feat(gateway): add in/out gateway nodes
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Pierre CLEMENT
139
node-red-contrib-xiaomi-gateway/xiaomi-gateway.html
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139
node-red-contrib-xiaomi-gateway/xiaomi-gateway.html
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<!--
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Copyright JS Foundation and other contributors, http://js.foundation
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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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<!-- The Input Node -->
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<script type="text/x-red" data-template-name="xiaomi-gateway in">
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<div class="form-row">
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<label for="node-input-gateway"><i class="icon-tag"></i> Gateway</label>
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<input type="text" id="node-input-gateway" placeholder="xiaomi gateway">
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</div>
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<div class="form-row">
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<label for="node-input-name"><i class="icon-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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<div class="form-row">
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<label for="node-input-ip"><i class="icon-tag"></i> IP</label>
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<input type="text" id="node-input-ip" placeholder="IP" readonly>
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</div>
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</script>
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<script type="text/x-red" data-help-name="xiaomi-gateway in">
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<p>A Xiaomi Gateway input node, that produces a <code>msg.payload</code> containing a
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string with the gateway message content.
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</p>
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</script>
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<script type="text/javascript">
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RED.nodes.registerType('xiaomi-gateway in',{
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category: 'xiaomi',
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color: '#087F8A',
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defaults: {
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name: {value:""},
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gateway: {value:"", type:"xiaomi-configurator"},
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ip: {value:""}
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},
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inputs:0,
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outputs:1,
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paletteLabel: "gateway in",
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icon: "bridge-dash.png",
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label: function() {
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return this.name||"xiaomi-gateway";
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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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oneditprepare: function() {
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function changeGateway() {
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var configNodeID = $('#node-input-gateway').val();
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if (configNodeID) {
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var configNode = RED.nodes.node(configNodeID);
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if(configNode) {
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if(!this.name) {
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$("#node-input-name").val(configNode.name);
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}
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$('#node-input-ip').val(configNode.ip);
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}
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}
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}
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$("#node-input-gateway").change(function () {
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changeGateway();
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});
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}
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});
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</script>
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<!-- The Output Node -->
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<script type="text/x-red" data-template-name="xiaomi-gateway out">
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<div class="form-row">
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<label for="node-input-gateway"><i class="icon-tag"></i> Gateway</label>
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<input type="text" id="node-input-gateway" placeholder="xiaomi gateway">
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</div>
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<div class="form-row">
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<label for="node-input-name"><i class="icon-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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<div class="form-row">
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<label for="node-input-ip"><i class="icon-tag"></i> IP</label>
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<input type="text" id="node-input-ip" placeholder="IP" readonly>
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</div>
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</script>
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<script type="text/x-red" data-help-name="xiaomi-gateway out">
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<p>This node sends <code>msg.payload</code> to the configured Xiaomi Gateway.</p>
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</script>
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<script type="text/javascript">
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RED.nodes.registerType('xiaomi-gateway out',{
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category: 'xiaomi',
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color: '#087F8A',
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defaults: {
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name: {value:""},
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gateway: {value:"", type:"xiaomi-configurator"},
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ip: {value:""}
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},
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inputs:1,
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outputs:0,
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paletteLabel: "gateway out",
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icon: "bridge-dash.png",
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align: "right",
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label: function() {
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return this.name||"xiaomi-gateway";
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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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oneditprepare: function() {
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function changeGateway() {
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var configNodeID = $('#node-input-gateway').val();
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if (configNodeID) {
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var configNode = RED.nodes.node(configNodeID);
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if(configNode) {
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if(!this.name) {
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$("#node-input-name").val(configNode.name);
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}
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$('#node-input-ip').val(configNode.ip);
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}
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}
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}
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$("#node-input-gateway").change(function () {
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changeGateway();
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});
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}
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});
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</script>
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175
node-red-contrib-xiaomi-gateway/xiaomi-gateway.js
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175
node-red-contrib-xiaomi-gateway/xiaomi-gateway.js
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@@ -0,0 +1,175 @@
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/**
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* Copyright JS Foundation and other contributors, http://js.foundation
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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 dgram = require('dgram');
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var udpInputPortsInUse = {};
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// The Input Node
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function GatewayIn(n) {
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RED.nodes.createNode(this,n);
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this.group = "224.0.0.50";
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this.port = 9898;
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this.iface = null;
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this.addr = n.ip;
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this.ipv = this.ip && this.ip.indexOf(":") >= 0 ? "udp6" : "udp4";
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var node = this;
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var opts = {type:node.ipv, reuseAddr:true};
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if (process.version.indexOf("v0.10") === 0) { opts = node.ipv; }
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var server;
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if (!udpInputPortsInUse.hasOwnProperty(this.port)) {
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server = dgram.createSocket(opts); // default to udp4
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udpInputPortsInUse[this.port] = server;
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}
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else {
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node.warn(RED._("udp.errors.alreadyused",node.port));
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server = udpInputPortsInUse[this.port]; // re-use existing
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}
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if (process.version.indexOf("v0.10") === 0) { opts = node.ipv; }
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server.on("error", function (err) {
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if ((err.code == "EACCES") && (node.port < 1024)) {
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node.error(RED._("udp.errors.access-error"));
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} else {
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node.error(RED._("udp.errors.error",{error:err.code}));
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}
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server.close();
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});
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server.on('message', function (message, remote) {
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var msg;
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if(remote.address == node.addr) {
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msg = { payload: JSON.parse(message.toString('utf8')) };
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node.send(msg);
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}
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});
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server.on('listening', function () {
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var address = server.address();
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node.log(RED._("udp.status.listener-at",{host:address.address,port:address.port}));
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server.setBroadcast(true);
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try {
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server.setMulticastTTL(128);
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server.addMembership(node.group,node.iface);
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node.log(RED._("udp.status.mc-group",{group:node.group}));
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} catch (e) {
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if (e.errno == "EINVAL") {
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node.error(RED._("udp.errors.bad-mcaddress"));
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} else if (e.errno == "ENODEV") {
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node.error(RED._("udp.errors.interface"));
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} else {
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node.error(RED._("udp.errors.error",{error:e.errno}));
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}
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}
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});
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node.on("close", function() {
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if (udpInputPortsInUse.hasOwnProperty(node.port)) {
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delete udpInputPortsInUse[node.port];
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}
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try {
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server.close();
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node.log(RED._("udp.status.listener-stopped"));
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} catch (err) {
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//node.error(err);
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}
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});
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try { server.bind(node.port,node.iface); }
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catch(e) { } // Don't worry if already bound
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}
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RED.httpAdmin.get('/udp-ports/:id', RED.auth.needsPermission('udp-ports.read'), function(req,res) {
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res.json(Object.keys(udpInputPortsInUse));
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});
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RED.nodes.registerType("xiaomi-gateway in",GatewayIn);
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// The Output Node
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function GatewayOut(n) {
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RED.nodes.createNode(this,n);
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this.port = 9898;
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this.outport = 9898;
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this.iface = null;
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this.addr = n.ip;
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this.ipv = this.ip && this.ip.indexOf(":") >= 0 ? "udp6" : "udp4";
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this.multicast = false;
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var node = this;
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var opts = {type:node.ipv, reuseAddr:true};
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if (process.version.indexOf("v0.10") === 0) { opts = node.ipv; }
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var sock;
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if (udpInputPortsInUse[this.outport]) {
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sock = udpInputPortsInUse[this.outport];
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}
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else {
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sock = dgram.createSocket(opts); // default to udp4
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sock.on("error", function(err) {
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// Any async error will also get reported in the sock.send call.
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// This handler is needed to ensure the error marked as handled to
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// prevent it going to the global error handler and shutting node-red
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// down.
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});
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udpInputPortsInUse[this.outport] = sock;
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}
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if (!udpInputPortsInUse[this.outport]) {
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sock.bind(node.outport);
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node.log(RED._("udp.status.ready",{outport:node.outport,host:node.addr,port:node.port}));
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} else {
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node.log(RED._("udp.status.ready-nolocal",{host:node.addr,port:node.port}));
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}
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node.on("input", function(msg) {
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if (msg.hasOwnProperty("payload")) {
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var add = node.addr || msg.ip || "";
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var por = node.port || msg.port || 0;
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if (add === "") {
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node.warn(RED._("udp.errors.ip-notset"));
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} else if (por === 0) {
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node.warn(RED._("udp.errors.port-notset"));
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} else if (isNaN(por) || (por < 1) || (por > 65535)) {
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node.warn(RED._("udp.errors.port-invalid"));
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} else {
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var message = Buffer.from(JSON.stringify(msg.payload));
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sock.send(message, 0, message.length, por, add, function(err, bytes) {
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if (err) {
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node.error("udp : "+err,msg);
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}
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message = null;
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});
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}
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}
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});
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node.on("close", function() {
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if (udpInputPortsInUse.hasOwnProperty(node.outport)) {
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delete udpInputPortsInUse[node.outport];
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}
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try {
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sock.close();
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node.log(RED._("udp.status.output-stopped"));
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} catch (err) {
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//node.error(err);
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}
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});
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}
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RED.nodes.registerType("xiaomi-gateway out", GatewayOut);
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}
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