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request/cache: bind responses and entries to QCLASS (#8272)

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Signed-off-by: houyuwushang <liuluoqianqiu@outlook.com>
This commit is contained in:
houyuwushang
2026-07-11 06:18:27 +08:00
committed by GitHub
parent 2d42f0e8f5
commit 6ec70a0603
8 changed files with 89 additions and 12 deletions
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10
plugin/cache/handler.go vendored
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@@ -121,7 +121,7 @@ func (c *Cache) doPrefetch(ctx context.Context, cw *ResponseWriter, i *item, now
// When prefetching we loose the item i, and with it the frequency
// that we've gathered sofar. See we copy the frequencies info back
// into the new item that was stored in the cache.
if i1 := c.exists(cw.state.Name(), cw.state.QType(), cw.do, cw.cd); i1 != nil {
if i1 := c.exists(cw.state.Name(), cw.state.QType(), cw.state.QClass(), cw.do, cw.cd); i1 != nil {
i1.Reset(now, i.Hits())
}
}
@@ -153,7 +153,7 @@ func (c *Cache) verifyWithTimeout(ctx context.Context, state request.Request, w
if !cw.refreshed {
return false, 0, nil
}
fresh := c.exists(state.Name(), state.QType(), state.Do(), state.Req.CheckingDisabled)
fresh := c.exists(state.Name(), state.QType(), state.QClass(), state.Do(), state.Req.CheckingDisabled)
if fresh == nil {
// Should not happen: refreshed=true means the upstream response was cacheable.
return true, res.code, res.err
@@ -186,7 +186,7 @@ func (c *Cache) Name() string { return "cache" }
// getIfNotStale returns an item if it exists in the cache and has not expired.
func (c *Cache) getIfNotStale(now time.Time, state request.Request, server string) *item {
k := hash(state.Name(), state.QType(), state.Do(), state.Req.CheckingDisabled)
k := hash(state.Name(), state.QType(), state.QClass(), state.Do(), state.Req.CheckingDisabled)
cacheRequests.WithLabelValues(server, c.zonesMetricLabel, c.viewMetricLabel).Inc()
if i, ok := c.ncache.Get(k); ok {
@@ -219,8 +219,8 @@ func (c *Cache) getIfNotStale(now time.Time, state request.Request, server strin
}
// exists unconditionally returns an item if it exists in the cache.
func (c *Cache) exists(name string, qtype uint16, do, cd bool) *item {
k := hash(name, qtype, do, cd)
func (c *Cache) exists(name string, qtype, qclass uint16, do, cd bool) *item {
k := hash(name, qtype, qclass, do, cd)
if i, ok := c.ncache.Get(k); ok {
return i
}