[designs/neutron/snabbnfv-traffic] Check for new config every second.

src/designs/neutron/snabbnfv-traffic

@@ -14,20 +14,22 @@ end
 function run (pciaddr, confpath, sockpath)
    engine.log = true
    local mtime = 0
+   local report_time = 0
    while true do
       local mtime2 = C.stat_mtime(confpath)
       if mtime2 ~= mtime then
          print("Loading " .. confpath)
          config.apply(config.load(confpath, pciaddr, sockpath))
          mtime = mtime2
       end
-      for i = 1, 60 do
-         engine.main({duration=1})
-         -- Flush buffered log messages every 1s
-         io.flush()
-      end
+      engine.main({duration=1})
+      -- Flush buffered log messages every 1s
+      io.flush()
       -- Report each minute
-      engine.report()
+      if (mtime2 - report_time) >= 60 then
+         engine.report()
+         report_time = mtime2
+      end
    end
 end