1 /* 2 * Copyright (C) 2017 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 17 package com.android.settingslib.wifi; 18 19 import android.content.Context; 20 import android.net.ConnectivityManager; 21 import android.net.NetworkInfo; 22 import android.net.wifi.ScanResult; 23 import android.net.wifi.WifiConfiguration; 24 import android.net.wifi.WifiInfo; 25 import android.os.Bundle; 26 import android.support.annotation.Keep; 27 28 import com.android.settingslib.wifi.AccessPoint.Speed; 29 30 import java.util.ArrayList; 31 32 /** 33 * Build and return a valid AccessPoint. 34 * 35 * Only intended for testing the AccessPoint class or creating Access points to be used in testing 36 * applications. AccessPoints were designed to only be populated by the mechanisms of scan results 37 * and wifi configurations. 38 */ 39 @Keep 40 public class TestAccessPointBuilder { 41 // match the private values in WifiManager 42 private static final int MIN_RSSI = -100; 43 private static final int MAX_RSSI = -55; 44 45 // set some sensible defaults 46 private String mBssid = null; 47 private int mSpeed = Speed.NONE; 48 private int mRssi = AccessPoint.UNREACHABLE_RSSI; 49 private int mNetworkId = WifiConfiguration.INVALID_NETWORK_ID; 50 private String ssid = "TestSsid"; 51 private NetworkInfo mNetworkInfo = null; 52 private String mFqdn = null; 53 private String mProviderFriendlyName = null; 54 private int mSecurity = AccessPoint.SECURITY_NONE; 55 private WifiConfiguration mWifiConfig; 56 private WifiInfo mWifiInfo; 57 private boolean mIsCarrierAp = false; 58 private String mCarrierName = null; 59 60 Context mContext; 61 private ArrayList<ScanResult> mScanResultCache; 62 private ArrayList<TimestampedScoredNetwork> mScoredNetworkCache; 63 64 @Keep 65 public TestAccessPointBuilder(Context context) { 66 mContext = context; 67 } 68 69 @Keep 70 public AccessPoint build() { 71 Bundle bundle = new Bundle(); 72 73 WifiConfiguration wifiConfig = new WifiConfiguration(); 74 wifiConfig.networkId = mNetworkId; 75 wifiConfig.BSSID = mBssid; 76 77 bundle.putString(AccessPoint.KEY_SSID, ssid); 78 bundle.putParcelable(AccessPoint.KEY_CONFIG, wifiConfig); 79 bundle.putParcelable(AccessPoint.KEY_NETWORKINFO, mNetworkInfo); 80 bundle.putParcelable(AccessPoint.KEY_WIFIINFO, mWifiInfo); 81 if (mFqdn != null) { 82 bundle.putString(AccessPoint.KEY_FQDN, mFqdn); 83 } 84 if (mProviderFriendlyName != null) { 85 bundle.putString(AccessPoint.KEY_PROVIDER_FRIENDLY_NAME, mProviderFriendlyName); 86 } 87 if (mScanResultCache != null) { 88 bundle.putParcelableArrayList(AccessPoint.KEY_SCANRESULTCACHE, mScanResultCache); 89 } 90 if (mScoredNetworkCache != null) { 91 bundle.putParcelableArrayList(AccessPoint.KEY_SCOREDNETWORKCACHE, mScoredNetworkCache); 92 } 93 bundle.putInt(AccessPoint.KEY_SECURITY, mSecurity); 94 bundle.putInt(AccessPoint.KEY_SPEED, mSpeed); 95 bundle.putBoolean(AccessPoint.KEY_IS_CARRIER_AP, mIsCarrierAp); 96 if (mCarrierName != null) { 97 bundle.putString(AccessPoint.KEY_CARRIER_NAME, mCarrierName); 98 } 99 100 AccessPoint ap = new AccessPoint(mContext, bundle); 101 ap.setRssi(mRssi); 102 return ap; 103 } 104 105 @Keep 106 public TestAccessPointBuilder setActive(boolean active) { 107 if (active) { 108 mNetworkInfo = new NetworkInfo( 109 ConnectivityManager.TYPE_DUMMY, 110 ConnectivityManager.TYPE_DUMMY, 111 "TestNetwork", 112 "TestNetwork"); 113 } else { 114 mNetworkInfo = null; 115 } 116 return this; 117 } 118 119 /** 120 * Set the rssi based upon the desired signal level. 121 * 122 * <p>Side effect: if this AccessPoint was previously unreachable, 123 * setting the level will also make it reachable. 124 */ 125 @Keep 126 public TestAccessPointBuilder setLevel(int level) { 127 // Reversal of WifiManager.calculateSignalLevels 128 if (level == 0) { 129 mRssi = MIN_RSSI; 130 } else if (level >= AccessPoint.SIGNAL_LEVELS) { 131 mRssi = MAX_RSSI; 132 } else { 133 float inputRange = MAX_RSSI - MIN_RSSI; 134 float outputRange = AccessPoint.SIGNAL_LEVELS - 1; 135 mRssi = (int) (level * inputRange / outputRange + MIN_RSSI); 136 } 137 return this; 138 } 139 140 @Keep 141 public TestAccessPointBuilder setNetworkInfo(NetworkInfo info) { 142 mNetworkInfo = info; 143 return this; 144 } 145 146 @Keep 147 public TestAccessPointBuilder setRssi(int rssi) { 148 mRssi = rssi; 149 return this; 150 } 151 152 public TestAccessPointBuilder setSpeed(int speed) { 153 mSpeed = speed; 154 return this; 155 } 156 157 /** 158 * Set whether the AccessPoint is reachable. 159 * Side effect: if the signal level was not previously set, 160 * making an AccessPoint reachable will set the signal to the minimum level. 161 */ 162 @Keep 163 public TestAccessPointBuilder setReachable(boolean reachable) { 164 if (reachable) { 165 // only override the mRssi if it hasn't been set yet 166 if (mRssi == AccessPoint.UNREACHABLE_RSSI) { 167 mRssi = MIN_RSSI; 168 } 169 } else { 170 mRssi = AccessPoint.UNREACHABLE_RSSI; 171 } 172 return this; 173 } 174 175 @Keep 176 public TestAccessPointBuilder setSaved(boolean saved){ 177 if (saved) { 178 mNetworkId = 1; 179 } else { 180 mNetworkId = WifiConfiguration.INVALID_NETWORK_ID; 181 } 182 return this; 183 } 184 185 @Keep 186 public TestAccessPointBuilder setSecurity(int security) { 187 mSecurity = security; 188 return this; 189 } 190 191 @Keep 192 public TestAccessPointBuilder setSsid(String newSsid) { 193 ssid = newSsid; 194 return this; 195 } 196 197 @Keep 198 public TestAccessPointBuilder setFqdn(String fqdn) { 199 mFqdn = fqdn; 200 return this; 201 } 202 203 @Keep 204 public TestAccessPointBuilder setProviderFriendlyName(String friendlyName) { 205 mProviderFriendlyName = friendlyName; 206 return this; 207 } 208 209 @Keep 210 public TestAccessPointBuilder setWifiInfo(WifiInfo info) { 211 mWifiInfo = info; 212 return this; 213 } 214 215 /** 216 * Set the networkId in the WifiConfig. 217 * 218 * <p>Setting this to a value other than {@link WifiConfiguration#INVALID_NETWORK_ID} makes this 219 * AccessPoint a saved network. 220 */ 221 @Keep 222 public TestAccessPointBuilder setNetworkId(int networkId) { 223 mNetworkId = networkId; 224 return this; 225 } 226 227 public TestAccessPointBuilder setBssid(String bssid) { 228 mBssid = bssid; 229 return this; 230 } 231 232 public TestAccessPointBuilder setScanResultCache(ArrayList<ScanResult> scanResultCache) { 233 mScanResultCache = scanResultCache; 234 return this; 235 } 236 237 public TestAccessPointBuilder setIsCarrierAp(boolean isCarrierAp) { 238 mIsCarrierAp = isCarrierAp; 239 return this; 240 } 241 242 public TestAccessPointBuilder setCarrierName(String carrierName) { 243 mCarrierName = carrierName; 244 return this; 245 } 246 247 public TestAccessPointBuilder setScoredNetworkCache( 248 ArrayList<TimestampedScoredNetwork> scoredNetworkCache) { 249 mScoredNetworkCache = scoredNetworkCache; 250 return this; 251 } 252 } 253