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optimize: 缩短默认 dns 尝试时间

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源文雨
2024-05-07 23:41:17 +09:00
parent c887e26289
commit 547a591149
2 changed files with 7 additions and 7 deletions
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10
dns/dns.go
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@@ -17,8 +17,12 @@ var (
ErrNoDNSAvailable = errors.New("no dns available") ErrNoDNSAvailable = errors.New("no dns available")
) )
var DefaultDialer = net.Dialer{ var defaultDialer = net.Dialer{
Timeout: time.Second * 8, Timeout: time.Second * 4,
}
func SetTimeout(t time.Duration) {
defaultDialer.Timeout = t
} }
type dnsstat struct { type dnsstat struct {
@@ -113,7 +117,7 @@ func (ds *DNSList) DialContext(ctx context.Context, dialer *net.Dialer, firstFra
err = ErrNoDNSAvailable err = ErrNoDNSAvailable
if dialer == nil { if dialer == nil {
dialer = &DefaultDialer dialer = &defaultDialer
} }
ds.RLock() ds.RLock()

4
dns/doh.go
View File

@@ -65,10 +65,6 @@ func (jr *dohjsonresponse) hosts() []string {
return hosts return hosts
} }
var defaultDialer = net.Dialer{
Timeout: time.Second * 4,
}
var lookupTable = ttl.NewCache[string, []string](time.Hour) var lookupTable = ttl.NewCache[string, []string](time.Hour)
var trsHTTP2ClientWithSystemDNS = http.Client{ var trsHTTP2ClientWithSystemDNS = http.Client{