return -1;
int rate_id = host_rates_it->second;
- xbt_assert(rate_id >= 0 && rate_id < (int)bandwidths_.size(), "Host '%s' has an invalid rate '%d' on wifi link '%s'",
- host->get_name().c_str(), rate_id, this->get_cname());
+ xbt_assert(rate_id >= 0,
+ "Negative host wifi rate levels are invalid but host '%s' uses %d as a rate level on link '%s'",
+ host->get_cname(), rate_id, this->get_cname());
+ xbt_assert(rate_id < (int)bandwidths_.size(),
+ "Link '%s' only has %zu wifi rate levels, so the provided level %d is invalid for host '%s'.",
+ this->get_cname(), bandwidths_.size(), rate_id, host->get_cname());
Metric rate = use_decay_model_ ? decay_bandwidths_[rate_id] : bandwidths_[rate_id];
return rate.peak * rate.scale;
return s4u::Link::SharingPolicy::WIFI;
}
+int NetworkWifiLink::get_host_count()
+{
+ return host_rates_.size();
+}
+
void NetworkWifiLink::refresh_decay_bandwidths(){
// Compute number of STAtion on the Access Point
- int nSTA=host_rates_.size();
-
+ int nSTA = get_host_count();
+
std::vector<Metric> new_bandwidths;
for (auto bandwidth : bandwidths_){
- // Instanciate decay model relatively to the actual bandwidth
+ // Instantiate decay model relatively to the actual bandwidth
double max_bw=bandwidth.peak;
double min_bw=bandwidth.peak-(wifi_max_rate_-wifi_min_rate_);
double model_rate=bandwidth.peak-(wifi_max_rate_-model_rate_);
// Since decay model start at 0 we should use (nSTA-1)
double new_peak=N0*exp(-lambda*(nSTA-1))+min_bw;
new_bandwidths.push_back({new_peak, 1.0, nullptr});
-
}
decay_bandwidths_=new_bandwidths;
}