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 WIFICOND_AP_INTERFACE_IMPL_H_ 18 #define WIFICOND_AP_INTERFACE_IMPL_H_ 19 20 #include <string> 21 #include <vector> 22 23 #include <android-base/macros.h> 24 #include <wifi_system/hostapd_manager.h> 25 #include <wifi_system/interface_tool.h> 26 27 #include "wificond/net/netlink_manager.h" 28 29 #include "android/net/wifi/IApInterface.h" 30 31 namespace android { 32 namespace wificond { 33 34 class ApInterfaceBinder; 35 class NetlinkUtils; 36 37 // Holds the guts of how we control network interfaces capable of exposing an AP 38 // via hostapd. Because remote processes may hold on to the corresponding 39 // binder object past the lifetime of the local object, we are forced to 40 // keep this object separate from the binder representation of itself. 41 class ApInterfaceImpl { 42 public: 43 ApInterfaceImpl(const std::string& interface_name, 44 uint32_t interface_index, 45 NetlinkUtils* netlink_utils, 46 wifi_system::InterfaceTool* if_tool, 47 wifi_system::HostapdManager* hostapd_manager); 48 ~ApInterfaceImpl(); 49 50 // Get a pointer to the binder representing this ApInterfaceImpl. 51 android::sp<android::net::wifi::IApInterface> GetBinder() const; 52 53 bool StartHostapd(); 54 bool StopHostapd(); 55 bool WriteHostapdConfig( 56 const std::vector<uint8_t>& ssid, 57 bool is_hidden, 58 int32_t channel, 59 wifi_system::HostapdManager::EncryptionType encryption_type, 60 const std::vector<uint8_t>& passphrase); GetInterfaceName()61 std::string GetInterfaceName() { return interface_name_; } 62 int GetNumberOfAssociatedStations() const; 63 void Dump(std::stringstream* ss) const; 64 65 private: 66 const std::string interface_name_; 67 const uint32_t interface_index_; 68 NetlinkUtils* const netlink_utils_; 69 wifi_system::InterfaceTool* const if_tool_; 70 wifi_system::HostapdManager* const hostapd_manager_; 71 const android::sp<ApInterfaceBinder> binder_; 72 73 // Number of associated stations. 74 int number_of_associated_stations_; 75 76 void OnStationEvent(StationEvent event, 77 const std::vector<uint8_t>& mac_address); 78 79 DISALLOW_COPY_AND_ASSIGN(ApInterfaceImpl); 80 }; 81 82 } // namespace wificond 83 } // namespace android 84 85 #endif // WIFICOND_AP_INTERFACE_IMPL_H_ 86