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node-red-nodes/io/stomp/18-stomp.js
Dave Conway-Jones 5f1513bed3 update Stomp to support v1.1
Thanks @ozomer - to close #141
2015-12-17 17:15:01 +00:00

170 lines
5.6 KiB
JavaScript

/**
* Copyright 2014 IBM Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**/
module.exports = function(RED) {
"use strict";
var StompClient = require('stomp-client');
var querystring = require('querystring');
function StompServerNode(n) {
RED.nodes.createNode(this,n);
this.server = n.server;
this.port = n.port;
this.protocolversion = n.protocolversion;
this.vhost = n.vhost;
this.reconnectretries = n.reconnectretries;
this.reconnectdelay = n.reconnectdelay * 1000;
this.name = n.name;
this.username = this.credentials.user;
this.password = this.credentials.password;
}
RED.nodes.registerType("stomp-server",StompServerNode,{
credentials: {
user: {type:"text"},
password: {type: "password"}
}
});
function StompInNode(n) {
RED.nodes.createNode(this,n);
this.server = n.server;
this.topic = n.topic;
this.serverConfig = RED.nodes.getNode(this.server);
this.stompClientOpts = {
address: this.serverConfig.server,
port: this.serverConfig.port * 1,
user: this.serverConfig.username,
pass: this.serverConfig.password,
protocolVersion: this.serverConfig.protocolversion,
reconnectOpts: {
retries: this.serverConfig.reconnectretries * 1,
delay: this.serverConfig.reconnectdelay * 1
}
};
if (this.serverConfig.vhost) {
this.stompClientOpts.vhost = this.serverConfig.vhost;
}
var node = this;
var msg = {topic:this.topic};
node.client = new StompClient(node.stompClientOpts);
node.client.on("connect", function() {
node.status({fill:"green",shape:"dot",text:"connected"});
});
node.client.on("reconnecting", function() {
node.status({fill:"red",shape:"ring",text:"reconnecting"});
node.warn("reconnecting");
});
node.client.on("error", function(error) {
node.status({fill:"grey",shape:"dot",text:"error"});
node.warn(error);
});
node.status({fill:"grey",shape:"ring",text:"connecting"});
node.client.connect(function(sessionId) {
node.log('subscribing to: '+node.topic);
node.client.subscribe(node.topic, function(body, headers) {
try {
msg.payload = JSON.parse(body);
}
catch(e) {
msg.payload = body;
}
msg.headers = headers;
msg.topic = node.topic;
node.send(msg);
});
}, function(error) {
node.status({fill:"grey",shape:"dot",text:"error"});
node.warn(error);
});
node.on("close", function(done) {
if (node.client) {
// disconnect can accept a callback - but it is not always called.
node.client.disconnect();
}
done();
});
}
RED.nodes.registerType("stomp in",StompInNode);
function StompOutNode(n) {
RED.nodes.createNode(this,n);
this.server = n.server;
this.topic = n.topic;
this.serverConfig = RED.nodes.getNode(this.server);
this.stompClientOpts = {
address: this.serverConfig.server,
port: this.serverConfig.port * 1,
user: this.serverConfig.username,
pass: this.serverConfig.password,
protocolVersion: this.serverConfig.protocolversion,
reconnectOpts: {
retries: this.serverConfig.reconnectretries * 1,
delay: this.serverConfig.reconnectdelay * 1
}
};
if (this.serverConfig.vhost) {
this.stompClientOpts.vhost = this.serverConfig.vhost;
}
var node = this;
node.client = new StompClient(node.stompClientOpts);
node.client.on("connect", function() {
node.status({fill:"green",shape:"dot",text:"connected"});
});
node.client.on("reconnecting", function() {
node.status({fill:"red",shape:"ring",text:"reconnecting"});
node.warn("reconnecting");
});
node.client.on("error", function(error) {
node.status({fill:"grey",shape:"dot",text:"error"});
node.warn(error);
});
node.status({fill:"grey",shape:"ring",text:"connecting"});
node.client.connect(function(sessionId) {
}, function(error) {
node.status({fill:"grey",shape:"dot",text:"error"});
node.warn(error);
});
node.on("input", function(msg) {
node.client.publish(node.topic || msg.topic, msg.payload, msg.headers);
});
node.on("close", function(done) {
if (node.client) {
// disconnect can accept a callback - but it is not always called.
node.client.disconnect();
}
done();
});
}
RED.nodes.registerType("stomp out",StompOutNode);
};