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/* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Libmemcached library
*
* Copyright (C) 2011 Data Differential, http://datadifferential.com/
*
* 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>
#include <libmemcached/memcached.h>
#include <libmemcached/server_instance.h>
#include <libmemcached/continuum.hpp>
#include <tests/ketama.h>
#include <tests/ketama_test_cases.h>
test_return_t ketama_compatibility_libmemcached(memcached_st *)
{
memcached_st *memc= memcached_create(NULL);
test_true(memc);
test_compare(MEMCACHED_SUCCESS,
memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED, 1));
test_compare(uint64_t(1), memcached_behavior_get(memc, MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED));
test_compare(MEMCACHED_SUCCESS, memcached_behavior_set_distribution(memc, MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA));
test_compare(MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA, memcached_behavior_get_distribution(memc));
memcached_server_st *server_pool= memcached_servers_parse("10.0.1.1:11211 600,10.0.1.2:11211 300,10.0.1.3:11211 200,10.0.1.4:11211 350,10.0.1.5:11211 1000,10.0.1.6:11211 800,10.0.1.7:11211 950,10.0.1.8:11211 100");
memcached_server_push(memc, server_pool);
/* verify that the server list was parsed okay. */
test_compare(8U, memcached_server_count(memc));
test_strcmp(server_pool[0].hostname, "10.0.1.1");
test_compare(in_port_t(11211), server_pool[0].port);
test_compare(600U, server_pool[0].weight);
test_strcmp(server_pool[2].hostname, "10.0.1.3");
test_compare(in_port_t(11211), server_pool[2].port);
test_compare(200U, server_pool[2].weight);
test_strcmp(server_pool[7].hostname, "10.0.1.8");
test_compare(in_port_t(11211), server_pool[7].port);
test_compare(100U, server_pool[7].weight);
/* VDEAAAAA hashes to fffcd1b5, after the last continuum point, and lets
* us test the boundary wraparound.
*/
test_true(memcached_generate_hash(memc, (char *)"VDEAAAAA", 8) == memc->ketama.continuum[0].index);
/* verify the standard ketama set. */
for (uint32_t x= 0; x < 99; x++)
{
uint32_t server_idx = memcached_generate_hash(memc, ketama_test_cases[x].key, strlen(ketama_test_cases[x].key));
memcached_server_instance_st instance=
memcached_server_instance_by_position(memc, server_idx);
const char *hostname = memcached_server_name(instance);
test_strcmp(hostname, ketama_test_cases[x].server);
}
memcached_server_list_free(server_pool);
memcached_free(memc);
return TEST_SUCCESS;
}
test_return_t user_supplied_bug18(memcached_st *trash)
{
memcached_return_t rc;
uint64_t value;
int x;
memcached_st *memc;
(void)trash;
memc= memcached_create(NULL);
test_true(memc);
rc= memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED, 1);
test_compare(MEMCACHED_SUCCESS, rc);
value= memcached_behavior_get(memc, MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED);
test_true(value == 1);
rc= memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_KETAMA_HASH, MEMCACHED_HASH_MD5);
test_compare(MEMCACHED_SUCCESS, rc);
value= memcached_behavior_get(memc, MEMCACHED_BEHAVIOR_KETAMA_HASH);
test_true(value == MEMCACHED_HASH_MD5);
memcached_server_st *server_pool= memcached_servers_parse("10.0.1.1:11211 600,10.0.1.2:11211 300,10.0.1.3:11211 200,10.0.1.4:11211 350,10.0.1.5:11211 1000,10.0.1.6:11211 800,10.0.1.7:11211 950,10.0.1.8:11211 100");
memcached_server_push(memc, server_pool);
/* verify that the server list was parsed okay. */
test_true(memcached_server_count(memc) == 8);
test_strcmp(server_pool[0].hostname, "10.0.1.1");
test_true(server_pool[0].port == 11211);
test_true(server_pool[0].weight == 600);
test_strcmp(server_pool[2].hostname, "10.0.1.3");
test_true(server_pool[2].port == 11211);
test_true(server_pool[2].weight == 200);
test_strcmp(server_pool[7].hostname, "10.0.1.8");
test_true(server_pool[7].port == 11211);
test_true(server_pool[7].weight == 100);
/* VDEAAAAA hashes to fffcd1b5, after the last continuum point, and lets
* us test the boundary wraparound.
*/
test_true(memcached_generate_hash(memc, (char *)"VDEAAAAA", 8) == memc->ketama.continuum[0].index);
/* verify the standard ketama set. */
for (x= 0; x < 99; x++)
{
uint32_t server_idx = memcached_generate_hash(memc, ketama_test_cases[x].key, strlen(ketama_test_cases[x].key));
memcached_server_instance_st instance=
memcached_server_instance_by_position(memc, server_idx);
const char *hostname = memcached_server_name(instance);
test_strcmp(hostname, ketama_test_cases[x].server);
}
memcached_server_list_free(server_pool);
memcached_free(memc);
return TEST_SUCCESS;
}
test_return_t auto_eject_hosts(memcached_st *trash)
{
(void) trash;
memcached_server_instance_st instance;
memcached_return_t rc;
memcached_st *memc= memcached_create(NULL);
test_true(memc);
rc= memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED, 1);
test_compare(MEMCACHED_SUCCESS, rc);
uint64_t value= memcached_behavior_get(memc, MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED);
test_true(value == 1);
rc= memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_KETAMA_HASH, MEMCACHED_HASH_MD5);
test_compare(MEMCACHED_SUCCESS, rc);
value= memcached_behavior_get(memc, MEMCACHED_BEHAVIOR_KETAMA_HASH);
test_true(value == MEMCACHED_HASH_MD5);
/* server should be removed when in delay */
rc= memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_AUTO_EJECT_HOSTS, 1);
test_compare(MEMCACHED_SUCCESS, rc);
value= memcached_behavior_get(memc, MEMCACHED_BEHAVIOR_AUTO_EJECT_HOSTS);
test_true(value == 1);
memcached_server_st *server_pool;
server_pool = memcached_servers_parse("10.0.1.1:11211 600,10.0.1.2:11211 300,10.0.1.3:11211 200,10.0.1.4:11211 350,10.0.1.5:11211 1000,10.0.1.6:11211 800,10.0.1.7:11211 950,10.0.1.8:11211 100");
memcached_server_push(memc, server_pool);
/* verify that the server list was parsed okay. */
test_true(memcached_server_count(memc) == 8);
test_strcmp(server_pool[0].hostname, "10.0.1.1");
test_true(server_pool[0].port == 11211);
test_true(server_pool[0].weight == 600);
test_strcmp(server_pool[2].hostname, "10.0.1.3");
test_true(server_pool[2].port == 11211);
test_true(server_pool[2].weight == 200);
test_strcmp(server_pool[7].hostname, "10.0.1.8");
test_true(server_pool[7].port == 11211);
test_true(server_pool[7].weight == 100);
instance= memcached_server_instance_by_position(memc, 2);
((memcached_server_write_instance_st)instance)->next_retry = time(NULL) + 15;
memc->ketama.next_distribution_rebuild= time(NULL) - 1;
/*
This would not work if there were only two hosts.
*/
for (ptrdiff_t x= 0; x < 99; x++)
{
memcached_autoeject(memc);
uint32_t server_idx= memcached_generate_hash(memc, ketama_test_cases[x].key, strlen(ketama_test_cases[x].key));
test_true(server_idx != 2);
}
/* and re-added when it's back. */
((memcached_server_write_instance_st)instance)->next_retry = time(NULL) - 1;
memc->ketama.next_distribution_rebuild= time(NULL) - 1;
memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_DISTRIBUTION,
memc->distribution);
for (ptrdiff_t x= 0; x < 99; x++)
{
uint32_t server_idx = memcached_generate_hash(memc, ketama_test_cases[x].key, strlen(ketama_test_cases[x].key));
// We re-use instance from above.
instance=
memcached_server_instance_by_position(memc, server_idx);
const char *hostname = memcached_server_name(instance);
test_strcmp(hostname, ketama_test_cases[x].server);
}
memcached_server_list_free(server_pool);
memcached_free(memc);
return TEST_SUCCESS;
}
test_return_t ketama_compatibility_spymemcached(memcached_st *)
{
memcached_st *memc= memcached_create(NULL);
test_true(memc);
test_compare(MEMCACHED_SUCCESS,
memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED, 1));
test_compare(UINT64_C(1), memcached_behavior_get(memc, MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED));
test_compare(MEMCACHED_SUCCESS, memcached_behavior_set_distribution(memc, MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA_SPY));
test_compare(MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA_SPY, memcached_behavior_get_distribution(memc));
memcached_server_st *server_pool= memcached_servers_parse("10.0.1.1:11211 600,10.0.1.2:11211 300,10.0.1.3:11211 200,10.0.1.4:11211 350,10.0.1.5:11211 1000,10.0.1.6:11211 800,10.0.1.7:11211 950,10.0.1.8:11211 100");
test_true(server_pool);
memcached_server_push(memc, server_pool);
/* verify that the server list was parsed okay. */
test_compare(8U, memcached_server_count(memc));
test_strcmp(server_pool[0].hostname, "10.0.1.1");
test_compare(in_port_t(11211), server_pool[0].port);
test_compare(600U, server_pool[0].weight);
test_strcmp(server_pool[2].hostname, "10.0.1.3");
test_compare(in_port_t(11211), server_pool[2].port);
test_compare(200U, server_pool[2].weight);
test_strcmp(server_pool[7].hostname, "10.0.1.8");
test_compare(in_port_t(11211), server_pool[7].port);
test_compare(100U, server_pool[7].weight);
/* VDEAAAAA hashes to fffcd1b5, after the last continuum point, and lets
* us test the boundary wraparound.
*/
test_true(memcached_generate_hash(memc, (char *)"VDEAAAAA", 8) == memc->ketama.continuum[0].index);
/* verify the standard ketama set. */
for (uint32_t x= 0; x < 99; x++)
{
uint32_t server_idx= memcached_generate_hash(memc, ketama_test_cases_spy[x].key, strlen(ketama_test_cases_spy[x].key));
memcached_server_instance_st instance=
memcached_server_instance_by_position(memc, server_idx);
const char *hostname= memcached_server_name(instance);
test_strcmp(hostname, ketama_test_cases_spy[x].server);
}
memcached_server_list_free(server_pool);
memcached_free(memc);
return TEST_SUCCESS;
}
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