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Takes .golangci.yml, .dockerignore, .gitignore, .editorconfig, the workflow and REPO_POLICIES.md from sneak/prompts 0653579, with this repository's own entries after the shared content. Lint (golangci-lint v2.14.0) and test are Dockerfile phases that script/lint and script/test build alone with a new CACHEBUST value, keeping Go's and golangci-lint's caches; the image build depends on both. make fmt and make fmt-check also format the markdown with prettier, pinned in yarn.lock. The agent guidance moves to AGENTS.md. The Go code is fixed for what the new configuration finds, and the AS and prefix detail reads now return the rows' error after their loops. Model: opus-5-5
121 lines
2.8 KiB
Go
121 lines
2.8 KiB
Go
// Package server provides HTTP endpoints for status monitoring and statistics
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package server
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import (
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"context"
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"errors"
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"fmt"
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"net"
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"net/http"
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"strconv"
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"time"
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"git.eeqj.de/sneak/routewatch/internal/config"
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"git.eeqj.de/sneak/routewatch/internal/database"
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"git.eeqj.de/sneak/routewatch/internal/logger"
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"git.eeqj.de/sneak/routewatch/internal/streamer"
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"github.com/go-chi/chi/v5"
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)
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// ASNFetcherStats contains WHOIS fetcher statistics.
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type ASNFetcherStats struct {
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SuccessesLastHour int
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ErrorsLastHour int
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CurrentInterval time.Duration
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ConsecutiveFails int
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}
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// ASNFetcher is an interface for queuing ASN WHOIS lookups.
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type ASNFetcher interface {
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QueueImmediate(asn int)
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GetStats() ASNFetcherStats
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}
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// Server provides HTTP endpoints for status monitoring
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type Server struct {
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router *chi.Mux
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db database.Store
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streamer *streamer.Streamer
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logger *logger.Logger
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port int
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srv *http.Server
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asnFetcher ASNFetcher
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}
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// New creates a new HTTP server
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func New(
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db database.Store,
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streamer *streamer.Streamer,
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logger *logger.Logger,
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cfg *config.Config,
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) *Server {
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s := &Server{
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db: db,
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streamer: streamer,
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logger: logger,
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port: cfg.Port,
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}
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s.setupRoutes()
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return s
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}
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// Start listens on the configured port and serves HTTP in the background.
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// It returns an error if it cannot listen, for example because the port is
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// already in use. ctx bounds only opening the port, not serving.
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func (s *Server) Start(ctx context.Context) error {
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const (
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network = "tcp"
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readHeaderTimeout = 40 * time.Second
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readTimeout = 60 * time.Second
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writeTimeout = 60 * time.Second
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idleTimeout = 120 * time.Second
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)
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s.srv = &http.Server{
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Addr: ":" + strconv.Itoa(s.port),
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Handler: s.router,
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ReadHeaderTimeout: readHeaderTimeout,
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ReadTimeout: readTimeout,
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WriteTimeout: writeTimeout,
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IdleTimeout: idleTimeout,
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}
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s.logger.Info("Starting HTTP server", "port", s.port, "addr", s.srv.Addr)
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var listenConfig net.ListenConfig
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listener, err := listenConfig.Listen(ctx, network, s.srv.Addr)
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if err != nil {
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return fmt.Errorf("starting HTTP server: %w", err)
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}
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s.logger.Info("HTTP server listening", "addr", listener.Addr().String())
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go func() {
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err := s.srv.Serve(listener)
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if err != nil && !errors.Is(err, http.ErrServerClosed) {
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s.logger.Error("HTTP server error", "error", err)
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}
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}()
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return nil
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}
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// Stop gracefully stops the HTTP server
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func (s *Server) Stop(ctx context.Context) error {
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if s.srv == nil {
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return nil
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}
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s.logger.Info("Stopping HTTP server")
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return s.srv.Shutdown(ctx)
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}
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// SetASNFetcher sets the ASN WHOIS fetcher for on-demand lookups.
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func (s *Server) SetASNFetcher(fetcher ASNFetcher) {
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s.asnFetcher = fetcher
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}
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