diff --git a/core/java/android/net/ConnectivityManager.java b/core/java/android/net/ConnectivityManager.java
index 57706da..f5457bd 100644
--- a/core/java/android/net/ConnectivityManager.java
+++ b/core/java/android/net/ConnectivityManager.java
@@ -1758,25 +1758,6 @@
     }
 
     /**
-     * Sets a secondary requirement bit for the given networkType.
-     * This requirement bit is generally under the control of the carrier
-     * or its agents and is not directly controlled by the user.
-     *
-     * @param networkType The network who's dependence has changed
-     * @param met Boolean - true if network use is OK, false if not
-     *
-     * <p>This method requires the call to hold the permission
-     * {@link android.Manifest.permission#CONNECTIVITY_INTERNAL}.
-     * {@hide}
-     */
-    public void setDataDependency(int networkType, boolean met) {
-        try {
-            mService.setDataDependency(networkType, met);
-        } catch (RemoteException e) {
-        }
-    }
-
-    /**
      * Returns true if the hardware supports the given network type
      * else it returns false.  This doesn't indicate we have coverage
      * or are authorized onto a network, just whether or not the
@@ -1857,20 +1838,6 @@
     }
 
     /**
-     * Supply the backend messenger for a network tracker
-     *
-     * @param networkType NetworkType to set
-     * @param messenger {@link Messenger}
-     * {@hide}
-     */
-    public void supplyMessenger(int networkType, Messenger messenger) {
-        try {
-            mService.supplyMessenger(networkType, messenger);
-        } catch (RemoteException e) {
-        }
-    }
-
-    /**
      * Check mobile provisioning.
      *
      * @param suggestedTimeOutMs, timeout in milliseconds
diff --git a/core/java/android/net/IConnectivityManager.aidl b/core/java/android/net/IConnectivityManager.aidl
index 46af112..d8852f8 100644
--- a/core/java/android/net/IConnectivityManager.aidl
+++ b/core/java/android/net/IConnectivityManager.aidl
@@ -102,8 +102,6 @@
 
     ProxyInfo getDefaultProxy();
 
-    void setDataDependency(int networkType, boolean met);
-
     boolean prepareVpn(String oldPackage, String newPackage);
 
     void setVpnPackageAuthorization(boolean authorized);
@@ -120,8 +118,6 @@
 
     void captivePortalCheckCompleted(in NetworkInfo info, boolean isCaptivePortal);
 
-    void supplyMessenger(int networkType, in Messenger messenger);
-
     int findConnectionTypeForIface(in String iface);
 
     int checkMobileProvisioning(int suggestedTimeOutMs);
diff --git a/core/java/android/net/Network.java b/core/java/android/net/Network.java
index 5c12696..dfe2413 100644
--- a/core/java/android/net/Network.java
+++ b/core/java/android/net/Network.java
@@ -16,7 +16,6 @@
 
 package android.net;
 
-import android.net.NetworkUtils;
 import android.os.Parcelable;
 import android.os.Parcel;
 import android.system.ErrnoException;
@@ -34,15 +33,14 @@
 import java.net.UnknownHostException;
 import java.net.URL;
 import java.net.URLConnection;
-import java.net.URLStreamHandler;
-import java.util.concurrent.atomic.AtomicReference;
 import javax.net.SocketFactory;
 
 import com.android.okhttp.ConnectionPool;
-import com.android.okhttp.HostResolver;
 import com.android.okhttp.HttpHandler;
 import com.android.okhttp.HttpsHandler;
 import com.android.okhttp.OkHttpClient;
+import com.android.okhttp.OkUrlFactory;
+import com.android.okhttp.internal.Internal;
 
 /**
  * Identifies a {@code Network}.  This is supplied to applications via
@@ -63,10 +61,10 @@
     // Objects used to perform per-network operations such as getSocketFactory
     // and openConnection, and a lock to protect access to them.
     private volatile NetworkBoundSocketFactory mNetworkBoundSocketFactory = null;
-    // mLock should be used to control write access to mConnectionPool and mHostResolver.
+    // mLock should be used to control write access to mConnectionPool and mNetwork.
     // maybeInitHttpClient() must be called prior to reading either variable.
     private volatile ConnectionPool mConnectionPool = null;
-    private volatile HostResolver mHostResolver = null;
+    private volatile com.android.okhttp.internal.Network mNetwork = null;
     private Object mLock = new Object();
 
     // Default connection pool values. These are evaluated at startup, just
@@ -220,10 +218,10 @@
     // out) ConnectionPools.
     private void maybeInitHttpClient() {
         synchronized (mLock) {
-            if (mHostResolver == null) {
-                mHostResolver = new HostResolver() {
+            if (mNetwork == null) {
+                mNetwork = new com.android.okhttp.internal.Network() {
                     @Override
-                    public InetAddress[] getAllByName(String host) throws UnknownHostException {
+                    public InetAddress[] resolveInetAddresses(String host) throws UnknownHostException {
                         return Network.this.getAllByName(host);
                     }
                 };
@@ -278,22 +276,25 @@
         if (proxy == null) throw new IllegalArgumentException("proxy is null");
         maybeInitHttpClient();
         String protocol = url.getProtocol();
-        OkHttpClient client;
-        // TODO: HttpHandler creates OkHttpClients that share the default ResponseCache.
+        OkUrlFactory okUrlFactory;
+        // TODO: HttpHandler creates OkUrlFactory instances that share the default ResponseCache.
         // Could this cause unexpected behavior?
         if (protocol.equals("http")) {
-            client = HttpHandler.createHttpOkHttpClient(proxy);
+            okUrlFactory = HttpHandler.createHttpOkUrlFactory(proxy);
         } else if (protocol.equals("https")) {
-            client = HttpsHandler.createHttpsOkHttpClient(proxy);
+            okUrlFactory = HttpsHandler.createHttpsOkUrlFactory(proxy);
         } else {
-            // OkHttpClient only supports HTTP and HTTPS and returns a null URLStreamHandler if
+            // OkHttp only supports HTTP and HTTPS and returns a null URLStreamHandler if
             // passed another protocol.
             throw new MalformedURLException("Invalid URL or unrecognized protocol " + protocol);
         }
-        return client.setSocketFactory(getSocketFactory())
-                .setHostResolver(mHostResolver)
-                .setConnectionPool(mConnectionPool)
-                .open(url);
+        OkHttpClient client = okUrlFactory.client();
+        client.setSocketFactory(getSocketFactory()).setConnectionPool(mConnectionPool);
+
+        // Use internal APIs to change the Network.
+        Internal.instance.setNetwork(client, mNetwork);
+
+        return okUrlFactory.open(url);
     }
 
     /**
diff --git a/core/java/android/net/StaticIpConfiguration.java b/core/java/android/net/StaticIpConfiguration.java
index 365f2b6..37ee961 100644
--- a/core/java/android/net/StaticIpConfiguration.java
+++ b/core/java/android/net/StaticIpConfiguration.java
@@ -188,6 +188,7 @@
         for (InetAddress dnsServer : dnsServers) {
             NetworkUtils.parcelInetAddress(dest, dnsServer, flags);
         }
+        dest.writeString(domains);
     }
 
     protected static void readFromParcel(StaticIpConfiguration s, Parcel in) {
@@ -198,5 +199,6 @@
         for (int i = 0; i < size; i++) {
             s.dnsServers.add(NetworkUtils.unparcelInetAddress(in));
         }
+        s.domains = in.readString();
     }
 }
diff --git a/core/jni/android_net_NetUtils.cpp b/core/jni/android_net_NetUtils.cpp
index 8b9f574..9092512 100644
--- a/core/jni/android_net_NetUtils.cpp
+++ b/core/jni/android_net_NetUtils.cpp
@@ -19,13 +19,14 @@
 #include "jni.h"
 #include "JNIHelp.h"
 #include "NetdClient.h"
-#include "resolv_netid.h"
 #include <utils/misc.h>
 #include <android_runtime/AndroidRuntime.h>
 #include <utils/Log.h>
 #include <arpa/inet.h>
 #include <cutils/properties.h>
 
+#include "core_jni_helpers.h"
+
 extern "C" {
 int ifc_enable(const char *ifname);
 int ifc_disable(const char *ifname);
@@ -269,27 +270,26 @@
 
 int register_android_net_NetworkUtils(JNIEnv* env)
 {
-    jclass dhcpResultsClass = env->FindClass("android/net/DhcpResults");
-    LOG_FATAL_IF(dhcpResultsClass == NULL, "Unable to find class android/net/DhcpResults");
-    dhcpResultsFieldIds.clear =
-            env->GetMethodID(dhcpResultsClass, "clear", "()V");
-    dhcpResultsFieldIds.setIpAddress =
-            env->GetMethodID(dhcpResultsClass, "setIpAddress", "(Ljava/lang/String;I)Z");
-    dhcpResultsFieldIds.setGateway =
-            env->GetMethodID(dhcpResultsClass, "setGateway", "(Ljava/lang/String;)Z");
-    dhcpResultsFieldIds.addDns =
-            env->GetMethodID(dhcpResultsClass, "addDns", "(Ljava/lang/String;)Z");
-    dhcpResultsFieldIds.setDomains =
-            env->GetMethodID(dhcpResultsClass, "setDomains", "(Ljava/lang/String;)V");
-    dhcpResultsFieldIds.setServerAddress =
-            env->GetMethodID(dhcpResultsClass, "setServerAddress", "(Ljava/lang/String;)Z");
-    dhcpResultsFieldIds.setLeaseDuration =
-            env->GetMethodID(dhcpResultsClass, "setLeaseDuration", "(I)V");
-    dhcpResultsFieldIds.setVendorInfo =
-            env->GetMethodID(dhcpResultsClass, "setVendorInfo", "(Ljava/lang/String;)V");
+    jclass dhcpResultsClass = FindClassOrDie(env, "android/net/DhcpResults");
 
-    return AndroidRuntime::registerNativeMethods(env,
-            NETUTILS_PKG_NAME, gNetworkUtilMethods, NELEM(gNetworkUtilMethods));
+    dhcpResultsFieldIds.clear = GetMethodIDOrDie(env, dhcpResultsClass, "clear", "()V");
+    dhcpResultsFieldIds.setIpAddress =GetMethodIDOrDie(env, dhcpResultsClass, "setIpAddress",
+            "(Ljava/lang/String;I)Z");
+    dhcpResultsFieldIds.setGateway = GetMethodIDOrDie(env, dhcpResultsClass, "setGateway",
+            "(Ljava/lang/String;)Z");
+    dhcpResultsFieldIds.addDns = GetMethodIDOrDie(env, dhcpResultsClass, "addDns",
+            "(Ljava/lang/String;)Z");
+    dhcpResultsFieldIds.setDomains = GetMethodIDOrDie(env, dhcpResultsClass, "setDomains",
+            "(Ljava/lang/String;)V");
+    dhcpResultsFieldIds.setServerAddress = GetMethodIDOrDie(env, dhcpResultsClass,
+            "setServerAddress", "(Ljava/lang/String;)Z");
+    dhcpResultsFieldIds.setLeaseDuration = GetMethodIDOrDie(env, dhcpResultsClass,
+            "setLeaseDuration", "(I)V");
+    dhcpResultsFieldIds.setVendorInfo = GetMethodIDOrDie(env, dhcpResultsClass, "setVendorInfo",
+            "(Ljava/lang/String;)V");
+
+    return RegisterMethodsOrDie(env, NETUTILS_PKG_NAME, gNetworkUtilMethods,
+                                NELEM(gNetworkUtilMethods));
 }
 
 }; // namespace android
diff --git a/core/tests/coretests/src/android/net/StaticIpConfigurationTest.java b/core/tests/coretests/src/android/net/StaticIpConfigurationTest.java
new file mode 100644
index 0000000..59f780f
--- /dev/null
+++ b/core/tests/coretests/src/android/net/StaticIpConfigurationTest.java
@@ -0,0 +1,225 @@
+/*
+ * Copyright (C) 2014 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.
+ */
+
+package android.net;
+
+import android.net.IpPrefix;
+import android.net.LinkAddress;
+import android.net.RouteInfo;
+import android.net.StaticIpConfiguration;
+import android.os.Parcel;
+
+import java.net.InetAddress;
+import java.util.HashSet;
+
+import junit.framework.TestCase;
+import android.test.suitebuilder.annotation.SmallTest;
+
+import static org.junit.Assert.*;
+
+
+public class StaticIpConfigurationTest extends TestCase {
+
+    private static final String ADDRSTR = "192.0.2.2/25";
+    private static final LinkAddress ADDR = new LinkAddress(ADDRSTR);
+    private static final InetAddress GATEWAY = IpAddress("192.0.2.1");
+    private static final InetAddress OFFLINKGATEWAY = IpAddress("192.0.2.129");
+    private static final InetAddress DNS1 = IpAddress("8.8.8.8");
+    private static final InetAddress DNS2 = IpAddress("8.8.4.4");
+    private static final InetAddress DNS3 = IpAddress("4.2.2.2");
+    private static final String IFACE = "eth0";
+
+    private static InetAddress IpAddress(String addr) {
+        return InetAddress.parseNumericAddress(addr);
+    }
+
+    private void checkEmpty(StaticIpConfiguration s) {
+        assertNull(s.ipAddress);
+        assertNull(s.gateway);
+        assertNull(s.domains);
+        assertEquals(0, s.dnsServers.size());
+    }
+
+    private boolean isEqual(StaticIpConfiguration s1, StaticIpConfiguration s2) {
+        return s1.equals(s2);
+    }
+
+    private void assertEquals(StaticIpConfiguration s1, StaticIpConfiguration s2) {
+        assertTrue(isEqual(s1, s2));
+    }
+
+    private void assertNotEquals(StaticIpConfiguration s1, StaticIpConfiguration s2) {
+        assertFalse(isEqual(s1, s2));
+    }
+
+    private StaticIpConfiguration makeTestObject() {
+        StaticIpConfiguration s = new StaticIpConfiguration();
+        s.ipAddress = ADDR;
+        s.gateway = GATEWAY;
+        s.dnsServers.add(DNS1);
+        s.dnsServers.add(DNS2);
+        s.dnsServers.add(DNS3);
+        s.domains = "google.com";
+        return s;
+    }
+
+    @SmallTest
+    public void testConstructor() {
+        StaticIpConfiguration s = new StaticIpConfiguration();
+        checkEmpty(s);
+    }
+
+    @SmallTest
+    public void testCopyAndClear() {
+        StaticIpConfiguration empty = new StaticIpConfiguration((StaticIpConfiguration) null);
+        checkEmpty(empty);
+
+        StaticIpConfiguration s1 = makeTestObject();
+        StaticIpConfiguration s2 = new StaticIpConfiguration(s1);
+        assertEquals(s1, s2);
+        s2.clear();
+        assertEquals(empty, s2);
+    }
+
+    @SmallTest
+    public void testHashCodeAndEquals() {
+        HashSet<Integer> hashCodes = new HashSet();
+        hashCodes.add(0);
+
+        StaticIpConfiguration s = new StaticIpConfiguration();
+        // Check that this hash code is nonzero and different from all the ones seen so far.
+        assertTrue(hashCodes.add(s.hashCode()));
+
+        s.ipAddress = ADDR;
+        assertTrue(hashCodes.add(s.hashCode()));
+
+        s.gateway = GATEWAY;
+        assertTrue(hashCodes.add(s.hashCode()));
+
+        s.dnsServers.add(DNS1);
+        assertTrue(hashCodes.add(s.hashCode()));
+
+        s.dnsServers.add(DNS2);
+        assertTrue(hashCodes.add(s.hashCode()));
+
+        s.dnsServers.add(DNS3);
+        assertTrue(hashCodes.add(s.hashCode()));
+
+        s.domains = "example.com";
+        assertTrue(hashCodes.add(s.hashCode()));
+
+        assertFalse(s.equals(null));
+        assertEquals(s, s);
+
+        StaticIpConfiguration s2 = new StaticIpConfiguration(s);
+        assertEquals(s, s2);
+
+        s.ipAddress = new LinkAddress(DNS1, 32);
+        assertNotEquals(s, s2);
+
+        s2 = new StaticIpConfiguration(s);
+        s.domains = "foo";
+        assertNotEquals(s, s2);
+
+        s2 = new StaticIpConfiguration(s);
+        s.gateway = DNS2;
+        assertNotEquals(s, s2);
+
+        s2 = new StaticIpConfiguration(s);
+        s.dnsServers.add(DNS3);
+        assertNotEquals(s, s2);
+    }
+
+    @SmallTest
+    public void testToLinkProperties() {
+        LinkProperties expected = new LinkProperties();
+        expected.setInterfaceName(IFACE);
+
+        StaticIpConfiguration s = new StaticIpConfiguration();
+        assertEquals(expected, s.toLinkProperties(IFACE));
+
+        final RouteInfo connectedRoute = new RouteInfo(new IpPrefix(ADDRSTR), null, IFACE);
+        s.ipAddress = ADDR;
+        expected.addLinkAddress(ADDR);
+        expected.addRoute(connectedRoute);
+        assertEquals(expected, s.toLinkProperties(IFACE));
+
+        s.gateway = GATEWAY;
+        RouteInfo defaultRoute = new RouteInfo(new IpPrefix("0.0.0.0/0"), GATEWAY, IFACE);
+        expected.addRoute(defaultRoute);
+        assertEquals(expected, s.toLinkProperties(IFACE));
+
+        s.gateway = OFFLINKGATEWAY;
+        expected.removeRoute(defaultRoute);
+        defaultRoute = new RouteInfo(new IpPrefix("0.0.0.0/0"), OFFLINKGATEWAY, IFACE);
+        expected.addRoute(defaultRoute);
+
+        RouteInfo gatewayRoute = new RouteInfo(new IpPrefix("192.0.2.129/32"), null, IFACE);
+        expected.addRoute(gatewayRoute);
+        assertEquals(expected, s.toLinkProperties(IFACE));
+
+        s.dnsServers.add(DNS1);
+        expected.addDnsServer(DNS1);
+        assertEquals(expected, s.toLinkProperties(IFACE));
+
+        s.dnsServers.add(DNS2);
+        s.dnsServers.add(DNS3);
+        expected.addDnsServer(DNS2);
+        expected.addDnsServer(DNS3);
+        assertEquals(expected, s.toLinkProperties(IFACE));
+
+        s.domains = "google.com";
+        expected.setDomains("google.com");
+        assertEquals(expected, s.toLinkProperties(IFACE));
+
+        s.gateway = null;
+        expected.removeRoute(defaultRoute);
+        expected.removeRoute(gatewayRoute);
+        assertEquals(expected, s.toLinkProperties(IFACE));
+
+        // Without knowing the IP address, we don't have a directly-connected route, so we can't
+        // tell if the gateway is off-link or not and we don't add a host route. This isn't a real
+        // configuration, but we should at least not crash.
+        s.gateway = OFFLINKGATEWAY;
+        s.ipAddress = null;
+        expected.removeLinkAddress(ADDR);
+        expected.removeRoute(connectedRoute);
+        expected.addRoute(defaultRoute);
+        assertEquals(expected, s.toLinkProperties(IFACE));
+    }
+
+    private StaticIpConfiguration passThroughParcel(StaticIpConfiguration s) {
+        Parcel p = Parcel.obtain();
+        StaticIpConfiguration s2 = null;
+        try {
+            s.writeToParcel(p, 0);
+            p.setDataPosition(0);
+            s2 = StaticIpConfiguration.CREATOR.createFromParcel(p);
+        } finally {
+            p.recycle();
+        }
+        assertNotNull(s2);
+        return s2;
+    }
+
+    @SmallTest
+    public void testParceling() {
+        StaticIpConfiguration s = makeTestObject();
+        StaticIpConfiguration s2 = passThroughParcel(s);
+        assertEquals(s, s2);
+    }
+}
+
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index eab535a..7ffa0b6 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -49,7 +49,6 @@
 import android.net.INetworkStatsService;
 import android.net.LinkProperties;
 import android.net.LinkProperties.CompareResult;
-import android.net.MobileDataStateTracker;
 import android.net.Network;
 import android.net.NetworkAgent;
 import android.net.NetworkCapabilities;
@@ -60,12 +59,10 @@
 import android.net.NetworkQuotaInfo;
 import android.net.NetworkRequest;
 import android.net.NetworkState;
-import android.net.NetworkStateTracker;
 import android.net.NetworkUtils;
 import android.net.Proxy;
 import android.net.ProxyInfo;
 import android.net.RouteInfo;
-import android.net.SamplingDataTracker;
 import android.net.UidRange;
 import android.net.Uri;
 import android.os.Binder;
@@ -154,9 +151,6 @@
     private static final boolean DBG = true;
     private static final boolean VDBG = false;
 
-    // network sampling debugging
-    private static final boolean SAMPLE_DBG = false;
-
     private static final boolean LOGD_RULES = false;
 
     // TODO: create better separation between radio types and network types
@@ -167,33 +161,10 @@
     private static final String NETWORK_RESTORE_DELAY_PROP_NAME =
             "android.telephony.apn-restore";
 
-    // Default value if FAIL_FAST_TIME_MS is not set
-    private static final int DEFAULT_FAIL_FAST_TIME_MS = 1 * 60 * 1000;
-    // system property that can override DEFAULT_FAIL_FAST_TIME_MS
-    private static final String FAIL_FAST_TIME_MS =
-            "persist.radio.fail_fast_time_ms";
-
-    private static final String ACTION_PKT_CNT_SAMPLE_INTERVAL_ELAPSED =
-            "android.net.ConnectivityService.action.PKT_CNT_SAMPLE_INTERVAL_ELAPSED";
-
-    private static final int SAMPLE_INTERVAL_ELAPSED_REQUEST_CODE = 0;
-
     // How long to delay to removal of a pending intent based request.
     // See Settings.Secure.CONNECTIVITY_RELEASE_PENDING_INTENT_DELAY_MS
     private final int mReleasePendingIntentDelayMs;
 
-    private PendingIntent mSampleIntervalElapsedIntent;
-
-    // Set network sampling interval at 12 minutes, this way, even if the timers get
-    // aggregated, it will fire at around 15 minutes, which should allow us to
-    // aggregate this timer with other timers (specially the socket keep alive timers)
-    private static final int DEFAULT_SAMPLING_INTERVAL_IN_SECONDS = (SAMPLE_DBG ? 30 : 12 * 60);
-
-    // start network sampling a minute after booting ...
-    private static final int DEFAULT_START_SAMPLING_INTERVAL_IN_SECONDS = (SAMPLE_DBG ? 30 : 60);
-
-    AlarmManager mAlarmManager;
-
     private Tethering mTethering;
 
     private final PermissionMonitor mPermissionMonitor;
@@ -213,13 +184,6 @@
     /** Set of ifaces that are costly. */
     private HashSet<String> mMeteredIfaces = Sets.newHashSet();
 
-    /**
-     * Sometimes we want to refer to the individual network state
-     * trackers separately, and sometimes we just want to treat them
-     * abstractly.
-     */
-    private NetworkStateTracker mNetTrackers[];
-
     private Context mContext;
     private int mNetworkPreference;
     // 0 is full bad, 100 is full good
@@ -279,28 +243,11 @@
     private static final int EVENT_APPLY_GLOBAL_HTTP_PROXY = 9;
 
     /**
-     * used internally to set external dependency met/unmet
-     * arg1 = ENABLED (met) or DISABLED (unmet)
-     * arg2 = NetworkType
-     */
-    private static final int EVENT_SET_DEPENDENCY_MET = 10;
-
-    /**
      * used internally to send a sticky broadcast delayed.
      */
     private static final int EVENT_SEND_STICKY_BROADCAST_INTENT = 11;
 
     /**
-     * Used internally to disable fail fast of mobile data
-     */
-    private static final int EVENT_ENABLE_FAIL_FAST_MOBILE_DATA = 14;
-
-    /**
-     * used internally to indicate that data sampling interval is up
-     */
-    private static final int EVENT_SAMPLE_INTERVAL_ELAPSED = 15;
-
-    /**
      * PAC manager has received new port.
      */
     private static final int EVENT_PROXY_HAS_CHANGED = 16;
@@ -420,8 +367,6 @@
 
     private DataConnectionStats mDataConnectionStats;
 
-    private AtomicInteger mEnableFailFastMobileDataTag = new AtomicInteger(0);
-
     TelephonyManager mTelephonyManager;
 
     // sequence number for Networks; keep in sync with system/netd/NetworkController.cpp
@@ -651,9 +596,6 @@
                 com.android.internal.R.integer.config_networkTransitionTimeout);
         mPendingIntentWakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, TAG);
 
-        mNetTrackers = new NetworkStateTracker[
-                ConnectivityManager.MAX_NETWORK_TYPE+1];
-
         mNetConfigs = new NetworkConfig[ConnectivityManager.MAX_NETWORK_TYPE+1];
 
         // TODO: What is the "correct" way to do determine if this is a wifi only device?
@@ -741,23 +683,6 @@
         mDataConnectionStats = new DataConnectionStats(mContext);
         mDataConnectionStats.startMonitoring();
 
-        mAlarmManager = (AlarmManager)mContext.getSystemService(Context.ALARM_SERVICE);
-
-        IntentFilter filter = new IntentFilter();
-        filter.addAction(ACTION_PKT_CNT_SAMPLE_INTERVAL_ELAPSED);
-        mContext.registerReceiver(
-                new BroadcastReceiver() {
-                    @Override
-                    public void onReceive(Context context, Intent intent) {
-                        String action = intent.getAction();
-                        if (action.equals(ACTION_PKT_CNT_SAMPLE_INTERVAL_ELAPSED)) {
-                            mHandler.sendMessage(mHandler.obtainMessage
-                                    (EVENT_SAMPLE_INTERVAL_ELAPSED));
-                        }
-                    }
-                },
-                new IntentFilter(filter));
-
         mPacManager = new PacManager(mContext, mHandler, EVENT_PROXY_HAS_CHANGED);
 
         mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
@@ -783,15 +708,6 @@
         throw new IllegalStateException("No free netIds");
     }
 
-    private boolean teardown(NetworkStateTracker netTracker) {
-        if (netTracker.teardown()) {
-            netTracker.setTeardownRequested(true);
-            return true;
-        } else {
-            return false;
-        }
-    }
-
     private NetworkState getFilteredNetworkState(int networkType, int uid) {
         NetworkInfo info = null;
         LinkProperties lp = null;
@@ -1351,22 +1267,6 @@
         return true;
     }
 
-    public void setDataDependency(int networkType, boolean met) {
-        enforceConnectivityInternalPermission();
-
-        mHandler.sendMessage(mHandler.obtainMessage(EVENT_SET_DEPENDENCY_MET,
-                (met ? ENABLED : DISABLED), networkType));
-    }
-
-    private void handleSetDependencyMet(int networkType, boolean met) {
-        if (mNetTrackers[networkType] != null) {
-            if (DBG) {
-                log("handleSetDependencyMet(" + networkType + ", " + met + ")");
-            }
-            mNetTrackers[networkType].setDependencyMet(met);
-        }
-    }
-
     private INetworkPolicyListener mPolicyListener = new INetworkPolicyListener.Stub() {
         @Override
         public void onUidRulesChanged(int uid, int uidRules) {
@@ -1407,21 +1307,6 @@
             if (LOGD_RULES) {
                 log("onRestrictBackgroundChanged(restrictBackground=" + restrictBackground + ")");
             }
-
-            // kick off connectivity change broadcast for active network, since
-            // global background policy change is radical.
-            // TODO: Dead code; remove.
-            //
-            // final int networkType = mActiveDefaultNetwork;
-            // if (isNetworkTypeValid(networkType)) {
-            //     final NetworkStateTracker tracker = mNetTrackers[networkType];
-            //     if (tracker != null) {
-            //         final NetworkInfo info = tracker.getNetworkInfo();
-            //         if (info != null && info.isConnected()) {
-            //             sendConnectedBroadcast(info);
-            //         }
-            //     }
-            // }
         }
     };
 
@@ -1537,14 +1422,6 @@
     }
 
     void systemReady() {
-        // start network sampling ..
-        Intent intent = new Intent(ACTION_PKT_CNT_SAMPLE_INTERVAL_ELAPSED);
-        intent.setPackage(mContext.getPackageName());
-
-        mSampleIntervalElapsedIntent = PendingIntent.getBroadcast(mContext,
-                SAMPLE_INTERVAL_ELAPSED_REQUEST_CODE, intent, 0);
-        setAlarm(DEFAULT_START_SAMPLING_INTERVAL_IN_SECONDS * 1000, mSampleIntervalElapsedIntent);
-
         loadGlobalProxy();
 
         synchronized(this) {
@@ -2016,66 +1893,6 @@
                     }
                     break;
                 }
-                case NetworkStateTracker.EVENT_STATE_CHANGED: {
-                    info = (NetworkInfo) msg.obj;
-                    NetworkInfo.State state = info.getState();
-
-                    if (VDBG || (state == NetworkInfo.State.CONNECTED) ||
-                            (state == NetworkInfo.State.DISCONNECTED) ||
-                            (state == NetworkInfo.State.SUSPENDED)) {
-                        log("ConnectivityChange for " +
-                            info.getTypeName() + ": " +
-                            state + "/" + info.getDetailedState());
-                    }
-
-                    EventLogTags.writeConnectivityStateChanged(
-                            info.getType(), info.getSubtype(), info.getDetailedState().ordinal());
-
-                    if (info.isConnectedToProvisioningNetwork()) {
-                        /**
-                         * TODO: Create ConnectivityManager.TYPE_MOBILE_PROVISIONING
-                         * for now its an in between network, its a network that
-                         * is actually a default network but we don't want it to be
-                         * announced as such to keep background applications from
-                         * trying to use it. It turns out that some still try so we
-                         * take the additional step of clearing any default routes
-                         * to the link that may have incorrectly setup by the lower
-                         * levels.
-                         */
-                        LinkProperties lp = getLinkPropertiesForType(info.getType());
-                        if (DBG) {
-                            log("EVENT_STATE_CHANGED: connected to provisioning network, lp=" + lp);
-                        }
-
-                        // Clear any default routes setup by the radio so
-                        // any activity by applications trying to use this
-                        // connection will fail until the provisioning network
-                        // is enabled.
-                        /*
-                        for (RouteInfo r : lp.getRoutes()) {
-                            removeRoute(lp, r, TO_DEFAULT_TABLE,
-                                        mNetTrackers[info.getType()].getNetwork().netId);
-                        }
-                        */
-                    } else if (state == NetworkInfo.State.DISCONNECTED) {
-                    } else if (state == NetworkInfo.State.SUSPENDED) {
-                    } else if (state == NetworkInfo.State.CONNECTED) {
-                    //    handleConnect(info);
-                    }
-                    notifyLockdownVpn(null);
-                    break;
-                }
-                case NetworkStateTracker.EVENT_CONFIGURATION_CHANGED: {
-                    info = (NetworkInfo) msg.obj;
-                    // TODO: Temporary allowing network configuration
-                    //       change not resetting sockets.
-                    //       @see bug/4455071
-                    /*
-                    handleConnectivityChange(info.getType(), mCurrentLinkProperties[info.getType()],
-                            false);
-                    */
-                    break;
-                }
             }
         }
     }
@@ -2206,6 +2023,8 @@
                         ReapUnvalidatedNetworks.DONT_REAP);
             }
         }
+        NetworkFactoryInfo nfi = mNetworkFactoryInfos.remove(msg.replyTo);
+        if (DBG && nfi != null) log("unregisterNetworkFactory for " + nfi.name);
     }
 
     // If this method proves to be too slow then we can maintain a separate
@@ -2440,34 +2259,11 @@
                     handleDeprecatedGlobalHttpProxy();
                     break;
                 }
-                case EVENT_SET_DEPENDENCY_MET: {
-                    boolean met = (msg.arg1 == ENABLED);
-                    handleSetDependencyMet(msg.arg2, met);
-                    break;
-                }
                 case EVENT_SEND_STICKY_BROADCAST_INTENT: {
                     Intent intent = (Intent)msg.obj;
                     sendStickyBroadcast(intent);
                     break;
                 }
-                case EVENT_ENABLE_FAIL_FAST_MOBILE_DATA: {
-                    int tag = mEnableFailFastMobileDataTag.get();
-                    if (msg.arg1 == tag) {
-                        MobileDataStateTracker mobileDst =
-                            (MobileDataStateTracker) mNetTrackers[ConnectivityManager.TYPE_MOBILE];
-                        if (mobileDst != null) {
-                            mobileDst.setEnableFailFastMobileData(msg.arg2);
-                        }
-                    } else {
-                        log("EVENT_ENABLE_FAIL_FAST_MOBILE_DATA: stale arg1:" + msg.arg1
-                                + " != tag:" + tag);
-                    }
-                    break;
-                }
-                case EVENT_SAMPLE_INTERVAL_ELAPSED: {
-                    handleNetworkSamplingTimeout();
-                    break;
-                }
                 case EVENT_PROXY_HAS_CHANGED: {
                     handleApplyDefaultProxy((ProxyInfo)msg.obj);
                     break;
@@ -3067,14 +2863,6 @@
         }
     }
 
-    public void supplyMessenger(int networkType, Messenger messenger) {
-        enforceConnectivityInternalPermission();
-
-        if (isNetworkTypeValid(networkType) && mNetTrackers[networkType] != null) {
-            mNetTrackers[networkType].supplyMessenger(messenger);
-        }
-    }
-
     public int findConnectionTypeForIface(String iface) {
         enforceConnectivityInternalPermission();
 
@@ -3092,23 +2880,6 @@
         return ConnectivityManager.TYPE_NONE;
     }
 
-    /**
-     * Have mobile data fail fast if enabled.
-     *
-     * @param enabled DctConstants.ENABLED/DISABLED
-     */
-    private void setEnableFailFastMobileData(int enabled) {
-        int tag;
-
-        if (enabled == DctConstants.ENABLED) {
-            tag = mEnableFailFastMobileDataTag.incrementAndGet();
-        } else {
-            tag = mEnableFailFastMobileDataTag.get();
-        }
-        mHandler.sendMessage(mHandler.obtainMessage(EVENT_ENABLE_FAIL_FAST_MOBILE_DATA, tag,
-                         enabled));
-    }
-
     @Override
     public int checkMobileProvisioning(int suggestedTimeOutMs) {
         // TODO: Remove?  Any reason to trigger a provisioning check?
@@ -3393,69 +3164,6 @@
         }
     };
 
-    /* Infrastructure for network sampling */
-
-    private void handleNetworkSamplingTimeout() {
-
-        if (SAMPLE_DBG) log("Sampling interval elapsed, updating statistics ..");
-
-        // initialize list of interfaces ..
-        Map<String, SamplingDataTracker.SamplingSnapshot> mapIfaceToSample =
-                new HashMap<String, SamplingDataTracker.SamplingSnapshot>();
-        for (NetworkStateTracker tracker : mNetTrackers) {
-            if (tracker != null) {
-                String ifaceName = tracker.getNetworkInterfaceName();
-                if (ifaceName != null) {
-                    mapIfaceToSample.put(ifaceName, null);
-                }
-            }
-        }
-
-        // Read samples for all interfaces
-        SamplingDataTracker.getSamplingSnapshots(mapIfaceToSample);
-
-        // process samples for all networks
-        for (NetworkStateTracker tracker : mNetTrackers) {
-            if (tracker != null) {
-                String ifaceName = tracker.getNetworkInterfaceName();
-                SamplingDataTracker.SamplingSnapshot ss = mapIfaceToSample.get(ifaceName);
-                if (ss != null) {
-                    // end the previous sampling cycle
-                    tracker.stopSampling(ss);
-                    // start a new sampling cycle ..
-                    tracker.startSampling(ss);
-                }
-            }
-        }
-
-        if (SAMPLE_DBG) log("Done.");
-
-        int samplingIntervalInSeconds = Settings.Global.getInt(mContext.getContentResolver(),
-                Settings.Global.CONNECTIVITY_SAMPLING_INTERVAL_IN_SECONDS,
-                DEFAULT_SAMPLING_INTERVAL_IN_SECONDS);
-
-        if (SAMPLE_DBG) {
-            log("Setting timer for " + String.valueOf(samplingIntervalInSeconds) + "seconds");
-        }
-
-        setAlarm(samplingIntervalInSeconds * 1000, mSampleIntervalElapsedIntent);
-    }
-
-    /**
-     * Sets a network sampling alarm.
-     */
-    void setAlarm(int timeoutInMilliseconds, PendingIntent intent) {
-        long wakeupTime = SystemClock.elapsedRealtime() + timeoutInMilliseconds;
-        int alarmType;
-        if (Resources.getSystem().getBoolean(
-                R.bool.config_networkSamplingWakesDevice)) {
-            alarmType = AlarmManager.ELAPSED_REALTIME_WAKEUP;
-        } else {
-            alarmType = AlarmManager.ELAPSED_REALTIME;
-        }
-        mAlarmManager.set(alarmType, wakeupTime, intent);
-    }
-
     private final HashMap<Messenger, NetworkFactoryInfo> mNetworkFactoryInfos =
             new HashMap<Messenger, NetworkFactoryInfo>();
     private final HashMap<NetworkRequest, NetworkRequestInfo> mNetworkRequests =
diff --git a/services/tests/servicestests/src/com/android/server/ConnectivityServiceTest.java b/services/tests/servicestests/src/com/android/server/ConnectivityServiceTest.java
index beb353a..c198900 100644
--- a/services/tests/servicestests/src/com/android/server/ConnectivityServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/ConnectivityServiceTest.java
@@ -20,7 +20,6 @@
 import static android.net.ConnectivityManager.TYPE_MOBILE;
 import static android.net.ConnectivityManager.TYPE_WIFI;
 import static android.net.ConnectivityManager.getNetworkTypeName;
-import static android.net.NetworkStateTracker.EVENT_STATE_CHANGED;
 import static org.mockito.Matchers.anyInt;
 import static org.mockito.Matchers.eq;
 import static org.mockito.Matchers.isA;