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85 lines
3.2 KiB
85 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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