X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/c46aba70aa4ccf22cc19fac31d451c7158e922dd..c1194401ce4a41ff54a7591f4cf33c9ce2756978:/src/surf/network_constant.cpp diff --git a/src/surf/network_constant.cpp b/src/surf/network_constant.cpp index ce90e8ad18..c8a5bcb924 100644 --- a/src/surf/network_constant.cpp +++ b/src/surf/network_constant.cpp @@ -1,10 +1,11 @@ -/* Copyright (c) 2013-2015. The SimGrid Team. - * All rights reserved. */ +/* Copyright (c) 2013-2019. 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. */ #include "network_constant.hpp" +#include "src/surf/surf_interface.hpp" +#include "surf/surf.hpp" XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_network); @@ -13,101 +14,85 @@ XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_network); *********/ void surf_network_model_init_Constant() { - xbt_assert(surf_network_model == NULL); - surf_network_model = new simgrid::surf::NetworkConstantModel(); - xbt_dynar_push(all_existing_models, &surf_network_model); - - routing_model_create(NULL); - - simgrid::surf::on_link.connect([](sg_platf_link_cbarg_t link){ - xbt_die("There is no link in the Constant network model. " - "Please remove any link from your platform (and switch to routing='None')"); - }); + xbt_assert(surf_network_model == nullptr); + surf_network_model = new simgrid::kernel::resource::NetworkConstantModel(); } namespace simgrid { - namespace surf { - - double NetworkConstantModel::next_occuring_event(double /*now*/) - { - NetworkConstantAction *action = NULL; - double min = -1.0; +namespace kernel { +namespace resource { +NetworkConstantModel::NetworkConstantModel() : NetworkModel(Model::UpdateAlgo::FULL) +{ + all_existing_models.push_back(this); +} - ActionList *actionSet = getRunningActionSet(); - for(ActionList::iterator it(actionSet->begin()), itend(actionSet->end()) - ; it != itend ; ++it) { - action = static_cast(&*it); - if (action->m_latency > 0 && (min < 0 || action->m_latency < min)) - min = action->m_latency; - } +LinkImpl* NetworkConstantModel::create_link(const std::string& name, double, double, s4u::Link::SharingPolicy) +{ - return min; - } + xbt_die("Refusing to create the link %s: there is no link in the Constant network model. " + "Please remove any link from your platform (and switch to routing='None')", + name.c_str()); + return nullptr; +} - void NetworkConstantModel::updateActionsState(double /*now*/, double delta) - { - NetworkConstantAction *action = NULL; - ActionList *actionSet = getRunningActionSet(); - for(ActionList::iterator it(actionSet->begin()), itNext=it, itend(actionSet->end()) - ; it != itend ; it=itNext) { - ++itNext; - action = static_cast(&*it); - if (action->m_latency > 0) { - if (action->m_latency > delta) { - double_update(&(action->m_latency), delta, sg_surf_precision); - } else { - action->m_latency = 0.0; - } - } - action->updateRemains(action->getCost() * delta / action->m_latInit); - if (action->getMaxDuration() != NO_MAX_DURATION) - action->updateMaxDuration(delta); +double NetworkConstantModel::next_occuring_event(double /*now*/) +{ + double min = -1.0; + for (kernel::resource::Action const& action : *get_started_action_set()) { + const NetworkConstantAction& net_action = static_cast(action); + if (net_action.latency_ > 0 && (min < 0 || net_action.latency_ < min)) + min = net_action.latency_; + } + return min; +} - if (action->getRemainsNoUpdate() <= 0) { - action->finish(); - action->setState(SURF_ACTION_DONE); - } else if ((action->getMaxDuration() != NO_MAX_DURATION) - && (action->getMaxDuration() <= 0)) { - action->finish(); - action->setState(SURF_ACTION_DONE); - } +void NetworkConstantModel::update_actions_state(double /*now*/, double delta) +{ + for (auto it = std::begin(*get_started_action_set()); it != std::end(*get_started_action_set());) { + NetworkConstantAction& action = static_cast(*it); + ++it; // increment iterator here since the following calls to action.finish() may invalidate it + if (action.latency_ > 0) { + if (action.latency_ > delta) { + double_update(&action.latency_, delta, sg_surf_precision); + } else { + action.latency_ = 0.0; } } + action.update_remains(action.get_cost() * delta / action.initial_latency_); + action.update_max_duration(delta); - Action *NetworkConstantModel::communicate(NetCard *src, NetCard *dst, - double size, double rate) - { - char *src_name = src->name(); - char *dst_name = dst->name(); - - XBT_IN("(%s,%s,%g,%g)", src_name, dst_name, size, rate); - NetworkConstantAction *action = new NetworkConstantAction(this, size, sg_latency_factor); - XBT_OUT(); - - networkCommunicateCallbacks(action, src, dst, size, rate); - return action; + if ((action.get_remains_no_update() <= 0) || + ((action.get_max_duration() != NO_MAX_DURATION) && (action.get_max_duration() <= 0))) { + action.finish(kernel::resource::Action::State::FINISHED); } + } +} - /********** - * Action * - **********/ +kernel::resource::Action* NetworkConstantModel::communicate(s4u::Host* src, s4u::Host* dst, double size, double) +{ + NetworkConstantAction* action = new NetworkConstantAction(this, size, sg_latency_factor); - int NetworkConstantAction::unref() - { - m_refcount--; - if (!m_refcount) { - if (action_hook.is_linked()) - p_stateSet->erase(p_stateSet->iterator_to(*this)); - delete this; - return 1; - } - return 0; - } + simgrid::s4u::Link::on_communicate(action, src, dst); + return action; +} - void NetworkConstantAction::cancel() - { - return; - } +/********** + * Action * + **********/ +NetworkConstantAction::NetworkConstantAction(NetworkConstantModel* model_, double size, double latency) + : NetworkAction(model_, size, false), initial_latency_(latency) +{ + latency_ = latency; + if (latency_ <= 0.0) + NetworkConstantAction::set_state(Action::State::FINISHED); +}; - } +NetworkConstantAction::~NetworkConstantAction() = default; + +void NetworkConstantAction::update_remains_lazy(double /*now*/) +{ + THROW_IMPOSSIBLE; +} +} +} // namespace kernel }