Initial commit

tasks.coffee

@@ -0,0 +1,71 @@
+BATCH_SIZE = 16
+
+endsWith = (str, suffix) ->
+  str.indexOf(suffix, str.length - suffix.length) isnt -1
+
+this.init = (task, request, response) ->
+  if not task.subtask?
+    task.subtask = {'name' : 'getParameterNames', 'parameterPath' : '', 'nextLevel' : false}
+
+  if task.subtask.name == 'getParameterNames'
+    ret = this.getParameterNames(task.subtask, request, response)
+    if ret? and ret.parameterNames? # task finished
+      parameterNames = []
+      for p in ret.parameterNames
+        if not endsWith(p[0], '.')
+          parameterNames.push(p[0])
+      task.subtask = {'name' : 'getParameterValues', 'parameterNames' : parameterNames}
+    else
+      return
+
+  if task.subtask.name == 'getParameterValues'
+    return this.getParameterValues(task.subtask, request, response)
+
+  throw 'Unspecified error'
+
+this.getParameterNames = (task, request, response) ->
+  if request.getParameterNamesResponse?
+    return {'parameterNames' : request.getParameterNamesResponse}
+  else
+    response.getParameterNames = [task.parameterPath, if task.nextLevel? task.nextLevel else false]
+  return
+
+this.getParameterValues = (task, request, response) ->
+  if not task.currentIndex?
+    task.currentIndex = 0
+  else if request.getParameterValuesResponse?
+    task.currentIndex = task.nextIndex
+
+  task.nextIndex = Math.min(task.currentIndex + BATCH_SIZE, task.parameterNames.length)
+  names = task.parameterNames.slice(task.currentIndex, task.nextIndex)
+
+  if names.length > 0
+    response.getParameterValues = names
+
+  if request.getParameterValuesResponse
+    return {'parameterValues' : request.getParameterValuesResponse}
+  return
+
+this.setParameterValues = (task, request, response) ->
+  if not task.currentIndex?
+    task.currentIndex = 0
+  else if request.setParameterValuesResponse?
+    prevValues = task.parameterValues.slice(task.currentIndex, task.nextIndex)
+    task.currentIndex = task.nextIndex
+
+  task.nextIndex = Math.min(task.currentIndex + BATCH_SIZE, task.parameterValues.length)
+  values = task.parameterValues.slice(task.currentIndex, task.nextIndex)
+
+  if values.length > 0
+    response.setParameterValues = values
+
+  if prevValues?
+    return {'parameterValues' : prevValues}
+  return
+
+this.reboot = (task, request, response) ->
+  if not request.reboot
+    response.reboot = 'reboot'
+  
+exports.task = (task, request, response) ->
+  return this[task.name](task, request, response)