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163 lines
6.5 KiB
163 lines
6.5 KiB
4 months ago
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/*
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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_SERVER_H_
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#define WIFICOND_SERVER_H_
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#include <memory>
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#include <string>
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#include <vector>
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#include <android-base/macros.h>
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#include <wifi_system/interface_tool.h>
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#include "android/net/wifi/nl80211/BnWificond.h"
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#include "android/net/wifi/nl80211/IApInterface.h"
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#include "android/net/wifi/nl80211/IClientInterface.h"
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#include "android/net/wifi/nl80211/IInterfaceEventCallback.h"
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#include "android/net/wifi/nl80211/IWificondEventCallback.h"
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#include "wificond/ap_interface_impl.h"
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#include "wificond/client_interface_impl.h"
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namespace android {
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namespace wificond {
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class NL80211Packet;
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class NetlinkUtils;
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class ScanUtils;
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struct InterfaceInfo;
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class Server : public android::net::wifi::nl80211::BnWificond {
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public:
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Server(std::unique_ptr<wifi_system::InterfaceTool> if_tool,
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NetlinkUtils* netlink_utils,
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ScanUtils* scan_utils);
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~Server() override = default;
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android::binder::Status registerWificondEventCallback(
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const android::sp<android::net::wifi::nl80211::IWificondEventCallback>&
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callback) override;
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android::binder::Status unregisterWificondEventCallback(
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const android::sp<android::net::wifi::nl80211::IWificondEventCallback>&
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callback) override;
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android::binder::Status RegisterCallback(
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const android::sp<android::net::wifi::nl80211::IInterfaceEventCallback>&
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callback) override;
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android::binder::Status UnregisterCallback(
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const android::sp<android::net::wifi::nl80211::IInterfaceEventCallback>&
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callback) override;
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// Returns a vector of available frequencies for 2.4GHz channels.
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android::binder::Status getAvailable2gChannels(
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::std::optional<::std::vector<int32_t>>* out_frequencies) override;
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// Returns a vector of available frequencies for 5GHz non-DFS channels.
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android::binder::Status getAvailable5gNonDFSChannels(
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::std::optional<::std::vector<int32_t>>* out_frequencies) override;
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// Returns a vector of available frequencies for DFS channels.
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android::binder::Status getAvailableDFSChannels(
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::std::optional<::std::vector<int32_t>>* out_frequencies) override;
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// Returns a vector of available frequencies for 6GHz channels.
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android::binder::Status getAvailable6gChannels(
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::std::optional<::std::vector<int32_t>>* out_frequencies) override;
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// Returns a vector of available frequencies for 60GHz channels.
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android::binder::Status getAvailable60gChannels(
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::std::optional<::std::vector<int32_t>>* out_frequencies) override;
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android::binder::Status createApInterface(
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const std::string& iface_name,
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android::sp<android::net::wifi::nl80211::IApInterface>*
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created_interface) override;
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android::binder::Status createClientInterface(
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const std::string& iface_name,
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android::sp<android::net::wifi::nl80211::IClientInterface>*
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created_interface) override;
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android::binder::Status tearDownApInterface(
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const std::string& iface_name,
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bool* out_success) override;
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android::binder::Status tearDownClientInterface(
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const std::string& iface_name,
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bool* out_success) override;
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android::binder::Status tearDownInterfaces() override;
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android::binder::Status GetClientInterfaces(
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std::vector<android::sp<android::IBinder>>* out_client_ifs) override;
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android::binder::Status GetApInterfaces(
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std::vector<android::sp<android::IBinder>>* out_ap_ifs) override;
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status_t dump(int fd, const Vector<String16>& args) override;
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// Returns device wiphy capabilities for an interface
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android::binder::Status getDeviceWiphyCapabilities(
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const std::string& iface_name,
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::std::optional<net::wifi::nl80211::DeviceWiphyCapabilities>* capabilities) override;
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private:
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// Request interface information from kernel and setup local interface object.
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// This assumes that interface should be in STATION mode. Even if we setup
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// interface on behalf of createApInterace(), it is Hostapd that configure
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// the interface to Ap mode later.
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// Returns true on success, false otherwise.
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bool SetupInterface(const std::string& iface_name, InterfaceInfo* interface,
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uint32_t *wiphy_index);
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void LogSupportedBands(uint32_t wiphy_index);
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void OnRegDomainChanged(uint32_t wiphy_index, std::string& country_code);
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void BroadcastClientInterfaceReady(
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android::sp<android::net::wifi::nl80211::IClientInterface> network_interface);
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void BroadcastApInterfaceReady(
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android::sp<android::net::wifi::nl80211::IApInterface> network_interface);
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void BroadcastClientInterfaceTornDown(
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android::sp<android::net::wifi::nl80211::IClientInterface> network_interface);
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void BroadcastApInterfaceTornDown(
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android::sp<android::net::wifi::nl80211::IApInterface> network_interface);
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void BroadcastRegDomainChanged(std::string country_code);
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void MarkDownAllInterfaces();
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int FindWiphyIndex(const std::string& iface_name);
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bool GetBandInfo(int wiphy_index, BandInfo* band_info);
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int GetWiphyIndexFromBand(int band);
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void UpdateBandWiphyIndexMap(int wiphy_index);
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void EraseBandWiphyIndexMap(int wiphy_index);
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bool hasNoIfaceForWiphyIndex(int wiphy_index);
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const std::unique_ptr<wifi_system::InterfaceTool> if_tool_;
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NetlinkUtils* const netlink_utils_;
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ScanUtils* const scan_utils_;
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// Chips serves mutually exclusive bands.
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std::map<uint32_t, uint32_t> band_to_wiphy_index_map_;
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std::map<std::string, uint32_t> iface_to_wiphy_index_map_;
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std::map<std::string, std::unique_ptr<ApInterfaceImpl>> ap_interfaces_;
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std::map<std::string, std::unique_ptr<ClientInterfaceImpl>> client_interfaces_;
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std::vector<android::sp<android::net::wifi::nl80211::IInterfaceEventCallback>>
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interface_event_callbacks_;
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std::vector<android::sp<android::net::wifi::nl80211::IWificondEventCallback>>
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wificond_event_callbacks_;
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// Cached interface list from kernel for dumping.
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std::vector<InterfaceInfo> debug_interfaces_;
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DISALLOW_COPY_AND_ASSIGN(Server);
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};
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} // namespace wificond
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} // namespace android
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#endif // WIFICOND_SERVER_H_
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