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Add a DNS name resolution helper

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This commit is contained in:
Kelven Yang 2011-03-22 10:56:42 -07:00
parent 05be5acfda
commit aadeceaf78
1 changed files with 11 additions and 0 deletions
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11
utils/src/com/cloud/utils/net/NetUtils.java
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@ -81,6 +81,16 @@ public class NetUtils {
}
}
public static String resolveToIp(String host) {
try {
InetAddress addr = InetAddress.getByName(host);
return ipFromInetAddress(addr);
} catch (UnknownHostException e) {
s_logger.warn("Unable to resolve " + host + " to IP due to UnknownHostException");
return null;
}
}
public static InetAddress[] getAllLocalInetAddresses() {
List<InetAddress> addrList = new ArrayList<InetAddress>();
try {
@ -848,6 +858,7 @@ public class NetUtils {
public static void main(String[] args) {
configLog4j();
if (args.length == 0) {
System.out.println("Must specify at least one parameter");
}