1/*
2 * Copyright (C) 2017 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#pragma once
17
18#include <stdint.h>
19#include <string>
20
21#include "address.h"
22#include "socket.h"
23
24// A class that contains the information used by the proxy that is specific to a
25// single interface. This includes the name and index of the interface as well
26// as the sockets used to send and receive data on the interface.
27//
28// The class also contains the functionality needed to initialized and configure
29// the interface, sockets and addresses.
30class Interface {
31public:
32    explicit Interface(const std::string& name);
33
34    bool init();
35
36    const std::string& name() const { return mName; }
37    uint32_t index() const { return mIndex; }
38    Socket& ipSocket() { return mIpSocket; }
39    Socket& icmpSocket() { return mIcmpSocket; }
40    const Address& linkAddr() const { return mLinkAddr; }
41
42private:
43    bool setAllMulti();
44    bool resolveAddresses();
45    bool configureIcmpSocket();
46    bool configureIpSocket();
47
48    std::string mName;
49    uint32_t mIndex;
50    Socket mIpSocket;
51    Socket mIcmpSocket;
52    Address mLinkAddr;
53};
54
55