From b086f57f56bf0eb9dab9cf321a0f69aaaae84347 Mon Sep 17 00:00:00 2001 From: Andrew Branson Date: Wed, 30 May 2012 08:37:45 +0200 Subject: Initial Maven Conversion --- .../c2kernel/entity/proxy/EntityProxyManager.java | 339 --------------------- 1 file changed, 339 deletions(-) delete mode 100644 source/com/c2kernel/entity/proxy/EntityProxyManager.java (limited to 'source/com/c2kernel/entity/proxy/EntityProxyManager.java') diff --git a/source/com/c2kernel/entity/proxy/EntityProxyManager.java b/source/com/c2kernel/entity/proxy/EntityProxyManager.java deleted file mode 100644 index 192a984..0000000 --- a/source/com/c2kernel/entity/proxy/EntityProxyManager.java +++ /dev/null @@ -1,339 +0,0 @@ -/************************************************************************** - * EntityProxyFactory.java - * - * $Revision: 1.45 $ - * $Date: 2005/05/10 11:40:09 $ - * - * Copyright (C) 2001 CERN - European Organization for Nuclear Research - * All rights reserved. - **************************************************************************/ - -package com.c2kernel.entity.proxy; - -import java.util.ArrayList; -import java.util.ConcurrentModificationException; -import java.util.Enumeration; -import java.util.HashMap; -import java.util.Iterator; - -import com.c2kernel.common.InvalidDataException; -import com.c2kernel.common.ObjectNotFoundException; -import com.c2kernel.lookup.AgentPath; -import com.c2kernel.lookup.DomainPath; -import com.c2kernel.lookup.Path; -import com.c2kernel.persistency.ClusterStorage; -import com.c2kernel.process.Gateway; -import com.c2kernel.property.Property; -import com.c2kernel.utils.Logger; -import com.c2kernel.utils.SoftCache; -import com.c2kernel.utils.server.SimpleTCPIPServer; - - -public class EntityProxyManager -{ - SoftCache proxyPool = new SoftCache(50); - HashMap treeSubscribers = new HashMap(); - HashMap connections = new HashMap(); - - // server objects - static ArrayList proxyClients = new ArrayList(); - static SimpleTCPIPServer proxyServer = null; - static String serverName = null; - - /** - * Create an entity proxy manager to listen for proxy events and reap unused proxies - */ - public EntityProxyManager() - { - Logger.msg(5, "EntityProxyManager - Starting....."); - - Enumeration servers = Gateway.getLDAPLookup().searchEntities(new DomainPath("/servers")); - while(servers.hasMoreElements()) { - Path thisServerPath = servers.nextElement(); - try { - int syskey = thisServerPath.getSysKey(); - String remoteServer = ((Property)Gateway.getStorage().get(syskey, ClusterStorage.PROPERTY+"/Name", null)).getValue(); - String portStr = ((Property)Gateway.getStorage().get(syskey, ClusterStorage.PROPERTY+"/ProxyPort", null)).getValue(); - int remotePort = Integer.parseInt(portStr); - connectToProxyServer(remoteServer, remotePort); - - } catch (Exception ex) { - Logger.error("Exception retrieving proxy server connection data for "+thisServerPath); - Logger.error(ex); - } - } - } - - public void connectToProxyServer(String name, int port) { - ProxyServerConnection oldConn = connections.get(name); - if (oldConn != null) - oldConn.shutdown(); - connections.put(name, new ProxyServerConnection(name, port, this)); - } - - - protected void resubscribe(ProxyServerConnection conn) { - synchronized (proxyPool) { - for (Integer key : proxyPool.keySet()) { - ProxyMessage sub = new ProxyMessage(key.intValue(), ProxyMessage.ADDPATH, false); - Logger.msg(5, "Subscribing to entity "+key); - conn.sendMessage(sub); - } - } - } - - /** - * @param sub - */ - private void sendMessage(ProxyMessage sub) { - for (ProxyServerConnection element : connections.values()) { - element.sendMessage(sub); - } - - } - - public void shutdown() { - Logger.msg("EntityProxyManager.shutdown() - flagging shutdown of server connections"); - for (ProxyServerConnection element : connections.values()) { - element.shutdown(); - } - } - - protected void processMessage(ProxyMessage thisMessage) throws InvalidDataException { - if (Logger.doLog(9)) Logger.msg(9, thisMessage.toString()); - - if (thisMessage.getPath().equals(ProxyMessage.PINGPATH)) // ping response - return; - - if (thisMessage.getSysKey() == ProxyMessage.NA) // must be domain path info - informTreeSubscribers(thisMessage.getState(), thisMessage.getPath()); - else { - // proper proxy message - Logger.msg(5, "Received proxy message: "+thisMessage.toString()); - Integer key = new Integer(thisMessage.getSysKey()); - EntityProxy relevant = proxyPool.get(key); - if (relevant == null) - Logger.warning("Received proxy message for sysKey "+thisMessage.getSysKey()+" which we don't have a proxy for."); - else - try { - relevant.notify(thisMessage); - } catch (Throwable ex) { - Logger.error("Error caught notifying proxy listener "+relevant.toString()+" of "+thisMessage.toString()); - Logger.error(ex); - } - } - } - - private void informTreeSubscribers(boolean state, String path) { - DomainPath last = new DomainPath(path); - DomainPath parent; boolean first = true; - synchronized(treeSubscribers) { - while((parent = last.getParent()) != null) { - - for (DomainPathSubscriber sub : treeSubscribers.keySet()) { - DomainPath interest = treeSubscribers.get(sub); - if (interest.equals(parent)) { - if (state == ProxyMessage.ADDED) - sub.pathAdded(last); - else if (first) - sub.pathRemoved(last); - } - } - last = parent; - first = false; - } - } - } - - public void subscribeTree(DomainPathSubscriber sub, DomainPath interest) { - synchronized(treeSubscribers) { - treeSubscribers.put(sub, interest); - } - } - - public void unsubscribeTree(DomainPathSubscriber sub) { - synchronized(treeSubscribers) { - treeSubscribers.remove(sub); - } - } - - /************************************************************************** - * - **************************************************************************/ - private EntityProxy createProxy( org.omg.CORBA.Object ior, - int systemKey, - boolean isItem ) - throws ObjectNotFoundException - { - - EntityProxy newProxy = null; - - Logger.msg(5, "EntityProxyFactory::creating proxy on entity " + systemKey); - - if( isItem ) - { - newProxy = new ItemProxy(ior, systemKey); - } - else - { - newProxy = new AgentProxy(ior, systemKey); - } - - // subscribe to changes from server - ProxyMessage sub = new ProxyMessage(systemKey, ProxyMessage.ADDPATH, false); - sendMessage(sub); - reportCurrentProxies(9); - return ( newProxy ); - } - - protected void removeProxy( int systemKey ) - { - ProxyMessage sub = new ProxyMessage(systemKey, ProxyMessage.DELPATH, true); - Logger.msg(5,"EntityProxyManager.removeProxy() - Unsubscribing to proxy informer for "+systemKey); - sendMessage(sub); - } - - - /************************************************************************** - * EntityProxy getProxy( ManageableEntity, SystemKey) - * - * Called by the other GetProxy methods. Fills in either the ior or the - * SystemKey - **************************************************************************/ - private EntityProxy getProxy( org.omg.CORBA.Object ior, - int systemKey, - boolean isItem ) - throws ObjectNotFoundException - { - Integer key = new Integer(systemKey); - - synchronized(proxyPool) { - EntityProxy newProxy; - // return it if it exists - newProxy = proxyPool.get(key); - if (newProxy == null) { - // create a new one - newProxy = createProxy(ior, systemKey, isItem ); - proxyPool.put(key, newProxy); - } - return newProxy; - - } - } - - /************************************************************************** - * EntityProxy getProxy( String ) - * - * Proxy from Alias - **************************************************************************/ - public EntityProxy getProxy( Path path ) - throws ObjectNotFoundException - { - - //convert namePath to dn format - Logger.msg(8,"EntityProxyFactory::getProxy(" + path.toString() + ")"); - boolean isItem = !(path.getEntity() instanceof AgentPath); - return getProxy( Gateway.getLDAPLookup().getIOR(path), - path.getSysKey(), - isItem ); - - } - - /************************************************************************** - * void reportCurrentProxies() - * - * A utility to Dump the current proxies loaded - **************************************************************************/ - public void reportCurrentProxies(int logLevel) - { - if (!Logger.doLog(logLevel)) return; - Logger.msg(logLevel, "Current proxies: "); - try { - synchronized(proxyPool) { - Iterator i = proxyPool.keySet().iterator(); - - for( int count=0; i.hasNext(); count++ ) - { - Integer nextProxy = i.next(); - EntityProxy thisProxy = proxyPool.get(nextProxy); - if (thisProxy != null) - Logger.msg(logLevel, - "" + count + ": " - + proxyPool.get(nextProxy).getClass().getName() - + ": " + nextProxy); - } - } - } catch (ConcurrentModificationException ex) { - Logger.msg(logLevel, "Proxy cache modified. Aborting."); - } - } - - - /************************************************************************** - * Static Proxy Server methods - **************************************************************************/ - - /** - * Initialises the Proxy event UDP server listening on 'Host.Proxy.port' from c2kprops - * @param c2kProps - */ - public static void initServer() - { - Logger.msg(5, "EntityProxyFactory::initServer - Starting....."); - String port = Gateway.getProperty("ItemServer.Proxy.port"); - serverName = Gateway.getProperty("ItemServer.name"); - if (port == null) { - Logger.error("ItemServer.Proxy.port not defined in connect file. Remote proxies will not be informed of entity changes."); - return; - } - - // set up the proxy server - try { - int portNo = Integer.parseInt(port); - Logger.msg(5, "EntityProxyFactory::initServer - Initialising proxy informer on port "+port); - proxyServer = new SimpleTCPIPServer(portNo, ProxyClientConnection.class, 200); - proxyServer.startListening(); - } catch (Exception ex) { - Logger.error("Error setting up Proxy Server. Remote proxies will not be informed of entity changes."); - Logger.error(ex); - } - } - - public static void sendProxyEvent(ProxyMessage message) { - if (proxyServer != null && message.getPath() != null) - synchronized(proxyClients) { - for (ProxyClientConnection client : proxyClients) { - client.sendMessage(message); - } - } - } - - public static void reportConnections(int logLevel) { - synchronized(proxyClients) { - Logger.msg(logLevel, "Currently connected proxy clients:"); - for (ProxyClientConnection client : proxyClients) { - Logger.msg(logLevel, " "+client); - } - } - } - - public static void shutdownServer() { - if (proxyServer != null) { - Logger.msg(1, "EntityProxyManager: Closing Server."); - proxyServer.stopListening(); - } - } - - public static void registerProxyClient(ProxyClientConnection client) { - synchronized(proxyClients) { - proxyClients.add(client); - } - } - - public static void unRegisterProxyClient(ProxyClientConnection client) { - synchronized(proxyClients) { - proxyClients.remove(client); - } - } -} - -- cgit v1.2.3