1 /*
2 * Copyright (C) 2011 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 #define LOG_TAG "ResolverController"
18 #define DBG 0
19
20 #include <cutils/log.h>
21
22 #include <net/if.h>
23
24 // NOTE: <resolv_netid.h> is a private C library header that provides
25 // declarations for _resolv_set_nameservers_for_net and
26 // _resolv_flush_cache_for_net
27 #include <resolv_netid.h>
28
29 #include "ResolverController.h"
30
setDnsServers(unsigned netId,const char * domains,const char ** servers,int numservers)31 int ResolverController::setDnsServers(unsigned netId, const char* domains,
32 const char** servers, int numservers) {
33 if (DBG) {
34 ALOGD("setDnsServers netId = %u\n", netId);
35 }
36 _resolv_set_nameservers_for_net(netId, servers, numservers, domains);
37
38 return 0;
39 }
40
clearDnsServers(unsigned netId)41 int ResolverController::clearDnsServers(unsigned netId) {
42 _resolv_set_nameservers_for_net(netId, NULL, 0, "");
43 if (DBG) {
44 ALOGD("clearDnsServers netId = %u\n", netId);
45 }
46 return 0;
47 }
48
flushDnsCache(unsigned netId)49 int ResolverController::flushDnsCache(unsigned netId) {
50 if (DBG) {
51 ALOGD("flushDnsCache netId = %u\n", netId);
52 }
53
54 _resolv_flush_cache_for_net(netId);
55
56 return 0;
57 }
58