Merge "Backup and restore IP and proxy settings" into honeycomb-mr1
diff --git a/packages/SettingsProvider/src/com/android/providers/settings/SettingsBackupAgent.java b/packages/SettingsProvider/src/com/android/providers/settings/SettingsBackupAgent.java
index fa63edb..744798e 100644
--- a/packages/SettingsProvider/src/com/android/providers/settings/SettingsBackupAgent.java
+++ b/packages/SettingsProvider/src/com/android/providers/settings/SettingsBackupAgent.java
@@ -27,6 +27,7 @@
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.FileWriter;
+import java.io.InputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Arrays;
@@ -58,15 +59,20 @@
private static final String KEY_SECURE = "secure";
private static final String KEY_LOCALE = "locale";
+ //Version 2 adds STATE_WIFI_CONFIG
+ private static final int STATE_VERSION_1 = 1;
+ private static final int STATE_VERSION_1_SIZE = 4;
+
// Versioning of the state file. Increment this version
// number any time the set of state items is altered.
- private static final int STATE_VERSION = 1;
+ private static final int STATE_VERSION = 2;
- private static final int STATE_SYSTEM = 0;
- private static final int STATE_SECURE = 1;
- private static final int STATE_LOCALE = 2;
- private static final int STATE_WIFI = 3;
- private static final int STATE_SIZE = 4; // The number of state items
+ private static final int STATE_SYSTEM = 0;
+ private static final int STATE_SECURE = 1;
+ private static final int STATE_LOCALE = 2;
+ private static final int STATE_WIFI_SUPPLICANT = 3;
+ private static final int STATE_WIFI_CONFIG = 4;
+ private static final int STATE_SIZE = 5; // The number of state items
private static String[] sortedSystemKeys = null;
private static String[] sortedSecureKeys = null;
@@ -91,12 +97,18 @@
// the key to store the WIFI data under, should be sorted as last, so restore happens last.
// use very late unicode character to quasi-guarantee last sort position.
private static final String KEY_WIFI_SUPPLICANT = "\uffedWIFI";
+ private static final String KEY_WIFI_CONFIG = "\uffedCONFIG_WIFI";
private SettingsHelper mSettingsHelper;
+ private WifiManager mWfm;
+ private static String mWifiConfigFile;
public void onCreate() {
mSettingsHelper = new SettingsHelper(this);
super.onCreate();
+
+ WifiManager mWfm = (WifiManager) getSystemService(Context.WIFI_SERVICE);
+ if (mWfm != null) mWifiConfigFile = mWfm.getConfigFile();
}
@Override
@@ -106,7 +118,8 @@
byte[] systemSettingsData = getSystemSettings();
byte[] secureSettingsData = getSecureSettings();
byte[] locale = mSettingsHelper.getLocaleData();
- byte[] wifiData = getWifiSupplicant(FILE_WIFI_SUPPLICANT);
+ byte[] wifiSupplicantData = getWifiSupplicant(FILE_WIFI_SUPPLICANT);
+ byte[] wifiConfigData = getFileData(mWifiConfigFile);
long[] stateChecksums = readOldChecksums(oldState);
@@ -116,8 +129,12 @@
writeIfChanged(stateChecksums[STATE_SECURE], KEY_SECURE, secureSettingsData, data);
stateChecksums[STATE_LOCALE] =
writeIfChanged(stateChecksums[STATE_LOCALE], KEY_LOCALE, locale, data);
- stateChecksums[STATE_WIFI] =
- writeIfChanged(stateChecksums[STATE_WIFI], KEY_WIFI_SUPPLICANT, wifiData, data);
+ stateChecksums[STATE_WIFI_SUPPLICANT] =
+ writeIfChanged(stateChecksums[STATE_WIFI_SUPPLICANT], KEY_WIFI_SUPPLICANT,
+ wifiSupplicantData, data);
+ stateChecksums[STATE_WIFI_CONFIG] =
+ writeIfChanged(stateChecksums[STATE_WIFI_CONFIG], KEY_WIFI_CONFIG, wifiConfigData,
+ data);
writeNewChecksums(stateChecksums, newState);
}
@@ -148,7 +165,9 @@
byte[] localeData = new byte[size];
data.readEntityData(localeData, 0, size);
mSettingsHelper.setLocaleData(localeData);
- } else {
+ } else if (KEY_WIFI_CONFIG.equals(key)) {
+ restoreFileData(mWifiConfigFile, data);
+ } else {
data.skipEntityData();
}
}
@@ -162,7 +181,11 @@
try {
int stateVersion = dataInput.readInt();
- if (stateVersion == STATE_VERSION) {
+ if (stateVersion == STATE_VERSION_1) {
+ for (int i = 0; i < STATE_VERSION_1_SIZE; i++) {
+ stateChecksums[i] = dataInput.readLong();
+ }
+ } else if (stateVersion == STATE_VERSION) {
for (int i = 0; i < STATE_SIZE; i++) {
stateChecksums[i] = dataInput.readLong();
}
@@ -353,6 +376,60 @@
return result;
}
+ private byte[] getFileData(String filename) {
+ InputStream is = null;
+ try {
+ File file = new File(filename);
+ is = new FileInputStream(file);
+
+ //Will truncate read on a very long file,
+ //should not happen for a config file
+ byte[] bytes = new byte[(int)file.length()];
+
+ int offset = 0;
+ int numRead = 0;
+ while (offset < bytes.length
+ && (numRead=is.read(bytes, offset, bytes.length-offset)) >= 0) {
+ offset += numRead;
+ }
+
+ //read failure
+ if (offset < bytes.length) {
+ Log.w(TAG, "Couldn't backup " + filename);
+ return EMPTY_DATA;
+ }
+ return bytes;
+ } catch (IOException ioe) {
+ Log.w(TAG, "Couldn't backup " + filename);
+ return EMPTY_DATA;
+ } finally {
+ if (is != null) {
+ try {
+ is.close();
+ } catch (IOException e) {
+ }
+ }
+ }
+
+ }
+
+ private void restoreFileData(String filename, BackupDataInput data) {
+ byte[] bytes = new byte[data.getDataSize()];
+ if (bytes.length <= 0) return;
+ try {
+ data.readEntityData(bytes, 0, bytes.length);
+ File file = new File(filename);
+ if (file.exists()) file.delete();
+
+ OutputStream os = new BufferedOutputStream(new FileOutputStream(filename, true));
+ os.write(bytes);
+ os.close();
+ } catch (IOException ioe) {
+ Log.w(TAG, "Couldn't restore " + filename);
+ }
+ }
+
+
private byte[] getWifiSupplicant(String filename) {
BufferedReader br = null;
try {
@@ -455,10 +532,9 @@
}
private int enableWifi(boolean enable) {
- WifiManager wfm = (WifiManager) getSystemService(Context.WIFI_SERVICE);
- if (wfm != null) {
- int state = wfm.getWifiState();
- wfm.setWifiEnabled(enable);
+ if (mWfm != null) {
+ int state = mWfm.getWifiState();
+ mWfm.setWifiEnabled(enable);
return state;
}
return WifiManager.WIFI_STATE_UNKNOWN;
diff --git a/services/java/com/android/server/WifiService.java b/services/java/com/android/server/WifiService.java
index 3c6c427..0000237 100644
--- a/services/java/com/android/server/WifiService.java
+++ b/services/java/com/android/server/WifiService.java
@@ -29,12 +29,12 @@
import android.content.pm.PackageManager;
import android.database.ContentObserver;
import android.net.wifi.IWifiManager;
+import android.net.wifi.ScanResult;
+import android.net.wifi.SupplicantState;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.net.wifi.WifiStateMachine;
-import android.net.wifi.ScanResult;
import android.net.wifi.WifiConfiguration;
-import android.net.wifi.SupplicantState;
import android.net.wifi.WifiConfiguration.KeyMgmt;
import android.net.wifi.WpsConfiguration;
import android.net.wifi.WpsResult;
@@ -882,8 +882,6 @@
mWifiStateMachine.clearBlacklist();
}
-
-
/**
* Get a reference to handler. This is used by a client to establish
* an AsyncChannel communication with WifiService
@@ -898,6 +896,14 @@
return new Messenger(mAsyncServiceHandler);
}
+ /**
+ * Get the IP and proxy configuration file
+ */
+ public String getConfigFile() {
+ enforceAccessPermission();
+ return mWifiStateMachine.getConfigFile();
+ }
+
private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
diff --git a/wifi/java/android/net/wifi/IWifiManager.aidl b/wifi/java/android/net/wifi/IWifiManager.aidl
index 1d115b1..16a61db 100644
--- a/wifi/java/android/net/wifi/IWifiManager.aidl
+++ b/wifi/java/android/net/wifi/IWifiManager.aidl
@@ -104,5 +104,7 @@
void clearBlacklist();
Messenger getMessenger();
+
+ String getConfigFile();
}
diff --git a/wifi/java/android/net/wifi/WifiConfigStore.java b/wifi/java/android/net/wifi/WifiConfigStore.java
index e6decc88..6455d84 100644
--- a/wifi/java/android/net/wifi/WifiConfigStore.java
+++ b/wifi/java/android/net/wifi/WifiConfigStore.java
@@ -1347,4 +1347,8 @@
}
return sb.toString();
}
+
+ public static String getConfigFile() {
+ return ipConfigFile;
+ }
}
diff --git a/wifi/java/android/net/wifi/WifiManager.java b/wifi/java/android/net/wifi/WifiManager.java
index 5238899..2e49a77 100644
--- a/wifi/java/android/net/wifi/WifiManager.java
+++ b/wifi/java/android/net/wifi/WifiManager.java
@@ -1176,6 +1176,18 @@
}
/**
+ * Returns the file in which IP and proxy configuration data is stored
+ * @hide
+ */
+ public String getConfigFile() {
+ try {
+ return mService.getConfigFile();
+ } catch (RemoteException e) {
+ return null;
+ }
+ }
+
+ /**
* Allows an application to keep the Wi-Fi radio awake.
* Normally the Wi-Fi radio may turn off when the user has not used the device in a while.
* Acquiring a WifiLock will keep the radio on until the lock is released. Multiple
diff --git a/wifi/java/android/net/wifi/WifiStateMachine.java b/wifi/java/android/net/wifi/WifiStateMachine.java
index 717dcf0..4346b327 100644
--- a/wifi/java/android/net/wifi/WifiStateMachine.java
+++ b/wifi/java/android/net/wifi/WifiStateMachine.java
@@ -887,6 +887,13 @@
}
/**
+ * Returns the wifi configuration file
+ */
+ public String getConfigFile() {
+ return WifiConfigStore.getConfigFile();
+ }
+
+ /**
* Send a message indicating bluetooth adapter connection state changed
*/
public void sendBluetoothAdapterStateChange(int state) {