Merge pull request #183 from Johen8/master

Fixing the Modify Monitored Item response in the server.

opcua/server/internal_subscription.py

@@ -59,15 +59,15 @@ class MonitoredItemService(object):
     def _modify_monitored_item(self, params):
         with self._lock:
             for mdata in self._monitored_items.values():
-                result = ua.MonitoredItemCreateResult()
+                result = ua.MonitoredItemModifyResult()
                 if mdata.monitored_item_id == params.MonitoredItemId:
+                    self.isub.data.RevisedPublishingInterval = params.RequestedParameters.SamplingInterval
                     result.RevisedSamplingInterval = self.isub.data.RevisedPublishingInterval
                     result.RevisedQueueSize = params.RequestedParameters.QueueSize
                     result.FilterResult = params.RequestedParameters.Filter
                     mdata.parameters = result
                     return result
-            # FIXME modify event subscriptions
-            result = ua.MonitoredItemCreateResult()
+            result = ua.MonitoredItemModifyResult()
             result.StatusCode(ua.StatusCodes.BadMonitoredItemIdInvalid)
             return result