diff options
Diffstat (limited to '')
-rwxr-xr-x | sca-java-2.x/tags/2.0-Beta1-RC1/modules/host-corba/src/main/java/org/apache/tuscany/sca/host/corba/SocketUtil.java | 226 |
1 files changed, 0 insertions, 226 deletions
diff --git a/sca-java-2.x/tags/2.0-Beta1-RC1/modules/host-corba/src/main/java/org/apache/tuscany/sca/host/corba/SocketUtil.java b/sca-java-2.x/tags/2.0-Beta1-RC1/modules/host-corba/src/main/java/org/apache/tuscany/sca/host/corba/SocketUtil.java deleted file mode 100755 index 6989b3ad06..0000000000 --- a/sca-java-2.x/tags/2.0-Beta1-RC1/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; - } - -} |