/* //////////////////////////////////////////////////////////////////////////////////////
* worker implementation
*/
static tb_bool_t tb_thread_pool_worker_walk_pull(tb_iterator_ref_t iterator, tb_cpointer_t item, tb_cpointer_t value, tb_bool_t* is_break)
{
// the worker pull
tb_thread_pool_worker_t* worker = (tb_thread_pool_worker_t*)value;
tb_assert_abort(worker && worker->jobs && worker->stats && is_break);
// full?
if (worker->pull >= TB_THREAD_POOL_JOBS_PULL_TIME_MAXN)
{
// break it
*is_break = tb_true;
return tb_false;
}
// the job
tb_thread_pool_job_t* job = (tb_thread_pool_job_t*)item;
tb_assert_abort(job);
// the pool
tb_thread_pool_impl_t* impl = (tb_thread_pool_impl_t*)worker->pool;
tb_assert_abort(impl);
// append the job to the pending jobs
tb_list_entry_insert_tail(&impl->jobs_pending, &job->entry);
// append the job to the working jobs
tb_vector_insert_tail(worker->jobs, job);
// computate the job average time
tb_size_t average_time = 200;
if (tb_hash_map_size(worker->stats))
{
tb_thread_pool_job_stats_t* stats = (tb_thread_pool_job_stats_t*)tb_hash_map_get(worker->stats, job->task.done);
if (stats && stats->done_count) average_time = (tb_size_t)(stats->total_time / stats->done_count);
}
// update the pull time
worker->pull += average_time;
// trace
tb_trace_d("worker[%lu]: pull: task[%p:%s] from %s", worker->id, job->task.done, job->task.name, iterator == tb_list_entry_itor(&impl->jobs_waiting)? "waiting" : "urgent");
// remove the job from the waiting or urgent jobs
return tb_true;
}
static tb_pointer_t tb_thread_pool_worker_loop(tb_cpointer_t priv)
{
// the worker
tb_thread_pool_worker_t* worker = (tb_thread_pool_worker_t*)priv;
// trace
tb_trace_d("worker[%lu]: init", worker? worker->id : -1);
// done
do
{
// check
tb_assert_and_check_break(worker && !worker->jobs && !worker->stats);
// the pool
tb_thread_pool_impl_t* impl = (tb_thread_pool_impl_t*)worker->pool;
tb_assert_and_check_break(impl && impl->semaphore);
// wait some time for leaving the lock
tb_msleep((worker->id + 1)* 20);
// init jobs
worker->jobs = tb_vector_init(TB_THREAD_POOL_JOBS_WORKING_GROW, tb_element_ptr(tb_null, tb_null));
tb_assert_and_check_break(worker->jobs);
// init stats
worker->stats = tb_hash_map_init(TB_HASH_MAP_BUCKET_SIZE_MICRO, tb_element_ptr(tb_null, tb_null), tb_element_mem(sizeof(tb_thread_pool_job_stats_t), tb_null, tb_null));
tb_assert_and_check_break(worker->stats);
// loop
while (1)
{
// pull jobs if be idle
if (!tb_vector_size(worker->jobs))
{
// enter
tb_spinlock_enter(&impl->lock);
// init the pull time
worker->pull = 0;
// pull from the urgent jobs
if (tb_list_entry_size(&impl->jobs_urgent))
{
// trace
tb_trace_d("worker[%lu]: try pulling from urgent: %lu", worker->id, tb_list_entry_size(&impl->jobs_urgent));
// pull it
tb_remove_if_until(tb_list_entry_itor(&impl->jobs_urgent), tb_thread_pool_worker_walk_pull, worker);
}
// pull from the waiting jobs
if (tb_list_entry_size(&impl->jobs_waiting))
{
// trace
tb_trace_d("worker[%lu]: try pulling from waiting: %lu", worker->id, tb_list_entry_size(&impl->jobs_waiting));
// pull it
tb_remove_if_until(tb_list_entry_itor(&impl->jobs_waiting), tb_thread_pool_worker_walk_pull, worker);
}
// pull from the pending jobs and clean some finished and killed jobs
if (tb_list_entry_size(&impl->jobs_pending))
{
// trace
tb_trace_d("worker[%lu]: try pulling from pending: %lu", worker->id, tb_list_entry_size(&impl->jobs_pending));
// no jobs? try to pull from the pending jobs
if (!tb_vector_size(worker->jobs))
tb_remove_if(tb_list_entry_itor(&impl->jobs_pending), tb_thread_pool_worker_walk_pull_and_clean, worker);
// clean some finished and killed jobs
else tb_remove_if(tb_list_entry_itor(&impl->jobs_pending), tb_thread_pool_worker_walk_clean, worker);
}
// leave
tb_spinlock_leave(&impl->lock);
// idle? wait it
if (!tb_vector_size(worker->jobs))
{
// killed?
tb_check_break(!tb_atomic_get(&worker->bstoped));
// trace
tb_trace_d("worker[%lu]: wait: ..", worker->id);
// wait some time
tb_long_t wait = tb_semaphore_wait(impl->semaphore, -1);
tb_assert_and_check_break(wait > 0);
// trace
tb_trace_d("worker[%lu]: wait: ok", worker->id);
// continue it
continue;
}
else
{
#ifdef TB_TRACE_DEBUG
// update the jobs urgent size
tb_size_t jobs_urgent_size = tb_list_entry_size(&impl->jobs_urgent);
// update the jobs waiting size
tb_size_t jobs_waiting_size = tb_list_entry_size(&impl->jobs_waiting);
// update the jobs pending size
tb_size_t jobs_pending_size = tb_list_entry_size(&impl->jobs_pending);
// trace
tb_trace_d("worker[%lu]: pull: jobs: %lu, time: %lu ms, waiting: %lu, pending: %lu, urgent: %lu", worker->id, tb_vector_size(worker->jobs), worker->pull, jobs_waiting_size, jobs_pending_size, jobs_urgent_size);
#endif
}
}
// done jobs
tb_for_all (tb_thread_pool_job_t*, job, worker->jobs)
{
// check
tb_assert_and_check_continue(job && job->task.done);
// the job state
tb_size_t state = tb_atomic_fetch_and_pset(&job->state, TB_STATE_WAITING, TB_STATE_WORKING);
// the job is waiting? work it
if (state == TB_STATE_WAITING)
{
// trace
tb_trace_d("worker[%lu]: done: task[%p:%s]: ..", worker->id, job->task.done, job->task.name);
// init the time
tb_hong_t time = tb_cache_time_spak();
// done the job
job->task.done((tb_thread_pool_worker_ref_t)worker, job->task.priv);
// computate the time
time = tb_cache_time_spak() - time;
// exists? update time and count
tb_size_t itor;
tb_hash_map_item_ref_t item = tb_null;
if ( ((itor = tb_hash_map_find(worker->stats, job->task.done)) != tb_iterator_tail(worker->stats))
&& (item = (tb_hash_map_item_ref_t)tb_iterator_item(worker->stats, itor)))
{
// the stats
tb_thread_pool_job_stats_t* stats = (tb_thread_pool_job_stats_t*)item->data;
tb_assert_and_check_break(stats);
// update the done count
stats->done_count++;
// update the total time
stats->total_time += time;
}
// no item? add it
if (!item)
{
// init stats
tb_thread_pool_job_stats_t stats = {0};
stats.done_count = 1;
stats.total_time = time;
// add stats
tb_hash_map_insert(worker->stats, job->task.done, &stats);
}
#ifdef TB_TRACE_DEBUG
tb_size_t done_count = 0;
tb_hize_t total_time = 0;
tb_thread_pool_job_stats_t* stats = (tb_thread_pool_job_stats_t*)tb_hash_map_get(worker->stats, job->task.done);
if (stats)
{
done_count = stats->done_count;
total_time = stats->total_time;
}
// trace
tb_trace_d("worker[%lu]: done: task[%p:%s]: time: %lld ms, average: %lld ms, count: %lu", worker->id, job->task.done, job->task.name, time, (total_time / (tb_hize_t)done_count), done_count);
#endif
// update the job state
tb_atomic_set(&job->state, TB_STATE_FINISHED);
}
// the job is killing? work it
else if (state == TB_STATE_KILLING)
{
// update the job state
tb_atomic_set(&job->state, TB_STATE_KILLED);
}
}
// clear jobs
tb_vector_clear(worker->jobs);
}
} while (0);
// exit worker
if (worker)
{
// trace
tb_trace_d("worker[%lu]: exit", worker->id);
// stoped
tb_atomic_set(&worker->bstoped, 1);
// exit all private data
tb_size_t i = 0;
tb_size_t n = tb_arrayn(worker->priv);
for (i = 0; i < n; i++)
{
// the private data
tb_thread_pool_worker_priv_t* priv = &worker->priv[n - i - 1];
// exit it
if (priv->exit) priv->exit((tb_thread_pool_worker_ref_t)worker, priv->priv);
// clear it
priv->exit = tb_null;
priv->priv = tb_null;
}
// exit stats
if (worker->stats) tb_hash_map_exit(worker->stats);
worker->stats = tb_null;
// exit jobs
if (worker->jobs) tb_vector_exit(worker->jobs);
worker->jobs = tb_null;
}
// exit
tb_thread_return(tb_null);
return tb_null;
}
tb_void_t tb_fixed_pool_clear(tb_fixed_pool_ref_t self)
{
// check
tb_fixed_pool_t* pool = (tb_fixed_pool_t*)self;
tb_assert_and_check_return(pool);
// exit items
if (pool->func_exit) tb_fixed_pool_walk(self, tb_fixed_pool_item_exit, (tb_pointer_t)pool);
// exit the partial slots
tb_iterator_ref_t partial_iterator = tb_list_entry_itor(&pool->partial_slots);
if (partial_iterator)
{
// walk it
tb_size_t itor = tb_iterator_head(partial_iterator);
while (itor != tb_iterator_tail(partial_iterator))
{
// the slot
tb_fixed_pool_slot_t* slot = (tb_fixed_pool_slot_t*)tb_iterator_item(partial_iterator, itor);
tb_assert_and_check_break(slot);
// check
tb_assert(slot != pool->current_slot);
// save next
tb_size_t next = tb_iterator_next(partial_iterator, itor);
// exit slot
tb_fixed_pool_slot_exit(pool, slot);
// next
itor = next;
}
}
// exit the full slots
tb_iterator_ref_t full_iterator = tb_list_entry_itor(&pool->full_slots);
if (full_iterator)
{
// walk it
tb_size_t itor = tb_iterator_head(full_iterator);
while (itor != tb_iterator_tail(full_iterator))
{
// the slot
tb_fixed_pool_slot_t* slot = (tb_fixed_pool_slot_t*)tb_iterator_item(full_iterator, itor);
tb_assert_and_check_break(slot);
// check
tb_assert(slot != pool->current_slot);
// save next
tb_size_t next = tb_iterator_next(full_iterator, itor);
// exit slot
tb_fixed_pool_slot_exit(pool, slot);
// next
itor = next;
}
}
// clear current slot
if (pool->current_slot && pool->current_slot->pool)
tb_static_fixed_pool_clear(pool->current_slot->pool);
// clear item count
pool->item_count = 0;
// clear partial slots
tb_list_entry_clear(&pool->partial_slots);
// clear full slots
tb_list_entry_clear(&pool->full_slots);
}
