| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef WIFICOND_CLIENT_INTERFACE_IMPL_H_ |
| #define WIFICOND_CLIENT_INTERFACE_IMPL_H_ |
| |
| #include <array> |
| #include <string> |
| |
| #include <linux/if_ether.h> |
| |
| #include <android-base/macros.h> |
| #include <utils/StrongPointer.h> |
| #include <wifi_system/interface_tool.h> |
| |
| #include "android/net/wifi/nl80211/IClientInterface.h" |
| #include "android/net/wifi/nl80211/ISendMgmtFrameEvent.h" |
| #include "wificond/net/mlme_event_handler.h" |
| #include "wificond/net/netlink_utils.h" |
| #include "wificond/scanning/scanner_impl.h" |
| |
| namespace android { |
| namespace wificond { |
| |
| class ClientInterfaceBinder; |
| class ClientInterfaceImpl; |
| class ScanUtils; |
| |
| class MlmeEventHandlerImpl : public MlmeEventHandler { |
| public: |
| MlmeEventHandlerImpl(ClientInterfaceImpl* client_interface); |
| ~MlmeEventHandlerImpl() override; |
| void OnConnect(std::unique_ptr<MlmeConnectEvent> event) override; |
| void OnRoam(std::unique_ptr<MlmeRoamEvent> event) override; |
| void OnAssociate(std::unique_ptr<MlmeAssociateEvent> event) override; |
| void OnDisconnect(std::unique_ptr<MlmeDisconnectEvent> event) override; |
| void OnDisassociate(std::unique_ptr<MlmeDisassociateEvent> event) override; |
| |
| private: |
| ClientInterfaceImpl* client_interface_; |
| }; |
| |
| // Holds the guts of how we control network interfaces capable of connecting to |
| // access points via wpa_supplicant. |
| // |
| // Because remote processes may hold on to the corresponding |
| // binder object past the lifetime of the local object, we are forced to |
| // keep this object separate from the binder representation of itself. |
| class ClientInterfaceImpl { |
| public: |
| ClientInterfaceImpl( |
| uint32_t wiphy_index, |
| const std::string& interface_name, |
| uint32_t interface_index, |
| const std::array<uint8_t, ETH_ALEN>& interface_mac_addr, |
| android::wifi_system::InterfaceTool* if_tool, |
| NetlinkUtils* netlink_utils, |
| ScanUtils* scan_utils); |
| virtual ~ClientInterfaceImpl(); |
| |
| // Get a pointer to the binder representing this ClientInterfaceImpl. |
| android::sp<android::net::wifi::nl80211::IClientInterface> GetBinder() const; |
| |
| bool GetPacketCounters(std::vector<int32_t>* out_packet_counters); |
| bool SignalPoll(std::vector<int32_t>* out_signal_poll_results); |
| const std::array<uint8_t, ETH_ALEN>& GetMacAddress(); |
| const std::string& GetInterfaceName() const { return interface_name_; } |
| void UpdateBandInfo(); |
| const BandInfo& GetBandInfo() const; |
| const android::sp<ScannerImpl> GetScanner() { return scanner_; }; |
| virtual bool IsAssociated() const; |
| void Dump(std::stringstream* ss) const; |
| void SendMgmtFrame( |
| const std::vector<uint8_t>& frame, |
| const sp<::android::net::wifi::nl80211::ISendMgmtFrameEvent>& callback, |
| int32_t mcs); |
| |
| private: |
| bool RefreshAssociateFreq(); |
| bool OnChannelSwitchEvent(uint32_t frequency); |
| |
| const uint32_t wiphy_index_; |
| const std::string interface_name_; |
| const uint32_t interface_index_; |
| const std::array<uint8_t, ETH_ALEN> interface_mac_addr_; |
| android::wifi_system::InterfaceTool* const if_tool_; |
| NetlinkUtils* const netlink_utils_; |
| ScanUtils* const scan_utils_; |
| const std::unique_ptr<MlmeEventHandlerImpl> mlme_event_handler_; |
| const android::sp<ClientInterfaceBinder> binder_; |
| android::sp<ScannerImpl> scanner_; |
| |
| // Cached information for this connection. |
| bool is_associated_; |
| std::array<uint8_t, ETH_ALEN> bssid_; |
| uint32_t associate_freq_; |
| |
| // Capability information for this wiphy/interface. |
| BandInfo band_info_; |
| ScanCapabilities scan_capabilities_; |
| WiphyFeatures wiphy_features_; |
| |
| // handler for frame tx status messages |
| bool frame_tx_in_progress_; |
| uint64_t frame_tx_status_cookie_; |
| std::function<void(bool was_acked)> on_frame_tx_status_event_handler_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ClientInterfaceImpl); |
| friend class MlmeEventHandlerImpl; |
| }; |
| |
| } // namespace wificond |
| } // namespace android |
| |
| #endif // WIFICOND_CLIENT_INTERFACE_IMPL_H_ |