Extra logging during discovery #84

AMoo-Miki · Sep 18, 2019 · 64b4934 · 64b4934
1 parent 820e2b2
commit 64b4934
Showing 1 changed file with 11 additions and 3 deletions.
diff --git a/lib/TuyaDiscovery.js b/lib/TuyaDiscovery.js
@@ -97,15 +97,22 @@ class TuyaDiscovery extends EventEmitter {
             }, 1000);
     }
 
-    _onDgramMessage(port, msg) {
+    _onDgramMessage(port, msg, info) {
         const len = msg.length;
+        console.log(`[TuyaDiscovery] UDP from ${info.address}:${port} 0x${msg.readUInt32BE(0).toString(16).padStart(8, '0')}...0x${msg.readUInt32BE(len - 4).toString(16).padStart(8, '0')}`);
         if (len < 16 ||
             msg.readUInt32BE(0) !== 0x000055aa ||
             msg.readUInt32BE(len - 4) !== 0x0000aa55
-        ) return;
+        ) {
+            console.log(`[TuyaDiscovery] ERROR: UDP from ${info.address}:${port}`, msg.toString('hex'));
+            return;
+        }
 
         const size = msg.readUInt32BE(12);
-        if (len - size < 8) return;
+        if (len - size < 8) {
+            console.log(`[TuyaDiscovery] ERROR: UDP from ${info.address}:${port} size ${len - size}`);
+            return;
+        }
 
         //const result = {cmd: msg.readUInt32BE(8)};
         const cleanMsg = msg.slice(len - size + 4, len - 8);
@@ -124,6 +131,7 @@ class TuyaDiscovery extends EventEmitter {
         try {
             const result = JSON.parse(decryptedMsg);
             if (result && result.gwId && result.ip) this._onDiscover(result);
+            else console.log(`[TuyaDiscovery] ERROR: UDP from ${info.address}:${port} decrypted`, cleanMsg.toString('hex'));
         } catch (ex) {
             console.error(`[TuyaDiscovery] Failed to parse discovery response on port ${port}: ${decryptedMsg}`);
             console.error(`[TuyaDiscovery] Failed to parse discovery raw message on port ${port}: ${msg.toString('hex')}`);