forked from
willdot.net/cocoon
A fork of the Cocoon PDS but being made more distributed.
request crawl when websocket dies (#31)
author
hailey
committer
GitHub
date
(Oct 25, 2025, 12:13 PM -0700)
commit
cfbcc310
cfbcc31012529bcaec101039e1b70668538002b0
parent
a4ae9988
a4ae9988a8f9391f2369ac031903ea1a5b4c413d
+67
-16
+31
-11
server/handle_sync_subscribe_repos.go
+31
-11
server/handle_sync_subscribe_repos.go
···
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1
package server
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import (
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-
"fmt"
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+
"context"
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+
"time"
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"github.com/bluesky-social/indigo/events"
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"github.com/bluesky-social/indigo/lex/util"
···
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)
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func (s *Server) handleSyncSubscribeRepos(e echo.Context) error {
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ctx := e.Request().Context()
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logger := s.logger.With("component", "subscribe-repos-websocket")
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+
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conn, err := websocket.Upgrade(e.Response().Writer, e.Request(), e.Response().Header(), 1<<10, 1<<10)
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if err != nil {
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logger.Error("unable to establish websocket with relay", "err", err)
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return err
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}
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-
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s.logger.Info("new connection", "ua", e.Request().UserAgent())
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-
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ctx := e.Request().Context()
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ident := e.RealIP() + "-" + e.Request().UserAgent()
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logger = logger.With("ident", ident)
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logger.Info("new connection established")
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evts, cancel, err := s.evtman.Subscribe(ctx, ident, func(evt *events.XRPCStreamEvent) bool {
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return true
···
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for evt := range evts {
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wc, err := conn.NextWriter(websocket.BinaryMessage)
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if err != nil {
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-
return err
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logger.Error("error writing message to relay", "err", err)
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break
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}
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-
var obj util.CBOR
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if ctx.Err() != nil {
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logger.Error("context error", "err", err)
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break
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}
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var obj util.CBOR
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switch {
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case evt.Error != nil:
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header.Op = events.EvtKindErrorFrame
···
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header.MsgType = "#info"
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obj = evt.RepoInfo
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default:
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-
return fmt.Errorf("unrecognized event kind")
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logger.Warn("unrecognized event kind")
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return nil
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}
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if err := header.MarshalCBOR(wc); err != nil {
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-
return fmt.Errorf("failed to write header: %w", err)
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logger.Error("failed to write header to relay", "err", err)
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break
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}
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if err := obj.MarshalCBOR(wc); err != nil {
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-
return fmt.Errorf("failed to write event: %w", err)
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logger.Error("failed to write event to relay", "err", err)
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break
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}
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if err := wc.Close(); err != nil {
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return fmt.Errorf("failed to flush-close our event write: %w", err)
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logger.Error("failed to flush-close our event write", "err", err)
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break
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}
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}
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+
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// we should tell the relay to request a new crawl at this point if we got disconnected
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// use a new context since the old one might be cancelled at this point
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ctx, cancel = context.WithTimeout(context.Background(), 10*time.Second)
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defer cancel()
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if err := s.requestCrawl(ctx); err != nil {
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logger.Error("error requesting crawls", "err", err)
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}
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return nil
+36
-5
server/server.go
+36
-5
server/server.go
···
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passport *identity.Passport
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fallbackProxy string
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lastRequestCrawl time.Time
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requestCrawlMu sync.Mutex
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dbName string
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s3Config *S3Config
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}
···
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go s.backupRoutine()
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go func() {
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if err := s.requestCrawl(ctx); err != nil {
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s.logger.Error("error requesting crawls", "err", err)
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}
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}()
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+
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<-ctx.Done()
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fmt.Println("shut down")
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return nil
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}
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func (s *Server) requestCrawl(ctx context.Context) error {
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logger := s.logger.With("component", "request-crawl")
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s.requestCrawlMu.Lock()
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defer s.requestCrawlMu.Unlock()
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logger.Info("requesting crawl with configured relays")
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+
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if time.Now().Sub(s.lastRequestCrawl) <= 1*time.Minute {
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return fmt.Errorf("a crawl request has already been made within the last minute")
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}
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for _, relay := range s.config.Relays {
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logger := logger.With("relay", relay)
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logger.Info("requesting crawl from relay")
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cli := xrpc.Client{Host: relay}
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-
atproto.SyncRequestCrawl(ctx, &cli, &atproto.SyncRequestCrawl_Input{
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if err := atproto.SyncRequestCrawl(ctx, &cli, &atproto.SyncRequestCrawl_Input{
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553
Hostname: s.config.Hostname,
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-
})
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}); err != nil {
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logger.Error("error requesting crawl", "err", err)
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} else {
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logger.Info("crawl requested successfully")
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}
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}
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<-ctx.Done()
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fmt.Println("shut down")
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s.lastRequestCrawl = time.Now()
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return nil
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}