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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 #include "wificond/ap_interface_binder.h"
     18 
     19 #include <android-base/logging.h>
     20 #include <wifi_system/hostapd_manager.h>
     21 
     22 #include "wificond/ap_interface_impl.h"
     23 
     24 using android::wifi_system::HostapdManager;
     25 
     26 namespace android {
     27 namespace wificond {
     28 
     29 ApInterfaceBinder::ApInterfaceBinder(ApInterfaceImpl* impl) : impl_{impl} {
     30 }
     31 
     32 ApInterfaceBinder::~ApInterfaceBinder() {
     33 }
     34 
     35 binder::Status ApInterfaceBinder::startHostapd(bool* out_success) {
     36   *out_success = false;
     37   if (!impl_) {
     38     LOG(WARNING) << "Cannot start hostapd on dead ApInterface.";
     39     return binder::Status::ok();
     40   }
     41   *out_success = impl_->StartHostapd();
     42   return binder::Status::ok();
     43 }
     44 
     45 binder::Status ApInterfaceBinder::stopHostapd(bool* out_success) {
     46   *out_success = false;
     47   if (!impl_) {
     48     LOG(WARNING) << "Cannot stop hostapd on dead ApInterface.";
     49     return binder::Status::ok();
     50   }
     51   *out_success = impl_->StopHostapd();
     52   return binder::Status::ok();
     53 }
     54 
     55 binder::Status ApInterfaceBinder::writeHostapdConfig(
     56     const std::vector<uint8_t>& ssid,
     57     bool is_hidden,
     58     int32_t channel,
     59     int32_t binder_encryption_type,
     60     const std::vector<uint8_t>& passphrase,
     61     bool* out_success) {
     62   *out_success = false;
     63   if (!impl_) {
     64     LOG(WARNING) << "Cannot set config on dead ApInterface.";
     65     return binder::Status::ok();
     66   }
     67 
     68   HostapdManager::EncryptionType encryption_type;
     69   switch (binder_encryption_type) {
     70     case IApInterface::ENCRYPTION_TYPE_NONE:
     71       encryption_type = HostapdManager::EncryptionType::kOpen;
     72       break;
     73     case IApInterface::ENCRYPTION_TYPE_WPA:
     74       encryption_type = HostapdManager::EncryptionType::kWpa;
     75       break;
     76     case IApInterface::ENCRYPTION_TYPE_WPA2:
     77       encryption_type = HostapdManager::EncryptionType::kWpa2;
     78       break;
     79     default:
     80       LOG(ERROR) << "Unknown encryption type: " << binder_encryption_type;
     81       return binder::Status::ok();
     82   }
     83 
     84   *out_success = impl_->WriteHostapdConfig(
     85       ssid, is_hidden, channel, encryption_type, passphrase);
     86 
     87   return binder::Status::ok();
     88 }
     89 
     90 binder::Status ApInterfaceBinder::getInterfaceName(std::string* out_name) {
     91   if (!impl_) {
     92     LOG(WARNING) << "Cannot get interface name from dead ApInterface";
     93     return binder::Status::ok();
     94   }
     95   *out_name = impl_->GetInterfaceName();
     96   return binder::Status::ok();
     97 }
     98 
     99 binder::Status ApInterfaceBinder::getNumberOfAssociatedStations(
    100     int* out_num_of_stations) {
    101   if (!impl_) {
    102     LOG(WARNING) << "Cannot get number of associated stations "
    103                  << "from dead ApInterface";
    104     *out_num_of_stations = -1;
    105     return binder::Status::ok();
    106   }
    107   *out_num_of_stations = impl_->GetNumberOfAssociatedStations();
    108   return binder::Status::ok();
    109 }
    110 
    111 }  // namespace wificond
    112 }  // namespace android
    113