X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/f9e6853d2c5b7b867211700bc12f0ee57f640b30..9caf173e476622d309cc5653a83d224d05787cc7:/src/surf/network_interface.cpp diff --git a/src/surf/network_interface.cpp b/src/surf/network_interface.cpp index 49e4c6d248..d843caa6fc 100644 --- a/src/surf/network_interface.cpp +++ b/src/surf/network_interface.cpp @@ -1,105 +1,216 @@ -/* Copyright (c) 2013-2014. The SimGrid Team. - * All rights reserved. */ +/* Copyright (c) 2013-2018. 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. */ +#include + #include "network_interface.hpp" -#include "simgrid/sg_config.h" +#include "simgrid/sg_config.hpp" #ifndef NETWORK_INTERFACE_CPP_ #define NETWORK_INTERFACE_CPP_ -XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_network, surf, - "Logging specific to the SURF network module"); - -/************* - * Callbacks * - *************/ - -surf_callback(void, NetworkLinkPtr) networkLinkCreatedCallbacks; -surf_callback(void, NetworkLinkPtr) networkLinkDestructedCallbacks; -surf_callback(void, NetworkLinkPtr) networkLinkStateChangedCallbacks; -surf_callback(void, NetworkActionPtr) networkActionStateChangedCallbacks; +XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_network, surf, "Logging specific to the SURF network module"); + +namespace simgrid { + namespace surf { + + /* List of links */ + std::unordered_map* LinkImpl::links = new std::unordered_map(); + + LinkImpl* LinkImpl::byName(std::string name) + { + auto link = links->find(name); + return link == links->end() ? nullptr : link->second; + } + /** @brief Returns the amount of links in the platform */ + int LinkImpl::linksCount() + { + return links->size(); + } + void LinkImpl::linksList(std::vector* linkList) + { + for (auto const& kv : *links) { + linkList->push_back(&kv.second->piface_); + } + } + + /** @brief Returns a list of all existing links */ + LinkImpl** LinkImpl::linksList() + { + LinkImpl** res = xbt_new(LinkImpl*, (int)links->size()); + int i = 0; + for (auto const& kv : *links) { + res[i] = kv.second; + i++; + } + return res; + } + /** @brief destructor of the static data */ + void LinkImpl::linksExit() + { + for (auto const& kv : *links) + (kv.second)->destroy(); + delete links; + } + } +} /********* * Model * *********/ -NetworkModelPtr surf_network_model = NULL; - -double NetworkModel::latencyFactor(double /*size*/) { - return sg_latency_factor; -} - -double NetworkModel::bandwidthFactor(double /*size*/) { - return sg_bandwidth_factor; -} - -double NetworkModel::bandwidthConstraint(double rate, double /*bound*/, double /*size*/) { - return rate; -} - -/************ - * Resource * - ************/ - -NetworkLink::NetworkLink(NetworkModelPtr model, const char *name, xbt_dict_t props) -: Resource(model, name, props) -, p_latEvent(NULL) -{ - surf_callback_emit(networkLinkCreatedCallbacks, this); -} - -NetworkLink::NetworkLink(NetworkModelPtr model, const char *name, xbt_dict_t props, - lmm_constraint_t constraint, - tmgr_history_t history, - tmgr_trace_t state_trace) -: Resource(model, name, props, constraint), - p_latEvent(NULL) -{ - surf_callback_emit(networkLinkCreatedCallbacks, this); - if (state_trace) - p_stateEvent = tmgr_history_add_trace(history, state_trace, 0.0, 0, static_cast(this)); -} - -NetworkLink::~NetworkLink() -{ - surf_callback_emit(networkLinkDestructedCallbacks, this); -} - -bool NetworkLink::isUsed() -{ - return lmm_constraint_used(getModel()->getMaxminSystem(), getConstraint()); -} - -double NetworkLink::getLatency() -{ - return m_latCurrent; -} - -double NetworkLink::getBandwidth() -{ - return p_power.peak * p_power.scale; -} - -bool NetworkLink::isShared() -{ - return lmm_constraint_is_shared(getConstraint()); -} - -void NetworkLink::setState(e_surf_resource_state_t state){ - Resource::setState(state); - surf_callback_emit(networkLinkStateChangedCallbacks, this); -} - -/********** - * Action * - **********/ - -void NetworkAction::setState(e_surf_action_state_t state){ - Action::setState(state); - surf_callback_emit(networkActionStateChangedCallbacks, this); +simgrid::surf::NetworkModel *surf_network_model = nullptr; + +namespace simgrid { + namespace surf { + + NetworkModel::~NetworkModel() = default; + + double NetworkModel::latencyFactor(double /*size*/) { + return sg_latency_factor; + } + + double NetworkModel::bandwidthFactor(double /*size*/) { + return sg_bandwidth_factor; + } + + double NetworkModel::bandwidthConstraint(double rate, double /*bound*/, double /*size*/) { + return rate; + } + + double NetworkModel::next_occuring_event_full(double now) + { + double minRes = Model::next_occuring_event_full(now); + + for (kernel::resource::Action const& action : *get_running_action_set()) { + const NetworkAction& net_action = static_cast(action); + if (net_action.latency_ > 0) + minRes = (minRes < 0) ? net_action.latency_ : std::min(minRes, net_action.latency_); + } + + XBT_DEBUG("Min of share resources %f", minRes); + + return minRes; + } + + /************ + * Resource * + ************/ + + LinkImpl::LinkImpl(simgrid::surf::NetworkModel* model, const std::string& name, kernel::lmm::Constraint* constraint) + : Resource(model, name, constraint), piface_(this) + { + + if (name != "__loopback__") + xbt_assert(not LinkImpl::byName(name), "Link '%s' declared several times in the platform.", name.c_str()); + + latency_.scale = 1; + bandwidth_.scale = 1; + + links->insert({name, this}); + XBT_DEBUG("Create link '%s'", name.c_str()); + } + + /** @brief use destroy() instead of this destructor */ + LinkImpl::~LinkImpl() + { + xbt_assert(currentlyDestroying_, "Don't delete Links directly. Call destroy() instead."); + } + /** @brief Fire the required callbacks and destroy the object + * + * Don't delete directly a Link, call l->destroy() instead. + */ + void LinkImpl::destroy() + { + if (not currentlyDestroying_) { + currentlyDestroying_ = true; + s4u::Link::onDestruction(this->piface_); + delete this; + } + } + + bool LinkImpl::is_used() + { + return model()->get_maxmin_system()->constraint_used(constraint()); + } + + double LinkImpl::latency() + { + return latency_.peak * latency_.scale; + } + + double LinkImpl::bandwidth() + { + return bandwidth_.peak * bandwidth_.scale; + } + + int LinkImpl::sharingPolicy() + { + return constraint()->get_sharing_policy(); + } + + void LinkImpl::turnOn() + { + if (isOff()) { + Resource::turnOn(); + s4u::Link::onStateChange(this->piface_); + } + } + void LinkImpl::turnOff() + { + if (isOn()) { + Resource::turnOff(); + s4u::Link::onStateChange(this->piface_); + } + } + void LinkImpl::setStateTrace(tmgr_trace_t trace) + { + xbt_assert(stateEvent_ == nullptr, "Cannot set a second state trace to Link %s", get_cname()); + stateEvent_ = future_evt_set->add_trace(trace, this); + } + void LinkImpl::setBandwidthTrace(tmgr_trace_t trace) + { + xbt_assert(bandwidth_.event == nullptr, "Cannot set a second bandwidth trace to Link %s", get_cname()); + bandwidth_.event = future_evt_set->add_trace(trace, this); + } + void LinkImpl::setLatencyTrace(tmgr_trace_t trace) + { + xbt_assert(latency_.event == nullptr, "Cannot set a second latency trace to Link %s", get_cname()); + latency_.event = future_evt_set->add_trace(trace, this); + } + + + /********** + * Action * + **********/ + + void NetworkAction::set_state(Action::State state) + { + Action::set_state(state); + s4u::Link::onCommunicationStateChange(this); + } + + /** @brief returns a list of all Links that this action is using */ + std::list NetworkAction::links() + { + std::list retlist; + int llen = get_variable()->get_number_of_constraint(); + + for (int i = 0; i < llen; i++) { + /* Beware of composite actions: ptasks put links and cpus together */ + // extra pb: we cannot dynamic_cast from void*... + kernel::resource::Resource* resource = + static_cast(get_variable()->get_constraint(i)->get_id()); + LinkImpl* link = dynamic_cast(resource); + if (link != nullptr) + retlist.push_back(link); + } + + return retlist; + } + } } #endif /* NETWORK_INTERFACE_CPP_ */