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Make sure that NS3 simulation advance if there are active flows even if NS3 returns...
[simgrid.git] / src / surf / network_ns3.c
index b9f2de5..86c1aa1 100644 (file)
@@ -417,20 +417,19 @@ static double ns3_share_resources(double min)
          surf_network_model->states.running_action_set;
 
        //get the first relevant value from the running_actions list
-       if (!xbt_swag_size(running_actions))
-       return -1.0;
+       if (!xbt_swag_size(running_actions) || min == 0.0)
+         return -1.0;
+       else
+        do {
+          ns3_simulator(min);
+          time_to_next_flow_completion = ns3_time() - surf_get_clock();
+        } while(time_to_next_flow_completion==0.0);
+
+       XBT_DEBUG("min       : %f",min);
+       XBT_DEBUG("ns3  time : %f",ns3_time());
+       XBT_DEBUG("surf time : %f",surf_get_clock());
+       XBT_DEBUG("Next completion %f :",time_to_next_flow_completion);
 
-       ns3_simulator(min);
-       time_to_next_flow_completion = ns3_time() - surf_get_clock();
-
-//     XBT_INFO("min       : %f",min);
-//     XBT_INFO("ns3  time : %f",ns3_time());
-//     XBT_INFO("surf time : %f",surf_get_clock());
-
-       xbt_assert(time_to_next_flow_completion,
-                         "Time to next flow completion not initialized!\n");
-
-       XBT_DEBUG("ns3_share_resources return %f",time_to_next_flow_completion);
        return time_to_next_flow_completion;
 }