X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/faedb72df7cffcf486677835fdd57d319a010bb1..HEAD:/src/surf/network_interface.hpp diff --git a/src/surf/network_interface.hpp b/src/surf/network_interface.hpp deleted file mode 100644 index 2565a14104..0000000000 --- a/src/surf/network_interface.hpp +++ /dev/null @@ -1,223 +0,0 @@ -/* Copyright (c) 2004-2018. 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/Resource.hpp" -#include "simgrid/s4u/Link.hpp" -#include "src/kernel/lmm/maxmin.hpp" -#include "src/surf/PropertyHolder.hpp" -#include "src/surf/surf_interface.hpp" -#include "xbt/base.h" - -#include -#include - -/*********** - * Classes * - ***********/ - -namespace simgrid { -namespace surf { -/********* - * 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 kernel::resource::Model { -public: - /** @brief Constructor */ - NetworkModel() : Model() {} - - /** @brief Destructor */ - ~NetworkModel() override; - - /** - * @brief Create a Link - * - * @param name The name of the Link - * @param bandwidth The initial bandwidth of the Link in bytes per second - * @param latency The initial latency of the Link in seconds - * @param policy The sharing policy of the Link - */ - virtual LinkImpl* createLink(const std::string& name, double bandwidth, double latency, - e_surf_link_sharing_policy_t policy) = 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 kernel::resource::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 latencyFactor(double size); - - /** - * @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 bandwidthFactor(double size); - - /** - * @brief Get definitive bandwidth. - * @details It gives the minimum bandwidth between the one that would - * occur if no limitation was enforced, and the one arbitrary limited. - * @param rate The desired maximum bandwidth. - * @param bound The bandwidth with only the network taken into account. - * @param size The size of the message. - * @return The new bandwidth. - */ - virtual double bandwidthConstraint(double rate, double bound, double size); - double next_occuring_event_full(double now) override; - - LinkImpl* loopback_ = nullptr; -}; - -/************ - * Resource * - ************/ -/** @ingroup SURF_network_interface - * @brief SURF network link interface class - * @details A Link represents the link between two [hosts](\ref simgrid::surf::HostImpl) - */ -class LinkImpl : public simgrid::kernel::resource::Resource, public simgrid::surf::PropertyHolder { -protected: - LinkImpl(simgrid::surf::NetworkModel* model, const std::string& name, kernel::lmm::Constraint* constraint); - ~LinkImpl() override; - -public: - void destroy(); // Must be called instead of the destructor -private: - bool currentlyDestroying_ = false; - -public: - /** @brief Public interface */ - s4u::Link piface_; - - /** @brief Get the bandwidth in bytes per second of current Link */ - virtual double bandwidth(); - - /** @brief Update the bandwidth in bytes per second of current Link */ - virtual void setBandwidth(double value) = 0; - - /** @brief Get the latency in seconds of current Link */ - virtual double latency(); - - /** @brief Update the latency in seconds of current Link */ - virtual void setLatency(double value) = 0; - - /** @brief The sharing policy is a @{link e_surf_link_sharing_policy_t::EType} (0: FATPIPE, 1: SHARED, 2: - * SPLITDUPLEX) */ - virtual int sharingPolicy(); - - /** @brief Check if the Link is used */ - bool isUsed() override; - - void turnOn() override; - void turnOff() override; - - virtual void setStateTrace(tmgr_trace_t trace); /*< setup the trace file with states events (ON or OFF). - Trace must contain boolean values. */ - virtual void setBandwidthTrace( - tmgr_trace_t trace); /*< setup the trace file with bandwidth events (peak speed changes due to external load). - Trace must contain percentages (value between 0 and 1). */ - virtual void setLatencyTrace( - tmgr_trace_t trace); /*< setup the trace file with latency events (peak latency changes due to external load). - Trace must contain absolute values */ - - tmgr_trace_event_t stateEvent_ = nullptr; - Metric latency_ = {1.0, 0, nullptr}; - Metric bandwidth_ = {1.0, 0, nullptr}; - - /* User data */ - void* getData() { return userData; } - void setData(void* d) { userData = d; } -private: - void* userData = nullptr; - - /* List of all links. FIXME: should move to the Engine */ - static std::unordered_map* links; - -public: - static LinkImpl* byName(std::string name); - static int linksCount(); - static LinkImpl** linksList(); - static void linksList(std::vector* linkList); - static void linksExit(); -}; - -/********** - * 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 simgrid::kernel::resource::Action { -public: - /** @brief Constructor - * - * @param model The NetworkModel associated to this NetworkAction - * @param cost The cost of this NetworkAction in [TODO] - * @param failed [description] - */ - NetworkAction(simgrid::kernel::resource::Model* model, double cost, bool failed) - : simgrid::kernel::resource::Action(model, cost, failed) - { - } - - /** - * @brief NetworkAction constructor - * - * @param model The NetworkModel associated to this NetworkAction - * @param cost The cost of this NetworkAction in [TODO] - * @param failed [description] - * @param var The lmm variable associated to this Action if it is part of a LMM component - */ - NetworkAction(simgrid::kernel::resource::Model* model, double cost, bool failed, kernel::lmm::Variable* var) - : simgrid::kernel::resource::Action(model, cost, failed, var){}; - - void set_state(simgrid::kernel::resource::Action::State state) override; - virtual std::list links(); - - double latency_ = {}; - double latCurrent_ = {}; - double weight_ = {}; - double rate_ = {}; -}; -} -} - -#endif /* SURF_NETWORK_INTERFACE_HPP_ */ - -