Initial commit

2017-06-25 18:48:17 +02:00
commit 0b086db400
24 changed files with 2328 additions and 0 deletions
@@ -0,0 +1,129 @@
+module.exports = function(RED) {
+    "use strict";
+    var mustache = require("mustache");
+    var udpInputPortsInUse = {};
+    var dgram = require('dgram');
+
+    function XiaomiHtNode(config) {
+        RED.nodes.createNode(this, config);
+        this.gateway = RED.nodes.getNode(config.gateway);
+        this.sid = config.sid;
+        this.output = config.output;
+        this.temperature = config.temperature;
+        this.humidity = config.humidity;
+
+        var node = this;
+
+        node.status({fill:"grey",shape:"ring",text:"battery"});
+
+        if (this.gateway) {
+
+            var opts = {type: node.gateway.udpv, reuseAddr:true};
+            var server;
+
+            if (!udpInputPortsInUse.hasOwnProperty(node.gateway.port)) {
+                node.log("New UDP socket");
+                server = dgram.createSocket(opts);  // default to udp4
+                udpInputPortsInUse[node.gateway.port] = server;
+            }
+            else {
+                node.warn(RED._("udp.errors.alreadyused", node.gateway.port));
+                server = udpInputPortsInUse[node.gateway.port];  // re-use existing
+            }
+
+            server.on('listening', function () {
+                server.setBroadcast(true);
+                try {
+                    server.setMulticastTTL(128);
+                    server.addMembership(node.gateway.group, null);
+                    node.log(RED._("udp.status.mc-group",{group:node.gateway.group}));
+
+                } catch (e) {
+                    if (e.errno == "EINVAL") {
+                        node.error(RED._("udp.errors.bad-mcaddress"));
+                    } else if (e.errno == "ENODEV") {
+                        node.error(RED._("udp.errors.interface"));
+                    } else {
+                        node.error(RED._("udp.errors.error",{error:e.errno}));
+                    }
+                }
+            });
+
+            server.on('message', function(msg, rinfo) {
+                var payload = JSON.parse(msg);
+
+                node.log("Received message from: " + payload.model + " sid: " + payload.sid + " payload: " + payload.data);
+
+                if (payload.sid == node.sid) {
+                    var data = JSON.parse(payload.data)
+
+                    if (data.voltage) {
+                        if (data.voltage < 2500) {
+                            node.status({fill:"red",shape:"dot",text:"battery"});
+                        } else if (data.voltage < 2900) {
+                            node.status({fill:"yellow",shape:"dot",text:"battery"});
+                        } else {
+                            node.status({fill:"green",shape:"dot",text:"battery"});
+                        }
+                    } else {
+                        node.status({fill:"grey",shape:"ring",text:"battery"});
+                    }
+
+                    if (node.output == "0") {
+                        msg.payload = payload;
+                        node.send([msg]);
+                    } else if (node.output == "1") {
+                        var temp = null;
+                        var humidity = null;
+
+                        if (data.temperature) {
+                            temp = {"payload": data.temperature};
+                        }
+
+                        if (data.humidity) {
+                            humidity = {"payload": data.humidity};
+                        }
+                        node.send([temp, humidity]);
+                    } else if (node.output == "2") {
+                        var temp = null;
+                        var humidity = null;
+
+                        if (data.temperature) {
+                            temp = {"payload": mustache.render(node.temperature, data)}
+                        }
+
+                        if (data.humidity) {
+                            humidity = {"payload": mustache.render(node.humidity, data)}
+                        }
+                        node.send([temp, humidity]);
+                    }
+                }
+            });
+
+            node.on("input", function(msg) {
+                // console.log("got input");
+            });
+
+            node.on("close", function() {
+                if (udpInputPortsInUse.hasOwnProperty(node.gateway.port)) {
+                    delete udpInputPortsInUse[node.gateway.port];
+                }
+                server.close();
+            });
+
+            try { server.bind(node.gateway.port, null); }
+            catch(e) { } // Don't worry if already bound
+
+        } else {
+            // no gateway configured
+        }
+
+    }
+
+    RED.httpAdmin.get('/udp-ports/:id', RED.auth.needsPermission('udp-ports.read'), function(req,res) {
+        res.json(Object.keys(udpInputPortsInUse));
+    });
+
+    RED.nodes.registerType("xiaomi-ht", XiaomiHtNode);
+
+}