MockServer.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.seata.mockserver;

import java.lang.management.ManagementFactory;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;

import org.apache.seata.common.XID;
import org.apache.seata.common.thread.NamedThreadFactory;
import org.apache.seata.common.util.NetUtil;
import org.apache.seata.server.ParameterParser;
import org.apache.seata.server.UUIDGenerator;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

/**
 * The type Mock Server.
 */
@SpringBootApplication
public class MockServer {

    protected static final Logger LOGGER = LoggerFactory.getLogger(MockServer.class);

    private static ThreadPoolExecutor workingThreads;
    private static MockNettyRemotingServer nettyRemotingServer;

    private static volatile boolean inited = false;

    public static final int DEFAULT_PORT = 8091;

    /**
     * The entry point of application.
     *
     * @param args the input arguments
     */
    public static void main(String[] args) {
        SpringApplication.run(MockServer.class, args);

        ParameterParser parameterParser = new ParameterParser(args);
        int port = parameterParser.getPort() > 0 ? parameterParser.getPort() : DEFAULT_PORT;
        start(port);
    }

    public static void start(int port) {
        if (!inited) {
            synchronized (MockServer.class) {
                if (!inited) {
                    inited = true;
                    workingThreads = new ThreadPoolExecutor(50,
                            50, 500, TimeUnit.SECONDS,
                            new LinkedBlockingQueue<>(20000),
                            new NamedThreadFactory("ServerHandlerThread", 500), new ThreadPoolExecutor.CallerRunsPolicy());
                    nettyRemotingServer = new MockNettyRemotingServer(workingThreads);

                    // set registry
                    XID.setIpAddress(NetUtil.getLocalIp());
                    XID.setPort(port);
                    // init snowflake for transactionId, branchId
                    UUIDGenerator.init(1L);

                    MockCoordinator coordinator = MockCoordinator.getInstance();
                    coordinator.setRemotingServer(nettyRemotingServer);
                    nettyRemotingServer.setHandler(coordinator);
                    nettyRemotingServer.init();

                    LOGGER.info("pid info: " + ManagementFactory.getRuntimeMXBean().getName());
                }
            }
        }


    }

    public static void close() {
        if (inited) {
            synchronized (MockServer.class) {
                if (inited) {
                    inited = false;
                    workingThreads.shutdown();
                    nettyRemotingServer.destroy();
                }
            }
        }
    }
}