Respond to time requests. https://github.com/Koenkk/zigbee2mqtt/issues/1214

lib/controller.js

@@ -22,6 +22,7 @@ const ExtensionDeviceAvailability = require('./extension/deviceAvailability');
 const ExtensionDeviceBind = require('./extension/deviceBind');
 const ExtensionDeviceReport = require('./extension/deviceReport');
 const ExtensionLivolo = require('./extension/livolo');
+const ExtensionResponder = require('./extension/responder');
 
 class Controller {
     constructor() {
@@ -49,7 +50,7 @@ class Controller {
             new ExtensionBridgeConfig(this.zigbee, this.mqtt, this.state, this.publishEntityState),
             new ExtensionGroups(this.zigbee, this.mqtt, this.state, this.publishEntityState),
             new ExtensionDeviceBind(this.zigbee, this.mqtt, this.state, this.publishEntityState),
-
+            new ExtensionResponder(this.zigbee, this.mqtt, this.state, this.publishEntityState),
         ];
 
         if (settings.get().advanced.report) {

lib/extension/responder.js

@@ -0,0 +1,75 @@
+const zclId = require('zcl-id');
+
+const OneJanuary2000 = new Date('January 01, 2000 00:00:00').getTime();
+
+/**
+ * This extensions is reponsible for respondig to device requests.
+ */
+class ExtensionResponder {
+    constructor(zigbee, mqtt, state, publishEntityState) {
+        this.zigbee = zigbee;
+        this.mqtt = mqtt;
+        this.state = state;
+        this.publishEntityState = publishEntityState;
+
+        this.onZclFoundation = this.onZclFoundation.bind(this);
+        this.configured = [];
+    }
+
+    setupOnZclFoundation(device) {
+        if (device && device.epList && !this.configured.includes(device.ieeeAddr)) {
+            this.configured.push(device.ieeeAddr);
+
+            device.epList.forEach((epID) => {
+                const ep = this.zigbee.getEndpoint(device.ieeeAddr, epID);
+                ep.onZclFoundation = this.onZclFoundation;
+            });
+        }
+    }
+
+    onZigbeeStarted() {
+        this.zigbee.getAllClients().forEach((device) => this.setupOnZclFoundation(device));
+    }
+
+    onZigbeeMessage(message, device, mappedDevice) {
+        this.setupOnZclFoundation(device);
+    }
+
+    readResponse(message, endpoint) {
+        const clusterID = message.clusterid;
+        const cluster = zclId.cluster(clusterID).key;
+        const attributes = message.zclMsg.payload.map((p) => zclId.attr(message.clusterid, p.attrId));
+        const response = [];
+
+        attributes.forEach((attribute) => {
+            if (cluster === 'genTime' && attribute.key === 'time') {
+                const time = Math.round(((new Date()).getTime() - OneJanuary2000) / 1000);
+                response.push(this.createReadResponseRec(clusterID, attribute.value, time));
+            }
+        });
+
+        this.zigbee.publish(
+            endpoint.device.ieeeAddr, 'device', cluster, 'readRsp', 'foundation', response,
+            {direction: 1, seqNum: message.zclMsg.seqNum, disDefaultRsp: 1}, endpoint.epId,
+        );
+    }
+
+    createReadResponseRec(cId, attrId, value) {
+        return {
+            attrId: attrId,
+            status: 0,
+            attrData: value,
+            dataType: zclId.attrType(cId, attrId).value,
+        };
+    }
+
+    onZclFoundation(message, endpoint) {
+        const cmd = message.zclMsg.cmdId;
+
+        if (cmd === 'read') {
+            this.readResponse(message, endpoint);
+        }
+    }
+}
+
+module.exports = ExtensionResponder;