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Merge pull request #74 from anna2130/mqlight
Added mqlight nodes with share property
This commit is contained in:
Dave Conway-Jones
commit
2577911b9f
154
io/mqlight/mqlight.html
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154
io/mqlight/mqlight.html
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<!--
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Copyright 2013,2014 IBM Corp.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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<script type="text/x-red" data-template-name="mqlight in">
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<div class="form-row">
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<label for="node-input-service"><i class="fa fa-globe"></i> Service</label>
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<input type="text" id="node-input-service">
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</div>
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<div class="form-row">
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<label for="node-input-topic"><i class="fa fa-tasks"></i> Topic</label>
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<input type="text" id="node-input-topic" placeholder="nodered/news">
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</div>
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<div class="form-row">
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<label for="node-input-share"><i class="fa fa-tag"></i> Share</label>
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<input type="text" id="node-input-share">
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</div>
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<div class="form-row">
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<label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
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<input type="text" id="node-input-name" placeholder="Name">
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</div>
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</script>
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<script type="text/x-red" data-help-name="mqlight in">
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<p>Provides an MQ Light receive client.</p>
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<p>Subscribes the client to a destination based on the supplied topic and (optional) share arguments.</p>
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<p>Topic can contain any character in the Unicode character set, with # representing a multilevel wildcard and + a single level wildcard as described <a href="https://developer.ibm.com/messaging/mq-light/wildcard-topicpatterns/">here</a>.
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<p>Share identifies a shared destination for which messages are anycast between connected subscribers. If left blank, it defaults to a private destination.</p>
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<p>Received messages will be sent on in <b>msg.payload</b> with their topic sent in <b>msg.topic</b> and the share, if specified, sent in <b>msg.share</b>.</p>
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</script>
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<script type="text/javascript">
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(function() {
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RED.nodes.registerType('mqlight in', {
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category: 'input',
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defaults: {
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name: {value: ""},
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topic: {value: ""},
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share: {value:""},
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service: {type: "mqlight service", required: true}
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},
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color: "#6da7d1",
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inputs: 0,
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outputs: 1,
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icon: "mqlightin.png",
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label: function() {
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if (this.topic) {
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return this.topic+(this.share?" ["+this.share+"]":"");
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} else {
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return this.name || "mqlight";
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}
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},
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labelStyle: function() {
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return this.name ? "node_label_italic" : "";
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}
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});
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})();
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</script>
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<script type="text/x-red" data-template-name="mqlight out">
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<div class="form-row">
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<label for="node-input-service"><i class="fa fa-globe"></i> Service</label>
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<input type="text" id="node-input-service">
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</div>
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<div class="form-row">
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<label for="node-input-topic"><i class="fa fa-tasks"></i> Topic</label>
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<input type="text" id="node-input-topic" placeholder="nodered/news">
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</div>
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<div class="form-row">
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<label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
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<input type="text" id="node-input-name" placeholder="Name">
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</div>
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</script>
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<script type="text/x-red" data-help-name="mqlight out">
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<p>Provides an MQ Light send client.</p>
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<p>Sends the value passed in on <b>msg.payload</b> to the specified topic.</p>
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<p>The topic can be passed in on <b>msg.topic</b>, however the topic in the node must be blank for this to take effect. If the topic is set in the node <b>msg.topic</b> will be overridden.</p>
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</script>
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<script type="text/javascript">
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(function() {
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RED.nodes.registerType('mqlight out', {
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category: 'output',
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defaults: {
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name: {value: ""},
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topic: {value: ""},
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service: {type: "mqlight service", required: true}
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},
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color: "#6da7d1",
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inputs: 1,
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outputs: 0,
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align: "right",
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icon: "mqlightin.png",
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label: function() {
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return this.name || this.topic || "mqlight";
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},
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labelStyle: function() {
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return this.name ? "node_label_italic" : "";
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}
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});
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})();
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</script>
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<script type="text/x-red" data-template-name="mqlight service">
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<div class="form-row node-input-service">
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<label for="node-config-input-service"><i class="fa fa-globe"></i> Service</label>
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<input type="text" id="node-config-input-service" placeholder="amqp://localhost">
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</div>
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<div class="form-row">
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<label for="node-config-input-clientid"><i class="fa fa-tag"></i> ID</label>
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<input type="text" id="node-config-input-clientid" placeholder="Leave blank for auto generated">
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</div>
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<div class="form-row">
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<label for="node-config-input-user"><i class="fa fa-user"></i> Username</label>
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<input type="text" id="node-config-input-user">
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</div>
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<div class="form-row">
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<label for="node-config-input-password"><i class="fa fa-lock"></i> Password</label>
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<input type="password" id="node-config-input-password">
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</div>
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</script>
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<script type="text/javascript">
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RED.nodes.registerType('mqlight service',{
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category: 'config',
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defaults: {
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service: {value: "amqp://localhost", required: true},
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clientid: {value: ""}
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},
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credentials: {
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user: {type: "text"},
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password: {type: "password"}
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},
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label: function() {
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if (this.service == "") {
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this.service = "localhost";
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}
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return (this.clientid ? this.clientid + "@" : "") + this.service;
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}
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});
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</script>
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140
io/mqlight/mqlight.js
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io/mqlight/mqlight.js
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/**
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* Copyright 2013,2014 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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module.exports = function(RED) {
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"use strict";
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var mqlight = require('mqlight');
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var util = require("util");
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function MQLightServiceNode(n) {
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RED.nodes.createNode(this,n);
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var id = "mqlight_" + (n.clientid ? n.clientid : (1+Math.random()*4294967295).toString(16));
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var opts = {
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service: n.service,
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id: id
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};
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if (this.credentials) {
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opts.user = this.credentials.user;
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opts.password = this.credentials.password;
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}
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this.client = mqlight.createClient(opts, function(err) {
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if (err) {
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util.log('[mqlight] ['+id+'] not connected to service '+n.service);
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} else {
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util.log('[mqlight] ['+id+'] connected to service '+n.service);
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}
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});
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}
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RED.nodes.registerType("mqlight service",MQLightServiceNode,{
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credentials: {
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user: {type:"text"},
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password: {type: "password"}
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}
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});
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function MQLightIn(n) {
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RED.nodes.createNode(this, n);
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this.topic = n.topic || "";
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this.share = n.share || null;
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this.service = n.service;
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this.serviceConfig = RED.nodes.getNode(this.service);
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var node = this;
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if (node.serviceConfig) {
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if (node.serviceConfig.client) {
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var recvClient = node.serviceConfig.client;
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recvClient.on("started", function() {
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recvClient.on("message", function(data, delivery) {
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var msg = {
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topic: delivery.message.topic,
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payload: data,
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_session: {
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type: "mqlight",
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id: recvClient.id
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}
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};
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if (delivery.destination.share) {
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msg.share = delivery.destination.share;
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}
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node.send(msg);
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});
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var subscribeCallback = function(err) {
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if (err) {
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node.error("Failed to subscribe: " + err);
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} else {
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node.log("Subscribed to "+node.topic+(node.share?" ["+node.share+"]":""));
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}
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};
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if (node.share) {
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recvClient.subscribe(node.topic, node.share, subscribeCallback);
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} else {
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recvClient.subscribe(node.topic, subscribeCallback);
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}
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});
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recvClient.start();
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node.on("close", function (done) {
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recvClient.stop(done);
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});
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}
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}
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}
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RED.nodes.registerType("mqlight in", MQLightIn);
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function MQLightOut(n) {
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RED.nodes.createNode(this, n);
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this.topic = n.topic || "";
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this.service = n.service;
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this.serviceConfig = RED.nodes.getNode(this.service);
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var node = this;
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if (node.serviceConfig) {
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if (node.serviceConfig.client) {
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var sendClient = node.serviceConfig.client;
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sendClient.on("started", function () {
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node.on("input", function(msg) {
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if (node.topic === "") {
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if (msg.topic) {
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node.topic = msg.topic;
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} else {
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node.warn("No topic set in MQ Light out node");
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return;
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}
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}
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sendClient.send(node.topic, msg.payload, function(err) {
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if (err) {
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node.error(err);
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}
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});
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});
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});
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sendClient.start();
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node.on("close", function (done) {
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sendClient.stop(done);
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});
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}
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}
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}
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RED.nodes.registerType("mqlight out", MQLightOut);
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};
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