task_ptr enqueue(
dsn_task_code_t evt,
servicelet *context,
task_handler callback,
int hash /*= 0*/,
int delay_milliseconds /*= 0*/,
int timer_interval_milliseconds /*= 0*/
)
{
dsn_task_t t;
task_ptr tsk = new safe_task<task_handler>(callback, timer_interval_milliseconds != 0);
tsk->add_ref(); // released in exec callback
if (timer_interval_milliseconds != 0)
{
t = dsn_task_create_timer(evt, safe_task<task_handler>::exec, tsk, hash, timer_interval_milliseconds);
}
else
{
t = dsn_task_create(evt, safe_task<task_handler>::exec, tsk, hash);
}
tsk->set_task_info(t);
dsn_task_call(t, context ? context->tracker() : nullptr, delay_milliseconds);
return tsk;
}
DSN_PY_API dsn_task_t dsn_task_create_timer_helper(dsn_task_code_t code, uint64_t param, int hash, int interval_milliseconds, dsn_task_tracker_t tracker)
{
return dsn_task_create_timer(code, timer_handler, (void*)(uintptr_t)param, hash, interval_milliseconds, nullptr); // set tracker null
}