org.onlab.stc

Class MonitorWebSocketServlet

java.lang.Object

javax.servlet.GenericServlet

javax.servlet.http.HttpServlet

org.eclipse.jetty.websocket.WebSocketServlet

org.onlab.stc.MonitorWebSocketServlet

All Implemented Interfaces:

Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig, org.eclipse.jetty.websocket.WebSocketFactory.Acceptor, MonitorDelegate

public class MonitorWebSocketServlet
extends org.eclipse.jetty.websocket.WebSocketServlet
implements MonitorDelegate

Web socket servlet capable of creating web sockets for the STC monitor.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
MonitorWebSocketServlet()

Method Summary

Modifier and Type	Method and Description
static void	closeAll() Closes all currently open monitor web-sockets.
protected void	doGet(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse resp)
org.eclipse.jetty.websocket.WebSocket	doWebSocketConnect(javax.servlet.http.HttpServletRequest request, String protocol)
void	init()
void	notify(com.fasterxml.jackson.databind.node.ObjectNode event) Issues JSON event to be sent to any connected monitor clients.
static void	setMonitor(Monitor m) Binds the shared process flow monitor.

Methods inherited from class org.eclipse.jetty.websocket.WebSocketServlet

checkOrigin, destroy, service

Methods inherited from class javax.servlet.http.HttpServlet

doDelete, doHead, doOptions, doPost, doPut, doTrace, getLastModified, service

Methods inherited from class javax.servlet.GenericServlet

getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, log, log

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MonitorWebSocketServlet

public MonitorWebSocketServlet()

Method Detail

setMonitor

public static void setMonitor(Monitor m)

Binds the shared process flow monitor.

Parameters:

m - process monitor reference

closeAll

public static void closeAll()

Closes all currently open monitor web-sockets.

init

public void init()
          throws javax.servlet.ServletException

Overrides:

init in class org.eclipse.jetty.websocket.WebSocketServlet

Throws:

javax.servlet.ServletException

doGet

protected void doGet(javax.servlet.http.HttpServletRequest req,
                     javax.servlet.http.HttpServletResponse resp)
              throws javax.servlet.ServletException,
                     IOException

Overrides:

doGet in class javax.servlet.http.HttpServlet

Throws:

javax.servlet.ServletException

IOException

doWebSocketConnect

public org.eclipse.jetty.websocket.WebSocket doWebSocketConnect(javax.servlet.http.HttpServletRequest request,
                                                                String protocol)

Specified by:

doWebSocketConnect in interface org.eclipse.jetty.websocket.WebSocketFactory.Acceptor

notify

public void notify(com.fasterxml.jackson.databind.node.ObjectNode event)

Description copied from interface: MonitorDelegate

Issues JSON event to be sent to any connected monitor clients.

Specified by:

notify in interface MonitorDelegate

Parameters:

event - JSON event data