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add async option for dns handler

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This commit is contained in:
ginuerzh
2023-04-14 18:50:33 +08:00
parent 18fa84b51f
commit de5ce1e1ca
4 changed files with 76 additions and 33 deletions
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3
handler/dns/metadata.go
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@ -21,6 +21,7 @@ type metadata struct {
// nameservers
dns []string
bufferSize int
async bool
}
func (h *dnsHandler) parseMetadata(md mdata.Metadata) (err error) {
@ -31,6 +32,7 @@ func (h *dnsHandler) parseMetadata(md mdata.Metadata) (err error) {
clientIP = "clientIP"
dns = "dns"
bufferSize = "bufferSize"
async = "async"
)
h.md.readTimeout = mdutil.GetDuration(md, readTimeout)
@ -48,6 +50,7 @@ func (h *dnsHandler) parseMetadata(md mdata.Metadata) (err error) {
if h.md.bufferSize <= 0 {
h.md.bufferSize = defaultBufferSize
}
h.md.async = mdutil.GetBool(md, async)
return
}