1 /**
2  * Copyright (c) 2019, 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 _DNS_RESOLVER_H_
18 #define _DNS_RESOLVER_H_
19 
20 #include "DnsProxyListener.h"
21 #include "DnsQueryLog.h"
22 #include "ResolverController.h"
23 #include "netd_resolv/resolv.h"
24 
25 namespace android {
26 namespace net {
27 
28 class DnsResolver {
29   public:
30     static DnsResolver* getInstance();
31     bool start();
32     int setLogSeverity(int32_t logSeverity);
33 
34     DnsResolver(DnsResolver const&) = delete;
35     void operator=(DnsResolver const&) = delete;
36 
dnsQueryLog()37     DnsQueryLog& dnsQueryLog() { return mQueryLog; }
38 
39     ResolverController resolverCtrl;
40 
41   private:
42     DnsResolver();
43 
44     DnsProxyListener mDnsProxyListener;
45     DnsQueryLog mQueryLog;
46 };
47 
48 extern DnsResolver* gDnsResolv;
49 extern ResolverNetdCallbacks gResNetdCallbacks;
50 extern uint64_t gApiLevel;
51 
52 }  // namespace net
53 }  // namespace android
54 
55 #endif  // _DNS_RESOLVER_H_
56