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/*
* Copyright (C) 2016 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 "android/net/wifi/nl80211/IWifiScannerImpl.h"
#include "wificond/scanning/single_scan_settings.h"
#include <android-base/logging.h>
#include "wificond/parcelable_utils.h"
using android::net::wifi::nl80211::IWifiScannerImpl;
using android::status_t;
namespace android {
namespace net {
namespace wifi {
namespace nl80211 {
bool SingleScanSettings::isValidScanType() const {
return (scan_type_ == IWifiScannerImpl::SCAN_TYPE_LOW_SPAN ||
scan_type_ == IWifiScannerImpl::SCAN_TYPE_LOW_POWER ||
scan_type_ == IWifiScannerImpl::SCAN_TYPE_HIGH_ACCURACY);
}
status_t SingleScanSettings::writeToParcel(::android::Parcel* parcel) const {
if (!isValidScanType()) {
LOG(ERROR) << "Unexpected scan type: " << scan_type_;
return ::android::BAD_VALUE;
}
RETURN_IF_FAILED(parcel->writeInt32(scan_type_));
RETURN_IF_FAILED(parcel->writeBool(enable_6ghz_rnr_));
RETURN_IF_FAILED(parcel->writeInt32(channel_settings_.size()));
for (const auto& channel : channel_settings_) {
// For Java readTypedList():
// A leading number 1 means this object is not null.
RETURN_IF_FAILED(parcel->writeInt32(1));
RETURN_IF_FAILED(channel.writeToParcel(parcel));
}
RETURN_IF_FAILED(parcel->writeInt32(hidden_networks_.size()));
for (const auto& network : hidden_networks_) {
// For Java readTypedList():
// A leading number 1 means this object is not null.
RETURN_IF_FAILED(parcel->writeInt32(1));
RETURN_IF_FAILED(network.writeToParcel(parcel));
}
return ::android::OK;
}
status_t SingleScanSettings::readFromParcel(const ::android::Parcel* parcel) {
RETURN_IF_FAILED(parcel->readInt32(&scan_type_));
if (!isValidScanType()) {
LOG(ERROR) << "Unexpected scan type: " << scan_type_;
return ::android::BAD_VALUE;
}
RETURN_IF_FAILED(parcel->readBool(&enable_6ghz_rnr_));
int32_t num_channels = 0;
RETURN_IF_FAILED(parcel->readInt32(&num_channels));
// Convention used by Java side writeTypedList():
// -1 means a null list.
// 0 means an empty list.
// Both are mapped to an empty vector in C++ code.
for (int i = 0; i < num_channels; i++) {
ChannelSettings channel;
// From Java writeTypedList():
// A leading number 1 means this object is not null.
// We never expect a 0 or other values here.
int32_t leading_number = 0;
RETURN_IF_FAILED(parcel->readInt32(&leading_number));
if (leading_number != 1) {
LOG(ERROR) << "Unexpected leading number before an object: "
<< leading_number;
return ::android::BAD_VALUE;
}
RETURN_IF_FAILED(channel.readFromParcel(parcel));
channel_settings_.push_back(channel);
}
int32_t num_hidden_networks = 0;
RETURN_IF_FAILED(parcel->readInt32(&num_hidden_networks));
// Convention used by Java side writeTypedList():
// -1 means a null list.
// 0 means an empty list.
// Both are mapped to an empty vector in C++ code.
for (int i = 0; i < num_hidden_networks; i++) {
HiddenNetwork network;
// From Java writeTypedList():
// A leading number 1 means this object is not null.
// We never expect a 0 or other values here.
int32_t leading_number = 0;
RETURN_IF_FAILED(parcel->readInt32(&leading_number));
if (leading_number != 1) {
LOG(ERROR) << "Unexpected leading number before an object: "
<< leading_number;
return ::android::BAD_VALUE;
}
RETURN_IF_FAILED(network.readFromParcel(parcel));
hidden_networks_.push_back(network);
}
return ::android::OK;
}
} // namespace nl80211
} // namespace wifi
} // namespace net
} // namespace android
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