Merge "resolved conflicts for merge of 4ea54f44 to master" (fc40701c) · 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

+2 −0

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;

core/java/android/net/NetworkUtils.java

+91 −48

Original line number	Diff line number	Diff line
		@@ -17,50 +17,44 @@
		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 static int addHostRoute(String interfaceName, InetAddress hostaddr) {
		int v4Int = v4StringToInt(hostaddr.getHostAddress());
		if (v4Int != 0) {
		return addHostRouteNative(interfaceName, v4Int);
		} else {
		return -1;
		}
		}
		private native static int addHostRouteNative(String interfaceName, int hostaddr);

		/** Add a default route for the named interface. */
		public static int setDefaultRoute(String interfaceName, InetAddress gwayAddr) {
		int v4Int = v4StringToInt(gwayAddr.getHostAddress());
		if (v4Int != 0) {
		return setDefaultRouteNative(interfaceName, v4Int);
		} else {
		return -1;
		}
		}
		private native static int setDefaultRouteNative(String interfaceName, int hostaddr);
		/**
		* 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 static InetAddress getDefaultRoute(String interfaceName) {
		int addr = getDefaultRouteNative(interfaceName);
		try {
		return InetAddress.getByAddress(v4IntToArray(addr));
		} catch (UnknownHostException e) {
		return null;
		}
		return intToInetAddress(addr);
		}
		private native static int getDefaultRouteNative(String interfaceName);

		@@ -129,30 +123,79 @@ public class NetworkUtils {
		private native static boolean configureNative(
		String interfaceName, int ipAddress, int netmask, int gateway, int dns1, int dns2);

		// The following two functions are glue to tie the old int-based address scheme
		// to the new InetAddress scheme. They should go away when we go fully to InetAddress
		// TODO - remove when we switch fully to InetAddress
		public static byte[] v4IntToArray(int addr) {
		byte[] addrBytes = new byte[4];
		addrBytes[0] = (byte)(addr & 0xff);
		addrBytes[1] = (byte)((addr >> 8) & 0xff);
		addrBytes[2] = (byte)((addr >> 16) & 0xff);
		addrBytes[3] = (byte)((addr >> 24) & 0xff);
		return addrBytes;
		}
		/**
		* 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 InetAddress intToInetAddress(int hostAddress) {
		InetAddress inetAddress;
		byte[] addressBytes = { (byte)(0xff & hostAddress),
		(byte)(0xff & (hostAddress >> 8)),
		(byte)(0xff & (hostAddress >> 16)),
		(byte)(0xff & (hostAddress >> 24)) };

		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;
		inetAddress = InetAddress.getByAddress(addressBytes);
		} catch(UnknownHostException e) {
		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;
		}
		return result;
		return addRoute(interfaceName, dstStr, prefixLength, gwStr) == 0;
		}
		}

core/jni/android_net_NetUtils.cpp

+17 −17

Original line number	Diff line number	Diff line
		@@ -25,9 +25,8 @@
		extern "C" {
		int ifc_enable(const char *ifname);
		int ifc_disable(const char *ifname);
		int ifc_add_host_route(const char *ifname, uint32_t addr);
		int ifc_add_route(const char ifname, const char destStr, uint32_t prefixLen, const char *gwStr);
		int ifc_remove_host_routes(const char *ifname);
		int ifc_set_default_route(const char *ifname, uint32_t gateway);
		int ifc_get_default_route(const char *ifname);
		int ifc_remove_default_route(const char *ifname);
		int ifc_reset_connections(const char *ifname);
		@@ -87,13 +86,23 @@ static jint android_net_utils_disableInterface(JNIEnv* env, jobject clazz, jstri
		return (jint)result;
		}

		static jint android_net_utils_addHostRoute(JNIEnv* env, jobject clazz, jstring ifname, jint addr)
		static jint android_net_utils_addRoute(JNIEnv* env, jobject clazz, jstring ifname,
		jstring dst, jint prefixLength, jstring gw)
		{
		int result;

		const char *nameStr = env->GetStringUTFChars(ifname, NULL);
		result = ::ifc_add_host_route(nameStr, addr);
		const char *dstStr = env->GetStringUTFChars(dst, NULL);
		const char *gwStr = NULL;
		if (gw != NULL) {
		gwStr = env->GetStringUTFChars(gw, NULL);
		}
		result = ::ifc_add_route(nameStr, dstStr, prefixLength, gwStr);
		env->ReleaseStringUTFChars(ifname, nameStr);
		env->ReleaseStringUTFChars(dst, dstStr);
		if (gw != NULL) {
		env->ReleaseStringUTFChars(gw, gwStr);
		}
		return (jint)result;
		}

		@@ -107,16 +116,6 @@ static jint android_net_utils_removeHostRoutes(JNIEnv* env, jobject clazz, jstri
		return (jint)result;
		}

		static jint android_net_utils_setDefaultRoute(JNIEnv* env, jobject clazz, jstring ifname, jint gateway)
		{
		int result;

		const char *nameStr = env->GetStringUTFChars(ifname, NULL);
		result = ::ifc_set_default_route(nameStr, gateway);
		env->ReleaseStringUTFChars(ifname, nameStr);
		return (jint)result;
		}

		static jint android_net_utils_getDefaultRoute(JNIEnv* env, jobject clazz, jstring ifname)
		{
		int result;
		@@ -222,10 +221,11 @@ static JNINativeMethod gNetworkUtilMethods[] = {

		{ "enableInterface", "(Ljava/lang/String;)I", (void *)android_net_utils_enableInterface },
		{ "disableInterface", "(Ljava/lang/String;)I", (void *)android_net_utils_disableInterface },
		{ "addHostRouteNative", "(Ljava/lang/String;I)I", (void *)android_net_utils_addHostRoute },
		{ "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 },
		{ "setDefaultRouteNative", "(Ljava/lang/String;I)I", (void *)android_net_utils_setDefaultRoute },
		{ "getDefaultRouteNative", "(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 },