GUI

safe_analyzer.py

@@ -0,0 +1,77 @@
+#!/usr/bin/env python3
+"""
+Safe version of StreamLens with segfault protections
+"""
+
+import sys
+import os
+import signal
+import traceback
+
+# Add the analyzer package to the path
+sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
+
+def signal_handler(signum, frame):
+    """Handle segmentation faults gracefully"""
+    print(f"\n💥 Received signal {signum}")
+    print("Segmentation fault detected - cleaning up...")
+    sys.exit(1)
+
+def safe_import():
+    """Safely import analyzer components"""
+    try:
+        from analyzer.main import main
+        return main
+    except Exception as e:
+        print(f"Import error: {e}")
+        traceback.print_exc()
+        return None
+
+def main():
+    """Safe main function with error handling"""
+    # Set up signal handlers
+    signal.signal(signal.SIGSEGV, signal_handler)
+    signal.signal(signal.SIGABRT, signal_handler)
+    
+    print("🛡️  Starting StreamLens in safe mode...")
+    
+    try:
+        # Import main function safely
+        main_func = safe_import()
+        if main_func is None:
+            print("Failed to import analyzer")
+            sys.exit(1)
+            
+        # Check command line arguments
+        if len(sys.argv) > 1 and '--pcap' in sys.argv:
+            pcap_index = sys.argv.index('--pcap')
+            if pcap_index + 1 < len(sys.argv):
+                pcap_file = sys.argv[pcap_index + 1]
+                print(f"📁 Loading PCAP: {pcap_file}")
+                
+                # Check file size and warn if large
+                if os.path.exists(pcap_file):
+                    size_mb = os.path.getsize(pcap_file) / (1024 * 1024)
+                    print(f"📊 File size: {size_mb:.1f} MB")
+                    
+                    if size_mb > 100:
+                        print("⚠️  Large file detected - this may take a while...")
+        
+        # Disable signal visualization for safety
+        print("🔒 Disabling signal visualization for safety...")
+        os.environ['STREAMLENS_DISABLE_VISUALIZATION'] = '1'
+        
+        # Run the main analyzer
+        print("🚀 Starting analysis...")
+        main_func()
+        
+    except KeyboardInterrupt:
+        print("\n⏹️  Analysis interrupted by user")
+        sys.exit(0)
+    except Exception as e:
+        print(f"\n💥 Unexpected error: {e}")
+        traceback.print_exc()
+        sys.exit(1)
+
+if __name__ == "__main__":
+    main()