move const to const file

const.go

@@ -1,10 +1,19 @@
 package dsnet
 
 const (
+	// could be overridden in future via env
+	CONFIG_FILE = "/etc/dsnet-config.json"
+
 	// these end up in the config file
 	DEFAULT_INTERFACE_NAME = "dsnet"
 	DEFAULT_REPORT_FILE = "/var/lib/dsnet-report.json"
 
-	// could be overridden in future via env
-	CONFIG_FILE = "/etc/dsnet-config.json"
+	// keepalive always configured for everything
+	KEEPALIVE_SECONDS = 21;
+
+	// when is a peer considered gone forever? (could remove)
+	EXPIRY_DAYS = 28;
+
+	LISTEN_PORT = 51820;
+
 )

types.go

@@ -5,11 +5,6 @@ import (
 	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
 )
 
-// keepalive for everything
-const KeepaliveSeconds = 21;
-const ExpiryDays = 28;
-const DefaultListenPort = 51820;
-
 // see https://github.com/WireGuard/wgctrl-go/blob/master/wgtypes/types.go for definitions
 type PeerConfig struct {
 	// username of person running this host/router