+++ /dev/null
-/* Copyright (c) 2004-2021. 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. */
-
-#ifndef SURF_NETWORK_INTERFACE_HPP_
-#define SURF_NETWORK_INTERFACE_HPP_
-
-#include "simgrid/kernel/resource/Model.hpp"
-#include "simgrid/kernel/resource/NetworkModelIntf.hpp"
-#include "simgrid/s4u/Link.hpp"
-#include "src/kernel/lmm/maxmin.hpp"
-#include "src/kernel/resource/Resource.hpp"
-#include "src/surf/LinkImpl.hpp"
-#include "xbt/PropertyHolder.hpp"
-
-#include <list>
-#include <unordered_map>
-
-/***********
- * Classes *
- ***********/
-
-namespace simgrid {
-namespace kernel {
-namespace resource {
-/*********
- * Model *
- *********/
-
-/** @ingroup SURF_network_interface
- * @brief SURF network model interface class
- * @details A model is an object which handles the interactions between its Resources and its Actions
- */
-class NetworkModel : public Model, public NetworkModelIntf {
-public:
- static config::Flag<double> cfg_tcp_gamma;
- static config::Flag<bool> cfg_crosstraffic;
-
- using Model::Model;
- NetworkModel(const NetworkModel&) = delete;
- NetworkModel& operator=(const NetworkModel&) = delete;
- ~NetworkModel() override;
-
- /**
- * @brief Create a [WiFi]Link
- *
- * @param name The name of the Link
- * @param bandwidths The vector of bandwidths of the Link in bytes per second
- */
- virtual LinkImpl* create_link(const std::string& name, const std::vector<double>& bandwidths) = 0;
-
- virtual LinkImpl* create_wifi_link(const std::string& name, const std::vector<double>& bandwidths) = 0;
-
- /**
- * @brief Create a communication between two hosts.
- * @details It makes calls to the routing part, and execute the communication between the two end points.
- *
- * @param src The source of the communication
- * @param dst The destination of the communication
- * @param size The size of the communication in bytes
- * @param rate Allows to limit the transfer rate. Negative value means unlimited.
- * @return The action representing the communication
- */
- virtual Action* communicate(s4u::Host* src, s4u::Host* dst, double size, double rate) = 0;
-
- /**
- * @brief Get the right multiplicative factor for the latency.
- * @details Depending on the model, the effective latency when sending a message might be different from the
- * theoretical latency of the link, in function of the message size. In order to account for this, this function gets
- * this factor.
- *
- * @param size The size of the message.
- * @return The latency factor.
- */
- virtual double get_latency_factor(double /* size */) { return sg_latency_factor; }
-
- /**
- * @brief Get the right multiplicative factor for the bandwidth.
- * @details Depending on the model, the effective bandwidth when sending a message might be different from the
- * theoretical bandwidth of the link, in function of the message size. In order to account for this, this function
- * gets this factor.
- *
- * @param size The size of the message.
- * @return The bandwidth factor.
- */
- virtual double get_bandwidth_factor(double /* size*/) { return sg_bandwidth_factor; }
-
- double next_occurring_event_full(double now) override;
-
- void set_lat_factor_cb(const std::function<NetworkFactorCb>& cb) override { THROW_UNIMPLEMENTED; }
- void set_bw_factor_cb(const std::function<NetworkFactorCb>& cb) override { THROW_UNIMPLEMENTED; }
-
- LinkImpl* loopback_ = nullptr;
-};
-
-/**********
- * Action *
- **********/
-/** @ingroup SURF_network_interface
- * @brief SURF network action interface class
- * @details A NetworkAction represents a communication between two [hosts](@ref HostImpl)
- */
-class NetworkAction : public Action {
- s4u::Host& src_;
- s4u::Host& dst_;
-
-public:
- /** @brief Constructor
- *
- * @param model The NetworkModel associated to this NetworkAction
- * @param cost The cost of this NetworkAction in [TODO]
- * @param failed [description]
- */
- NetworkAction(Model* model, s4u::Host& src, s4u::Host& dst, double cost, bool failed)
- : Action(model, cost, failed), src_(src), dst_(dst)
- {
- }
-
- /**
- * @brief NetworkAction constructor
- *
- * @param model The NetworkModel associated to this NetworkAction
- * @param cost The cost of this NetworkAction in bytes
- * @param failed Actions can be created in a failed state
- * @param var The lmm variable associated to this Action if it is part of a LMM component
- */
- NetworkAction(Model* model, s4u::Host& src, s4u::Host& dst, double cost, bool failed, lmm::Variable* var)
- : Action(model, cost, failed, var), src_(src), dst_(dst){};
-
- void set_state(Action::State state) override;
- virtual std::list<LinkImpl*> get_links() const;
-
- double latency_ = 0.; // Delay before the action starts
- double lat_current_ = 0.; // Used to compute the communication RTT, and accordingly limit the communication rate
- double sharing_penalty_ = {};
-
- s4u::Host& get_src() const { return src_; }
- s4u::Host& get_dst() const { return dst_; }
-};
-
-/* Insert link(s) at the end of vector `result' (at the beginning, and reversed, for insert_link_latency()), and add
- * link->get_latency() to *latency when latency is not null
- */
-void add_link_latency(std::vector<LinkImpl*>& result, LinkImpl* link, double* latency);
-void add_link_latency(std::vector<LinkImpl*>& result, const std::vector<LinkImpl*>& links, double* latency);
-void insert_link_latency(std::vector<LinkImpl*>& result, const std::vector<LinkImpl*>& links, double* latency);
-
-} // namespace resource
-} // namespace kernel
-} // namespace simgrid
-
-#endif /* SURF_NETWORK_INTERFACE_HPP_ */
