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Filename : failure.cc

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/*  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
 * 
 *  Libmemcached library
 *
 *  Copyright (C) 2011 Data Differential, http://datadifferential.com/
 *
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 *      * Redistributions of source code must retain the above copyright
 *  notice, this list of conditions and the following disclaimer.
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 *      * Redistributions in binary form must reproduce the above
 *  copyright notice, this list of conditions and the following disclaimer
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 *      * 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
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 *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 */

#include <mem_config.h>

/*
  C++ interface test
*/
#include <libmemcached-1.0/memcached.hpp>
#include <libmemcached/server_instance.h>
#include <libtest/test.hpp>

#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <ctime>

#include <string>
#include <iostream>

using namespace std;
using namespace memcache;
using namespace libtest;

libtest::Framework *global_framework= NULL;

static test_return_t shutdown_servers(memcached_st *memc)
{
  return TEST_SKIPPED;

  test_skip_valgrind();

  test_compare(memcached_server_count(memc), 1U);

  // Disable a single server, just the first
  global_framework->servers().shutdown(0);

  return TEST_SUCCESS;
}

static test_return_t add_shutdown_servers(memcached_st *memc)
{
  return TEST_SKIPPED;

  test_skip_valgrind();

  while (memcached_server_count(memc) < 2)
  {
    const char *argv[1]= { "add_shutdown_server" };
    test_true(global_framework->servers().start_socket_server("memcached", libtest::default_port(), argv));
    test_compare(MEMCACHED_SUCCESS, memcached_server_add(memc, "localhost", libtest::default_port()));
  }

  // Disable a single server, just the first
  global_framework->servers().shutdown(0);

  return TEST_SUCCESS;
}

static test_return_t restart_servers(memcached_st *)
{
  // Restart the servers
  global_framework->servers().restart();

  return TEST_SUCCESS;
}

#include "libmemcached/instance.hpp"
static test_return_t cull_TEST(memcached_st *memc)
{
  uint32_t count= memcached_server_count(memc);

  // Do not do this in your code, it is not supported.
  memc->servers[0].options.is_dead= true;
  memc->state.is_time_for_rebuild= true;

  uint32_t new_count= memcached_server_count(memc);
  test_compare(count, new_count);

  return TEST_SUCCESS;
}

static test_return_t MEMCACHED_SERVER_TEMPORARILY_DISABLED_TEST(memcached_st *memc)
{
  test_compare(MEMCACHED_SUCCESS, memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_RETRY_TIMEOUT, 30));
  test_compare_got(MEMCACHED_CONNECTION_FAILURE,
                   memcached_set(memc,
                                 test_literal_param("foo"),
                                 NULL, 0, time_t(0), uint32_t(0)),
                   memcached_last_error_message(memc));

  /*
    Setting server_failure_counter==0 should not influence the timeout that we set above,
    since we check the timeout that is created by the failure before we check how many times
    a server has failed.
  */
  test_compare(MEMCACHED_SERVER_TEMPORARILY_DISABLED,
               memcached_set(memc, test_literal_param("foo"), NULL, 0, time_t(0), uint32_t(0)));

  return TEST_SUCCESS;
}

static test_return_t MEMCACHED_SERVER_TEMPORARILY_DISABLED_to_success_TEST(memcached_st *memc)
{
  return TEST_SKIPPED;

  test_compare_got(MEMCACHED_CONNECTION_FAILURE,
                   memcached_set(memc,
                                 test_literal_param("foo"),
                                 NULL, 0, time_t(0), uint32_t(0)),
                   memcached_last_error_message(memc));

  /*
    Setting server_failure_counter==0 should not influence the timeout that we set above,
    since we check the timeout that is created by the failure before we check how many times
    a server has failed.
  */
  test_compare(MEMCACHED_SERVER_TEMPORARILY_DISABLED,
               memcached_set(memc, test_literal_param("foo"), NULL, 0, time_t(0), uint32_t(0)));

  global_framework->servers().restart();

  int limit= 5;
  memcached_return_t ret;
  do {
    libtest::dream(3, 0);
    ret= memcached_set(memc, test_literal_param("foo"), NULL, 0, time_t(0), uint32_t(0));
  } while (ret == MEMCACHED_SERVER_TEMPORARILY_DISABLED and --limit);

  test_true(limit);

  test_compare_got(MEMCACHED_SUCCESS, ret, memcached_last_error_message(memc));

  return TEST_SUCCESS;
}

static test_return_t MEMCACHED_SERVER_MARKED_DEAD_TEST(memcached_st *memc)
{
  return TEST_SKIPPED;

  test_compare(MEMCACHED_SUCCESS, memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_RETRY_TIMEOUT, 30));
  test_compare(MEMCACHED_SUCCESS, memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_AUTO_EJECT_HOSTS, true));

  memcached_return_t ret;
  do {
    ret= memcached_set(memc,
                       test_literal_param("foo"),
                       NULL, 0, time_t(0), uint32_t(0));
  } while (ret == MEMCACHED_SUCCESS or ret == MEMCACHED_CONNECTION_FAILURE);
  test_compare(MEMCACHED_SERVER_TEMPORARILY_DISABLED, ret);

  int limit= 5;
  do {
    libtest::dream(3, 0);
    ret= memcached_set(memc, test_literal_param("foo"), NULL, 0, time_t(0), uint32_t(0));
  } while ((ret == MEMCACHED_SERVER_TEMPORARILY_DISABLED or ret == MEMCACHED_SUCCESS) and --limit);

  test_true(limit);

  test_compare_got(MEMCACHED_SERVER_MARKED_DEAD, ret, memcached_last_error_message(memc));

  return TEST_SUCCESS;
}

test_st cull_TESTS[] ={
  { "cull servers", true, (test_callback_fn*)cull_TEST },
  { 0, 0, 0 }
};

test_st server_temporarily_disabled_TESTS[] ={
  { "memcached_set(MEMCACHED_SERVER_TEMPORARILY_DISABLED -> MEMCACHED_SUCCESS)", true, (test_callback_fn*)MEMCACHED_SERVER_TEMPORARILY_DISABLED_to_success_TEST },
  { "memcached_set(MEMCACHED_SERVER_TEMPORARILY_DISABLED)", true, (test_callback_fn*)MEMCACHED_SERVER_TEMPORARILY_DISABLED_TEST },
  { 0, 0, 0 }
};

test_st server_permanently_disabled_TESTS[] ={
  { "memcached_set(MEMCACHED_SERVER_MARKED_DEAD)", true, (test_callback_fn*)MEMCACHED_SERVER_MARKED_DEAD_TEST },
  { 0, 0, 0 }
};

collection_st collection[] ={
  { "cull", (test_callback_fn*)shutdown_servers, (test_callback_fn*)restart_servers, cull_TESTS },
  { "server failed", (test_callback_fn*)shutdown_servers, (test_callback_fn*)restart_servers, server_temporarily_disabled_TESTS },
  { "server eject", (test_callback_fn*)add_shutdown_servers, (test_callback_fn*)restart_servers, server_permanently_disabled_TESTS },
  { 0, 0, 0, 0 }
};

#include "tests/libmemcached_world.h"

void get_world(libtest::Framework* world)
{
  world->servers().set_servers_to_run(1);

  world->collections(collection);

  world->create((test_callback_create_fn*)world_create);
  world->destroy((test_callback_destroy_fn*)world_destroy);

  world->set_runner(new LibmemcachedRunner);

  global_framework= world;
}

Name	Size	Last Modified	Owner	Permissions
basic.h	2.175 KB	February 09 2014 11:52:42	root	0644
callbacks.h	1.837 KB	February 09 2014 11:52:42	root	0644
cpp_example.cc	3.533 KB	February 09 2014 11:52:42	root	0644
cycle.cc	4.078 KB	February 09 2014 11:52:42	root	0644
debug.h	2.089 KB	February 09 2014 11:52:42	root	0644
deprecated.h	1.867 KB	February 09 2014 11:52:42	root	0644
error_conditions.h	1.793 KB	February 09 2014 11:52:42	root	0644
exist.h	1.865 KB	February 09 2014 11:52:42	root	0644
failure.cc	7.745 KB	February 09 2014 11:52:42	root	0644
hash_plus.cc	4.337 KB	February 09 2014 11:52:42	root	0644
hash_results.h	6.688 KB	February 09 2014 11:52:42	root	0644
hashkit_functions.cc	13.817 KB	February 09 2014 11:52:42	root	0644
ketama.h	1.858 KB	February 09 2014 11:52:42	root	0644
ketama_test_cases.h	6.136 KB	February 09 2014 11:52:42	root	0644
ketama_test_cases_spy.h	6.104 KB	February 09 2014 11:52:42	root	0644
libmemcached_test_container.h	2.283 KB	February 09 2014 11:52:42	root	0644
libmemcached_world.h	3.093 KB	February 09 2014 11:52:42	root	0644
libmemcached_world_socket.h	2.848 KB	February 09 2014 11:52:42	root	0644
mem_udp.cc	17.72 KB	February 09 2014 11:52:42	root	0644
memcapable.cc	3.502 KB	February 09 2014 11:52:42	root	0644
memcat.cc	4.337 KB	February 09 2014 11:52:42	root	0644
memcp.cc	3.267 KB	February 09 2014 11:52:42	root	0644
memdump.cc	3.761 KB	February 09 2014 11:52:42	root	0644
memerror.cc	3.394 KB	February 09 2014 11:52:42	root	0644
memexist.cc	4.65 KB	February 09 2014 11:52:42	root	0644
memflush.cc	3.214 KB	February 09 2014 11:52:42	root	0644
memping.cc	3.332 KB	February 09 2014 11:52:42	root	0644
memrm.cc	4.919 KB	February 09 2014 11:52:42	root	0644
memslap.cc	5.998 KB	February 09 2014 11:52:42	root	0644
memstat.cc	3.751 KB	February 09 2014 11:52:42	root	0644
memtouch.cc	4.708 KB	February 09 2014 11:52:42	root	0644
namespace.h	1.729 KB	February 09 2014 11:52:42	root	0644
parser.cc	3.26 KB	February 09 2014 11:52:42	root	0644
pool.h	1.934 KB	February 09 2014 11:52:42	root	0644
print.h	2.141 KB	February 09 2014 11:52:42	root	0644
replication.h	2.157 KB	February 09 2014 11:52:42	root	0644
runner.h	4.675 KB	February 09 2014 11:52:42	root	0644
server_add.h	1.91 KB	February 09 2014 11:52:42	root	0644
string.h	2.166 KB	February 09 2014 11:52:42	root	0644
touch.h	1.76 KB	February 09 2014 11:52:42	root	0644
virtual_buckets.h	1.819 KB	February 09 2014 11:52:42	root	0644

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