回调增加网络路由

vnt-jni/java/top/wherewego/vnt/jni/IpUtils.java

@@ -6,6 +6,12 @@ package top.wherewego.vnt.jni;
  * @author https://github.com/lbl8603/vnt
  */
 public class IpUtils {
+    /**
+     * 将整数的ip地址转成字符串，例如 0 转成 "0.0.0.0"
+     *
+     * @param ipAddress
+     * @return
+     */
     public static String intToIpAddress(int ipAddress) {
 
         return ((ipAddress & 0xFF000000) >>> 24) + "." +
@@ -13,6 +19,13 @@ public class IpUtils {
                 ((ipAddress & 0x0000FF00) >>> 8) + "." +
                 (ipAddress & 0x000000FF);
     }
+
+    /**
+     * 返回掩码的长度
+     *
+     * @param subnetMask
+     * @return
+     */
     public static int subnetMaskToPrefixLength(int subnetMask) {
         int prefixLength = 0;
         int bit = 1 << 31;