com.sun.grizzly.http.KeepAliveStats Maven / Gradle / Ivy
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package com.sun.grizzly.http;
/**
* Class collecting keep-alive statistics.
*
* There is one instance of this class per HTTP listener (ie., SelectorThread).
* Each instance exposes its stats as an MBean with an object name of the
* form ":type=KeepAlive,name=http", where is replaced
* with the port number of the associated HTTP listener.
*
* @author Jan Luehe
*/
public class KeepAliveStats {
private int countConnections;
private int maxConnections;
private int countHits;
private int countFlushes;
private int countRefusals;
private int countTimeouts;
private int secondsTimeouts;
/**
* Gets the number of connections in keep-alive mode.
*
* @return Number of connections in keep-alive mode
*/
public synchronized int getCountConnections() {
return countConnections;
}
/**
* Increments the number of connections in keep-alive mode.
*/
public synchronized void incrementCountConnections() {
countConnections++;
}
/**
* Decrement the number of connections in keep-alive mode.
*/
protected synchronized void decrementCountConnections() {
countConnections--;
}
/**
* Sets the maximum number of concurrent connections in keep-alive mode.
*
* @param maxConnections Maximum number of concurrent connections in
* keep-alive mode.
*/
public void setMaxConnections(int maxConnections) {
this.maxConnections = maxConnections;
}
/**
* Gets the maximum number of concurrent connections in keep-alive mode.
*
* @return Maximum number of concurrent connections in keep-alive mode
*/
public int getMaxConnections() {
return maxConnections;
}
/**
* Gets the number of requests received by connections in keep-alive mode.
*
* @return Number of requests received by connections in keep-alive mode.
*/
public synchronized int getCountHits() {
return countHits;
}
/**
* Increments the number of requests received by connections in
* keep-alive mode.
*/
public synchronized void incrementCountHits() {
countHits++;
}
/**
* Gets the number of keep-alive connections that were closed
*
* @return Number of keep-alive connections that were closed
*/
public synchronized int getCountFlushes() {
return countFlushes;
}
/**
* Increments the number of keep-alive connections that were closed
*/
public synchronized void incrementCountFlushes() {
countFlushes++;
}
/**
* Gets the number of keep-alive connections that were rejected.
*
* @return Number of keep-alive connections that were rejected.
*/
public synchronized int getCountRefusals() {
return countRefusals;
}
/**
* Increments the number of keep-alive connections that were rejected.
*/
public synchronized void incrementCountRefusals() {
countRefusals++;
}
/**
* Gets the number of keep-alive connections that timed out.
*
* @return Number of keep-alive connections that timed out.
*/
public synchronized int getCountTimeouts() {
return countTimeouts;
}
/**
* Increments the number of keep-alive connections that timed out.
*/
public synchronized void incrementCountTimeouts() {
countTimeouts++;
}
/**
* Sets the number of seconds before a keep-alive connection that has
* been idle times out and is closed.
*
* @param timeout Keep-alive timeout in number of seconds
*/
public void setSecondsTimeouts(int timeout) {
secondsTimeouts = timeout;
}
/**
* Gets the number of seconds before a keep-alive connection that has
* been idle times out and is closed.
*
* @return Keep-alive timeout in number of seconds
*/
public int getSecondsTimeouts() {
return secondsTimeouts;
}
}