Use resetConnections with resetMask. (8171e6f6) · Commits · e / os / android_frameworks_base

core/java/android/net/NetworkUtils.java

+16 −2

Original line number	Diff line number	Diff line
		@@ -38,8 +38,22 @@ public class NetworkUtils {
		/** Bring the named network interface down. */
		public native static int disableInterface(String interfaceName);

		/** Reset any sockets that are connected via the named interface. */
		public native static int resetConnections(String interfaceName);
		/** Setting bit 0 indicates reseting of IPv4 addresses required */
		public static final int RESET_IPV4_ADDRESSES = 0x01;

		/** Setting bit 1 indicates reseting of IPv4 addresses required */
		public static final int RESET_IPV6_ADDRESSES = 0x02;

		/** Reset all addresses */
		public static final int RESET_ALL_ADDRESSES = RESET_IPV4_ADDRESSES \| RESET_IPV6_ADDRESSES;

		/**
		* Reset IPv6 or IPv4 sockets that are connected via the named interface.
		*
		* @param interfaceName is the interface to reset
		* @param mask {@see #RESET_IPV4_ADDRESSES} and {@see #RESET_IPV6_ADDRESSES}
		*/
		public native static int resetConnections(String interfaceName, int mask);

		/**
		* Start the DHCP client daemon, in order to have it request addresses

core/jni/android_net_NetUtils.cpp

+9 −4

Original line number	Diff line number	Diff line
		@@ -26,7 +26,7 @@
		extern "C" {
		int ifc_enable(const char *ifname);
		int ifc_disable(const char *ifname);
		int ifc_reset_connections(const char *ifname);
		int ifc_reset_connections(const char *ifname, int reset_mask);

		int dhcp_do_request(const char *ifname,
		const char *ipaddr,
		@@ -91,12 +91,17 @@ static jint android_net_utils_disableInterface(JNIEnv* env, jobject clazz, jstri
		return (jint)result;
		}

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

		const char *nameStr = env->GetStringUTFChars(ifname, NULL);
		result = ::ifc_reset_connections(nameStr);

		LOGD("android_net_utils_resetConnections in env=%p clazz=%p iface=%s mask=0x%x\n",
		env, clazz, nameStr, mask);

		result = ::ifc_reset_connections(nameStr, mask);
		env->ReleaseStringUTFChars(ifname, nameStr);
		return (jint)result;
		}
		@@ -207,7 +212,7 @@ static JNINativeMethod gNetworkUtilMethods[] = {

		{ "enableInterface", "(Ljava/lang/String;)I", (void *)android_net_utils_enableInterface },
		{ "disableInterface", "(Ljava/lang/String;)I", (void *)android_net_utils_disableInterface },
		{ "resetConnections", "(Ljava/lang/String;)I", (void *)android_net_utils_resetConnections },
		{ "resetConnections", "(Ljava/lang/String;I)I", (void *)android_net_utils_resetConnections },
		{ "runDhcp", "(Ljava/lang/String;Landroid/net/DhcpInfoInternal;)Z", (void *)android_net_utils_runDhcp },
		{ "runDhcpRenew", "(Ljava/lang/String;Landroid/net/DhcpInfoInternal;)Z", (void *)android_net_utils_runDhcpRenew },
		{ "stopDhcp", "(Ljava/lang/String;)Z", (void *)android_net_utils_stopDhcp },

services/java/com/android/server/ConnectivityService.java

+4 −2

Original line number	Diff line number	Diff line
		@@ -1435,8 +1435,10 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		if (linkProperties != null) {
		String iface = linkProperties.getInterfaceName();
		if (TextUtils.isEmpty(iface) == false) {
		if (DBG) log("resetConnections(" + iface + ")");
		NetworkUtils.resetConnections(iface);
		if (DBG) {
		log("resetConnections(" + iface + ", NetworkUtils.RESET_ALL_ADDRESSES)");
		}
		NetworkUtils.resetConnections(iface, NetworkUtils.RESET_ALL_ADDRESSES);
		}
		}
		}

wifi/java/android/net/wifi/WifiStateMachine.java

+2 −2

Original line number	Diff line number	Diff line
		@@ -1415,7 +1415,7 @@ public class WifiStateMachine extends StateMachine {
		/*
		* stop DHCP
		*/
		NetworkUtils.resetConnections(mInterfaceName);
		NetworkUtils.resetConnections(mInterfaceName, NetworkUtils.RESET_ALL_ADDRESSES);

		if (mDhcpStateMachine != null) {
		mDhcpStateMachine.sendMessage(DhcpStateMachine.CMD_STOP_DHCP);
		@@ -1509,7 +1509,7 @@ public class WifiStateMachine extends StateMachine {
		if (!linkProperties.equals(mLinkProperties)) {
		Log.d(TAG, "Link configuration changed for netId: " + mLastNetworkId
		+ " old: " + mLinkProperties + "new: " + linkProperties);
		NetworkUtils.resetConnections(mInterfaceName);
		NetworkUtils.resetConnections(mInterfaceName, NetworkUtils.RESET_ALL_ADDRESSES);
		mLinkProperties = linkProperties;
		sendLinkConfigurationChangedBroadcast();
		}