Ignore GetParameterValues errors during initialization step

acs.coffee

@@ -106,6 +106,7 @@ runTask = (currentRequest, task, methodResponse) ->
         nextTask(currentRequest)
       )
     when tasks.STATUS_FAULT
+      util.log("#{currentRequest.deviceId}: Fault response for task #{taskId}")
       db.saveTask(task, (err) ->
         # Faulty task. No more work to do until task is deleted.
         res = tr069.response(null, cwmpResponse)
@@ -261,7 +262,6 @@ else
         )
       else if cwmpRequest.fault?
         taskId = cwmpRequest.id
-        util.log("#{currentRequest.deviceId}: Fault response for task #{taskId}")
 
         db.getTask(taskId, (task) ->
           if not task

tasks.coffee

@@ -9,14 +9,14 @@ exports.STATUS_FINISHED = STATUS_FINISHED = 4
 
 
 this.init = (task, methodResponse, cwmpResponse, deviceUpdates) ->
-  if methodResponse.faultcode?
-    task.fault = methodResponse
-    return STATUS_FAULT
-
   if not task.subtask?
     task.subtask = {'name' : 'getParameterNames', 'parameterPath' : '', 'nextLevel' : false}
 
   if task.subtask.name == 'getParameterNames'
+    if methodResponse.faultcode?
+      task.fault = methodResponse
+      return STATUS_FAULT
+
     status = this.getParameterNames(task.subtask, methodResponse, cwmpResponse, deviceUpdates)
     if status is STATUS_FINISHED
       parameterNames = []
@@ -28,10 +28,14 @@ this.init = (task, methodResponse, cwmpResponse, deviceUpdates) ->
       throw Error('Unexpected subtask status')
 
   if task.subtask.name == 'getParameterValues'
+    if methodResponse.faultcode?
+      # Ignore GetParameterValues errors. A workaround for the crappy Seewon devices.
+      status = this.getParameterValues(task.subtask, {parameterList : {}}, cwmpResponse, deviceUpdates)
+    else
       status = this.getParameterValues(task.subtask, methodResponse, cwmpResponse, deviceUpdates)
     if status is STATUS_FINISHED
       return STATUS_FINISHED
-    else if status is not STATUS_STARTED
+    else if status isnt STATUS_STARTED
       throw Error('Unexpected subtask status')
 
   return STATUS_STARTED