-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<const NetworkAction&>(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::isUsed()
- {
- 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", getCname());
- 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", getCname());
- 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", getCname());
- 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<LinkImpl*> NetworkAction::links()
- {
- std::list<LinkImpl*> 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<kernel::resource::Resource*>(get_variable()->get_constraint(i)->get_id());
- LinkImpl* link = dynamic_cast<LinkImpl*>(resource);
- if (link != nullptr)
- retlist.push_back(link);
- }
-
- return retlist;
- }
+/**********
+ * Action *
+ **********/
+
+void NetworkAction::set_state(Action::State state)
+{
+ Action::State previous = get_state();
+ Action::set_state(state);
+ if (previous != state) // Trigger only if the state changed
+ s4u::Link::on_communication_state_change(this, previous);
+}
+
+/** @brief returns a list of all Links that this action is using */
+std::list<LinkImpl*> NetworkAction::links()
+{
+ std::list<LinkImpl*> 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*...
+ Resource* resource = static_cast<Resource*>(get_variable()->get_constraint(i)->get_id());
+ LinkImpl* link = dynamic_cast<LinkImpl*>(resource);
+ if (link != nullptr)
+ retlist.push_back(link);