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      1 //
      2 // Copyright (C) 2016 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 UPDATE_ENGINE_NETWORK_SELECTOR_INTERFACE_H_
     18 #define UPDATE_ENGINE_NETWORK_SELECTOR_INTERFACE_H_
     19 
     20 #include <cstdint>
     21 
     22 namespace chromeos_update_engine {
     23 
     24 typedef uint64_t NetworkId;
     25 
     26 // A constant value used to indicate the default network id. Defined in the
     27 // network_selector_*.cc file.
     28 extern const NetworkId kDefaultNetworkId;
     29 
     30 // A class that handles the network used for the connections performed from this
     31 // process in a platform-specific way.
     32 
     33 class NetworkSelectorInterface {
     34  public:
     35 
     36   virtual ~NetworkSelectorInterface() = default;
     37 
     38   // Set the current process network. All sockets created in the future will be
     39   // bound to this particular network. Call this with the special value
     40   // kNetworkId to use the default network.
     41   virtual bool SetProcessNetwork(NetworkId network_id) = 0;
     42 
     43  protected:
     44   NetworkSelectorInterface() = default;
     45 };
     46 
     47 }  // namespace chromeos_update_engine
     48 
     49 #endif  // UPDATE_ENGINE_NETWORK_SELECTOR_INTERFACE_H_
     50