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/*
* Copyright (C) 2020 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "wifi_scan_result.h"
#include <chre.h>
#include "chre/util/nanoapp/log.h"
#include <stdio.h>
#include <cstring>
#define LOG_TAG "ChreCrossValidatorWifi"
WifiScanResult::WifiScanResult(pb_istream_t *apWifiScanResultStream) {
memset(mSsid, 0, CHRE_WIFI_SSID_MAX_LEN);
chre_cross_validation_wifi_WifiScanResult wifiScanResultProto =
chre_cross_validation_wifi_WifiScanResult_init_default;
wifiScanResultProto.ssid = {.funcs = {.decode = decodeString}, .arg = mSsid};
wifiScanResultProto.bssid = {.funcs = {.decode = decodeString},
.arg = mBssid};
if (!pb_decode(apWifiScanResultStream,
chre_cross_validation_wifi_WifiScanResult_fields,
&wifiScanResultProto)) {
LOGE("AP wifi scan result proto message decode failed");
}
mTotalNumResults = wifiScanResultProto.totalNumResults;
mResultIndex = wifiScanResultProto.resultIndex;
}
WifiScanResult::WifiScanResult(const chreWifiScanResult &chreScanResult) {
memset(mSsid, 0, CHRE_WIFI_SSID_MAX_LEN);
memcpy(mSsid, chreScanResult.ssid, chreScanResult.ssidLen);
memcpy(mBssid, chreScanResult.bssid, CHRE_WIFI_BSSID_LEN);
}
bool WifiScanResult::areEqual(const WifiScanResult &result1,
const WifiScanResult &result2) {
// TODO(b/184653034): Compare all fields that are shared between AP and CHRE
// scan result.
return strcmp(result1.mSsid, result2.mSsid) == 0 &&
bssidsAreEqual(result1, result2);
}
bool WifiScanResult::bssidsAreEqual(const WifiScanResult &result1,
const WifiScanResult &result2) {
return memcmp(result1.mBssid, result2.mBssid, CHRE_WIFI_BSSID_LEN) == 0;
}
bool WifiScanResult::decodeString(pb_istream_t *stream,
const pb_field_t * /*field*/, void **arg) {
pb_byte_t *strPtr = reinterpret_cast<pb_byte_t *>(*arg);
return pb_read(stream, strPtr, stream->bytes_left);
}
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