2 * Copyright (C) 2016 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 #include "wificond/client_interface_impl.h"
21 #include <android-base/logging.h>
22 #include <wifi_system/supplicant_manager.h>
23 #include <wifi_system/wifi.h>
25 #include "wificond/client_interface_binder.h"
26 #include "wificond/net/netlink_utils.h"
27 #include "wificond/scanning/scan_result.h"
28 #include "wificond/scanning/scan_utils.h"
30 using android::net::wifi::IClientInterface;
32 using android::wifi_system::InterfaceTool;
33 using android::wifi_system::SupplicantManager;
35 using namespace std::placeholders;
37 using std::unique_ptr;
43 ClientInterfaceImpl::ClientInterfaceImpl(
44 const std::string& interface_name,
45 uint32_t interface_index,
46 const std::vector<uint8_t>& interface_mac_addr,
47 InterfaceTool* if_tool,
48 SupplicantManager* supplicant_manager,
49 NetlinkUtils* netlink_utils,
50 ScanUtils* scan_utils)
51 : interface_name_(interface_name),
52 interface_index_(interface_index),
53 interface_mac_addr_(interface_mac_addr),
55 supplicant_manager_(supplicant_manager),
56 netlink_utils_(netlink_utils),
57 scan_utils_(scan_utils),
58 binder_(new ClientInterfaceBinder(this)) {
59 scan_utils_->SubscribeScanResultNotification(
61 std::bind(&ClientInterfaceImpl::OnScanResultsReady,
66 ClientInterfaceImpl::~ClientInterfaceImpl() {
67 binder_->NotifyImplDead();
69 scan_utils_->UnsubscribeScanResultNotification(interface_index_);
70 if_tool_->SetUpState(interface_name_.c_str(), false);
73 sp<android::net::wifi::IClientInterface> ClientInterfaceImpl::GetBinder() const {
77 bool ClientInterfaceImpl::EnableSupplicant() {
78 return supplicant_manager_->StartSupplicant();
81 bool ClientInterfaceImpl::DisableSupplicant() {
82 return supplicant_manager_->StopSupplicant();
85 bool ClientInterfaceImpl::GetPacketCounters(vector<int32_t>* out_packet_counters) {
86 StationInfo station_info;
87 if (!netlink_utils_->GetStationInfo(interface_index_,
92 out_packet_counters->push_back(station_info.station_tx_packets);
93 out_packet_counters->push_back(station_info.station_tx_failed);
98 bool ClientInterfaceImpl::SignalPoll(vector<int32_t>* out_signal_poll_results) {
99 StationInfo station_info;
100 if (!netlink_utils_->GetStationInfo(interface_index_,
105 out_signal_poll_results->push_back(
106 static_cast<int32_t>(station_info.current_rssi));
107 // Convert from 100kbit/s to Mbps.
108 out_signal_poll_results->push_back(
109 static_cast<int32_t>(station_info.station_tx_bitrate/10));
114 const vector<uint8_t>& ClientInterfaceImpl::GetMacAddress() {
115 return interface_mac_addr_;
118 void ClientInterfaceImpl::OnScanResultsReady(
119 uint32_t interface_index,
121 std::vector<std::vector<uint8_t>>& ssids,
122 std::vector<uint32_t>& frequencies) {
124 LOG(ERROR) << "Scan aborted";
127 vector<ScanResult> scan_results;
128 // TODO(nywang): Find a way to differentiate scan results for
129 // internel/external scan request. This is useful when location is
130 // scanning using regular NL80211 commands.
131 scan_utils_->GetScanResult(interface_index, &scan_results);
132 // TODO(nywang): Send these scan results back to java framework.
135 } // namespace wificond
136 } // namespace android