simplify constant model a bit

[simgrid.git] / src / surf / network_interface.cpp

diff --git a/src/surf/network_interface.cpp b/src/surf/network_interface.cpp
index 31147f789044eee23865a62049726f89927d6521..c08c2833f0627a8e5f082f213053b416fcb5d328 100644 (file)
--- a/src/surf/network_interface.cpp
+++ b/src/surf/network_interface.cpp
@@ -138,10 +138,9 @@ void LinkImpl::turn_off()
     Resource::turn_off();
     s4u::Link::on_state_change(this->piface_);
 
-    const kernel::lmm::Variable* var;
     const kernel::lmm::Element* elem = nullptr;
     double now                       = surf_get_clock();
-    while ((var = get_constraint()->get_variable(&elem))) {
+    while (const auto* var = get_constraint()->get_variable(&elem)) {
       Action* action = var->get_id();
       if (action->get_state() == Action::State::INITED || action->get_state() == Action::State::STARTED) {
         action->set_finish_time(now);
@@ -163,16 +162,22 @@ void LinkImpl::on_bandwidth_change() const
   s4u::Link::on_bandwidth_change(this->piface_);
 }
 
-void LinkImpl::set_bandwidth_profile(profile::Profile* profile)
+LinkImpl* LinkImpl::set_bandwidth_profile(profile::Profile* profile)
 {
-  xbt_assert(bandwidth_.event == nullptr, "Cannot set a second bandwidth profile to Link %s", get_cname());
-  bandwidth_.event = profile->schedule(&profile::future_evt_set, this);
+  if (profile) {
+    xbt_assert(bandwidth_.event == nullptr, "Cannot set a second bandwidth profile to Link %s", get_cname());
+    bandwidth_.event = profile->schedule(&profile::future_evt_set, this);
+  }
+  return this;
 }
 
-void LinkImpl::set_latency_profile(profile::Profile* profile)
+LinkImpl* LinkImpl::set_latency_profile(profile::Profile* profile)
 {
-  xbt_assert(latency_.event == nullptr, "Cannot set a second latency profile to Link %s", get_cname());
-  latency_.event = profile->schedule(&profile::future_evt_set, this);
+  if (profile) {
+    xbt_assert(latency_.event == nullptr, "Cannot set a second latency profile to Link %s", get_cname());
+    latency_.event = profile->schedule(&profile::future_evt_set, this);
+  }
+  return this;
 }
 
 /**********