org.springframework.xd.gemfire.CacheServer.java Source code

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Here is the source code for org.springframework.xd.gemfire.CacheServer.java

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/*
 * Copyright 2002-2013 the original author or authors.
 * 
 * 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.springframework.xd.gemfire;

import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.ServerSocket;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import org.springframework.context.support.FileSystemXmlApplicationContext;

import com.gemstone.gemfire.cache.Cache;
import com.gemstone.gemfire.management.CacheServerMXBean;
import com.gemstone.gemfire.management.ManagementService;

/**
 * @author David Turanski
 * 
 */
public class CacheServer {

    private static final Log logger = LogFactory.getLog(CacheServer.class);

    private static final int port = 40404;

    public static void main(String[] args) {
        if (args.length != 1) {
            System.out.println("Usage: CacheServer <config-file-path>");
            System.exit(1);
        }
        String path = args[0];

        if (!portAvailable(port)) {
            System.out.println("Cache Server port " + port + " is not available. Is another instance running?");
            System.exit(1);
        }
        logger.info("Starting Cache Server");
        @SuppressWarnings("resource")
        FileSystemXmlApplicationContext context = new FileSystemXmlApplicationContext(path);
        context.registerShutdownHook();
        Cache cache = context.getBean(Cache.class);
        ManagementService ms = ManagementService.getExistingManagementService(cache);
        CacheServerMXBean cacheServerManager = ms.getLocalCacheServerMXBean(port);
        if (!cacheServerManager.isRunning()) {
            System.out.println("failed to start cache server ");
            System.exit(1);
        }
        System.out.println("cache server running");
    }

    public static boolean portAvailable(int port) {
        InetSocketAddress addr = new InetSocketAddress(port);
        try {
            ServerSocket socket = new ServerSocket();
            socket.bind(addr);
            socket.close();
        } catch (IOException e) {
            return false;
        }
        return true;

    }
}