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[simgrid.git] / src / surf / network_cm02.cpp
index d9057a4..ace3af8 100644 (file)
@@ -6,8 +6,9 @@
 
 #include <algorithm>
 
-#include "network_cm02.hpp"
 #include "maxmin_private.hpp"
+#include "network_cm02.hpp"
+#include "simgrid/s4u/host.hpp"
 #include "simgrid/sg_config.h"
 #include "src/instr/instr_private.h" // TRACE_is_enabled(). FIXME: remove by subscribing tracing to the surf signals
 
@@ -136,24 +137,22 @@ NetworkCm02Model::NetworkCm02Model()
   :NetworkModel()
 {
   char *optim = xbt_cfg_get_string("network/optim");
-  int select = xbt_cfg_get_boolean("network/maxmin-selective-update");
+  bool select = xbt_cfg_get_boolean("network/maxmin-selective-update");
 
   if (!strcmp(optim, "Full")) {
     updateMechanism_ = UM_FULL;
     selectiveUpdate_ = select;
   } else if (!strcmp(optim, "Lazy")) {
     updateMechanism_ = UM_LAZY;
-    selectiveUpdate_ = 1;
-    xbt_assert((select == 1) || (xbt_cfg_is_default_value("network/maxmin-selective-update")),
-               "You cannot disable selective update while using the lazy update mechanism!");
+    selectiveUpdate_ = true;
+    xbt_assert(select || (xbt_cfg_is_default_value("network/maxmin-selective-update")),
+               "You cannot disable selective update when using the lazy update mechanism");
   } else {
     xbt_die("Unsupported optimization (%s) for this model. Accepted: Full, Lazy.", optim);
   }
 
-  if (!maxminSystem_)
-    maxminSystem_ = lmm_system_new(selectiveUpdate_);
-
-  routing_model_create(createLink("__loopback__", 498000000, 0.000015, SURF_LINK_FATPIPE, nullptr));
+  maxminSystem_ = lmm_system_new(selectiveUpdate_);
+  loopback_     = createLink("__loopback__", 498000000, 0.000015, SURF_LINK_FATPIPE);
 
   if (updateMechanism_ == UM_LAZY) {
     actionHeap_ = xbt_heap_new(8, nullptr);
@@ -171,10 +170,10 @@ NetworkCm02Model::NetworkCm02Model(void (*specificSolveFun)(lmm_system_t self))
 
 NetworkCm02Model::~NetworkCm02Model() {}
 
-Link* NetworkCm02Model::createLink(const char *name, double bandwidth, double latency, e_surf_link_sharing_policy_t policy,
-    xbt_dict_t properties)
+LinkImpl* NetworkCm02Model::createLink(const char* name, double bandwidth, double latency,
+                                       e_surf_link_sharing_policy_t policy)
 {
-  return new NetworkCm02Link(this, name, properties, bandwidth, latency, policy, maxminSystem_);
+  return new NetworkCm02Link(this, name, bandwidth, latency, policy, maxminSystem_);
 }
 
 void NetworkCm02Model::updateActionsStateLazy(double now, double /*delta*/)
@@ -192,8 +191,8 @@ void NetworkCm02Model::updateActionsStateLazy(double now, double /*delta*/)
         NetworkCm02Link *link = static_cast<NetworkCm02Link*>(lmm_constraint_id(constraint));
         double value = lmm_variable_getvalue(action->getVariable())*
             lmm_get_cnst_weight_from_var(maxminSystem_, action->getVariable(), i);
-        TRACE_surf_link_set_utilization(link->getName(), action->getCategory(), value,
-           action->getLastUpdate(), now - action->getLastUpdate());
+        TRACE_surf_link_set_utilization(link->cname(), action->getCategory(), value, action->getLastUpdate(),
+                                        now - action->getLastUpdate());
       }
     }
 
@@ -217,7 +216,6 @@ void NetworkCm02Model::updateActionsStateLazy(double now, double /*delta*/)
       action->gapRemove();
     }
   }
-  return;
 }
 
 
@@ -250,14 +248,10 @@ void NetworkCm02Model::updateActionsStateFull(double now, double delta)
           lmm_constraint_t constraint = lmm_get_cnst_from_var(maxminSystem_, action->getVariable(), i);
 
           NetworkCm02Link* link = static_cast<NetworkCm02Link*>(lmm_constraint_id(constraint));
-          TRACE_surf_link_set_utilization(link->getName(),
-                                        action->getCategory(),
-                                        (lmm_variable_getvalue(action->getVariable())*
-                                            lmm_get_cnst_weight_from_var(maxminSystem_,
-                                                action->getVariable(),
-                                                i)),
-                                        action->getLastUpdate(),
-                                        now - action->getLastUpdate());
+          TRACE_surf_link_set_utilization(link->cname(), action->getCategory(),
+                                          (lmm_variable_getvalue(action->getVariable()) *
+                                           lmm_get_cnst_weight_from_var(maxminSystem_, action->getVariable(), i)),
+                                          action->getLastUpdate(), now - action->getLastUpdate());
         }
       }
       if (!lmm_get_number_of_cnst_from_var (maxminSystem_, action->getVariable())) {
@@ -286,31 +280,30 @@ void NetworkCm02Model::updateActionsStateFull(double now, double delta)
   }
 }
 
-Action *NetworkCm02Model::communicate(kernel::routing::NetCard *src, kernel::routing::NetCard *dst,
-    double size, double rate)
+Action* NetworkCm02Model::communicate(s4u::Host* src, s4u::Host* dst, double size, double rate)
 {
   int failed = 0;
   double bandwidth_bound;
   double latency = 0.0;
-  std::vector<Link*> * back_route = nullptr;
+  std::vector<LinkImpl*>* back_route = nullptr;
   int constraints_per_variable = 0;
 
-  std::vector<Link*> *route = new std::vector<Link*>();
+  std::vector<LinkImpl*>* route = new std::vector<LinkImpl*>();
 
-  XBT_IN("(%s,%s,%g,%g)", src->name(), dst->name(), size, rate);
+  XBT_IN("(%s,%s,%g,%g)", src->cname(), dst->cname(), size, rate);
 
-  routing_platf->getRouteAndLatency(src, dst, route, &latency);
-  xbt_assert(! route->empty() || latency,
+  src->routeTo(dst, route, &latency);
+  xbt_assert(!route->empty() || latency,
              "You're trying to send data from %s to %s but there is no connecting path between these two hosts.",
-             src->name(), dst->name());
+             src->cname(), dst->cname());
 
   for (auto link: *route)
     if (link->isOff())
       failed = 1;
 
   if (sg_network_crosstraffic == 1) {
-    back_route = new std::vector<Link*>();
-    routing_platf->getRouteAndLatency(dst, src, back_route, nullptr);
+    back_route = new std::vector<LinkImpl*>();
+    dst->routeTo(src, back_route, nullptr);
     for (auto link: *back_route)
       if (link->isOff())
         failed = 1;
@@ -328,10 +321,10 @@ Action *NetworkCm02Model::communicate(kernel::routing::NetCard *src, kernel::rou
   bandwidth_bound = -1.0;
   if (sg_weight_S_parameter > 0)
     for (auto link : *route)
-      action->weight_ += sg_weight_S_parameter / link->getBandwidth();
+      action->weight_ += sg_weight_S_parameter / link->bandwidth();
 
   for (auto link : *route) {
-    double bb = bandwidthFactor(size) * link->getBandwidth();
+    double bb       = bandwidthFactor(size) * link->bandwidth();
     bandwidth_bound = (bandwidth_bound < 0.0) ? bb : std::min(bandwidth_bound, bb);
   }
 
@@ -343,7 +336,8 @@ Action *NetworkCm02Model::communicate(kernel::routing::NetCard *src, kernel::rou
                "Using a model with a gap (e.g., SMPI) with a platform without links (e.g. vivaldi)!!!");
 
     gapAppend(size, route->at(0), action);
-    XBT_DEBUG("Comm %p: %s -> %s gap=%f (lat=%f)", action, src->name(), dst->name(), action->senderGap_, action->latency_);
+    XBT_DEBUG("Comm %p: %s -> %s gap=%f (lat=%f)", action, src->cname(), dst->cname(), action->senderGap_,
+              action->latency_);
   }
 
   constraints_per_variable = route->size();
@@ -367,13 +361,13 @@ Action *NetworkCm02Model::communicate(kernel::routing::NetCard *src, kernel::rou
   }
 
   for (auto link: *route)
-    lmm_expand(maxminSystem_, link->getConstraint(), action->getVariable(), 1.0);
+    lmm_expand(maxminSystem_, link->constraint(), action->getVariable(), 1.0);
 
-  if (sg_network_crosstraffic == 1) {
+  if (back_route != nullptr) { //  sg_network_crosstraffic was activated
     XBT_DEBUG("Fullduplex active adding backward flow using 5%%");
     for (auto link : *back_route)
-      lmm_expand(maxminSystem_, link->getConstraint(), action->getVariable(), .05);
-     
+      lmm_expand(maxminSystem_, link->constraint(), action->getVariable(), .05);
+
     //Change concurrency_share here, if you want that cross-traffic is included in the SURF concurrency
     //(You would also have to change lmm_element_concurrency())
     //lmm_variable_concurrency_share_set(action->getVariable(),2);
@@ -383,55 +377,46 @@ Action *NetworkCm02Model::communicate(kernel::routing::NetCard *src, kernel::rou
   delete back_route;
   XBT_OUT();
 
-  Link::onCommunicate(action, src, dst);
+  simgrid::s4u::Link::onCommunicate(action, src, dst);
   return action;
 }
 
-bool NetworkCm02Model::next_occuring_event_isIdempotent()
-{
-  return true;
-}
-
-void NetworkCm02Model::gapAppend(double size, const Link* link, NetworkAction* action)
-{
-  // Nothing
+void NetworkCm02Model::gapAppend(double size, const LinkImpl* link, NetworkAction* action){
+    // Nothing
 };
 
 /************
  * Resource *
  ************/
-NetworkCm02Link::NetworkCm02Link(NetworkCm02Model *model, const char *name, xbt_dict_t props,
-    double bandwidth,  double latency, e_surf_link_sharing_policy_t policy,
-    lmm_system_t system)
-: Link(model, name, props, lmm_constraint_new(system, this, sg_bandwidth_factor * bandwidth))
+NetworkCm02Link::NetworkCm02Link(NetworkCm02Model* model, const char* name, double bandwidth, double latency,
+                                 e_surf_link_sharing_policy_t policy, lmm_system_t system)
+    : LinkImpl(model, name, lmm_constraint_new(system, this, sg_bandwidth_factor * bandwidth))
 {
-  m_bandwidth.scale = 1.0;
-  m_bandwidth.peak = bandwidth;
+  bandwidth_.scale = 1.0;
+  bandwidth_.peak  = bandwidth;
 
-  m_latency.scale = 1.0;
-  m_latency.peak = latency;
+  latency_.scale = 1.0;
+  latency_.peak  = latency;
 
   if (policy == SURF_LINK_FATPIPE)
-    lmm_constraint_shared(getConstraint());
+    lmm_constraint_shared(constraint());
 
-  Link::onCreation(this);
+  simgrid::s4u::Link::onCreation(this->piface_);
 }
 
-
-
 void NetworkCm02Link::apply_event(tmgr_trace_iterator_t triggered, double value)
 {
 
   /* Find out which of my iterators was triggered, and react accordingly */
-  if (triggered == m_bandwidth.event) {
-    updateBandwidth(value);
-    tmgr_trace_event_unref(&m_bandwidth.event);
+  if (triggered == bandwidth_.event) {
+    setBandwidth(value);
+    tmgr_trace_event_unref(&bandwidth_.event);
 
-  } else if (triggered == m_latency.event) {
-    updateLatency(value);
-    tmgr_trace_event_unref(&m_latency.event);
+  } else if (triggered == latency_.event) {
+    setLatency(value);
+    tmgr_trace_event_unref(&latency_.event);
 
-  } else if (triggered == m_stateEvent) {
+  } else if (triggered == stateEvent_) {
     if (value > 0)
       turnOn();
     else {
@@ -440,7 +425,7 @@ void NetworkCm02Link::apply_event(tmgr_trace_iterator_t triggered, double value)
       double now = surf_get_clock();
 
       turnOff();
-      while ((var = lmm_get_var_from_cnst(getModel()->getMaxminSystem(), getConstraint(), &elem))) {
+      while ((var = lmm_get_var_from_cnst(model()->getMaxminSystem(), constraint(), &elem))) {
         Action *action = static_cast<Action*>( lmm_variable_id(var) );
 
         if (action->getState() == Action::State::running ||
@@ -450,55 +435,57 @@ void NetworkCm02Link::apply_event(tmgr_trace_iterator_t triggered, double value)
         }
       }
     }
-    tmgr_trace_event_unref(&m_stateEvent);
+    tmgr_trace_event_unref(&stateEvent_);
   } else {
     xbt_die("Unknown event!\n");
   }
 
-  XBT_DEBUG("There was a resource state event, need to update actions related to the constraint (%p)",
-       getConstraint());
+  XBT_DEBUG("There was a resource state event, need to update actions related to the constraint (%p)", constraint());
 }
 
-void NetworkCm02Link::updateBandwidth(double value) {
+void NetworkCm02Link::setBandwidth(double value)
+{
 
-  m_bandwidth.peak = value;
+  bandwidth_.peak = value;
 
-  lmm_update_constraint_bound(getModel()->getMaxminSystem(), getConstraint(),
-      sg_bandwidth_factor * (m_bandwidth.peak * m_bandwidth.scale));
-  TRACE_surf_link_set_bandwidth(surf_get_clock(), getName(), sg_bandwidth_factor * m_bandwidth.peak * m_bandwidth.scale);
+  lmm_update_constraint_bound(model()->getMaxminSystem(), constraint(),
+                              sg_bandwidth_factor * (bandwidth_.peak * bandwidth_.scale));
+  TRACE_surf_link_set_bandwidth(surf_get_clock(), cname(), sg_bandwidth_factor * bandwidth_.peak * bandwidth_.scale);
 
   if (sg_weight_S_parameter > 0) {
-    double delta = sg_weight_S_parameter / value - sg_weight_S_parameter / (m_bandwidth.peak * m_bandwidth.scale);
+    double delta = sg_weight_S_parameter / value - sg_weight_S_parameter / (bandwidth_.peak * bandwidth_.scale);
 
     lmm_variable_t var;
     lmm_element_t elem = nullptr, nextelem = nullptr;
     int numelem = 0;
-    while ((var = lmm_get_var_from_cnst_safe(getModel()->getMaxminSystem(), getConstraint(), &elem, &nextelem, &numelem))) {
+    while ((var = lmm_get_var_from_cnst_safe(model()->getMaxminSystem(), constraint(), &elem, &nextelem, &numelem))) {
       NetworkCm02Action *action = (NetworkCm02Action*) lmm_variable_id(var);
       action->weight_ += delta;
       if (!action->isSuspended())
-        lmm_update_variable_weight(getModel()->getMaxminSystem(), action->getVariable(), action->weight_);
+        lmm_update_variable_weight(model()->getMaxminSystem(), action->getVariable(), action->weight_);
     }
   }
 }
 
-void NetworkCm02Link::updateLatency(double value){
-  double delta = value - m_latency.peak;
+void NetworkCm02Link::setLatency(double value)
+{
+  double delta           = value - latency_.peak;
   lmm_variable_t var = nullptr;
   lmm_element_t elem = nullptr;
   lmm_element_t nextelem = nullptr;
   int numelem = 0;
 
-  m_latency.peak = value;
+  latency_.peak = value;
 
-  while ((var = lmm_get_var_from_cnst_safe(getModel()->getMaxminSystem(), getConstraint(), &elem, &nextelem, &numelem))) {
+  while ((var = lmm_get_var_from_cnst_safe(model()->getMaxminSystem(), constraint(), &elem, &nextelem, &numelem))) {
     NetworkCm02Action *action = (NetworkCm02Action*) lmm_variable_id(var);
     action->latCurrent_ += delta;
     action->weight_ += delta;
     if (action->rate_ < 0)
-      lmm_update_variable_bound(getModel()->getMaxminSystem(), action->getVariable(), sg_tcp_gamma / (2.0 * action->latCurrent_));
+      lmm_update_variable_bound(model()->getMaxminSystem(), action->getVariable(),
+                                sg_tcp_gamma / (2.0 * action->latCurrent_));
     else {
-      lmm_update_variable_bound(getModel()->getMaxminSystem(), action->getVariable(),
+      lmm_update_variable_bound(model()->getMaxminSystem(), action->getVariable(),
                                 std::min(action->rate_, sg_tcp_gamma / (2.0 * action->latCurrent_)));
 
       if (action->rate_ < sg_tcp_gamma / (2.0 * action->latCurrent_)) {
@@ -508,7 +495,7 @@ void NetworkCm02Link::updateLatency(double value){
       }
     }
     if (!action->isSuspended())
-      lmm_update_variable_weight(getModel()->getMaxminSystem(), action->getVariable(), action->weight_);
+      lmm_update_variable_weight(model()->getMaxminSystem(), action->getVariable(), action->weight_);
   }
 }
 
@@ -556,10 +543,8 @@ void NetworkCm02Action::updateRemainingLazy(double now)
   lastValue_ = lmm_variable_getvalue(getVariable());
 }
 
-void NetworkCm02Link::gapAppend(double size, const Link* link, NetworkAction* action)
-{
-  // Nothing
+void NetworkCm02Link::gapAppend(double size, const LinkImpl* link, NetworkAction* action){
+    // Nothing
 };
-
 }
 }