dubbo NettyRestProtocolServer 源码

dubbo NettyRestProtocolServer 代码

文件路径：/dubbo-rpc/dubbo-rpc-rest/src/main/java/org/apache/dubbo/rpc/protocol/rest/NettyRestProtocolServer.java

/*
 * 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.dubbo.rpc.protocol.rest;

import org.apache.dubbo.common.URL;
import org.apache.dubbo.common.utils.NetUtils;

import io.netty.channel.ChannelOption;
import org.jboss.resteasy.plugins.server.netty.NettyJaxrsServer;
import org.jboss.resteasy.spi.ResteasyDeployment;

import java.util.HashMap;
import java.util.Map;

import static org.apache.dubbo.common.constants.CommonConstants.DEFAULT_THREADS;
import static org.apache.dubbo.common.constants.CommonConstants.IO_THREADS_KEY;
import static org.apache.dubbo.common.constants.CommonConstants.THREADS_KEY;
import static org.apache.dubbo.remoting.Constants.BIND_IP_KEY;
import static org.apache.dubbo.remoting.Constants.BIND_PORT_KEY;
import static org.apache.dubbo.remoting.Constants.DEFAULT_IO_THREADS;
import static org.apache.dubbo.remoting.Constants.DEFAULT_PAYLOAD;
import static org.apache.dubbo.remoting.Constants.PAYLOAD_KEY;
import static org.apache.dubbo.rpc.protocol.rest.Constants.DEFAULT_KEEP_ALIVE;
import static org.apache.dubbo.rpc.protocol.rest.Constants.KEEP_ALIVE_KEY;

/**
 * Netty server can't support @Context injection of servlet objects since it's not a servlet container
 *
 */
public class NettyRestProtocolServer extends BaseRestProtocolServer {

    private final NettyJaxrsServer server = new NettyJaxrsServer();

    @Override
    protected void doStart(URL url) {
        String bindIp = url.getParameter(BIND_IP_KEY, url.getHost());
        if (!url.isAnyHost() && NetUtils.isValidLocalHost(bindIp)) {
            server.setHostname(bindIp);
        }
        server.setPort(url.getParameter(BIND_PORT_KEY, url.getPort()));
        Map<ChannelOption, Object> channelOption = new HashMap<ChannelOption, Object>();
        channelOption.put(ChannelOption.SO_KEEPALIVE, url.getParameter(KEEP_ALIVE_KEY, DEFAULT_KEEP_ALIVE));
        server.setChildChannelOptions(channelOption);
        server.setExecutorThreadCount(url.getParameter(THREADS_KEY, DEFAULT_THREADS));
        server.setIoWorkerCount(url.getParameter(IO_THREADS_KEY, DEFAULT_IO_THREADS));
        server.setMaxRequestSize(url.getParameter(PAYLOAD_KEY, DEFAULT_PAYLOAD));
        server.start();
    }

    @Override
    public void close() {
        server.stop();
    }

    @Override
    protected ResteasyDeployment getDeployment() {
        return server.getDeployment();
    }
}

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