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