Android: increase garbage collection frequency (#11)

Author: alalamav

android/common.go

@@ -18,12 +18,18 @@ import (
 	"errors"
 	"log"
 	"os"
+	"runtime/debug"
 
 	"github.com/Jigsaw-Code/outline-go-tun2socks/tunnel"
 )
 
 const vpnMtu = 1500
 
+func init() {
+	// Conserve memory by increasing garbage collection frequency.
+	debug.SetGCPercent(10)
+}
+
 func makeTunFile(fd int) (*os.File, error) {
 	if fd < 0 {
 		return nil, errors.New("Must provide a valid TUN file descriptor")

tunnel/outline.go

@@ -62,7 +62,7 @@ func (t *outlinetunnel) SetUDPEnabled(isUDPEnabled bool) {
 		return
 	}
 	t.isUDPEnabled = isUDPEnabled
-	t.lwipStack.Close() // Close exisiting connections to avoid using the previous handlers.
+	t.lwipStack.Close() // Close existing connections to avoid using the previous handlers.
 	t.registerConnectionHandlers()
 }