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Fix the problem in retrieving default host IP on windows platform

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This commit is contained in:
Kelven Yang 2011-11-14 11:33:34 -08:00
parent f157148ea1
commit bf4076b559
1 changed files with 46 additions and 14 deletions
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60
utils/src/com/cloud/utils/net/NetUtils.java
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@ -17,7 +17,9 @@
*/ */
package com.cloud.utils.net; package com.cloud.utils.net;
import java.io.BufferedReader;
import java.io.File; import java.io.File;
import java.io.InputStreamReader;
import java.lang.reflect.Array; import java.lang.reflect.Array;
import java.net.InetAddress; import java.net.InetAddress;
import java.net.InterfaceAddress; import java.net.InterfaceAddress;
@ -33,6 +35,8 @@ import java.util.Random;
import java.util.Set; import java.util.Set;
import java.util.StringTokenizer; import java.util.StringTokenizer;
import java.util.TreeSet; import java.util.TreeSet;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.apache.log4j.Logger; import org.apache.log4j.Logger;
import org.apache.log4j.xml.DOMConfigurator; import org.apache.log4j.xml.DOMConfigurator;
@ -140,22 +144,50 @@ public class NetUtils {
return cidrList.toArray(new String[0]); return cidrList.toArray(new String[0]);
} }
private static boolean isWindows() {
String os = System.getProperty("os.name");
if(os != null && os.startsWith("Windows"))
return true;
return false;
}
public static String getDefaultHostIp() { public static String getDefaultHostIp() {
NetworkInterface nic = null; if(isWindows()) {
String pubNic = getDefaultEthDevice(); Pattern pattern = Pattern.compile("\\s*0.0.0.0\\s*0.0.0.0\\s*(\\S*)\\s*(\\S*)\\s*");
try {
if (pubNic == null) { Process result = Runtime.getRuntime().exec("route print -4");
return null; BufferedReader output = new BufferedReader
(new InputStreamReader(result.getInputStream()));
String line = output.readLine();
while(line != null){
Matcher matcher = pattern.matcher(line);
if (matcher.find()) {
return matcher.group(2);
}
line = output.readLine();
}
} catch( Exception e ) {
}
return null;
} else {
NetworkInterface nic = null;
String pubNic = getDefaultEthDevice();
if (pubNic == null) {
return null;
}
try {
nic = NetworkInterface.getByName(pubNic);
} catch (final SocketException e) {
return null;
}
String[] info = NetUtils.getNetworkParams(nic);
return info[0];
} }
try {
nic = NetworkInterface.getByName(pubNic);
} catch (final SocketException e) {
return null;
}
String[] info = NetUtils.getNetworkParams(nic);
return info[0];
} }
public static String getDefaultEthDevice() { public static String getDefaultEthDevice() {