/*
* The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
* (the "License"). You may not use this work except in compliance with the License, which is
* available at www.apache.org/licenses/LICENSE-2.0
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
* either express or implied, as more fully set forth in the License.
*
* See the NOTICE file distributed with this work for information regarding copyright ownership.
*/
package alluxio.web;
import alluxio.Configuration;
import alluxio.Constants;
import alluxio.PropertyKey;
import alluxio.client.file.FileSystem;
import alluxio.StreamCache;
import alluxio.proxy.ProxyProcess;
import alluxio.util.io.PathUtils;
import org.eclipse.jetty.servlet.ServletHolder;
import org.glassfish.jersey.server.ResourceConfig;
import org.glassfish.jersey.servlet.ServletContainer;
import java.net.InetSocketAddress;
import javax.annotation.concurrent.NotThreadSafe;
import javax.servlet.ServletException;
/**
* The Alluxio proxy web server.
*/
@NotThreadSafe
public final class ProxyWebServer extends WebServer {
public static final String ALLUXIO_PROXY_SERVLET_RESOURCE_KEY = "Alluxio Proxy";
public static final String FILE_SYSTEM_SERVLET_RESOURCE_KEY = "File System";
public static final String STREAM_CACHE_SERVLET_RESOURCE_KEY = "Stream Cache";
/**
* Creates a new instance of {@link ProxyWebServer}.
*
* @param serviceName the service name
* @param address the service address
* @param proxyProcess the Alluxio proxy process
*/
public ProxyWebServer(String serviceName, InetSocketAddress address,
final ProxyProcess proxyProcess) {
super(serviceName, address);
// REST configuration
ResourceConfig config = new ResourceConfig().packages("alluxio.proxy");
ServletContainer servlet = new ServletContainer(config) {
private static final long serialVersionUID = 7756010860672831556L;
@Override
public void init() throws ServletException {
super.init();
getServletContext().setAttribute(ALLUXIO_PROXY_SERVLET_RESOURCE_KEY, proxyProcess);
getServletContext()
.setAttribute(FILE_SYSTEM_SERVLET_RESOURCE_KEY, FileSystem.Factory.get());
getServletContext().setAttribute(STREAM_CACHE_SERVLET_RESOURCE_KEY,
new StreamCache(Configuration.getLong(PropertyKey.PROXY_STREAM_CACHE_TIMEOUT_MS)));
}
};
ServletHolder servletHolder = new ServletHolder("Alluxio Proxy Web Service", servlet);
mWebAppContext.addServlet(servletHolder, PathUtils.concatPath(Constants.REST_API_PREFIX, "*"));
}
}