fix: ZStack: emit network address change event on concentratorIndCb (#…

…992)

* Emit nwk event on concentratorIndCb

* Explain why we send an event that doesn't match the command

* Test that we send the network update event on concentratorIndCb

src/adapter/z-stack/adapter/zStackAdapter.ts

@@ -792,6 +792,23 @@ class ZStackAdapter extends Adapter {
                     ieeeAddr: object.payload.ieeeaddr,
                 };
 
+                this.emit(Events.Events.networkAddress, payload);
+            } else if (object.command === 'concentratorIndCb') {
+                // Some routers may change short addresses and the announcement
+                // is missed by the coordinator. This can happen when there are
+                // power outages or other interruptions in service. They may
+                // not send additional announcements, causing the device to go
+                // offline. However, those devices may instead send
+                // Concentrator Indicator Callback commands, which contain both
+                // the short and the long address allowing us to update our own
+                // mappings.
+                // https://e2e.ti.com/cfs-file/__key/communityserver-discussions-components-files/158/4403.zstacktask.c
+                // https://github.com/Koenkk/zigbee-herdsman/issues/74
+                const payload: Events.NetworkAddressPayload = {
+                    networkAddress: object.payload.srcaddr,
+                    ieeeAddr: object.payload.extaddr,
+                };
+
                 this.emit(Events.Events.networkAddress, payload);
             } else {
                 /* istanbul ignore else */

test/adapter/z-stack/adapter.test.ts

@@ -2781,6 +2781,16 @@ describe("zstack-adapter", () => {
         expect(networkAddress).toStrictEqual({ieeeAddr: '0x123', networkAddress: 124});
     });
 
+    it('Concentrator Callback Indication', async () => {
+        basicMocks();
+        await adapter.start();
+        let networkAddress;
+        const object = {type: Type.AREQ, subsystem: Subsystem.ZDO, command: 'concentratorIndCb', payload: {srcaddr: 124, extaddr: '0x123'}};
+        adapter.on("networkAddress", (p) => {networkAddress = p;})
+        znpReceived(object);
+        expect(networkAddress).toStrictEqual({ieeeAddr: '0x123', networkAddress: 124});
+    });
+
     it('Device leave', async () => {
         basicMocks();
         await adapter.start();