Add an example of wifi communication

[simgrid.git] / src / surf / network_wifi.cpp

diff --git a/src/surf/network_wifi.cpp b/src/surf/network_wifi.cpp
index 2c062cd..6d90be5 100644 (file)
--- a/src/surf/network_wifi.cpp
+++ b/src/surf/network_wifi.cpp
@@ -46,8 +46,12 @@ double NetworkWifiLink::get_host_rate(const s4u::Host* host)
     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;