mirror of
https://github.com/node-red/node-red-nodes.git
synced 2023-10-10 13:36:58 +02:00
370 lines
13 KiB
JavaScript
370 lines
13 KiB
JavaScript
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var WeMoNG = require('./lib/wemo.js');
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var wemo = new WeMoNG();
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//this won't work as there is no way to stop it...
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//but is that a problem?
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var interval = setInterval(wemo.start.bind(wemo), 60000);
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wemo.start();
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module.exports = function(RED) {
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'use strict';
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var util = require('util');
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var ip = require('ip');
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var bodyParser = require('body-parser');
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var http = require('http');
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var os = require('os');
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var settings = RED.settings;
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var subscriptions = {};
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var sub2dev = {};
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var resubscribe = function() {
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var subs = Object.keys(subscriptions);
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for (var s in subs) {
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if (subs.hasOwnProperty(s)) {
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var sub = subscriptions[subs[s]];
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var dev = wemo.get(subs[s]);
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var reSubOptions = {
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host: dev.ip,
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port: dev.port,
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path: dev.device.UDN.indexOf('Bridge-1_0') < 0 ? '/upnp/event/basicevent1' : '/upnp/event/bridge1',
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method: 'SUBSCRIBE',
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headers: {
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'SID': sub.sid,
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'TIMEOUT': 'Second-300'
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}
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};
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var resub_request = http.request(reSubOptions, function(res) {
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//shoudl raise an error if needed
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if (res.statusCode != 200) {
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console.log('problem with resubscription %s - %s', res.statusCode, res.statusMessage);
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console.log('opts - %s', util.inspect(reSubOptions));
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console.log('dev - %s', util.inspect(dev));
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delete subscriptions[dev];
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delete sub2dev[sub.sid];
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subscribe({dev: subs[s]});
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} else {
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// console.log("resubscription good %s", res.statusCode);
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// console.log("dev - %s", util.inspect(dev));
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}
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});
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resub_request.on('error', function() {
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//console.log("failed to resubscribe to %s", dev.name );
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//need to find a way to resubsribe
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delete subscriptions[dev];
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delete sub2dev[sub.sid];
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subscribe({dev: subs[s]});
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});
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resub_request.end();
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}
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}
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};
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setInterval(resubscribe, 100000);
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var subscribe = function(node) {
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var dev = node.dev;
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var device = wemo.get(dev);
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if (device) {
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if (subscriptions[dev]) {
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//exists
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subscriptions[dev].count++;
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} else {
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//new
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var ipAddr;
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//device.ip
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var interfaces = os.networkInterfaces();
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var interfaceNames = Object.keys(interfaces);
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for (var name in interfaceNames) {
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if (interfaceNames.hasOwnProperty(name)) {
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var addrs = interfaces[interfaceNames[name]];
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for (var add in addrs) {
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if (addrs[add].netmask) {
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//node 0.12 or better
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if (!addrs[add].internal && addrs[add].family == 'IPv4') {
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if (ip.isEqual(ip.mask(addrs[add].address,addrs[add].netmask),ip.mask(device.ip,addrs[add].netmask))) {
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ipAddr = addrs[add].address;
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break;
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}
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}
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} else {
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//node 0.10 not great but best we can do
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if (!addrs[add].internal && addrs[add].family == 'IPv4') {
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ipAddr = addrs[add].address;
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break;
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}
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}
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}
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if (ipAddr) {
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break;
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}
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}
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}
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var callback_url = 'http://' + ipAddr + ':' + settings.uiPort;
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if (settings.httpAdminRoot) {
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callback_url += settings.httpAdminRoot;
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}
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if (callback_url.lastIndexOf('/') != (callback_url.length - 1)) {
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callback_url += '/';
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}
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callback_url += 'wemoNG/notification';
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console.log('Callback URL = %s',callback_url);
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var subscribeOptions = {
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host: device.ip,
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port: device.port,
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path: device.device.UDN.indexOf('Bridge-1_0') < 0 ? '/upnp/event/basicevent1' : '/upnp/event/bridge1',
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method: 'SUBSCRIBE',
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headers: {
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'CALLBACK': '<' + callback_url + '>',
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'NT': 'upnp:event',
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'TIMEOUT': 'Second-300'
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}
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};
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//console.log(util.inspect(subscribeOptions));
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var sub_request = http.request(subscribeOptions, function(res) {
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//console.log("subscribe: %s - %s", device.name, res.statusCode);
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if (res.statusCode == 200) {
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subscriptions[dev] = {'count': 1, 'sid': res.headers.sid};
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sub2dev[res.headers.sid] = dev;
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} else {
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console.log('failed to subsrcibe');
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}
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});
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sub_request.end();
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}
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}
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};
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function unsubscribe(node) {
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var dev = node.dev;
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if (subscriptions[dev]) {
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if (subscriptions[dev].count == 1) {
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var sid = subscriptions[dev].sid;
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var device = wemo.get(dev);
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//need to unsubsribe properly here
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var unSubOpts = {
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host: device.ip,
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port: device.port,
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path: device.device.UDN.indexOf('Bridge-1_0') < 0 ? '/upnp/event/basicevent1' : '/upnp/event/bridge1',
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method: 'UNSUBSCRIBE',
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headers: {
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'SID': sid
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}
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};
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//console.log(util.inspect(unSubOpts));
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var unSubreq = http.request(unSubOpts, function(res) {
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//console.log("unsubscribe: %s \n %s", device.name, res.statusCode);
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delete subscriptions[dev];
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delete sub2dev[sid];
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});
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unSubreq.end();
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} else {
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subscriptions[dev].count--;
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}
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} else {
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//shouldn't ever get here
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}
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}
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var wemoNGConfig = function(n) {
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RED.nodes.createNode(this,n);
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this.device = n.device;
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};
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RED.nodes.registerType('wemo-dev', wemoNGConfig);
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var wemoNGNode = function(n) {
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RED.nodes.createNode(this,n);
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var node = this;
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node.device = n.device;
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node.name = n.name;
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node.dev = RED.nodes.getNode(node.device).device;
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node.status({fill: 'red',shape: 'dot',text: 'searching'});
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//console.log("Control - %j" ,this.dev);
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if (!wemo.get(node.dev)) {
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wemo.on('discovered', function(d) {
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if (node.dev === d) {
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node.status({fill: 'green',shape: 'dot',text: 'found'});
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}
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});
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} else {
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node.status({fill: 'green',shape: 'dot',text: 'found'});
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}
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node.on('input', function(msg) {
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var dev = wemo.get(node.dev);
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if (!dev) {
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//need to show that dev not currently found
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console.log('no device found');
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return;
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}
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var on = 0;
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if (typeof msg.payload === 'string') {
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if (msg.payload == 'on' || msg.payload == '1' || msg.payload == 'true') {
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on = 1;
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} else if (msg.payload === 'toggle') {
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on = 2;
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}
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} else if (typeof msg.payload === 'number') {
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if (msg.payload >= 0 && msg.payload < 3) {
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on = msg.payload;
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}
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} else if (typeof msg.payload === 'object') {
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//object need to get complicated here
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if (msg.payload.state && typeof msg.payload.state === 'number') {
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if (dev.type === 'socket') {
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if (msg.payload >= 0 && msg.payload < 2) {
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on = msg.payload.state;
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}
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} else if (dev.type === 'light' || dev.type === 'group') {
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if (msg.payload >= 0 && msg.payload < 3) {
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on = msg.payload.state;
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}
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}
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}
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} else if (typeof msg.payload === 'boolean') {
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if (msg.payload) {
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on = 1;
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}
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}
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if (dev.type === 'socket') {
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//console.log("socket");
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wemo.toggleSocket(dev, on);
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} else if (dev.type === 'light`') {
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//console.log("light");
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wemo.setStatus(dev,'10006', on);
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} else {
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console.log('group');
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wemo.setStatus(dev, '10006', on);
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}
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});
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};
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RED.nodes.registerType('wemo out', wemoNGNode);
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var wemoNGEvent = function(n) {
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RED.nodes.createNode(this,n);
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var node = this;
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node.ipaddr = n.ipaddr;
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node.device = n.device;
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node.name = n.name;
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node.topic = n.topic;
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node.dev = RED.nodes.getNode(node.device).device;
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node.status({fill: 'red',shape: 'dot',text: 'searching'});
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var onEvent = function(notification) {
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var d = sub2dev[notification.sid];
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if (d == node.dev) {
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var dd = wemo.get(node.dev);
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notification.type = dd.type;
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notification.name = dd.name;
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if (!notification.id) {
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notification.id = node.dev;
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}
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var msg = {
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topic: node.topic ? node.topic : 'wemo',
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payload: notification
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};
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switch (notification.type){
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case 'light':
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case 'group':
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if (dd.id === notification.id) {
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node.send(msg);
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}
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break;
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case 'socket':
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node.send(msg);
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break;
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default:
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}
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}
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};
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wemo.on('event', onEvent);
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if (node.dev) {
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//subscribe to events
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if (wemo.get(node.dev)) {
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node.status({fill: 'green',shape: 'dot',text: 'found'});
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subscribe(node);
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} else {
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wemo.on('discovered', function(d) {
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if (node.dev === d) {
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node.status({fill: 'green',shape: 'dot',text: 'found'});
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subscribe(node);
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}
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});
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}
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} else if (node.ipaddr) {
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//legacy
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var devices = Object.keys(wemo.devices);
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for (var d in devices) {
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if (devices.hasOwnProperty(d)) {
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var device = devices[d];
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if (device.ip === node.ipaddr) {
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node.dev = device.id;
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node.status({fill: 'green',shape: 'circle',text: 'reconfigure'});
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subscribe(node);
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break;
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}
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}
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}
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}
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node.on('close', function(done) {
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//should un subscribe from events
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wemo.removeListener('event', onEvent);
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unsubscribe(node);
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done();
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});
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};
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RED.nodes.registerType('wemo in', wemoNGEvent);
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RED.httpAdmin.get('/wemoNG/devices', function(req, res) {
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res.json(wemo.devices);
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});
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RED.httpAdmin.use('/wemoNG/notification',bodyParser.raw({type: 'text/xml'}));
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RED.httpAdmin.notify('/wemoNG/notification', function(req, res) {
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var notification = {
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'sid': req.headers.sid
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};
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//console.log("Incoming Event %s", req.body.toString());
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wemo.parseEvent(req.body.toString()).then(function(evt) {
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evt.sid = notification.sid;
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wemo.emit('event',evt);
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});
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res.send('');
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});
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};
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