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/* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Libmemcached Client and Server
*
* Copyright (C) 2011 Data Differential, http://datadifferential.com/
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
*
* * The names of its contributors may not be used to endorse or
* promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include <config.h>
#include <libtest/test.hpp>
using namespace libtest;
#include <tests/virtual_buckets.h>
#include <libmemcached/memcached.h>
#include <cstring>
struct libtest_string_t {
const char *c_str;
size_t size;
};
static inline libtest_string_t libtest_string(const char *arg, size_t arg_size)
{
libtest_string_t local= { arg, arg_size };
return local;
}
#define make_libtest_string(X) libtest_string((X), static_cast<size_t>(sizeof(X) - 1))
static libtest_string_t libtest_string_t_null= { 0, 0};
static bool libtest_string_is_null(const libtest_string_t &string)
{
if (string.c_str == 0 and string.size == 0)
return true;
return false;
}
struct expect_t {
libtest_string_t key;
uint32_t server_id;
uint32_t bucket_id;
};
expect_t basic_keys[]= {
{ make_libtest_string("hello"), 0, 0 },
{ make_libtest_string("doctor"), 0, 0 },
{ make_libtest_string("name"), 1, 3 },
{ make_libtest_string("continue"), 1, 3 },
{ make_libtest_string("yesterday"), 0, 0 },
{ make_libtest_string("tomorrow"), 1, 1 },
{ make_libtest_string("another key"), 2, 2 },
{ libtest_string_t_null, 0, 0 }
};
test_return_t virtual_back_map(memcached_st *)
{
memcached_return_t rc;
memcached_server_st *server_pool;
memcached_st *memc;
memc= memcached_create(NULL);
test_true(memc);
uint32_t server_map[] = { 0, 1, 2, 1 };
rc= memcached_bucket_set(memc, server_map, NULL, 4, 2);
test_true(rc == MEMCACHED_SUCCESS);
memcached_server_distribution_t dt;
dt= memcached_behavior_get_distribution(memc);
test_true(dt == MEMCACHED_DISTRIBUTION_VIRTUAL_BUCKET);
memcached_behavior_set_key_hash(memc, MEMCACHED_HASH_CRC);
test_true(rc == MEMCACHED_SUCCESS);
memcached_hash_t hash_type= memcached_behavior_get_key_hash(memc);
test_true(hash_type == MEMCACHED_HASH_CRC);
server_pool = memcached_servers_parse("localhost:11211, localhost1:11210, localhost2:11211");
test_true(server_pool);
memcached_server_push(memc, server_pool);
/* verify that the server list was parsed okay. */
test_true(memcached_server_count(memc) == 3);
test_true(strcmp(server_pool[0].hostname, "localhost") == 0);
test_true(server_pool[0].port == 11211);
test_true(strcmp(server_pool[1].hostname, "localhost1") == 0);
test_true(server_pool[1].port == 11210);
test_true(strcmp(server_pool[2].hostname, "localhost2") == 0);
test_true(server_pool[2].port == 11211);
dt= memcached_behavior_get_distribution(memc);
hash_type= memcached_behavior_get_key_hash(memc);
test_true(dt == MEMCACHED_DISTRIBUTION_VIRTUAL_BUCKET);
test_true(hash_type == MEMCACHED_HASH_CRC);
/* verify the standard ketama set. */
for (expect_t *ptr= basic_keys; not libtest_string_is_null(ptr->key); ptr++)
{
uint32_t server_idx = memcached_generate_hash(memc, ptr->key.c_str, ptr->key.size);
char buffer[1024];
snprintf(buffer, sizeof(buffer), "%.*s:%lu Got/Expected %u == %u", (int)ptr->key.size, ptr->key.c_str, (unsigned long)ptr->key.size, server_idx, ptr->server_id);
test_true_got(server_idx == ptr->server_id, buffer);
}
memcached_server_list_free(server_pool);
memcached_free(memc);
return TEST_SUCCESS;
}
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