void *arrival_queue(void *arg) {
while(should_keep_running()) {
if (_cq.size < MAX_QUEUE_SIZE)
{
//work out the probability of arrival
int _rand = RAND(0,100);
if (_rand <= ARRIVAL_PERCENT_ACTION)
{
Car *c;
c = new_car();
if (c != NULL)
{
printf("[A] Car %s Queued at %s\n", get_car_id(c), get_car_time(c));
lock();
_cq.size++;
_cq.buffer[_cq.index] = c;
unlock();
}
}
}
thread_sleep_default();
}
return NULL;
}
void *departure(void *arg) {
while(should_keep_running()) {
if(is_carpark_empty()) {
printf("[D]\tCar park empty. Departure blocked\n");
thread_sleep_default();
} else
{
int _rand = RAND(0,100);
if (_rand <= DEPARTURE_PERCENT_ACTION)
{
remove_carpark();
}
}
thread_sleep_default();
}
return NULL;
}
JSValueRef function_print_err_fn(JSContextRef ctx, JSObjectRef function, JSObjectRef thisObject,
size_t argc, const JSValueRef args[], JSValueRef *exception) {
if (!should_keep_running()) {
fprintf(stderr, "\x1b[m\n");
*exception = JSValueMakeNull(ctx);
return NULL;
}
if (argc == 1 && JSValueIsString(ctx, args[0])) {
char *str = value_to_c_string(ctx, args[0]);
fprintf(stderr, "%s", str);
fflush(stderr);
free(str);
}
return JSValueMakeNull(ctx);
}
void *enter_carpark(void *arg) {
while(should_keep_running()) {
if(is_carpark_full()) {
printf("[C]\tNo parking bays available. Parking blocked\n");
thread_sleep_default();
} else {
//grab the first car in the queue
if (_cq.size > 0)
{
park_car_from_queue();
} else
{
printf("[C]\tNo Cars in the queue\n");
}
}
thread_sleep_default();
}
return NULL;
}
void *monitor(void *arg) {
enable_terminal_flush();
char c;
while(should_keep_running()) {
thread_sleep(25);
if(kbhit()) {
c = getchar();
if(c=='Q'||c=='q') {
quit();
} else if(c=='C'||c=='c') {
show_cars();
} else {
printf("[!]\tInvalid key. Use either Q or C\n");
}
}
}
disable_terminal_flush();
return NULL;
}
