| /* |
| * 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/IWifiScannerImpl.h" |
| #include "wificond/scanning/single_scan_settings.h" |
| |
| #include <android-base/logging.h> |
| |
| #include "wificond/parcelable_utils.h" |
| |
| using android::net::wifi::IWifiScannerImpl; |
| using android::status_t; |
| |
| namespace com { |
| namespace android { |
| namespace server { |
| namespace wifi { |
| namespace wificond { |
| 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->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; |
| } |
| 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 wificond |
| } // namespace wifi |
| } // namespace server |
| } // namespace android |
| } // namespace com |