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Return cached entries if device is offline

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This commit is contained in:
Daniel
2021-01-25 17:09:27 +01:00
parent cad957bae0
commit 0e93204caf
3 changed files with 11 additions and 12 deletions
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6
resolver/resolve.go
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@@ -317,9 +317,8 @@ func resolveAndCache(ctx context.Context, q *Query, oldCache *RRCache) (rrCache
// check if we are online
if netenv.GetOnlineStatus() == netenv.StatusOffline {
if !netenv.IsConnectivityDomain(q.FQDN) {
log.Tracer(ctx).Debugf("resolver: not resolving %s, device is offline", q.FQDN)
// we are offline and this is not an online check query
return nil, ErrOffline
return oldCache, ErrOffline
}
log.Tracer(ctx).Debugf("resolver: permitting online status test domain %s to resolve even though offline", q.FQDN)
}
@@ -356,9 +355,8 @@ resolveLoop:
return nil, err
case netenv.GetOnlineStatus() == netenv.StatusOffline &&
!netenv.IsConnectivityDomain(q.FQDN):
log.Tracer(ctx).Debugf("resolver: not resolving %s, device is offline", q.FQDN)
// we are offline and this is not an online check query
return nil, ErrOffline
return oldCache, ErrOffline
case errors.Is(err, ErrContinue):
continue
case errors.Is(err, ErrTimeout):