Integration of fcaps applications

[vpnservice.git] / fcapsapplication / fcapsapplication-impl / src / main / java / org / opendaylight / vpnservice / fcapsapp / alarm / AlarmAgent.java

diff --git a/fcapsapplication/fcapsapplication-impl/src/main/java/org/opendaylight/vpnservice/fcapsapp/alarm/AlarmAgent.java b/fcapsapplication/fcapsapplication-impl/src/main/java/org/opendaylight/vpnservice/fcapsapp/alarm/AlarmAgent.java
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+/*
+ * Copyright (c) 2016 Ericsson India Global Services Pvt Ltd. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.vpnservice.fcapsapp.alarm;
+
+import org.opendaylight.vpnservice.fcapsappjmx.ControlPathFailureAlarm;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.management.MBeanServer;
+import javax.management.MalformedObjectNameException;
+import javax.management.ObjectName;
+import java.lang.management.ManagementFactory;
+
+public class AlarmAgent {
+    static Logger s_logger = LoggerFactory.getLogger(AlarmAgent.class);
+    private MBeanServer mbs = null;
+    private ObjectName alarmName = null;
+    private static final String BEANNAME = "SDNC.FM:name=ControlPathFailureAlarmBean";
+    private static ControlPathFailureAlarm alarmBean = new ControlPathFailureAlarm();
+
+    /**
+     * constructor get the instance of platform MBeanServer
+     */
+    public AlarmAgent() {
+        mbs = ManagementFactory.getPlatformMBeanServer();
+        try {
+            alarmName = new ObjectName(BEANNAME);
+        } catch (MalformedObjectNameException e) {
+            s_logger.error("ObjectName instance creation failed for BEANAME {} : {}",BEANNAME, e);
+        }
+    }
+
+    /**
+     * Method registers alarm mbean in platform MbeanServer
+     */
+    public void registerAlarmMbean() {
+        try {
+            if (!mbs.isRegistered(alarmName)) {
+                mbs.registerMBean(alarmBean, alarmName);
+                s_logger.info("Registered Mbean {} successfully", alarmName);
+            }
+        } catch (Exception e) {
+            s_logger.error("Registeration failed for Mbean {} :{}", alarmName,e);
+        }
+    }
+
+    /**
+     * Method invoke raise alarm JMX API in platform MbeanServer with alarm details
+     * @param alarmId
+     *          alarm to be raised
+     * @param text
+     *          Additional details describing about the alarm on which dpnId and hostname
+     * @param src
+     *         Source of the alarm ex: dpnId=openflow:1
+     *            the source node that caused this alarm
+     */
+    public void invokeFMraisemethod(String alarmId,String text,String src) {
+        try {
+            mbs.invoke(alarmName, "raiseAlarm", new Object[]{alarmId, text, src},
+                    new String[]{String.class.getName(), String.class.getName(), String.class.getName()});
+            s_logger.debug("Invoked raiseAlarm function for Mbean {} with source {}", BEANNAME, src);
+        } catch (Exception e) {
+            s_logger.error("Invoking raiseAlarm method failed for Mbean {} :{}", alarmName,e);
+        }
+    }
+
+    /**
+     * Method invoke clear alarm JMX API in platform MbeanServer with alarm details
+     * @param alarmId
+     *          alarm to be cleared
+     * @param text
+     *          Additional details describing about the alarm on which dpnId and hostname
+     * @param src
+     *         Source of the alarm ex: dpn=openflow:1
+     *            the source node that caused this alarm
+     */
+    public void invokeFMclearmethod(String alarmId,String text,String src) {
+        try {
+            mbs.invoke(alarmName, "clearAlarm", new Object[]{alarmId, text, src},
+                    new String[]{String.class.getName(), String.class.getName(), String.class.getName()});
+            s_logger.debug("Invoked clearAlarm function for Mbean {} with source {}",BEANNAME,src);
+        } catch (Exception e) {
+            s_logger.error("Invoking clearAlarm method failed for Mbean {} :{}", alarmName,e);
+        }
+    }
+
+    /**
+     * Method gets the alarm details to be raised and construct the alarm objects
+     * @param nodeId
+     *         Source of the alarm dpnId
+     * @param host
+     *         Controller hostname
+     */
+    public void raiseControlPathAlarm(String nodeId,String host) {
+        StringBuilder alarmText = new StringBuilder();
+        StringBuilder source = new StringBuilder();
+
+        if (host != null) {
+            try {
+                alarmText.append("OF Switch ").append(nodeId).append(" lost heart beat communication with controller ")
+                        .append(host);
+                source.append("Dpn=").append(nodeId);
+
+                s_logger.debug("Raising ControlPathConnectionFailure alarm... alarmText {} source {} ", alarmText, source);
+                //Invokes JMX raiseAlarm method
+                invokeFMraisemethod("ControlPathConnectionFailure", alarmText.toString(), source.toString());
+            } catch (Exception e) {
+                s_logger.error("Exception before invoking raise method in jmx {}", e);
+            }
+        } else {
+            s_logger.error("Received hostname is null");
+        }
+    }
+
+    /**
+     * Method gets the alarm details to be cleared and construct the alarm objects
+     * @param nodeId
+     *         Source of the alarm dpnId
+     */
+    public void clearControlPathAlarm(String nodeId) {
+        StringBuilder source = new StringBuilder();
+
+        try {
+            source.append("Dpn=").append(nodeId);
+            s_logger.debug("Clearing ControlPathConnectionFailure alarm of source {} ", source);
+            //Invokes JMX clearAlarm method
+            invokeFMclearmethod("ControlPathConnectionFailure", "OF Switch gained communication with controller",
+                    source.toString());
+        } catch (Exception e) {
+            s_logger.error("Exception before invoking clear method jmx {}", e);
+        }
+    }
+}
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