-/* Copyright (c) 2013-2014. The SimGrid Team.
+/* 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");
-/*********
- * C API *
- *********/
-SG_BEGIN_DECL()
-const char* sg_link_name(Link *link) {
- return link->getName();
-}
-Link * sg_link_by_name(const char* name) {
- return Link::byName(name);
-}
+namespace simgrid {
+ namespace surf {
-int sg_link_is_shared(Link *link){
- return link->isShared();
-}
-double sg_link_bandwidth(Link *link){
- return link->getBandwidth();
-}
-double sg_link_latency(Link *link){
- return link->getLatency();
-}
-void* sg_link_data(Link *link) {
- return link->getData();
-}
-void sg_link_data_set(Link *link,void *data) {
- link->setData(data);
-}
-int sg_link_amount(void) {
- return Link::linksAmount();
-}
-Link** sg_link_list(void) {
- return Link::linksList();
-}
-void sg_link_exit(void) {
- Link::linksExit();
-}
-SG_END_DECL()
-/*****************
- * List of links *
- *****************/
-
-boost::unordered_map<std::string,Link *> *Link::links = new boost::unordered_map<std::string,Link *>();
-Link *Link::byName(const char* name) {
- Link * res = NULL;
- try {
- res = links->at(name);
- } catch (std::out_of_range& e) {}
-
- return res;
-}
-/** @brief Returns the amount of links in the platform */
-int Link::linksAmount() {
- return links->size();
-}
-/** @brief Returns a list of all existing links */
-Link **Link::linksList() {
- Link **res = xbt_new(Link*, (int)links->size());
- int i=0;
- for (auto kv : *links) {
- res[i++] = kv.second;
- }
- return res;
-}
-/** @brief destructor of the static data */
-void Link::linksExit() {
- for (auto kv : *links)
- delete (kv.second);
-}
-/*************
- * Callbacks *
- *************/
-
-surf_callback(void, Link*) networkLinkCreatedCallbacks;
-surf_callback(void, Link*) networkLinkDestructedCallbacks;
-surf_callback(void, Link*, e_surf_resource_state_t, e_surf_resource_state_t) networkLinkStateChangedCallbacks;
-surf_callback(void, NetworkAction*, e_surf_action_state_t, e_surf_action_state_t) networkActionStateChangedCallbacks;
-surf_callback(void, NetworkAction*, RoutingEdge *src, RoutingEdge *dst, double size, double rate) networkCommunicateCallbacks;
-
-void netlink_parse_init(sg_platf_link_cbarg_t link){
- if (link->policy == SURF_LINK_FULLDUPLEX) {
- char *link_id;
- link_id = bprintf("%s_UP", link->id);
- surf_network_model->createLink(link_id,
- link->bandwidth,
- link->bandwidth_trace,
- link->latency,
- link->latency_trace,
- link->state,
- link->state_trace, link->policy, link->properties);
- xbt_free(link_id);
- link_id = bprintf("%s_DOWN", link->id);
- surf_network_model->createLink(link_id,
- link->bandwidth,
- link->bandwidth_trace,
- link->latency,
- link->latency_trace,
- link->state,
- link->state_trace, link->policy, link->properties);
- xbt_free(link_id);
- } else {
- surf_network_model->createLink(link->id,
- link->bandwidth,
- link->bandwidth_trace,
- link->latency,
- link->latency_trace,
- link->state,
- link->state_trace, link->policy, link->properties);
- }
-}
+ /* List of links */
+ std::unordered_map<std::string, LinkImpl*>* LinkImpl::links = new std::unordered_map<std::string, LinkImpl*>();
-void net_add_traces(){
- surf_network_model->addTraces();
+ 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;
+ }
+ }
}
/*********
* Model *
*********/
-NetworkModel *surf_network_model = NULL;
-
-double NetworkModel::latencyFactor(double /*size*/) {
- return sg_latency_factor;
-}
+simgrid::surf::NetworkModel *surf_network_model = nullptr;
-double NetworkModel::bandwidthFactor(double /*size*/) {
- return sg_bandwidth_factor;
-}
+namespace simgrid {
+ namespace surf {
-double NetworkModel::bandwidthConstraint(double rate, double /*bound*/, double /*size*/) {
- return rate;
-}
-
-double NetworkModel::shareResourcesFull(double now)
-{
- NetworkAction *action = NULL;
- ActionList *runningActions = surf_network_model->getRunningActionSet();
- double minRes;
+ NetworkModel::~NetworkModel()
+ {
+ lmm_system_free(maxminSystem_);
+ xbt_heap_free(actionHeap_);
+ delete modifiedSet_;
+ }
- minRes = shareResourcesMaxMin(runningActions, surf_network_model->p_maxminSystem, surf_network_model->f_networkSolve);
+ double NetworkModel::latencyFactor(double /*size*/) {
+ return sg_latency_factor;
+ }
- for(ActionList::iterator it(runningActions->begin()), itend(runningActions->end())
- ; it != itend ; ++it) {
- action = static_cast<NetworkAction*>(&*it);
-#ifdef HAVE_LATENCY_BOUND_TRACKING
- if (lmm_is_variable_limited_by_latency(action->getVariable())) {
- action->m_latencyLimited = 1;
- } else {
- action->m_latencyLimited = 0;
+ double NetworkModel::bandwidthFactor(double /*size*/) {
+ return sg_bandwidth_factor;
}
-#endif
- if (action->m_latency > 0) {
- minRes = (minRes < 0) ? action->m_latency : min(minRes, action->m_latency);
+
+ double NetworkModel::bandwidthConstraint(double rate, double /*bound*/, double /*size*/) {
+ return rate;
}
- }
- XBT_DEBUG("Min of share resources %f", minRes);
+ double NetworkModel::nextOccuringEventFull(double now)
+ {
+ double minRes = Model::nextOccuringEventFull(now);
- return minRes;
-}
+ 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_);
+ }
-/************
- * Resource *
- ************/
+ XBT_DEBUG("Min of share resources %f", minRes);
-Link::Link(NetworkModel *model, const char *name, xbt_dict_t props)
-: Resource(model, name, props)
-, p_latEvent(NULL)
-{
- surf_callback_emit(networkLinkCreatedCallbacks, this);
- links->insert({name, this});
+ return minRes;
+ }
- XBT_DEBUG("Create link '%s'",name);
-}
+ /************
+ * Resource *
+ ************/
-Link::Link(NetworkModel *model, const char *name, xbt_dict_t props,
- lmm_constraint_t constraint,
- tmgr_history_t history,
- tmgr_trace_t state_trace)
-: Resource(model, name, props, constraint),
- p_latEvent(NULL)
-{
- surf_callback_emit(networkLinkCreatedCallbacks, this);
- if (state_trace)
- p_stateEvent = tmgr_history_add_trace(history, state_trace, 0.0, 0, this);
+ LinkImpl::LinkImpl(simgrid::surf::NetworkModel* model, const char* name, lmm_constraint_t constraint)
+ : Resource(model, name, constraint), piface_(this)
+ {
- links->insert({name, this});
- XBT_DEBUG("Create link '%s'",name);
+ 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;
-Link::~Link()
-{
- surf_callback_emit(networkLinkDestructedCallbacks, this);
-}
+ links->insert({name, this});
+ XBT_DEBUG("Create link '%s'",name);
-bool Link::isUsed()
-{
- return lmm_constraint_used(getModel()->getMaxminSystem(), getConstraint());
-}
+ }
-double Link::getLatency()
-{
- return m_latCurrent;
-}
+ /** @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;
+ }
+ }
-double Link::getBandwidth()
-{
- return p_power.peak * p_power.scale;
-}
+ bool LinkImpl::isUsed()
+ {
+ return lmm_constraint_used(model()->getMaxminSystem(), constraint());
+ }
-bool Link::isShared()
-{
- return lmm_constraint_is_shared(getConstraint());
-}
+ double LinkImpl::latency()
+ {
+ return latency_.peak * latency_.scale;
+ }
-void Link::setState(e_surf_resource_state_t state){
- e_surf_resource_state_t old = Resource::getState();
- Resource::setState(state);
- surf_callback_emit(networkLinkStateChangedCallbacks, this, old, state);
-}
+ 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(e_surf_action_state_t state){
- e_surf_action_state_t old = getState();
- Action::setState(state);
- surf_callback_emit(networkActionStateChangedCallbacks, this, old, state);
+ /**********
+ * 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);
+ }
+
+ return retlist;
+ }
+ }
}
#endif /* NETWORK_INTERFACE_CPP_ */
