53 lines
1.7 KiB
Python
53 lines
1.7 KiB
Python
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import statistics
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from typing import Dict, List, Any
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from scapy.all import Packet
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from .base import FrameTypeInterface
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class PTPDelayStats(FrameTypeInterface):
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"""PTP Delay Request/Response Statistics"""
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def __init__(self):
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super().__init__()
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self.name = "PTP Delay"
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self.count = 0
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self.bytes = 0
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self.first_time = None
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self.last_time = None
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self.delay_req_count = 0
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self.delay_resp_count = 0
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self.pdelay_req_count = 0
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self.pdelay_resp_count = 0
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self.round_trip_times = []
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self.asymmetry_values = []
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def add(self, timestamp: float, size: int, packet: Packet):
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self.count += 1
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self.bytes += size
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if self.first_time is None:
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self.first_time = timestamp
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self.last_time = timestamp
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# In real implementation, match delay requests with responses
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def get_summary_dict(self) -> Dict[str, Any]:
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duration = (self.last_time or 0) - (self.first_time or 0)
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avg_rtt = statistics.mean(self.round_trip_times) if self.round_trip_times else 0
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return {
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'Pkts': self.count,
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'Delay Req': self.delay_req_count,
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'Delay Resp': self.delay_resp_count,
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'PDelay Req': self.pdelay_req_count,
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'PDelay Resp': self.pdelay_resp_count,
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'Avg RTT': round(avg_rtt * 1000, 3) # Convert to ms
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}
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def get_column_definitions(self) -> List[tuple]:
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return [
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('Pkts', 'd'),
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('Delay Req', 'd'),
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('Delay Resp', 'd'),
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('PDelay Req', 'd'),
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('PDelay Resp', 'd'),
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('Avg RTT', '.3f')
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]
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