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Details

Look up IP addresses by prefix at each mask length (closes #48 )

Looking up an address on /ip/ and /api/v1/ip/ read every IPv6 live route and about half of the IPv4 range index, so on a day-sized database it passed the 30-second request timeout. The lookup is now one function for both families: from the longest mask length down, it looks up the address's network prefix on the existing prefix index, and the first live route wins.

The feed sends IPv6 withdrawals uncompressed, so they never matched the stored compressed prefix and never removed a route. Prefixes are now stored in the text form net/netip prints, so IPv6 withdrawals take effect.

ip_start, ip_end and GetASInfoForIP are removed; nothing read them. A database from before this change must be deleted.

Model: opus-5-5

2026-10-03 16:04:38 +02:00

6.2 KiB

Raw Blame History

Workflow

branch (from main)
do the work in Next Step
move Next Step to the top of Completed Steps
move the top item of Future Steps into Next Step
commit (TODO.md changes in the same commit as the work)
merge to main if the branch is not protected, otherwise open a PR
push

Status

pre-1.0. No git tags. The Docker build runs the format check, the linter and the tests, and the Gitea workflow runs that build on every push. The image sets memory ceilings for a 5 GiB container (README "Memory") and the README says how to run it under upaas (README "Running under upaas"). A 35-hour run of 3898daa on the live feed peaked at about 1 GiB, without a container memory limit.

Next Step

next waits for sneak to merge it to main through #6. After that, setting routewatch up under upaas on fsn1app1 and deploying it are his (#31), and so is the run under a real 5 GiB limit (#3). The other open issue is #30.

Completed Steps

2026-10-03: looking up an IP address no longer reads every IPv6 route: both families find the most specific live route with at most 33 or 129 lookups on the prefix index, and the IPv4 range columns are gone. Prefixes from the feed are stored in one text form, so an IPv6 withdrawal, which the feed sends uncompressed, now removes its route (closes #48)
2026-10-02: a plain docker build . stamps the commit's tag or short commit (git describe --tags --always) into the page footer instead of unknown: .dockerignore sends .git without .git/config, a VERSION build argument takes precedence, and make build stamps the same value (closes #46)
2026-09-29: the entrypoint creates the data directory if it is missing and stops the start if a step fails; README "Running under upaas" no longer asks for the host directory to be created first (closes #42)
2026-09-29: .dockerignore keeps .git, local build output, local databases and .env out of the Docker build context, and so out of the source archive in the image (closes #39)
2026-09-29: README first line names the MIT license and the author; the License section now says MIT and links LICENSE, and an Author section was added; this file brought up to date (closes #38)
2026-09-29: MIT LICENSE (closes #1)
2026-09-28: stopping the daemon while the feed is flowing no longer panics with "send on closed channel": the read loop checks for a stop just before handing a message to the handler queues, and a second Stop no longer closes the queues again (closes #34)
2026-09-28: docker stop no longer kills the daemon 2 seconds after the stop signal: the entrypoint switches to the routewatch user with setpriv instead of runuser, so the daemon receives the signal itself and gets the whole wait docker stop allows, up to its own 60-second limit (closes #33)
2026-09-28: ready to run under upaas: a set but invalid PORT, XDG_DATA_HOME or MALLOC_ARENA_MAX stops the start, the health check follows PORT, README "Running under upaas" section (closes #31)
2026-09-22: realtime in-memory database statistics: counts seeded at startup and adjusted on every write, oldest/newest route timestamps via index-end lookups; /api/v1/stats no longer scans the tables (closes #27)
2026-09-21: batch writes take the write lock when their transaction begins (_txlock=immediate), so they wait out a WAL checkpoint instead of failing with "database is locked" (closes #25)
2026-09-21: MALLOC_ARENA_MAX=2 in the image caps glibc malloc arenas, so memory outside the Go runtime no longer grows with the core count (closes #23)
2026-09-21: GOMEMLIMIT=1536MiB in the image; README Memory section with the memory budget and the 5 GiB container limit (closes #13)
2026-09-21: the four handler queues hold at most 20,000 messages each, down from 100,000 (closes #11)
2026-09-21: two goroutine leaks fixed: the stats handlers after a timeout and the streamer's tickers on every reconnect (closes #12)
2026-09-21: parsed RIS messages no longer keep the unused Community and Raw fields (closes #9)
2026-09-21: .editorconfig, and a Gitea workflow that runs script/cibuild on every push (closes #14)
2026-09-21: the peering handler's AS-path map holds at most 500,000 paths and is swapped for an empty one every 30 seconds instead of copied (closes #10)
2026-09-21: SQLite memory bounded across the whole connection pool: a 64 MiB page cache on each connection, 1 GiB soft and 1.5 GiB hard heap limits (closes #8)
2026-09-21: the Docker build runs the format check, the linter and the tests, linting in a separate stage on a golangci-lint image pinned by digest (closes #5)
2026-09-21: make test skips the live-network feed test (-short), so make check no longer depends on the network (closes #2)
2026-07-07 Adopted scripts-to-rule-them-all: script/ entrypoints, Makefile shims, README Entrypoints section
2026-02-22: repo policy compliance: required policy files, .gitignore update, Makefile fmt-check/check/docker/hooks targets, gofmt pass (repo-policies-compliance, unmerged)
2026-01-01: WAL checkpointing: periodic (5s), on startup with logging, TRUNCATE mode; fixed slow queries
2025-12-31: status page: navbar, home page with search, oldest/newest route timestamps, NULL handling in WHOIS stats; container runs as routewatch user with proper state dir
2025-12-30: structured HTTP request logging, increased timeouts, CIDR prefix URL routing fixes, status page metrics and footer
2025-12-29: Dockerfile multi-stage build with source archive; SQLite incremental vacuum for non-blocking space reclamation
2025-07-27: initial RouteWatch BGP stream monitor

Future Steps

Production memory under 5 GiB: whether to test under a real 5 GiB container limit on fsn1app1 is open for sneak (#3)
/api/v1/stats answered HTTP 500 after 35 hours on the live feed, seen on 3898daa, which predates the 2026-09-22 in-memory statistics (#30)