import org.apache.log4j.Logger;
+import java.io.IOException;
import java.util.*;
import java.net.*;
long now = System.currentTimeMillis();
if (now > nextcheck) {
nextcheck = now + 10000;
- Vector<String> v = new Vector<>();
+ ArrayList<String> hostAddrArray = new ArrayList<>();
try {
InetAddress[] addrs = InetAddress.getAllByName(fqdn);
- for (InetAddress a : addrs) {
- v.add(a.getHostAddress());
+ for (InetAddress addr : addrs) {
+ hostAddrArray.add(addr.getHostAddress());
}
} catch (UnknownHostException e) {
logger.debug("IsFrom: UnknownHostEx: " + e.toString(), e);
}
- ips = v.toArray(new String[v.size()]);
+ ips = hostAddrArray.toArray(new String[0]);
logger.info("IsFrom: DNS ENTRIES FOR FQDN " + fqdn + " : " + Arrays.toString(ips));
}
- for (String s : ips) {
- if (s.equals(ip) || s.equals(System.getenv("DMAAP_DR_PROV_SERVICE_HOST"))) {
- return (true);
+ for (String ipAddr : ips) {
+ if (ipAddr.equals(ip)) {
+ return true;
}
}
- return (false);
+ return false;
+ }
+
+ synchronized boolean isReachable(String ip) {
+ try {
+ if (InetAddress.getByName(ip).isReachable(1000)) {
+ return true;
+ }
+ } catch (UnknownHostException e) {
+ logger.debug("IsFrom: UnknownHostEx: " + e.toString(), e);
+ } catch (IOException e) {
+ logger.debug("IsFrom: Failed to parse IP : " + ip + " : " + e.toString(), e);
+ }
+ return false;
}
/**