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