Get the adapter type information from Android OS.

webrtc/base/networkmonitor.h

 /*
  *  Copyright 2015 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 11 matching lines @@
 
 // Error values are negative.
 enum NetworkBindingResults {
   NETWORK_BIND_SUCCESS = 0,   // No error
   NETWORK_BIND_FAILURE = -1,  // Generic error
   NETWORK_BIND_NOT_IMPLEMENTED = -2,
   NETWORK_BIND_ADDRESS_NOT_FOUND = -3,
   NETWORK_BIND_NETWORK_CHANGED = -4
 };
 
+enum AdapterType {
+  // This enum resembles the one in Chromium net::ConnectionType.
+  ADAPTER_TYPE_UNKNOWN = 0,
+  ADAPTER_TYPE_ETHERNET = 1 << 0,
+  ADAPTER_TYPE_WIFI = 1 << 1,
+  ADAPTER_TYPE_CELLULAR = 1 << 2,
+  ADAPTER_TYPE_VPN = 1 << 3,
+  ADAPTER_TYPE_LOOPBACK = 1 << 4
+};
+
 class NetworkBinderInterface {
  public:
   // Binds a socket to the network that is attached to |address| so that all
   // packets on the socket |socket_fd| will be sent via that network.
   // This is needed because some operating systems (like Android) require a
   // special bind call to put packets on a non-default network interface.
   virtual int BindSocketToNetwork(int socket_fd, const IPAddress& address) = 0;
 };
 
 /*
@@ skipping 21 matching lines @@
   virtual ~NetworkMonitorInterface();
 
   sigslot::signal0<> SignalNetworksChanged;
 
   virtual void Start() = 0;
   virtual void Stop() = 0;
 
   // Implementations should call this method on the base when networks change,
   // and the base will fire SignalNetworksChanged on the right thread.
   virtual void OnNetworksChanged() = 0;
+
+  virtual AdapterType GetAdapterType(const std::string& interface_name) = 0;
 };
 
 class NetworkMonitorBase : public NetworkMonitorInterface,
                            public MessageHandler,
                            public sigslot::has_slots<> {
  public:
   NetworkMonitorBase();
   ~NetworkMonitorBase() override;
 
   void OnNetworksChanged() override;
@@ skipping 23 matching lines @@
 
   virtual ~NetworkMonitorFactory();
 
  protected:
   NetworkMonitorFactory();
 };
 
 }  // namespace rtc
 
 #endif  // WEBRTC_BASE_NETWORKMONITOR_H_