Files
routewatch/internal/database/interface.go
T
sneak 347e1456a2
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Record origin changes and show them on the prefix page (closes #161)
The routing table records each prefix and origin AS pair's origin changes:
when it gains its first peer and when it loses its last. Each row holds the
prefix, the origin AS, announced or withdrawn, the peer count and the time.
The prefix handler writes them to a new origin_changes table, and the database
maintainer prunes each prefix to its newest 500 rows and 72 hours. The prefix
page lists them newest first, at most 5,000.

Model: deepseek-v4-pro
2026-11-05 04:07:39 +00:00

91 lines
3.0 KiB
Go

// Package database provides SQLite storage for BGP routing data: ASNs,
// prefixes, announcements, peerings and BGP peers. Its routes table holds a
// copy of the whole routing table that internal/routetable keeps in memory.
package database
import (
"context"
"net/netip"
"time"
"git.eeqj.de/sneak/routewatch/internal/routetable"
)
// Stats contains database statistics: counts of ASNs, prefixes, peerings and
// peers, and the file size.
type Stats struct {
ASNs int
Prefixes int
IPv4Prefixes int
IPv6Prefixes int
Peerings int
Peers int
FileSizeBytes int64
}
// Store defines the interface for database operations. It provides methods for
// managing ASNs, prefixes, announcements, peerings, BGP peers, and the copy of
// the routing table. Implementations must be safe for concurrent use.
//
//nolint:interfacebloat // the one seam handlers and tests depend on
type Store interface {
// ASN operations
GetOrCreateASN(number int, timestamp time.Time) (*ASN, error)
GetOrCreateASNBatch(asns map[int]SeenTimes) error
// Prefix operations
GetOrCreatePrefix(prefix string, timestamp time.Time) (*Prefix, error)
UpdatePrefixesBatch(prefixes map[string]time.Time) error
// Announcement operations
RecordAnnouncement(announcement *Announcement) error
// Peering operations
RecordPeering(asA, asB int, seen SeenTimes) error
// Statistics
GetStats() (Stats, error)
GetStatsContext(ctx context.Context) (Stats, error)
// Peer operations
UpdatePeer(peerIP string, peerASN int, messageType string, timestamp time.Time) error
UpdatePeerBatch(peers map[string]PeerUpdate) error
// Routing table operations: the database's copy of the table in memory
WriteRouteChanges(changes []routetable.Change, newPeers map[string]uint) error
ReadRouteTable(ctx context.Context) (*routetable.Table, error)
// Origin change operations: the prefix and origin AS pairs' first and
// last peers, as the routing table records them.
WriteOriginChanges(changes []routetable.OriginChange) error
GetOriginChanges(
ctx context.Context, prefix netip.Prefix, limit int,
) ([]routetable.OriginChange, error)
PruneOriginChanges(ctx context.Context) error
// ASN WHOIS operations
GetNextStaleASN(ctx context.Context, staleThreshold time.Duration) (int, error)
UpdateASNWHOIS(ctx context.Context, update *ASNWHOISUpdate) error
GetWHOISStats(ctx context.Context, staleThreshold time.Duration) (*WHOISStats, error)
// AS and prefix detail operations
GetAS(ctx context.Context, asn int) (*ASN, bool, error)
GetLastSeenASes(ctx context.Context) (*ASN, *ASN, error)
GetASWHOIS(ctx context.Context, asn int) (*ASN, error)
GetPrefixFirstSeen(ctx context.Context, prefix netip.Prefix) (time.Time, error)
GetASPeers(asn int) ([]ASPeer, error)
GetASPeersContext(ctx context.Context, asn int) ([]ASPeer, error)
// Lifecycle
Close() error
// Maintenance operations
Vacuum(ctx context.Context) error
Analyze(ctx context.Context) error
Checkpoint(ctx context.Context) error
Ping(ctx context.Context) error
}
// Ensure Database implements Store
var _ Store = (*Database)(nil)