
  94
  95 static void increment_request_id(uint16_t *id)
  96 {
  97   (*id)++;
  98   if ((*id & UDP_REQUEST_ID_THREAD_MASK) != 0)
  99   {
 100     *id= 0;
 101   }
 102 }
 103
 104 static void get_udp_request_ids(memcached_st *memc, Expected &ids)
 105 {
 106   for (uint32_t x= 0; x < memcached_server_count(memc); x++)
 107   {
 108     memcached_server_instance_st instance= memcached_server_instance_by_position(memc, x);
 109
 110     ids.push_back(get_udp_datagram_request_id((struct udp_datagram_header_st *) ((memcached_server_instance_st )instance)->write_buffer));
 111   }
 112 }
 113
 114 static test_return_t post_udp_op_check(memcached_st *memc, Expected& expected_req_ids)
 115 {
 116   (void)memc;
 117   (void)expected_req_ids;
 118 #if 0
 119   memcached_server_st *cur_server = memcached_server_list(memc);
 120   uint16_t *cur_req_ids = get_udp_request_ids(memc);
 121
 122   for (size_t x= 0; x < memcached_server_count(memc); x++)
 123   {
 124     test_true(cur_server[x].cursor_active == 0);
 125     test_true(cur_req_ids[x] == expected_req_ids[x]);
 126   }
 127   free(expected_req_ids);
 128   free(cur_req_ids);
 129
 130 #endif
 131   return TEST_SUCCESS;
 132 }
 133
 134 /*
 135 ** There is a little bit of a hack here, instead of removing
 136 ** the servers, I just set num host to 0 and them add then new udp servers
 137 **/
 138 static test_return_t init_udp(memcached_st *memc)
 139 {
 140   test_skip(MEMCACHED_SUCCESS, memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_USE_UDP, true));
 141
 142   return TEST_SUCCESS;
 143 }
 144
 145 static test_return_t init_udp_valgrind(memcached_st *memc)
 146 {
 147   if (getenv("TESTS_ENVIRONMENT"))
 148   {
 149     return TEST_SKIPPED;
 150   }
 151
 152   test_skip(MEMCACHED_SUCCESS, memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_USE_UDP, true));
 153
 154   return TEST_SUCCESS;
 155 }
 156
 157 static test_return_t binary_init_udp(memcached_st *memc)
 158 {
 159   if (getenv("TESTS_ENVIRONMENT"))
 160   {
 161     return TEST_SKIPPED;
 162   }
 163
 164   test_skip(TEST_SUCCESS, pre_binary(memc));
 165
 166   return init_udp(memc);
 167 }
 168
 169 /* Make sure that I cant add a tcp server to a udp client */
 170 static test_return_t add_tcp_server_udp_client_test(memcached_st *memc)
 171 {
 172   (void)memc;
 173 #if 0
 174   memcached_server_st server;
 175   memcached_server_instance_st instance=
 176     memcached_server_instance_by_position(memc, 0);
 177   memcached_server_clone(&server, &memc->hosts[0]);
 178   test_true(memcached_server_remove(&(memc->hosts[0])) == MEMCACHED_SUCCESS);
 179   test_true(memcached_server_add(memc, server.hostname, server.port) == MEMCACHED_INVALID_HOST_PROTOCOL);
 180 #endif
 181   return TEST_SUCCESS;
 182 }
 183
 184 /* Make sure that I cant add a udp server to a tcp client */
 185 static test_return_t add_udp_server_tcp_client_test(memcached_st *memc)
 186 {
 187   (void)memc;
 188 #if 0
 189   memcached_server_st server;
 190   memcached_server_instance_st instance=
 191     memcached_server_instance_by_position(memc, 0);
 192   memcached_server_clone(&server, &memc->hosts[0]);
 193   test_true(memcached_server_remove(&(memc->hosts[0])) == MEMCACHED_SUCCESS);
 194
 195   memcached_st tcp_client;
 196   memcached_create(&tcp_client);
 197   test_true(memcached_server_add_udp(&tcp_client, server.hostname, server.port) == MEMCACHED_INVALID_HOST_PROTOCOL);
 198 #endif
 199
 200   return TEST_SUCCESS;
 201 }
 202
 203 static test_return_t set_udp_behavior_test(memcached_st *memc)
 204 {
 205   memcached_quit(memc);
 206
 207   test_compare(MEMCACHED_SUCCESS, memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_DISTRIBUTION, memc->distribution));
 208   test_compare(MEMCACHED_SUCCESS, memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_USE_UDP, true));
 209   test_compare(true, memc->flags.use_udp);
 210   test_compare(false, memc->flags.reply);
 211
 212   test_compare(MEMCACHED_SUCCESS, memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_USE_UDP, false));
 213   test_compare(false, memc->flags.use_udp);
 214   test_compare(MEMCACHED_SUCCESS, memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_NOREPLY, false));
 215   test_compare(true, memc->flags.reply);
 216
 217   return TEST_SUCCESS;
 218 }
 219
 220 static test_return_t udp_set_test(memcached_st *memc)
 221 {
 222   // Assume we are running under valgrind, and bail
 223   if (getenv("TESTS_ENVIRONMENT"))
 224   {
 225     return TEST_SUCCESS;
 226   }
 227
 228   const unsigned int num_iters= 1025; //request id rolls over at 1024
 229
 230   test_true(memc);
 231
 232   for (size_t x= 0; x < num_iters;x++)
 233   {
 234     Expected expected_ids;
 235     get_udp_request_ids(memc, expected_ids);
 236     unsigned int server_key= memcached_generate_hash(memc, test_literal_param("foo"));
 237     test_true(server_key < memcached_server_count(memc));
 238     memcached_server_instance_st instance= memcached_server_instance_by_position(memc, server_key);
 239     size_t init_offset= instance->write_buffer_offset;
 240
 241     test_compare_hint(MEMCACHED_SUCCESS,
 242                       memcached_set(memc,
 243                                     test_literal_param("foo"),
 244                                     test_literal_param("when we sanitize"),
 245                                     time_t(0), uint32_t(0)),
 246                       memcached_last_error_message(memc));
 247
 248     /*
 249       NB, the check below assumes that if new write_ptr is less than
 250       the original write_ptr that we have flushed. For large payloads, this
 251       maybe an invalid assumption, but for the small payload we have it is OK
 252     */
 253     if (instance->write_buffer_offset < init_offset)
 254     {
 255       increment_request_id(&expected_ids[server_key]);
 256     }
 257
 258     test_compare(TEST_SUCCESS, post_udp_op_check(memc, expected_ids));
 259   }
 260
 261   return TEST_SUCCESS;
 262 }
 263
 264 static test_return_t udp_buffered_set_test(memcached_st *memc)
 265 {
 266   test_true(memc);
 267   test_compare(MEMCACHED_INVALID_ARGUMENTS,
 268                memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_BUFFER_REQUESTS, true));
 269   return TEST_SUCCESS;
 270 }
 271
 272 static test_return_t udp_set_too_big_test(memcached_st *memc)
 273 {
 274   test_true(memc);
 275   char value[MAX_UDP_DATAGRAM_LENGTH];
 276   Expected expected_ids;
 277   get_udp_request_ids(memc, expected_ids);
 278
 279   memset(value, int('f'), sizeof(value));
 280
 281   test_compare_hint(MEMCACHED_WRITE_FAILURE,
 282                     memcached_set(memc, test_literal_param("bar"),
 283                                   test_literal_param(value),
 284                                   time_t(0), uint32_t(0)),
 285                     memcached_last_error_message(memc));
 286
 287   return post_udp_op_check(memc, expected_ids);
 288 }
 289
 290 static test_return_t udp_delete_test(memcached_st *memc)
 291 {
 292   test_true(memc);
 293
 294   //request id rolls over at 1024
 295   for (size_t x= 0; x < 1025; x++)
 296   {
 297     Expected expected_ids;
 298     get_udp_request_ids(memc, expected_ids);
 299
 300     unsigned int server_key= memcached_generate_hash(memc, test_literal_param("foo"));
 301     memcached_server_instance_st instance= memcached_server_instance_by_position(memc, server_key);
 302     size_t init_offset= instance->write_buffer_offset;
 303
 304     test_compare(MEMCACHED_SUCCESS,
 305                  memcached_delete(memc, test_literal_param("foo"), 0));
 306
 307     if (instance->write_buffer_offset < init_offset)
 308     {
 309       increment_request_id(&expected_ids[server_key]);
 310     }
 311
 312     test_compare(TEST_SUCCESS, post_udp_op_check(memc, expected_ids));
 313   }
 314
 315   return TEST_SUCCESS;
 316 }
 317
 318 static test_return_t udp_buffered_delete_test(memcached_st *memc)
 319 {
 320   memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_BUFFER_REQUESTS, 1);
 321   return udp_delete_test(memc);
 322 }
 323
 324 static test_return_t udp_verbosity_test(memcached_st *memc)
 325 {
 326   Expected expected_ids;
 327   get_udp_request_ids(memc, expected_ids);
 328
 329   for (size_t x= 0; x < memcached_server_count(memc); x++)
 330   {
 331     increment_request_id(&expected_ids[x]);
 332   }
 333
 334   test_compare(MEMCACHED_SUCCESS, memcached_verbosity(memc, 3));
 335
 336   return post_udp_op_check(memc, expected_ids);
 337 }
 338
 339 static test_return_t udp_quit_test(memcached_st *memc)
 340 {
 341   Expected expected_ids;
 342   memcached_quit(memc);
 343
 344   return post_udp_op_check(memc, expected_ids);
 345 }
 346
 347 static test_return_t udp_flush_test(memcached_st *memc)
 348 {
 349   Expected expected_ids;
 350   get_udp_request_ids(memc, expected_ids);
 351
 352   for (size_t x= 0; x < memcached_server_count(memc); x++)
 353   {
 354     increment_request_id(&expected_ids[x]);
 355   }
 356   test_compare_hint(MEMCACHED_SUCCESS, memcached_flush(memc, 0), memcached_last_error_message(memc));
 357
 358   return post_udp_op_check(memc, expected_ids);
 359 }
 360
 361 static test_return_t udp_incr_test(memcached_st *memc)
 362 {
 363   test_compare(MEMCACHED_SUCCESS,
 364                memcached_set(memc, test_literal_param("incr"),
 365                              test_literal_param("1"),
 366                              (time_t)0, (uint32_t)0));
 367
 368   Expected expected_ids;
 369   get_udp_request_ids(memc, expected_ids);
 370
 371   unsigned int server_key= memcached_generate_hash(memc, test_literal_param("incr"));
 372   increment_request_id(&expected_ids[server_key]);
 373
 374   uint64_t newvalue;
 375   test_compare(MEMCACHED_SUCCESS, memcached_increment(memc, test_literal_param("incr"), 1, &newvalue));
 376
 377   return post_udp_op_check(memc, expected_ids);
 378 }
 379
 380 static test_return_t udp_decr_test(memcached_st *memc)
 381 {
 382   test_compare(MEMCACHED_SUCCESS,
 383                memcached_set(memc,
 384                              test_literal_param(__func__),
 385                              test_literal_param("1"),
 386                              (time_t)0, (uint32_t)0));
 387
 388   Expected expected_ids;
 389   get_udp_request_ids(memc, expected_ids);
 390
 391   unsigned int server_key= memcached_generate_hash(memc,
 392                                                    test_literal_param(__func__));
 393   increment_request_id(&expected_ids[server_key]);
 394
 395   uint64_t newvalue;
 396   test_compare(MEMCACHED_SUCCESS, memcached_decrement(memc,
 397                                                       test_literal_param(__func__),
 398                                                       1, &newvalue));
 399
 400   return post_udp_op_check(memc, expected_ids);
 401 }
 402
 403
 404 static test_return_t udp_stat_test(memcached_st *memc)
 405 {
 406   memcached_return_t rc;
 407   char args[]= "";
 408   Expected expected_ids;
 409   get_udp_request_ids(memc, expected_ids);
 410   memcached_stat_st *rv= memcached_stat(memc, args, &rc);
 411   memcached_stat_free(memc, rv);
 412   test_compare(MEMCACHED_NOT_SUPPORTED, rc);
 413
 414   return post_udp_op_check(memc, expected_ids);
 415 }
 416
 417 static test_return_t udp_version_test(memcached_st *memc)
 418 {
 419   Expected expected_ids;
 420   get_udp_request_ids(memc, expected_ids);
 421
 422   test_compare(MEMCACHED_NOT_SUPPORTED,
 423                memcached_version(memc));
 424
 425   return post_udp_op_check(memc, expected_ids);
 426 }
 427
 428 static test_return_t udp_get_test(memcached_st *memc)
 429 {
 430   memcached_return_t rc;
 431   size_t vlen;
 432   Expected expected_ids;
 433   get_udp_request_ids(memc, expected_ids);
 434   test_null(memcached_get(memc, test_literal_param("foo"), &vlen, (uint32_t)0, &rc));
 435   test_compare(MEMCACHED_NOT_SUPPORTED, rc);
 436
 437   return post_udp_op_check(memc, expected_ids);
 438 }
 439
 440 static test_return_t udp_mixed_io_test(memcached_st *memc)
 441 {
 442   test_st mixed_io_ops [] ={
 443     {"udp_set_test", 0,
 444       (test_callback_fn*)udp_set_test},
 445     {"udp_set_too_big_test", 0,
 446       (test_callback_fn*)udp_set_too_big_test},
 447     {"udp_delete_test", 0,
 448       (test_callback_fn*)udp_delete_test},
 449     {"udp_verbosity_test", 0,
 450       (test_callback_fn*)udp_verbosity_test},
 451     {"udp_quit_test", 0,
 452       (test_callback_fn*)udp_quit_test},
 453 #if 0
 454     {"udp_flush_test", 0,
 455       (test_callback_fn*)udp_flush_test},
 456 #endif
 457     {"udp_incr_test", 0,
 458       (test_callback_fn*)udp_incr_test},
 459     {"udp_decr_test", 0,
 460       (test_callback_fn*)udp_decr_test},
 461     {"udp_version_test", 0,
 462       (test_callback_fn*)udp_version_test}
 463   };
 464
 465   for (size_t x= 0; x < 500; x++)
 466   {
 467     test_st current_op= mixed_io_ops[(random() % 8)];
 468     test_compare(TEST_SUCCESS, current_op.test_fn(memc));
 469   }
 470   return TEST_SUCCESS;
 471 }
 472
 473 test_st udp_setup_server_tests[] ={
 474   {"set_udp_behavior_test", 0, (test_callback_fn*)set_udp_behavior_test},
 475   {"add_tcp_server_udp_client_test", 0, (test_callback_fn*)add_tcp_server_udp_client_test},
 476   {"add_udp_server_tcp_client_test", 0, (test_callback_fn*)add_udp_server_tcp_client_test},
 477   {0, 0, 0}
 478 };
 479
 480 test_st upd_io_tests[] ={
 481   {"udp_set_test", 0, (test_callback_fn*)udp_set_test},
 482   {"udp_buffered_set_test", 0, (test_callback_fn*)udp_buffered_set_test},
 483   {"udp_set_too_big_test", 0, (test_callback_fn*)udp_set_too_big_test},
 484   {"udp_delete_test", 0, (test_callback_fn*)udp_delete_test},
 485   {"udp_buffered_delete_test", 0, (test_callback_fn*)udp_buffered_delete_test},
 486   {"udp_verbosity_test", 0, (test_callback_fn*)udp_verbosity_test},
 487   {"udp_quit_test", 0, (test_callback_fn*)udp_quit_test},
 488   {"udp_flush_test", 0, (test_callback_fn*)udp_flush_test},
 489   {"udp_incr_test", 0, (test_callback_fn*)udp_incr_test},
 490   {"udp_decr_test", 0, (test_callback_fn*)udp_decr_test},
 491   {"udp_stat_test", 0, (test_callback_fn*)udp_stat_test},
 492   {"udp_version_test", 0, (test_callback_fn*)udp_version_test},
 493   {"udp_get_test", 0, (test_callback_fn*)udp_get_test},
 494   {"udp_mixed_io_test", 0, (test_callback_fn*)udp_mixed_io_test},
 495   {0, 0, 0}
 496 };
 497
 498 collection_st collection[] ={
 499   {"udp_setup", (test_callback_fn*)init_udp, 0, udp_setup_server_tests},
 500   {"udp_io", (test_callback_fn*)init_udp_valgrind, 0, upd_io_tests},
 501   {"udp_binary_io", (test_callback_fn*)binary_init_udp, 0, upd_io_tests},
 502   {0, 0, 0, 0}
 503 };
 504
 505 #define TEST_PORT_BASE MEMCACHED_DEFAULT_PORT +10
 506 #include "tests/libmemcached_world.h"
 507
 508 void get_world(Framework *world)
 509 {
 510   world->collections= collection;
 511
 512   world->_create= (test_callback_create_fn*)world_create;
 513   world->_destroy= (test_callback_destroy_fn*)world_destroy;
 514
 515   world->item._startup= (test_callback_fn*)world_test_startup;
 516   world->item._flush= (test_callback_fn*)world_flush;
 517   world->item.set_pre((test_callback_fn*)world_pre_run);
 518   world->item.set_post((test_callback_fn*)world_post_run);
 519   world->_on_error= (test_callback_error_fn*)world_on_error;
 520
 521   world->collection_startup= (test_callback_fn*)world_container_startup;
 522   world->collection_shutdown= (test_callback_fn*)world_container_shutdown;
 523
 524   world->set_runner(&defualt_libmemcached_runner);
 525 }