resolved conflicts for merge of b40ecd6c to master

Change-Id: I08fc7881010083407a102f471483cd6d5b9774b4
diff --git a/core/java/android/net/ConnectivityManager.java b/core/java/android/net/ConnectivityManager.java
index 1cfe419..dd9c8f0 100644
--- a/core/java/android/net/ConnectivityManager.java
+++ b/core/java/android/net/ConnectivityManager.java
@@ -264,6 +264,24 @@
         }
     }
 
+    /** @hide */
+    public LinkProperties getActiveLinkProperties() {
+        try {
+            return mService.getActiveLinkProperties();
+        } catch (RemoteException e) {
+            return null;
+        }
+    }
+
+    /** @hide */
+    public LinkProperties getLinkProperties(int networkType) {
+        try {
+            return mService.getLinkProperties(networkType);
+        } catch (RemoteException e) {
+            return null;
+        }
+    }
+
     /** {@hide} */
     public boolean setRadios(boolean turnOn) {
         try {
@@ -367,14 +385,14 @@
      * <p>
      * All applications that have background services that use the network
      * should listen to {@link #ACTION_BACKGROUND_DATA_SETTING_CHANGED}.
-     * 
+     *
      * @return Whether background data usage is allowed.
      */
     public boolean getBackgroundDataSetting() {
         try {
             return mService.getBackgroundDataSetting();
         } catch (RemoteException e) {
-            // Err on the side of safety 
+            // Err on the side of safety
             return false;
         }
     }
@@ -532,6 +550,17 @@
         }
     }
 
+    /**
+     * {@hide}
+     */
+    public String[] getTetherableBluetoothRegexs() {
+        try {
+            return mService.getTetherableBluetoothRegexs();
+        } catch (RemoteException e) {
+            return new String[0];
+        }
+    }
+
     /** {@hide} */
     public static final int TETHER_ERROR_NO_ERROR           = 0;
     /** {@hide} */
@@ -570,6 +599,21 @@
     }
 
     /**
+     * Ensure the device stays awake until we connect with the next network
+     * @param forWhome The name of the network going down for logging purposes
+     * @return {@code true} on success, {@code false} on failure
+     * {@hide}
+     */
+    public boolean requestNetworkTransitionWakelock(String forWhom) {
+        try {
+            mService.requestNetworkTransitionWakelock(forWhom);
+            return true;
+        } catch (RemoteException e) {
+            return false;
+        }
+    }
+
+    /**
      * @param networkType The type of network you want to report on
      * @param percentage The quality of the connection 0 is bad, 100 is good
      * {@hide}
diff --git a/core/java/android/net/DhcpInfo.java b/core/java/android/net/DhcpInfo.java
index 1178bec..9c81c19 100644
--- a/core/java/android/net/DhcpInfo.java
+++ b/core/java/android/net/DhcpInfo.java
@@ -37,6 +37,19 @@
         super();
     }
 
+    /** copy constructor {@hide} */
+    public DhcpInfo(DhcpInfo source) {
+        if (source != null) {
+            ipAddress = source.ipAddress;
+            gateway = source.gateway;
+            netmask = source.netmask;
+            dns1 = source.dns1;
+            dns2 = source.dns2;
+            serverAddress = source.serverAddress;
+            leaseDuration = source.leaseDuration;
+        }
+    }
+
     public String toString() {
         StringBuffer str = new StringBuffer();
 
diff --git a/core/java/android/net/IConnectivityManager.aidl b/core/java/android/net/IConnectivityManager.aidl
index afccdd9..35054d6 100644
--- a/core/java/android/net/IConnectivityManager.aidl
+++ b/core/java/android/net/IConnectivityManager.aidl
@@ -1,21 +1,22 @@
 /**
  * Copyright (c) 2008, 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 
+ * 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 
+ *     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 
+ * 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.LinkProperties;
 import android.net.NetworkInfo;
 import android.os.IBinder;
 
@@ -36,6 +37,10 @@
 
     NetworkInfo[] getAllNetworkInfo();
 
+    LinkProperties getActiveLinkProperties();
+
+    LinkProperties getLinkProperties(int networkType);
+
     boolean setRadios(boolean onOff);
 
     boolean setRadio(int networkType, boolean turnOn);
@@ -75,5 +80,9 @@
 
     String[] getTetherableWifiRegexs();
 
+    String[] getTetherableBluetoothRegexs();
+
+    void requestNetworkTransitionWakelock(in String forWhom);
+
     void reportInetCondition(int networkType, int percentage);
 }
diff --git a/core/java/android/net/LinkProperties.java b/core/java/android/net/LinkProperties.java
new file mode 100644
index 0000000..f411eac
--- /dev/null
+++ b/core/java/android/net/LinkProperties.java
@@ -0,0 +1,205 @@
+/*
+ * Copyright (C) 2010 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.ProxyProperties;
+import android.os.Parcelable;
+import android.os.Parcel;
+import android.util.Log;
+
+import java.net.InetAddress;
+import java.net.NetworkInterface;
+import java.net.SocketException;
+import java.net.UnknownHostException;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+
+/**
+ * Describes the properties of a network link.
+ * TODO - consider adding optional fields like Apn and ApnType
+ * @hide
+ */
+public class LinkProperties implements Parcelable {
+
+    private NetworkInterface mIface;
+    private Collection<InetAddress> mAddresses;
+    private Collection<InetAddress> mDnses;
+    private InetAddress mGateway;
+    private ProxyProperties mHttpProxy;
+
+    public LinkProperties() {
+        clear();
+    }
+
+    // copy constructor instead of clone
+    public LinkProperties(LinkProperties source) {
+        if (source != null) {
+            mIface = source.getInterface();
+            mAddresses = source.getAddresses();
+            mDnses = source.getDnses();
+            mGateway = source.getGateway();
+            mHttpProxy = new ProxyProperties(source.getHttpProxy());
+        }
+    }
+
+    public void setInterface(NetworkInterface iface) {
+        mIface = iface;
+    }
+    public NetworkInterface getInterface() {
+        return mIface;
+    }
+    public String getInterfaceName() {
+        return (mIface == null ? null : mIface.getName());
+    }
+
+    public void addAddress(InetAddress address) {
+        mAddresses.add(address);
+    }
+    public Collection<InetAddress> getAddresses() {
+        return Collections.unmodifiableCollection(mAddresses);
+    }
+
+    public void addDns(InetAddress dns) {
+        mDnses.add(dns);
+    }
+    public Collection<InetAddress> getDnses() {
+        return Collections.unmodifiableCollection(mDnses);
+    }
+
+    public void setGateway(InetAddress gateway) {
+        mGateway = gateway;
+    }
+    public InetAddress getGateway() {
+        return mGateway;
+    }
+
+    public void setHttpProxy(ProxyProperties proxy) {
+        mHttpProxy = proxy;
+    }
+    public ProxyProperties getHttpProxy() {
+        return mHttpProxy;
+    }
+
+    public void clear() {
+        mIface = null;
+        mAddresses = new ArrayList<InetAddress>();
+        mDnses = new ArrayList<InetAddress>();
+        mGateway = null;
+        mHttpProxy = null;
+    }
+
+    /**
+     * Implement the Parcelable interface
+     * @hide
+     */
+    public int describeContents() {
+        return 0;
+    }
+
+    @Override
+    public String toString() {
+        String ifaceName = (mIface == null ? "" : "InterfaceName: " + mIface.getName() + " ");
+
+        String ip = "IpAddresses: [";
+        for (InetAddress addr : mAddresses) ip +=  addr.getHostAddress() + ",";
+        ip += "] ";
+
+        String dns = "DnsAddresses: [";
+        for (InetAddress addr : mDnses) dns += addr.getHostAddress() + ",";
+        dns += "] ";
+
+        String proxy = (mHttpProxy == null ? "" : "HttpProxy: " + mHttpProxy.toString() + " ");
+        String gateway = (mGateway == null ? "" : "Gateway: " + mGateway.getHostAddress() + " ");
+
+        return ifaceName + ip + gateway + dns + proxy;
+    }
+
+    /**
+     * Implement the Parcelable interface.
+     * @hide
+     */
+    public void writeToParcel(Parcel dest, int flags) {
+        dest.writeString(getInterfaceName());
+        dest.writeInt(mAddresses.size());
+        //TODO: explore an easy alternative to preserve hostname
+        // without doing a lookup
+        for(InetAddress a : mAddresses) {
+            dest.writeByteArray(a.getAddress());
+        }
+        dest.writeInt(mDnses.size());
+        for(InetAddress d : mDnses) {
+            dest.writeByteArray(d.getAddress());
+        }
+        if (mGateway != null) {
+            dest.writeByte((byte)1);
+            dest.writeByteArray(mGateway.getAddress());
+        } else {
+            dest.writeByte((byte)0);
+        }
+        if (mHttpProxy != null) {
+            dest.writeByte((byte)1);
+            dest.writeParcelable(mHttpProxy, flags);
+        } else {
+            dest.writeByte((byte)0);
+        }
+    }
+
+    /**
+     * Implement the Parcelable interface.
+     * @hide
+     */
+    public static final Creator<LinkProperties> CREATOR =
+        new Creator<LinkProperties>() {
+            public LinkProperties createFromParcel(Parcel in) {
+                LinkProperties netProp = new LinkProperties();
+                String iface = in.readString();
+                if (iface != null) {
+                    try {
+                        netProp.setInterface(NetworkInterface.getByName(iface));
+                    } catch (Exception e) {
+                        return null;
+                    }
+                }
+                int addressCount = in.readInt();
+                for (int i=0; i<addressCount; i++) {
+                    try {
+                        netProp.addAddress(InetAddress.getByAddress(in.createByteArray()));
+                    } catch (UnknownHostException e) { }
+                }
+                addressCount = in.readInt();
+                for (int i=0; i<addressCount; i++) {
+                    try {
+                        netProp.addDns(InetAddress.getByAddress(in.createByteArray()));
+                    } catch (UnknownHostException e) { }
+                }
+                if (in.readByte() == 1) {
+                    try {
+                        netProp.setGateway(InetAddress.getByAddress(in.createByteArray()));
+                    } catch (UnknownHostException e) {}
+                }
+                if (in.readByte() == 1) {
+                    netProp.setHttpProxy((ProxyProperties)in.readParcelable(null));
+                }
+                return netProp;
+            }
+
+            public LinkProperties[] newArray(int size) {
+                return new LinkProperties[size];
+            }
+        };
+}
diff --git a/core/java/android/net/NetworkInfo.java b/core/java/android/net/NetworkInfo.java
index 649cb8c..5f5e11c 100644
--- a/core/java/android/net/NetworkInfo.java
+++ b/core/java/android/net/NetworkInfo.java
@@ -97,7 +97,7 @@
         stateMap.put(DetailedState.DISCONNECTED, State.DISCONNECTED);
         stateMap.put(DetailedState.FAILED, State.DISCONNECTED);
     }
-    
+
     private int mNetworkType;
     private int mSubtype;
     private String mTypeName;
@@ -121,7 +121,10 @@
      */
     public NetworkInfo(int type) {}
 
-    NetworkInfo(int type, int subtype, String typeName, String subtypeName) {
+    /**
+     * @hide
+     */
+    public NetworkInfo(int type, int subtype, String typeName, String subtypeName) {
         if (!ConnectivityManager.isNetworkTypeValid(type)) {
             throw new IllegalArgumentException("Invalid network type: " + type);
         }
@@ -141,7 +144,9 @@
      * @return the network type
      */
     public int getType() {
-        return mNetworkType;
+        synchronized (this) {
+            return mNetworkType;
+        }
     }
 
     /**
@@ -150,12 +155,16 @@
      * @return the network subtype
      */
     public int getSubtype() {
-        return mSubtype;
+        synchronized (this) {
+            return mSubtype;
+        }
     }
 
     void setSubtype(int subtype, String subtypeName) {
-        mSubtype = subtype;
-        mSubtypeName = subtypeName;
+        synchronized (this) {
+            mSubtype = subtype;
+            mSubtypeName = subtypeName;
+        }
     }
 
     /**
@@ -164,7 +173,9 @@
      * @return the name of the network type
      */
     public String getTypeName() {
-        return mTypeName;
+        synchronized (this) {
+            return mTypeName;
+        }
     }
 
     /**
@@ -172,7 +183,9 @@
      * @return the name of the network subtype
      */
     public String getSubtypeName() {
-        return mSubtypeName;
+        synchronized (this) {
+            return mSubtypeName;
+        }
     }
 
     /**
@@ -185,7 +198,9 @@
      * of being established, {@code false} otherwise.
      */
     public boolean isConnectedOrConnecting() {
-        return mState == State.CONNECTED || mState == State.CONNECTING;
+        synchronized (this) {
+            return mState == State.CONNECTED || mState == State.CONNECTING;
+        }
     }
 
     /**
@@ -194,7 +209,9 @@
      * @return {@code true} if network connectivity exists, {@code false} otherwise.
      */
     public boolean isConnected() {
-        return mState == State.CONNECTED;
+        synchronized (this) {
+            return mState == State.CONNECTED;
+        }
     }
 
     /**
@@ -210,7 +227,9 @@
      * @return {@code true} if the network is available, {@code false} otherwise
      */
     public boolean isAvailable() {
-        return mIsAvailable;
+        synchronized (this) {
+            return mIsAvailable;
+        }
     }
 
     /**
@@ -220,7 +239,9 @@
      * @hide
      */
     public void setIsAvailable(boolean isAvailable) {
-        mIsAvailable = isAvailable;
+        synchronized (this) {
+            mIsAvailable = isAvailable;
+        }
     }
 
     /**
@@ -231,7 +252,9 @@
      * otherwise.
      */
     public boolean isFailover() {
-        return mIsFailover;
+        synchronized (this) {
+            return mIsFailover;
+        }
     }
 
     /**
@@ -241,7 +264,9 @@
      * @hide
      */
     public void setFailover(boolean isFailover) {
-        mIsFailover = isFailover;
+        synchronized (this) {
+            mIsFailover = isFailover;
+        }
     }
 
     /**
@@ -251,11 +276,15 @@
      * @return {@code true} if roaming is in effect, {@code false} otherwise.
      */
     public boolean isRoaming() {
-        return mIsRoaming;
+        synchronized (this) {
+            return mIsRoaming;
+        }
     }
 
     void setRoaming(boolean isRoaming) {
-        mIsRoaming = isRoaming;
+        synchronized (this) {
+            mIsRoaming = isRoaming;
+        }
     }
 
     /**
@@ -263,7 +292,9 @@
      * @return the coarse-grained state
      */
     public State getState() {
-        return mState;
+        synchronized (this) {
+            return mState;
+        }
     }
 
     /**
@@ -271,7 +302,9 @@
      * @return the fine-grained state
      */
     public DetailedState getDetailedState() {
-        return mDetailedState;
+        synchronized (this) {
+            return mDetailedState;
+        }
     }
 
     /**
@@ -281,12 +314,15 @@
      * if one was supplied. May be {@code null}.
      * @param extraInfo an optional {@code String} providing addditional network state
      * information passed up from the lower networking layers.
+     * @hide
      */
-    void setDetailedState(DetailedState detailedState, String reason, String extraInfo) {
-        this.mDetailedState = detailedState;
-        this.mState = stateMap.get(detailedState);
-        this.mReason = reason;
-        this.mExtraInfo = extraInfo;
+    public void setDetailedState(DetailedState detailedState, String reason, String extraInfo) {
+        synchronized (this) {
+            this.mDetailedState = detailedState;
+            this.mState = stateMap.get(detailedState);
+            this.mReason = reason;
+            this.mExtraInfo = extraInfo;
+        }
     }
 
     /**
@@ -295,7 +331,9 @@
      * @return the reason for failure, or null if not available
      */
     public String getReason() {
-        return mReason;
+        synchronized (this) {
+            return mReason;
+        }
     }
 
     /**
@@ -305,20 +343,24 @@
      * @return the extra information, or null if not available
      */
     public String getExtraInfo() {
-        return mExtraInfo;
+        synchronized (this) {
+            return mExtraInfo;
+        }
     }
 
     @Override
     public String toString() {
-        StringBuilder builder = new StringBuilder("NetworkInfo: ");
-        builder.append("type: ").append(getTypeName()).append("[").append(getSubtypeName()).
-                append("], state: ").append(mState).append("/").append(mDetailedState).
-                append(", reason: ").append(mReason == null ? "(unspecified)" : mReason).
-                append(", extra: ").append(mExtraInfo == null ? "(none)" : mExtraInfo).
-                append(", roaming: ").append(mIsRoaming).
-                append(", failover: ").append(mIsFailover).
-                append(", isAvailable: ").append(mIsAvailable);
-        return builder.toString();
+        synchronized (this) {
+            StringBuilder builder = new StringBuilder("NetworkInfo: ");
+            builder.append("type: ").append(getTypeName()).append("[").append(getSubtypeName()).
+            append("], state: ").append(mState).append("/").append(mDetailedState).
+            append(", reason: ").append(mReason == null ? "(unspecified)" : mReason).
+            append(", extra: ").append(mExtraInfo == null ? "(none)" : mExtraInfo).
+            append(", roaming: ").append(mIsRoaming).
+            append(", failover: ").append(mIsFailover).
+            append(", isAvailable: ").append(mIsAvailable);
+            return builder.toString();
+        }
     }
 
     /**
@@ -334,17 +376,19 @@
      * @hide
      */
     public void writeToParcel(Parcel dest, int flags) {
-        dest.writeInt(mNetworkType);
-        dest.writeInt(mSubtype);
-        dest.writeString(mTypeName);
-        dest.writeString(mSubtypeName);
-        dest.writeString(mState.name());
-        dest.writeString(mDetailedState.name());
-        dest.writeInt(mIsFailover ? 1 : 0);
-        dest.writeInt(mIsAvailable ? 1 : 0);
-        dest.writeInt(mIsRoaming ? 1 : 0);
-        dest.writeString(mReason);
-        dest.writeString(mExtraInfo);
+        synchronized (this) {
+            dest.writeInt(mNetworkType);
+            dest.writeInt(mSubtype);
+            dest.writeString(mTypeName);
+            dest.writeString(mSubtypeName);
+            dest.writeString(mState.name());
+            dest.writeString(mDetailedState.name());
+            dest.writeInt(mIsFailover ? 1 : 0);
+            dest.writeInt(mIsAvailable ? 1 : 0);
+            dest.writeInt(mIsRoaming ? 1 : 0);
+            dest.writeString(mReason);
+            dest.writeString(mExtraInfo);
+        }
     }
 
     /**
diff --git a/core/java/android/net/NetworkUtils.java b/core/java/android/net/NetworkUtils.java
index 5d4b099..01004c2 100644
--- a/core/java/android/net/NetworkUtils.java
+++ b/core/java/android/net/NetworkUtils.java
@@ -52,7 +52,11 @@
           int prefixLength, String gw);
 
     /** Return the gateway address for the default route for the named interface. */
-    public native static int getDefaultRoute(String interfaceName);
+    public static InetAddress getDefaultRoute(String interfaceName) {
+        int addr = getDefaultRouteNative(interfaceName);
+        return intToInetAddress(addr);
+    }
+    private native static int getDefaultRouteNative(String interfaceName);
 
     /** Remove host routes that uses the named interface. */
     public native static int removeHostRoutes(String interfaceName);
@@ -194,19 +198,4 @@
         }
         return addRoute(interfaceName, dstStr, prefixLength, gwStr) == 0;
     }
-
-    public static int v4StringToInt(String str) {
-        int result = 0;
-        String[] array = str.split("\\.");
-        if (array.length != 4) return 0;
-        try {
-            result = Integer.parseInt(array[3]);
-            result = (result << 8) + Integer.parseInt(array[2]);
-            result = (result << 8) + Integer.parseInt(array[1]);
-            result = (result << 8) + Integer.parseInt(array[0]);
-        } catch (NumberFormatException e) {
-            return 0;
-        }
-        return result;
-    }
 }
diff --git a/core/java/android/net/ProxyProperties.java b/core/java/android/net/ProxyProperties.java
new file mode 100644
index 0000000..140b71f
--- /dev/null
+++ b/core/java/android/net/ProxyProperties.java
@@ -0,0 +1,126 @@
+/*
+ * Copyright (C) 2010 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.os.Parcel;
+import android.os.Parcelable;
+
+import java.net.InetAddress;
+import java.net.InetSocketAddress;
+import java.net.UnknownHostException;
+
+/**
+ * A container class for the http proxy info
+ * @hide
+ */
+public class ProxyProperties implements Parcelable {
+
+    private InetSocketAddress mProxy;
+    private String mExclusionList;
+
+    public ProxyProperties() {
+    }
+
+    // copy constructor instead of clone
+    public ProxyProperties(ProxyProperties source) {
+        if (source != null) {
+            mProxy = source.getSocketAddress();
+            String exclusionList = source.getExclusionList();
+            if (exclusionList != null) {
+                mExclusionList = new String(exclusionList);
+            }
+        }
+    }
+
+    public InetSocketAddress getSocketAddress() {
+        return mProxy;
+    }
+
+    public void setSocketAddress(InetSocketAddress proxy) {
+        mProxy = proxy;
+    }
+
+    public String getExclusionList() {
+        return mExclusionList;
+    }
+
+    public void setExclusionList(String exclusionList) {
+        mExclusionList = exclusionList;
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder();
+        if (mProxy != null) {
+            sb.append(mProxy.toString());
+            if (mExclusionList != null) {
+                    sb.append(" xl=").append(mExclusionList);
+            }
+        }
+        return sb.toString();
+    }
+
+    /**
+     * Implement the Parcelable interface
+     * @hide
+     */
+    public int describeContents() {
+        return 0;
+    }
+
+    /**
+     * Implement the Parcelable interface.
+     * @hide
+     */
+    public void writeToParcel(Parcel dest, int flags) {
+        if (mProxy != null) {
+            InetAddress addr = mProxy.getAddress();
+            if (addr != null) {
+                dest.writeByte((byte)1);
+                dest.writeByteArray(addr.getAddress());
+                dest.writeInt(mProxy.getPort());
+            }
+        } else {
+            dest.writeByte((byte)0);
+        }
+        dest.writeString(mExclusionList);
+    }
+
+    /**
+     * Implement the Parcelable interface.
+     * @hide
+     */
+    public static final Creator<ProxyProperties> CREATOR =
+        new Creator<ProxyProperties>() {
+            public ProxyProperties createFromParcel(Parcel in) {
+                ProxyProperties proxyProperties = new ProxyProperties();
+                if (in.readByte() == 1) {
+                    try {
+                        InetAddress addr = InetAddress.getByAddress(in.createByteArray());
+                        proxyProperties.setSocketAddress(new InetSocketAddress(addr, in.readInt()));
+                    } catch (UnknownHostException e) { }
+                }
+                proxyProperties.setExclusionList(in.readString());
+                return proxyProperties;
+            }
+
+            public ProxyProperties[] newArray(int size) {
+                return new ProxyProperties[size];
+            }
+        };
+}
diff --git a/core/jni/android_net_NetUtils.cpp b/core/jni/android_net_NetUtils.cpp
index 6575b9a..351f264 100644
--- a/core/jni/android_net_NetUtils.cpp
+++ b/core/jni/android_net_NetUtils.cpp
@@ -224,7 +224,8 @@
     { "addRoute", "(Ljava/lang/String;Ljava/lang/String;ILjava/lang/String;)I",
        (void *)android_net_utils_addRoute },
     { "removeHostRoutes", "(Ljava/lang/String;)I",  (void *)android_net_utils_removeHostRoutes },
-    { "getDefaultRoute", "(Ljava/lang/String;)I",  (void *)android_net_utils_getDefaultRoute },
+    { "getDefaultRouteNative", "(Ljava/lang/String;)I",
+       (void *)android_net_utils_getDefaultRoute },
     { "removeDefaultRoute", "(Ljava/lang/String;)I",  (void *)android_net_utils_removeDefaultRoute },
     { "resetConnections", "(Ljava/lang/String;)I",  (void *)android_net_utils_resetConnections },
     { "runDhcp", "(Ljava/lang/String;Landroid/net/DhcpInfo;)Z",  (void *)android_net_utils_runDhcp },
diff --git a/services/java/com/android/server/ConnectivityService.java b/services/java/com/android/server/ConnectivityService.java
index a0615ef..6095117 100644
--- a/services/java/com/android/server/ConnectivityService.java
+++ b/services/java/com/android/server/ConnectivityService.java
@@ -26,14 +26,18 @@
 import android.net.IConnectivityManager;
 import android.net.MobileDataStateTracker;
 import android.net.NetworkInfo;
+import android.net.LinkProperties;
 import android.net.NetworkStateTracker;
 import android.net.NetworkUtils;
 import android.net.wifi.WifiStateTracker;
+import android.net.NetworkUtils;
 import android.os.Binder;
 import android.os.Handler;
+import android.os.HandlerThread;
 import android.os.IBinder;
 import android.os.Looper;
 import android.os.Message;
+import android.os.PowerManager;
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.os.SystemProperties;
@@ -47,8 +51,13 @@
 import com.android.server.connectivity.Tethering;
 
 import java.io.FileDescriptor;
+import java.io.FileWriter;
+import java.io.IOException;
 import java.io.PrintWriter;
+import java.net.InetAddress;
+import java.net.UnknownHostException;
 import java.util.ArrayList;
+import java.util.Collection;
 import java.util.GregorianCalendar;
 import java.util.List;
 import java.net.InetAddress;
@@ -68,7 +77,6 @@
     private static final String NETWORK_RESTORE_DELAY_PROP_NAME =
             "android.telephony.apn-restore";
 
-
     private Tethering mTethering;
     private boolean mTetheringConfigValid = false;
 
@@ -85,6 +93,8 @@
      */
     private List mNetRequestersPids[];
 
+    private WifiWatchdogService mWifiWatchdogService;
+
     // priority order of the nettrackers
     // (excluding dynamically set mNetworkPreference)
     // TODO - move mNetworkTypePreference into this
@@ -162,6 +172,13 @@
     private static final int EVENT_SET_MOBILE_DATA =
             MAX_NETWORK_STATE_TRACKER_EVENT + 7;
 
+    /**
+     * used internally to clear a wakelock when transitioning
+     * from one net to another
+     */
+    private static final int EVENT_CLEAR_NET_TRANSITION_WAKELOCK =
+            MAX_NETWORK_STATE_TRACKER_EVENT + 8;
+
     private Handler mHandler;
 
     // list of DeathRecipients used to make sure features are turned off when
@@ -171,6 +188,13 @@
     private boolean mSystemReady;
     private Intent mInitialBroadcast;
 
+    private PowerManager.WakeLock mNetTransitionWakeLock;
+    private String mNetTransitionWakeLockCausedBy = "";
+    private int mNetTransitionWakeLockSerialNumber;
+    private int mNetTransitionWakeLockTimeout;
+
+    private InetAddress mDefaultDns;
+
     // used in DBG mode to track inet condition reports
     private static final int INET_CONDITION_LOG_MAX_SIZE = 15;
     private ArrayList mInetLog;
@@ -210,52 +234,20 @@
     }
     RadioAttributes[] mRadioAttributes;
 
-    private static class ConnectivityThread extends Thread {
-        private Context mContext;
-
-        private ConnectivityThread(Context context) {
-            super("ConnectivityThread");
-            mContext = context;
+    public static synchronized ConnectivityService getInstance(Context context) {
+        if (sServiceInstance == null) {
+            sServiceInstance = new ConnectivityService(context);
         }
-
-        @Override
-        public void run() {
-            Looper.prepare();
-            synchronized (this) {
-                sServiceInstance = new ConnectivityService(mContext);
-                notifyAll();
-            }
-            Looper.loop();
-        }
-
-        public static ConnectivityService getServiceInstance(Context context) {
-            ConnectivityThread thread = new ConnectivityThread(context);
-            thread.start();
-
-            synchronized (thread) {
-                while (sServiceInstance == null) {
-                    try {
-                        // Wait until sServiceInstance has been initialized.
-                        thread.wait();
-                    } catch (InterruptedException ignore) {
-                        Slog.e(TAG,
-                            "Unexpected InterruptedException while waiting"+
-                            " for ConnectivityService thread");
-                    }
-                }
-            }
-
-            return sServiceInstance;
-        }
-    }
-
-    public static ConnectivityService getInstance(Context context) {
-        return ConnectivityThread.getServiceInstance(context);
+        return sServiceInstance;
     }
 
     private ConnectivityService(Context context) {
         if (DBG) Slog.v(TAG, "ConnectivityService starting up");
 
+        HandlerThread handlerThread = new HandlerThread("ConnectivityServiceThread");
+        handlerThread.start();
+        mHandler = new MyHandler(handlerThread.getLooper());
+
         // setup our unique device name
         String id = Settings.Secure.getString(context.getContentResolver(),
                 Settings.Secure.ANDROID_ID);
@@ -264,10 +256,28 @@
             SystemProperties.set("net.hostname", name);
         }
 
+        // read our default dns server ip
+        String dns = Settings.Secure.getString(context.getContentResolver(),
+                Settings.Secure.DEFAULT_DNS_SERVER);
+        if (dns == null || dns.length() == 0) {
+            dns = context.getResources().getString(
+                    com.android.internal.R.string.config_default_dns_server);
+        }
+        try {
+            mDefaultDns = InetAddress.getByName(dns);
+        } catch (UnknownHostException e) {
+            Slog.e(TAG, "Error setting defaultDns using " + dns);
+        }
+
         mContext = context;
+
+        PowerManager powerManager = (PowerManager)mContext.getSystemService(Context.POWER_SERVICE);
+        mNetTransitionWakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, TAG);
+        mNetTransitionWakeLockTimeout = mContext.getResources().getInteger(
+                com.android.internal.R.integer.config_networkTransitionTimeout);
+
         mNetTrackers = new NetworkStateTracker[
                 ConnectivityManager.MAX_NETWORK_TYPE+1];
-        mHandler = new MyHandler();
 
         mNetworkPreference = getPersistedNetworkPreference();
 
@@ -364,18 +374,21 @@
             switch (mNetAttributes[netType].mRadio) {
             case ConnectivityManager.TYPE_WIFI:
                 if (DBG) Slog.v(TAG, "Starting Wifi Service.");
-                WifiStateTracker wst = new WifiStateTracker(context, mHandler);
-                WifiService wifiService = new WifiService(context, wst);
+                WifiStateTracker wst = new WifiStateTracker();
+                WifiService wifiService = new WifiService(context);
                 ServiceManager.addService(Context.WIFI_SERVICE, wifiService);
-                wifiService.startWifi();
+                wifiService.checkAndStartWifi();
                 mNetTrackers[ConnectivityManager.TYPE_WIFI] = wst;
-                wst.startMonitoring();
+                wst.startMonitoring(context, mHandler);
+
+                //TODO: as part of WWS refactor, create only when needed
+                mWifiWatchdogService = new WifiWatchdogService(context);
 
                 break;
             case ConnectivityManager.TYPE_MOBILE:
-                mNetTrackers[netType] = new MobileDataStateTracker(context, mHandler,
-                    netType, mNetAttributes[netType].mName);
-                mNetTrackers[netType].startMonitoring();
+                mNetTrackers[netType] = new MobileDataStateTracker(netType,
+                        mNetAttributes[netType].mName);
+                mNetTrackers[netType].startMonitoring(context, mHandler);
                 if (noMobileData) {
                     if (DBG) Slog.d(TAG, "tearing down Mobile networks due to setting");
                     mNetTrackers[netType].teardown();
@@ -392,7 +405,8 @@
         mTetheringConfigValid = (((mNetTrackers[ConnectivityManager.TYPE_MOBILE_DUN] != null) ||
                                   !mTethering.isDunRequired()) &&
                                  (mTethering.getTetherableUsbRegexs().length != 0 ||
-                                  mTethering.getTetherableWifiRegexs().length != 0) &&
+                                  mTethering.getTetherableWifiRegexs().length != 0 ||
+                                  mTethering.getTetherableBluetoothRegexs().length != 0) &&
                                  mTethering.getUpstreamIfaceRegexs().length != 0);
 
         if (DBG) {
@@ -528,6 +542,38 @@
         return result;
     }
 
+    /**
+     * Return LinkProperties for the active (i.e., connected) default
+     * network interface.  It is assumed that at most one default network
+     * is active at a time. If more than one is active, it is indeterminate
+     * which will be returned.
+     * @return the ip properties for the active network, or {@code null} if
+     * none is active
+     */
+    public LinkProperties getActiveLinkProperties() {
+        enforceAccessPermission();
+        for (int type=0; type <= ConnectivityManager.MAX_NETWORK_TYPE; type++) {
+            if (mNetAttributes[type] == null || !mNetAttributes[type].isDefault()) {
+                continue;
+            }
+            NetworkStateTracker t = mNetTrackers[type];
+            NetworkInfo info = t.getNetworkInfo();
+            if (info.isConnected()) {
+                return t.getLinkProperties();
+            }
+        }
+        return null;
+    }
+
+    public LinkProperties getLinkProperties(int networkType) {
+        enforceAccessPermission();
+        if (ConnectivityManager.isNetworkTypeValid(networkType)) {
+            NetworkStateTracker t = mNetTrackers[networkType];
+            if (t != null) return t.getLinkProperties();
+        }
+        return null;
+    }
+
     public boolean setRadios(boolean turnOn) {
         boolean result = true;
         enforceChangePermission();
@@ -676,14 +722,7 @@
                 network.reconnect();
                 return Phone.APN_REQUEST_STARTED;
             } else {
-                synchronized(this) {
-                    mFeatureUsers.add(f);
-                }
-                mHandler.sendMessageDelayed(mHandler.obtainMessage(EVENT_RESTORE_DEFAULT_NETWORK,
-                        f), getRestoreDefaultNetworkDelay());
-
-                return network.startUsingNetworkFeature(feature,
-                        getCallingPid(), getCallingUid());
+                return -1;
             }
         }
         return Phone.APN_TYPE_NOT_AVAILABLE;
@@ -802,8 +841,7 @@
             tracker.teardown();
             return 1;
         } else {
-            // do it the old fashioned way
-            return tracker.stopUsingNetworkFeature(feature, pid, uid);
+            return -1;
         }
     }
 
@@ -852,11 +890,37 @@
             }
             return false;
         }
-
         try {
-            InetAddress inetAddress = InetAddress.getByAddress(hostAddress);
-            return tracker.requestRouteToHost(inetAddress);
-        } catch (UnknownHostException e) {
+            InetAddress addr = InetAddress.getByAddress(hostAddress);
+            return addHostRoute(tracker, addr);
+        } catch (UnknownHostException e) {}
+        return false;
+    }
+
+    /**
+     * Ensure that a network route exists to deliver traffic to the specified
+     * host via the mobile data network.
+     * @param hostAddress the IP address of the host to which the route is desired,
+     * in network byte order.
+     * TODO - deprecate
+     * @return {@code true} on success, {@code false} on failure
+     */
+    private boolean addHostRoute(NetworkStateTracker nt, InetAddress hostAddress) {
+        if (nt.getNetworkInfo().getType() == ConnectivityManager.TYPE_WIFI) {
+            return false;
+        }
+
+        LinkProperties p = nt.getLinkProperties();
+        if (p == null) return false;
+        String interfaceName = p.getInterfaceName();
+
+        if (DBG) {
+            Slog.d(TAG, "Requested host route to " + hostAddress + "(" + interfaceName + ")");
+        }
+        if (interfaceName != null) {
+            return NetworkUtils.addHostRoute(interfaceName, hostAddress, null);
+        } else {
+            if (DBG) Slog.e(TAG, "addHostRoute failed due to null interface name");
             return false;
         }
     }
@@ -975,6 +1039,12 @@
                 "ConnectivityService");
     }
 
+    private void enforceConnectivityInternalPermission() {
+        mContext.enforceCallingOrSelfPermission(
+                android.Manifest.permission.CONNECTIVITY_INTERNAL,
+                "ConnectivityService");
+    }
+
     /**
      * Handle a {@code DISCONNECTED} event. If this pertains to the non-active
      * network, we ignore it. If it is for the active network, we send out a
@@ -1269,9 +1339,17 @@
                         Slog.e(TAG, "Network declined teardown request");
                         return;
                     }
-                    if (isFailover) {
-                        otherNet.releaseWakeLock();
-                    }
+                }
+            }
+            synchronized (ConnectivityService.this) {
+                // have a new default network, release the transition wakelock in a second
+                // if it's held.  The second pause is to allow apps to reconnect over the
+                // new network
+                if (mNetTransitionWakeLock.isHeld()) {
+                    mHandler.sendMessageDelayed(mHandler.obtainMessage(
+                            EVENT_CLEAR_NET_TRANSITION_WAKELOCK,
+                            mNetTransitionWakeLockSerialNumber, 0),
+                            1000);
                 }
             }
             mActiveDefaultNetwork = type;
@@ -1285,36 +1363,14 @@
             //reportNetworkCondition(mActiveDefaultNetwork, 100);
         }
         thisNet.setTeardownRequested(false);
-        thisNet.updateNetworkSettings();
+        updateNetworkSettings(thisNet);
         handleConnectivityChange(type);
         sendConnectedBroadcast(info);
     }
 
-    private void handleScanResultsAvailable(NetworkInfo info) {
-        int networkType = info.getType();
-        if (networkType != ConnectivityManager.TYPE_WIFI) {
-            if (DBG) Slog.v(TAG, "Got ScanResultsAvailable for " +
-                    info.getTypeName() + " network. Don't know how to handle.");
-        }
-
-        mNetTrackers[networkType].interpretScanResultsAvailable();
-    }
-
-    private void handleNotificationChange(boolean visible, int id,
-            Notification notification) {
-        NotificationManager notificationManager = (NotificationManager) mContext
-                .getSystemService(Context.NOTIFICATION_SERVICE);
-
-        if (visible) {
-            notificationManager.notify(id, notification);
-        } else {
-            notificationManager.cancel(id);
-        }
-    }
-
     /**
-     * After a change in the connectivity state of any network, We're mainly
-     * concerned with making sure that the list of DNS servers is setupup
+     * After a change in the connectivity state of a network. We're mainly
+     * concerned with making sure that the list of DNS servers is set up
      * according to which networks are connected, and ensuring that the
      * right routing table entries exist.
      */
@@ -1327,19 +1383,158 @@
 
         if (mNetTrackers[netType].getNetworkInfo().isConnected()) {
             if (mNetAttributes[netType].isDefault()) {
-                mNetTrackers[netType].addDefaultRoute();
+                addDefaultRoute(mNetTrackers[netType]);
             } else {
-                mNetTrackers[netType].addPrivateDnsRoutes();
+                addPrivateDnsRoutes(mNetTrackers[netType]);
             }
         } else {
             if (mNetAttributes[netType].isDefault()) {
-                mNetTrackers[netType].removeDefaultRoute();
+                removeDefaultRoute(mNetTrackers[netType]);
             } else {
-                mNetTrackers[netType].removePrivateDnsRoutes();
+                removePrivateDnsRoutes(mNetTrackers[netType]);
             }
         }
     }
 
+    private void addPrivateDnsRoutes(NetworkStateTracker nt) {
+        boolean privateDnsRouteSet = nt.isPrivateDnsRouteSet();
+        LinkProperties p = nt.getLinkProperties();
+        if (p == null) return;
+        String interfaceName = p.getInterfaceName();
+
+        if (DBG) {
+            Slog.d(TAG, "addPrivateDnsRoutes for " + nt +
+                    "(" + interfaceName + ") - mPrivateDnsRouteSet = " + privateDnsRouteSet);
+        }
+        if (interfaceName != null && !privateDnsRouteSet) {
+            Collection<InetAddress> dnsList = p.getDnses();
+            for (InetAddress dns : dnsList) {
+                if (DBG) Slog.d(TAG, "  adding " + dns);
+                NetworkUtils.addHostRoute(interfaceName, dns, null);
+            }
+            nt.privateDnsRouteSet(true);
+        }
+    }
+
+    private void removePrivateDnsRoutes(NetworkStateTracker nt) {
+        // TODO - we should do this explicitly but the NetUtils api doesnt
+        // support this yet - must remove all.  No worse than before
+        LinkProperties p = nt.getLinkProperties();
+        if (p == null) return;
+        String interfaceName = p.getInterfaceName();
+        boolean privateDnsRouteSet = nt.isPrivateDnsRouteSet();
+        if (interfaceName != null && privateDnsRouteSet) {
+            if (DBG) {
+                Slog.d(TAG, "removePrivateDnsRoutes for " + nt.getNetworkInfo().getTypeName() +
+                        " (" + interfaceName + ")");
+            }
+            NetworkUtils.removeHostRoutes(interfaceName);
+            nt.privateDnsRouteSet(false);
+        }
+    }
+
+
+    private void addDefaultRoute(NetworkStateTracker nt) {
+        LinkProperties p = nt.getLinkProperties();
+        if (p == null) return;
+        String interfaceName = p.getInterfaceName();
+        InetAddress defaultGatewayAddr = p.getGateway();
+
+        if ((interfaceName != null) && (defaultGatewayAddr != null )) {
+            if (!NetworkUtils.addDefaultRoute(interfaceName, defaultGatewayAddr) && DBG) {
+                NetworkInfo networkInfo = nt.getNetworkInfo();
+                Slog.d(TAG, "addDefaultRoute for " + networkInfo.getTypeName() +
+                        " (" + interfaceName + "), GatewayAddr=" + defaultGatewayAddr);
+            }
+        }
+    }
+
+
+    public void removeDefaultRoute(NetworkStateTracker nt) {
+        LinkProperties p = nt.getLinkProperties();
+        if (p == null) return;
+        String interfaceName = p.getInterfaceName();
+
+        if (interfaceName != null) {
+            if ((NetworkUtils.removeDefaultRoute(interfaceName) >= 0) && DBG) {
+                NetworkInfo networkInfo = nt.getNetworkInfo();
+                Slog.d(TAG, "removeDefaultRoute for " + networkInfo.getTypeName() + " (" +
+                        interfaceName + ")");
+            }
+        }
+    }
+
+   /**
+     * Reads the network specific TCP buffer sizes from SystemProperties
+     * net.tcp.buffersize.[default|wifi|umts|edge|gprs] and set them for system
+     * wide use
+     */
+   public void updateNetworkSettings(NetworkStateTracker nt) {
+        String key = nt.getTcpBufferSizesPropName();
+        String bufferSizes = SystemProperties.get(key);
+
+        if (bufferSizes.length() == 0) {
+            Slog.e(TAG, key + " not found in system properties. Using defaults");
+
+            // Setting to default values so we won't be stuck to previous values
+            key = "net.tcp.buffersize.default";
+            bufferSizes = SystemProperties.get(key);
+        }
+
+        // Set values in kernel
+        if (bufferSizes.length() != 0) {
+            if (DBG) {
+                Slog.v(TAG, "Setting TCP values: [" + bufferSizes
+                        + "] which comes from [" + key + "]");
+            }
+            setBufferSize(bufferSizes);
+        }
+    }
+
+   /**
+     * Writes TCP buffer sizes to /sys/kernel/ipv4/tcp_[r/w]mem_[min/def/max]
+     * which maps to /proc/sys/net/ipv4/tcp_rmem and tcpwmem
+     *
+     * @param bufferSizes in the format of "readMin, readInitial, readMax,
+     *        writeMin, writeInitial, writeMax"
+     */
+    private void setBufferSize(String bufferSizes) {
+        try {
+            String[] values = bufferSizes.split(",");
+
+            if (values.length == 6) {
+              final String prefix = "/sys/kernel/ipv4/tcp_";
+                stringToFile(prefix + "rmem_min", values[0]);
+                stringToFile(prefix + "rmem_def", values[1]);
+                stringToFile(prefix + "rmem_max", values[2]);
+                stringToFile(prefix + "wmem_min", values[3]);
+                stringToFile(prefix + "wmem_def", values[4]);
+                stringToFile(prefix + "wmem_max", values[5]);
+            } else {
+                Slog.e(TAG, "Invalid buffersize string: " + bufferSizes);
+            }
+        } catch (IOException e) {
+            Slog.e(TAG, "Can't set tcp buffer sizes:" + e);
+        }
+    }
+
+   /**
+     * Writes string to file. Basically same as "echo -n $string > $filename"
+     *
+     * @param filename
+     * @param string
+     * @throws IOException
+     */
+    private void stringToFile(String filename, String string) throws IOException {
+        FileWriter out = new FileWriter(filename);
+        try {
+            out.write(string);
+        } finally {
+            out.close();
+        }
+    }
+
+
     /**
      * Adjust the per-process dns entries (net.dns<x>.<pid>) based
      * on the highest priority active net which this process requested.
@@ -1355,12 +1550,14 @@
             NetworkStateTracker nt = mNetTrackers[i];
             if (nt.getNetworkInfo().isConnected() &&
                     !nt.isTeardownRequested()) {
+                LinkProperties p = nt.getLinkProperties();
+                if (p == null) continue;
                 List pids = mNetRequestersPids[i];
                 for (int j=0; j<pids.size(); j++) {
                     Integer pid = (Integer)pids.get(j);
                     if (pid.intValue() == myPid) {
-                        String[] dnsList = nt.getNameServers();
-                        writePidDns(dnsList, myPid);
+                        Collection<InetAddress> dnses = p.getDnses();
+                        writePidDns(dnses, myPid);
                         if (doBump) {
                             bumpDns();
                         }
@@ -1382,12 +1579,10 @@
         }
     }
 
-    private void writePidDns(String[] dnsList, int pid) {
+    private void writePidDns(Collection <InetAddress> dnses, int pid) {
         int j = 1;
-        for (String dns : dnsList) {
-            if (dns != null && !TextUtils.equals(dns, "0.0.0.0")) {
-                SystemProperties.set("net.dns" + j++ + "." + pid, dns);
-            }
+        for (InetAddress dns : dnses) {
+            SystemProperties.set("net.dns" + j++ + "." + pid, dns.getHostAddress());
         }
     }
 
@@ -1410,16 +1605,24 @@
         // add default net's dns entries
         NetworkStateTracker nt = mNetTrackers[netType];
         if (nt != null && nt.getNetworkInfo().isConnected() && !nt.isTeardownRequested()) {
-            String[] dnsList = nt.getNameServers();
+            LinkProperties p = nt.getLinkProperties();
+            if (p == null) return;
+            Collection<InetAddress> dnses = p.getDnses();
             if (mNetAttributes[netType].isDefault()) {
                 int j = 1;
-                for (String dns : dnsList) {
-                    if (dns != null && !TextUtils.equals(dns, "0.0.0.0")) {
+                if (dnses.size() == 0 && mDefaultDns != null) {
+                    if (DBG) {
+                        Slog.d(TAG, "no dns provided - using " + mDefaultDns.getHostAddress());
+                    }
+                    SystemProperties.set("net.dns1", mDefaultDns.getHostAddress());
+                    j++;
+                } else {
+                    for (InetAddress dns : dnses) {
                         if (DBG) {
                             Slog.d(TAG, "adding dns " + dns + " for " +
                                     nt.getNetworkInfo().getTypeName());
                         }
-                        SystemProperties.set("net.dns" + j++, dns);
+                        SystemProperties.set("net.dns" + j++, dns.getHostAddress());
                     }
                 }
                 for (int k=j ; k<mNumDnsEntries; k++) {
@@ -1432,11 +1635,11 @@
                 List pids = mNetRequestersPids[netType];
                 for (int y=0; y< pids.size(); y++) {
                     Integer pid = (Integer)pids.get(y);
-                    writePidDns(dnsList, pid.intValue());
+                    writePidDns(dnses, pid.intValue());
                 }
             }
+            bumpDns();
         }
-        bumpDns();
     }
 
     private int getRestoreDefaultNetworkDelay() {
@@ -1491,6 +1694,13 @@
         }
         pw.println();
 
+        synchronized (this) {
+            pw.println("NetworkTranstionWakeLock is currently " +
+                    (mNetTransitionWakeLock.isHeld() ? "" : "not ") + "held.");
+            pw.println("It was last requested for "+mNetTransitionWakeLockCausedBy);
+        }
+        pw.println();
+
         mTethering.dump(fd, pw, args);
 
         if (mInetLog != null) {
@@ -1504,6 +1714,10 @@
 
     // must be stateless - things change under us.
     private class MyHandler extends Handler {
+        public MyHandler(Looper looper) {
+            super(looper);
+        }
+
         @Override
         public void handleMessage(Message msg) {
             NetworkInfo info;
@@ -1565,29 +1779,25 @@
                         handleConnect(info);
                     }
                     break;
-
-                case NetworkStateTracker.EVENT_SCAN_RESULTS_AVAILABLE:
-                    info = (NetworkInfo) msg.obj;
-                    handleScanResultsAvailable(info);
-                    break;
-
-                case NetworkStateTracker.EVENT_NOTIFICATION_CHANGED:
-                    handleNotificationChange(msg.arg1 == 1, msg.arg2,
-                            (Notification) msg.obj);
-                    break;
-
                 case NetworkStateTracker.EVENT_CONFIGURATION_CHANGED:
+                    // TODO - make this handle ip/proxy/gateway/dns changes
                     info = (NetworkInfo) msg.obj;
                     type = info.getType();
                     handleDnsConfigurationChange(type);
                     break;
-
-                case NetworkStateTracker.EVENT_ROAMING_CHANGED:
-                    // fill me in
-                    break;
-
-                case NetworkStateTracker.EVENT_NETWORK_SUBTYPE_CHANGED:
-                    // fill me in
+                case EVENT_CLEAR_NET_TRANSITION_WAKELOCK:
+                    String causedBy = null;
+                    synchronized (ConnectivityService.this) {
+                        if (msg.arg1 == mNetTransitionWakeLockSerialNumber &&
+                                mNetTransitionWakeLock.isHeld()) {
+                            mNetTransitionWakeLock.release();
+                            causedBy = mNetTransitionWakeLockCausedBy;
+                        }
+                    }
+                    if (causedBy != null) {
+                        Slog.d(TAG, "NetTransition Wakelock for " +
+                                causedBy + " released by timeout");
+                    }
                     break;
                 case EVENT_RESTORE_DEFAULT_NETWORK:
                     FeatureUser u = (FeatureUser)msg.obj;
@@ -1681,6 +1891,15 @@
         }
     }
 
+    public String[] getTetherableBluetoothRegexs() {
+        enforceTetherAccessPermission();
+        if (isTetheringSupported()) {
+            return mTethering.getTetherableBluetoothRegexs();
+        } else {
+            return new String[0];
+        }
+    }
+
     // TODO - move iface listing, queries, etc to new module
     // javadoc from interface
     public String[] getTetherableIfaces() {
@@ -1709,6 +1928,25 @@
         return tetherEnabledInSettings && mTetheringConfigValid;
     }
 
+    // An API NetworkStateTrackers can call when they lose their network.
+    // This will automatically be cleared after X seconds or a network becomes CONNECTED,
+    // whichever happens first.  The timer is started by the first caller and not
+    // restarted by subsequent callers.
+    public void requestNetworkTransitionWakelock(String forWhom) {
+        enforceConnectivityInternalPermission();
+        synchronized (this) {
+            if (mNetTransitionWakeLock.isHeld()) return;
+            mNetTransitionWakeLockSerialNumber++;
+            mNetTransitionWakeLock.acquire();
+            mNetTransitionWakeLockCausedBy = forWhom;
+        }
+        mHandler.sendMessageDelayed(mHandler.obtainMessage(
+                EVENT_CLEAR_NET_TRANSITION_WAKELOCK,
+                mNetTransitionWakeLockSerialNumber, 0),
+                mNetTransitionWakeLockTimeout);
+        return;
+    }
+
     // 100 percent is full good, 0 is full bad.
     public void reportInetCondition(int networkType, int percentage) {
         if (DBG) Slog.d(TAG, "reportNetworkCondition(" + networkType + ", " + percentage + ")");