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/*
* Copyright (c) 2010, 2020 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package org.glassfish.grizzly;
/**
* Monitoring probe providing callbacks that may be invoked by Grizzly {@link Connection} implementations.
*
* @author Alexey Stashok
*
* @since 2.0
*/
public interface ConnectionProbe {
/**
* Method will be called, when server side connection gets bound.
*
* @param connection {@link Connection}, the event belongs to.
*/
void onBindEvent(Connection connection);
/**
* Method will be called, when server side connection gets accepted.
*
* @param serverConnection server {@link Connection}, the event belongs to.
* @param clientConnection new client {@link Connection}.
*/
void onAcceptEvent(Connection serverConnection, Connection clientConnection);
/**
* Method will be called, when client side connection gets connected (opened).
*
* @param connection {@link Connection}, the event belongs to.
*/
void onConnectEvent(Connection connection);
/**
* Method will be called, when the {@link Connection} has read data.
*
* @param connection {@link Connection}, the event belongs to.
* @param data {@link Buffer}, where the data gets read.
* @param size the data size.
*/
void onReadEvent(Connection connection, Buffer data, int size);
/**
* Method will be called, when the {@link Connection} has written data.
*
* @param connection {@link Connection}, the event belongs to.
* @param data {@link Buffer}, where the data gets writen.
* @param size the data size.
*/
void onWriteEvent(Connection connection, Buffer data, long size);
/**
* Method will be called, when error occurs on the {@link Connection}.
*
* @param connection {@link Connection}, the event belongs to.
* @param error error
*/
void onErrorEvent(Connection connection, Throwable error);
/**
* Method will be called, when {@link Connection} gets closed.
*
* @param connection {@link Connection}, the event belongs to.
*/
void onCloseEvent(Connection connection);
/**
* Method will be called, when {@link IOEvent} for the specific {@link Connection} gets ready.
*
* @param connection {@link Connection}, the event belongs to.
* @param ioEvent {@link IOEvent}.
*/
void onIOEventReadyEvent(Connection connection, IOEvent ioEvent);
/**
* Method will be called, when {@link IOEvent} for the specific {@link Connection} gets enabled.
*
* @param connection {@link Connection}, the event belongs to.
* @param ioEvent {@link IOEvent}.
*/
void onIOEventEnableEvent(Connection connection, IOEvent ioEvent);
/**
* Method will be called, when {@link IOEvent} for the specific {@link Connection} gets disabled.
*
* @param connection {@link Connection}, the event belongs to.
* @param ioEvent {@link IOEvent}.
*/
void onIOEventDisableEvent(Connection connection, IOEvent ioEvent);
// ---------------------------------------------------------- Nested Classes
/**
* {@link ConnectionProbe} 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 ConnectionProbe {
// ---------------------------------------- Methods from ConnectionProbe
/**
* {@inheritDoc}
*/
@Override
public void onBindEvent(Connection connection) {
}
/**
* {@inheritDoc}
*/
@Override
public void onAcceptEvent(Connection serverConnection, Connection clientConnection) {
}
/**
* {@inheritDoc}
*/
@Override
public void onConnectEvent(Connection connection) {
}
/**
* {@inheritDoc}
*/
@Override
public void onReadEvent(Connection connection, Buffer data, int size) {
}
/**
* {@inheritDoc}
*/
@Override
public void onWriteEvent(Connection connection, Buffer data, long size) {
}
/**
* {@inheritDoc}
*/
@Override
public void onErrorEvent(Connection connection, Throwable error) {
}
/**
* {@inheritDoc}
*/
@Override
public void onCloseEvent(Connection connection) {
}
/**
* {@inheritDoc}
*/
@Override
public void onIOEventReadyEvent(Connection connection, IOEvent ioEvent) {
}
/**
* {@inheritDoc}
*/
@Override
public void onIOEventEnableEvent(Connection connection, IOEvent ioEvent) {
}
/**
* {@inheritDoc}
*/
@Override
public void onIOEventDisableEvent(Connection connection, IOEvent ioEvent) {
}
} // END Adapter
}
