test fix timestampt to capture time not db insert time

backend/src/network_sniffer.py

@@ -7,6 +7,7 @@ import socket
 import selectors
 import errno
 import struct
+from datetime import datetime, timezone
 from typing import Dict, List, Optional, Any, TypedDict, Union
 from uuid import uuid4
 
@@ -61,6 +62,7 @@ sessions: Dict[str, Dict[str, Any]] = {}
 class PacketInfo(TypedDict, total=False):
     """TypedDict for parsed packet data used by persistence and telemetry."""
 
+    timestamp: datetime
     correlation_key: str
     correlation_source: str
     packet_id: Optional[str]
@@ -162,6 +164,16 @@ def _safe_get_attr(layer, attr: str):
         return None
 
 
+def _packet_timestamp(pkt: Any) -> datetime:
+    try:
+        packet_time = float(getattr(pkt, "time", 0.0) or 0.0)
+        if packet_time > 0:
+            return datetime.fromtimestamp(packet_time, tz=timezone.utc)
+    except Exception:
+        pass
+    return datetime.now(timezone.utc)
+
+
 def _merge_enrichment(pkt_info: PacketInfo, enrichment: Dict[str, Any]) -> None:
     """Populate enrichment fields without discarding existing metadata."""
     for key, value in enrichment.items():
@@ -199,6 +211,7 @@ def parse_packet(pkt, bridge_label: str, capture_metadata: Optional[Dict[str, An
     logger.debug("Packet captured on %s (bridge_label %s)", pkt_iface, bridge_label)
 
     pkt_info: PacketInfo = {
+        "timestamp": _packet_timestamp(pkt),
         "iface": pkt_iface,
         "capture_iface": None,
         "length": len(pkt),

backend/src/utilities/database.py

@@ -156,6 +156,7 @@ class DatabasePool:
                 row = await conn.fetchrow(
                     """
                     INSERT INTO packets (
+                        timestamp,
                         correlation_key,
                         packet_id,
                         packet_uid,
@@ -197,11 +198,16 @@ class DatabasePool:
                         raw
                     ) VALUES(
                         $1,$2,$3,$4,$5,$6,$7,$8,$9,$10,$11,$12,$13,$14,$15,$16,$17,$18,$19,$20,
-                        $21,$22,$23,$24,$25,$26,$27,$28,$29,$30,$31,$32,$33,$34,$35,$36::jsonb,
+                        $21,$22,$23,$24,$25,$26,$27,$28,$29,$30,$31,$32,$33,$34,$35,$36,$37::jsonb,
-                        $37::jsonb,$38::jsonb,$39
+                        $38::jsonb,$39::jsonb,$40
                     )
                     ON CONFLICT (correlation_key) DO UPDATE SET
                         updated_at = NOW(),
+                        timestamp = CASE
+                            WHEN packets.timestamp IS NULL THEN EXCLUDED.timestamp
+                            WHEN EXCLUDED.timestamp IS NULL THEN packets.timestamp
+                            ELSE LEAST(packets.timestamp, EXCLUDED.timestamp)
+                        END,
                         packet_id = COALESCE(EXCLUDED.packet_id, packets.packet_id),
                         packet_uid = COALESCE(EXCLUDED.packet_uid, packets.packet_uid),
                         correlation_source = COALESCE(EXCLUDED.correlation_source, packets.correlation_source),
@@ -250,6 +256,7 @@ class DatabasePool:
                         raw = COALESCE(EXCLUDED.raw, packets.raw)
                     RETURNING *
                     """,
+                    pkt_info.get("timestamp"),
                     pkt_info["correlation_key"],
                     pkt_info.get("packet_id"),
                     pkt_info.get("packet_uid"),

backend/src/utilities/packet_tracker.py

@@ -175,6 +175,7 @@ class PacketTracker:
         return {
             "correlation_key": correlation_key,
             "payload": {
+                "timestamp": None,
                 "correlation_key": correlation_key,
                 "correlation_source": None,
                 "packet_id": None,
@@ -239,6 +240,12 @@ class PacketTracker:
                 continue
             if value is None:
                 continue
+            if key == "timestamp":
+                current_ts = payload.get("timestamp")
+                if current_ts is None or value < current_ts:
+                    payload["timestamp"] = value
+                    changed = True
+                continue
             if key == "raw" and payload.get("raw") is not None:
                 continue
             if payload.get(key) == value: