-/*
- * network_interface.cpp
- *
- * Created on: Nov 29, 2013
- * Author: bedaride
- */
+/* Copyright (c) 2013-2015. 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");
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_network, surf, "Logging specific to the SURF network module");
-NetworkModelPtr surf_network_model = NULL;
+namespace simgrid {
+ namespace surf {
-xbt_dynar_t NetworkModel::getRoute(RoutingEdgePtr src, RoutingEdgePtr dst)
-{
- xbt_dynar_t route = NULL;
- routing_platf->getRouteAndLatency(src, dst, &route, NULL);
- return route;
-}
+ /* List of links */
+ std::unordered_map<std::string, LinkImpl*>* LinkImpl::links = new std::unordered_map<std::string, LinkImpl*>();
-double NetworkModel::latencyFactor(double /*size*/) {
- return sg_latency_factor;
+ LinkImpl* LinkImpl::byName(const char* name)
+ {
+ if (links->find(name) == links->end())
+ return nullptr;
+ return links->at(name);
+ }
+ /** @brief Returns the amount of links in the platform */
+ int LinkImpl::linksCount()
+ {
+ return links->size();
+ }
+ /** @brief Returns a list of all existing links */
+ LinkImpl** LinkImpl::linksList()
+ {
+ LinkImpl** res = xbt_new(LinkImpl*, (int)links->size());
+ int i = 0;
+ for (auto kv : *links) {
+ res[i] = kv.second;
+ i++;
+ }
+ return res;
+ }
+ /** @brief destructor of the static data */
+ void LinkImpl::linksExit()
+ {
+ for (auto kv : *links)
+ (kv.second)->destroy();
+ delete links;
+ }
+ }
}
-double NetworkModel::bandwidthFactor(double /*size*/) {
- return sg_bandwidth_factor;
-}
+/*********
+ * Model *
+ *********/
-double NetworkModel::bandwidthConstraint(double rate, double /*bound*/, double /*size*/) {
- return rate;
-}
+simgrid::surf::NetworkModel *surf_network_model = nullptr;
-bool NetworkLinkLmm::isUsed()
-{
- return lmm_constraint_used(p_model->p_maxminSystem, p_constraint);
-}
+namespace simgrid {
+ namespace surf {
-double NetworkLink::getLatency()
-{
- return m_latCurrent;
-}
+ NetworkModel::~NetworkModel()
+ {
+ lmm_system_free(maxminSystem_);
+ xbt_heap_free(actionHeap_);
+ delete modifiedSet_;
+ }
-double NetworkLinkLmm::getBandwidth()
-{
- return p_power.peak * p_power.scale;
-}
+ 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(auto it(getRunningActionSet()->begin()), itend(getRunningActionSet()->end()); it != itend ; it++) {
+ NetworkAction *action = static_cast<NetworkAction*>(&*it);
+ if (action->latency_ > 0)
+ minRes = (minRes < 0) ? action->latency_ : std::min(minRes, action->latency_);
+ }
+
+ XBT_DEBUG("Min of share resources %f", minRes);
+
+ return minRes;
+ }
+
+ /************
+ * Resource *
+ ************/
+
+ LinkImpl::LinkImpl(simgrid::surf::NetworkModel* model, const char* name, lmm_constraint_t constraint)
+ : Resource(model, name, constraint), piface_(this)
+ {
+
+ if (strcmp(name,"__loopback__"))
+ xbt_assert(not LinkImpl::byName(name), "Link '%s' declared several times in the platform.", name);
+
+ latency_.scale = 1;
+ bandwidth_.scale = 1;
+
+ links->insert({name, this});
+ XBT_DEBUG("Create link '%s'",name);
+
+ }
+
+ /** @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 lmm_constraint_used(model()->getMaxminSystem(), constraint());
+ }
+
+ double LinkImpl::latency()
+ {
+ return latency_.peak * latency_.scale;
+ }
+
+ double LinkImpl::bandwidth()
+ {
+ return bandwidth_.peak * bandwidth_.scale;
+ }
+
+ int LinkImpl::sharingPolicy()
+ {
+ return lmm_constraint_sharing_policy(constraint());
+ }
+
+ 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", 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", 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", cname());
+ latency_.event = future_evt_set->add_trace(trace, this);
+ }
+
+
+ /**********
+ * Action *
+ **********/
+
+ void NetworkAction::setState(Action::State state)
+ {
+ Action::setState(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;
+ lmm_system_t sys = getModel()->getMaxminSystem();
+ int llen = lmm_get_number_of_cnst_from_var(sys, variable_);
+
+ 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*>(lmm_constraint_id(lmm_get_cnst_from_var(sys, getVariable(), i)));
+ LinkImpl* link = dynamic_cast<LinkImpl*>(resource);
+ if (link != nullptr)
+ retlist.push_back(link);
+ }
-bool NetworkLinkLmm::isShared()
-{
- return lmm_constraint_is_shared(p_constraint);
+ return retlist;
+ }
+ }
}
#endif /* NETWORK_INTERFACE_CPP_ */