fix in the rsvp controller. When you would modify an existing reservation and...

fix in the rsvp controller. When you would modify an existing reservation and change the priority the algorithm had a small bug

03-RSVP/solution/rsvp_controller.py

@@ -371,6 +371,10 @@ class RSVPController(object):
                 # check if the flow could be placed removing lower priorities
                 previous_links_capacities =  self.links_capacity.copy()
                 for reservation, data in self.current_reservations.items():
+                    # make sure we do not remove ourselves 
+                    # again in case this is a modification
+                    if reservation == (src, dst):
+                        continue
                     if data['priority'] < priority:
                         self.add_link_capacity(data['path'], data['bw'])