* stats: use uint32 or uint64 integer values, not int

home/config.go

@@ -110,7 +110,7 @@ type dnsConfig struct {
 	Port     int    `yaml:"port"`
 
 	// time interval for statistics (in days)
-	StatsInterval uint `yaml:"statistics_interval"`
+	StatsInterval uint32 `yaml:"statistics_interval"`
 
 	dnsforward.FilteringConfig `yaml:",inline"`
 

home/control_stats.go

@@ -9,7 +9,7 @@ import (
 )
 
 type statsConfig struct {
-	Interval uint `json:"interval"`
+	Interval uint32 `json:"interval"`
 }
 
 // Get stats configuration
@@ -89,6 +89,6 @@ func RegisterStatsHandlers() {
 	httpRegister(http.MethodGet, "/control/stats_info", handleStatsInfo)
 }
 
-func checkStatsInterval(i uint) bool {
+func checkStatsInterval(i uint32) bool {
 	return i == 1 || i == 7 || i == 30 || i == 90
 }

home/dns.go

@@ -35,7 +35,8 @@ func initDNSServer(baseDir string) {
 		log.Fatalf("Cannot create DNS data dir at %s: %s", baseDir, err)
 	}
 
-	config.stats, err = stats.New(filepath.Join(baseDir, "stats.db"), int(config.DNS.StatsInterval), nil)
+	statsDBFilename := filepath.Join(baseDir, "stats.db")
+	config.stats, err = stats.New(statsDBFilename, config.DNS.StatsInterval, nil)
 	if err != nil {
 		log.Fatal("Couldn't initialize statistics module")
 	}