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/*
* 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_SERVER_H_
#define WIFICOND_SERVER_H_
#include <memory>
#include <string>
#include <vector>
#include <android-base/macros.h>
#include <wifi_system/interface_tool.h>
#include "android/net/wifi/BnWificond.h"
#include "android/net/wifi/IApInterface.h"
#include "android/net/wifi/IClientInterface.h"
#include "android/net/wifi/IInterfaceEventCallback.h"
#include "wificond/ap_interface_impl.h"
#include "wificond/client_interface_impl.h"
namespace android {
namespace wificond {
class NL80211Packet;
class NetlinkUtils;
class ScanUtils;
struct InterfaceInfo;
class Server : public android::net::wifi::BnWificond {
public:
Server(std::unique_ptr<wifi_system::InterfaceTool> if_tool,
std::unique_ptr<wifi_system::SupplicantManager> supplicant_man,
std::unique_ptr<wifi_system::HostapdManager> hostapd_man,
NetlinkUtils* netlink_utils,
ScanUtils* scan_utils);
~Server() override = default;
android::binder::Status RegisterCallback(
const android::sp<android::net::wifi::IInterfaceEventCallback>&
callback) override;
android::binder::Status UnregisterCallback(
const android::sp<android::net::wifi::IInterfaceEventCallback>&
callback) override;
android::binder::Status createApInterface(
android::sp<android::net::wifi::IApInterface>*
created_interface) override;
android::binder::Status createClientInterface(
android::sp<android::net::wifi::IClientInterface>*
created_interface) override;
android::binder::Status tearDownInterfaces() override;
android::binder::Status GetClientInterfaces(
std::vector<android::sp<android::IBinder>>* out_client_ifs) override;
android::binder::Status GetApInterfaces(
std::vector<android::sp<android::IBinder>>* out_ap_ifs) override;
status_t dump(int fd, const Vector<String16>& args) override;
// Call this once on startup. It ignores all the invariants held
// in wificond and tries to restore ourselves to a blank state by
// killing userspace daemons and cleaning up the interface state.
void CleanUpSystemState();
private:
// Request interface information from kernel and setup local interface object.
// This assumes that interface should be in STATION mode. Even if we setup
// interface on behalf of createApInterace(), it is Hostapd that configure
// the interface to Ap mode later.
// Returns true on success, false otherwise.
bool SetupInterface(InterfaceInfo* interface);
bool RefreshWiphyIndex();
void LogSupportedBands();
void OnRegDomainChanged(std::string& country_code);
void BroadcastClientInterfaceReady(
android::sp<android::net::wifi::IClientInterface> network_interface);
void BroadcastApInterfaceReady(
android::sp<android::net::wifi::IApInterface> network_interface);
void BroadcastClientInterfaceTornDown(
android::sp<android::net::wifi::IClientInterface> network_interface);
void BroadcastApInterfaceTornDown(
android::sp<android::net::wifi::IApInterface> network_interface);
void MarkDownAllInterfaces();
const std::unique_ptr<wifi_system::InterfaceTool> if_tool_;
const std::unique_ptr<wifi_system::SupplicantManager> supplicant_manager_;
const std::unique_ptr<wifi_system::HostapdManager> hostapd_manager_;
NetlinkUtils* const netlink_utils_;
ScanUtils* const scan_utils_;
uint32_t wiphy_index_;
std::vector<std::unique_ptr<ApInterfaceImpl>> ap_interfaces_;
std::vector<std::unique_ptr<ClientInterfaceImpl>> client_interfaces_;
std::vector<android::sp<android::net::wifi::IInterfaceEventCallback>>
interface_event_callbacks_;
// Cached interface list from kernel.
std::vector<InterfaceInfo> interfaces_;
DISALLOW_COPY_AND_ASSIGN(Server);
};
} // namespace wificond
} // namespace android
#endif // WIFICOND_SERVER_H_
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