/*
* Conditions Of Use
*
* This software was developed by employees of the National Institute of
* Standards and Technology (NIST), an agency of the Federal Government.
* Pursuant to title 15 Untied States Code Section 105, works of NIST
* employees are not subject to copyright protection in the United States
* and are considered to be in the public domain. As a result, a formal
* license is not needed to use the software.
*
* This software is provided by NIST as a service and is expressly
* provided "AS IS." NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED
* OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT
* AND DATA ACCURACY. NIST does not warrant or make any representations
* regarding the use of the software or the results thereof, including but
* not limited to the correctness, accuracy, reliability or usefulness of
* the software.
*
* Permission to use this software is contingent upon your acceptance
* of the terms of this agreement
*
* .
*
*/
package gov.nist.javax.sip.stack;
import java.util.Properties;
import gov.nist.javax.sip.SipStackImpl;
import gov.nist.javax.sip.stack.CallAnalyzer.MetricAnalysisConfiguration;
import gov.nist.javax.sip.stack.CallAnalyzer.MetricReference;
import javax.sip.SipStack;
import javax.sip.message.Message;
/**
* This sample interceptor keeps track of requests stuck in JAIN SIP threads and prints a thread dump
* when such event occurs periodically.
* @author Vladimir Ralev
*
*/
public class CallAnalysisInterceptor implements SIPEventInterceptor {
private CallAnalyzer callAnalyzer;
private static final MetricReference interceptorCheckpoint = new MetricReference("ick");
public void afterMessage(Message message) {
callAnalyzer.leave(interceptorCheckpoint);
}
public void beforeMessage(Message message) {
callAnalyzer.enter(interceptorCheckpoint);
}
public void destroy() {
callAnalyzer.stop();
callAnalyzer = null;
}
public void init(SipStack stack) {
callAnalyzer = new CallAnalyzer(((SipStackImpl) stack));
Properties props = ((SipStackImpl) stack).getConfigurationProperties();
Long checkingInterval = Long.parseLong(
props.getProperty(CallAnalysisInterceptor.class.getName() + ".checkingInterval", "1000"));
Long minStuckTime = Long.parseLong(
props.getProperty(CallAnalysisInterceptor.class.getName() + ".minStuckTIme", "4000"));
Long minTimeBetweenDumps = Long.parseLong(
props.getProperty(CallAnalysisInterceptor.class.getName() + ".minTimeBetweenDumps", "2000"));
MetricAnalysisConfiguration config = new MetricAnalysisConfiguration(
checkingInterval, minTimeBetweenDumps, minStuckTime);
callAnalyzer.configure(interceptorCheckpoint, config);
}
}