void chrono_start_stop_handler(ClickRecognizerRef recognizer, Window *window) {
PblTm time;
int seconds;
get_time(&time);
seconds = get_time_seconds(&time);
// The start/stop button was pressed.
if (chrono_running) {
// If the chronograph is currently running, this means to stop (or
// pause).
chrono_hold_seconds = seconds - chrono_start_seconds;
chrono_running = false;
chrono_lap_paused = false;
vibes_enqueue_custom_pattern(tap);
update_hands(&time);
// We change the click config provider according to the chrono run
// state. When the chrono is stopped, we listen for a different
// set of buttons than when it is started.
window_set_click_config_provider(window, (ClickConfigProvider)stopped_click_config_provider);
} else {
// If the chronograph is not currently running, this means to
// start, from the currently showing Chronograph time.
chrono_start_seconds = seconds - chrono_hold_seconds;
chrono_running = true;
vibes_enqueue_custom_pattern(tap);
update_hands(&time);
window_set_click_config_provider(window, (ClickConfigProvider)started_click_config_provider);
}
}
void network_throttle::tick()
{
double time_now = get_time_seconds();
if (!m_any_packet_yet) m_start_time = time_now; // starting now
network_time_seconds current_sample_time_slot = time_to_slot( time_now ); // T=13.7 --> 13 (for 1-second smallwindow)
network_time_seconds last_sample_time_slot = time_to_slot( m_last_sample_time );
// moving to next position, and filling gaps
// !! during this loop the m_last_sample_time and last_sample_time_slot mean the variable moved in +1
// TODO optimize when moving few slots at once
while ( (!m_any_packet_yet) || (last_sample_time_slot < current_sample_time_slot))
{
_dbg3("Moving counter buffer by 1 second " << last_sample_time_slot << " < " << current_sample_time_slot << " (last time " << m_last_sample_time<<")");
// rotate buffer
for (size_t i=m_history.size()-1; i>=1; --i) m_history[i] = m_history[i-1];
m_history[0] = packet_info();
if (! m_any_packet_yet)
{
m_last_sample_time = time_now;
}
m_last_sample_time += 1; last_sample_time_slot = time_to_slot( m_last_sample_time ); // increase and recalculate time, time slot
m_any_packet_yet=true;
}
m_last_sample_time = time_now; // the real exact last time
}
// Determines the specific hand bitmaps that should be displayed based
// on the current time.
void compute_hands(PblTm *time, struct HandPlacement *placement) {
int seconds;
seconds = get_time_seconds(time);
placement->hour_hand_index = ((NUM_STEPS_HOUR * seconds) / (3600 * 12)) % NUM_STEPS_HOUR;
placement->minute_hand_index = ((NUM_STEPS_MINUTE * seconds) / 3600) % NUM_STEPS_MINUTE;
#ifdef SHOW_SECOND_HAND
placement->second_hand_index = ((NUM_STEPS_SECOND * seconds) / 60) % NUM_STEPS_SECOND;
#endif // SHOW_SECOND_HAND
#ifdef SHOW_DAY_CARD
placement->day_index = time->tm_wday;
#endif // SHOW_DAY_CARD
#ifdef SHOW_DATE_CARD
placement->date_value = time->tm_mday;
#endif // SHOW_DATE_CARD
#ifdef ENABLE_HOUR_BUZZER
placement->hour_buzzer = (seconds / 3600) % 24;
#endif
#ifdef MAKE_CHRONOGRAPH
{
int chrono_seconds;
if (chrono_running && !chrono_lap_paused) {
// The chronograph is running. Show the active elapsed time.
chrono_seconds = (seconds - chrono_start_seconds + SECONDS_PER_DAY) % SECONDS_PER_DAY;
} else {
// The chronograph is paused. Show the time it is paused on.
chrono_seconds = chrono_hold_seconds;
}
#ifdef SHOW_CHRONO_MINUTE_HAND
// The chronograph minute hand rolls completely around in 30
// minutes (not 60).
placement->chrono_minute_hand_index = ((NUM_STEPS_CHRONO_MINUTE * chrono_seconds) / 1800) % NUM_STEPS_CHRONO_MINUTE;
#endif // SHOW_CHRONO_MINUTE_HAND
#ifdef SHOW_CHRONO_SECOND_HAND
placement->chrono_second_hand_index = ((NUM_STEPS_CHRONO_SECOND * chrono_seconds) / 60) % NUM_STEPS_CHRONO_SECOND;
#endif // SHOW_CHRONO_SECOND_HAND
}
#endif // MAKE_CHRONOGRAPH
}
void chrono_lap_button() {
PblTm time;
int seconds;
get_time(&time);
if (chrono_lap_paused) {
// If we were already paused, this resumes the motion, jumping
// ahead to the currently elapsed time.
chrono_lap_paused = false;
vibes_enqueue_custom_pattern(tap);
update_hands(&time);
} else {
// If we were not already paused, this pauses the hands here (but
// does not stop the timer).
seconds = get_time_seconds(&time);
chrono_hold_seconds = seconds - chrono_start_seconds;
chrono_lap_paused = true;
vibes_enqueue_custom_pattern(tap);
update_hands(&time);
}
}
// MAIN LOGIC:
void network_throttle::calculate_times(size_t packet_size, calculate_times_struct &cts, bool dbg, double force_window) const
{
const double the_window_size = std::max( (double)m_window_size ,
((force_window>0) ? force_window : m_window_size)
);
if (!m_any_packet_yet) {
cts.window=0; cts.average=0; cts.delay=0;
cts.recomendetDataSize = m_network_minimal_segment; // should be overrided by caller anyway
return ; // no packet yet, I can not decide about sleep time
}
network_time_seconds window_len = (the_window_size-1) * m_slot_size ; // -1 since current slot is not finished
window_len += (m_last_sample_time - time_to_slot(m_last_sample_time)); // add the time for current slot e.g. 13.7-13 = 0.7
auto time_passed = get_time_seconds() - m_start_time;
cts.window = std::max( std::min( window_len , time_passed ) , m_slot_size ) ; // window length resulting from size of history but limited by how long ago history was started,
// also at least slot size (e.g. 1 second) to not be ridiculous
// window_len e.g. 5.7 because takes into account current slot time
size_t Epast = 0; // summ of traffic till now
for (auto sample : m_history) Epast += sample.m_size;
const size_t E = Epast;
const size_t Enow = Epast + packet_size ; // including the data we're about to send now
const double M = m_target_speed; // max
const double D1 = (Epast - M*cts.window) / M; // delay - how long to sleep to get back to target speed
const double D2 = (Enow - M*cts.window) / M; // delay - how long to sleep to get back to target speed (including current packet)
cts.delay = (D1*0.80 + D2*0.20); // finall sleep depends on both with/without current packet
// update_overheat();
cts.average = Epast/cts.window; // current avg. speed (for info)
if (Epast <= 0) {
if (cts.delay>=0) cts.delay = 0; // no traffic in history so we will not wait
}
double Wgood=-1;
{ // how much data we recommend now to download
Wgood = the_window_size + 1;
cts.recomendetDataSize = M*cts.window - E;
}
if (dbg) {
std::ostringstream oss; oss << "["; for (auto sample: m_history) oss << sample.m_size << " "; oss << "]" << std::ends;
std::string history_str = oss.str();
MTRACE((cts.delay > 0 ? "SLEEP" : "")
<< "dbg " << m_name << ": "
<< "speed is A=" << std::setw(8) <<cts.average<<" vs "
<< "Max=" << std::setw(8) <<M<<" "
<< " so sleep: "
<< "D=" << std::setw(8) <<cts.delay<<" sec "
<< "E="<< std::setw(8) << E << " (Enow="<<std::setw(8)<<Enow<<") "
<< "M=" << std::setw(8) << M <<" W="<< std::setw(8) << cts.window << " "
<< "R=" << std::setw(8) << cts.recomendetDataSize << " Wgood" << std::setw(8) << Wgood << " "
<< "History: " << std::setw(8) << history_str << " "
<< "m_last_sample_time=" << std::setw(8) << m_last_sample_time
);
}
}
