-/* 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");
-
-/*************
- * Callbacks *
- *************/
-
-surf_callback(void, NetworkLinkPtr) networkLinkCreatedCallbacks;
-surf_callback(void, NetworkLinkPtr) networkLinkDestructedCallbacks;
-surf_callback(void, NetworkLinkPtr) networkLinkStateChangedCallbacks;
-surf_callback(void, NetworkActionPtr) networkActionStateChangedCallbacks;
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_network, surf, "Logging specific to the SURF network module");
/*********
- * Model *
+ * C API *
*********/
-NetworkModelPtr surf_network_model = NULL;
-
-xbt_dynar_t NetworkModel::getRoute(RoutingEdgePtr src, RoutingEdgePtr dst)
-{
- xbt_dynar_t route = NULL;
- routing_platf->getRouteAndLatency(src, dst, &route, NULL);
- return route;
-}
-
-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;
-}
-
-/************
- * Resource *
- ************/
-
-NetworkLink::NetworkLink(NetworkModelPtr model, const char *name, xbt_dict_t props)
-: Resource(model, name, props)
-, p_latEvent(NULL)
-{
- surf_callback_emit(networkLinkCreatedCallbacks, this);
-}
-
-NetworkLink::NetworkLink(NetworkModelPtr 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, static_cast<ResourcePtr>(this));
-}
-
-NetworkLink::~NetworkLink()
-{
- surf_callback_emit(networkLinkDestructedCallbacks, this);
-}
-
-bool NetworkLink::isUsed()
-{
- return lmm_constraint_used(getModel()->getMaxminSystem(), getConstraint());
-}
+extern "C" {
+
+ const char* sg_link_name(Link *link) {
+ return link->getName();
+ }
+ Link * sg_link_by_name(const char* name) {
+ return Link::byName(name);
+ }
+
+ 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();
+ }
+ void sg_link_data_set(Link *link,void *data) {
+ link->setData(data);
+ }
+ int sg_link_count() {
+ return Link::linksCount();
+ }
+ Link** sg_link_list() {
+ return Link::linksList();
+ }
+ void sg_link_exit() {
+ Link::linksExit();
+ }
-double NetworkLink::getLatency()
-{
- return m_latCurrent;
}
-double NetworkLink::getBandwidth()
-{
- return p_power.peak * p_power.scale;
+/*****************
+ * 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;
+ }
}
-bool NetworkLink::isShared()
-{
- return lmm_constraint_is_shared(getConstraint());
-}
-
-void NetworkLink::setState(e_surf_resource_state_t state){
- Resource::setState(state);
- surf_callback_emit(networkLinkStateChangedCallbacks, this);
-}
-
-/**********
- * Action *
- **********/
+/*********
+ * Model *
+ *********/
-void NetworkAction::setState(e_surf_action_state_t state){
- Action::setState(state);
- surf_callback_emit(networkActionStateChangedCallbacks, this);
+simgrid::surf::NetworkModel *surf_network_model = nullptr;
+
+namespace simgrid {
+ namespace surf {
+
+ NetworkModel::~NetworkModel()
+ {
+ lmm_system_free(maxminSystem_);
+ xbt_heap_free(actionHeap_);
+ delete modifiedSet_;
+ }
+
+ 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 *
+ ************/
+
+ Link::Link(simgrid::surf::NetworkModel* model, const char* name, lmm_constraint_t constraint)
+ : Resource(model, name, constraint)
+ {
+ if (strcmp(name,"__loopback__"))
+ xbt_assert(!Link::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 */
+ Link::~Link() {
+ 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 Link::destroy()
+ {
+ if (!currentlyDestroying_) {
+ currentlyDestroying_ = true;
+ onDestruction(this);
+ delete this;
+ }
+ }
+
+ bool Link::isUsed()
+ {
+ return lmm_constraint_used(getModel()->getMaxminSystem(), getConstraint());
+ }
+
+ double Link::latency()
+ {
+ return latency_.peak * latency_.scale;
+ }
+
+ double Link::bandwidth()
+ {
+ return bandwidth_.peak * bandwidth_.scale;
+ }
+
+ int Link::sharingPolicy()
+ {
+ return lmm_constraint_sharing_policy(getConstraint());
+ }
+
+ void Link::turnOn(){
+ if (isOff()) {
+ Resource::turnOn();
+ onStateChange(this);
+ }
+ }
+ void Link::turnOff(){
+ if (isOn()) {
+ Resource::turnOff();
+ onStateChange(this);
+ }
+ }
+ 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 Link::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);
+ }
+ void Link::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);
+ }
+
+
+ /**********
+ * Action *
+ **********/
+
+ void NetworkAction::setState(Action::State state){
+ Action::State old = getState();
+ Action::setState(state);
+ networkActionStateChangedCallbacks(this, old, state);
+ }
+
+ }
}
#endif /* NETWORK_INTERFACE_CPP_ */