static test_return_t generate_pairs(memcached_st *memc)
{
(void)memc;
global_pairs= pairs_generate(GLOBAL_COUNT, 400);
global_count= GLOBAL_COUNT;
for (size_t x= 0; x < global_count; x++)
{
global_keys[x]= global_pairs[x].key;
global_keys_length[x]= global_pairs[x].key_length;
}
return 0;
}
pairs_st *load_create_data(memcached_st *memc, unsigned int number_of,
unsigned int *actual_loaded)
{
memcached_st *clone;
pairs_st *pairs;
clone= memcached_clone(NULL, memc);
/* We always used non-blocking IO for load since it is faster */
memcached_behavior_set(clone, MEMCACHED_BEHAVIOR_NO_BLOCK, 0);
pairs= pairs_generate(number_of, 400);
*actual_loaded= execute_set(clone, pairs, number_of);
memcached_free(clone);
return pairs;
}
void scheduler(memcached_server_st *servers, conclusions_st *conclusion)
{
unsigned int x;
unsigned int actual_loaded= 0; /* Fix warning */
memcached_st *memc;
struct timeval start_time, end_time;
pthread_t mainthread; /* Thread descriptor */
pthread_attr_t attr; /* Thread attributes */
pairs_st *pairs= NULL;
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr,
PTHREAD_CREATE_DETACHED);
memc= memcached_create(NULL);
memcached_server_push(memc, servers);
memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL, opt_binary);
if (opt_flush)
flush_all(memc);
if (opt_createial_load)
pairs= load_create_data(memc, opt_createial_load, &actual_loaded);
/* We set this after we have loaded */
{
if (opt_non_blocking_io)
memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_NO_BLOCK, 1);
if (opt_tcp_nodelay)
memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_TCP_NODELAY, 1);
}
pthread_mutex_lock(&counter_mutex);
thread_counter= 0;
pthread_mutex_lock(&sleeper_mutex);
master_wakeup= 1;
pthread_mutex_unlock(&sleeper_mutex);
for (x= 0; x < opt_concurrency; x++)
{
thread_context_st *context;
context= (thread_context_st *)malloc(sizeof(thread_context_st));
memset(context, 0, sizeof(thread_context_st));
context->memc= memcached_clone(NULL, memc);
context->test= opt_test;
context->initial_pairs= pairs;
context->initial_number= actual_loaded;
if (opt_test == SET_TEST)
{
context->execute_pairs= pairs_generate(opt_execute_number, 400);
context->execute_number= opt_execute_number;
}
/* now you create the thread */
if (pthread_create(&mainthread, &attr, run_task,
(void *)context) != 0)
{
fprintf(stderr,"Could not create thread\n");
exit(1);
}
thread_counter++;
}
pthread_mutex_unlock(&counter_mutex);
pthread_attr_destroy(&attr);
pthread_mutex_lock(&sleeper_mutex);
master_wakeup= 0;
pthread_mutex_unlock(&sleeper_mutex);
pthread_cond_broadcast(&sleep_threshhold);
gettimeofday(&start_time, NULL);
/*
We loop until we know that all children have cleaned up.
*/
pthread_mutex_lock(&counter_mutex);
while (thread_counter)
{
struct timespec abstime;
memset(&abstime, 0, sizeof(struct timespec));
abstime.tv_sec= 1;
pthread_cond_timedwait(&count_threshhold, &counter_mutex, &abstime);
}
pthread_mutex_unlock(&counter_mutex);
gettimeofday(&end_time, NULL);
conclusion->load_time= timedif(end_time, start_time);
conclusion->read_time= timedif(end_time, start_time);
pairs_free(pairs);
memcached_free(memc);
}
