+++ /dev/null
-/* 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 <algorithm>
-
-#include "network_interface.hpp"
-#include "simgrid/sg_config.h"
-
-#ifndef NETWORK_INTERFACE_CPP_
-#define NETWORK_INTERFACE_CPP_
-
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_network, surf, "Logging specific to the SURF network module");
-
-namespace simgrid {
- namespace surf {
-
- /* List of links */
- std::unordered_map<std::string, LinkImpl*>* LinkImpl::links = new std::unordered_map<std::string, LinkImpl*>();
-
- LinkImpl* LinkImpl::byName(std::string name)
- {
- auto link = links->find(name);
- return link == links->end() ? nullptr : link->second;
- }
- /** @brief Returns the amount of links in the platform */
- int LinkImpl::linksCount()
- {
- return links->size();
- }
- void LinkImpl::linksList(std::vector<s4u::Link*>* linkList)
- {
- for (auto const& kv : *links) {
- linkList->push_back(&kv.second->piface_);
- }
- }
-
- /** @brief Returns a list of all existing links */
- LinkImpl** LinkImpl::linksList()
- {
- LinkImpl** res = xbt_new(LinkImpl*, (int)links->size());
- int i = 0;
- for (auto const& kv : *links) {
- res[i] = kv.second;
- i++;
- }
- return res;
- }
- /** @brief destructor of the static data */
- void LinkImpl::linksExit()
- {
- for (auto const& kv : *links)
- (kv.second)->destroy();
- delete links;
- }
- }
-}
-
-/*********
- * Model *
- *********/
-
-simgrid::surf::NetworkModel *surf_network_model = nullptr;
-
-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::nextOccuringEventFull(double now)
- {
- double minRes = Model::nextOccuringEventFull(now);
-
- for (kernel::resource::Action const& action : *getRunningActionSet()) {
- 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()->getMaxminSystem()->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;
- }
- }
-}
-
-#endif /* NETWORK_INTERFACE_CPP_ */
