com.clustercontrol.plugin.impl.WebServicePlugin.java Source code

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Here is the source code for com.clustercontrol.plugin.impl.WebServicePlugin.java

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/*
    
Copyright (C) 2012 NTT DATA Corporation
    
This program is free software; you can redistribute it and/or
Modify it under the terms of the GNU General Public License
as published by the Free Software Foundation, version 2.
    
This program is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied
warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE.  See the GNU General Public License for more details.
    
 */

package com.clustercontrol.plugin.impl;

import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.InetSocketAddress;
import java.net.URL;
import java.security.KeyManagementException;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
import java.security.UnrecoverableKeyException;
import java.security.cert.CertificateException;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;

import javax.net.ssl.KeyManagerFactory;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManagerFactory;
import javax.xml.ws.Endpoint;

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

import com.clustercontrol.commons.util.MonitoredThreadPoolExecutor;
import com.clustercontrol.maintenance.util.HinemosPropertyUtil;
import com.clustercontrol.platform.HinemosPropertyDefault;
import com.clustercontrol.plugin.api.HinemosPlugin;
import com.clustercontrol.util.StringBinder;
import com.clustercontrol.util.XMLUtil;
import com.sun.net.httpserver.HttpsConfigurator;
import com.sun.net.httpserver.HttpsServer;

/**
 * JAX-WS?WEB??(publish)/?(stop)?.
 *
 */
public abstract class WebServicePlugin implements HinemosPlugin {

    public static final Log log = LogFactory.getLog(WebServicePlugin.class);

    private static final ThreadPoolExecutor _threadPool;
    private static final ArrayList<Endpoint> endpointList = new ArrayList<Endpoint>();

    /** HTTPS? */
    private static ConcurrentHashMap<String, HttpsServer> httpsServerMap = new ConcurrentHashMap<String, HttpsServer>();

    /** Invalid??????? */
    private static final String MESSAGE_REPLACE_METHOD_KEY = "common.invalid.char.replace";

    /** Invalid??????? */
    private static final String MESSAGE_REPLACE_CHAR_KEY = "common.invalid.char.replace.to";

    static {
        int _threadPoolSize = HinemosPropertyUtil
                .getHinemosPropertyNum("ws.client.threadpool.size", Long.valueOf(8)).intValue();
        int _queueSize = HinemosPropertyUtil.getHinemosPropertyNum("ws.queue.size", Long.valueOf(300)).intValue();

        _threadPool = new MonitoredThreadPoolExecutor(_threadPoolSize, _threadPoolSize, 0L, TimeUnit.MICROSECONDS,
                new LinkedBlockingQueue<Runnable>(_queueSize), new ThreadFactory() {
                    private volatile int _count = 0;

                    @Override
                    public Thread newThread(Runnable r) {
                        return new Thread(r, "WebServiceWorkerForClient-" + _count++);
                    }
                }, new ThreadPoolExecutor.AbortPolicy());

        boolean invalidCharReplace = HinemosPropertyUtil.getHinemosPropertyBool(MESSAGE_REPLACE_METHOD_KEY, false);
        XMLUtil.setReplace(invalidCharReplace);
        StringBinder.setReplace(invalidCharReplace);

        String replaceChar = HinemosPropertyUtil.getHinemosPropertyStr(MESSAGE_REPLACE_CHAR_KEY, "?");
        if (replaceChar != null) {
            XMLUtil.setReplaceChar(replaceChar);
            StringBinder.setReplaceChar(replaceChar);
        }
    }

    public static int getQueueSize() {
        return _threadPool.getPoolSize();
    }

    /**
     * ???WebService?Agent????????
     * @param addressPrefix ? http://x.x.x.x:xxxx? ?
     * @param addressBody ??? addressPrefix ??
     * @param endpointInstance
     * @param threadPool ?
     */
    protected void publish(String addressPrefix, String addressBody, Object endpointInstance,
            ThreadPoolExecutor threadPool) {

        try {
            final URL urlPrefix = new URL(addressPrefix);
            final String fulladdress = addressPrefix + addressBody;
            HttpsServer httpsServer = null;
            // ? HTTPS???????HttpsService???endpoit.publish?????
            // URL??????????HttpsService?????Hashmap???????HashMap?
            // HTTPSServer???????????
            if ("https".equals(urlPrefix.getProtocol())) {
                httpsServer = httpsServerMap.get(addressPrefix);
                if (httpsServer == null) {
                    // HTTPS Server??HTTPS?????????????????????
                    String protocol = HinemosPropertyUtil.getHinemosPropertyStr("ws.https.protocol", "TLS");
                    String keystorePath = HinemosPropertyUtil.getHinemosPropertyStr("ws.https.keystore.path",
                            HinemosPropertyDefault
                                    .getString(HinemosPropertyDefault.StringKey.WS_HTTPS_KEYSTORE_PATH));
                    String keystorePassword = HinemosPropertyUtil
                            .getHinemosPropertyStr("ws.https.keystore.password", "hinemos");
                    String keystoreType = HinemosPropertyUtil.getHinemosPropertyStr("ws.https.keystore.type",
                            "PKCS12");
                    log.info("Starting HTTPS Server...");
                    log.info("SSLContext: " + protocol + ", KeyStore: " + keystoreType);
                    SSLContext ssl = SSLContext.getInstance(protocol);
                    KeyManagerFactory keyFactory = KeyManagerFactory
                            .getInstance(KeyManagerFactory.getDefaultAlgorithm());
                    KeyStore store = KeyStore.getInstance(keystoreType);
                    try (InputStream in = new FileInputStream(keystorePath)) {
                        store.load(in, keystorePassword.toCharArray());
                    }
                    keyFactory.init(store, keystorePassword.toCharArray());
                    TrustManagerFactory trustFactory = TrustManagerFactory
                            .getInstance(TrustManagerFactory.getDefaultAlgorithm());
                    trustFactory.init(store);
                    ssl.init(keyFactory.getKeyManagers(), trustFactory.getTrustManagers(), new SecureRandom());
                    HttpsConfigurator configurator = new HttpsConfigurator(ssl);

                    // ??HTTPSSever???Hashmap??
                    httpsServer = HttpsServer
                            .create(new InetSocketAddress(urlPrefix.getHost(), urlPrefix.getPort()), 0);
                    httpsServer.setHttpsConfigurator(configurator);
                    httpsServerMap.put(addressPrefix, httpsServer);
                }
            }

            // ?????endpoint??
            log.info("publish " + fulladdress);
            final Endpoint endpoint = Endpoint.create(endpointInstance);
            endpoint.setExecutor(threadPool);
            if (httpsServer != null) {
                endpoint.publish(httpsServer.createContext(addressBody));
            } else {
                endpoint.publish(fulladdress);
            }
            endpointList.add(endpoint);
        } catch (NoSuchAlgorithmException | UnrecoverableKeyException | KeyStoreException | KeyManagementException
                | IOException | CertificateException | RuntimeException e) {
            log.warn("failed to publish : " + e.getClass().getSimpleName() + ", " + e.getMessage(), e);
        } finally {

        }
    }

    /**
     * ???WebService?
     * @param addressPrefix ? http://x.x.x.x:xxxx? ?
     * @param addressBody ??? addressPrefix ??
     * @param endpointInstance
     */
    protected void publish(String addressPrefix, String addressBody, Object endpointInstance) {
        publish(addressPrefix, addressBody, endpointInstance, _threadPool);
    }

    @Override
    public void deactivate() {
        /**
         * web??
         */
        // ?????
        _threadPool.shutdown();
        try {
            long _shutdownTimeout = HinemosPropertyUtil.getHinemosPropertyNum("ws.client.shutdown.timeout",
                    Long.valueOf(10000));

            if (!_threadPool.awaitTermination(_shutdownTimeout, TimeUnit.MILLISECONDS)) {
                List<Runnable> remained = _threadPool.shutdownNow();
                if (remained != null) {
                    log.info("shutdown timeout. runnable remained. (size = " + remained.size() + ")");
                }
            }
        } catch (InterruptedException e) {
            _threadPool.shutdownNow();
        }

        for (Endpoint endpoint : endpointList) {
            log.info("endpoint stop : " + endpoint.getImplementor().getClass().getSimpleName());
            try {
                /**
                 * JAX-WS?????0.0.0.0?listen???web?
                 * stop?NullPointerException???stop???????
                 * http://java.net/jira/browse/JAX_WS-941
                 *
                 * ?????JBoss?web?????
                 * jboss.log?????
                 */
                endpoint.stop();
            } catch (NullPointerException e) {
                log.info("stop endpoint :  " + e.getMessage());
            } catch (Exception e) {
                log.warn("stop endpoint : " + e.getMessage(), e);
            }
        }
    }

    @Override
    public void destroy() {

    }

    protected void startHTTPS() {
        for (final HttpsServer server : httpsServerMap.values()) {
            server.start();
        }
    }
}