version bump v1.3.2

.gitignore

@@ -3,8 +3,7 @@
 *.key
 sdns
 sdns.conf
-sdns_*
 coverage.out
-blist_data
+bl
 access.log
 vendor

contrib/linux/sdns.conf

@@ -1,5 +1,5 @@
 # Config version, config and build versions can be different.
-version = "1.2.0"
+version = "1.3.2"
 
 # Address to bind to for the DNS server
 bind = ":53"
@@ -10,6 +10,9 @@ bind = ":53"
 # Address to bind to for the DNS-over-HTTPS server
 # binddoh = ":8053"
 
+# Address to bind to for the DNS-over-QUIC server
+# binddoq = ":853"
+
 # TLS certificate file
 # tlscertificate = "server.crt"
 
@@ -129,6 +132,10 @@ expire = 600
 # Cache size (total records in cache)
 cachesize = 256000
 
+# Cache prefetch before expire. Default threshold is 10%, 0 for disabled.
+# The threshold percent should be between 10% ~ 90%
+prefetch = 10
+
 # Maximum iteration depth for a query
 maxdepth = 30
 

contrib/linux/sdns.service

@@ -11,8 +11,8 @@ Group=sdns
 LimitNOFILE=131072
 Restart=on-failure
 RestartSec=10
-Environment="SDNS_DEBUGNS=true"
-Environment="SDNS_PPROF=true"
+Environment="SDNS_DEBUGNS=false"
+Environment="SDNS_PPROF=false"
 WorkingDirectory=/var/lib/sdns
 ExecStart=/usr/bin/sdns --config=/etc/sdns.conf
 PermissionsStartOnly=true

sdns.go

@@ -8,7 +8,7 @@ import (
 	"fmt"
 	"os"
 	"os/signal"
-	"runtime"
+	"runtime/debug"
 	"syscall"
 	"time"
 
@@ -19,33 +19,37 @@ import (
 	"github.com/semihalev/sdns/server"
 )
 
-const version = "1.3.1-rc1"
+const version = "1.3.2"
 
 var (
-	flagcfgpath  = flag.String("config", "sdns.conf", "location of the config file, if config file not found, a config will generate")
-	flagprintver = flag.Bool("v", false, "show version information")
+	flagcfgpath  string
+	flagprintver bool
 
 	cfg *config.Config
 )
 
 func init() {
-	runtime.GOMAXPROCS(runtime.NumCPU())
+	flag.StringVar(&flagcfgpath, "config", "sdns.conf", "Location of the config file. If it doesn't exist, a new one will be generated.")
+	flag.StringVar(&flagcfgpath, "c", "sdns.conf", "Location of the config file. If it doesn't exist, a new one will be generated.")
+
+	flag.BoolVar(&flagprintver, "version", false, "Show the version of the program.")
+	flag.BoolVar(&flagprintver, "v", false, "Show the version of the program.")
 
 	flag.Usage = func() {
-		fmt.Fprintf(os.Stderr, "Usage: %s [OPTIONS]\n\n", os.Args[0])
-		fmt.Fprintln(os.Stderr, "Options:")
-		flag.PrintDefaults()
-		fmt.Fprintln(os.Stderr, "")
-		fmt.Fprintln(os.Stderr, "Example:")
-		fmt.Fprintf(os.Stderr, "%s -config=sdns.conf\n", os.Args[0])
-		fmt.Fprintln(os.Stderr, "")
+		fmt.Fprintf(os.Stderr, "Usage:\n  sdns [OPTIONS]\n\n")
+		fmt.Fprintf(os.Stderr, "Options:\n")
+		fmt.Fprintf(os.Stderr, "  -c, --config PATH\tLocation of the config file. If it doesn't exist, a new one will be generated.\n")
+		fmt.Fprintf(os.Stderr, "  -v, --version\t\tShow the version of the program.\n")
+		fmt.Fprintf(os.Stderr, "  -h, --help\t\tShow this message and exit.\n\n")
+		fmt.Fprintf(os.Stderr, "Example:\n")
+		fmt.Fprintf(os.Stderr, "  sdns -c sdns.conf\n\n")
 	}
 }
 
 func setup() {
 	var err error
 
-	if cfg, err = config.Load(*flagcfgpath, version); err != nil {
+	if cfg, err = config.Load(flagcfgpath, version); err != nil {
 		log.Crit("Config loading failed", "error", err.Error())
 	}
 
@@ -77,8 +81,9 @@ func run(ctx context.Context) *server.Server {
 func main() {
 	flag.Parse()
 
-	if *flagprintver {
-		println("SDNS v" + version)
+	if flagprintver {
+		buildInfo, _ := debug.ReadBuildInfo()
+		fmt.Fprintf(os.Stderr, "SDNS v%s built with %s\n", version, buildInfo.GoVersion)
 		os.Exit(0)
 	}