Merge "Revert "Enabled NetworkPolicy backup and restore.""
diff --git a/packages/SettingsProvider/src/com/android/providers/settings/NetworkPolicySerializer.java b/packages/SettingsProvider/src/com/android/providers/settings/NetworkPolicySerializer.java
deleted file mode 100644
index 4b87da4..0000000
--- a/packages/SettingsProvider/src/com/android/providers/settings/NetworkPolicySerializer.java
+++ /dev/null
@@ -1,186 +0,0 @@
-package com.android.providers.settings;
-
-import android.net.NetworkPolicy;
-import android.net.NetworkTemplate;
-import android.util.Log;
-
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.DataInputStream;
-import java.io.DataOutputStream;
-import java.io.IOException;
-
-/**
- * Backup/Restore Serializer Class for android.net.NetworkPolicy
- */
-public class NetworkPolicySerializer {
-    private static final boolean DEBUG = false;
-    private static final String TAG = "NetworkPolicySerializer";
-
-    private static final int NULL = 0;
-    private static final int NOT_NULL = 1;
-    /**
-     * Current Version of the Serializer.
-     */
-    private static int STATE_VERSION = 1;
-
-    /**
-     * Marshals an array of NetworkPolicy objects into a byte-array.
-     *
-     * @param policies - NetworkPolicies to be Marshaled
-     * @return byte array
-     */
-
-    public static byte[] marshalNetworkPolicies(NetworkPolicy policies[]) {
-        ByteArrayOutputStream baos = new ByteArrayOutputStream();
-        if (policies != null && policies.length != 0) {
-            DataOutputStream out = new DataOutputStream(baos);
-            try {
-                out.writeInt(STATE_VERSION);
-                out.writeInt(policies.length);
-                for (NetworkPolicy policy : policies) {
-                    byte[] marshaledPolicy = marshalNetworkPolicy(policy);
-                    if (marshaledPolicy != null) {
-                        out.writeByte(NOT_NULL);
-                        out.writeInt(marshaledPolicy.length);
-                        out.write(marshaledPolicy);
-                    } else {
-                        out.writeByte(NULL);
-                    }
-                }
-            } catch (IOException ioe) {
-                Log.e(TAG, "Failed to Convert NetworkPolicies to byte array", ioe);
-                baos.reset();
-            }
-        }
-        return baos.toByteArray();
-    }
-
-    /**
-     * Unmarshals a byte array into an array of NetworkPolicy Objects
-     *
-     * @param data - marshaled NetworkPolicies Array
-     * @return NetworkPolicy[] array
-     */
-    public static NetworkPolicy[] unmarshalNetworkPolicies(byte[] data) {
-        if (data == null || data.length == 0) {
-            return new NetworkPolicy[0];
-        }
-        DataInputStream in = new DataInputStream(new ByteArrayInputStream(data));
-        try {
-            int version = in.readInt();
-            int length = in.readInt();
-            NetworkPolicy[] policies = new NetworkPolicy[length];
-            for (int i = 0; i < length; i++) {
-                byte isNull = in.readByte();
-                if (isNull == NULL) continue;
-                int byteLength = in.readInt();
-                byte[] policyData = new byte[byteLength];
-                in.read(policyData, 0, byteLength);
-                policies[i] = unmarshalNetworkPolicy(policyData);
-            }
-            return policies;
-        } catch (IOException ioe) {
-            Log.e(TAG, "Failed to Convert byte array to NetworkPolicies", ioe);
-            return new NetworkPolicy[0];
-        }
-    }
-
-    /**
-     * Marshals a NetworkPolicy object into a byte-array.
-     *
-     * @param networkPolicy - NetworkPolicy to be Marshaled
-     * @return byte array
-     */
-    public static byte[] marshalNetworkPolicy(NetworkPolicy networkPolicy) {
-        ByteArrayOutputStream baos = new ByteArrayOutputStream();
-        if (networkPolicy != null) {
-            DataOutputStream out = new DataOutputStream(baos);
-            try {
-                out.writeInt(STATE_VERSION);
-                writeNetworkTemplate(out, networkPolicy.template);
-                out.writeInt(networkPolicy.cycleDay);
-                writeString(out, networkPolicy.cycleTimezone);
-                out.writeLong(networkPolicy.warningBytes);
-                out.writeLong(networkPolicy.limitBytes);
-                out.writeLong(networkPolicy.lastWarningSnooze);
-                out.writeLong(networkPolicy.lastLimitSnooze);
-                out.writeInt(networkPolicy.metered ? 1 : 0);
-                out.writeInt(networkPolicy.inferred ? 1 : 0);
-            } catch (IOException ioe) {
-                Log.e(TAG, "Failed to Convert NetworkPolicy to byte array", ioe);
-                baos.reset();
-            }
-        }
-        return baos.toByteArray();
-    }
-
-    /**
-     * Unmarshals a byte array into a NetworkPolicy Object
-     *
-     * @param data - marshaled NetworkPolicy Object
-     * @return NetworkPolicy Object
-     */
-    public static NetworkPolicy unmarshalNetworkPolicy(byte[] data) {
-        if (data == null || data.length == 0) {
-            return null;
-        }
-        DataInputStream in = new DataInputStream(new ByteArrayInputStream(data));
-        try {
-            int version = in.readInt();
-            NetworkTemplate template = readNetworkTemplate(in, version);
-            int cycleDay = in.readInt();
-            String cycleTimeZone = readString(in, version);
-            long warningBytes = in.readLong();
-            long limitBytes = in.readLong();
-            long lastWarningSnooze = in.readLong();
-            long lastLimitSnooze = in.readLong();
-            boolean metered = in.readInt() == 1;
-            boolean inferred = in.readInt() == 1;
-            return new NetworkPolicy(template, cycleDay, cycleTimeZone, warningBytes, limitBytes,
-                    lastWarningSnooze, lastLimitSnooze, metered, inferred);
-        } catch (IOException ioe) {
-            Log.e(TAG, "Failed to Convert byte array to NetworkPolicy", ioe);
-            return null;
-        }
-    }
-
-    private static NetworkTemplate readNetworkTemplate(DataInputStream in, int version)
-            throws IOException {
-        byte isNull = in.readByte();
-        if (isNull == NULL) return null;
-        int matchRule = in.readInt();
-        String subscriberId = readString(in, version);
-        String networkId = readString(in, version);
-        return new NetworkTemplate(matchRule, subscriberId, networkId);
-    }
-
-    private static void writeNetworkTemplate(DataOutputStream out, NetworkTemplate template)
-            throws IOException {
-        if (template != null) {
-            out.writeByte(NOT_NULL);
-            out.writeInt(template.getMatchRule());
-            writeString(out, template.getSubscriberId());
-            writeString(out, template.getNetworkId());
-        } else {
-            out.writeByte(NULL);
-        }
-    }
-
-    private static String readString(DataInputStream in, int version) throws IOException {
-        byte isNull = in.readByte();
-        if (isNull == NOT_NULL) {
-            return in.readUTF();
-        }
-        return null;
-    }
-
-    private static void writeString(DataOutputStream out, String val) throws IOException {
-        if (val != null) {
-            out.writeByte(NOT_NULL);
-            out.writeUTF(val);
-        } else {
-            out.writeByte(NULL);
-        }
-    }
-}
diff --git a/packages/SettingsProvider/src/com/android/providers/settings/SettingsBackupAgent.java b/packages/SettingsProvider/src/com/android/providers/settings/SettingsBackupAgent.java
index 185a03f..8910af4 100644
--- a/packages/SettingsProvider/src/com/android/providers/settings/SettingsBackupAgent.java
+++ b/packages/SettingsProvider/src/com/android/providers/settings/SettingsBackupAgent.java
@@ -24,7 +24,6 @@
 import android.content.ContentValues;
 import android.content.Context;
 import android.database.Cursor;
-import android.net.NetworkPolicyManager;
 import android.net.Uri;
 import android.net.wifi.WifiConfiguration;
 import android.net.wifi.WifiConfiguration.KeyMgmt;
@@ -83,12 +82,10 @@
     private static final String KEY_LOCALE = "locale";
     private static final String KEY_LOCK_SETTINGS = "lock_settings";
     private static final String KEY_SOFTAP_CONFIG = "softap_config";
-    private static final String KEY_NET_POLICIES = "network_policies";
-
 
     // Versioning of the state file.  Increment this version
     // number any time the set of state items is altered.
-    private static final int STATE_VERSION = 6;
+    private static final int STATE_VERSION = 5;
 
     // Slots in the checksum array.  Never insert new items in the middle
     // of this array; new slots must be appended.
@@ -100,9 +97,8 @@
     private static final int STATE_GLOBAL          = 5;
     private static final int STATE_LOCK_SETTINGS   = 6;
     private static final int STATE_SOFTAP_CONFIG   = 7;
-    private static final int STATE_NET_POLICIES    = 8;
 
-    private static final int STATE_SIZE            = 9; // The current number of state items
+    private static final int STATE_SIZE            = 8; // The current number of state items
 
     // Number of entries in the checksum array at various version numbers
     private static final int STATE_SIZES[] = {
@@ -111,8 +107,7 @@
             5,              // version 2 added STATE_WIFI_CONFIG
             6,              // version 3 added STATE_GLOBAL
             7,              // version 4 added STATE_LOCK_SETTINGS
-            8,              // version 5 added STATE_SOFTAP_CONFIG
-            STATE_SIZE      // version 6 added STATE_NET_POLICIES
+            STATE_SIZE      // version 5 added STATE_SOFTAP_CONFIG
     };
 
     // Versioning of the 'full backup' format
@@ -120,7 +115,6 @@
     private static final int FULL_BACKUP_ADDED_GLOBAL = 2;  // added the "global" entry
     private static final int FULL_BACKUP_ADDED_LOCK_SETTINGS = 3; // added the "lock_settings" entry
     private static final int FULL_BACKUP_ADDED_SOFTAP_CONF = 4; //added the "softap_config" entry
-    private static final int FULL_BACKUP_ADDED_NET_POLICIES = 5; //added the "network_policies" entry
 
     private static final int INTEGER_BYTE_COUNT = Integer.SIZE / Byte.SIZE;
 
@@ -416,7 +410,6 @@
         byte[] wifiSupplicantData = getWifiSupplicant(FILE_WIFI_SUPPLICANT);
         byte[] wifiConfigData = getFileData(mWifiConfigFile);
         byte[] softApConfigData = getSoftAPConfiguration();
-        byte[] netPoliciesData = getNetworkPolicies();
 
         long[] stateChecksums = readOldChecksums(oldState);
 
@@ -440,9 +433,6 @@
         stateChecksums[STATE_SOFTAP_CONFIG] =
                 writeIfChanged(stateChecksums[STATE_SOFTAP_CONFIG], KEY_SOFTAP_CONFIG,
                         softApConfigData, data);
-        stateChecksums[STATE_NET_POLICIES] =
-                writeIfChanged(stateChecksums[STATE_NET_POLICIES], KEY_NET_POLICIES,
-                        netPoliciesData, data);
 
         writeNewChecksums(stateChecksums, newState);
     }
@@ -583,10 +573,6 @@
                 byte[] softapData = new byte[size];
                 data.readEntityData(softapData, 0, size);
                 restoreSoftApConfiguration(softapData);
-            } else if (KEY_NET_POLICIES.equals(key)) {
-                byte[] netPoliciesData = new byte[size];
-                data.readEntityData(netPoliciesData, 0, size);
-                restoreNetworkPolicies(netPoliciesData);
             } else {
                 data.skipEntityData();
             }
@@ -616,7 +602,6 @@
         byte[] wifiSupplicantData = getWifiSupplicant(FILE_WIFI_SUPPLICANT);
         byte[] wifiConfigData = getFileData(mWifiConfigFile);
         byte[] softApConfigData = getSoftAPConfiguration();
-        byte[] netPoliciesData = getNetworkPolicies();
 
         // Write the data to the staging file, then emit that as our tarfile
         // representation of the backed-up settings.
@@ -654,9 +639,6 @@
             if (DEBUG_BACKUP) Log.d(TAG, softApConfigData.length + " bytes of softap config data");
             out.writeInt(softApConfigData.length);
             out.write(softApConfigData);
-            if (DEBUG_BACKUP) Log.d(TAG, netPoliciesData.length + " bytes of network policies data");
-            out.writeInt(netPoliciesData.length);
-            out.write(netPoliciesData);
 
             out.flush();    // also flushes downstream
 
@@ -759,16 +741,6 @@
                 }
             }
 
-            if (version >= FULL_BACKUP_ADDED_NET_POLICIES){
-                nBytes = in.readInt();
-                if (DEBUG_BACKUP) Log.d(TAG, nBytes + " bytes of network policies data");
-                if (nBytes > buffer.length) buffer = new byte[nBytes];
-                if (nBytes > 0) {
-                    in.readFully(buffer, 0, nBytes);
-                    restoreNetworkPolicies(buffer);
-                }
-            }
-
             if (DEBUG_BACKUP) Log.d(TAG, "Full restore complete.");
         } else {
             data.close();
@@ -1224,20 +1196,6 @@
         wifiManager.setWifiApConfiguration(WiFiConfigurationSerializer.unmarshalWifiConfig(data));
     }
 
-    private byte[] getNetworkPolicies(){
-        NetworkPolicyManager networkPolicyManager =
-                (NetworkPolicyManager)getSystemService(NETWORK_POLICY_SERVICE);
-        return NetworkPolicySerializer
-                .marshalNetworkPolicies(networkPolicyManager.getNetworkPolicies());
-    }
-
-    private void restoreNetworkPolicies(byte[] data){
-        NetworkPolicyManager networkPolicyManager =
-                (NetworkPolicyManager)getSystemService(NETWORK_POLICY_SERVICE);
-        networkPolicyManager
-                .setNetworkPolicies(NetworkPolicySerializer.unmarshalNetworkPolicies(data));
-    }
-
     /**
      * Write an int in BigEndian into the byte array.
      * @param out byte array
@@ -1259,10 +1217,11 @@
     }
 
     private int readInt(byte[] in, int pos) {
-        int result =    ((in[pos    ] & 0xFF) << 24) |
-                ((in[pos + 1] & 0xFF) << 16) |
-                ((in[pos + 2] & 0xFF) <<  8) |
-                ((in[pos + 3] & 0xFF) <<  0);
+        int result =
+                ((in[pos    ] & 0xFF) << 24) |
+                        ((in[pos + 1] & 0xFF) << 16) |
+                        ((in[pos + 2] & 0xFF) <<  8) |
+                        ((in[pos + 3] & 0xFF) <<  0);
         return result;
     }
 
@@ -1279,4 +1238,4 @@
         }
         return WifiManager.WIFI_STATE_UNKNOWN;
     }
-}
+}
\ No newline at end of file
diff --git a/packages/SettingsProvider/test/Android.mk b/packages/SettingsProvider/test/Android.mk
index f278967..ef863e7 100644
--- a/packages/SettingsProvider/test/Android.mk
+++ b/packages/SettingsProvider/test/Android.mk
@@ -5,10 +5,7 @@
 # Note we statically link SettingsState to do some unit tests.  It's not accessible otherwise
 # because this test is not an instrumentation test. (because the target runs in the system process.)
 LOCAL_SRC_FILES := $(call all-subdir-java-files) \
-    ../src/com/android/providers/settings/SettingsState.java \
-    ../src/com/android/providers/settings/WiFiConfigurationSerializer.java \
-    ../src/com/android/providers/settings/NetworkPolicySerializer.java
-
+    ../src/com/android/providers/settings/SettingsState.java
 
 LOCAL_PACKAGE_NAME := SettingsProviderTest
 
@@ -16,4 +13,4 @@
 
 LOCAL_CERTIFICATE := platform
 
-include $(BUILD_PACKAGE)
+include $(BUILD_PACKAGE)
\ No newline at end of file
diff --git a/packages/SettingsProvider/test/src/com/android/providers/settings/NetworkPolicySerializerTest.java b/packages/SettingsProvider/test/src/com/android/providers/settings/NetworkPolicySerializerTest.java
deleted file mode 100644
index 1986596..0000000
--- a/packages/SettingsProvider/test/src/com/android/providers/settings/NetworkPolicySerializerTest.java
+++ /dev/null
@@ -1,117 +0,0 @@
-package com.android.providers.settings;
-
-import android.net.NetworkPolicy;
-import android.net.NetworkTemplate;
-import android.test.AndroidTestCase;
-
-import java.util.Random;
-
-/**
- * Tests for NetworkPolicySerializer
- */
-public class NetworkPolicySerializerTest extends AndroidTestCase {
-    static Random sRandom = new Random();
-
-    public void testMarshallAndUnmarshalNetworkPolicy() {
-        NetworkPolicy policy = getDummyNetworkPolicy();
-        byte[] data = NetworkPolicySerializer.marshalNetworkPolicy(policy);
-        assertNotNull("Got Null data from marshal", data);
-        assertFalse("Got back an empty byte[] from marshal", data.length == 0);
-
-        NetworkPolicy unmarshaled = NetworkPolicySerializer.unmarshalNetworkPolicy(data);
-        assertNotNull("Got Null data from unmarshaled", unmarshaled);
-        assertTrue("NetworkPolicy Marshall and Unmarshal Failed!", policy.equals(unmarshaled));
-    }
-
-    public void testMarshallNetworkPolicyEdgeCases() {
-        byte[] data = NetworkPolicySerializer.marshalNetworkPolicy(null);
-        assertNotNull("NetworkPolicy marshal returned null. Expected: byte[0]", data);
-        assertEquals("NetworkPolicy marshal returned incomplete byte array. Expected: byte[0]",
-                data.length, 0);
-    }
-
-    public void testUnmarshallNetworkPolicyEdgeCases() {
-        NetworkPolicy policy = NetworkPolicySerializer.unmarshalNetworkPolicy(null);
-        assertNull("Non null NetworkPolicy returned for null byte[] input", policy);
-
-        policy = NetworkPolicySerializer.unmarshalNetworkPolicy(new byte[0]);
-        assertNull("Non null NetworkPolicy returned for empty byte[] input", policy);
-
-        policy = NetworkPolicySerializer.unmarshalNetworkPolicy(new byte[]{10, 20, 30, 40, 50, 60});
-        assertNull("Non null NetworkPolicy returned for incomplete byte[] input", policy);
-    }
-
-    public void testMarshallAndUnmarshalNetworkPolicies() {
-        NetworkPolicy[] policies = getDummyNetworkPolicies(5);
-        byte[] data = NetworkPolicySerializer.marshalNetworkPolicies(policies);
-        assertNotNull("Got Null data from marshal", data);
-        assertFalse("Got back an empty byte[] from marshal", data.length == 0);
-
-        NetworkPolicy[] unmarshaled = NetworkPolicySerializer.unmarshalNetworkPolicies(data);
-        assertNotNull("Got Null data from unmarshaled", unmarshaled);
-        try {
-            for (int i = 0; i < policies.length; i++) {
-                assertTrue("NetworkPolicies Marshall and Unmarshal Failed!",
-                        policies[i].equals(unmarshaled[i]));
-            }
-        } catch (NullPointerException npe) {
-            assertTrue("Some policies were not marshaled/unmarshaled correctly", false);
-        }
-    }
-
-    public void testMarshallNetworkPoliciesEdgeCases() {
-        byte[] data = NetworkPolicySerializer.marshalNetworkPolicies(null);
-        assertNotNull("NetworkPolicies marshal returned null!", data);
-        assertEquals("NetworkPolicies marshal returned incomplete byte array", data.length, 0);
-
-        data = NetworkPolicySerializer.marshalNetworkPolicies(new NetworkPolicy[0]);
-        assertNotNull("NetworkPolicies marshal returned null for empty NetworkPolicy[]", data);
-        assertEquals("NetworkPolicies marshal returned incomplete byte array for empty NetworkPolicy[]"
-                , data.length, 0);
-    }
-
-    public void testUnmarshalNetworkPoliciesEdgeCases() {
-        NetworkPolicy[] policies = NetworkPolicySerializer.unmarshalNetworkPolicies(null);
-        assertNotNull("NetworkPolicies unmarshal returned null for null input. Expected: byte[0] ",
-                policies);
-        assertEquals("Non Empty NetworkPolicy[] returned for null input Expected: byte[0]",
-                policies.length, 0);
-
-        policies = NetworkPolicySerializer.unmarshalNetworkPolicies(new byte[0]);
-        assertNotNull("NetworkPolicies unmarshal returned null for empty byte[] input. Expected: byte[0]",
-                policies);
-        assertEquals("Non Empty NetworkPolicy[] returned for empty byte[] input. Expected: byte[0]",
-                policies.length, 0);
-
-        policies = NetworkPolicySerializer.unmarshalNetworkPolicies(new byte[]{10, 20, 30, 40, 50, 60});
-        assertNotNull("NetworkPolicies unmarshal returned null for incomplete byte[] input. " +
-                "Expected: byte[0] ", policies);
-        assertEquals("Non Empty NetworkPolicy[] returned for incomplete byte[] input Expected: byte[0]",
-                policies.length, 0);
-
-    }
-
-    private NetworkPolicy[] getDummyNetworkPolicies(int num) {
-        NetworkPolicy[] policies = new NetworkPolicy[num];
-        for (int i = 0; i < num; i++) {
-            policies[i] = getDummyNetworkPolicy();
-        }
-        return policies;
-    }
-
-    private NetworkPolicy getDummyNetworkPolicy() {
-        NetworkTemplate template = new NetworkTemplate(NetworkTemplate.MATCH_MOBILE_ALL, "subId",
-                "GoogleGuest");
-        int cycleDay = sRandom.nextInt();
-        String cycleTimezone = "timezone";
-        long warningBytes = sRandom.nextLong();
-        long limitBytes = sRandom.nextLong();
-        long lastWarningSnooze = sRandom.nextLong();
-        long lastLimitSnooze = sRandom.nextLong();
-        boolean metered = sRandom.nextInt() % 2 == 0;
-        boolean inferred = sRandom.nextInt() % 2 == 0;
-        return new NetworkPolicy(template, cycleDay, cycleTimezone, warningBytes, limitBytes,
-                lastWarningSnooze, lastLimitSnooze, metered, inferred);
-    }
-
-}