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Streamline configuration

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This commit is contained in:
Daniel 2020-04-01 17:13:30 +02:00
parent 77d7a63bc3
commit 279ab67c7e
12 changed files with 354 additions and 191 deletions
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7
resolver/resolve.go
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@ -158,13 +158,14 @@ func deduplicateRequest(ctx context.Context, q *Query) (finishRequest func()) {
dupKey := fmt.Sprintf("%s%s", q.FQDN, q.QType.String())
dupReqLock.Lock()
defer dupReqLock.Unlock()
// get duplicate request waitgroup
wg, requestActive := dupReqMap[dupKey]
// someone else is already on it!
if requestActive {
dupReqLock.Unlock()
// log that we are waiting
log.Tracer(ctx).Tracef("intel: waiting for duplicate query for %s to complete", dupKey)
// wait
@ -182,6 +183,8 @@ func deduplicateRequest(ctx context.Context, q *Query) (finishRequest func()) {
// add to registry
dupReqMap[dupKey] = wg
dupReqLock.Unlock()
// return function to mark request as finished
return func() {
dupReqLock.Lock()
@ -222,7 +225,7 @@ resolveLoop:
rrCache, err = resolver.Conn.Query(ctx, q)
if err != nil {
// FIXME: check if we are online?
// TODO: check if we are online?
switch {
case errors.Is(err, ErrNotFound):