Fix scan count condition for debugging networking

lib/services/protocol_blocking_service.dart

@@ -1,4 +1,5 @@
 import 'dart:async';
+import 'dart:convert';
 import 'dart:io';
 import 'package:waylume_server/services/vpn_session_service.dart';
 
@@ -91,44 +92,84 @@ class ProtocolBlockingService {
     }
   }
   
+  static Process? _continuousMonitor;
+  static StreamSubscription? _monitorSubscription;
+  
   static Future<void> _monitorPeerTraffic() async {
-    // Monitor FORWARDED traffic (after VPN decryption, before internet)
+    // Start continuous monitoring if not already running
+    if (_continuousMonitor == null) {
+      await _startContinuousMonitoring();
+    }
+  }
+  
+  static Future<void> _startContinuousMonitoring() async {
     try {
-      final process = await Process.start('timeout', [
-        '0.1', // Very short timeout
-        'tcpdump',
+      print('🔄 Starting continuous packet monitoring...');
+      _continuousMonitor = await Process.start('tcpdump', [
         '-i', 'any',
-        '-c', '1',
+        '-l', // Line buffered for real-time output
         '-v', // Verbose
         // Only capture forwarded packets from VPN peers to internet
         'src net 10.0.0.0/24 and not dst net 10.0.0.0/24',
       ]);
 
-      final output = <String>[];
-      await for (final data in process.stdout) {
-        output.add(String.fromCharCodes(data));
-      }
+      _monitorSubscription = _continuousMonitor!.stdout
+          .transform(utf8.decoder)
+          .transform(LineSplitter())
+          .listen((line) async {
+            if (line.trim().isNotEmpty) {
+              await _processCapturedPacket(line.trim());
+            }
+          });
 
-      final exitCode = await process.exitCode;
-      process.kill();
+      // Handle process errors
+      _continuousMonitor!.stderr
+          .transform(utf8.decoder)
+          .listen((error) {
+            if (!error.contains('listening on')) {
+              print('❌ tcpdump error: $error');
+            }
+          });
 
-      if (exitCode == 0 && output.isNotEmpty) {
-        final packetData = output.join().trim();
-        print('📦 DECRYPTED VPN TRAFFIC TO INTERNET: $packetData');
-        
-        // Check if it's from our monitored peers
-        for (final peerIP in _activePeerIPs) {
-          if (packetData.contains(peerIP)) {
-            print('🎯 PEER TRAFFIC FROM $peerIP: $packetData');
-            await _analyzeNewPacket(packetData, peerIP);
-            break;
-          }
-        }
-      }
     } catch (e) {
-      // Ignore timeout errors - normal when no packets
-      if (!e.toString().contains('timeout') && !e.toString().contains('No such device')) {
-        print('❌ Error monitoring traffic: $e');
+      print('❌ Failed to start continuous monitoring: $e');
+    }
+  }
+  
+  static Future<void> _processCapturedPacket(String packetLine) async {
+    print('📦 DECRYPTED VPN TRAFFIC: $packetLine');
+    
+    // Check if it's from our monitored peers and analyze
+    for (final peerIP in _activePeerIPs) {
+      if (packetLine.contains(peerIP)) {
+        print('🎯 PEER TRAFFIC FROM $peerIP: $packetLine');
+        await _analyzePacketLine(packetLine, peerIP);
+        break;
+      }
+    }
+  }
+  
+  static Future<void> _analyzePacketLine(String packetLine, String peerIP) async {
+    // Simple protocol detection from packet line
+    String? protocol;
+    
+    if (packetLine.toLowerCase().contains('bittorrent') || 
+        packetLine.contains(':6881') || packetLine.contains(':6882')) {
+      protocol = 'BitTorrent';
+    } else if (packetLine.contains('.https:') || packetLine.contains(':443')) {
+      protocol = 'HTTPS';
+    } else if (packetLine.contains('.http:') || packetLine.contains(':80')) {
+      protocol = 'HTTP';
+    } else if (packetLine.contains('.ssh:') || packetLine.contains(':22')) {
+      protocol = 'SSH';
+    }
+    
+    if (protocol != null) {
+      print('🎯 PROTOCOL DETECTED: $protocol');
+      if (['BitTorrent', 'P2P'].contains(protocol)) {
+        print('🚫 BLOCKING PROTOCOL: $protocol');
+      } else {
+        print('✅ ALLOWING PROTOCOL: $protocol');
       }
     }
   }