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/**
 * Copyright (C) 2010-2013 Alibaba Group Holding Limited
 *
 * 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.alibaba.rocketmq.remoting;

import com.alibaba.rocketmq.remoting.common.Pair;
import io.netty.channel.Channel;

import java.util.concurrent.ExecutorService;

import com.alibaba.rocketmq.remoting.exception.RemotingSendRequestException;
import com.alibaba.rocketmq.remoting.exception.RemotingTimeoutException;
import com.alibaba.rocketmq.remoting.exception.RemotingTooMuchRequestException;
import com.alibaba.rocketmq.remoting.netty.NettyRequestProcessor;
import com.alibaba.rocketmq.remoting.protocol.RemotingCommand;


/**
 * 远程通信，Server接口
 * 
 * @author shijia.wxr
 * @since 2013-7-13
 */
public interface RemotingServer extends RemotingService {

    /**
     * 注册请求处理器，ExecutorService必须要对应一个队列大小有限制的阻塞队列，防止OOM
     * 
     * @param requestCode
     * @param processor
     * @param executor
     */
    public void registerProcessor(final int requestCode, final NettyRequestProcessor processor,
            final ExecutorService executor);


    public void registerDefaultProcessor(final NettyRequestProcessor processor, final ExecutorService executor);


    /**
     * 服务器绑定的本地端口
     * 
     * @return PORT
     */
    public int localListenPort();


    public Pair getProcessorPair(final int requestCode);


    public RemotingCommand invokeSync(final Channel channel, final RemotingCommand request,
            final long timeoutMillis) throws InterruptedException, RemotingSendRequestException,
            RemotingTimeoutException;


    public void invokeAsync(final Channel channel, final RemotingCommand request, final long timeoutMillis,
            final InvokeCallback invokeCallback) throws InterruptedException,
            RemotingTooMuchRequestException, RemotingTimeoutException, RemotingSendRequestException;


    public void invokeOneway(final Channel channel, final RemotingCommand request, final long timeoutMillis)
            throws InterruptedException, RemotingTooMuchRequestException, RemotingTimeoutException,
            RemotingSendRequestException;

}