Merge from build
[awesomized/libmemcached] / tests / failure.cc
1 /* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
2 *
3 * Libmemcached library
4 *
5 * Copyright (C) 2011 Data Differential, http://datadifferential.com/
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are
9 * met:
10 *
11 * * Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 *
14 * * Redistributions in binary form must reproduce the above
15 * copyright notice, this list of conditions and the following disclaimer
16 * in the documentation and/or other materials provided with the
17 * distribution.
18 *
19 * * The names of its contributors may not be used to endorse or
20 * promote products derived from this software without specific prior
21 * written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
26 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
27 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
28 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
29 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 *
35 */
36
37 #include <config.h>
38
39 /*
40 C++ interface test
41 */
42 #include <libmemcached-1.0/memcached.hpp>
43 #include <libmemcached/server_instance.h>
44 #include <libtest/test.hpp>
45
46 #include <cstdio>
47 #include <cstdlib>
48 #include <cstring>
49 #include <sys/time.h>
50 #include <sys/types.h>
51 #include <sys/stat.h>
52 #include <unistd.h>
53 #include <ctime>
54
55 #include <string>
56 #include <iostream>
57
58 using namespace std;
59 using namespace memcache;
60 using namespace libtest;
61
62 Framework *global_framework= NULL;
63
64 static test_return_t shutdown_servers(memcached_st *memc)
65 {
66 test_compare(memcached_server_count(memc), 1U);
67
68 // Disable a single server, just the first
69 global_framework->servers().shutdown(0);
70
71 return TEST_SUCCESS;
72 }
73
74 static test_return_t add_shutdown_servers(memcached_st *memc)
75 {
76 while (memcached_server_count(memc) < 2)
77 {
78 const char *argv[1]= { "add_shutdown_server" };
79 in_port_t port= max_port() +1;
80 test_true(global_framework->servers().start_socket_server("memcached", port, 1, argv));
81 test_compare(MEMCACHED_SUCCESS, memcached_server_add(memc, "localhost", port));
82 }
83
84 // Disable a single server, just the first
85 global_framework->servers().shutdown(0);
86
87 return TEST_SUCCESS;
88 }
89
90 static test_return_t restart_servers(memcached_st *)
91 {
92 // Restart the servers
93 global_framework->servers().restart();
94
95 return TEST_SUCCESS;
96 }
97
98 static test_return_t cull_TEST(memcached_st *memc)
99 {
100 uint32_t count= memcached_server_count(memc);
101
102 // Do not do this in your code, it is not supported.
103 memc->servers[0].options.is_dead= true;
104 memc->state.is_time_for_rebuild= true;
105
106 uint32_t new_count= memcached_server_count(memc);
107 test_compare(count, new_count);
108
109 return TEST_SUCCESS;
110 }
111
112 static test_return_t MEMCACHED_SERVER_TEMPORARILY_DISABLED_TEST(memcached_st *memc)
113 {
114 test_compare(MEMCACHED_SUCCESS, memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_RETRY_TIMEOUT, 30));
115 test_compare_got(MEMCACHED_CONNECTION_FAILURE,
116 memcached_set(memc,
117 test_literal_param("foo"),
118 NULL, 0, time_t(0), uint32_t(0)),
119 memcached_last_error_message(memc));
120
121 /*
122 Setting server_failure_counter==0 should not influence the timeout that we set above,
123 since we check the timeout that is created by the failure before we check how many times
124 a server has failed.
125 */
126 test_compare(MEMCACHED_SERVER_TEMPORARILY_DISABLED,
127 memcached_set(memc, test_literal_param("foo"), NULL, 0, time_t(0), uint32_t(0)));
128
129 return TEST_SUCCESS;
130 }
131
132 static test_return_t MEMCACHED_SERVER_TEMPORARILY_DISABLED_to_success_TEST(memcached_st *memc)
133 {
134 test_compare_got(MEMCACHED_CONNECTION_FAILURE,
135 memcached_set(memc,
136 test_literal_param("foo"),
137 NULL, 0, time_t(0), uint32_t(0)),
138 memcached_last_error_message(memc));
139
140 /*
141 Setting server_failure_counter==0 should not influence the timeout that we set above,
142 since we check the timeout that is created by the failure before we check how many times
143 a server has failed.
144 */
145 test_compare(MEMCACHED_SERVER_TEMPORARILY_DISABLED,
146 memcached_set(memc, test_literal_param("foo"), NULL, 0, time_t(0), uint32_t(0)));
147
148 global_framework->servers().restart();
149
150 memcached_return_t ret;
151 do {
152 sleep(3);
153 ret= memcached_set(memc, test_literal_param("foo"), NULL, 0, time_t(0), uint32_t(0));
154 } while (ret == MEMCACHED_SERVER_TEMPORARILY_DISABLED);
155
156 test_compare_got(MEMCACHED_SUCCESS, ret, memcached_last_error_message(memc));
157
158 return TEST_SUCCESS;
159 }
160
161 static test_return_t MEMCACHED_SERVER_MARKED_DEAD_TEST(memcached_st *memc)
162 {
163 test_compare(MEMCACHED_SUCCESS, memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_RETRY_TIMEOUT, 30));
164 test_compare(MEMCACHED_SUCCESS, memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_AUTO_EJECT_HOSTS, true));
165
166 memcached_return_t ret;
167 do {
168 ret= memcached_set(memc,
169 test_literal_param("foo"),
170 NULL, 0, time_t(0), uint32_t(0));
171 } while (ret == MEMCACHED_SUCCESS or ret == MEMCACHED_CONNECTION_FAILURE);
172 test_compare(MEMCACHED_SERVER_TEMPORARILY_DISABLED, ret);
173
174 do {
175 sleep(3);
176 ret= memcached_set(memc, test_literal_param("foo"), NULL, 0, time_t(0), uint32_t(0));
177 } while (ret == MEMCACHED_SERVER_TEMPORARILY_DISABLED or ret == MEMCACHED_SUCCESS);
178
179 test_compare_got(MEMCACHED_SERVER_MARKED_DEAD, ret, memcached_last_error_message(memc));
180
181 return TEST_SUCCESS;
182 }
183
184 test_st cull_TESTS[] ={
185 { "cull servers", true, (test_callback_fn*)cull_TEST },
186 { 0, 0, 0 }
187 };
188
189 test_st server_temporarily_disabled_TESTS[] ={
190 { "memcached_set(MEMCACHED_SERVER_TEMPORARILY_DISABLED)", true, (test_callback_fn*)MEMCACHED_SERVER_TEMPORARILY_DISABLED_TEST },
191 { "memcached_set(MEMCACHED_SERVER_TEMPORARILY_DISABLED -> MEMCACHED_SUCCESS)", true, (test_callback_fn*)MEMCACHED_SERVER_TEMPORARILY_DISABLED_to_success_TEST },
192 { 0, 0, 0 }
193 };
194
195 test_st server_permanently_disabled_TESTS[] ={
196 { "memcached_set(MEMCACHED_SERVER_MARKED_DEAD)", true, (test_callback_fn*)MEMCACHED_SERVER_MARKED_DEAD_TEST },
197 { 0, 0, 0 }
198 };
199
200 collection_st collection[] ={
201 { "cull", (test_callback_fn*)shutdown_servers, (test_callback_fn*)restart_servers, cull_TESTS },
202 { "server failed", (test_callback_fn*)shutdown_servers, (test_callback_fn*)restart_servers, server_temporarily_disabled_TESTS },
203 { "server eject", (test_callback_fn*)add_shutdown_servers, (test_callback_fn*)restart_servers, server_permanently_disabled_TESTS },
204 { 0, 0, 0, 0 }
205 };
206
207 #include "libmemcached_world.h"
208
209 void get_world(Framework *world)
210 {
211 world->servers().set_count(1);
212
213 world->collections= collection;
214
215 world->_create= (test_callback_create_fn*)world_create;
216 world->_destroy= (test_callback_destroy_fn*)world_destroy;
217
218 world->item._startup= (test_callback_fn*)world_test_startup;
219 world->item.set_pre((test_callback_fn*)world_pre_run);
220 world->item.set_flush((test_callback_fn*)world_flush);
221 world->item.set_post((test_callback_fn*)world_post_run);
222 world->_on_error= (test_callback_error_fn*)world_on_error;
223
224 world->collection_startup= (test_callback_fn*)world_container_startup;
225 world->collection_shutdown= (test_callback_fn*)world_container_shutdown;
226
227 world->set_runner(&defualt_libmemcached_runner);
228
229 global_framework= world;
230 }