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   1 /*  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
   2  *
   3  *  Libmemcached Client and Server
   4  *
   5  *  Copyright (C) 2011 Data Differential, http://datadifferential.com/
   6  *  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 #include <config.h>
  39
  40 #include <vector>
  41 #include <iostream>
  42 #include <string>
  43 #include <cerrno>
  44 #include <cassert>
  45
  46 #include <libtest/test.hpp>
  47
  48 #define BUILDING_LIBMEMCACHED
  49 // !NEVER use common.h, always use memcached.h in your own apps
  50 #include <libmemcached/common.h>
  51 #include <libmemcached/util.h>
  52
  53 #include <tests/parser.h>
  54 #include <tests/print.h>
  55
  56 enum scanner_type_t
  57 {
  58   NIL,
  59   UNSIGNED,
  60   SIGNED,
  61   ARRAY
  62 };
  63
  64
  65 struct scanner_string_st {
  66   const char *c_str;
  67   size_t size;
  68 };
  69
  70 static inline scanner_string_st scanner_string(const char *arg, size_t arg_size)
  71 {
  72   scanner_string_st local= { arg, arg_size };
  73   return local;
  74 }
  75
  76 #define make_scanner_string(X) scanner_string((X), static_cast<size_t>(sizeof(X) - 1))
  77
  78 static struct scanner_string_st scanner_string_null= { 0, 0};
  79
  80 struct scanner_variable_t {
  81   enum scanner_type_t type;
  82   struct scanner_string_st option;
  83   struct scanner_string_st result;
  84   test_return_t (*check_func)(memcached_st *memc, const scanner_string_st &hostname);
  85 };
  86
  87 // Check and make sure the first host is what we expect it to be
  88 static test_return_t __check_host(memcached_st *memc, const scanner_string_st &hostname)
  89 {
  90   memcached_server_instance_st instance=
  91     memcached_server_instance_by_position(memc, 0);
  92
  93   test_true(instance);
  94
  95   const char *first_hostname = memcached_server_name(instance);
  96   test_true(first_hostname);
  97   test_strcmp(first_hostname, hostname.c_str);
  98
  99   return TEST_SUCCESS;
 100 }
 101
 102 // Check and make sure the prefix_key is what we expect it to be
 103 static test_return_t __check_prefix_key(memcached_st *memc, const scanner_string_st &hostname)
 104 {
 105   memcached_server_instance_st instance=
 106     memcached_server_instance_by_position(memc, 0);
 107
 108   test_true(instance);
 109
 110   const char *first_hostname = memcached_server_name(instance);
 111   test_true(first_hostname);
 112   test_strcmp(first_hostname, hostname.c_str);
 113
 114   return TEST_SUCCESS;
 115 }
 116
 117 static test_return_t __check_IO_MSG_WATERMARK(memcached_st *memc, const scanner_string_st &value)
 118 {
 119   uint64_t value_number;
 120
 121   value_number= atoll(value.c_str);
 122
 123   test_true(memcached_behavior_get(memc, MEMCACHED_BEHAVIOR_IO_MSG_WATERMARK) == value_number);
 124   return TEST_SUCCESS;
 125 }
 126
 127 static test_return_t __check_REMOVE_FAILED_SERVERS(memcached_st *memc, const scanner_string_st &)
 128 {
 129   test_true(memcached_behavior_get(memc, MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS));
 130   return TEST_SUCCESS;
 131 }
 132
 133 static test_return_t __check_NOREPLY(memcached_st *memc, const scanner_string_st &)
 134 {
 135   test_true(memcached_behavior_get(memc, MEMCACHED_BEHAVIOR_NOREPLY));
 136   return TEST_SUCCESS;
 137 }
 138
 139 static test_return_t __check_VERIFY_KEY(memcached_st *memc, const scanner_string_st &)
 140 {
 141   test_true(memcached_behavior_get(memc, MEMCACHED_BEHAVIOR_VERIFY_KEY));
 142   return TEST_SUCCESS;
 143 }
 144
 145 static test_return_t __check_distribution_RANDOM(memcached_st *memc, const scanner_string_st &)
 146 {
 147   test_true(memcached_behavior_get(memc, MEMCACHED_BEHAVIOR_DISTRIBUTION) == MEMCACHED_DISTRIBUTION_RANDOM);
 148   return TEST_SUCCESS;
 149 }
 150
 151 scanner_variable_t test_server_strings[]= {
 152   { ARRAY, make_scanner_string("--server=localhost"), make_scanner_string("localhost"), __check_host },
 153   { ARRAY, make_scanner_string("--server=10.0.2.1"), make_scanner_string("10.0.2.1"), __check_host },
 154   { ARRAY, make_scanner_string("--server=example.com"), make_scanner_string("example.com"), __check_host },
 155   { ARRAY, make_scanner_string("--server=localhost:30"), make_scanner_string("localhost"), __check_host },
 156   { ARRAY, make_scanner_string("--server=10.0.2.1:20"), make_scanner_string("10.0.2.1"), __check_host },
 157   { ARRAY, make_scanner_string("--server=example.com:1024"), make_scanner_string("example.com"), __check_host },
 158   { NIL, scanner_string_null, scanner_string_null, NULL }
 159 };
 160
 161 scanner_variable_t test_server_strings_with_weights[]= {
 162   { ARRAY, make_scanner_string("--server=10.0.2.1:30/?40"), make_scanner_string("10.0.2.1"), __check_host },
 163   { ARRAY, make_scanner_string("--server=example.com:1024/?30"), make_scanner_string("example.com"), __check_host },
 164   { ARRAY, make_scanner_string("--server=10.0.2.1/?20"), make_scanner_string("10.0.2.1"), __check_host },
 165   { ARRAY, make_scanner_string("--server=example.com/?10"), make_scanner_string("example.com"), __check_host },
 166   { NIL, scanner_string_null, scanner_string_null, NULL }
 167 };
 168
 169 scanner_variable_t bad_test_strings[]= {
 170   { ARRAY, make_scanner_string("-servers=localhost:11221,localhost:11222,localhost:11223,localhost:11224,localhost:11225"), scanner_string_null, NULL },
 171   { ARRAY, make_scanner_string("-- servers=a.example.com:81,localhost:82,b.example.com"), scanner_string_null, NULL },
 172   { ARRAY, make_scanner_string("--servers=localhost:+80"), scanner_string_null, NULL},
 173   { ARRAY, make_scanner_string("--servers=localhost.com."), scanner_string_null, NULL},
 174   { ARRAY, make_scanner_string("--server=localhost.com."), scanner_string_null, NULL},
 175   { ARRAY, make_scanner_string("--server=localhost.com.:80"), scanner_string_null, NULL},
 176   { NIL, scanner_string_null, scanner_string_null, NULL}
 177 };
 178
 179 scanner_variable_t test_number_options[]= {
 180   { ARRAY,  make_scanner_string("--CONNECT-TIMEOUT=456"), scanner_string_null, NULL },
 181   { ARRAY,  make_scanner_string("--IO-BYTES-WATERMARK=456"), scanner_string_null, NULL },
 182   { ARRAY,  make_scanner_string("--IO-KEY-PREFETCH=456"), scanner_string_null, NULL },
 183   { ARRAY,  make_scanner_string("--IO-MSG-WATERMARK=456"), make_scanner_string("456"), __check_IO_MSG_WATERMARK },
 184   { ARRAY,  make_scanner_string("--NUMBER-OF-REPLICAS=456"), scanner_string_null, NULL },
 185   { ARRAY,  make_scanner_string("--POLL-TIMEOUT=456"), scanner_string_null, NULL },
 186   { ARRAY,  make_scanner_string("--RCV-TIMEOUT=456"), scanner_string_null, NULL },
 187   { ARRAY,  make_scanner_string("--REMOVE-FAILED-SERVERS=3"), scanner_string_null, __check_REMOVE_FAILED_SERVERS },
 188   { ARRAY,  make_scanner_string("--RETRY-TIMEOUT=456"), scanner_string_null, NULL },
 189   { ARRAY,  make_scanner_string("--SND-TIMEOUT=456"), scanner_string_null, NULL },
 190   { ARRAY,  make_scanner_string("--SOCKET-RECV-SIZE=456"), scanner_string_null, NULL },
 191   { ARRAY,  make_scanner_string("--SOCKET-SEND-SIZE=456"), scanner_string_null, NULL },
 192   { NIL, scanner_string_null, scanner_string_null, NULL}
 193 };
 194
 195 scanner_variable_t test_boolean_options[]= {
 196   { ARRAY,  make_scanner_string("--BINARY-PROTOCOL"), scanner_string_null, NULL },
 197   { ARRAY,  make_scanner_string("--BUFFER-REQUESTS"), scanner_string_null, NULL },
 198   { ARRAY,  make_scanner_string("--HASH-WITH-NAMESPACE"), scanner_string_null, NULL },
 199   { ARRAY,  make_scanner_string("--NOREPLY"), scanner_string_null, __check_NOREPLY },
 200   { ARRAY,  make_scanner_string("--RANDOMIZE-REPLICA-READ"), scanner_string_null, NULL },
 201   { ARRAY,  make_scanner_string("--SORT-HOSTS"), scanner_string_null, NULL },
 202   { ARRAY,  make_scanner_string("--SUPPORT-CAS"), scanner_string_null, NULL },
 203   { ARRAY,  make_scanner_string("--TCP-NODELAY"), scanner_string_null, NULL },
 204   { ARRAY,  make_scanner_string("--TCP-KEEPALIVE"), scanner_string_null, NULL },
 205   { ARRAY,  make_scanner_string("--TCP-KEEPIDLE"), scanner_string_null, NULL },
 206   { ARRAY,  make_scanner_string("--USE-UDP"), scanner_string_null, NULL },
 207   { ARRAY,  make_scanner_string("--VERIFY-KEY"), scanner_string_null, __check_VERIFY_KEY },
 208   { NIL, scanner_string_null, scanner_string_null, NULL}
 209 };
 210
 211 scanner_variable_t prefix_key_strings[]= {
 212   { ARRAY, make_scanner_string("--NAMESPACE=foo"), make_scanner_string("foo"), __check_prefix_key },
 213   { ARRAY, make_scanner_string("--NAMESPACE=\"foo\""), make_scanner_string("foo"), __check_prefix_key },
 214   { ARRAY, make_scanner_string("--NAMESPACE=\"This_is_a_very_long_key\""), make_scanner_string("This_is_a_very_long_key"), __check_prefix_key },
 215   { NIL, scanner_string_null, scanner_string_null, NULL}
 216 };
 217
 218 scanner_variable_t distribution_strings[]= {
 219   { ARRAY,  make_scanner_string("--DISTRIBUTION=consistent"), scanner_string_null, NULL },
 220   { ARRAY,  make_scanner_string("--DISTRIBUTION=consistent,CRC"), scanner_string_null, NULL },
 221   { ARRAY,  make_scanner_string("--DISTRIBUTION=consistent,MD5"), scanner_string_null, NULL },
 222   { ARRAY,  make_scanner_string("--DISTRIBUTION=random"), scanner_string_null, __check_distribution_RANDOM },
 223   { ARRAY,  make_scanner_string("--DISTRIBUTION=modula"), scanner_string_null, NULL },
 224   { NIL, scanner_string_null, scanner_string_null, NULL}
 225 };
 226
 227 scanner_variable_t hash_strings[]= {
 228   { ARRAY,  make_scanner_string("--HASH=CRC"), scanner_string_null, NULL },
 229   { ARRAY,  make_scanner_string("--HASH=FNV1A_32"), scanner_string_null, NULL },
 230   { ARRAY,  make_scanner_string("--HASH=FNV1A_64"), scanner_string_null, NULL },
 231   { ARRAY,  make_scanner_string("--HASH=FNV1_32"), scanner_string_null, NULL },
 232   { ARRAY,  make_scanner_string("--HASH=FNV1_64"), scanner_string_null, NULL },
 233   { ARRAY,  make_scanner_string("--HASH=JENKINS"), scanner_string_null, NULL },
 234   { ARRAY,  make_scanner_string("--HASH=MD5"), scanner_string_null, NULL },
 235   { ARRAY,  make_scanner_string("--HASH=MURMUR"), scanner_string_null, NULL },
 236   { NIL, scanner_string_null, scanner_string_null, NULL}
 237 };
 238
 239
 240 static test_return_t _test_option(scanner_variable_t *scanner, bool test_true= true)
 241 {
 242   (void)test_true;
 243
 244   for (scanner_variable_t *ptr= scanner; ptr->type != NIL; ptr++)
 245   {
 246     memcached_st *memc;
 247     memc= memcached(ptr->option.c_str, ptr->option.size);
 248     if (test_true)
 249     {
 250       if (not memc)
 251       {
 252         char buffer[2048];
 253         memcached_return_t rc= libmemcached_check_configuration(ptr->option.c_str, ptr->option.size, buffer, sizeof(buffer));
 254         std::cerr << "About error for " << memcached_strerror(NULL, rc) << " : " << buffer << std::endl;
 255       }
 256
 257       test_true(memc);
 258
 259       if (ptr->check_func)
 260       {
 261         test_return_t test_rc= (*ptr->check_func)(memc, ptr->result);
 262         if (test_rc != TEST_SUCCESS)
 263         {
 264           memcached_free(memc);
 265           return test_rc;
 266         }
 267       }
 268
 269       memcached_free(memc);
 270     }
 271     else
 272     {
 273       test_false_with(memc, ptr->option.c_str);
 274     }
 275   }
 276
 277   return TEST_SUCCESS;
 278 }
 279
 280 test_return_t server_test(memcached_st *)
 281 {
 282   return _test_option(test_server_strings);
 283 }
 284
 285 test_return_t server_with_weight_test(memcached_st *)
 286 {
 287   return _test_option(test_server_strings_with_weights);
 288 }
 289
 290 test_return_t servers_bad_test(memcached_st *)
 291 {
 292   test_return_t rc;
 293   if ((rc= _test_option(bad_test_strings, false)) != TEST_SUCCESS)
 294   {
 295     return rc;
 296   }
 297
 298   return TEST_SUCCESS;
 299 }
 300
 301 test_return_t parser_number_options_test(memcached_st*)
 302 {
 303   return _test_option(test_number_options);
 304 }
 305
 306 test_return_t parser_boolean_options_test(memcached_st*)
 307 {
 308   return _test_option(test_boolean_options);
 309 }
 310
 311 test_return_t behavior_parser_test(memcached_st*)
 312 {
 313   return TEST_SUCCESS;
 314 }
 315
 316 test_return_t parser_hash_test(memcached_st*)
 317 {
 318   return _test_option(hash_strings);
 319 }
 320
 321 test_return_t parser_distribution_test(memcached_st*)
 322 {
 323   return _test_option(distribution_strings);
 324 }
 325
 326 test_return_t parser_key_prefix_test(memcached_st*)
 327 {
 328   return _test_option(distribution_strings);
 329 }
 330
 331 #define SUPPORT_EXAMPLE_CNF "support/example.cnf"
 332
 333 test_return_t memcached_create_with_options_with_filename(memcached_st*)
 334 {
 335   if (access(SUPPORT_EXAMPLE_CNF, R_OK))
 336     return TEST_SKIPPED;
 337
 338   memcached_st *memc_ptr;
 339   memc_ptr= memcached(test_literal_param("--CONFIGURE-FILE=\"support/example.cnf\""));
 340   test_true_got(memc_ptr, "memcached() failed");
 341   test_strcmp(SUPPORT_EXAMPLE_CNF, memcached_array_string(memc_ptr->configure.filename));
 342   memcached_free(memc_ptr);
 343
 344   return TEST_SUCCESS;
 345 }
 346
 347 test_return_t libmemcached_check_configuration_with_filename_test(memcached_st*)
 348 {
 349   if (access(SUPPORT_EXAMPLE_CNF, R_OK))
 350     return TEST_SKIPPED;
 351
 352   memcached_return_t rc;
 353   char buffer[BUFSIZ];
 354
 355   rc= libmemcached_check_configuration(test_literal_param("--CONFIGURE-FILE=\"support/example.cnf\""), buffer, sizeof(buffer));
 356   test_true_got(rc == MEMCACHED_SUCCESS, (rc == MEMCACHED_ERRNO) ? strerror(errno) : memcached_strerror(NULL, rc));
 357
 358   rc= libmemcached_check_configuration(test_literal_param("--CONFIGURE-FILE=support/example.cnf"), buffer, sizeof(buffer));
 359   test_false_with(rc == MEMCACHED_SUCCESS, memcached_strerror(NULL, rc));
 360
 361   rc= libmemcached_check_configuration(test_literal_param("--CONFIGURE-FILE=\"bad-path/example.cnf\""), buffer, sizeof(buffer));
 362   test_true_got(rc == MEMCACHED_ERRNO, memcached_strerror(NULL, rc));
 363
 364   return TEST_SUCCESS;
 365 }
 366
 367 test_return_t libmemcached_check_configuration_test(memcached_st*)
 368 {
 369   memcached_return_t rc;
 370   char buffer[BUFSIZ];
 371
 372   rc= libmemcached_check_configuration(test_literal_param("--server=localhost"), buffer, sizeof(buffer));
 373   test_true_got(rc == MEMCACHED_SUCCESS, buffer);
 374
 375   rc= libmemcached_check_configuration(test_literal_param("--dude=localhost"), buffer, sizeof(buffer));
 376   test_false_with(rc == MEMCACHED_SUCCESS, buffer);
 377   test_true(rc == MEMCACHED_PARSE_ERROR);
 378
 379   return TEST_SUCCESS;
 380 }
 381
 382 test_return_t memcached_create_with_options_test(memcached_st*)
 383 {
 384   memcached_st *memc_ptr;
 385   memc_ptr= memcached(test_literal_param("--server=localhost"));
 386   test_true_got(memc_ptr, memcached_last_error_message(memc_ptr));
 387   memcached_free(memc_ptr);
 388
 389   memc_ptr= memcached(test_literal_param("--dude=localhost"));
 390   test_false_with(memc_ptr, memcached_last_error_message(memc_ptr));
 391
 392   return TEST_SUCCESS;
 393 }
 394
 395 test_return_t test_include_keyword(memcached_st*)
 396 {
 397   if (access(SUPPORT_EXAMPLE_CNF, R_OK))
 398     return TEST_SKIPPED;
 399
 400   char buffer[BUFSIZ];
 401   memcached_return_t rc;
 402   rc= libmemcached_check_configuration(test_literal_param("INCLUDE \"support/example.cnf\""), buffer, sizeof(buffer));
 403   test_true_got(rc == MEMCACHED_SUCCESS, buffer);
 404
 405   return TEST_SUCCESS;
 406 }
 407
 408 test_return_t test_end_keyword(memcached_st*)
 409 {
 410   char buffer[BUFSIZ];
 411   memcached_return_t rc;
 412   rc= libmemcached_check_configuration(test_literal_param("--server=localhost END bad keywords"), buffer, sizeof(buffer));
 413   test_true_got(rc == MEMCACHED_SUCCESS, buffer);
 414
 415   return TEST_SUCCESS;
 416 }
 417
 418 test_return_t test_reset_keyword(memcached_st*)
 419 {
 420   char buffer[BUFSIZ];
 421   memcached_return_t rc;
 422   rc= libmemcached_check_configuration(test_literal_param("--server=localhost reset --server=bad.com"), buffer, sizeof(buffer));
 423   test_true_got(rc == MEMCACHED_SUCCESS, buffer);
 424
 425   return TEST_SUCCESS;
 426 }
 427
 428 test_return_t test_error_keyword(memcached_st*)
 429 {
 430   char buffer[BUFSIZ];
 431   memcached_return_t rc;
 432   rc= libmemcached_check_configuration(test_literal_param("--server=localhost ERROR --server=bad.com"), buffer, sizeof(buffer));
 433   test_true_got(rc != MEMCACHED_SUCCESS, buffer);
 434
 435   return TEST_SUCCESS;
 436 }
 437
 438 #define RANDOM_STRINGS 100
 439 test_return_t random_statement_build_test(memcached_st*)
 440 {
 441   std::vector<scanner_string_st *> option_list;
 442
 443   for (scanner_variable_t *ptr= test_server_strings; ptr->type != NIL; ptr++)
 444     option_list.push_back(&ptr->option);
 445
 446   for (scanner_variable_t *ptr= test_number_options; ptr->type != NIL; ptr++)
 447     option_list.push_back(&ptr->option);
 448
 449   for (scanner_variable_t *ptr= test_boolean_options; ptr->type != NIL; ptr++)
 450     option_list.push_back(&ptr->option);
 451
 452   for (scanner_variable_t *ptr= prefix_key_strings; ptr->type != NIL; ptr++)
 453     option_list.push_back(&ptr->option);
 454
 455   for (scanner_variable_t *ptr= distribution_strings; ptr->type != NIL; ptr++)
 456     option_list.push_back(&ptr->option);
 457
 458   for (scanner_variable_t *ptr= hash_strings; ptr->type != NIL; ptr++)
 459     option_list.push_back(&ptr->option);
 460
 461   for (uint32_t x= 0; x < RANDOM_STRINGS; x++)
 462   {
 463     std::string random_options;
 464
 465     uint32_t number_of= random() % option_list.size();
 466     for (uint32_t options= 0; options < number_of; options++)
 467     {
 468       random_options+= option_list[random() % option_list.size()]->c_str;
 469       random_options+= " ";
 470     }
 471
 472     memcached_st *memc_ptr= memcached(random_options.c_str(), random_options.size() -1);
 473     if (not memc_ptr)
 474     {
 475       switch (errno)
 476       {
 477       case EINVAL:
 478 #if 0 // Testing framework is not smart enough for this just yet.
 479         {
 480           // We will try to find the specific error
 481           char buffer[2048];
 482           memcached_return_t rc= libmemcached_check_configuration(random_options.c_str(), random_options.size(), buffer, sizeof(buffer));
 483           test_true_got(rc != MEMCACHED_SUCCESS, "memcached_create_with_options() failed whiled libmemcached_check_configuration() was successful");
 484           std::cerr << "Error occured on " << random_options.c_str() << " : " << buffer << std::endl;
 485           return TEST_FAILURE;
 486         }
 487 #endif
 488         break;
 489       case ENOMEM:
 490         std::cerr << "Failed to allocate memory for memcached_create_with_options()" << std::endl;
 491         memcached_free(memc_ptr);
 492         return TEST_FAILURE;
 493       default:
 494         std::cerr << "Unknown error from memcached_create_with_options?!!" << std::endl;
 495         memcached_free(memc_ptr);
 496         return TEST_FAILURE;
 497       }
 498     }
 499     memcached_free(memc_ptr);
 500   }
 501
 502   return TEST_SUCCESS;
 503 }
 504
 505 static memcached_return_t dump_server_information(const memcached_st *,
 506                                                   const memcached_server_st *instance,
 507                                                   void *)
 508 {
 509   if (strcmp(memcached_server_name(instance), "localhost"))
 510   {
 511     assert(not memcached_server_name(instance));
 512     return MEMCACHED_FAILURE;
 513   }
 514
 515   if (memcached_server_port(instance) < 8888 or memcached_server_port(instance) > 8892)
 516   {
 517     assert(not memcached_server_port(instance));
 518     return MEMCACHED_FAILURE;
 519   }
 520
 521   if (instance->weight > 5 or instance->weight < 2)
 522   {
 523     assert(not instance->weight);
 524     return MEMCACHED_FAILURE;
 525   }
 526
 527   return MEMCACHED_SUCCESS;
 528 }
 529
 530
 531 test_return_t test_hostname_port_weight(memcached_st *)
 532 {
 533   const char *server_string= "--server=localhost:8888/?2 --server=localhost:8889/?3 --server=localhost:8890/?4 --server=localhost:8891/?5 --server=localhost:8892/?3";
 534   char buffer[BUFSIZ];
 535
 536   memcached_return_t rc;
 537   test_compare_got(MEMCACHED_SUCCESS,
 538                    rc= libmemcached_check_configuration(server_string, strlen(server_string), buffer, sizeof(buffer)),
 539                    memcached_strerror(NULL, rc));
 540
 541   memcached_st *memc= memcached(server_string, strlen(server_string));
 542   test_true(memc);
 543
 544   memcached_server_fn callbacks[]= { dump_server_information };
 545   test_true(memcached_success(memcached_server_cursor(memc, callbacks, NULL, 1)));
 546
 547   memcached_free(memc);
 548
 549   return TEST_SUCCESS;
 550 }
 551
 552 /*
 553   By setting the timeout value to zero, we force poll() to return immediatly.
 554 */
 555 test_return_t regression_bug_71231153_connect(memcached_st *)
 556 {
 557   if (libmemcached_util_ping("10.0.2.252", 0, NULL)) // If for whatever reason someone has a host at this address, skip
 558     return TEST_SKIPPED;
 559
 560   { // Test the connect-timeout, on a bad host we should get MEMCACHED_CONNECTION_FAILURE
 561     memcached_st *memc= memcached(memcached_literal_param("--SERVER=10.0.2.252 --CONNECT-TIMEOUT=0"));
 562     test_true(memc);
 563     test_compare(0, memc->connect_timeout);
 564     test_compare(MEMCACHED_DEFAULT_TIMEOUT, memc->poll_timeout);
 565
 566     memcached_return_t rc;
 567     size_t value_len;
 568     char *value= memcached_get(memc, memcached_literal_param("test"), &value_len, NULL, &rc);
 569     test_false(value);
 570     test_compare(0, value_len);
 571     test_compare_got(MEMCACHED_TIMEOUT, rc, memcached_strerror(NULL, rc));
 572
 573     memcached_free(memc);
 574   }
 575
 576   return TEST_SUCCESS;
 577 }
 578
 579 test_return_t regression_bug_71231153_poll(memcached_st *)
 580 {
 581   if (libmemcached_util_ping("10.0.2.252", 0, NULL)) // If for whatever reason someone has a host at this address, skip
 582     return TEST_SKIPPED;
 583
 584   { // Test the poll timeout, on a bad host we should get MEMCACHED_CONNECTION_FAILURE
 585     memcached_st *memc= memcached(memcached_literal_param("--SERVER=10.0.2.252 --POLL-TIMEOUT=0"));
 586     test_true(memc);
 587     test_compare(MEMCACHED_DEFAULT_CONNECT_TIMEOUT, memc->connect_timeout);
 588     test_compare(0, memc->poll_timeout);
 589
 590     memcached_return_t rc;
 591     size_t value_len;
 592     char *value= memcached_get(memc, memcached_literal_param("test"), &value_len, NULL, &rc);
 593     test_false(value);
 594     test_compare(0, value_len);
 595     test_compare_got(MEMCACHED_TIMEOUT, rc, memcached_strerror(NULL, rc));
 596
 597     memcached_free(memc);
 598   }
 599
 600   return TEST_SUCCESS;
 601 }