X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/0fa053f89a0b5f34a050f4790925d9d63ac11073..60037b3f9ba9d856ccebf7a2211b51b82f4a557a:/src/surf/network_interface.hpp diff --git a/src/surf/network_interface.hpp b/src/surf/network_interface.hpp index 82981510c3..0d92c8dbf3 100644 --- a/src/surf/network_interface.hpp +++ b/src/surf/network_interface.hpp @@ -1,4 +1,4 @@ -/* Copyright (c) 2004-2018. The SimGrid Team. All rights reserved. */ +/* Copyright (c) 2004-2019. 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. */ @@ -10,8 +10,7 @@ #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/trace_mgr.hpp" +#include #include #include @@ -33,10 +32,12 @@ namespace resource { */ class NetworkModel : public Model { public: - static simgrid::config::Flag cfg_tcp_gamma; - static simgrid::config::Flag cfg_crosstraffic; + static config::Flag cfg_tcp_gamma; + static config::Flag cfg_crosstraffic; explicit NetworkModel(Model::UpdateAlgo algo) : Model(algo) {} + NetworkModel(const NetworkModel&) = delete; + NetworkModel& operator=(const NetworkModel&) = delete; ~NetworkModel() override; /** @@ -47,58 +48,54 @@ public: * @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; + virtual LinkImpl* create_link(const std::string& name, const std::vector& bandwidths, double latency, + s4u::Link::SharingPolicy 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. + * @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. + * @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. + * @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); + virtual double get_latency_factor(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. + * @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); + virtual double get_bandwidth_factor(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. + * @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; + virtual double get_bandwidth_constraint(double rate, double bound, double size); + double next_occurring_event_full(double now) override; LinkImpl* loopback_ = nullptr; }; @@ -108,37 +105,38 @@ public: ************/ /** @ingroup SURF_network_interface * @brief SURF network link interface class - * @details A Link represents the link between two [hosts](\ref simgrid::surf::HostImpl) + * @details A Link represents the link between two [hosts](@ref simgrid::surf::HostImpl) */ -class LinkImpl : public Resource, public simgrid::surf::PropertyHolder { +class LinkImpl : public Resource, public xbt::PropertyHolder { + bool currently_destroying_ = false; + s4u::Link piface_; + protected: LinkImpl(NetworkModel* model, const std::string& name, lmm::Constraint* constraint); + LinkImpl(const LinkImpl&) = delete; + LinkImpl& operator=(const LinkImpl&) = delete; ~LinkImpl() override; public: void destroy(); // Must be called instead of the destructor -private: - bool currentlyDestroying_ = false; -public: /** @brief Public interface */ - s4u::Link piface_; + s4u::Link* get_iface() { return &piface_; } /** @brief Get the bandwidth in bytes per second of current Link */ - virtual double bandwidth(); + virtual double get_bandwidth(); /** @brief Update the bandwidth in bytes per second of current Link */ - virtual void setBandwidth(double value) = 0; + virtual void set_bandwidth(double value) = 0; /** @brief Get the latency in seconds of current Link */ - virtual double latency(); + virtual double get_latency(); /** @brief Update the latency in seconds of current Link */ - virtual void setLatency(double value) = 0; + virtual void set_latency(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 The sharing policy */ + virtual s4u::Link::SharingPolicy get_sharing_policy(); /** @brief Check if the Link is used */ bool is_used() override; @@ -146,34 +144,19 @@ public: void turn_on() override; void turn_off() 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}; + void on_bandwidth_change(); - /* User data */ - void* getData() { return userData; } - void setData(void* d) { userData = d; } -private: - void* userData = nullptr; + virtual void + set_bandwidth_profile(kernel::profile::Profile* profile); /*< setup the profile file with bandwidth events + (peak speed changes due to external load). Trace must + contain percentages (value between 0 and 1). */ + virtual void + set_latency_profile(kernel::profile::Profile* profile); /*< setup the trace file with latency events (peak + latency changes due to external load). Trace must contain + absolute values */ - /* 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(); + Metric latency_ = {0.0, 0, nullptr}; + Metric bandwidth_ = {1.0, 0, nullptr}; }; /********** @@ -181,7 +164,7 @@ public: **********/ /** @ingroup SURF_network_interface * @brief SURF network action interface class - * @details A NetworkAction represents a communication between two [hosts](\ref HostImpl) + * @details A NetworkAction represents a communication between two [hosts](@ref simgrid::surf::HostImpl) */ class NetworkAction : public Action { public: @@ -204,18 +187,19 @@ public: NetworkAction(Model* model, double cost, bool failed, lmm::Variable* var) : Action(model, cost, failed, var){}; void set_state(Action::State state) override; - virtual std::list links(); + virtual std::list links() const; double latency_ = {}; double lat_current_ = {}; - double weight_ = {}; + double sharing_penalty_ = {}; double rate_ = {}; }; -} -} +} // namespace resource +} // namespace kernel } // namespace simgrid -/** \ingroup SURF_models - * \brief The network model + +/** @ingroup SURF_models + * @brief The network model */ XBT_PUBLIC_DATA simgrid::kernel::resource::NetworkModel* surf_network_model;