std::string log_time()
{
static const ptime start = time_now_hires();
char ret[200];
snprintf(ret, sizeof(ret), "%" PRId64, total_microseconds(time_now_hires() - start));
return ret;
}
void condition_variable::wait_for(mutex::scoped_lock& l, time_duration rel_time)
{
TORRENT_ASSERT(l.locked());
++m_num_waiters;
l.unlock();
acquire_sem_etc(m_sem, 1, B_RELATIVE_TIMEOUT, total_microseconds(rel_time));
l.lock();
--m_num_waiters;
}
void condition_variable::wait_for(mutex::scoped_lock& l, time_duration rel_time)
{
TORRENT_ASSERT(l.locked());
struct timeval tv;
struct timespec ts;
gettimeofday(&tv, NULL);
boost::uint64_t microseconds = tv.tv_usec + total_microseconds(rel_time) % 1000000;
ts.tv_nsec = (microseconds % 1000000) * 1000;
ts.tv_sec = tv.tv_sec + total_seconds(rel_time) + microseconds / 1000000;
// wow, this is quite a hack
pthread_cond_timedwait(&m_cond, (::pthread_mutex_t*)&l.mutex(), &ts);
}
bool dht_tracker::has_quota()
{
time_point now = clock_type::now();
time_duration delta = now - m_last_tick;
m_last_tick = now;
// add any new quota we've accrued since last time
m_send_quota += int(std::uint64_t(m_settings.upload_rate_limit)
* total_microseconds(delta) / 1000000);
// allow 3 seconds worth of burst
if (m_send_quota > 3 * m_settings.upload_rate_limit)
m_send_quota = 3 * m_settings.upload_rate_limit;
return m_send_quota > 0;
}