add debug logging of topology

Signed-off-by: Csaba Kiraly <csaba.kiraly@gmail.com>

DAS/simulator.py

@@ -75,6 +75,11 @@ class Simulator:
                 val1.columnNeighbors[id].update({val2.ID : Neighbor(val2, self.shape.blockSize)})
                 val2.columnNeighbors[id].update({val1.ID : Neighbor(val1, self.shape.blockSize)})
 
+        if self.logger.isEnabledFor(logging.DEBUG):
+            for i in range(1, self.shape.numberValidators):
+                self.logger.debug("Val %d : rowN %s", i, self.validators[i].rowNeighbors, extra=self.format)
+                self.logger.debug("Val %d : colN %s", i, self.validators[i].columnNeighbors, extra=self.format)
+
     def initLogger(self):
         """It initializes the logger."""
         logger = logging.getLogger("DAS")