am 2b62c4fb: am 38bb0123: Merge "Added methods to support dns cache per interface"
* commit '2b62c4fbfeb7df0988bf216c50cd4a24f05add9f':
Added methods to support dns cache per interface
diff --git a/core/java/android/os/INetworkManagementService.aidl b/core/java/android/os/INetworkManagementService.aidl
index 212c5fb..08403af 100644
--- a/core/java/android/os/INetworkManagementService.aidl
+++ b/core/java/android/os/INetworkManagementService.aidl
@@ -207,4 +207,23 @@
*/
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);
}
diff --git a/services/java/com/android/server/NetworkManagementService.java b/services/java/com/android/server/NetworkManagementService.java
index f0acdc0..edc7c5a 100644
--- a/services/java/com/android/server/NetworkManagementService.java
+++ b/services/java/com/android/server/NetworkManagementService.java
@@ -784,4 +784,65 @@
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);
+ }
+ }
}