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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 #include <libtest/test.hpp>
  40
  41 using namespace libtest;
  42
  43 #include <vector>
  44 #include <iostream>
  45 #include <string>
  46 #include <cerrno>
  47 #include <cassert>
  48
  49 #define BUILDING_LIBMEMCACHED
  50 // !NEVER use common.h, always use memcached.h in your own apps
  51 #include <libmemcached/common.h>
  52 #include <libmemcached/util.h>
  53
  54 #include <tests/parser.h>
  55 #include <tests/print.h>
  56
  57 enum scanner_type_t
  58 {
  59   NIL,
  60   UNSIGNED,
  61   SIGNED,
  62   ARRAY
  63 };
  64
  65
  66 struct scanner_string_st {
  67   const char *c_str;
  68   size_t size;
  69 };
  70
  71 static inline scanner_string_st scanner_string(const char *arg, size_t arg_size)
  72 {
  73   scanner_string_st local= { arg, arg_size };
  74   return local;
  75 }
  76
  77 #define make_scanner_string(X) scanner_string((X), static_cast<size_t>(sizeof(X) - 1))
  78
  79 static struct scanner_string_st scanner_string_null= { 0, 0};
  80
  81 struct scanner_variable_t {
  82   enum scanner_type_t type;
  83   struct scanner_string_st option;
  84   struct scanner_string_st result;
  85   test_return_t (*check_func)(memcached_st *memc, const scanner_string_st &hostname);
  86 };
  87
  88 // Check and make sure the first host is what we expect it to be
  89 static test_return_t __check_host(memcached_st *memc, const scanner_string_st &hostname)
  90 {
  91   memcached_server_instance_st instance=
  92     memcached_server_instance_by_position(memc, 0);
  93
  94   test_true(instance);
  95
  96   const char *first_hostname = memcached_server_name(instance);
  97   test_true(first_hostname);
  98   test_strcmp(first_hostname, hostname.c_str);
  99
 100   return TEST_SUCCESS;
 101 }
 102
 103 // Check and make sure the prefix_key is what we expect it to be
 104 static test_return_t __check_namespace(memcached_st *memc, const scanner_string_st &arg)
 105 {
 106   const char *_namespace = memcached_get_namespace(memc);
 107   test_true(_namespace);
 108   test_strcmp(_namespace, arg.c_str);
 109
 110   return TEST_SUCCESS;
 111 }
 112
 113 static test_return_t __check_IO_MSG_WATERMARK(memcached_st *memc, const scanner_string_st &value)
 114 {
 115   uint64_t value_number;
 116
 117   value_number= atoll(value.c_str);
 118
 119   test_true(memcached_behavior_get(memc, MEMCACHED_BEHAVIOR_IO_MSG_WATERMARK) == value_number);
 120   return TEST_SUCCESS;
 121 }
 122
 123 static test_return_t __check_REMOVE_FAILED_SERVERS(memcached_st *memc, const scanner_string_st &)
 124 {
 125   test_true(memcached_behavior_get(memc, MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS));
 126   return TEST_SUCCESS;
 127 }
 128
 129 static test_return_t __check_NOREPLY(memcached_st *memc, const scanner_string_st &)
 130 {
 131   test_true(memcached_behavior_get(memc, MEMCACHED_BEHAVIOR_NOREPLY));
 132   return TEST_SUCCESS;
 133 }
 134
 135 static test_return_t __check_VERIFY_KEY(memcached_st *memc, const scanner_string_st &)
 136 {
 137   test_true(memcached_behavior_get(memc, MEMCACHED_BEHAVIOR_VERIFY_KEY));
 138   return TEST_SUCCESS;
 139 }
 140
 141 static test_return_t __check_distribution_RANDOM(memcached_st *memc, const scanner_string_st &)
 142 {
 143   test_true(memcached_behavior_get(memc, MEMCACHED_BEHAVIOR_DISTRIBUTION) == MEMCACHED_DISTRIBUTION_RANDOM);
 144   return TEST_SUCCESS;
 145 }
 146
 147 scanner_variable_t test_server_strings[]= {
 148   { ARRAY, make_scanner_string("--server=localhost"), make_scanner_string("localhost"), __check_host },
 149   { ARRAY, make_scanner_string("--server=10.0.2.1"), make_scanner_string("10.0.2.1"), __check_host },
 150   { ARRAY, make_scanner_string("--server=example.com"), make_scanner_string("example.com"), __check_host },
 151   { ARRAY, make_scanner_string("--server=localhost:30"), make_scanner_string("localhost"), __check_host },
 152   { ARRAY, make_scanner_string("--server=10.0.2.1:20"), make_scanner_string("10.0.2.1"), __check_host },
 153   { ARRAY, make_scanner_string("--server=example.com:1024"), make_scanner_string("example.com"), __check_host },
 154   { NIL, scanner_string_null, scanner_string_null, NULL }
 155 };
 156
 157 scanner_variable_t test_server_strings_with_weights[]= {
 158   { ARRAY, make_scanner_string("--server=10.0.2.1:30/?40"), make_scanner_string("10.0.2.1"), __check_host },
 159   { ARRAY, make_scanner_string("--server=example.com:1024/?30"), make_scanner_string("example.com"), __check_host },
 160   { ARRAY, make_scanner_string("--server=10.0.2.1/?20"), make_scanner_string("10.0.2.1"), __check_host },
 161   { ARRAY, make_scanner_string("--server=example.com/?10"), make_scanner_string("example.com"), __check_host },
 162   { NIL, scanner_string_null, scanner_string_null, NULL }
 163 };
 164
 165 scanner_variable_t bad_test_strings[]= {
 166   { ARRAY, make_scanner_string("-servers=localhost:11221,localhost:11222,localhost:11223,localhost:11224,localhost:11225"), scanner_string_null, NULL },
 167   { ARRAY, make_scanner_string("-- servers=a.example.com:81,localhost:82,b.example.com"), scanner_string_null, NULL },
 168   { ARRAY, make_scanner_string("--servers=localhost:+80"), scanner_string_null, NULL},
 169   { ARRAY, make_scanner_string("--servers=localhost.com."), scanner_string_null, NULL},
 170   { ARRAY, make_scanner_string("--server=localhost.com."), scanner_string_null, NULL},
 171   { ARRAY, make_scanner_string("--server=localhost.com.:80"), scanner_string_null, NULL},
 172   { NIL, scanner_string_null, scanner_string_null, NULL}
 173 };
 174
 175 scanner_variable_t test_number_options[]= {
 176   { ARRAY,  make_scanner_string("--CONNECT-TIMEOUT=456"), scanner_string_null, NULL },
 177   { ARRAY,  make_scanner_string("--IO-BYTES-WATERMARK=456"), scanner_string_null, NULL },
 178   { ARRAY,  make_scanner_string("--IO-KEY-PREFETCH=456"), scanner_string_null, NULL },
 179   { ARRAY,  make_scanner_string("--IO-MSG-WATERMARK=456"), make_scanner_string("456"), __check_IO_MSG_WATERMARK },
 180   { ARRAY,  make_scanner_string("--NUMBER-OF-REPLICAS=456"), scanner_string_null, NULL },
 181   { ARRAY,  make_scanner_string("--POLL-TIMEOUT=456"), scanner_string_null, NULL },
 182   { ARRAY,  make_scanner_string("--RCV-TIMEOUT=456"), scanner_string_null, NULL },
 183   { ARRAY,  make_scanner_string("--REMOVE-FAILED-SERVERS=3"), scanner_string_null, __check_REMOVE_FAILED_SERVERS },
 184   { ARRAY,  make_scanner_string("--RETRY-TIMEOUT=456"), scanner_string_null, NULL },
 185   { ARRAY,  make_scanner_string("--SND-TIMEOUT=456"), scanner_string_null, NULL },
 186   { ARRAY,  make_scanner_string("--SOCKET-RECV-SIZE=456"), scanner_string_null, NULL },
 187   { ARRAY,  make_scanner_string("--SOCKET-SEND-SIZE=456"), scanner_string_null, NULL },
 188   { NIL, scanner_string_null, scanner_string_null, NULL}
 189 };
 190
 191 scanner_variable_t test_boolean_options[]= {
 192   { ARRAY,  make_scanner_string("--BINARY-PROTOCOL"), scanner_string_null, NULL },
 193   { ARRAY,  make_scanner_string("--BUFFER-REQUESTS"), scanner_string_null, NULL },
 194   { ARRAY,  make_scanner_string("--HASH-WITH-NAMESPACE"), scanner_string_null, NULL },
 195   { ARRAY,  make_scanner_string("--NOREPLY"), scanner_string_null, __check_NOREPLY },
 196   { ARRAY,  make_scanner_string("--RANDOMIZE-REPLICA-READ"), scanner_string_null, NULL },
 197   { ARRAY,  make_scanner_string("--SORT-HOSTS"), scanner_string_null, NULL },
 198   { ARRAY,  make_scanner_string("--SUPPORT-CAS"), scanner_string_null, NULL },
 199   { ARRAY,  make_scanner_string("--TCP-NODELAY"), scanner_string_null, NULL },
 200   { ARRAY,  make_scanner_string("--TCP-KEEPALIVE"), scanner_string_null, NULL },
 201   { ARRAY,  make_scanner_string("--TCP-KEEPIDLE"), scanner_string_null, NULL },
 202   { ARRAY,  make_scanner_string("--USE-UDP"), scanner_string_null, NULL },
 203   { ARRAY,  make_scanner_string("--VERIFY-KEY"), scanner_string_null, __check_VERIFY_KEY },
 204   { NIL, scanner_string_null, scanner_string_null, NULL}
 205 };
 206
 207 scanner_variable_t namespace_strings[]= {
 208   { ARRAY, make_scanner_string("--NAMESPACE=foo"), make_scanner_string("foo"), __check_namespace },
 209   { ARRAY, make_scanner_string("--NAMESPACE=\"foo\""), make_scanner_string("foo"), __check_namespace },
 210   { ARRAY, make_scanner_string("--NAMESPACE=\"This_is_a_very_long_key\""), make_scanner_string("This_is_a_very_long_key"), __check_namespace },
 211   { NIL, scanner_string_null, scanner_string_null, NULL}
 212 };
 213
 214 scanner_variable_t distribution_strings[]= {
 215   { ARRAY,  make_scanner_string("--DISTRIBUTION=consistent"), scanner_string_null, NULL },
 216   { ARRAY,  make_scanner_string("--DISTRIBUTION=consistent,CRC"), scanner_string_null, NULL },
 217   { ARRAY,  make_scanner_string("--DISTRIBUTION=consistent,MD5"), scanner_string_null, NULL },
 218   { ARRAY,  make_scanner_string("--DISTRIBUTION=random"), scanner_string_null, __check_distribution_RANDOM },
 219   { ARRAY,  make_scanner_string("--DISTRIBUTION=modula"), scanner_string_null, NULL },
 220   { NIL, scanner_string_null, scanner_string_null, NULL}
 221 };
 222
 223 scanner_variable_t hash_strings[]= {
 224   { ARRAY,  make_scanner_string("--HASH=CRC"), scanner_string_null, NULL },
 225   { ARRAY,  make_scanner_string("--HASH=FNV1A_32"), scanner_string_null, NULL },
 226   { ARRAY,  make_scanner_string("--HASH=FNV1A_64"), scanner_string_null, NULL },
 227   { ARRAY,  make_scanner_string("--HASH=FNV1_32"), scanner_string_null, NULL },
 228   { ARRAY,  make_scanner_string("--HASH=FNV1_64"), scanner_string_null, NULL },
 229   { ARRAY,  make_scanner_string("--HASH=JENKINS"), scanner_string_null, NULL },
 230   { ARRAY,  make_scanner_string("--HASH=MD5"), scanner_string_null, NULL },
 231   { ARRAY,  make_scanner_string("--HASH=MURMUR"), scanner_string_null, NULL },
 232   { NIL, scanner_string_null, scanner_string_null, NULL}
 233 };
 234
 235
 236 static test_return_t _test_option(scanner_variable_t *scanner, bool test_true_opt= true)
 237 {
 238   for (scanner_variable_t *ptr= scanner; ptr->type != NIL; ptr++)
 239   {
 240     memcached_st *memc= memcached(ptr->option.c_str, ptr->option.size);
 241
 242     // The case that it should have parsed, but it didn't. We will inspect
 243     // for an error with libmemcached_check_configuration()
 244     if (not memc and test_true_opt)
 245     {
 246       char buffer[2048];
 247       bool success= libmemcached_check_configuration(ptr->option.c_str, ptr->option.size, buffer, sizeof(buffer));
 248
 249       std::string temp(buffer);
 250       temp+= " with option string:";
 251       temp+= ptr->option.c_str;
 252       test_true_got(success, temp.c_str());
 253
 254       return TEST_FAILURE; // The line above should fail since memc should be null
 255     }
 256
 257     if (test_true_opt)
 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 test_return_t test_namespace_keyword(memcached_st*)
 332 {
 333   return _test_option(namespace_strings);
 334 }
 335
 336 #define SUPPORT_EXAMPLE_CNF "support/example.cnf"
 337
 338 test_return_t memcached_create_with_options_with_filename(memcached_st*)
 339 {
 340   if (access(SUPPORT_EXAMPLE_CNF, R_OK))
 341     return TEST_SKIPPED;
 342
 343   memcached_st *memc_ptr;
 344   memc_ptr= memcached(test_literal_param("--CONFIGURE-FILE=\"support/example.cnf\""));
 345   test_true_got(memc_ptr, "memcached() failed");
 346   memcached_free(memc_ptr);
 347
 348   return TEST_SUCCESS;
 349 }
 350
 351 test_return_t libmemcached_check_configuration_with_filename_test(memcached_st*)
 352 {
 353   if (access(SUPPORT_EXAMPLE_CNF, R_OK))
 354     return TEST_SKIPPED;
 355
 356   memcached_return_t rc;
 357   char buffer[BUFSIZ];
 358
 359   rc= libmemcached_check_configuration(test_literal_param("--CONFIGURE-FILE=\"support/example.cnf\""), buffer, sizeof(buffer));
 360   test_true_got(rc == MEMCACHED_SUCCESS, (rc == MEMCACHED_ERRNO) ? strerror(errno) : memcached_strerror(NULL, rc));
 361
 362   rc= libmemcached_check_configuration(test_literal_param("--CONFIGURE-FILE=support/example.cnf"), buffer, sizeof(buffer));
 363   test_false_with(rc == MEMCACHED_SUCCESS, memcached_strerror(NULL, rc));
 364
 365   rc= libmemcached_check_configuration(test_literal_param("--CONFIGURE-FILE=\"bad-path/example.cnf\""), buffer, sizeof(buffer));
 366   test_true_got(rc == MEMCACHED_ERRNO, memcached_strerror(NULL, rc));
 367
 368   return TEST_SUCCESS;
 369 }
 370
 371 test_return_t libmemcached_check_configuration_test(memcached_st*)
 372 {
 373   memcached_return_t rc;
 374   char buffer[BUFSIZ];
 375
 376   test_compare(MEMCACHED_SUCCESS,
 377                libmemcached_check_configuration(test_literal_param("--server=localhost"), buffer, sizeof(buffer)));
 378
 379   rc= libmemcached_check_configuration(test_literal_param("--dude=localhost"), buffer, sizeof(buffer));
 380   test_false_with(rc == MEMCACHED_SUCCESS, buffer);
 381   test_true(rc == MEMCACHED_PARSE_ERROR);
 382
 383   return TEST_SUCCESS;
 384 }
 385
 386 test_return_t memcached_create_with_options_test(memcached_st*)
 387 {
 388   memcached_st *memc_ptr;
 389   memc_ptr= memcached(test_literal_param("--server=localhost"));
 390   test_true_got(memc_ptr, memcached_last_error_message(memc_ptr));
 391   memcached_free(memc_ptr);
 392
 393   memc_ptr= memcached(test_literal_param("--dude=localhost"));
 394   test_false_with(memc_ptr, memcached_last_error_message(memc_ptr));
 395
 396   return TEST_SUCCESS;
 397 }
 398
 399 test_return_t test_include_keyword(memcached_st*)
 400 {
 401   if (access(SUPPORT_EXAMPLE_CNF, R_OK))
 402     return TEST_SKIPPED;
 403
 404   char buffer[BUFSIZ];
 405   test_compare(MEMCACHED_SUCCESS,
 406                libmemcached_check_configuration(test_literal_param("INCLUDE \"support/example.cnf\""), buffer, sizeof(buffer)));
 407
 408   return TEST_SUCCESS;
 409 }
 410
 411 test_return_t test_end_keyword(memcached_st*)
 412 {
 413   char buffer[BUFSIZ];
 414   test_compare(MEMCACHED_SUCCESS,
 415                libmemcached_check_configuration(test_literal_param("--server=localhost END bad keywords"), buffer, sizeof(buffer)));
 416
 417   return TEST_SUCCESS;
 418 }
 419
 420 test_return_t test_reset_keyword(memcached_st*)
 421 {
 422   char buffer[BUFSIZ];
 423   test_compare(MEMCACHED_SUCCESS,
 424                libmemcached_check_configuration(test_literal_param("--server=localhost reset --server=bad.com"), buffer, sizeof(buffer)));
 425
 426   return TEST_SUCCESS;
 427 }
 428
 429 test_return_t test_error_keyword(memcached_st*)
 430 {
 431   char buffer[BUFSIZ];
 432   memcached_return_t rc;
 433   rc= libmemcached_check_configuration(test_literal_param("--server=localhost ERROR --server=bad.com"), buffer, sizeof(buffer));
 434   test_true_got(rc != MEMCACHED_SUCCESS, buffer);
 435
 436   return TEST_SUCCESS;
 437 }
 438
 439 #define RANDOM_STRINGS 100
 440 test_return_t random_statement_build_test(memcached_st*)
 441 {
 442   std::vector<scanner_string_st *> option_list;
 443
 444   for (scanner_variable_t *ptr= test_server_strings; ptr->type != NIL; ptr++)
 445     option_list.push_back(&ptr->option);
 446
 447   for (scanner_variable_t *ptr= test_number_options; ptr->type != NIL; ptr++)
 448     option_list.push_back(&ptr->option);
 449
 450   for (scanner_variable_t *ptr= test_boolean_options; ptr->type != NIL; ptr++)
 451     option_list.push_back(&ptr->option);
 452
 453   for (scanner_variable_t *ptr= namespace_strings; ptr->type != NIL; ptr++)
 454     option_list.push_back(&ptr->option);
 455
 456   for (scanner_variable_t *ptr= distribution_strings; ptr->type != NIL; ptr++)
 457     option_list.push_back(&ptr->option);
 458
 459   for (scanner_variable_t *ptr= hash_strings; ptr->type != NIL; ptr++)
 460     option_list.push_back(&ptr->option);
 461
 462   for (uint32_t x= 0; x < RANDOM_STRINGS; x++)
 463   {
 464     std::string random_options;
 465
 466     uint32_t number_of= random() % option_list.size();
 467     for (uint32_t options= 0; options < number_of; options++)
 468     {
 469       random_options+= option_list[random() % option_list.size()]->c_str;
 470       random_options+= " ";
 471     }
 472
 473     memcached_st *memc_ptr= memcached(random_options.c_str(), random_options.size() -1);
 474     if (not memc_ptr)
 475     {
 476       switch (errno)
 477       {
 478       case EINVAL:
 479 #if 0 // Testing framework is not smart enough for this just yet.
 480         {
 481           // We will try to find the specific error
 482           char buffer[2048];
 483           memcached_return_t rc= libmemcached_check_configuration(random_options.c_str(), random_options.size(), buffer, sizeof(buffer));
 484           test_true_got(rc != MEMCACHED_SUCCESS, "memcached_create_with_options() failed whiled libmemcached_check_configuration() was successful");
 485           std::cerr << "Error occured on " << random_options.c_str() << " : " << buffer << std::endl;
 486           return TEST_FAILURE;
 487         }
 488 #endif
 489         break;
 490       case ENOMEM:
 491         std::cerr << "Failed to allocate memory for memcached_create_with_options()" << std::endl;
 492         memcached_free(memc_ptr);
 493         return TEST_FAILURE;
 494       default:
 495         std::cerr << "Unknown error from memcached_create_with_options?!!" << std::endl;
 496         memcached_free(memc_ptr);
 497         return TEST_FAILURE;
 498       }
 499     }
 500     memcached_free(memc_ptr);
 501   }
 502
 503   return TEST_SUCCESS;
 504 }
 505
 506 static memcached_return_t dump_server_information(const memcached_st *,
 507                                                   const memcached_server_st *instance,
 508                                                   void *)
 509 {
 510   if (strcmp(memcached_server_name(instance), "localhost"))
 511   {
 512     assert(not memcached_server_name(instance));
 513     return MEMCACHED_FAILURE;
 514   }
 515
 516   if (memcached_server_port(instance) < 8888 or memcached_server_port(instance) > 8892)
 517   {
 518     assert(not memcached_server_port(instance));
 519     return MEMCACHED_FAILURE;
 520   }
 521
 522   if (instance->weight > 5 or instance->weight < 2)
 523   {
 524     assert(not instance->weight);
 525     return MEMCACHED_FAILURE;
 526   }
 527
 528   return MEMCACHED_SUCCESS;
 529 }
 530
 531
 532 test_return_t test_hostname_port_weight(memcached_st *)
 533 {
 534   const char *server_string= "--server=localhost:8888/?2 --server=localhost:8889/?3 --server=localhost:8890/?4 --server=localhost:8891/?5 --server=localhost:8892/?3";
 535   char buffer[BUFSIZ];
 536
 537   test_compare_got(MEMCACHED_SUCCESS,
 538                    libmemcached_check_configuration(server_string, strlen(server_string), buffer, sizeof(buffer)), buffer);
 539
 540   memcached_st *memc= memcached(server_string, strlen(server_string));
 541   test_true(memc);
 542
 543   memcached_server_fn callbacks[]= { dump_server_information };
 544   test_true(memcached_success(memcached_server_cursor(memc, callbacks, NULL, 1)));
 545
 546   memcached_free(memc);
 547
 548   return TEST_SUCCESS;
 549 }
 550
 551 struct socket_weight_t {
 552   const char *socket;
 553   size_t weight;
 554 };
 555
 556 static memcached_return_t dump_socket_information(const memcached_st *,
 557                                                   const memcached_server_st *instance,
 558                                                   void *context)
 559 {
 560   socket_weight_t *check= (socket_weight_t *)context;
 561
 562   if (strcmp(memcached_server_name(instance), check->socket))
 563   {
 564     std::cerr << std::endl << __FILE__ << ":" << __LINE__ << " " << memcached_server_name(instance) << " != " << check->socket << std::endl;
 565     return MEMCACHED_FAILURE;
 566   }
 567
 568   if (instance->weight == check->weight)
 569   {
 570     return MEMCACHED_SUCCESS;
 571   }
 572
 573   return MEMCACHED_FAILURE;
 574 }
 575
 576 test_return_t test_parse_socket(memcached_st *)
 577 {
 578   char buffer[BUFSIZ];
 579
 580   memcached_server_fn callbacks[]= { dump_socket_information };
 581   {
 582     test_compare_got(MEMCACHED_SUCCESS,
 583                      libmemcached_check_configuration(test_literal_param("--socket=\"/tmp/foo\""), buffer, sizeof(buffer)),
 584                      buffer);
 585
 586     memcached_st *memc= memcached(test_literal_param("--socket=\"/tmp/foo\""));
 587     test_true(memc);
 588     socket_weight_t check= { "/tmp/foo", 1 };
 589     test_compare(MEMCACHED_SUCCESS,
 590                  memcached_server_cursor(memc, callbacks, &check, 1));
 591     memcached_free(memc);
 592   }
 593
 594   {
 595     test_compare_got(MEMCACHED_SUCCESS,
 596                      libmemcached_check_configuration(test_literal_param("--socket=\"/tmp/foo\"/?23"), buffer, sizeof(buffer)),
 597                      buffer);
 598
 599     memcached_st *memc= memcached(test_literal_param("--socket=\"/tmp/foo\"/?23"));
 600     test_true(memc);
 601     socket_weight_t check= { "/tmp/foo", 23 };
 602     test_compare(MEMCACHED_SUCCESS,
 603                  memcached_server_cursor(memc, callbacks, &check, 1));
 604     memcached_free(memc);
 605   }
 606
 607   return TEST_SUCCESS;
 608 }
 609
 610 /*
 611   By setting the timeout value to zero, we force poll() to return immediatly.
 612 */
 613 test_return_t regression_bug_71231153_connect(memcached_st *)
 614 {
 615   if (libmemcached_util_ping("10.0.2.252", 0, NULL)) // If for whatever reason someone has a host at this address, skip
 616     return TEST_SKIPPED;
 617
 618   { // Test the connect-timeout, on a bad host we should get MEMCACHED_CONNECTION_FAILURE
 619     memcached_st *memc= memcached(test_literal_param("--SERVER=10.0.2.252 --CONNECT-TIMEOUT=0"));
 620     test_true(memc);
 621     test_zero(memc->connect_timeout);
 622     test_compare(MEMCACHED_DEFAULT_TIMEOUT, memc->poll_timeout);
 623
 624     memcached_return_t rc;
 625     size_t value_len;
 626     char *value= memcached_get(memc, test_literal_param("test"), &value_len, NULL, &rc);
 627     test_false(value);
 628     test_zero(value_len);
 629     test_compare_got(MEMCACHED_TIMEOUT, rc, memcached_last_error_message(memc));
 630
 631     memcached_free(memc);
 632   }
 633
 634   return TEST_SUCCESS;
 635 }
 636
 637 test_return_t regression_bug_71231153_poll(memcached_st *)
 638 {
 639   if (libmemcached_util_ping("10.0.2.252", 0, NULL)) // If for whatever reason someone has a host at this address, skip
 640     return TEST_SKIPPED;
 641
 642   { // Test the poll timeout, on a bad host we should get MEMCACHED_CONNECTION_FAILURE
 643     memcached_st *memc= memcached(test_literal_param("--SERVER=10.0.2.252 --POLL-TIMEOUT=0"));
 644     test_true(memc);
 645     test_compare(MEMCACHED_DEFAULT_CONNECT_TIMEOUT, memc->connect_timeout);
 646     test_zero(memc->poll_timeout);
 647
 648     memcached_return_t rc;
 649     size_t value_len;
 650     char *value= memcached_get(memc, test_literal_param("test"), &value_len, NULL, &rc);
 651     test_false(value);
 652     test_zero(value_len);
 653     test_compare_got(MEMCACHED_TIMEOUT, rc, memcached_last_error_message(memc));
 654
 655     memcached_free(memc);
 656   }
 657
 658   return TEST_SUCCESS;
 659 }