X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/f2df13795e01302813a6aef10825ec7e922ce530..1bd3b1e9e02dd5662a771c1b382cfa1d1d9a2e08:/src/surf/network_interface.cpp diff --git a/src/surf/network_interface.cpp b/src/surf/network_interface.cpp index 49e4c6d248..323652b6c1 100644 --- a/src/surf/network_interface.cpp +++ b/src/surf/network_interface.cpp @@ -1,9 +1,11 @@ -/* Copyright (c) 2013-2014. The SimGrid Team. +/* Copyright (c) 2013-2015. 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. */ +#include + #include "network_interface.hpp" #include "simgrid/sg_config.h" @@ -13,20 +15,136 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_network, surf, "Logging specific to the SURF network module"); +/********* + * C API * + *********/ + +extern "C" { + +const char* sg_link_name(Link *link) { + return link->getName(); +} +Link * sg_link_by_name(const char* name) { + return Link::byName(name); +} + +int sg_link_is_shared(Link *link){ + return link->sharingPolicy(); +} +double sg_link_bandwidth(Link *link){ + return link->getBandwidth(); +} +double sg_link_latency(Link *link){ + return link->getLatency(); +} +void* sg_link_data(Link *link) { + return link->getData(); +} +void sg_link_data_set(Link *link,void *data) { + link->setData(data); +} +int sg_link_count(void) { + return Link::linksCount(); +} +Link** sg_link_list(void) { + return Link::linksList(); +} +void sg_link_exit(void) { + Link::linksExit(); +} + +} + +/***************** + * List of links * + *****************/ + +namespace simgrid { +namespace surf { + +boost::unordered_map *Link::links = new boost::unordered_map(); +Link *Link::byName(const char* name) { + Link * res = NULL; + try { + res = links->at(name); + } catch (std::out_of_range& e) {} + + return res; +} +/** @brief Returns the amount of links in the platform */ +int Link::linksCount() { + return links->size(); +} +/** @brief Returns a list of all existing links */ +Link **Link::linksList() { + Link **res = xbt_new(Link*, (int)links->size()); + int i=0; + for (auto kv : *links) { + res[i++] = kv.second; + } + return res; +} +/** @brief destructor of the static data */ +void Link::linksExit() { + for (auto kv : *links) + (kv.second)->destroy(); + delete links; +} + /************* * Callbacks * *************/ -surf_callback(void, NetworkLinkPtr) networkLinkCreatedCallbacks; -surf_callback(void, NetworkLinkPtr) networkLinkDestructedCallbacks; -surf_callback(void, NetworkLinkPtr) networkLinkStateChangedCallbacks; -surf_callback(void, NetworkActionPtr) networkActionStateChangedCallbacks; +simgrid::xbt::signal Link::onCreation; +simgrid::xbt::signal Link::onDestruction; +simgrid::xbt::signal Link::onStateChange; // signature: wasOn, currentlyOn + +simgrid::xbt::signal networkActionStateChangedCallbacks; +simgrid::xbt::signal networkCommunicateCallbacks; + +} +} + +void netlink_parse_init(sg_platf_link_cbarg_t link){ + if (link->policy == SURF_LINK_FULLDUPLEX) { + char *link_id; + link_id = bprintf("%s_UP", link->id); + surf_network_model->createLink(link_id, + link->bandwidth, + link->bandwidth_trace, + link->latency, + link->latency_trace, + link->initiallyOn, + link->state_trace, link->policy, link->properties); + xbt_free(link_id); + link_id = bprintf("%s_DOWN", link->id); + surf_network_model->createLink(link_id, + link->bandwidth, + link->bandwidth_trace, + link->latency, + link->latency_trace, + link->initiallyOn, + link->state_trace, link->policy, link->properties); + xbt_free(link_id); + } else { + surf_network_model->createLink(link->id, + link->bandwidth, + link->bandwidth_trace, + link->latency, + link->latency_trace, + link->initiallyOn, + link->state_trace, link->policy, link->properties); + } +} /********* * Model * *********/ -NetworkModelPtr surf_network_model = NULL; +simgrid::surf::NetworkModel *surf_network_model = NULL; + +namespace simgrid { +namespace surf { double NetworkModel::latencyFactor(double /*size*/) { return sg_latency_factor; @@ -40,57 +158,110 @@ double NetworkModel::bandwidthConstraint(double rate, double /*bound*/, double / return rate; } +double NetworkModel::shareResourcesFull(double now) +{ + NetworkAction *action = NULL; + ActionList *runningActions = surf_network_model->getRunningActionSet(); + double minRes; + + minRes = shareResourcesMaxMin(runningActions, surf_network_model->p_maxminSystem, surf_network_model->f_networkSolve); + + for(ActionList::iterator it(runningActions->begin()), itend(runningActions->end()) + ; it != itend ; ++it) { + action = static_cast(&*it); +#ifdef HAVE_LATENCY_BOUND_TRACKING + if (lmm_is_variable_limited_by_latency(action->getVariable())) { + action->m_latencyLimited = 1; + } else { + action->m_latencyLimited = 0; + } +#endif + if (action->m_latency > 0) { + minRes = (minRes < 0) ? action->m_latency : std::min(minRes, action->m_latency); + } + } + + XBT_DEBUG("Min of share resources %f", minRes); + + return minRes; +} + /************ * Resource * ************/ -NetworkLink::NetworkLink(NetworkModelPtr model, const char *name, xbt_dict_t props) -: Resource(model, name, props) -, p_latEvent(NULL) +Link::Link(simgrid::surf::NetworkModel *model, const char *name, xbt_dict_t props) +: Resource(model, name), + PropertyHolder(props) { - surf_callback_emit(networkLinkCreatedCallbacks, this); + links->insert({name, this}); + + XBT_DEBUG("Create link '%s'",name); } -NetworkLink::NetworkLink(NetworkModelPtr model, const char *name, xbt_dict_t props, +Link::Link(simgrid::surf::NetworkModel *model, const char *name, xbt_dict_t props, lmm_constraint_t constraint, - tmgr_history_t history, + sg_future_evt_set_t fes, tmgr_trace_t state_trace) -: Resource(model, name, props, constraint), - p_latEvent(NULL) +: Resource(model, name, constraint), + PropertyHolder(props) { - surf_callback_emit(networkLinkCreatedCallbacks, this); if (state_trace) - p_stateEvent = tmgr_history_add_trace(history, state_trace, 0.0, 0, static_cast(this)); + p_stateEvent = fes->add_trace(state_trace, 0.0, 0, this); + + links->insert({name, this}); + XBT_DEBUG("Create link '%s'",name); + } -NetworkLink::~NetworkLink() +/** @brief use destroy() instead of this destructor */ +Link::~Link() { + xbt_assert(currentlyDestroying_, "Don't delete Links directly. Call destroy() instead."); +} +/** @brief Fire the require callbacks and destroy the object + * + * Don't delete directly an Link, call l->destroy() instead. + */ +void Link::destroy() { - surf_callback_emit(networkLinkDestructedCallbacks, this); + if (!currentlyDestroying_) { + currentlyDestroying_ = true; + onDestruction(this); + delete this; + } } -bool NetworkLink::isUsed() +bool Link::isUsed() { return lmm_constraint_used(getModel()->getMaxminSystem(), getConstraint()); } -double NetworkLink::getLatency() +double Link::getLatency() { return m_latCurrent; } -double NetworkLink::getBandwidth() +double Link::getBandwidth() { - return p_power.peak * p_power.scale; + return p_speed.peak * p_speed.scale; } -bool NetworkLink::isShared() +int Link::sharingPolicy() { - return lmm_constraint_is_shared(getConstraint()); + return lmm_constraint_sharing_policy(getConstraint()); } -void NetworkLink::setState(e_surf_resource_state_t state){ - Resource::setState(state); - surf_callback_emit(networkLinkStateChangedCallbacks, this); +void Link::turnOn(){ + if (isOff()) { + Resource::turnOn(); + onStateChange(this, 0, 1); + } +} +void Link::turnOff(){ + if (isOn()) { + Resource::turnOff(); + onStateChange(this, 1, 0); + } } /********** @@ -98,8 +269,12 @@ void NetworkLink::setState(e_surf_resource_state_t state){ **********/ void NetworkAction::setState(e_surf_action_state_t state){ + e_surf_action_state_t old = getState(); Action::setState(state); - surf_callback_emit(networkActionStateChangedCallbacks, this); + networkActionStateChangedCallbacks(this, old, state); +} + +} } #endif /* NETWORK_INTERFACE_CPP_ */