| package org.apache.avro.ipc.stats; |
| /** |
| * 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. |
| */ |
| import org.mortbay.jetty.Server; |
| import org.mortbay.jetty.servlet.Context; |
| import org.mortbay.jetty.servlet.ServletHolder; |
| |
| /* This is a server that displays live information from a StatsPlugin. |
| * |
| * Typical usage is as follows: |
| * StatsPlugin plugin = new StatsPlugin(); |
| * requestor.addPlugin(plugin); |
| * StatsServer server = new StatsServer(plugin, 8080); |
| * |
| * */ |
| public class StatsServer { |
| Server httpServer; |
| StatsPlugin plugin; |
| |
| /* Start a stats server on the given port, |
| * responsible for the given plugin. */ |
| public StatsServer(StatsPlugin plugin, int port) throws Exception { |
| this.httpServer = new Server(port); |
| this.plugin = plugin; |
| |
| Context staticContext = new Context(httpServer, "/static"); |
| staticContext.addServlet(new ServletHolder(new StaticServlet()), "/"); |
| |
| Context context = new Context(httpServer, "/"); |
| context.addServlet(new ServletHolder(new StatsServlet(plugin)), "/"); |
| |
| httpServer.start(); |
| } |
| |
| /* Stops this server. */ |
| public void stop() throws Exception { |
| this.httpServer.stop(); |
| } |
| } |