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      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 WIFI_AP_IFACE_H_
     18 #define WIFI_AP_IFACE_H_
     19 
     20 #include <android-base/macros.h>
     21 #include <android/hardware/wifi/1.0/IWifiApIface.h>
     22 
     23 #include "wifi_legacy_hal.h"
     24 
     25 namespace android {
     26 namespace hardware {
     27 namespace wifi {
     28 namespace V1_0 {
     29 namespace implementation {
     30 
     31 /**
     32  * HIDL interface object used to control a AP Iface instance.
     33  */
     34 class WifiApIface : public IWifiApIface {
     35  public:
     36   WifiApIface(const std::string& ifname,
     37               const std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal);
     38   // Refer to |WifiChip::invalidate()|.
     39   void invalidate();
     40   bool isValid();
     41 
     42   // HIDL methods exposed.
     43   Return<void> getName(getName_cb hidl_status_cb) override;
     44   Return<void> getType(getType_cb hidl_status_cb) override;
     45   Return<void> setCountryCode(const hidl_array<int8_t, 2>& code,
     46                               setCountryCode_cb hidl_status_cb) override;
     47   Return<void> getValidFrequenciesForBand(
     48       WifiBand band, getValidFrequenciesForBand_cb hidl_status_cb) override;
     49 
     50  private:
     51   // Corresponding worker functions for the HIDL methods.
     52   std::pair<WifiStatus, std::string> getNameInternal();
     53   std::pair<WifiStatus, IfaceType> getTypeInternal();
     54   WifiStatus setCountryCodeInternal(const std::array<int8_t, 2>& code);
     55   std::pair<WifiStatus, std::vector<WifiChannelInMhz>>
     56   getValidFrequenciesForBandInternal(WifiBand band);
     57 
     58   std::string ifname_;
     59   std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal_;
     60   bool is_valid_;
     61 
     62   DISALLOW_COPY_AND_ASSIGN(WifiApIface);
     63 };
     64 
     65 }  // namespace implementation
     66 }  // namespace V1_0
     67 }  // namespace wifi
     68 }  // namespace hardware
     69 }  // namespace android
     70 
     71 #endif  // WIFI_AP_IFACE_H_
     72