mirror of https://github.com/node-red/node-red.git
91 lines
2.6 KiB
JavaScript
91 lines
2.6 KiB
JavaScript
/**
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* Copyright 2013 IBM Corp.
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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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var RED = require("../../red/red");
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var connectionPool = require("./lib/mqttConnectionPool");
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var util = require("util");
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function MQTTBrokerNode(n) {
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RED.nodes.createNode(this,n);
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this.broker = n.broker;
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this.port = n.port;
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}
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RED.nodes.registerType("mqtt-broker",MQTTBrokerNode);
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function MQTTInNode(n) {
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RED.nodes.createNode(this,n);
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this.topic = n.topic;
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this.broker = n.broker;
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this.brokerConfig = RED.nodes.getNode(this.broker);
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if (this.brokerConfig) {
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this.client = connectionPool.get(this.brokerConfig.broker,this.brokerConfig.port);
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var node = this;
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this.client.subscribe(this.topic,2,function(topic,payload,qos,retain) {
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var msg = {topic:topic,payload:payload,qos:qos,retain:retain};
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if ((node.brokerConfig.broker == "localhost")||(node.brokerConfig.broker == "127.0.0.1")) {
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msg._topic = topic;
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}
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node.send(msg);
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});
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this.client.connect();
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} else {
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this.error("missing broker configuration");
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}
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}
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RED.nodes.registerType("mqtt in",MQTTInNode);
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MQTTInNode.prototype.close = function() {
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if (this.client) {
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this.client.disconnect();
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}
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}
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function MQTTOutNode(n) {
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RED.nodes.createNode(this,n);
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this.topic = n.topic;
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this.broker = n.broker;
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this.brokerConfig = RED.nodes.getNode(this.broker);
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if (this.brokerConfig) {
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this.client = connectionPool.get(this.brokerConfig.broker,this.brokerConfig.port);
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this.on("input",function(msg) {
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if (msg != null) {
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if (this.topic) {
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msg.topic = this.topic;
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}
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this.client.publish(msg);
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}
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});
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this.client.connect();
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} else {
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this.error("missing broker configuration");
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}
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}
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RED.nodes.registerType("mqtt out",MQTTOutNode);
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MQTTOutNode.prototype.close = function() {
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if (this.client) {
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this.client.disconnect();
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}
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}
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