com.generallycloud.baseio.acceptor.AbstractChannelAcceptor Maven / Gradle / Ivy

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/*
 * Copyright 2015-2017 GenerallyCloud.com
 *  
 * Licensed 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 com.generallycloud.baseio.acceptor;

import java.io.IOException;
import java.net.InetSocketAddress;

import com.generallycloud.baseio.TimeoutException;
import com.generallycloud.baseio.common.Logger;
import com.generallycloud.baseio.common.LoggerFactory;
import com.generallycloud.baseio.common.LoggerUtil;
import com.generallycloud.baseio.component.AbstractChannelService;
import com.generallycloud.baseio.concurrent.Waiter;
import com.generallycloud.baseio.configuration.ServerConfiguration;

public abstract class AbstractChannelAcceptor extends AbstractChannelService implements ChannelAcceptor{

	private Logger logger = LoggerFactory.getLogger(getClass());

	@Override
	public void bind() throws IOException {
		this.initialize();
	}

	protected void initService(ServerConfiguration configuration) throws IOException {

		this.serverAddress = new InetSocketAddress(configuration.getSERVER_PORT());
		
		this.bind(getServerSocketAddress());

		LoggerUtil.prettyNIOServerLog(logger, "server listening @{}", getServerSocketAddress());
	}

	protected abstract void bind(InetSocketAddress socketAddress) throws IOException;

	@Override
	public boolean isActive() {
		return active;
	}

	@Override
	public void unbind() throws TimeoutException {

		Waiter waiter = asynchronousUnbind();

		if (waiter.await()) {
			// FIXME never timeout
			throw new TimeoutException("timeout to unbind");
		}
	}
	
	@Override
	protected void setServerCoreSize(ServerConfiguration configuration) {
		if (this instanceof DatagramChannelAcceptor) {
			configuration.setSERVER_CORE_SIZE(1);
		}
	}
	
	@Override
	public Waiter asynchronousUnbind() {
		return destroy();
	}
	
}