95 lines
3.2 KiB
CoffeeScript
95 lines
3.2 KiB
CoffeeScript
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#-------------------------------------------------------------------------------
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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#-------------------------------------------------------------------------------
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path = require 'path'
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fs = require 'fs'
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_ = require 'underscore'
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utils = require './utils'
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Services = {}
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#-------------------------------------------------------------------------------
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utils.registerClass class ServiceManager
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#---------------------------------------------------------------------------
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constructor: ->
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@services = {}
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#---------------------------------------------------------------------------
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get: (name) ->
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return @services[name] if _.has(@services, name)
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null
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#---------------------------------------------------------------------------
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registerLocalClass: (name) ->
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serviceClass = null
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try
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serviceClass = require "./service/#{name}"
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catch e
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utils.log "local service class not found: #{name}"
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throw e
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@services[name] = new serviceClass
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#---------------------------------------------------------------------------
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registerProxyClass: (name) ->
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intf = getServiceInterface(name)
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if !intf
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utils.exit "proxy service class not found: #{name}"
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if intf.name != name
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utils.exit "proxy interface '#{intf.name}' loaded when '#{name}' requested"
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service = {}
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for method in intf.methods
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service[method.name] = getMethodProxy(name, method.name)
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@services[name] = service
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#-------------------------------------------------------------------------------
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getMethodProxy = (intfName, methodName) ->
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(channels, args...) ->
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channels = [channels] if !_.isArray(channels)
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for channel in channels
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channel.sendMessage(intfName, methodName, args...)
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#-------------------------------------------------------------------------------
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getServiceInterface = (name) ->
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jsonName = "#{name}.json"
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fileName = path.join utils.options.staticWebDir, 'interfaces', jsonName
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return null if !utils.fileExistsSync(fileName)
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contents = fs.readFileSync(fileName, 'utf8')
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serviceInterface = JSON.parse(contents)
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return serviceInterface.interfaces[0]
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#-------------------------------------------------------------------------------
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module.exports = new ServiceManager
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