working to analyze timing issues

analyzer/protocols/base.py

@@ -0,0 +1,54 @@
+"""
+Base protocol dissector interface and common structures
+"""
+
+from abc import ABC, abstractmethod
+from dataclasses import dataclass
+from enum import IntEnum
+from typing import Dict, List, Optional, Any
+
+try:
+    from scapy.all import Packet
+except ImportError:
+    print("Error: scapy library required. Install with: pip install scapy")
+    import sys
+    sys.exit(1)
+
+
+class ProtocolType(IntEnum):
+    """Protocol type identifiers"""
+    UNKNOWN = 0
+    CHAPTER10 = 1
+    PTP = 2
+    IENA = 3
+
+
+@dataclass
+class DissectionResult:
+    """Container for dissection results"""
+    protocol: ProtocolType
+    fields: Dict[str, Any]
+    payload: Optional[bytes] = None
+    errors: List[str] = None
+    
+    def __post_init__(self):
+        if self.errors is None:
+            self.errors = []
+
+
+class ProtocolDissector(ABC):
+    """Abstract base class for protocol dissectors"""
+    
+    @abstractmethod
+    def can_dissect(self, packet: Packet) -> bool:
+        """Check if this dissector can handle the given packet"""
+        pass
+    
+    @abstractmethod
+    def dissect(self, packet: Packet) -> Optional[DissectionResult]:
+        """Dissect the packet and return structured data"""
+        pass
+    
+    def get_protocol_type(self) -> ProtocolType:
+        """Get the protocol type this dissector handles"""
+        return ProtocolType.UNKNOWN