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Merge "Added methods to support dns cache per interface"

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This commit is contained in:
Robert Greenwalt
2011-07-01 09:26:50 -07:00
committed by Android Code Review
parent e06749e14c 7475c0cea6
commit 38bb0123b8
2 changed files with 80 additions and 0 deletions
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19
core/java/android/os/INetworkManagementService.aidl
View File

@@ -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);
}

61
services/java/com/android/server/NetworkManagementService.java
View File

@@ -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);
}
}
}