X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/0501f8c994f9488d43010fb5989f284ae7de8ff6..c486ced6e196a837494f2c8a8fb54e6ad02657e5:/src/surf/network_dassf.c?ds=sidebyside

diff --git a/src/surf/network_dassf.c b/src/surf/network_dassf.c
index f878ad61df..ec0b99b94c 100644
--- a/src/surf/network_dassf.c
+++ b/src/surf/network_dassf.c
@@ -229,6 +229,10 @@ static void action_change_state(surf_action_t action,
   return;
 }
 
+/* I nothing more happens, return the date at which the first action that will terminate does terminate */
+/* This returns the time for the first NETWORK action to complete */
+/* It would be nice to store this minimum somewhere so that the next function can
+   figure out whether the min comes from the network or from something else */
 static double share_resources(double now)
 {
   s_surf_action_network_DASSF_t s_action;
@@ -247,6 +251,13 @@ static double share_resources(double now)
   return min;
 }
 
+/* delta: by how many time units the simulation must advance */
+/* In this function: change the state of actions that terminate */
+/* The delta may not come from the network, and thus may be different (smaller) 
+   than the one returned by the function above */
+/* If the delta is a network-caused min, then do not emulate any timer in the
+   network simulation, otherwise fake a timer somehow to advance the simulation of min seconds */
+
 static void update_actions_state(double now, double delta)
 {
   double deltap = 0.0;
@@ -263,19 +274,19 @@ static void update_actions_state(double now, double delta)
     deltap = delta;
     if (action->latency > 0) {
       if (action->latency > deltap) {
-	surf_double_update(&(action->latency),deltap);
+	double_update(&(action->latency),deltap);
 	deltap = 0.0;
       } else {
-	surf_double_update(&(deltap), action->latency);
+	double_update(&(deltap), action->latency);
 	action->latency = 0.0;
       }
       if ((action->latency == 0.0) && !(action->suspended)) 
 	lmm_update_variable_weight(maxmin_system, action->variable, 1.0);
     }
-    surf_double_update(&(action->generic_action.remains),
+    double_update(&(action->generic_action.remains),
 	lmm_variable_getvalue(action->variable) * deltap);
     if (action->generic_action.max_duration != NO_MAX_DURATION)
-      surf_double_update(&(action->generic_action.max_duration), delta);
+      double_update(&(action->generic_action.max_duration), delta);
 
     /*   if(action->generic_action.remains<.00001) action->generic_action.remains=0; */
 
@@ -287,6 +298,7 @@ static void update_actions_state(double now, double delta)
       action->generic_action.finish = surf_get_clock();
       action_change_state((surf_action_t) action, SURF_ACTION_DONE);
     } else {			/* Need to check that none of the resource has failed */
+      /* to ignore for now */
       lmm_constraint_t cnst = NULL;
       int i = 0;
       network_link_DASSF_t nw_link = NULL;
@@ -307,6 +319,7 @@ static void update_actions_state(double now, double delta)
   return;
 }
 
+/* Called only when there is a change in trace: Useless in packet-level simulation */
 static void update_resource_state(void *id,
 				  tmgr_trace_event_t event_type,
 				  double value)