1/*
2 * Copyright (C) 2010 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 _DNSPROXYLISTENER_H__
18#define _DNSPROXYLISTENER_H__
19
20#include <sysutils/FrameworkListener.h>
21
22#include "NetdCommand.h"
23
24class DnsProxyListener : public FrameworkListener {
25public:
26    DnsProxyListener();
27    virtual ~DnsProxyListener() {}
28
29private:
30    class GetAddrInfoCmd : public NetdCommand {
31    public:
32        GetAddrInfoCmd();
33        virtual ~GetAddrInfoCmd() {}
34        int runCommand(SocketClient *c, int argc, char** argv);
35    };
36
37    class GetAddrInfoHandler {
38    public:
39        // Note: All of host, service, and hints may be NULL
40        GetAddrInfoHandler(SocketClient *c,
41                           char* host,
42                           char* service,
43                           struct addrinfo* hints)
44            : mClient(c),
45              mHost(host),
46              mService(service),
47              mHints(hints) {}
48        ~GetAddrInfoHandler();
49
50        static void* threadStart(void* handler);
51        void start();
52
53    private:
54        void run();
55        SocketClient* mClient;  // ref counted
56        char* mHost;    // owned
57        char* mService; // owned
58        struct addrinfo* mHints;  // owned
59    };
60
61    /* ------ gethostbyaddr ------*/
62    class GetHostByAddrCmd : public NetdCommand {
63    public:
64        GetHostByAddrCmd();
65        virtual ~GetHostByAddrCmd() {}
66        int runCommand(SocketClient *c, int argc, char** argv);
67    };
68
69    class GetHostByAddrHandler {
70    public:
71        GetHostByAddrHandler(SocketClient *c,
72                            void* address,
73                            int   addressLen,
74                            int   addressFamily)
75            : mClient(c),
76              mAddress(address),
77              mAddressLen(addressLen),
78              mAddressFamily(addressFamily) {}
79        ~GetHostByAddrHandler();
80
81        static void* threadStart(void* handler);
82        void start();
83
84    private:
85        void run();
86        SocketClient* mClient;  // ref counted
87        void* mAddress;    // address to lookup; owned
88        int   mAddressLen; // length of address to look up
89        int   mAddressFamily;  // address family
90    };
91};
92
93#endif
94