| /* |
| * 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.htrace.viewer; |
| |
| import java.io.IOException; |
| import java.net.InetSocketAddress; |
| import java.net.URI; |
| import java.util.ArrayList; |
| import java.util.List; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.http.HttpServer2; |
| import org.apache.hadoop.net.NetUtils; |
| import org.apache.hadoop.util.Tool; |
| import org.apache.hadoop.util.ToolRunner; |
| import org.apache.hadoop.hbase.HBaseConfiguration; |
| |
| public class HBaseSpanViewerServer implements Tool { |
| private static final Log LOG = LogFactory.getLog(HBaseSpanViewerServer.class); |
| public static final String HTRACE_VIEWER_HTTP_ADDRESS_KEY = "htrace.viewer.http.address"; |
| public static final String HTRACE_VIEWER_HTTP_ADDRESS_DEFAULT = "0.0.0.0:16900"; |
| public static final String HTRACE_CONF_ATTR = "htrace.conf"; |
| public static final String HTRACE_APPDIR = "webapps"; |
| public static final String NAME = "htrace"; |
| |
| private Configuration conf; |
| private HttpServer2 httpServer; |
| private InetSocketAddress httpAddress; |
| |
| public void setConf(Configuration conf) { |
| this.conf = conf; |
| } |
| |
| public Configuration getConf() { |
| return this.conf; |
| } |
| |
| void start() throws IOException { |
| httpAddress = NetUtils.createSocketAddr( |
| conf.get(HTRACE_VIEWER_HTTP_ADDRESS_KEY, HTRACE_VIEWER_HTTP_ADDRESS_DEFAULT)); |
| conf.set(HTRACE_VIEWER_HTTP_ADDRESS_KEY, NetUtils.getHostPortString(httpAddress)); |
| HttpServer2.Builder builder = new HttpServer2.Builder(); |
| builder.setName(NAME).setConf(conf); |
| if (httpAddress.getPort() == 0) { |
| builder.setFindPort(true); |
| } |
| URI uri = URI.create("http://" + NetUtils.getHostPortString(httpAddress)); |
| builder.addEndpoint(uri); |
| LOG.info("Starting Web-server for " + NAME + " at: " + uri); |
| httpServer = builder.build(); |
| httpServer.setAttribute(HTRACE_CONF_ATTR, conf); |
| httpServer.addServlet("gettraces", |
| HBaseSpanViewerTracesServlet.PREFIX, |
| HBaseSpanViewerTracesServlet.class); |
| httpServer.addServlet("getspans", |
| HBaseSpanViewerSpansServlet.PREFIX + "/*", |
| HBaseSpanViewerSpansServlet.class); |
| |
| // for webapps/htrace bundled in jar. |
| String rb = httpServer.getClass() |
| .getClassLoader() |
| .getResource("webapps/" + NAME) |
| .toString(); |
| httpServer.getWebAppContext().setResourceBase(rb); |
| |
| httpServer.start(); |
| httpAddress = httpServer.getConnectorAddress(0); |
| } |
| |
| void join() throws Exception { |
| if (httpServer != null) { |
| httpServer.join(); |
| } |
| } |
| |
| void stop() throws Exception { |
| if (httpServer != null) { |
| httpServer.stop(); |
| } |
| } |
| |
| InetSocketAddress getHttpAddress() { |
| return httpAddress; |
| } |
| |
| public int run(String[] args) throws Exception { |
| start(); |
| join(); |
| stop(); |
| return 0; |
| } |
| |
| /** |
| * @throws IOException |
| */ |
| public static void main(String[] args) throws Exception { |
| ToolRunner.run(HBaseConfiguration.create(), new HBaseSpanViewerServer(), args); |
| } |
| } |