summaryrefslogtreecommitdiff
path: root/src/main/java/org/cristalise/kernel/entity/proxy/ProxyServer.java
diff options
context:
space:
mode:
authorAndrew Branson <andrew.branson@cern.ch>2014-10-07 09:18:11 +0200
committerAndrew Branson <andrew.branson@cern.ch>2014-10-07 09:18:11 +0200
commit0ed2c1124cf1b9e49a2ec1fa0126a8df09f9e758 (patch)
treee3a56cee83865f8c703deb790c15d3e79e871a82 /src/main/java/org/cristalise/kernel/entity/proxy/ProxyServer.java
parent50aa8aaab42fa62267aa1ae6a6070013096f5082 (diff)
Repackage to org.cristalise
Diffstat (limited to 'src/main/java/org/cristalise/kernel/entity/proxy/ProxyServer.java')
-rw-r--r--src/main/java/org/cristalise/kernel/entity/proxy/ProxyServer.java129
1 files changed, 129 insertions, 0 deletions
diff --git a/src/main/java/org/cristalise/kernel/entity/proxy/ProxyServer.java b/src/main/java/org/cristalise/kernel/entity/proxy/ProxyServer.java
new file mode 100644
index 0000000..249ec0f
--- /dev/null
+++ b/src/main/java/org/cristalise/kernel/entity/proxy/ProxyServer.java
@@ -0,0 +1,129 @@
+/**
+ * This file is part of the CRISTAL-iSE kernel.
+ * Copyright (c) 2001-2014 The CRISTAL Consortium. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; with out even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ *
+ * http://www.fsf.org/licensing/licenses/lgpl.html
+ */
+package org.cristalise.kernel.entity.proxy;
+
+import java.util.ArrayList;
+import java.util.concurrent.LinkedBlockingQueue;
+
+import org.cristalise.kernel.process.Gateway;
+import org.cristalise.kernel.utils.Logger;
+import org.cristalise.kernel.utils.server.SimpleTCPIPServer;
+
+
+public class ProxyServer implements Runnable {
+
+ // server objects
+ ArrayList<ProxyClientConnection> proxyClients;
+ SimpleTCPIPServer proxyListener = null;
+ String serverName = null;
+ boolean keepRunning = true;
+ LinkedBlockingQueue<ProxyMessage> messageQueue;
+
+ public ProxyServer(String serverName) {
+ Logger.msg(5, "ProxyManager::initServer - Starting.....");
+ int port = Gateway.getProperties().getInt("ItemServer.Proxy.port", 0);
+ this.serverName = serverName;
+ this.proxyClients = new ArrayList<ProxyClientConnection>();
+ this.messageQueue = new LinkedBlockingQueue<ProxyMessage>();
+
+ if (port == 0) {
+ Logger.error("ItemServer.Proxy.port not defined in connect file. Remote proxies will not be informed of changes.");
+ return;
+ }
+
+ // set up the proxy server
+ try {
+ Logger.msg(5, "ProxyManager::initServer - Initialising proxy informer on port "+port);
+ proxyListener = new SimpleTCPIPServer(port, ProxyClientConnection.class, 200);
+ proxyListener.startListening();
+ } catch (Exception ex) {
+ Logger.error("Error setting up Proxy Server. Remote proxies will not be informed of changes.");
+ Logger.error(ex);
+ }
+ // start the message queue delivery thread
+ new Thread(this).start();
+ }
+
+ @Override
+ public void run() {
+
+ while(keepRunning) {
+ ProxyMessage message = messageQueue.poll();
+ if (message != null) {
+ synchronized(proxyClients) {
+ for (ProxyClientConnection client : proxyClients) {
+ client.sendMessage(message);
+ }
+ }
+ } else
+ try {
+ synchronized(this) {
+ if (messageQueue.isEmpty()) wait();
+ }
+ } catch (InterruptedException e) { }
+ }
+
+ }
+
+ public String getServerName() {
+ return serverName;
+ }
+
+ public void sendProxyEvent(ProxyMessage message) {
+ try {
+ synchronized(this) {
+ messageQueue.put(message);
+ notify();
+ }
+ } catch (InterruptedException e) { }
+ }
+
+ public void reportConnections(int logLevel) {
+ synchronized(proxyClients) {
+ Logger.msg(logLevel, "Currently connected proxy clients:");
+ for (ProxyClientConnection client : proxyClients) {
+ Logger.msg(logLevel, " "+client);
+ }
+ }
+ }
+
+ public void shutdownServer() {
+ Logger.msg(1, "ProxyManager: Closing Server.");
+ proxyListener.stopListening();
+ synchronized(this) {
+ keepRunning = false;
+ notify();
+ }
+ }
+
+ public void registerProxyClient(ProxyClientConnection client) {
+ synchronized(proxyClients) {
+ proxyClients.add(client);
+ }
+ }
+
+ public void unRegisterProxyClient(ProxyClientConnection client) {
+ synchronized(proxyClients) {
+ proxyClients.remove(client);
+ }
+ }
+
+}