1 /* 2 * Copyright (C) 2014 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 NETD_SERVER_NETWORK_H 18 #define NETD_SERVER_NETWORK_H 19 20 #include "NetdConstants.h" 21 22 #include <set> 23 #include <string> 24 25 // A Network represents a collection of interfaces participating as a single administrative unit. 26 class Network { 27 public: 28 enum Type { 29 LOCAL, 30 PHYSICAL, 31 VIRTUAL, 32 }; 33 34 // You MUST ensure that no interfaces are still assigned to this network, say by calling 35 // clearInterfaces(), before deleting it. This is because interface removal may fail. If we 36 // automatically removed interfaces in the destructor, you wouldn't know if it failed. 37 virtual ~Network(); 38 39 virtual Type getType() const = 0; 40 unsigned getNetId() const; 41 42 bool hasInterface(const std::string& interface) const; 43 const std::set<std::string>& getInterfaces() const; 44 45 // These return 0 on success or negative errno on failure. 46 virtual int addInterface(const std::string& interface) WARN_UNUSED_RESULT = 0; 47 virtual int removeInterface(const std::string& interface) WARN_UNUSED_RESULT = 0; 48 int clearInterfaces() WARN_UNUSED_RESULT; 49 50 protected: 51 explicit Network(unsigned netId); 52 53 const unsigned mNetId; 54 std::set<std::string> mInterfaces; 55 }; 56 57 #endif // NETD_SERVER_NETWORK_H 58
