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feat(dns): add lookup host fallback

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源文雨
2024-04-21 01:08:19 +09:00
parent 1c3273a782
commit ecec5a9e4d
4 changed files with 59 additions and 7 deletions
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7
http2/http2.go
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@@ -15,6 +15,7 @@ import (
"github.com/fumiama/terasu"
"github.com/fumiama/terasu/dns"
"github.com/fumiama/terasu/ip"
)
var (
@@ -50,7 +51,11 @@ var DefaultClient = http.Client{
if len(addrs) == 0 {
addrs, err = dns.DefaultResolver.LookupHost(ctx, host)
if err != nil {
addrs, err = net.DefaultResolver.LookupHost(ctx, host)
if ip.IsIPv6Available.Get() {
addrs, err = dns.IPv6Servers.LookupHostFallback(ctx, host)
} else {
addrs, err = dns.IPv4Servers.LookupHostFallback(ctx, host)
}
if err != nil {
return nil, err
}