- Create PeeringHandler for asn_peerings table maintenance
- Rename DBHandler to ASHandler (now only handles asns table)
- Move prefixes table maintenance to PrefixHandler
- Optimize PeeringHandler with in-memory AS path tracking:
- Stores AS paths in memory with timestamps
- Processes peerings in batch every 2 minutes
- Prunes old paths (>30 minutes) every 5 minutes
- Normalizes peerings with lower AS number first
- Each handler now has a single responsibility:
- ASHandler: asns table
- PeerHandler: bgp_peers table
- PrefixHandler: prefixes and live_routes tables
- PeeringHandler: asn_peerings table
sneak
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