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
23namespace android {
24namespace net {
25
26class PhysicalNetwork : public Network {
27public:
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
48private:
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