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      1 /*
      2  * Copyright (C) 2008 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 _INTERFACE_CONFIG_H
     18 #define _INTERFACE_CONFIG_H
     19 
     20 #include <unistd.h>
     21 #include <sys/types.h>
     22 #include <netinet/in.h>
     23 #include <arpa/inet.h>
     24 
     25 #include "Property.h"
     26 class PropertyManager;
     27 
     28 class InterfaceConfig {
     29     class InterfaceDnsProperty;
     30     friend class InterfaceConfig::InterfaceDnsProperty;
     31 
     32     struct {
     33         IPV4AddressPropertyHelper *propIp;
     34         IPV4AddressPropertyHelper *propNetmask;
     35         IPV4AddressPropertyHelper *propGateway;
     36         IPV4AddressPropertyHelper *propBroadcast;
     37         InterfaceDnsProperty      *propDns;
     38     } mStaticProperties;
     39 
     40     struct in_addr mIp;
     41     struct in_addr mNetmask;
     42     struct in_addr mGateway;
     43     struct in_addr mBroadcast;
     44     struct in_addr mDns[2];
     45 
     46 public:
     47     InterfaceConfig(bool propertiesReadOnly);
     48     virtual ~InterfaceConfig();
     49 
     50     int set(const char *name, const char *value);
     51     const char *get(const char *name, char *buffer, size_t maxsize);
     52 
     53     const struct in_addr &getIp() const { return mIp; }
     54     const struct in_addr &getNetmask() const { return mNetmask; }
     55     const struct in_addr &getGateway() const { return mGateway; }
     56     const struct in_addr &getBroadcast() const { return mBroadcast; }
     57     const struct in_addr &getDns(int idx) const { return mDns[idx]; }
     58 
     59     void setIp(struct in_addr *addr);
     60     void setNetmask(struct in_addr *addr);
     61     void setGateway(struct in_addr *addr);
     62     void setBroadcast(struct in_addr *addr);
     63     void setDns(int idx, struct in_addr *addr);
     64 
     65     int attachProperties(PropertyManager *pm, const char *nsName);
     66     int detachProperties(PropertyManager *pm, const char *nsName);
     67 
     68 private:
     69 
     70     class InterfaceDnsProperty : public IPV4AddressProperty {
     71         InterfaceConfig *mCfg;
     72     public:
     73         InterfaceDnsProperty(InterfaceConfig *cfg, bool ro);
     74         int set(int idx, struct in_addr *value);
     75         int get(int idx, struct in_addr *buffer);
     76     };
     77 };
     78 
     79 
     80 #endif
     81