Jupiter System For gas tanks monitor

Code:
url = 'http://192.168.1.1/WacMobileService/WebService1.asmx/GetWacStatuses?UserName=string&Password=string&GroupId=string&SubGroupId=string&bOnlyWithAlerts=string&RequiredAlertsBitmap=string&MaxResults=string'

data, err = require('socket.http').request(url)



log('result', data, err)



if not data then

  return

end



sites = {}



callbacks = {

  StartElement = function(p, tag)

    ctag = tag



    if tag == 'wSiteStatus' then

      site = { status = {} }

      state = 'site'

    elseif tag == 'wBulkStatus' then

      status = {}

      state = 'status'

    end

  end,

  EndElement = function(p, tag)

    ctag = nil



    if tag == 'wSiteStatus' then

      state = nil



      if site.SiteId then

        sites[ site.SiteId ] = site

      end

    elseif tag == 'wBulkStatus' then

      state = 'site'



      if status.BulkId then

        site.status[ status.BulkId ] = status

      end

    end

  end,

  CharacterData = function(p, value)

    value = value:trim()



    if #value == 0 or not ctag then

      return

    end



    if state == 'site' then

      site[ ctag ] = value

    elseif state == 'status' then

      status[ ctag ] = value

    end

  end

}



parser = require('lxp').new(callbacks)

parser:parse(data)

parser:close()



log(sites)