1 files changed, 62 insertions, 21 deletions

diff --git a/src/Output.c b/src/Output.c
index 449d43b..0dfc9bd 100644
--- a/src/Output.c
+++ b/src/Output.c
@@ -14,6 +14,7 @@
 
 #include "cctk.h"
 #include "cctk_Parameters.h"
+#include "util_String.h"
 #include "Hyperslab.h"
 #include "CactusBase/IOUtil/src/ioGH.h"
 #include "CactusPUGH/PUGH/src/include/pugh.h"
@@ -67,13 +68,8 @@ int IOPanda_OutputGH (const cGH *GH)
   const pandaGH *myGH;
 
 
-  myGH = (const pandaGH *) CCTK_GHExtension (GH, "IOPanda");
-  if (myGH->out_every <= 0)
-  {
-    return (0);
-  }
-
   retval = 0;
+  myGH = (const pandaGH *) CCTK_GHExtension (GH, "IOPanda");
 
   /* loop over all variables */
   for (vindex = CCTK_NumVars () - 1; vindex >= 0; vindex--)
@@ -144,7 +140,8 @@ int IOPanda_OutputVarAs (const cGH *GH, const char *fullname, const char *alias)
   oneshot = myGH->requests[vindex] == NULL;
   if (oneshot)
   {
-    IOUtil_ParseVarsForOutput (GH, fullname, myGH->requests);
+    IOUtil_ParseVarsForOutput (GH, CCTK_THORNSTRING, "IOPanda::out_vars",
+                               fullname, 1, myGH->requests);
   }
 
   /* do the output */
@@ -197,9 +194,9 @@ int IOPanda_TimeFor (const cGH *GH, int vindex)
   CheckSteerableParameters (GH);
 
   /* check if this variable should be output */
-  myGH = (pandaGH *) CCTK_GHExtension (GH, "IOPanda");
-  retval = myGH->out_every > 0 && myGH->requests[vindex] &&
-           GH->cctk_iteration % myGH->out_every == 0;
+  myGH = (const pandaGH *) CCTK_GHExtension (GH, "IOPanda");
+  retval = myGH->requests[vindex] && myGH->requests[vindex]->out_every > 0 &&
+           GH->cctk_iteration % myGH->requests[vindex]->out_every == 0;
   if (retval)
   {
     /* check if variable was not already output this iteration */
@@ -295,29 +292,45 @@ int IOPanda_TriggerOutput (const cGH *GH, int vindex)
 @@*/
 static void CheckSteerableParameters (const cGH *GH)
 {
-  int vindex, times_set;
+  int i, vindex, num_vars;
   pandaGH *myGH;
-  char *fullname;
-  static int out_vars_lastset = -1;
+  char *msg, *fullname;
   DECLARE_CCTK_PARAMETERS
 
 
   /* how often to output */
   myGH = (pandaGH *) CCTK_GHExtension (GH, "IOPanda");
-  myGH->out_every = out_every >= 0 ? out_every : io_out_every;
+  i = myGH->out_every_default;
+  myGH->out_every_default = out_every >= 0 ? out_every : io_out_every;
+
+  /* report if frequency changed */
+  if (myGH->out_every_default != i && ! CCTK_Equals (verbose, "none"))
+  {
+    if (myGH->out_every_default > 0)
+    {
+      CCTK_VInfo (CCTK_THORNSTRING, "IOPanda: Periodic output every %d "
+                  "iterations", myGH->out_every_default);
+    }
+    else
+    {
+      CCTK_INFO ("IOPanda: Periodic output turned off");
+    }
+  }
 
-  /* re-parse the 'out_vars' parameter if it was changed */
-  times_set = CCTK_ParameterQueryTimesSet ("out_vars", CCTK_THORNSTRING);
-  if (times_set != out_vars_lastset)
+  /* re-parse the 'IOPanda::out_vars' parameter if it was changed */
+  if (strcmp (out_vars, myGH->out_vars) || myGH->out_every_default != i)
   {
-    IOUtil_ParseVarsForOutput (GH, out_vars, myGH->requests);
+    IOUtil_ParseVarsForOutput (GH, CCTK_THORNSTRING, "IOPanda::out_vars",
+                               out_vars, myGH->out_every_default,
+                               myGH->requests);
 
     /*** FIXME: IEEEIO doesn't provide a COMPLEX datatype
                 so we should map CCTK_COMPLEX to two REALs here.
                 We have to check for this already here because if an IEEEIO file
                 is created and nothing is written to it, it will crash
                 at re-opening. ***/
-    for (vindex = CCTK_NumVars () - 1; vindex >= 0; vindex--)
+    num_vars = CCTK_NumVars ();
+    for (vindex = 0; vindex < num_vars; vindex++)
     {
       if (! myGH->requests[vindex])
       {
@@ -346,8 +359,36 @@ static void CheckSteerableParameters (const cGH *GH)
       }
     }
 
-    /* save the last setting of 'out_vars' parameter */
-    out_vars_lastset = times_set;
+    if (myGH->out_every_default == i || ! CCTK_Equals (verbose, "none"))
+    {
+      msg = NULL;
+      for (vindex = 0; vindex < num_vars; vindex++)
+      {
+        if (myGH->requests[vindex])
+        {
+          fullname = CCTK_FullName (vindex);
+          if (! msg)
+          {
+            Util_asprintf (&msg, "IOPanda: Periodic output requested for '%s'",
+                           fullname);
+          }
+          else
+          {
+            Util_asprintf (&msg, "%s, '%s'", msg, fullname);
+          }
+          free (fullname);
+        }
+      }
+      if (msg)
+      {
+        CCTK_INFO (msg);
+        free (msg);
+      }
+    }
+
+    /* save the last setting of 'IOPanda::out_vars' parameter */
+    free (myGH->out_vars);
+    myGH->out_vars = strdup (out_vars);
   }
 }