From 2a62ec130f4fec9bd93faeb982739f7ef5c7f017 Mon Sep 17 00:00:00 2001
From: mrossign <mrossign@localhost>
Date: Fri, 06 Nov 2009 09:33:13 +0000
Subject: [PATCH] Forgotten file
---
opends/src/server/org/opends/server/replication/server/MonitoringPublisher.java | 203 ++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 203 insertions(+), 0 deletions(-)
diff --git a/opends/src/server/org/opends/server/replication/server/MonitoringPublisher.java b/opends/src/server/org/opends/server/replication/server/MonitoringPublisher.java
new file mode 100644
index 0000000..eb773bf
--- /dev/null
+++ b/opends/src/server/org/opends/server/replication/server/MonitoringPublisher.java
@@ -0,0 +1,203 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License"). You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at
+ * trunk/opends/resource/legal-notices/OpenDS.LICENSE
+ * or https://OpenDS.dev.java.net/OpenDS.LICENSE.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at
+ * trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
+ * add the following below this CDDL HEADER, with the fields enclosed
+ * by brackets "[]" replaced with your own identifying information:
+ * Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ *
+ *
+ * Copyright 2009 Sun Microsystems, Inc.
+ */
+package org.opends.server.replication.server;
+
+import java.io.IOException;
+import static org.opends.server.loggers.debug.DebugLogger.debugEnabled;
+import static org.opends.server.loggers.debug.DebugLogger.getTracer;
+
+import org.opends.server.api.DirectoryThread;
+import org.opends.server.loggers.debug.DebugTracer;
+import org.opends.server.replication.protocol.MonitorMsg;
+
+/**
+ * This thread regularly publishes monitoring information:
+ * - it sends monitoring messages regarding the direct topology (directly
+ * connected DSs and RSs) to the connected RSs
+ * - it sends monitoring messages regarding the whole topology (also includes
+ * the local RS) to the connected DSs
+ * Note: as of today, monitoring messages mainly contains the server state of
+ * the entities.
+ */
+public class MonitoringPublisher extends DirectoryThread
+{
+
+ private boolean shutdown = false;
+ /**
+ * The tracer object for the debug logger.
+ */
+ private static final DebugTracer TRACER = getTracer();
+
+ // The domain we send monitoring for
+ private ReplicationServerDomain replicationServerDomain;
+
+ // Sleep time (in ms) before sending new monitoring messages.
+ private long period = 3000;
+
+ // Is the thread terminated ?
+ private boolean done = false;
+
+ private final Object sleeper = new Object();
+
+ /**
+ * Create a monitoring publisher.
+ * @param replicationServerDomain The ReplicationServerDomain the monitoring
+ * publisher is for.
+ * @param period The sleep time to use
+ */
+ public MonitoringPublisher(ReplicationServerDomain replicationServerDomain,
+ long period)
+ {
+ super("Monitoring publisher for " +
+ replicationServerDomain.getBaseDn() + " in RS " +
+ replicationServerDomain.getReplicationServer().getServerId());
+
+ this.replicationServerDomain = replicationServerDomain;
+ this.period = period;
+ }
+
+ /**
+ * Run method for the monitoring publisher.
+ */
+ @Override
+ public void run()
+ {
+ if (debugEnabled())
+ {
+ TRACER.debugInfo("Monitoring publisher starting for dn " +
+ replicationServerDomain.getBaseDn().toString());
+ }
+
+ while (!shutdown)
+ {
+ try
+ {
+ synchronized (sleeper)
+ {
+ sleeper.wait(period);
+ }
+ } catch (InterruptedException ex)
+ {
+ TRACER.debugInfo("Monitoring publisher for dn " +
+ replicationServerDomain.getBaseDn().toString() + " in RS " +
+ replicationServerDomain.getReplicationServer().getServerId() +
+ " has been interrupted while sleeping.");
+ }
+
+ // Send global topology information to peer DSs
+ MonitorMsg monitorMsg =
+ replicationServerDomain.createGlobalTopologyMonitorMsg(0, 0);
+ int localServerId =
+ replicationServerDomain.getReplicationServer().getServerId();
+ if (monitorMsg != null)
+ {
+ for (ServerHandler serverHandler :
+ replicationServerDomain.getConnectedDSs().values())
+ {
+ // Set the right sender and destination ids
+ monitorMsg.setSenderID(localServerId);
+ monitorMsg.setDestination(serverHandler.getServerId());
+ try
+ {
+ serverHandler.send(monitorMsg);
+ } catch (IOException e)
+ {
+ // Server is disconnecting ? Forget it
+ }
+ }
+ }
+ }
+
+ done = true;
+ TRACER.debugInfo("Monitoring publisher for dn " +
+ replicationServerDomain.getBaseDn().toString() + " is terminated." +
+ " This is in RS " +
+ replicationServerDomain.getReplicationServer().getServerId());
+ }
+
+ /**
+ * Stops the thread.
+ */
+ public void shutdown()
+ {
+ if (debugEnabled())
+ {
+ TRACER.debugInfo("Shutting down monitoring publisher for dn " +
+ replicationServerDomain.getBaseDn().toString() + " in RS " +
+ replicationServerDomain.getReplicationServer().getServerId());
+ }
+ shutdown = true;
+ synchronized (sleeper)
+ {
+ sleeper.notify();
+ }
+ }
+
+ /**
+ * Waits for thread death. If not terminated within 2 seconds,
+ * forces interruption
+ */
+ public void waitForShutdown()
+ {
+ try
+ {
+ int FACTOR = 40; // Wait for 2 seconds before interrupting the thread
+ int n = 0;
+ while ((done == false) && (this.isAlive()))
+ {
+ Thread.sleep(50);
+ n++;
+ if (n >= FACTOR)
+ {
+ TRACER.debugInfo("Interrupting monitoring publisher for dn " +
+ replicationServerDomain.getBaseDn().toString() + " in RS " +
+ replicationServerDomain.getReplicationServer().getServerId());
+ this.interrupt();
+ }
+ }
+ } catch (InterruptedException e)
+ {
+ // exit the loop if this thread is interrupted.
+ }
+ }
+
+ /**
+ * Sets the period value.
+ * @param period The new period value.
+ */
+ public void setPeriod(long period)
+ {
+ if (debugEnabled())
+ {
+ TRACER.debugInfo("Monitoring publisher for dn " +
+ replicationServerDomain.getBaseDn().toString() +
+ " changing period value to " + period);
+ }
+
+ this.period = period;
+ }
+}
--
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