609 lines
21 KiB
CoffeeScript
609 lines
21 KiB
CoffeeScript
###
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# Copyright 2013-2016 Zaid Abdulla
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#
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# GenieACS is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# GenieACS is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with GenieACS. If not, see <http://www.gnu.org/licenses/>.
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###
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crypto = require 'crypto'
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config = require './config'
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common = require './common'
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db = require './db'
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device = require './device'
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sandbox = require './sandbox'
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cache = require './cache'
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extensions = require './extensions'
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init = (deviceId, cwmpVersion, timeout) ->
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timestamp = Date.now()
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deviceData = device.init()
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device.set(deviceData, [], 0, [timestamp, 1, timestamp, 1, timestamp, 0, timestamp, null])
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sessionData = {
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timestamp : timestamp
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deviceId : deviceId
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deviceData : deviceData
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cwmpVersion : cwmpVersion
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timeout : timeout
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provisions: []
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revisions: [0]
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rpcCount: 0
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cycle: 0
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extensionsCache: []
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}
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return sessionData
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loadParameters = (sessionData, toLoad, callback) ->
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# TODO optimize by removing overlaps
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for p, i in toLoad
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device.set(sessionData.deviceData, p, 0, [0, null, 0, null, 0, null, 0, null])
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if sessionData.new
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return callback()
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db.fetchDevice(sessionData.deviceId, sessionData.timestamp, toLoad, (err, parameters) ->
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return callback(err) if err
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if not parameters?
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# Device not available in database, mark as new
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sessionData.new = true
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return callback()
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for p in parameters
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device.set(sessionData.deviceData, p[0], 0, p.slice(1))
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return callback()
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)
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generateRpcId = (sessionData) ->
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if sessionData.rpcCount > 255 or sessionData.cycle > 15 or sessionData.revisions.length > 15
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throw new Error('Too many RPCs')
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return sessionData.timestamp.toString(16) + "0#{sessionData.rpcCount.toString(16)}".slice(-2)
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inform = (sessionData, rpcReq, callback) ->
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timestamp = sessionData.timestamp
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device.set(sessionData.deviceData, ['DeviceID', 'Manufacturer'], 1, [timestamp, 1, timestamp, 0, timestamp, 0, timestamp, [rpcReq.deviceId.Manufacturer, 'xsd:string']])
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device.set(sessionData.deviceData, ['DeviceID', 'OUI'], 1, [timestamp, 1, timestamp, 0, timestamp, 0, timestamp, [rpcReq.deviceId.OUI, 'xsd:string']])
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device.set(sessionData.deviceData, ['DeviceID', 'ProductClass'], 1, [timestamp, 1, timestamp, 0, timestamp, 0, timestamp, [rpcReq.deviceId.ProductClass, 'xsd:string']])
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device.set(sessionData.deviceData, ['DeviceID', 'SerialNumber'], 1, [timestamp, 1, timestamp, 0, timestamp, 0, timestamp, [rpcReq.deviceId.SerialNumber, 'xsd:string']])
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for p in rpcReq.parameterList
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device.set(sessionData.deviceData, common.parsePath(p[0]), 1, [timestamp, 1, timestamp, 0, null, null, timestamp, p.slice(1)])
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device.set(sessionData.deviceData, ['Events', 'Inform'], 1, [timestamp, 1, timestamp, 0, timestamp, 0, timestamp, [timestamp, 'xsd:dateTime']])
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for e in rpcReq.event
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device.set(sessionData.deviceData, ['Events', e.replace(' ', '_')], 1, [timestamp, 1, timestamp, 0, timestamp, 0, timestamp, [timestamp, 'xsd:dateTime']])
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return callback(null, {type : 'InformResponse'})
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addProvisions = (sessionData, provisions) ->
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sessionData.provisions = sessionData.provisions.concat(provisions)
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if sessionData.revisions.length > 1 or sessionData.revisions[0] > 0
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sessionData.cycle += 1
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sessionData.rpcCount = 0
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sessionData.revisions = [0]
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device.collapse(sessionData.deviceData, 1)
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sessionData.extensionsCache.length = 0
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clearProvisions = (sessionData) ->
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sessionData.provisions = []
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if sessionData.revisions.length > 1 or sessionData.revisions[0] > 0
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sessionData.cycle += 1
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sessionData.rpcCount = 0
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sessionData.revisions = [0]
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device.collapse(sessionData.deviceData, 1)
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sessionData.extensionsCache.length = 0
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generateRpcRequest = (sessionData) ->
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res = device.traverse(sessionData.deviceData, null, null, (path, declaration, base, current, descendantTimestamps, children) ->
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if path[0] == 'Tags'
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if path.length == 2 and path[1]? and declaration[7]?
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if declaration[7][0] != current[7][0]
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device.set(sessionData.deviceData, path, 1, [sessionData.timestamp, 1, null, null, null, null, sessionData.timestamp, declaration[7]])
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return
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r = {}
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gpn = false
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descendantRefresh = []
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for i in [0...descendantTimestamps.length] by 1 when descendantTimestamps[i][4]? or descendantTimestamps[i][2]?
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if descendantTimestamps[i][2] > descendantTimestamps[i][4]
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if current[3] == 1
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descendantRefresh[i] = true
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else
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r.object = true if current[2] < descendantTimestamps[i][2]
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for j in [0...i] by 1 when descendantTimestamps[j][4]? or descendantRefresh[j]
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overlap = common.pathOverlap(descendantTimestamps[j][0], descendantTimestamps[i][0], path.length)
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if overlap & 1 and descendantTimestamps[j][4]?
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if descendantRefresh[i] and descendantTimestamps[j][4] > descendantTimestamps[i][2]
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descendantRefresh[i] = false
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if overlap & 2 and descendantTimestamps[i][4]?
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if descendantRefresh[j] and descendantTimestamps[i][4] > descendantTimestamps[j][2]
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descendantRefresh[j] = false
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for d in descendantRefresh when d
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gpn = true
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break
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if declaration.length
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if declaration[0] > current[0]
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r.exist = true
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if declaration[2] > current[2]
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r.object = true
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r.exist = false
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if declaration[4] > current[4]
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r.writable = true
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r.exist = false
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if declaration[6] > current[6]
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if current[7]? or current[3] == 0
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r.gpv ?= []
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r.gpv.push(path)
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r.object = false
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r.exist = false
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gpn = false
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else if not current[2] > 0
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r.object = true
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if declaration[7]? and current[7]?
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if current[4] == 0
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r.writable = true
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else if current[5]
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if declaration[7][0] != current[7][0] or declaration[7][1] != current[7][1]
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r.spv = [[path, declaration[7][0], declaration[7][1]]]
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r.exist = false
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gpn = false
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for k, v of children
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if v.writable or v.object or v.exist
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gpn = true
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if v.gpn
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r.gpn = (r.gpn ? []).concat(v.gpn)
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r.exist = false
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if v.gpv
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r.gpv = (r.gpv ? []).concat(v.gpv)
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r.exist = false
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if v.spv
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r.spv = (r.spv ? []).concat(v.spv)
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r.exist = false
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if gpn
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r.exist = false
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if r.gpn?
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r.gpn = [path].concat(r.gpn)
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else
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r.gpn = [path]
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return r
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)
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if res.gpn?
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rpcReq = {
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type: 'GetParameterNames'
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parameterPath: res.gpn[0].join('.')
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nextLevel: true
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}
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return rpcReq
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if res.gpv?
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rpcReq = {
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type: 'GetParameterValues'
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parameterNames: (p.join('.') for p in res.gpv.slice(0, config.get('TASK_PARAMETERS_BATCH_SIZE', sessionData.deviceId)))
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}
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return rpcReq
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if res.spv?
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rpcReq = {
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type: 'SetParameterValues'
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parameterList: ([p[0].join('.'), p[1], p[2]] for p in res.spv.slice(0, config.get('TASK_PARAMETERS_BATCH_SIZE', sessionData.deviceId)))
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}
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return rpcReq
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return null
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loadDeclarations = (sessionData, virtualParameters, callback) ->
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toLoad = []
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device.traverse(sessionData.deviceData, null, null, (path, declaration, base, current, descendantTimestamps, children) ->
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descendantLoad = []
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for i in [0...descendantTimestamps.length] by 1
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if descendantTimestamps[i][2]?
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if not descendantTimestamps[i][4]?
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toLoad.push(descendantTimestamps[i][0])
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continue
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else if descendantTimestamps[i][2] > descendantTimestamps[i][4]
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descendantLoad[i] = true if descendantTimestamps[i][0].length > path.length + 1
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else if not descendantTimestamps[i][4]?
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continue
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for j in [0...i] by 1 when descendantTimestamps[j][4]? or descendantFlags[j]
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overlap = common.pathOverlap(descendantTimestamps[j][0], descendantTimestamps[i][0], path.length)
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if overlap & 1 and descendantTimestamps[j][4]?
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if descendantLoad[i] and descendantTimestamps[j][0].length == path.length + 1
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descendantLoad[i] = false
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if overlap & 2 and descendantTimestamps[i][4]?
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if descendantLoad[j] and descendantTimestamps[i][0].length == path.length + 1
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descendantLoad[j] = false
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for d, j in descendantLoad when d
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toLoad.push(path.concat(descendantTimestamps[j][0][path.length] ? null))
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if declaration[7]? and not current[4]?
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# Need writable attribute when declaring a value
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toLoad.push(path)
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return
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for i in [0...declaration.length] by 2
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if declaration[i]? and not current[i]?
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toLoad.push(path)
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break
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)
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# Virtual parameters
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for p in toLoad
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if not p[0]? or p[0] == 'VirtualParameters'
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if p.length == 1
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device.set(sessionData.deviceData, ['VirtualParameters'], 1, [sessionData.timestamp, 1, sessionData.timestamp, 1, sessionData.timestamp, 0])
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else if p.length == 2
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if not p[1]?
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for k, v of virtualParameters
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device.set(sessionData.deviceData, ['VirtualParameters', k], 1, [sessionData.timestamp, 1, sessionData.timestamp, 0])
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else if virtualParameters[p[1]]?
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device.set(sessionData.deviceData, ['VirtualParameters', p[1]], 1, [sessionData.timestamp, 1, sessionData.timestamp, 0])
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return loadParameters(sessionData, toLoad, callback)
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extractVirtualParameterDeclarations = (sessionData) ->
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virtualParameterDeclarations = []
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res = device.traverse(sessionData.deviceData, ['VirtualParameters', null], null, (path, declaration, base, current, descendantTimestamps, children) ->
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if path.length == 2 and declaration?.length
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d = [path]
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for i in [0...declaration.length] by 2
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if declaration[i]? and not (declaration[i] <= current[i])
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d[i + 1] = declaration[i]
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if declaration[i + 1]?
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if i != 6 or not current[i + 1]?
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d[i + 2] = declaration[i + 1]
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else if declaration[i + 1][0] != current[i + 1][0] and
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(declaration[i + 1][0] != current[i + 1][0] or not declaration[i + 1][1]?)
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d[i + 2] = declaration[i + 1]
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if d.length > 1
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virtualParameterDeclarations.push(d)
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)
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device.clearDeclarations(sessionData.deviceData, ['VirtualParameters'])
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return virtualParameterDeclarations
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commitVirtualParameter = (sessionData, parameterDeclaration, revision, update) ->
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v = []
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if update.writable?
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if update.writable[0] <= 0
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v[4] = now + update.writable[0]
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else
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v[4] = Math.min(sessionData.timestamp, update.writable[0])
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if parameterDeclaration[5]?
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v[4] = Math.max(parameterDeclaration[5], v[4])
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v[5] = Boolean(JSON.parse(update.writable[1]))
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else if parameterDeclaration[5]? or parameterDeclaration[6]?
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throw new Error('Virtual parameter must provide declared attributes')
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if update.value?
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if update.value[0] <= 0
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v[6] = sessionData.timestamp + update.value[0]
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else
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v[6] = Math.min(now, update.value[0])
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if parameterDeclaration[7]?
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v[6] = Math.max(parameterDeclaration[7], v[6])
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v[7] = device.sanitizeParameterValue(update.value[1])
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else if parameterDeclaration[7]? or parameterDeclaration[8]?
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throw new Error('Virtual parameter must provide declared attributes')
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device.set(sessionData.deviceData, parameterDeclaration[0], revision, v)
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runExtensions = (sessionData, revision, _extensions, callback) ->
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sessionData.extensionsCache[revision] ?= {}
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obj = {}
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for e in _extensions
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obj[JSON.stringify(e)] = e
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counter = 1
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for k, v of obj
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++ counter
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do (k, v) ->
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extensions.run(v, (err, res) ->
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sessionData.extensionsCache[revision][k] = res
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if -- counter == 0 or err
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counter = 0
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return callback(err)
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)
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if -- counter == 0
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return callback()
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rpcRequest = (sessionData, declarations, callback) ->
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allDeclarations = declarations?.slice() ? []
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cache.getProvisionsAndVirtualParameters((err, presetsHash, provisions, virtualParameters) ->
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return callback(err) if err or presetsHash != sessionData.presetsHash
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done = true
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_extensions = []
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for provision in sessionData.provisions
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if not provisions[provision[0]]?
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switch provision[0]
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when 'refresh'
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path = common.parsePath(provision[1])
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for i in [path.length...16] by 1
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path.length = i
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allDeclarations.push([path.slice(), provision[2], null, 1, null, 1, null, provision[2]])
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when 'value'
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allDeclarations.push([common.parsePath(provision[1]), 1, null, null, null, null, null, 1, [provision[2]]])
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when 'tag'
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allDeclarations.push([[['Tags', provision[1]], null, null, null, null, null, null, null, [provision[2], 'xsd:boolean']]])
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continue
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ret = sandbox.run(provisions[provision[0]].script, provision.slice(1), sessionData.deviceData, sessionData.extensionsCache, 0, sessionData.revisions[0] >> 1)
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if ret.extensions?.length
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_extensions = _extensions.concat(ret.extensions)
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done &&= ret.done
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allDeclarations = allDeclarations.concat(ret.declarations)
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if done and (not allDeclarations?.length or sessionData.revisions[0] > 1)
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return callback()
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if _extensions.length
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runExtensions(sessionData, (sessionData.revisions[0] >> 1), _extensions, (err) ->
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return callback(err) if err
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return rpcRequest(sessionData, declarations, callback)
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)
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return
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doVirtualParameters = (iter, virtualParameterDeclarations, cb) ->
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if not virtualParameterDeclarations?
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virtualParameterDeclarations = extractVirtualParameterDeclarations(sessionData)
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if not virtualParameterDeclarations?.length
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return cb(false)
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sessionData.revisions[iter] ?= 0
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decs = []
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virtualParameterUpdates = []
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_extensions = []
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lastRevision = sessionData.revisions.reduce((a, b) -> (a >> 1) + (b >> 1))
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firstRevision = lastRevision - (sessionData.revisions[sessionData.revisions.length - 1] >> 1)
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for vpd, i in virtualParameterDeclarations
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vpName = vpd[0][1]
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continue if not virtualParameters[vpName]?
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ret = sandbox.run(virtualParameters[vpName].script, [vpd.slice(1)], sessionData.deviceData, sessionData.extensionsCache, firstRevision, lastRevision)
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if ret.extensions?.length
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_extensions = _extensions.concat(ret.extensions)
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decs = decs.concat(ret.declarations)
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if ret.done
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virtualParameterUpdates.push(ret.returnValue)
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if _extensions.length
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runExtensions(sessionData, lastRevision, _extensions, (err) ->
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return callback(err) if err
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return doVirtualParameters(iter, virtualParameterDeclarations, cb)
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)
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return
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if virtualParameterUpdates.length == virtualParameterDeclarations.length
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rev = sessionData.revisions.reduce((a, b) -> (a >> 1) + (b >> 1))
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for vpd, i in virtualParameterDeclarations
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commitVirtualParameter(sessionData, vpd, rev + 1, virtualParameterUpdates[i])
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if sessionData.revisions[iter] == 0
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return cb(false)
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sessionData.revisions.length = iter
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rev = sessionData.revisions.reduce((a, b) -> (a >> 1) + (b >> 1))
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device.collapse(sessionData.deviceData, rev + 1)
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if sessionData.extensionsCache.length > rev + 1
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sessionData.extensionsCache.length = rev + 1
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return cb(true)
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applyDeclarations(iter, decs, () ->
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return doVirtualParameters(iter, virtualParameterDeclarations, cb)
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)
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applyDeclarations = (iter, decs, cb) ->
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if sessionData.revisions[iter] % 2 == 0
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for declaration in decs
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for d in device.getPrerequisiteDeclarations(declaration)
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device.declare(sessionData.deviceData, d[0], d.slice(1), sessionData.timestamp)
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else
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for declaration in decs
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params = device.getAll(sessionData.deviceData, declaration[0], (sessionData.revisions[iter] >> 1) + 1)
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# TODO move setting tags elsewhere
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if declaration[0][0] == 'Tags' and declaration[0].length == 2
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if not declaration[0][1]?
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continue if declaration[8][0]
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else if params.length == 0
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device.set(sessionData.deviceData, declaration[0], 1, [sessionData.timestamp, 1, null, null, null, null, sessionData.timestamp, [false, 'xsd:boolean']])
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device.declare(sessionData.deviceData, declaration[0], declaration.slice(1), sessionData.timestamp)
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continue
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for p in params
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device.declare(sessionData.deviceData, p[0], declaration.slice(1), sessionData.timestamp)
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nextRpc = (applied) ->
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if not applied
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if (rpcReq = generateRpcRequest(sessionData))?
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sessionData.rpcRequest = rpcReq
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return callback(null, generateRpcId(sessionData), rpcReq)
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if ++ sessionData.revisions[iter] % 2 == 0
|
|
return cb()
|
|
else
|
|
return applyDeclarations(iter, decs, cb)
|
|
|
|
if sessionData.revisions.length > iter + 1
|
|
doVirtualParameters(iter + 1, null, nextRpc)
|
|
else
|
|
loadDeclarations(sessionData, virtualParameters, (err) ->
|
|
return callback(err) if err
|
|
doVirtualParameters(iter + 1, null, nextRpc)
|
|
)
|
|
|
|
applyDeclarations(0, allDeclarations, () ->
|
|
return rpcRequest(sessionData, declarations, callback)
|
|
)
|
|
)
|
|
|
|
|
|
rpcResponse = (sessionData, id, rpcRes, callback) ->
|
|
if id != generateRpcId(sessionData)
|
|
return callback(new Error('Request ID not recognized'))
|
|
|
|
++ sessionData.rpcCount
|
|
|
|
rpcReq = sessionData.rpcRequest
|
|
sessionData.rpcRequest = null
|
|
|
|
timestamp = sessionData.timestamp
|
|
revision = sessionData.revisions.reduce((a, b) -> (a >> 1) + (b >> 1)) + 1
|
|
|
|
switch rpcRes.type
|
|
when 'GetParameterValuesResponse'
|
|
return callback(new Error('Response type does not match request type')) if rpcReq.type isnt 'GetParameterValues'
|
|
|
|
for p in rpcRes.parameterList
|
|
device.set(sessionData.deviceData, common.parsePath(p[0]), revision, [timestamp, 1, timestamp, 0, null, null, timestamp, p.slice(1)])
|
|
|
|
when 'GetParameterNamesResponse'
|
|
return callback(new Error('Response type does not match request type')) if rpcReq.type isnt 'GetParameterNames'
|
|
|
|
device.set(sessionData.deviceData, common.parsePath(rpcReq.parameterPath).concat(null), revision, timestamp)
|
|
|
|
for p in rpcRes.parameterList
|
|
if common.endsWith(p[0], '.')
|
|
path = common.parsePath(p[0][0...-1])
|
|
if not rpcReq.nextLevel
|
|
device.set(sessionData.deviceData, path.conact(null), revision, timestamp)
|
|
|
|
device.set(sessionData.deviceData, path, revision, [timestamp, 1, timestamp, 1, timestamp, if p[1] then 1 else 0])
|
|
else
|
|
device.set(sessionData.deviceData, common.parsePath(p[0]), revision, [timestamp, 1, timestamp, 0, timestamp, if p[1] then 1 else 0])
|
|
|
|
when 'SetParameterValuesResponse'
|
|
return callback(new Error('Response type does not match request type')) if rpcReq.type isnt 'SetParameterValues'
|
|
|
|
for p in rpcReq.parameterList
|
|
device.set(sessionData.deviceData, common.parsePath(p[0]), revision, [timestamp, 1, timestamp, 0, timestamp, 1, timestamp, p.slice(1)])
|
|
|
|
else
|
|
return callback(new Error('Response type not recognized'))
|
|
|
|
return callback()
|
|
|
|
|
|
rpcFault = (sessionData, id, faultResponse, callback) ->
|
|
throw new Error('Not implemented')
|
|
|
|
|
|
load = (id, callback) ->
|
|
db.redisClient.get("session_#{id}", (err, sessionData) ->
|
|
return callback(err) if err
|
|
return callback(null, JSON.parse(sessionData))
|
|
)
|
|
|
|
|
|
save = (sessionData, callback) ->
|
|
sessionData.id ?= crypto.randomBytes(8).toString('hex')
|
|
|
|
db.redisClient.setex("session_#{sessionData.id}", sessionData.timeout, JSON.stringify(sessionData), (err) ->
|
|
return callback(err, sessionData.id)
|
|
)
|
|
return
|
|
|
|
|
|
end = (sessionData, callback) ->
|
|
getDiff = (cb) ->
|
|
diff = []
|
|
toLoad = []
|
|
res = device.traverse(sessionData.deviceData, null, null, (path, declaration, base, current, descendantTimestamps, children) ->
|
|
for dt in descendantTimestamps
|
|
if dt[1] >= path.length and dt[3] != dt[4]
|
|
toLoad.push(dt[0]) if not dt[3]?
|
|
diff.push([dt[0], dt[1], dt[3], dt[4]])
|
|
|
|
for i in [0...current.length] by 2
|
|
if current[i] != base[i] or current[i + 1] != base[i + 1]
|
|
if not base[i]?
|
|
toLoad.push(path)
|
|
break
|
|
else
|
|
diff.push([path, path.length, base, current])
|
|
break
|
|
)
|
|
|
|
if toLoad.length
|
|
loadParameters(sessionData, toLoad, (err) ->
|
|
return callback(err) if err
|
|
getDiff(cb)
|
|
)
|
|
return
|
|
|
|
return cb(diff)
|
|
|
|
getDiff((diff) ->
|
|
db.saveDevice(sessionData.deviceId, diff, sessionData.new, (err) ->
|
|
return callback(err) if err
|
|
db.redisClient.del("session_#{sessionData.id}", (err) ->
|
|
callback(err, sessionData.new)
|
|
)
|
|
)
|
|
)
|
|
|
|
|
|
exports.init = init
|
|
exports.inform = inform
|
|
exports.addProvisions = addProvisions
|
|
exports.clearProvisions = clearProvisions
|
|
exports.rpcRequest = rpcRequest
|
|
exports.rpcResponse = rpcResponse
|
|
exports.rpcFault = rpcFault
|
|
exports.end = end
|
|
exports.save = save
|
|
exports.load = load
|