X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/a8175c21a299a621a7cba1803830ae2034369d9b..3dbeba193df2e406bd9eff5be73c8bce0db0185e:/src/surf/network_interface.hpp diff --git a/src/surf/network_interface.hpp b/src/surf/network_interface.hpp index b184770935..b532f72be4 100644 --- a/src/surf/network_interface.hpp +++ b/src/surf/network_interface.hpp @@ -3,7 +3,7 @@ /* 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. */ - +#include "xbt/fifo.h" #include "surf_interface.hpp" #include "surf_routing.hpp" @@ -27,41 +27,48 @@ typedef NetworkAction *NetworkActionPtr; *************/ /** @ingroup SURF_callbacks - * @brief Callbacks handler which emit the callbacks after NetworkLink creation * + * @brief Callbacks handler which emits the callbacks after NetworkLink creation * @details Callback functions have the following signature: `void(NetworkLinkPtr)` */ -extern surf_callback(void, NetworkLinkPtr) networkLinkCreatedCallbacks; +XBT_PUBLIC_DATA( surf_callback(void, NetworkLinkPtr)) networkLinkCreatedCallbacks; /** @ingroup SURF_callbacks - * @brief Callbacks handler which emit the callbacks after NetworkLink destruction * + * @brief Callbacks handler which emits the callbacks after NetworkLink destruction * @details Callback functions have the following signature: `void(NetworkLinkPtr)` */ -extern surf_callback(void, NetworkLinkPtr) networkLinkDestructedCallbacks; +XBT_PUBLIC_DATA( surf_callback(void, NetworkLinkPtr)) networkLinkDestructedCallbacks; /** @ingroup SURF_callbacks - * @brief Callbacks handler which emit the callbacks after NetworkLink State changed * - * @details Callback functions have the following signature: `void(NetworkLinkActionPtr)` + * @brief Callbacks handler which emits the callbacks after NetworkLink State changed + * @details Callback functions have the following signature: `void(NetworkLinkActionPtr action, e_surf_resource_state_t old, e_surf_resource_state_t current)` */ -extern surf_callback(void, NetworkLinkPtr) networkLinkStateChangedCallbacks; +XBT_PUBLIC_DATA( surf_callback(void, NetworkLinkPtr, e_surf_resource_state_t, e_surf_resource_state_t)) networkLinkStateChangedCallbacks; /** @ingroup SURF_callbacks - * @brief Callbacks handler which emit the callbacks after NetworkAction State changed * - * @details Callback functions have the following signature: `void(NetworkActionPtr)` + * @brief Callbacks handler which emits the callbacks after NetworkAction State changed + * @details Callback functions have the following signature: `void(NetworkActionPtr action, e_surf_action_state_t old, e_surf_action_state_t current)` */ -extern surf_callback(void, NetworkActionPtr) networkActionStateChangedCallbacks; +XBT_PUBLIC_DATA( surf_callback(void, NetworkActionPtr, e_surf_action_state_t, e_surf_action_state_t)) networkActionStateChangedCallbacks; + +/** @ingroup SURF_callbacks + * @brief Callbacks handler which emits the callbacks after communication created + * @details Callback functions have the following signature: `void(NetworkActionPtr action, RoutingEdgePtr src, RoutingEdgePtr dst, double size, double rate)` + */ +XBT_PUBLIC_DATA( surf_callback(void, NetworkActionPtr, RoutingEdgePtr src, RoutingEdgePtr dst, double size, double rate)) networkCommunicateCallbacks; /********* * Tools * *********/ +XBT_PUBLIC(void) netlink_parse_init(sg_platf_link_cbarg_t link); -void net_define_callbacks(void); +XBT_PUBLIC(void) net_add_traces(); /********* * Model * *********/ /** @ingroup SURF_network_interface * @brief SURF network model interface class - * @details A model is an object which handle the interactions between its Resources and its Actions + * @details A model is an object which handles the interactions between its Resources and its Actions */ class NetworkModel : public Model { public: @@ -69,11 +76,12 @@ public: * @brief NetworkModel constructor */ NetworkModel() : Model("network") { + f_networkSolve = lmm_solve; }; /** * @brief NetworkModel constructor - * + * * @param name The name of the NetworkModel */ NetworkModel(const char *name) : Model(name) { @@ -95,19 +103,19 @@ public: /** * @brief Create a NetworkLink - * + * * @param name The name of the NetworkLink * @param bw_initial The initial bandwidth of the NetworkLink in bytes per second - * @param bw_trace The trace associated to the NetworkLink bandwidth [TODO] + * @param bw_trace The trace associated to the NetworkLink bandwidth * @param lat_initial The initial latency of the NetworkLink in seconds - * @param lat_trace The trace associated to the NetworkLink latency [TODO] + * @param lat_trace The trace associated to the NetworkLink latency * @param state_initial The initial NetworkLink (state)[e_surf_resource_state_t] - * @param state_trace The trace associated to the NetworkLink (state)[e_surf_resource_state_t] [TODO] + * @param state_trace The trace associated to the NetworkLink (state)[e_surf_resource_state_t] * @param policy The sharing policy of the NetworkLink * @param properties Dictionary of properties associated to this Resource * @return The created NetworkLink */ - virtual NetworkLinkPtr createResource(const char *name, + virtual NetworkLinkPtr createNetworkLink(const char *name, double bw_initial, tmgr_trace_t bw_trace, double lat_initial, @@ -117,68 +125,65 @@ public: e_surf_link_sharing_policy_t policy, xbt_dict_t properties)=0; - virtual void gapAppend(double /*size*/, const NetworkLinkPtr /*link*/, NetworkActionPtr /*action*/) {}; /** - * @brief Create a communication between two [TODO] - * @details [TODO] - * - * @param src The source [TODO] - * @param dst The destination [TODO] + * @brief Create a communication between two workstations. + * @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 The + * @param rate Allows to limit the transfer rate. Negative value means + * unlimited. * @return The action representing the communication */ virtual ActionPtr communicate(RoutingEdgePtr src, RoutingEdgePtr dst, double size, double rate)=0; - /** - * @brief Get the route between two RoutingEdge - * @details [TODO] - * - * @param src [TODO] - * @param dst [TODO] - * - * @return A xbt_dynar_t of [TODO] - */ - virtual xbt_dynar_t getRoute(RoutingEdgePtr src, RoutingEdgePtr dst); //FIXME: kill field? That is done by the routing nowadays - /** * @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); /** - * @brief [brief description] - * @details [long description] - * - * @param size [description] - * @return [description] + * @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 [brief description] - * @details [long description] - * - * @param size [description] - * @return [description] + * @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 [brief description] - * @details [long description] - * - * @param rate [description] - * @param bound [description] - * @param size [description] - * @return [description] + * @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); bool m_haveGap; }; @@ -187,14 +192,14 @@ public: ************/ /** @ingroup SURF_network_interface * @brief SURF network link interface class - * @details A NetworkLink represent the link between two [Workstations](\ref Workstation) + * @details A NetworkLink represents the link between two [Workstations](\ref Workstation) */ class NetworkLink : public Resource { public: /** * @brief NetworkLink constructor - * - * @param model The CpuModel associated to this NetworkLink + * + * @param model The NetworkModel associated to this NetworkLink * @param name The name of the NetworkLink * @param props Dictionary of properties associated to this NetworkLink */ @@ -202,8 +207,8 @@ public: /** * @brief NetworkLink constructor - * - * @param model The CpuModel associated to this NetworkLink + * + * @param model The NetworkModel associated to this NetworkLink * @param name The name of the NetworkLink * @param props Dictionary of properties associated to this NetworkLink * @param constraint The lmm constraint associated to this Cpu if it is part of a LMM component @@ -211,9 +216,9 @@ public: * @param state_trace [TODO] */ NetworkLink(NetworkModelPtr model, const char *name, xbt_dict_t props, - lmm_constraint_t constraint, - tmgr_history_t history, - tmgr_trace_t state_trace); + lmm_constraint_t constraint, + tmgr_history_t history, + tmgr_trace_t state_trace); /** * @brief NetworkLink destructor @@ -222,29 +227,38 @@ public: /** * @brief Get the bandwidth in bytes per second of current NetworkLink - * + * * @return The bandwith in bytes per second of the current NetworkLink */ virtual double getBandwidth(); + /** + * @brief Update the bandwidth in bytes per second of current NetworkLink + */ + virtual void updateBandwidth(double value, double date=surf_get_clock())=0; + /** * @brief Get the latency in seconds of current NetworkLink - * + * * @return The latency in seconds of the current NetworkLink */ virtual double getLatency(); + /** + * @brief Update the latency in seconds of current NetworkLink + */ + virtual void updateLatency(double value, double date=surf_get_clock())=0; + /** * @brief Check if the NetworkLink is shared - * @details [long description] - * + * * @return true if the current NetwokrLink is shared, false otherwise */ virtual bool isShared(); /** * @brief Check if the NetworkLink is used - * + * * @return true if the current NetwokrLink is used, false otherwise */ bool isUsed(); @@ -266,13 +280,14 @@ public: **********/ /** @ingroup SURF_network_interface * @brief SURF network action interface class - * @details A NetworkAction represent a communication bettween two [Workstations](\ref Workstation) + * @details A NetworkAction represents a communication between two + * [Workstations](\ref Workstation) */ class NetworkAction : public Action { public: /** * @brief NetworkAction constructor - * + * * @param model The NetworkModel associated to this NetworkAction * @param cost The cost of this NetworkAction in [TODO] * @param failed [description] @@ -282,17 +297,27 @@ public: /** * @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 + * @param var The lmm variable associated to this Action if it is part of a + * LMM component */ NetworkAction(ModelPtr model, double cost, bool failed, lmm_variable_t var) : 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;