sailfish.remoting.utils.ChannelUtil.java Source code

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Here is the source code for sailfish.remoting.utils.ChannelUtil.java

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/**
 *
 *   Copyright 2016-2016 spccold
 *
 *   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 sailfish.remoting.utils;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import io.netty.channel.Channel;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelFutureListener;
import io.netty.channel.ChannelHandlerContext;
import io.netty.util.Attribute;
import sailfish.remoting.constants.ChannelAttrKeys;

/**
 * @author spccold
 * @version $Id: ChannelUtil.java, v 0.1 20161123 ?11:13:40 spccold Exp $
 */
public class ChannelUtil {

    private static final Logger logger = LoggerFactory.getLogger(ChannelUtil.class);

    public static boolean clientSide(ChannelHandlerContext ctx) {
        Attribute<Boolean> clientSideAttr = ctx.channel().attr(ChannelAttrKeys.clientSide);
        return (null != clientSideAttr && null != clientSideAttr.get() && clientSideAttr.get());
    }

    public static void closeChannel(final Channel channel) {
        if (null == channel) {
            return;
        }
        channel.close().addListener(new ChannelFutureListener() {
            @Override
            public void operationComplete(ChannelFuture future) throws Exception {
                String log = String.format(
                        "closeChannel: close connection to remoteAddress [%s] , localAddress [%s], ret:[%b]",
                        null != channel.remoteAddress() ? channel.remoteAddress().toString() : "null",
                        null != channel.localAddress() ? channel.localAddress().toString() : "null",
                        future.isSuccess());
                logger.info(log);
            }
        });
    }
}