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objectifies the Future Event Set of trace events
[simgrid.git] / src / surf / network_interface.cpp
index 15df730..323652b 100644 (file)
@@ -4,6 +4,8 @@
 /* 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"
 
@@ -16,7 +18,9 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_network, surf,
 /*********
  * C API *
  *********/
-SG_BEGIN_DECL()
+
+extern "C" {
+
 const char* sg_link_name(Link *link) {
   return link->getName();
 }
@@ -39,8 +43,8 @@ void* sg_link_data(Link *link) {
 void sg_link_data_set(Link *link,void *data) {
        link->setData(data);
 }
-int sg_link_amount(void) {
-       return Link::linksAmount();
+int sg_link_count(void) {
+       return Link::linksCount();
 }
 Link** sg_link_list(void) {
        return Link::linksList();
@@ -48,11 +52,16 @@ Link** sg_link_list(void) {
 void sg_link_exit(void) {
        Link::linksExit();
 }
-SG_END_DECL()
+
+}
+
 /*****************
  * List of links *
  *****************/
 
+namespace simgrid {
+namespace surf {
+
 boost::unordered_map<std::string,Link *> *Link::links = new boost::unordered_map<std::string,Link *>();
 Link *Link::byName(const char* name) {
          Link * res = NULL;
@@ -63,7 +72,7 @@ Link *Link::byName(const char* name) {
          return res;
 }
 /** @brief Returns the amount of links in the platform */
-int Link::linksAmount() {
+int Link::linksCount() {
          return links->size();
 }
 /** @brief Returns a list of all existing links */
@@ -78,18 +87,23 @@ Link **Link::linksList() {
 /** @brief destructor of the static data */
 void Link::linksExit() {
        for (auto kv : *links)
-               delete (kv.second);
+               (kv.second)->destroy();
        delete links;
 }
+
 /*************
  * 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;
+simgrid::xbt::signal<void(simgrid::surf::Link*)> Link::onCreation;
+simgrid::xbt::signal<void(simgrid::surf::Link*)> Link::onDestruction;
+simgrid::xbt::signal<void(simgrid::surf::Link*, int, int)> Link::onStateChange; // signature: wasOn, currentlyOn
+
+simgrid::xbt::signal<void(simgrid::surf::NetworkAction*, e_surf_action_state_t, e_surf_action_state_t)> networkActionStateChangedCallbacks;
+simgrid::xbt::signal<void(simgrid::surf::NetworkAction*, simgrid::surf::NetCard *src, simgrid::surf::NetCard *dst, double size, double rate)> networkCommunicateCallbacks;
+
+}
+}
 
 void netlink_parse_init(sg_platf_link_cbarg_t link){
   if (link->policy == SURF_LINK_FULLDUPLEX) {
@@ -100,7 +114,7 @@ void netlink_parse_init(sg_platf_link_cbarg_t link){
                       link->bandwidth_trace,
                       link->latency,
                       link->latency_trace,
-                      link->state,
+                      link->initiallyOn,
                       link->state_trace, link->policy, link->properties);
     xbt_free(link_id);
     link_id = bprintf("%s_DOWN", link->id);
@@ -109,7 +123,7 @@ void netlink_parse_init(sg_platf_link_cbarg_t link){
                       link->bandwidth_trace,
                       link->latency,
                       link->latency_trace,
-                      link->state,
+                      link->initiallyOn,
                       link->state_trace, link->policy, link->properties);
     xbt_free(link_id);
   } else {
@@ -118,20 +132,19 @@ void netlink_parse_init(sg_platf_link_cbarg_t link){
                          link->bandwidth_trace,
                          link->latency,
                          link->latency_trace,
-                         link->state,
+                         link->initiallyOn,
                          link->state_trace, link->policy, link->properties);
   }
 }
 
-void net_add_traces(){
-  surf_network_model->addTraces();
-}
-
 /*********
  * Model *
  *********/
 
-NetworkModel *surf_network_model = NULL;
+simgrid::surf::NetworkModel *surf_network_model = NULL;
+
+namespace simgrid {
+namespace surf {
 
 double NetworkModel::latencyFactor(double /*size*/) {
   return sg_latency_factor;
@@ -164,7 +177,7 @@ double NetworkModel::shareResourcesFull(double now)
     }
 #endif
     if (action->m_latency > 0) {
-      minRes = (minRes < 0) ? action->m_latency : min(minRes, action->m_latency);
+      minRes = (minRes < 0) ? action->m_latency : std::min(minRes, action->m_latency);
     }
   }
 
@@ -177,31 +190,45 @@ double NetworkModel::shareResourcesFull(double now)
  * Resource *
  ************/
 
-Link::Link(NetworkModel *model, const char *name, xbt_dict_t props)
-: Resource(model, name, props)
+Link::Link(simgrid::surf::NetworkModel *model, const char *name, xbt_dict_t props)
+: Resource(model, name),
+  PropertyHolder(props)
 {
   links->insert({name, this});
 
   XBT_DEBUG("Create link '%s'",name);
 }
 
-Link::Link(NetworkModel *model, const char *name, xbt_dict_t props,
+Link::Link(simgrid::surf::NetworkModel *model, const char *name, xbt_dict_t props,
                                 lmm_constraint_t constraint,
-                            tmgr_history_t history,
+                          sg_future_evt_set_t fes,
                             tmgr_trace_t state_trace)
-: Resource(model, name, props, constraint)
+: Resource(model, name, constraint),
+  PropertyHolder(props)
 {
   if (state_trace)
-    p_stateEvent = tmgr_history_add_trace(history, state_trace, 0.0, 0, this);
+    p_stateEvent = fes->add_trace(state_trace, 0.0, 0, this);
 
   links->insert({name, this});
   XBT_DEBUG("Create link '%s'",name);
 
 }
 
-Link::~Link()
+/** @brief use destroy() instead of this destructor */
+Link::~Link() {
+       xbt_assert(currentlyDestroying_, "Don't delete Links directly. Call destroy() instead.");
+}
+/** @brief Fire the require callbacks and destroy the object
+ *
+ * Don't delete directly an Link, call l->destroy() instead.
+ */
+void Link::destroy()
 {
-  surf_callback_emit(networkLinkDestructedCallbacks, this);
+       if (!currentlyDestroying_) {
+               currentlyDestroying_ = true;
+               onDestruction(this);
+               delete this;
+       }
 }
 
 bool Link::isUsed()
@@ -224,13 +251,18 @@ int Link::sharingPolicy()
   return lmm_constraint_sharing_policy(getConstraint());
 }
 
-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);
+void Link::turnOn(){
+  if (isOff()) {
+    Resource::turnOn();
+    onStateChange(this, 0, 1);
+  }
+}
+void Link::turnOff(){
+  if (isOn()) {
+    Resource::turnOff();
+    onStateChange(this, 1, 0);
+  }
 }
-
-
 
 /**********
  * Action *
@@ -239,7 +271,10 @@ void Link::setState(e_surf_resource_state_t state){
 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);
+  networkActionStateChangedCallbacks(this, old, state);
+}
+
+}
 }
 
 #endif /* NETWORK_INTERFACE_CPP_ */