-/* Copyright (c) 2019-2020. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2019-2021. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
void NetworkWifiLink::set_host_rate(const s4u::Host* host, int rate_level)
{
auto insert_done = host_rates_.insert(std::make_pair(host->get_name(), rate_level));
- if (insert_done.second == false)
+ if (not insert_done.second)
insert_done.first->second = rate_level;
// Each time we add a host, we refresh the decay model
refresh_decay_bandwidths();
}
-double NetworkWifiLink::get_host_rate(const s4u::Host* host)
+double NetworkWifiLink::get_host_rate(const s4u::Host* host) const
{
- std::map<xbt::string, int>::iterator host_rates_it;
- host_rates_it = host_rates_.find(host->get_name());
+ auto host_rates_it = host_rates_.find(host->get_name());
if (host_rates_it == host_rates_.end())
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;
}
-s4u::Link::SharingPolicy NetworkWifiLink::get_sharing_policy()
+s4u::Link::SharingPolicy NetworkWifiLink::get_sharing_policy() const
{
return s4u::Link::SharingPolicy::WIFI;
}
+int NetworkWifiLink::get_host_count() const
+{
+ return static_cast<int>(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_){
+ for (auto const& bandwidth : bandwidths_) {
// Instantiate decay model relatively to the actual bandwidth
double max_bw=bandwidth.peak;
double min_bw=bandwidth.peak-(wifi_max_rate_-wifi_min_rate_);