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Diffstat (limited to 'sandbox/event/modules/host-corba/src/main/java/org/apache/tuscany/sca/host/corba/SocketUtil.java')
-rwxr-xr-xsandbox/event/modules/host-corba/src/main/java/org/apache/tuscany/sca/host/corba/SocketUtil.java226
1 files changed, 0 insertions, 226 deletions
diff --git a/sandbox/event/modules/host-corba/src/main/java/org/apache/tuscany/sca/host/corba/SocketUtil.java b/sandbox/event/modules/host-corba/src/main/java/org/apache/tuscany/sca/host/corba/SocketUtil.java
deleted file mode 100755
index 6989b3ad06..0000000000
--- a/sandbox/event/modules/host-corba/src/main/java/org/apache/tuscany/sca/host/corba/SocketUtil.java
+++ /dev/null
@@ -1,226 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.tuscany.sca.host.corba;
-
-import java.net.InetAddress;
-import java.net.NetworkInterface;
-import java.net.UnknownHostException;
-import java.util.Enumeration;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.Map;
-import java.util.Set;
-
-/**
- * @version $Rev$ $Date$
- * Class partially copied from eclipse wst project
- * (http://repo1.maven.org/maven2/org/eclipse/wst/server/core/1.0.205-v20070829b/).
- * Finally we should use jar from maven dependency. Problem described in
- * http://www.fornax-platform.org/cp/display/fornax/2.+Hello+World+Tutorial+(CSC)?replyToComment=2098#comment-2098
- * needs to be fixed.
- */
-public class SocketUtil {
-
- protected static final Object lock = new Object();
-
- private static Set<String> localHostCache;
- private static Set<String> notLocalHostCache = new HashSet<String>();
- private static Map<String, CacheThread> threadMap = new HashMap<String, CacheThread>();
-
- private static Set<InetAddress> addressCache;
-
- static class CacheThread extends Thread {
- private Set<InetAddress> currentAddresses;
- private Set<String> addressList;
- private String host;
- private Set<String> nonAddressList;
- private Map<String, CacheThread> threadMap2;
-
- public CacheThread(String host,
- Set<InetAddress> currentAddresses,
- Set<String> addressList,
- Set<String> nonAddressList,
- Map<String, CacheThread> threadMap2) {
- super("Caching localhost information");
- this.host = host;
- this.currentAddresses = currentAddresses;
- this.addressList = addressList;
- this.nonAddressList = nonAddressList;
- this.threadMap2 = threadMap2;
- }
-
- public void run() {
- if (currentAddresses != null) {
- Iterator<InetAddress> iter2 = currentAddresses.iterator();
- while (iter2.hasNext()) {
- InetAddress addr = iter2.next();
- String hostname = addr.getHostName();
- String hostname2 = addr.getCanonicalHostName();
- synchronized (lock) {
- if (hostname != null && !addressList.contains(hostname))
- addressList.add(hostname);
- if (hostname2 != null && !addressList.contains(hostname2))
- addressList.add(hostname2);
- }
- }
- }
-
- try {
- InetAddress[] addrs = InetAddress.getAllByName(host);
- int length = addrs.length;
- for (int j = 0; j < length; j++) {
- InetAddress addr = addrs[0];
- String hostname = addr.getHostName();
- String hostname2 = addr.getCanonicalHostName();
- synchronized (lock) {
- if (addr.isLoopbackAddress()) {
- if (hostname != null && !addressList.contains(hostname))
- addressList.add(hostname);
- if (hostname2 != null && !addressList.contains(hostname2))
- addressList.add(hostname2);
- } else {
- if (hostname != null && !nonAddressList.contains(hostname))
- nonAddressList.add(hostname);
- if (hostname2 != null && !nonAddressList.contains(hostname2))
- nonAddressList.add(hostname2);
- }
- }
- }
- } catch (UnknownHostException e) {
- synchronized (lock) {
- if (host != null && !nonAddressList.contains(host))
- nonAddressList.add(host);
- }
- }
- synchronized (lock) {
- threadMap2.remove(host);
- }
- }
- }
-
- public static boolean isLocalhost(final String host) {
- if (host == null || host.equals(""))
- return false;
-
- if ("localhost".equals(host) || "127.0.0.1".equals(host))
- return true;
-
- // check simple cases
- try {
- InetAddress localHostaddr = InetAddress.getLocalHost();
- if (localHostaddr.getHostName().equals(host) || host.equals(localHostaddr.getCanonicalHostName())
- || localHostaddr.getHostAddress().equals(host))
- return true;
- } catch (Exception e) {
-
- }
-
- // check for current thread and wait if necessary
- boolean currentThread = false;
- try {
- Thread t = null;
- synchronized (lock) {
- t = threadMap.get(host);
- }
- if (t != null && t.isAlive()) {
- currentThread = true;
- t.join(30);
- }
- } catch (Exception e) {
-
- }
-
- // check if cache is still ok
- boolean refreshedCache = false;
- try {
- // get network interfaces
- final Set<InetAddress> currentAddresses = new HashSet<InetAddress>();
- currentAddresses.add(InetAddress.getLocalHost());
- Enumeration<?> nis = NetworkInterface.getNetworkInterfaces();
- while (nis.hasMoreElements()) {
- NetworkInterface inter = (NetworkInterface)nis.nextElement();
- Enumeration<InetAddress> ias = inter.getInetAddresses();
- while (ias.hasMoreElements())
- currentAddresses.add(ias.nextElement());
- }
-
- // check if cache is empty or old and refill it if necessary
- if (addressCache == null || !addressCache.containsAll(currentAddresses)
- || !currentAddresses.containsAll(addressCache)) {
- CacheThread cacheThread = null;
- refreshedCache = true;
-
- synchronized (lock) {
- addressCache = currentAddresses;
- notLocalHostCache = new HashSet<String>();
- localHostCache = new HashSet<String>(currentAddresses.size() * 3);
-
- Iterator<InetAddress> iter = currentAddresses.iterator();
- while (iter.hasNext()) {
- InetAddress addr = iter.next();
- String a = addr.getHostAddress();
- if (a != null && !localHostCache.contains(a))
- localHostCache.add(a);
- }
-
- cacheThread = new CacheThread(host, currentAddresses, localHostCache, notLocalHostCache, threadMap);
- threadMap.put(host, cacheThread);
- cacheThread.setDaemon(true);
- cacheThread.setPriority(Thread.NORM_PRIORITY - 1);
- cacheThread.start();
- }
- cacheThread.join(200);
- }
- } catch (Exception e) {
- }
-
- synchronized (lock) {
- if (localHostCache.contains(host))
- return true;
- if (notLocalHostCache.contains(host))
- return false;
- }
-
- // if the cache hasn't been cleared, maybe we still need to lookup the
- // host
- if (!refreshedCache && !currentThread) {
- try {
- CacheThread cacheThread = null;
- synchronized (lock) {
- cacheThread = new CacheThread(host, null, localHostCache, notLocalHostCache, threadMap);
- threadMap.put(host, cacheThread);
- cacheThread.setDaemon(true);
- cacheThread.setPriority(Thread.NORM_PRIORITY - 1);
- cacheThread.start();
- }
- cacheThread.join(75);
-
- synchronized (lock) {
- if (localHostCache.contains(host))
- return true;
- }
- } catch (Exception e) {
- }
- }
- return false;
- }
-
-}
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