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/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _DNSPROXYLISTENER_H__
#define _DNSPROXYLISTENER_H__
#include <sysutils/FrameworkListener.h>
#include "NetdCommand.h"
class NetworkController;
class DnsProxyListener : public FrameworkListener {
public:
explicit DnsProxyListener(const NetworkController* netCtrl);
virtual ~DnsProxyListener() {}
private:
const NetworkController *mNetCtrl;
class GetAddrInfoCmd : public NetdCommand {
public:
GetAddrInfoCmd(const DnsProxyListener* dnsProxyListener);
virtual ~GetAddrInfoCmd() {}
int runCommand(SocketClient *c, int argc, char** argv);
private:
const DnsProxyListener* mDnsProxyListener;
};
class GetAddrInfoHandler {
public:
// Note: All of host, service, and hints may be NULL
GetAddrInfoHandler(SocketClient *c,
char* host,
char* service,
struct addrinfo* hints,
unsigned netId,
uint32_t mark);
~GetAddrInfoHandler();
static void* threadStart(void* handler);
void start();
private:
void run();
SocketClient* mClient; // ref counted
char* mHost; // owned
char* mService; // owned
struct addrinfo* mHints; // owned
unsigned mNetId;
uint32_t mMark;
};
/* ------ gethostbyname ------*/
class GetHostByNameCmd : public NetdCommand {
public:
GetHostByNameCmd(const DnsProxyListener* dnsProxyListener);
virtual ~GetHostByNameCmd() {}
int runCommand(SocketClient *c, int argc, char** argv);
private:
const DnsProxyListener* mDnsProxyListener;
};
class GetHostByNameHandler {
public:
GetHostByNameHandler(SocketClient *c,
char *name,
int af,
unsigned netId,
uint32_t mark);
~GetHostByNameHandler();
static void* threadStart(void* handler);
void start();
private:
void run();
SocketClient* mClient; //ref counted
char* mName; // owned
int mAf;
unsigned mNetId;
uint32_t mMark;
};
/* ------ gethostbyaddr ------*/
class GetHostByAddrCmd : public NetdCommand {
public:
GetHostByAddrCmd(const DnsProxyListener* dnsProxyListener);
virtual ~GetHostByAddrCmd() {}
int runCommand(SocketClient *c, int argc, char** argv);
private:
const DnsProxyListener* mDnsProxyListener;
};
class GetHostByAddrHandler {
public:
GetHostByAddrHandler(SocketClient *c,
void* address,
int addressLen,
int addressFamily,
unsigned netId,
uint32_t mark);
~GetHostByAddrHandler();
static void* threadStart(void* handler);
void start();
private:
void run();
SocketClient* mClient; // ref counted
void* mAddress; // address to lookup; owned
int mAddressLen; // length of address to look up
int mAddressFamily; // address family
unsigned mNetId;
uint32_t mMark;
};
// Calculate the socket mark to use for a DNS resolution.
uint32_t calcMark(unsigned netId) const;
};
#endif
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