- namespace surf {
-
- /** Value of the command-line option 'network/TCP-gamma' -- see \ref options_model_network_gamma */
- simgrid::config::Flag<double> NetworkModel::cfg_tcp_gamma(
- {"network/TCP-gamma", "network/TCP_gamma"},
- "Size of the biggest TCP window (cat /proc/sys/net/ipv4/tcp_[rw]mem for recv/send window; "
- "Use the last given value, which is the max window size)",
- 4194304.0);
-
- 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::is_used()
- {
- return get_model()->get_maxmin_system()->constraint_used(get_constraint());
- }
-
- double LinkImpl::latency()
- {
- return latency_.peak * latency_.scale;
- }
-
- double LinkImpl::bandwidth()
- {
- return bandwidth_.peak * bandwidth_.scale;
- }
-
- int LinkImpl::sharingPolicy()
- {
- return get_constraint()->get_sharing_policy();
- }
-
- void LinkImpl::turn_on()
- {
- if (is_off()) {
- Resource::turn_on();
- s4u::Link::onStateChange(this->piface_);
- }
- }
- void LinkImpl::turn_off()
- {
- if (is_on()) {
- Resource::turn_off();
- 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<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;
- }
+namespace kernel {
+namespace resource {
+
+/** @brief Command-line option 'network/TCP-gamma' -- see \ref options_model_network_gamma */
+simgrid::config::Flag<double> NetworkModel::cfg_tcp_gamma(
+ "network/TCP-gamma", {"network/TCP_gamma"},
+ "Size of the biggest TCP window (cat /proc/sys/net/ipv4/tcp_[rw]mem for recv/send window; "
+ "Use the last given value, which is the max window size)",
+ 4194304.0);
+
+/** @brief Command-line option 'network/crosstraffic' -- see \ref options_model_network_crosstraffic */
+simgrid::config::Flag<bool> NetworkModel::cfg_crosstraffic(
+ "network/crosstraffic",
+ "Activate the interferences between uploads and downloads for fluid max-min models (LV08, CM02)", "yes");
+
+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 (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(NetworkModel* model, const std::string& name, 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;