-/* 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 "network_constant.hpp"
-#include "surf/random_mgr.h"
XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_network);
-static int host_number_int = 0;
-
-static void netcste_count_hosts(sg_platf_host_cbarg_t /*h*/) {
- host_number_int++;
-}
/*********
* Model *
*********/
void surf_network_model_init_Constant()
{
- xbt_assert(surf_network_model == NULL);
- surf_network_model = new NetworkConstantModel();
+ xbt_assert(surf_network_model == nullptr);
+ surf_network_model = new simgrid::surf::NetworkConstantModel();
+ all_existing_models->push_back(surf_network_model);
+}
- sg_platf_host_add_cb(netcste_count_hosts);
+namespace simgrid {
+namespace surf {
+LinkImpl* NetworkConstantModel::createLink(const std::string& name, double bw, double lat,
+ e_surf_link_sharing_policy_t policy)
+{
- ModelPtr model = surf_network_model;
- xbt_dynar_push(model_list, &model);
+ 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*/)
+double NetworkConstantModel::nextOccuringEvent(double /*now*/)
{
- NetworkConstantActionPtr action = NULL;
double min = -1.0;
-
- 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;
+ for (kernel::resource::Action const& action : *getRunningActionSet()) {
+ const NetworkConstantAction& 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)
{
- 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(*getRunningActionSet()); it != std::end(*getRunningActionSet());) {
+ NetworkConstantAction& 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.updateRemains(action.getCost() * delta / action.initialLatency_);
+ if (action.getMaxDuration() != NO_MAX_DURATION)
+ action.updateMaxDuration(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.getRemainsNoUpdate() <= 0) ||
+ ((action.getMaxDuration() != NO_MAX_DURATION) && (action.getMaxDuration() <= 0))) {
+ action.finish(kernel::resource::Action::State::done);
}
}
}
-ActionPtr NetworkConstantModel::communicate(RoutingEdgePtr src, RoutingEdgePtr dst,
- double size, double rate)
+kernel::resource::Action* NetworkConstantModel::communicate(s4u::Host* src, s4u::Host* 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();
+ NetworkConstantAction* action = new NetworkConstantAction(this, size, sg_latency_factor);
- surf_callback_emit(networkCommunicateCallbacks, action, src, dst, size, rate);
+ simgrid::s4u::Link::onCommunicate(action, src, dst);
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()
-{
- DIE_IMPOSSIBLE;
- return -1; /* useless since DIE actually abort(), but eclipse prefer to have a useless and harmless return */
-}
-
/**********
* Action *
**********/
-
-int NetworkConstantAction::unref()
+NetworkConstantAction::NetworkConstantAction(NetworkConstantModel* model_, double size, double latency)
+ : NetworkAction(model_, size, false), initialLatency_(latency)
{
- m_refcount--;
- if (!m_refcount) {
- if (actionHook::is_linked())
- p_stateSet->erase(p_stateSet->iterator_to(*this));
- delete this;
- return 1;
+ latency_ = latency;
+ if (latency_ <= 0.0) {
+ stateSet_ = model_->getDoneActionSet();
+ stateSet_->push_back(*this);
}
- 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;
-}
+NetworkConstantAction::~NetworkConstantAction() = default;
-void NetworkConstantAction::resume()
+void NetworkConstantAction::updateRemainingLazy(double /*now*/)
{
- if (m_suspended)
- m_suspended = false;
+ THROW_IMPOSSIBLE;
}
-
-void NetworkConstantAction::recycle()
-{
- return;
}
-
-bool NetworkConstantAction::isSuspended()
-{
- return m_suspended;
}
-
