mirror of
https://github.com/node-red/node-red-nodes.git
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152 lines
4.9 KiB
JavaScript
152 lines
4.9 KiB
JavaScript
/**
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* Copyright 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 StompClient = require('stomp-client');
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var querystring = require('querystring');
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function StompServerNode(n) {
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RED.nodes.createNode(this,n);
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this.server = n.server;
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this.port = n.port;
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this.name = n.name;
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this.username = this.credentials.user;
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this.password = this.credentials.password;
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}
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RED.nodes.registerType("stomp-server",StompServerNode,{
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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 StompInNode(n) {
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RED.nodes.createNode(this,n);
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this.server = n.server;
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this.topic = n.topic;
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this.serverConfig = RED.nodes.getNode(this.server);
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this.host = this.serverConfig.server;
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this.port = this.serverConfig.port;
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this.userid = this.serverConfig.username;
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this.password = this.serverConfig.password;
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var node = this;
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var msg = {topic:this.topic};
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var closing = false;
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node.client = new StompClient(node.host, node.port, node.userid, node.password, '1.0');
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node.status({fill:"grey",shape:"ring",text:"connecting"});
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var doConnect = function() {
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node.client.connect(function(sessionId) {
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node.status({fill:"green",shape:"dot",text:"connected"});
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node.log('subscribed to: '+node.topic);
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node.client.subscribe(node.topic, function(body, headers) {
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try {
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msg.payload = JSON.parse(body);
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}
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catch(e) {
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msg.payload = body;
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}
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msg.headers = headers;
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msg.topic = node.topic;
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node.send(msg);
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});
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}, function(error) {
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node.status({fill:"grey",shape:"dot",text:"error"});
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node.warn(error);
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});
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}
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node.client.on("disconnect", function() {
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node.status({fill:"red",shape:"ring",text:"disconnected"});
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if (!closing) {
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setTimeout( function () { doConnect(); }, 15000);
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}
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});
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node.client.on("error", function(error) {
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node.status({fill:"grey",shape:"dot",text:"error"});
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node.log(error);
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});
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doConnect();
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node.on("close", function(done) {
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closing = true;
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if (node.client) {
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node.client.on("disconnect", function() {
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done();
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});
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//node.client.unsubscribe(node.topic);
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node.client.disconnect();
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} else { done(); }
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});
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}
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RED.nodes.registerType("stomp in",StompInNode);
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function StompOutNode(n) {
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RED.nodes.createNode(this,n);
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this.server = n.server;
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this.topic = n.topic;
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this.serverConfig = RED.nodes.getNode(this.server);
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this.host = this.serverConfig.server;
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this.port = this.serverConfig.port;
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this.userid = this.serverConfig.username;
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this.password = this.serverConfig.password;
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var node = this;
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var msg = {topic:this.topic};
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var closing = false;
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node.client = new StompClient(node.host, node.port, node.userid, node.password, '1.0');
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node.status({fill:"grey",shape:"ring",text:"connecting"});
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node.client.connect( function(sessionId) {
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node.status({fill:"green",shape:"dot",text:"connected"});
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}, function(error) {
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node.status({fill:"grey",shape:"dot",text:"error"});
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node.warn(error);
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});
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node.client.on("disconnect", function() {
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node.status({fill:"red",shape:"ring",text:"disconnected"});
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if (!closing) {
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setTimeout( function () { node.client.connect(); }, 15000);
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}
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});
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node.client.on("error", function(error) {
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node.log(error);
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});
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node.on("input", function(msg) {
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node.client.publish(node.topic || msg.topic, msg.payload);
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});
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node.on("close", function(done) {
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closing = true;
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if (client) { client.disconnect(); }
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});
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}
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RED.nodes.registerType("stomp out",StompOutNode);
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}
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