/*
* 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.nifi.processor.util.listen.dispatcher;
import java.io.IOException;
import java.net.InetAddress;
/**
* Dispatches handlers for a given channel.
*/
public interface ChannelDispatcher extends Runnable {
/**
* Opens the dispatcher listening on the given port and attempts to set the
* OS socket buffer to maxBufferSize.
*
* @param nicAddress the local network interface to listen on, if null will listen on the wildcard address
* which means listening on all local network interfaces
*
* @param port the port to listen on
*
* @param maxBufferSize the size to set the OS socket buffer to
*
* @throws IOException if an error occurred listening on the given port
*/
void open(InetAddress nicAddress, int port, int maxBufferSize) throws IOException;
/**
* @return the port being listened to
*/
int getPort();
/**
* Closes all listeners and stops all handler threads.
*/
void close();
}