X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/1bd3b1e9e02dd5662a771c1b382cfa1d1d9a2e08..1ca34b76da924ef9743ce07316d18e69ba45374f:/src/surf/network_interface.hpp diff --git a/src/surf/network_interface.hpp b/src/surf/network_interface.hpp index 5e26f23832..8caa9df504 100644 --- a/src/surf/network_interface.hpp +++ b/src/surf/network_interface.hpp @@ -24,300 +24,236 @@ ***********/ namespace simgrid { -namespace surf { + namespace surf { -class NetworkModel; -class NetworkAction; + class NetworkAction; -/************* - * Callbacks * - *************/ + /** @brief Callback signal fired when the state of a NetworkAction changes + * Signature: `void(NetworkAction *action, simgrid::surf::Action::State old, simgrid::surf::Action::State current)` */ + XBT_PUBLIC_DATA(simgrid::xbt::signal) networkActionStateChangedCallbacks; - -/** @brief Callback signal fired when the state of a NetworkAction changes - * Signature: `void(NetworkAction *action, e_surf_action_state_t old, e_surf_action_state_t current)` */ -XBT_PUBLIC_DATA(simgrid::xbt::signal) networkActionStateChangedCallbacks; - -/** @brief Callback signal fired when a NetworkAction is created (when a communication starts) - * Signature: `void(NetworkAction *action, RoutingEdge *src, RoutingEdge *dst, double size, double rate)` */ -XBT_PUBLIC_DATA(simgrid::xbt::signal) networkCommunicateCallbacks; - -} + } } - -/********* - * Tools * - *********/ -XBT_PUBLIC(void) netlink_parse_init(sg_platf_link_cbarg_t link); - /********* * Model * *********/ namespace simgrid { -namespace surf { - -/** @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: - /** @brief Constructor */ - NetworkModel() : Model() { } - - /** @brief Destructor */ - ~NetworkModel() { - if (p_maxminSystem) - lmm_system_free(p_maxminSystem); - if (p_actionHeap) - xbt_heap_free(p_actionHeap); - if (p_modifiedSet) - delete p_modifiedSet; + namespace surf { + + /** @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: + /** @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 + * @param props Dictionary of properties associated to this Link + */ + virtual Link* createLink(const char *name, double bandwidth, double latency, + e_surf_link_sharing_policy_t policy, xbt_dict_t properties)=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(routing::NetCard *src, routing::NetCard *dst, double size, double rate)=0; + + /** @brief Function pointer to the function to use to solve the lmm_system_t + * + * @param system The lmm_system_t to solve + */ + void (*f_networkSolve)(lmm_system_t) = lmm_solve; + + /** + * @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; + }; + + /************ + * 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 Link : + public simgrid::surf::Resource, + public simgrid::surf::PropertyHolder { + public: + + /** @brief Constructor of non-LMM links */ + Link(simgrid::surf::NetworkModel *model, const char *name, xbt_dict_t props); + /** @brief Constructor of LMM links */ + Link(simgrid::surf::NetworkModel *model, const char *name, xbt_dict_t props, lmm_constraint_t constraint); + + /* Link destruction logic */ + /**************************/ + protected: + ~Link() override; + public: + void destroy(); // Must be called instead of the destructor + private: + bool currentlyDestroying_ = false; + + public: + /** @brief Callback signal fired when a new Link is created. + * Signature: void(Link*) */ + static simgrid::xbt::signal onCreation; + + /** @brief Callback signal fired when a Link is destroyed. + * Signature: void(Link*) */ + static simgrid::xbt::signal onDestruction; + + /** @brief Callback signal fired when the state of a Link changes (when it is turned on or off) + * Signature: `void(Link*)` */ + static simgrid::xbt::signal onStateChange; + + /** @brief Callback signal fired when a communication starts + * Signature: `void(NetworkAction *action, RoutingEdge *src, RoutingEdge *dst)` */ + static simgrid::xbt::signal onCommunicate; + + + + /** @brief Get the bandwidth in bytes per second of current Link */ + virtual double getBandwidth(); + + /** @brief Update the bandwidth in bytes per second of current Link */ + virtual void updateBandwidth(double value)=0; + + /** @brief Get the latency in seconds of current Link */ + virtual double getLatency(); + + /** @brief Update the latency in seconds of current Link */ + virtual void updateLatency(double value)=0; + + /** @brief The sharing policy is a @{link e_surf_link_sharing_policy_t::EType} (0: FATPIPE, 1: SHARED, 2: FULLDUPLEX) */ + 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_iterator_t m_stateEvent = nullptr; + s_surf_metric_t m_latency = {1.0,0,nullptr}; + s_surf_metric_t m_bandwidth = {1.0,0,nullptr}; + + /* User data */ + public: + void *getData() { return userData;} + void setData(void *d) { userData=d;} + private: + void *userData = nullptr; + + /* List of all links */ + private: + static boost::unordered_map *links; + public: + static Link *byName(const char* name); + static int linksCount(); + static Link **linksList(); + 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::surf::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::surf::Model *model, double cost, bool failed) + : simgrid::surf::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::surf::Model *model, double cost, bool failed, lmm_variable_t var) + : simgrid::surf::Action(model, cost, failed, var) {}; + + void setState(simgrid::surf::Action::State state) override; + + double latency_; + double latCurrent_; + double weight_; + double rate_; + const char* senderLinkName_; + double senderSize_; + xbt_fifo_item_t senderFifoItem_; + }; } - - /** - * @brief Create a Link - * - * @param name The name of the Link - * @param bw_initial The initial bandwidth of the Link in bytes per second - * @param bw_trace The trace associated to the Link bandwidth - * @param lat_initial The initial latency of the Link in seconds - * @param lat_trace The trace associated to the Link latency - * @param initiallyOn The initial Link (state)[e_surf_resource_state_t] - * @param state_trace The trace associated to the Link (state)[e_surf_resource_state_t] - * @param policy The sharing policy of the Link - * @param properties Dictionary of properties associated to this Resource - * @return The created Link - */ - virtual Link* createLink(const char *name, - double bw_initial, - tmgr_trace_t bw_trace, - double lat_initial, - tmgr_trace_t lat_trace, - int initiallyOn, - tmgr_trace_t state_trace, - e_surf_link_sharing_policy_t policy, - xbt_dict_t properties)=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(NetCard *src, NetCard *dst, - double size, double rate)=0; - - /** @brief Function pointer to the function to use to solve the lmm_system_t - * - * @param system The lmm_system_t to solve - */ - void (*f_networkSolve)(lmm_system_t) = lmm_solve; - - /** - * @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 shareResourcesFull(double now); -}; - -/************ - * Resource * - ************/ - /** @ingroup SURF_network_interface - * @brief SURF network link interface class - * @details A Link represents the link between two [hosts](\ref Host) - */ -class Link : - public simgrid::surf::Resource, - public simgrid::surf::PropertyHolder { -public: - /** - * @brief Link constructor - * - * @param model The NetworkModel associated to this Link - * @param name The name of the Link - * @param props Dictionary of properties associated to this Link - */ - Link(simgrid::surf::NetworkModel *model, const char *name, xbt_dict_t props); - - /** - * @brief Link constructor - * - * @param model The NetworkModel associated to this Link - * @param name The name of the Link - * @param props Dictionary of properties associated to this Link - * @param constraint The lmm constraint associated to this Cpu if it is part of a LMM component - * @param fes Future Event Set in which our events must be registered - * @param state_trace [TODO] - */ - Link(simgrid::surf::NetworkModel *model, const char *name, xbt_dict_t props, - lmm_constraint_t constraint, - sg_future_evt_set_t fes, - tmgr_trace_t state_trace); - - /* Link destruction logic */ - /**************************/ -protected: - ~Link(); -public: - void destroy(); // Must be called instead of the destructor -private: - bool currentlyDestroying_ = false; - -public: - /** @brief Callback signal fired when a new Link is created. - * Signature: void(Link*) */ - static simgrid::xbt::signal onCreation; - - /** @brief Callback signal fired when a Link is destroyed. - * Signature: void(Link*) */ - static simgrid::xbt::signal onDestruction; - - /** @brief Callback signal fired when the state of a Link changes - * Signature: `void(LinkAction *action, int previouslyOn, int currentlyOn)` */ - static simgrid::xbt::signal onStateChange; - - - /** @brief Get the bandwidth in bytes per second of current Link */ - virtual double getBandwidth(); - - /** @brief Update the bandwidth in bytes per second of current Link */ - virtual void updateBandwidth(double value, double date=surf_get_clock())=0; - - /** @brief Get the latency in seconds of current Link */ - virtual double getLatency(); - - /** @brief Update the latency in seconds of current Link */ - virtual void updateLatency(double value, double date=surf_get_clock())=0; - - /** @brief The sharing policy is a @{link e_surf_link_sharing_policy_t::EType} (0: FATPIPE, 1: SHARED, 2: FULLDUPLEX) */ - virtual int sharingPolicy(); - - /** @brief Check if the Link is used */ - bool isUsed() override; - - void turnOn() override; - void turnOff() override; - - /* Using this object with the public part of - model does not make sense */ - double m_latCurrent = 0; - tmgr_trace_iterator_t p_latEvent = NULL; - - /* LMM */ - tmgr_trace_iterator_t p_stateEvent = NULL; - s_surf_metric_t p_speed; - - /* User data */ -public: - void *getData() { return userData;} - void setData(void *d) { userData=d;} -private: - void *userData = NULL; - - /* List of all links */ -private: - static boost::unordered_map *links; -public: - static Link *byName(const char* name); - static int linksCount(); - static Link **linksList(); - static void linksExit(); -}; - -/********** - * Action * - **********/ -/** @ingroup SURF_network_interface - * @brief SURF network action interface class - * @details A NetworkAction represents a communication between two [hosts](\ref Host) - */ -class NetworkAction : public simgrid::surf::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::surf::Model *model, double cost, bool failed) - : simgrid::surf::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::surf::Model *model, double cost, bool failed, lmm_variable_t var) - : simgrid::surf::Action(model, cost, failed, var) {}; - - void setState(e_surf_action_state_t state); - -#ifdef HAVE_LATENCY_BOUND_TRACKING - /** - * @brief Check if the action is limited by latency. - * - * @return 1 if action is limited by latency, 0 otherwise - */ - virtual int getLatencyLimited() {return m_latencyLimited;} -#endif - - double m_latency; - double m_latCurrent; - double m_weight; - double m_rate; - const char* p_senderLinkName; - double m_senderSize; - xbt_fifo_item_t p_senderFifoItem; -#ifdef HAVE_LATENCY_BOUND_TRACKING - int m_latencyLimited; -#endif - -}; - -} } #endif /* SURF_NETWORK_INTERFACE_HPP_ */