Merge "Add an API to request route to an IPv6 host." (b998f311) · Commits · e / os / android_frameworks_base

core/java/android/net/ConnectivityManager.java

+25 −1

Original line number	Diff line number	Diff line
		@@ -21,6 +21,9 @@ import android.annotation.SdkConstant.SdkConstantType;
		import android.os.Binder;
		import android.os.RemoteException;

		import java.net.InetAddress;
		import java.net.UnknownHostException;

		/**
		* Class that answers queries about the state of network connectivity. It also
		* notifies applications when network connectivity changes. Get an instance
		@@ -309,8 +312,29 @@ public class ConnectivityManager
		* @return {@code true} on success, {@code false} on failure
		*/
		public boolean requestRouteToHost(int networkType, int hostAddress) {
		InetAddress inetAddress = NetworkUtils.intToInetAddress(hostAddress);

		if (inetAddress == null) {
		return false;
		}

		return requestRouteToHostAddress(networkType, inetAddress);
		}

		/**
		* Ensure that a network route exists to deliver traffic to the specified
		* host via the specified network interface. An attempt to add a route that
		* already exists is ignored, but treated as successful.
		* @param networkType the type of the network over which traffic to the specified
		* host is to be routed
		* @param hostAddress the IP address of the host to which the route is desired
		* @return {@code true} on success, {@code false} on failure
		* @hide
		*/
		public boolean requestRouteToHostAddress(int networkType, InetAddress hostAddress) {
		byte[] address = hostAddress.getAddress();
		try {
		return mService.requestRouteToHost(networkType, hostAddress);
		return mService.requestRouteToHostAddress(networkType, address);
		} catch (RemoteException e) {
		return false;
		}

core/java/android/net/IConnectivityManager.aidl

+2 −0

Original line number	Diff line number	Diff line
		@@ -47,6 +47,8 @@ interface IConnectivityManager

		boolean requestRouteToHost(int networkType, int hostAddress);

		boolean requestRouteToHostAddress(int networkType, in byte[] hostAddress);

		boolean getBackgroundDataSetting();

		void setBackgroundDataSetting(boolean allowBackgroundData);

core/java/android/net/MobileDataStateTracker.java

+6 −6

Original line number	Diff line number	Diff line
		@@ -16,6 +16,8 @@

		package android.net;

		import java.net.InetAddress;

		import android.content.BroadcastReceiver;
		import android.content.Context;
		import android.content.Intent;
		@@ -23,7 +25,6 @@ import android.content.IntentFilter;
		import android.os.RemoteException;
		import android.os.Handler;
		import android.os.ServiceManager;
		import android.os.SystemProperties;
		import com.android.internal.telephony.ITelephony;
		import com.android.internal.telephony.Phone;
		import com.android.internal.telephony.TelephonyIntents;
		@@ -460,17 +461,16 @@ public class MobileDataStateTracker extends NetworkStateTracker {
		* 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.
		* @return {@code true} on success, {@code false} on failure
		*/
		@Override
		public boolean requestRouteToHost(int hostAddress) {
		public boolean requestRouteToHost(InetAddress hostAddress) {
		if (DBG) {
		Log.d(TAG, "Requested host route to " + Integer.toHexString(hostAddress) +
		Log.d(TAG, "Requested host route to " + hostAddress.getHostAddress() +
		" for " + mApnType + "(" + mInterfaceName + ")");
		}
		if (mInterfaceName != null && hostAddress != -1) {
		return NetworkUtils.addHostRoute(mInterfaceName, hostAddress) == 0;
		if (mInterfaceName != null) {
		return NetworkUtils.addHostRoute(mInterfaceName, hostAddress, null);
		} else {
		return false;
		}

core/java/android/net/NetworkStateTracker.java

+23 −9

Original line number	Diff line number	Diff line
		@@ -18,13 +18,14 @@ package android.net;

		import java.io.FileWriter;
		import java.io.IOException;
		import java.net.InetAddress;
		import java.net.UnknownHostException;

		import android.os.Handler;
		import android.os.Message;
		import android.os.SystemProperties;
		import android.content.Context;
		import android.text.TextUtils;
		import android.util.Config;
		import android.util.Log;


		@@ -129,13 +130,18 @@ public abstract class NetworkStateTracker extends Handler {
		}
		if (mInterfaceName != null && !mPrivateDnsRouteSet) {
		for (String addrString : getNameServers()) {
		int addr = NetworkUtils.lookupHost(addrString);
		if (addr != -1 && addr != 0) {
		if (DBG) Log.d(TAG, " adding "+addrString+" ("+addr+")");
		NetworkUtils.addHostRoute(mInterfaceName, addr);
		if (addrString != null) {
		try {
		InetAddress inetAddress = InetAddress.getByName(addrString);
		if (DBG) Log.d(TAG, " adding " + addrString);
		if (NetworkUtils.addHostRoute(mInterfaceName, inetAddress, null)) {
		mPrivateDnsRouteSet = true;
		}
		} catch (UnknownHostException e) {
		if (DBG) Log.d(TAG, " DNS address " + addrString + " : Exception " + e);
		}
		}
		}
		mPrivateDnsRouteSet = true;
		}
		}

		@@ -159,8 +165,16 @@ public abstract class NetworkStateTracker extends Handler {
		Log.d(TAG, "addDefaultRoute for " + mNetworkInfo.getTypeName() +
		" (" + mInterfaceName + "), GatewayAddr=" + mDefaultGatewayAddr);
		}
		NetworkUtils.setDefaultRoute(mInterfaceName, mDefaultGatewayAddr);
		InetAddress inetAddress = NetworkUtils.intToInetAddress(mDefaultGatewayAddr);
		if (inetAddress == null) {
		if (DBG) Log.d(TAG, " Unable to add default route. mDefaultGatewayAddr Error");
		} else {
		if (NetworkUtils.addDefaultRoute(mInterfaceName, inetAddress)) {
		mDefaultRouteSet = true;
		} else {
		if (DBG) Log.d(TAG, " Unable to add default route.");
		}
		}
		}
		}

		@@ -398,7 +412,7 @@ public abstract class NetworkStateTracker extends Handler {
		* @param hostAddress the IP address of the host to which the route is desired
		* @return {@code true} on success, {@code false} on failure
		*/
		public boolean requestRouteToHost(int hostAddress) {
		public boolean requestRouteToHost(InetAddress hostAddress) {
		return false;
		}

core/java/android/net/NetworkUtils.java

+88 −22

Original line number	Diff line number	Diff line
		@@ -17,25 +17,39 @@
		package android.net;

		import java.net.InetAddress;
		import java.net.Inet4Address;
		import java.net.Inet6Address;
		import java.net.UnknownHostException;

		import android.util.Log;

		/**
		* Native methods for managing network interfaces.
		*
		* {@hide}
		*/
		public class NetworkUtils {

		private static final String TAG = "NetworkUtils";

		/** Bring the named network interface up. */
		public native static int enableInterface(String interfaceName);

		/** Bring the named network interface down. */
		public native static int disableInterface(String interfaceName);

		/** Add a route to the specified host via the named interface. */
		public native static int addHostRoute(String interfaceName, int hostaddr);

		/** Add a default route for the named interface. */
		public native static int setDefaultRoute(String interfaceName, int gwayAddr);
		/**
		* Add a route to the routing table.
		*
		* @param interfaceName the interface to route through.
		* @param dst the network or host to route to. May be IPv4 or IPv6, e.g.
		* "0.0.0.0" or "2001:4860::".
		* @param prefixLength the prefix length of the route.
		* @param gw the gateway to use, e.g., "192.168.251.1". If null,
		* indicates a directly-connected route.
		*/
		public native static int addRoute(String interfaceName, String dst,
		int prefixLength, String gw);

		/** Return the gateway address for the default route for the named interface. */
		public native static int getDefaultRoute(String interfaceName);
		@@ -106,26 +120,78 @@ public class NetworkUtils {
		String interfaceName, int ipAddress, int netmask, int gateway, int dns1, int dns2);

		/**
		* Look up a host name and return the result as an int. Works if the argument
		* is an IP address in dot notation. Obviously, this can only be used for IPv4
		* addresses.
		* @param hostname the name of the host (or the IP address)
		* @return the IP address as an {@code int} in network byte order
		* Convert a IPv4 address from an integer to an InetAddress.
		* @param hostAddr is an Int corresponding to the IPv4 address in network byte order
		* @return the IP address as an {@code InetAddress}, returns null if
		* unable to convert or if the int is an invalid address.
		*/
		public static int lookupHost(String hostname) {
		public static InetAddress intToInetAddress(int hostAddress) {
		InetAddress inetAddress;
		byte[] addressBytes = { (byte)(0xff & hostAddress),
		(byte)(0xff & (hostAddress >> 8)),
		(byte)(0xff & (hostAddress >> 16)),
		(byte)(0xff & (hostAddress >> 24)) };

		try {
		inetAddress = InetAddress.getByName(hostname);
		inetAddress = InetAddress.getByAddress(addressBytes);
		} catch(UnknownHostException e) {
		return -1;
		return null;
		}

		return inetAddress;
		}

		/**
		* Add a default route through the specified gateway.
		* @param interfaceName interface on which the route should be added
		* @param gw the IP address of the gateway to which the route is desired,
		* @return {@code true} on success, {@code false} on failure
		*/
		public static boolean addDefaultRoute(String interfaceName, InetAddress gw) {
		String dstStr;
		String gwStr = gw.getHostAddress();

		if (gw instanceof Inet4Address) {
		dstStr = "0.0.0.0";
		} else if (gw instanceof Inet6Address) {
		dstStr = "::";
		} else {
		Log.w(TAG, "addDefaultRoute failure: address is neither IPv4 nor IPv6" +
		"(" + gwStr + ")");
		return false;
		}
		return addRoute(interfaceName, dstStr, 0, gwStr) == 0;
		}

		/**
		* Add a host route.
		* @param interfaceName interface on which the route should be added
		* @param dst the IP address of the host to which the route is desired,
		* this should not be null.
		* @param gw the IP address of the gateway to which the route is desired,
		* if null, indicates a directly-connected route.
		* @return {@code true} on success, {@code false} on failure
		*/
		public static boolean addHostRoute(String interfaceName, InetAddress dst,
		InetAddress gw) {
		if (dst == null) {
		Log.w(TAG, "addHostRoute: dst should not be null");
		return false;
		}

		int prefixLength;
		String dstStr = dst.getHostAddress();
		String gwStr = (gw != null) ? gw.getHostAddress() : null;

		if (dst instanceof Inet4Address) {
		prefixLength = 32;
		} else if (dst instanceof Inet6Address) {
		prefixLength = 128;
		} else {
		Log.w(TAG, "addHostRoute failure: address is neither IPv4 nor IPv6" +
		"(" + dst + ")");
		return false;
		}
		byte[] addrBytes;
		int addr;
		addrBytes = inetAddress.getAddress();
		addr = ((addrBytes[3] & 0xff) << 24)
		\| ((addrBytes[2] & 0xff) << 16)
		\| ((addrBytes[1] & 0xff) << 8)
		\| (addrBytes[0] & 0xff);
		return addr;
		return addRoute(interfaceName, dstStr, prefixLength, gwStr) == 0;
		}
		}