Merge "Added methods to support dns cache per interface" (38bb0123) · Commits · e / os / android_frameworks_base

core/java/android/os/INetworkManagementService.aidl

+19 −0

Original line number	Diff line number	Diff line
		@@ -207,4 +207,23 @@ interface INetworkManagementService
		*/
		int getInterfaceTxThrottle(String iface);

		/**
		* Sets the name of the default interface in the DNS resolver.
		*/
		void setDefaultInterfaceForDns(String iface);

		/**
		* Bind name servers to an interface in the DNS resolver.
		*/
		void setDnsServersForInterface(String iface, in String[] servers);

		/**
		* Flush the DNS cache associated with the default interface
		*/
		void flushDefaultDnsCache();

		/**
		* Flush the DNS cache associated with the specified interface
		*/
		void flushInterfaceDnsCache(String iface);
		}

services/java/com/android/server/NetworkManagementService.java

+61 −0

Original line number	Diff line number	Diff line
		@@ -784,4 +784,65 @@ class NetworkManagementService extends INetworkManagementService.Stub {
		public int getInterfaceTxThrottle(String iface) {
		return getInterfaceThrottle(iface, false);
		}

		public void setDefaultInterfaceForDns(String iface) throws IllegalStateException {
		mContext.enforceCallingOrSelfPermission(
		android.Manifest.permission.CHANGE_NETWORK_STATE, "NetworkManagementService");
		try {
		String cmd = "resolver setdefaultif " + iface;

		mConnector.doCommand(cmd);
		} catch (NativeDaemonConnectorException e) {
		throw new IllegalStateException(
		"Error communicating with native daemon to set default interface", e);
		}
		}

		public void setDnsServersForInterface(String iface, String[] servers)
		throws IllegalStateException {
		mContext.enforceCallingOrSelfPermission(android.Manifest.permission.CHANGE_NETWORK_STATE,
		"NetworkManagementService");
		try {
		String cmd = "resolver setifdns " + iface;
		for (String s : servers) {
		if (s != null && !"0.0.0.0".equals(s) &&
		!"::".equals(s) && !"0:0:0:0:0:0:0:0".equals(s)) {
		cmd += " " + InetAddress.getByName(s).getHostAddress();
		}
		}

		mConnector.doCommand(cmd);
		} catch (UnknownHostException e) {
		throw new IllegalStateException("failed to resolve dns address.", e);
		} catch (NativeDaemonConnectorException e) {
		throw new IllegalStateException(
		"Error communicating with native deamon to set dns for interface", e);
		}
		}

		public void flushDefaultDnsCache() throws IllegalStateException {
		mContext.enforceCallingOrSelfPermission(
		android.Manifest.permission.CHANGE_NETWORK_STATE, "NetworkManagementService");
		try {
		String cmd = "resolver flushdefaultif";

		mConnector.doCommand(cmd);
		} catch (NativeDaemonConnectorException e) {
		throw new IllegalStateException(
		"Error communicating with native deamon to flush default interface", e);
		}
		}

		public void flushInterfaceDnsCache(String iface) throws IllegalStateException {
		mContext.enforceCallingOrSelfPermission(
		android.Manifest.permission.CHANGE_NETWORK_STATE, "NetworkManagementService");
		try {
		String cmd = "resolver flushif " + iface;

		mConnector.doCommand(cmd);
		} catch (NativeDaemonConnectorException e) {
		throw new IllegalStateException(
		"Error communicating with native deamon to flush interface " + iface, e);
		}
		}
		}