content: /*
   * Copyright (c) 2019 abc123lzf <abc123lzf@126.com>
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in all
   * copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   */
  package com.lzf.flyingsocks.client.proxy;
  
  public interface ProxyAutoChecker {
  
      /**
       * 不代理
       */
      int PROXY_NO = 0;
  
      /**
       * GFW黑名单代理模式
       */
      int PROXY_GFW_LIST = 1;
  
      /**
       * 全局代理模式
       */
      int PROXY_GLOBAL = 2;
  
      /**
       * IP白名单模式
       */
      int PROXY_NON_CN = 3;
  
      /**
       * 判断是否需要代理
       *
       * @param host 主机名或者IPv4/IPv6地址
       * @return 是否需要代理
       */
      boolean needProxy(String host);
  
      /**
       * @return 当前代理模式
       */
      int proxyMode();
  
      /**
       * 改变代理模式
       *
       * @param mode 模式编号
       */
      void changeProxyMode(int mode);
  
  }
  