1 /*
2  * Copyright (c) 2022-2024 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef NETSYS_DNSRESOLV_DNS_RESOLV_LISTEN_H
17 #define NETSYS_DNSRESOLV_DNS_RESOLV_LISTEN_H
18 
19 #include <cstdint>
20 
21 #include "event_handler.h"
22 #include "ffrt.h"
23 
24 namespace OHOS {
25 namespace nmd {
26 class DnsResolvListen {
27 public:
28     DnsResolvListen();
29     ~DnsResolvListen();
30 
31     void StartListen();
32 
33 private:
34     static void ProcGetConfigCommand(int clientSockFd, uint16_t netId, uint32_t uid);
35 #ifdef FEATURE_NET_FIREWALL_ENABLE
36     static void ProcSetCacheCommand(int clientSockFd, uint16_t netId, uint32_t callingUid);
37     static void ProcGetCacheCommand(int clientSockFd, uint16_t netId, uint32_t callingUid);
38 #endif
39     static void ProcSetCacheCommand(int clientSockFd, uint16_t netId);
40     static void ProcGetCacheCommand(int clientSockFd, uint16_t netId);
41     static void ProcJudgeIpv6Command(int clientSockFd, uint16_t netId);
42     static void ProcPostDnsResultCommand(int clientSockFd, uint16_t netId);
43     static void ProcGetDefaultNetworkCommand(int clientSockFd, uint16_t netId);
44     static void ProcBindSocketCommand(int clientSockFd, uint16_t netId);
45     static void ProcCommand(int clientSockFd);
46     static int32_t ProcGetKeyForCache(int clientSockFd, char *name);
47     static bool ProcPostDnsThreadResult(int clientSockFd, uint32_t &uid, uint32_t &pid);
48 
49     int32_t serverSockFd_;
50 };
51 } // namespace nmd
52 } // namespace OHOS
53 #endif // NETSYS_DNSRESOLV_DNS_RESOLV_LISTEN_H
54