1/*
2 * Copyright (C) 2016 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.server.wifi.wificond;
18
19import android.net.wifi.IWifiScannerImpl;
20import android.os.Parcel;
21import android.os.Parcelable;
22import android.util.Log;
23
24import java.util.ArrayList;
25import java.util.Objects;
26
27/**
28 * SingleScanSettings for wificond
29 *
30 * @hide
31 */
32public class SingleScanSettings implements Parcelable {
33    private static final String TAG = "SingleScanSettings";
34
35    public int scanType;
36    public ArrayList<ChannelSettings> channelSettings;
37    public ArrayList<HiddenNetwork> hiddenNetworks;
38
39    /** public constructor */
40    public SingleScanSettings() { }
41
42    /** override comparator */
43    @Override
44    public boolean equals(Object rhs) {
45        if (this == rhs) return true;
46        if (!(rhs instanceof SingleScanSettings)) {
47            return false;
48        }
49        SingleScanSettings settings = (SingleScanSettings) rhs;
50        if (settings == null) {
51            return false;
52        }
53        return scanType == settings.scanType
54                && channelSettings.equals(settings.channelSettings)
55                && hiddenNetworks.equals(settings.hiddenNetworks);
56    }
57
58    /** override hash code */
59    @Override
60    public int hashCode() {
61        return Objects.hash(scanType, channelSettings, hiddenNetworks);
62    }
63
64
65    /** implement Parcelable interface */
66    @Override
67    public int describeContents() {
68        return 0;
69    }
70
71    private static boolean isValidScanType(int scanType) {
72        return scanType == IWifiScannerImpl.SCAN_TYPE_LOW_SPAN
73                || scanType == IWifiScannerImpl.SCAN_TYPE_LOW_POWER
74                || scanType == IWifiScannerImpl.SCAN_TYPE_HIGH_ACCURACY;
75    }
76
77    /**
78     * implement Parcelable interface
79     * |flags| is ignored.
80     */
81    @Override
82    public void writeToParcel(Parcel out, int flags) {
83        if (!isValidScanType(scanType)) {
84            Log.wtf(TAG, "Invalid scan type " + scanType);
85        }
86        out.writeInt(scanType);
87        out.writeTypedList(channelSettings);
88        out.writeTypedList(hiddenNetworks);
89    }
90
91    /** implement Parcelable interface */
92    public static final Parcelable.Creator<SingleScanSettings> CREATOR =
93            new Parcelable.Creator<SingleScanSettings>() {
94        /**
95         * Caller is responsible for providing a valid parcel.
96         */
97        @Override
98        public SingleScanSettings createFromParcel(Parcel in) {
99            SingleScanSettings result = new SingleScanSettings();
100            result.scanType = in.readInt();
101            if (!isValidScanType(result.scanType)) {
102                Log.wtf(TAG, "Invalid scan type " + result.scanType);
103            }
104            result.channelSettings = new ArrayList<ChannelSettings>();
105            in.readTypedList(result.channelSettings, ChannelSettings.CREATOR);
106            result.hiddenNetworks = new ArrayList<HiddenNetwork>();
107            in.readTypedList(result.hiddenNetworks, HiddenNetwork.CREATOR);
108            if (in.dataAvail() != 0) {
109                Log.e(TAG, "Found trailing data after parcel parsing.");
110            }
111            return result;
112        }
113
114        @Override
115        public SingleScanSettings[] newArray(int size) {
116            return new SingleScanSettings[size];
117        }
118    };
119}
120