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      1 /*
      2  * Copyright (C) 2014 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef NETD_SERVER_PHYSICAL_NETWORK_H
     18 #define NETD_SERVER_PHYSICAL_NETWORK_H
     19 
     20 #include "Network.h"
     21 #include "Permission.h"
     22 
     23 namespace android {
     24 namespace net {
     25 
     26 class PhysicalNetwork : public Network {
     27 public:
     28     class Delegate {
     29     public:
     30         virtual ~Delegate();
     31 
     32         virtual int addFallthrough(const std::string& physicalInterface,
     33                                    Permission permission) WARN_UNUSED_RESULT = 0;
     34         virtual int removeFallthrough(const std::string& physicalInterface,
     35                                       Permission permission) WARN_UNUSED_RESULT = 0;
     36     };
     37 
     38     PhysicalNetwork(unsigned netId, Delegate* delegate);
     39     virtual ~PhysicalNetwork();
     40 
     41     // These refer to permissions that apps must have in order to use this network.
     42     Permission getPermission() const;
     43     int setPermission(Permission permission) WARN_UNUSED_RESULT;
     44 
     45     int addAsDefault() WARN_UNUSED_RESULT;
     46     int removeAsDefault() WARN_UNUSED_RESULT;
     47 
     48 private:
     49     Type getType() const override;
     50     int addInterface(const std::string& interface) override WARN_UNUSED_RESULT;
     51     int removeInterface(const std::string& interface) override WARN_UNUSED_RESULT;
     52     int destroySocketsLackingPermission(Permission permission);
     53     void invalidateRouteCache(const std::string& interface);
     54 
     55     Delegate* const mDelegate;
     56     Permission mPermission;
     57     bool mIsDefault;
     58 };
     59 
     60 }  // namespace net
     61 }  // namespace android
     62 
     63 #endif  // NETD_SERVER_PHYSICAL_NETWORK_H
     64