-/* Copyright (c) 2013-2015. The SimGrid Team.
+/* Copyright (c) 2013-2017. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_network, surf, "Logging specific to the SURF network module");
-/*********
- * C API *
- *********/
-
-extern "C" {
+namespace simgrid {
+ namespace surf {
- const char* sg_link_name(Link *link) {
- return link->getName();
- }
- Link * sg_link_by_name(const char* name) {
- return Link::byName(name);
- }
+ /* List of links */
+ std::unordered_map<std::string, LinkImpl*>* LinkImpl::links = new std::unordered_map<std::string, LinkImpl*>();
- int sg_link_is_shared(Link *link){
- return link->sharingPolicy();
- }
- double sg_link_bandwidth(Link *link){
- return link->bandwidth();
- }
- double sg_link_latency(Link *link){
- return link->latency();
- }
- void* sg_link_data(Link *link) {
- return link->getData();
+ LinkImpl* LinkImpl::byName(const char* name)
+ {
+ auto link = links->find(name);
+ return link == links->end() ? nullptr : link->second;
}
- void sg_link_data_set(Link *link,void *data) {
- link->setData(data);
+ /** @brief Returns the amount of links in the platform */
+ int LinkImpl::linksCount()
+ {
+ return links->size();
}
- int sg_link_count() {
- return Link::linksCount();
+ /** @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;
}
- Link** sg_link_list() {
- return Link::linksList();
+ /** @brief destructor of the static data */
+ void LinkImpl::linksExit()
+ {
+ for (auto kv : *links)
+ (kv.second)->destroy();
+ delete links;
}
- void sg_link_exit() {
- Link::linksExit();
- }
-
-}
-
-/*****************
- * List of links *
- *****************/
-
-namespace simgrid {
- namespace surf {
-
- std::unordered_map<std::string,Link *> *Link::links = new std::unordered_map<std::string,Link *>();
- Link *Link::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 Link::linksCount() {
- 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)
- (kv.second)->destroy();
- delete links;
- }
-
- /*************
- * Callbacks *
- *************/
-
- simgrid::xbt::signal<void(Link*)> Link::onCreation;
- simgrid::xbt::signal<void(Link*)> Link::onDestruction;
- simgrid::xbt::signal<void(Link*)> Link::onStateChange;
-
- simgrid::xbt::signal<void(NetworkAction*, Action::State, Action::State)> networkActionStateChangedCallbacks;
- simgrid::xbt::signal<void(NetworkAction*, s4u::Host* src, s4u::Host* dst)> Link::onCommunicate;
}
}
* Resource *
************/
- Link::Link(simgrid::surf::NetworkModel *model, const char *name, xbt_dict_t props)
- : Resource(model, name),
- PropertyHolder(props)
+ LinkImpl::LinkImpl(simgrid::surf::NetworkModel* model, const char* name, lmm_constraint_t constraint)
+ : Resource(model, name, constraint), piface_(this)
{
- links->insert({name, this});
-
- latency_.scale = 1;
- bandwidth_.scale = 1;
- XBT_DEBUG("Create link '%s'",name);
- }
- Link::Link(simgrid::surf::NetworkModel *model, const char *name, xbt_dict_t props, lmm_constraint_t constraint)
- : Resource(model, name, constraint),
- PropertyHolder(props)
- {
if (strcmp(name,"__loopback__"))
- xbt_assert(!Link::byName(name), "Link '%s' declared several times in the platform.", name);
+ xbt_assert(not LinkImpl::byName(name), "Link '%s' declared several times in the platform.", name);
latency_.scale = 1;
bandwidth_.scale = 1;
}
/** @brief use destroy() instead of this destructor */
- Link::~Link() {
+ LinkImpl::~LinkImpl()
+ {
xbt_assert(currentlyDestroying_, "Don't delete Links directly. Call destroy() instead.");
}
- /** @brief Fire the require callbacks and destroy the object
+ /** @brief Fire the required callbacks and destroy the object
*
- * Don't delete directly an Link, call l->destroy() instead.
+ * Don't delete directly a Link, call l->destroy() instead.
*/
- void Link::destroy()
+ void LinkImpl::destroy()
{
- if (!currentlyDestroying_) {
+ if (not currentlyDestroying_) {
currentlyDestroying_ = true;
- onDestruction(this);
+ s4u::Link::onDestruction(this->piface_);
delete this;
}
}
- bool Link::isUsed()
+ bool LinkImpl::isUsed()
{
- return lmm_constraint_used(getModel()->getMaxminSystem(), getConstraint());
+ return lmm_constraint_used(model()->getMaxminSystem(), constraint());
}
- double Link::latency()
+ double LinkImpl::latency()
{
return latency_.peak * latency_.scale;
}
- double Link::bandwidth()
+ double LinkImpl::bandwidth()
{
return bandwidth_.peak * bandwidth_.scale;
}
- int Link::sharingPolicy()
+ int LinkImpl::sharingPolicy()
{
- return lmm_constraint_sharing_policy(getConstraint());
+ return lmm_constraint_sharing_policy(constraint());
}
- void Link::turnOn(){
+ void LinkImpl::turnOn()
+ {
if (isOff()) {
Resource::turnOn();
- onStateChange(this);
+ s4u::Link::onStateChange(this->piface_);
}
}
- void Link::turnOff(){
+ void LinkImpl::turnOff()
+ {
if (isOn()) {
Resource::turnOff();
- onStateChange(this);
+ s4u::Link::onStateChange(this->piface_);
}
}
- void Link::setStateTrace(tmgr_trace_t trace) {
- xbt_assert(stateEvent_ == nullptr, "Cannot set a second state trace to Link %s", getName());
- stateEvent_ = future_evt_set->add_trace(trace, 0.0, this);
+ 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 Link::setBandwidthTrace(tmgr_trace_t trace)
+ void LinkImpl::setBandwidthTrace(tmgr_trace_t trace)
{
- xbt_assert(bandwidth_.event == nullptr, "Cannot set a second bandwidth trace to Link %s", getName());
- bandwidth_.event = future_evt_set->add_trace(trace, 0.0, this);
+ 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 Link::setLatencyTrace(tmgr_trace_t trace)
+ void LinkImpl::setLatencyTrace(tmgr_trace_t trace)
{
- xbt_assert(latency_.event == nullptr, "Cannot set a second latency trace to Link %s", getName());
- latency_.event = future_evt_set->add_trace(trace, 0.0, this);
+ 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::State old = getState();
+ void NetworkAction::setState(Action::State state)
+ {
Action::setState(state);
- networkActionStateChangedCallbacks(this, old, 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;
+ }
}
}