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*
* Copyright (c) 2010-2015 Oracle and/or its affiliates. All rights reserved.
*
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* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
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* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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*/
package org.glassfish.grizzly.http.server;
import org.glassfish.grizzly.Connection;
/**
* Monitoring probe providing callbacks that may be invoked by Grizzly {@link HttpServerFilter}.
*
* @author Alexey Stashok
*
* @since 2.0
*/
public interface HttpServerProbe {
/**
* Method will be called, when new {@link Request} will come.
*
* @param filter {@link HttpServerFilter}, the event belongs to.
* @param connection {@link Connection}, the event belongs to.
* @param request received {@link Request}.
*/
void onRequestReceiveEvent(HttpServerFilter filter,
Connection connection, Request request);
/**
* Method will be called, when {@link Request} processing will be completed.
*
* @param filter {@link HttpServerFilter}, the event belongs to.
* @param connection {@link Connection}, the event belongs to.
* @param response sent {@link Response}.
*/
void onRequestCompleteEvent(HttpServerFilter filter,
Connection connection, Response response);
/**
* Method will be called, when {@link Request} processing is suspended.
*
* @param filter {@link HttpServerFilter}, the event belongs to.
* @param connection {@link Connection}, the event belongs to.
* @param request {@link Request}.
*/
void onRequestSuspendEvent(HttpServerFilter filter,
Connection connection, Request request);
/**
* Method will be called, when {@link Request} processing is resumed.
*
* @param filter {@link HttpServerFilter}, the event belongs to.
* @param connection {@link Connection}, the event belongs to.
* @param request {@link Request}.
*/
void onRequestResumeEvent(HttpServerFilter filter,
Connection connection, Request request);
/**
* Method will be called, when {@link Request} processing is timeout
* after suspend.
*
* @param filter {@link HttpServerFilter}, the event belongs to.
* @param connection {@link Connection}, the event belongs to.
* @param request {@link Request}.
*/
void onRequestTimeoutEvent(HttpServerFilter filter,
Connection connection, Request request);
/**
* Method will be called, when {@link Request} processing is cancelled
* after suspend.
*
* @param filter {@link HttpServerFilter}, the event belongs to.
* @param connection {@link Connection}, the event belongs to.
* @param request {@link Request}.
*/
void onRequestCancelEvent(HttpServerFilter filter,
Connection connection, Request request);
/**
* Method will be called, before invoking
* {@link HttpHandler#service(org.glassfish.grizzly.http.server.Request, org.glassfish.grizzly.http.server.Response)}.
*
* @param filter {@link HttpServerFilter}, the event belongs to.
* @param connection {@link Connection}, the event belongs to.
* @param request received {@link Request}.
* @param httpHandler {@link HttpHandler} to be invoked.
*/
void onBeforeServiceEvent(HttpServerFilter filter,
Connection connection, Request request, HttpHandler httpHandler);
// ---------------------------------------------------------- Nested Classes
/**
* {@link HttpServerProbe} adapter that provides no-op implementations for
* all interface methods allowing easy extension by the developer.
*
* @since 2.1.9
*/
@SuppressWarnings("UnusedDeclaration")
class Adapter implements HttpServerProbe {
// ---------------------------------------- Methods from HttpServerProbe
/**
* {@inheritDoc}
*/
@Override
public void onRequestReceiveEvent(HttpServerFilter filter, Connection connection, Request request) {}
/**
* {@inheritDoc}
*/
@Override
public void onRequestCompleteEvent(HttpServerFilter filter, Connection connection, Response response) {}
/**
* {@inheritDoc}
*/
@Override
public void onRequestSuspendEvent(HttpServerFilter filter, Connection connection, Request request) {}
/**
* {@inheritDoc}
*/
@Override
public void onRequestResumeEvent(HttpServerFilter filter, Connection connection, Request request) {}
/**
* {@inheritDoc}
*/
@Override
public void onRequestTimeoutEvent(HttpServerFilter filter, Connection connection, Request request) {}
@Override
public void onRequestCancelEvent(HttpServerFilter filter, Connection connection, Request request) {}
/**
* {@inheritDoc}
*/
@Override
public void onBeforeServiceEvent(HttpServerFilter filter, Connection connection, Request request, HttpHandler httpHandler) {}
}
}
