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      1 //
      2 // Copyright (C) 2015 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 SHILL_DBUS_CHROMEOS_SUPPLICANT_NETWORK_PROXY_H_
     18 #define SHILL_DBUS_CHROMEOS_SUPPLICANT_NETWORK_PROXY_H_
     19 
     20 #include <map>
     21 #include <string>
     22 
     23 #include <base/macros.h>
     24 
     25 #include "shill/refptr_types.h"
     26 #include "shill/supplicant/supplicant_network_proxy_interface.h"
     27 #include "supplicant/dbus-proxies.h"
     28 
     29 namespace shill {
     30 
     31 // ChromeosSupplicantNetworkProxy. provides access to wpa_supplicant's
     32 // network-interface APIs via D-Bus.
     33 class ChromeosSupplicantNetworkProxy
     34     : public SupplicantNetworkProxyInterface {
     35  public:
     36   ChromeosSupplicantNetworkProxy(const scoped_refptr<dbus::Bus>& bus,
     37                                  const std::string& object_path);
     38   ~ChromeosSupplicantNetworkProxy() override;
     39 
     40   // Implementation of SupplicantNetworkProxyInterface.
     41   // This function will always return true, since PropertySet::Set is an
     42   // async method. Failures will be logged in the callback.
     43   bool SetEnabled(bool enabled) override;
     44 
     45  private:
     46   class PropertySet : public dbus::PropertySet {
     47    public:
     48     PropertySet(dbus::ObjectProxy* object_proxy,
     49                 const std::string& interface_name,
     50                 const PropertyChangedCallback& callback);
     51     brillo::dbus_utils::Property<bool> enabled;
     52 
     53    private:
     54     DISALLOW_COPY_AND_ASSIGN(PropertySet);
     55   };
     56 
     57   static const char kInterfaceName[];
     58   static const char kPropertyEnabled[];
     59   static const char kPropertyProperties[];
     60 
     61   // Signal handlers.
     62   void PropertiesChanged(const brillo::VariantDictionary& properties);
     63 
     64   // Callback invoked when the value of property |property_name| is changed.
     65   void OnPropertyChanged(const std::string& property_name);
     66 
     67   // Called when signal is connected to the ObjectProxy.
     68   void OnSignalConnected(const std::string& interface_name,
     69                          const std::string& signal_name,
     70                          bool success);
     71 
     72   std::unique_ptr<fi::w1::wpa_supplicant1::NetworkProxy> network_proxy_;
     73   std::unique_ptr<PropertySet> properties_;
     74 
     75   base::WeakPtrFactory<ChromeosSupplicantNetworkProxy> weak_factory_{this};
     76   DISALLOW_COPY_AND_ASSIGN(ChromeosSupplicantNetworkProxy);
     77 };
     78 
     79 }  // namespace shill
     80 
     81 #endif  // SHILL_DBUS_CHROMEOS_SUPPLICANT_NETWORK_PROXY_H_
     82