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 #ifndef WIFICOND_SCANNER_IMPL_H_
18 #define WIFICOND_SCANNER_IMPL_H_
22 #include <android-base/macros.h>
23 #include <binder/Status.h>
25 #include "android/net/wifi/BnWifiScannerImpl.h"
26 #include "wificond/net/netlink_utils.h"
27 #include "wificond/scanning/offload/offload_scan_manager.h"
28 #include "wificond/scanning/scan_utils.h"
33 class ClientInterfaceImpl;
34 class OffloadServiceUtils;
36 class ScannerImpl : public android::net::wifi::BnWifiScannerImpl {
38 ScannerImpl(uint32_t wiphy_index,
39 uint32_t interface_index,
40 const ScanCapabilities& scan_capabilities,
41 const WiphyFeatures& wiphy_features,
42 ClientInterfaceImpl* client_interface,
43 NetlinkUtils* netlink_utils,
44 ScanUtils* scan_utils,
45 std::weak_ptr<OffloadServiceUtils> offload_service_utils);
47 // Returns a vector of available frequencies for 2.4GHz channels.
48 ::android::binder::Status getAvailable2gChannels(
49 ::std::unique_ptr<::std::vector<int32_t>>* out_frequencies) override;
50 // Returns a vector of available frequencies for 5GHz non-DFS channels.
51 ::android::binder::Status getAvailable5gNonDFSChannels(
52 ::std::unique_ptr<::std::vector<int32_t>>* out_frequencies) override;
53 // Returns a vector of available frequencies for DFS channels.
54 ::android::binder::Status getAvailableDFSChannels(
55 ::std::unique_ptr<::std::vector<int32_t>>* out_frequencies) override;
56 // Get the latest scan results from kernel.
57 ::android::binder::Status getScanResults(
58 std::vector<com::android::server::wifi::wificond::NativeScanResult>*
59 out_scan_results) override;
60 ::android::binder::Status scan(
61 const ::com::android::server::wifi::wificond::SingleScanSettings&
63 bool* out_success) override;
64 ::android::binder::Status startPnoScan(
65 const ::com::android::server::wifi::wificond::PnoSettings& pno_settings,
66 bool* out_success) override;
67 ::android::binder::Status stopPnoScan(bool* out_success) override;
68 ::android::binder::Status abortScan() override;
70 ::android::binder::Status subscribeScanEvents(
71 const ::android::sp<::android::net::wifi::IScanEvent>& handler) override;
72 ::android::binder::Status unsubscribeScanEvents() override;
73 ::android::binder::Status subscribePnoScanEvents(
74 const ::android::sp<::android::net::wifi::IPnoScanEvent>& handler) override;
75 ::android::binder::Status unsubscribePnoScanEvents() override;
80 void OnOffloadScanResult(
81 std::vector<::com::android::server::wifi::wificond::NativeScanResult>);
82 void OnScanResultsReady(
83 uint32_t interface_index,
85 std::vector<std::vector<uint8_t>>& ssids,
86 std::vector<uint32_t>& frequencies);
87 void OnSchedScanResultsReady(uint32_t interface_index, bool scan_stopped);
88 void LogSsidList(std::vector<std::vector<uint8_t>>& ssid_list,
90 bool StartPnoScanDefault(
91 const ::com::android::server::wifi::wificond::PnoSettings& pno_settings);
92 bool StartPnoScanOffload(
93 const ::com::android::server::wifi::wificond::PnoSettings& pno_settings);
94 bool StopPnoScanDefault();
95 bool StopPnoScanOffload();
96 void ParsePnoSettings(
97 const ::com::android::server::wifi::wificond::PnoSettings& pno_settings,
98 std::vector<std::vector<uint8_t>>* scan_ssids,
99 std::vector<std::vector<uint8_t>>* match_ssids,
100 std::vector<uint32_t>* freqs,
101 std::vector<uint8_t>* match_security);
102 SchedScanIntervalSetting GenerateIntervalSetting(
103 const ::com::android::server::wifi::wificond::PnoSettings& pno_settings) const;
105 // Boolean variables describing current scanner status.
108 bool pno_scan_started_;
109 bool offload_scan_supported_;
111 const uint32_t wiphy_index_;
112 const uint32_t interface_index_;
114 // Scanning relevant capability information for this wiphy/interface.
115 ScanCapabilities scan_capabilities_;
116 WiphyFeatures wiphy_features_;
118 ClientInterfaceImpl* client_interface_;
119 NetlinkUtils* const netlink_utils_;
120 ScanUtils* const scan_utils_;
121 ::android::sp<::android::net::wifi::IPnoScanEvent> pno_scan_event_handler_;
122 ::android::sp<::android::net::wifi::IScanEvent> scan_event_handler_;
123 std::unique_ptr<OffloadScanManager> offload_scan_manager_;
125 DISALLOW_COPY_AND_ASSIGN(ScannerImpl);
128 } // namespace wificond
129 } // namespace android
131 #endif // WIFICOND_SCANNER_IMPL_H_