/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.log4j.net;

import java.util.EventListener;

/**
 * Interface used to listen for {@link SocketNode} related
 * events. Clients register an instance of the interface and the
 * instance is called back when the various events occur.
 *
 * @author Mark Womack
 * @author Paul Smith (psmith@apache.org)
 */
public interface SocketNodeEventListener extends EventListener {

    /**
     * Called when the SocketNode is created and begins awaiting data.
     *
     * @param remoteInfo remote info
     */
    void socketOpened(String remoteInfo);

    /**
     * Called when the socket the node was given has been closed.
     *
     * @param e exception
     */
    void socketClosedEvent(Exception e);
}
