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 24 class NetworkController; 25 26 class DnsProxyListener : public FrameworkListener { 27 public: 28 explicit DnsProxyListener(const NetworkController* netCtrl); ~DnsProxyListener()29 virtual ~DnsProxyListener() {} 30 31 private: 32 const NetworkController *mNetCtrl; 33 class GetAddrInfoCmd : public NetdCommand { 34 public: 35 GetAddrInfoCmd(const DnsProxyListener* dnsProxyListener); ~GetAddrInfoCmd()36 virtual ~GetAddrInfoCmd() {} 37 int runCommand(SocketClient *c, int argc, char** argv); 38 private: 39 const DnsProxyListener* mDnsProxyListener; 40 }; 41 42 class GetAddrInfoHandler { 43 public: 44 // Note: All of host, service, and hints may be NULL 45 GetAddrInfoHandler(SocketClient *c, 46 char* host, 47 char* service, 48 struct addrinfo* hints, 49 unsigned netId, 50 uint32_t mark); 51 ~GetAddrInfoHandler(); 52 53 static void* threadStart(void* handler); 54 void start(); 55 56 private: 57 void run(); 58 SocketClient* mClient; // ref counted 59 char* mHost; // owned 60 char* mService; // owned 61 struct addrinfo* mHints; // owned 62 unsigned mNetId; 63 uint32_t mMark; 64 }; 65 66 /* ------ gethostbyname ------*/ 67 class GetHostByNameCmd : public NetdCommand { 68 public: 69 GetHostByNameCmd(const DnsProxyListener* dnsProxyListener); ~GetHostByNameCmd()70 virtual ~GetHostByNameCmd() {} 71 int runCommand(SocketClient *c, int argc, char** argv); 72 private: 73 const DnsProxyListener* mDnsProxyListener; 74 }; 75 76 class GetHostByNameHandler { 77 public: 78 GetHostByNameHandler(SocketClient *c, 79 char *name, 80 int af, 81 unsigned netId, 82 uint32_t mark); 83 ~GetHostByNameHandler(); 84 static void* threadStart(void* handler); 85 void start(); 86 private: 87 void run(); 88 SocketClient* mClient; //ref counted 89 char* mName; // owned 90 int mAf; 91 unsigned mNetId; 92 uint32_t mMark; 93 }; 94 95 /* ------ gethostbyaddr ------*/ 96 class GetHostByAddrCmd : public NetdCommand { 97 public: 98 GetHostByAddrCmd(const DnsProxyListener* dnsProxyListener); ~GetHostByAddrCmd()99 virtual ~GetHostByAddrCmd() {} 100 int runCommand(SocketClient *c, int argc, char** argv); 101 private: 102 const DnsProxyListener* mDnsProxyListener; 103 }; 104 105 class GetHostByAddrHandler { 106 public: 107 GetHostByAddrHandler(SocketClient *c, 108 void* address, 109 int addressLen, 110 int addressFamily, 111 unsigned netId, 112 uint32_t mark); 113 ~GetHostByAddrHandler(); 114 115 static void* threadStart(void* handler); 116 void start(); 117 118 private: 119 void run(); 120 SocketClient* mClient; // ref counted 121 void* mAddress; // address to lookup; owned 122 int mAddressLen; // length of address to look up 123 int mAddressFamily; // address family 124 unsigned mNetId; 125 uint32_t mMark; 126 }; 127 }; 128 129 #endif 130