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84 lines
3.2 KiB
84 lines
3.2 KiB
/* |
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* Copyright (C) 2017 The Android Open Source Project |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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#include <algorithm> |
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#include "chre/apps/wifi_offload/chre_scan_params_safe.h" |
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#include "chre/apps/wifi_offload/utility.h" |
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namespace wifi_offload { |
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ChreScanParamsSafe::ChreScanParamsSafe(const ScanParams &scan_params) { |
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// point chre_scan_params_ pointers to allocated buffers |
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chre_scan_params_.frequencyList = chre_scan_params_frequencies_; |
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chre_scan_params_.ssidList = chre_scan_params_ssids_; |
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UpdateFromScanParams(scan_params); |
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} |
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const chreWifiScanParams *ChreScanParamsSafe::GetChreWifiScanParams() { |
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return &chre_scan_params_; |
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} |
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void ChreScanParamsSafe::Log() const { |
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LOGI("chreWifiScanParams:"); |
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LOGI(" scan type: %" PRIu8, chre_scan_params_.scanType); |
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LOGI(" max scan age (ms): %" PRIu32, chre_scan_params_.maxScanAgeMs); |
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LOGI(" frequency list length: %" PRIu16, chre_scan_params_.frequencyListLen); |
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for (size_t i = 0; i < chre_scan_params_.frequencyListLen; i++) { |
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LOGI(" frequency: %" PRIu32, chre_scan_params_.frequencyList[i]); |
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} |
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LOGI(" ssid list length: %" PRIu8, chre_scan_params_.ssidListLen); |
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for (size_t i = 0; i < chre_scan_params_.ssidListLen; i++) { |
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utility::LogSsid(chre_scan_params_.ssidList[i].ssid, |
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chre_scan_params_.ssidList[i].ssidLen); |
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} |
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} |
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void ChreScanParamsSafe::UpdateFromScanParams(const ScanParams &scan_params) { |
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chre_scan_params_.scanType = CHRE_WIFI_SCAN_TYPE_ACTIVE_PLUS_PASSIVE_DFS; |
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chre_scan_params_.maxScanAgeMs = 0; |
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chre_scan_params_.frequencyListLen = std::min( |
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static_cast<uint16_t>(scan_params.frequencies_to_scan_mhz_.size()), |
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static_cast<uint16_t>(CHRE_WIFI_FREQUENCY_LIST_MAX_LEN)); |
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if (chre_scan_params_.frequencyListLen < |
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scan_params.frequencies_to_scan_mhz_.size()) { |
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LOGW("Too many ScanParams frequencies %zu truncated to max %" PRIu16, |
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scan_params.frequencies_to_scan_mhz_.size(), |
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chre_scan_params_.frequencyListLen); |
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} |
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std::copy(scan_params.frequencies_to_scan_mhz_.begin(), |
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scan_params.frequencies_to_scan_mhz_.begin() + |
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chre_scan_params_.frequencyListLen, |
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chre_scan_params_frequencies_); |
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chre_scan_params_.ssidListLen = |
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std::min(static_cast<uint8_t>(scan_params.ssids_to_scan_.size()), |
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static_cast<uint8_t>(CHRE_WIFI_SSID_LIST_MAX_LEN)); |
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if (chre_scan_params_.ssidListLen < scan_params.ssids_to_scan_.size()) { |
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LOGW("Too many ScanParams ssids %zu truncated to max %" PRIu8, |
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scan_params.ssids_to_scan_.size(), chre_scan_params_.ssidListLen); |
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} |
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for (size_t i = 0; i < chre_scan_params_.ssidListLen; i++) { |
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scan_params.ssids_to_scan_[i].ToChreWifiSsidListItem( |
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&chre_scan_params_ssids_[i]); |
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} |
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} |
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} // namespace wifi_offload
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