org.server.core.netty.tcp.BaseConnector.java Source code

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Here is the source code for org.server.core.netty.tcp.BaseConnector.java

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/**
 * Copyright 20151121 Hxms.
 *
 * 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 org.server.core.netty.tcp;

import java.net.InetSocketAddress;

import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelFutureListener;
import io.netty.channel.socket.nio.NioSocketChannel;

/**
 * 
 *  tcp 
 * 
 * @author Hxms
 *         
 */
class BaseConnector extends BaseSession {

    /**
     * ?
     */
    ChannelFuture connectFuture;

    /**
     * ?
     * 
     * @return ?
     */
    protected ChannelFuture validConnectTask() {
        if (connectFuture == null)
            return null;
        ChannelFuture future = connectFuture;
        connectFuture = null;
        return future;
    }

    /**
     * ??
     */
    protected void connectFutureFinish(ChannelFuture future) {
        future = validConnectTask();
        if (future != null) {
            connectFinalCallback(future, 0);
        }
    }

    /**
     * 
     * ?
     * 
     * @param future
     *            ?
     * 
     * @param retryCount
     *            ?
     */
    protected void connectFinalCallback(ChannelFuture future, int retryCount) {
        // close before channel
        closeChannel();
        // assignment new channel
        channel = (NioSocketChannel) future.channel();
        // call the event
        safeCallHandle(h -> h.onConnectFinish(future.isSuccess(), channel, future.cause(), retryCount));
    }

    /**
     * 
     * 
     * @param hostname
     *            ??
     * @param port
     *            ?
     */
    public boolean connect(String hostname, int port) {
        return connect(new InetSocketAddress(hostname, port));
    }

    /**
     * 
     * 
     * @param socketAddress
     *            ?
     * @return ???
     */
    public boolean connect(InetSocketAddress socketAddress) {
        if (connectFuture != null)
            return false;
        ChannelFutureListener listener = this::connectFutureFinish;
        connectFuture = bootstrap.connect(socketAddress);
        connectFuture.addListener(listener);
        return true;
    }

    /**
     * ?
     * 
     * @throws InterruptedException
     */
    public void waitConnect() throws InterruptedException {
        if (connectFuture != null)
            connectFuture.sync();
    }

    /*
     * (non-Javadoc)
     * 
     * @see java.lang.AutoCloseable#close()
     */
    @Override
    public void close() throws Exception {
        closeChannel();
    }
}