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      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 <linux/if.h>
     23 #include <resolv.h>
     24 
     25 #include "ResolverController.h"
     26 
     27 int ResolverController::setDefaultInterface(const char* iface) {
     28     if (DBG) {
     29         LOGD("setDefaultInterface iface = %s\n", iface);
     30     }
     31 
     32     _resolv_set_default_iface(iface);
     33 
     34     return 0;
     35 }
     36 
     37 int ResolverController::setInterfaceDnsServers(const char* iface, char** servers, int numservers) {
     38     if (DBG) {
     39         LOGD("setInterfaceDnsServers iface = %s\n", iface);
     40     }
     41 
     42     _resolv_set_nameservers_for_iface(iface, servers, numservers);
     43 
     44     return 0;
     45 }
     46 
     47 int ResolverController::setInterfaceAddress(const char* iface, struct in_addr* addr) {
     48     if (DBG) {
     49         LOGD("setInterfaceAddress iface = %s\n", iface);
     50     }
     51 
     52     _resolv_set_addr_of_iface(iface, addr);
     53 
     54     return 0;
     55 }
     56 
     57 int ResolverController::flushDefaultDnsCache() {
     58     if (DBG) {
     59         LOGD("flushDefaultDnsCache\n");
     60     }
     61 
     62     _resolv_flush_cache_for_default_iface();
     63 
     64     return 0;
     65 }
     66 
     67 int ResolverController::flushInterfaceDnsCache(const char* iface) {
     68     if (DBG) {
     69         LOGD("flushInterfaceDnsCache iface = %s\n", iface);
     70     }
     71 
     72     _resolv_flush_cache_for_iface(iface);
     73 
     74     return 0;
     75 }
     76