X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/f89671e0bd7450461d70d5ced6079123e73c2a63..9c78faf166ce0a2b668a4bdc5e95b21132d5b359:/src/surf/network_wifi.hpp?ds=sidebyside

diff --git a/src/surf/network_wifi.hpp b/src/surf/network_wifi.hpp
index c84527bfc3..ef07cb4d4f 100644
--- a/src/surf/network_wifi.hpp
+++ b/src/surf/network_wifi.hpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2019. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2019-2020. 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. */
@@ -26,18 +26,33 @@ class NetworkWifiLink : public LinkImpl {
   /** @brief A link can have several bandwith attach to it (mostly use by wifi model) */
   std::vector<Metric> bandwidths_;
 
+  /** @brief Should we use the decay model ? */
+  bool use_decay_model_=false;
+  /** @brief Wifi ns-3 802.11n average bit rate */
+  const double wifi_max_rate_=54*1e6 / 8;
+  /** @brief ns-3 802.11n minimum bit rate */
+  const double wifi_min_rate_=41.70837*1e6 / 8;
+  /** @brief Decay model calibration */
+  const int model_n_=5;
+  /** @brief Decay model calibration: bitrate when using model_n_ stations */
+  const double model_rate_=42.61438*1e6 / 8;
+  /** @brief Decay model bandwidths */
+  std::vector<Metric> decay_bandwidths_;
+
 public:
   NetworkWifiLink(NetworkCm02Model* model, const std::string& name, std::vector<double> bandwidths,
                   lmm::System* system);
 
-  void set_host_rate(s4u::Host* host, int rate_level);
+  void set_host_rate(const s4u::Host* host, int rate_level);
   /** @brief Get the AP rate associated to the host (or -1 if not associated to the AP) */
-  double get_host_rate(s4u::Host* host);
+  double get_host_rate(const s4u::Host* host);
 
   s4u::Link::SharingPolicy get_sharing_policy() override;
   void apply_event(kernel::profile::Event*, double) override { THROW_UNIMPLEMENTED; }
   void set_bandwidth(double) override { THROW_UNIMPLEMENTED; }
   void set_latency(double) override { THROW_UNIMPLEMENTED; }
+  void refresh_decay_bandwidths();
+  bool toggle_decay_model();
 };
 
 } // namespace resource