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 DnsProxyListener : public FrameworkListener { 25 public: 26 DnsProxyListener(); ~DnsProxyListener()27 virtual ~DnsProxyListener() {} 28 29 private: 30 class GetAddrInfoCmd : public NetdCommand { 31 public: 32 GetAddrInfoCmd(); ~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 GetAddrInfoHandler(SocketClient * c,char * host,char * service,struct addrinfo * hints)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(); ~GetHostByAddrCmd()65 virtual ~GetHostByAddrCmd() {} 66 int runCommand(SocketClient *c, int argc, char** argv); 67 }; 68 69 class GetHostByAddrHandler { 70 public: GetHostByAddrHandler(SocketClient * c,void * address,int addressLen,int addressFamily)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