79 lines
2.7 KiB
JavaScript
79 lines
2.7 KiB
JavaScript
/*
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* Copyright © 2016-2018 The Thingsboard Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* 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, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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'use strict';
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const logger = require('../config/logger')('JsMessageConsumer');
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const Utils = require('./Utils');
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const js = require('./jsinvoke.proto').js;
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const KeyedMessage = require('kafka-node').KeyedMessage;
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exports.onJsInvokeMessage = function(message, producer) {
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logger.info('Received message: %s', JSON.stringify(message));
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var request = js.RemoteJsRequest.decode(message.value);
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logger.info('Received request: %s', JSON.stringify(request));
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var requestId = getRequestId(request);
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logger.info('Received request, responseTopic: [%s]; requestId: [%s]', request.responseTopic, requestId);
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if (request.compileRequest) {
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var scriptId = getScriptId(request.compileRequest);
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logger.info('Received compile request, scriptId: [%s]', scriptId);
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var compileResponse = js.JsCompileResponse.create(
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{
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errorCode: js.JsInvokeErrorCode.COMPILATION_ERROR,
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success: false,
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errorDetails: 'Not Implemented!',
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scriptIdLSB: request.compileRequest.scriptIdLSB,
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scriptIdMSB: request.compileRequest.scriptIdMSB
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}
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);
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const requestIdBits = Utils.UUIDToBits(requestId);
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var response = js.RemoteJsResponse.create(
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{
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requestIdMSB: requestIdBits[0],
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requestIdLSB: requestIdBits[1],
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compileResponse: compileResponse
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}
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);
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var rawResponse = js.RemoteJsResponse.encode(response).finish();
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sendMessage(producer, rawResponse, request.responseTopic, scriptId);
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}
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}
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function sendMessage(producer, rawMessage, responseTopic, scriptId) {
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const message = new KeyedMessage(scriptId, rawMessage);
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const payloads = [ { topic: responseTopic, messages: rawMessage, key: scriptId } ];
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producer.send(payloads, function (err, data) {
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console.log(data);
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});
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}
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function getScriptId(request) {
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return Utils.toUUIDString(request.scriptIdMSB, request.scriptIdLSB);
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}
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function getRequestId(request) {
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return Utils.toUUIDString(request.requestIdMSB, request.requestIdLSB);
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}
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