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feat(keep-alive): add keep-alive option

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Afonso Franco
2025-09-27 21:49:17 +01:00
parent ddb0d2ca4e
commit 2240d18f0b
13 changed files with 363 additions and 619 deletions
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10
cmd/sdns-proxy/sdns-proxy.go
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@@ -26,6 +26,7 @@ type QueryCmd struct {
DNSSEC bool `help:"Enable DNSSEC (DO bit)." short:"d"`
ValidateOnly bool `help:"Only return DNSSEC validated responses." short:"V"`
StrictValidation bool `help:"Fail on any DNSSEC validation error." short:"S"`
KeepAlive bool `help:"Use persistent connections." short:"k"`
Timeout time.Duration `help:"Timeout for the query operation." default:"10s"`
KeyLogFile string `help:"Path to TLS key log file (for DoT/DoH/DoQ)." env:"SSLKEYLOGFILE"`
}
@@ -36,18 +37,20 @@ type ListenCmd struct {
Fallback string `help:"Fallback DNS server (e.g., https://1.1.1.1/dns-query, tls://8.8.8.8)." short:"f"`
Bootstrap string `help:"Bootstrap DNS server (must be an IP address, e.g., 8.8.8.8, 1.1.1.1)." short:"b"`
DNSSEC bool `help:"Enable DNSSEC for upstream queries." short:"d"`
KeepAlive bool `help:"Use persistent connections to upstream servers." short:"k"`
Timeout time.Duration `help:"Timeout for upstream queries." default:"5s"`
Verbose bool `help:"Enable verbose logging." short:"v"`
}
func (q *QueryCmd) Run() error {
logger.Info("Querying %s for %s type %s (DNSSEC: %v, ValidateOnly: %v, StrictValidation: %v, Timeout: %v)",
q.Server, q.DomainName, q.QueryType, q.DNSSEC, q.ValidateOnly, q.StrictValidation, q.Timeout)
logger.Info("Querying %s for %s type %s (DNSSEC: %v, ValidateOnly: %v, StrictValidation: %v, KeepAlive: %v, Timeout: %v)",
q.Server, q.DomainName, q.QueryType, q.DNSSEC, q.ValidateOnly, q.StrictValidation, q.KeepAlive, q.Timeout)
opts := client.Options{
DNSSEC: q.DNSSEC,
ValidateOnly: q.ValidateOnly,
StrictValidation: q.StrictValidation,
KeepAlive: q.KeepAlive,
}
logger.Debug("Creating DNS client with options: %+v", opts)
@@ -90,6 +93,7 @@ func (l *ListenCmd) Run() error {
Fallback: l.Fallback,
Bootstrap: l.Bootstrap,
DNSSEC: l.DNSSEC,
KeepAlive: l.KeepAlive,
Timeout: l.Timeout,
Verbose: l.Verbose,
}
@@ -105,10 +109,12 @@ func (l *ListenCmd) Run() error {
logger.Info("Upstream server: %v", l.Upstream)
logger.Info("Fallback server: %v", l.Fallback)
logger.Info("Bootstrap server: %v", l.Bootstrap)
logger.Info("KeepAlive: %v", l.KeepAlive)
return srv.Start()
}
func printResponse(domain, qtype string, msg *dns.Msg) {
fmt.Println(";; QUESTION SECTION:")