-/* Copyright (c) 2013-2014. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2013-2022. 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 "surf/random_mgr.h"
+#include <simgrid/kernel/routing/NetZoneImpl.hpp>
+#include <simgrid/s4u/Engine.hpp>
-XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_network);
-static int host_number_int = 0;
+#include "src/kernel/EngineImpl.hpp"
+#include "src/surf/network_constant.hpp"
+#include "src/surf/surf_interface.hpp"
-static void netcste_count_hosts(sg_platf_host_cbarg_t /*h*/) {
- host_number_int++;
-}
+XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(res_network);
/*********
* Model *
*********/
void surf_network_model_init_Constant()
{
- xbt_assert(surf_network_model == NULL);
- surf_network_model = new NetworkConstantModel();
+ auto net_model = std::make_shared<simgrid::kernel::resource::NetworkConstantModel>("Network_Constant");
+ auto* engine = simgrid::kernel::EngineImpl::get_instance();
+ engine->add_model(net_model);
+ engine->get_netzone_root()->set_network_model(net_model);
+}
- sg_platf_host_add_cb(netcste_count_hosts);
+namespace simgrid::kernel::resource {
- ModelPtr model = surf_network_model;
- xbt_dynar_push(model_list, &model);
+StandardLinkImpl* NetworkConstantModel::create_link(const std::string& name, const std::vector<double>& /*bandwidth*/)
+{
+ 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;
}
-double NetworkConstantModel::shareResources(double /*now*/)
+StandardLinkImpl* NetworkConstantModel::create_wifi_link(const std::string& name, const std::vector<double>& bandwidths)
{
- NetworkConstantActionPtr action = NULL;
- double min = -1.0;
+ return create_link(name, bandwidths);
+}
- ActionListPtr actionSet = getRunningActionSet();
- for(ActionList::iterator it(actionSet->begin()), itend(actionSet->end())
- ; it != itend ; ++it) {
- action = static_cast<NetworkConstantActionPtr>(&*it);
- if (action->m_latency > 0 && (min < 0 || action->m_latency < min))
- min = action->m_latency;
+double NetworkConstantModel::next_occurring_event(double /*now*/)
+{
+ double min = -1.0;
+ for (Action const& action : *get_started_action_set()) {
+ const auto& net_action = static_cast<const NetworkConstantAction&>(action);
+ if (net_action.latency_ > 0 && (min < 0 || net_action.latency_ < min))
+ min = net_action.latency_;
}
-
return min;
}
-void NetworkConstantModel::updateActionsState(double /*now*/, double delta)
+void NetworkConstantModel::update_actions_state(double /*now*/, double delta)
{
- NetworkConstantActionPtr action = NULL;
- ActionListPtr actionSet = getRunningActionSet();
- for(ActionList::iterator it(actionSet->begin()), itNext=it, itend(actionSet->end())
- ; it != itend ; it=itNext) {
- ++itNext;
- action = static_cast<NetworkConstantActionPtr>(&*it);
- if (action->m_latency > 0) {
- if (action->m_latency > delta) {
- double_update(&(action->m_latency), delta, sg_surf_precision);
+ for (auto it = std::begin(*get_started_action_set()); it != std::end(*get_started_action_set());) {
+ auto& action = static_cast<NetworkConstantAction&>(*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->m_latency = 0.0;
+ action.latency_ = 0.0;
}
}
- action->updateRemains(action->getCost() * delta / action->m_latInit);
- if (action->getMaxDuration() != NO_MAX_DURATION)
- action->updateMaxDuration(delta);
+ action.update_remains(action.get_cost() * delta / sg_latency_factor);
+ action.update_max_duration(delta);
- 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);
+ if ((action.get_remains_no_update() <= 0) ||
+ ((action.get_max_duration() != NO_MAX_DURATION) && (action.get_max_duration() <= 0))) {
+ action.finish(Action::State::FINISHED);
}
}
}
-ActionPtr NetworkConstantModel::communicate(RoutingEdgePtr src, RoutingEdgePtr dst,
- double size, double rate)
-{
- char *src_name = src->getName();
- char *dst_name = dst->getName();
-
- XBT_IN("(%s,%s,%g,%g)", src_name, dst_name, size, rate);
- NetworkConstantActionPtr action = new NetworkConstantAction(this, size, sg_latency_factor);
- XBT_OUT();
-
- surf_callback_emit(networkCommunicateCallbacks, action, src, dst, size, rate);
- return action;
-}
-
-/************
- * Resource *
- ************/
-bool NetworkConstantLink::isUsed()
-{
- return 0;
-}
-
-void NetworkConstantLink::updateState(tmgr_trace_event_t /*event_type*/,
- double /*value*/, double /*time*/)
-{
- DIE_IMPOSSIBLE;
-}
-
-double NetworkConstantLink::getBandwidth()
-{
- DIE_IMPOSSIBLE;
- return -1.0; /* useless since DIE actually abort(), but eclipse prefer to have a useless and harmless return */
-}
-
-double NetworkConstantLink::getLatency()
-{
- DIE_IMPOSSIBLE;
- return -1.0; /* useless since DIE actually abort(), but eclipse prefer to have a useless and harmless return */
-}
-
-bool NetworkConstantLink::isShared()
+Action* NetworkConstantModel::communicate(s4u::Host* src, s4u::Host* dst, double size, double /*rate*/)
{
- DIE_IMPOSSIBLE;
- return -1; /* useless since DIE actually abort(), but eclipse prefer to have a useless and harmless return */
+ return (new NetworkConstantAction(this, *src, *dst, size));
}
/**********
* Action *
**********/
-
-int NetworkConstantAction::unref()
-{
- m_refcount--;
- if (!m_refcount) {
- if (actionHook::is_linked())
- p_stateSet->erase(p_stateSet->iterator_to(*this));
- delete this;
- return 1;
- }
- return 0;
-}
-
-void NetworkConstantAction::cancel()
-{
- return;
-}
-
-#ifdef HAVE_TRACING
-void NetworkConstantAction::setCategory(const char */*category*/)
-{
- //ignore completely the categories in constant model, they are not traced
-}
-#endif
-
-void NetworkConstantAction::suspend()
-{
- m_suspended = true;
-}
-
-void NetworkConstantAction::resume()
-{
- if (m_suspended)
- m_suspended = false;
-}
-
-void NetworkConstantAction::recycle()
+NetworkConstantAction::NetworkConstantAction(NetworkConstantModel* model_, s4u::Host& src, s4u::Host& dst, double size)
+ : NetworkAction(model_, src, dst, size, false)
{
- return;
+ latency_ = sg_latency_factor;
+ if (latency_ <= 0.0)
+ set_state(Action::State::FINISHED);
}
-bool NetworkConstantAction::isSuspended()
+void NetworkConstantAction::update_remains_lazy(double /*now*/)
{
- return m_suspended;
+ THROW_IMPOSSIBLE;
}
+} // namespace simgrid::kernel::resource