first working

frametypes/ptp_sync.py

@@ -0,0 +1,58 @@
+import statistics
+from typing import Dict, List, Any
+from scapy.all import Packet
+
+from .base import FrameTypeInterface
+
+
+class PTPSyncStats(FrameTypeInterface):
+    """PTP Sync Message Statistics"""
+    def __init__(self):
+        super().__init__()
+        self.name = "PTP Sync"
+        self.count = 0
+        self.bytes = 0
+        self.first_time = None
+        self.last_time = None
+        self.sync_count = 0
+        self.follow_up_count = 0
+        self.two_step_count = 0
+        self.one_step_count = 0
+        self.sync_intervals = []
+        self.clock_ids = set()
+    
+    def add(self, timestamp: float, size: int, packet: Packet):
+        self.count += 1
+        self.bytes += size
+        if self.first_time is None:
+            self.first_time = timestamp
+        else:
+            if self.last_time and self.sync_count > 0:
+                self.sync_intervals.append(timestamp - self.last_time)
+        self.last_time = timestamp
+        
+        # In real implementation, decode PTP sync messages
+    
+    def get_summary_dict(self) -> Dict[str, Any]:
+        duration = (self.last_time or 0) - (self.first_time or 0)
+        avg_interval = statistics.mean(self.sync_intervals) if self.sync_intervals else 0
+        return {
+            'Pkts': self.count,
+            'Sync Msgs': self.sync_count,
+            'Follow-ups': self.follow_up_count,
+            'Two-step': self.two_step_count,
+            'One-step': self.one_step_count,
+            'Clock IDs': len(self.clock_ids),
+            'Avg Interval': round(avg_interval, 6)
+        }
+    
+    def get_column_definitions(self) -> List[tuple]:
+        return [
+            ('Pkts', 'd'),
+            ('Sync Msgs', 'd'),
+            ('Follow-ups', 'd'),
+            ('Two-step', 'd'),
+            ('One-step', 'd'),
+            ('Clock IDs', 'd'),
+            ('Avg Interval', '.6f')
+        ]