| /* |
| * 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.axis2.transport.http.server; |
| |
| import org.apache.axis2.context.ConfigurationContext; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.http.params.HttpParams; |
| |
| import java.io.IOException; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.TimeUnit; |
| |
| /** |
| * A simple, but configurable and extensible HTTP server. |
| */ |
| public class SimpleHttpServer { |
| |
| private static Log LOG = LogFactory.getLog(SimpleHttpServer.class); |
| |
| private static final int SHUTDOWN_GRACE_PERIOD = 3000; // ms |
| |
| private HttpFactory httpFactory; |
| private final int port; |
| private final HttpParams params; |
| private final WorkerFactory workerFactory; |
| |
| private IOProcessor listener = null; |
| private ExecutorService listenerExecutor = null; |
| private HttpConnectionManager connmanager = null; |
| private ExecutorService requestExecutor = null; |
| |
| public SimpleHttpServer(ConfigurationContext configurationContext, WorkerFactory workerFactory, |
| int port) throws IOException { |
| this(new HttpFactory(configurationContext, port, workerFactory), port); |
| } |
| |
| public SimpleHttpServer(HttpFactory httpFactory, int port) throws IOException { |
| this.httpFactory = httpFactory; |
| this.port = port; |
| this.workerFactory = httpFactory.newRequestWorkerFactory(); |
| this.params = httpFactory.newRequestConnectionParams(); |
| this.params.setIntParameter(AxisParams.LISTENER_PORT, port); |
| } |
| |
| public void init() throws IOException { |
| requestExecutor = httpFactory.newRequestExecutor(port); |
| connmanager = |
| httpFactory.newRequestConnectionManager(requestExecutor, workerFactory, params); |
| listenerExecutor = httpFactory.newListenerExecutor(port); |
| listener = httpFactory.newRequestConnectionListener(port, connmanager, params); |
| } |
| |
| public void destroy() throws IOException, InterruptedException { |
| // Attempt to terminate the listener nicely |
| LOG.info("Shut down connection listener"); |
| this.listenerExecutor.shutdownNow(); |
| this.listener.destroy(); |
| this.listenerExecutor.awaitTermination(SHUTDOWN_GRACE_PERIOD, TimeUnit.MILLISECONDS); |
| if (!this.listenerExecutor.isTerminated()) { |
| // Terminate the listener forcibly |
| LOG.info("Force shut down connection listener"); |
| this.listener.destroy(); |
| // Leave it up to the garbage collector to clean up the mess |
| this.listener = null; |
| } |
| // Attempt to terminate the active processors nicely |
| LOG.info("Shut down HTTP processors"); |
| this.requestExecutor.shutdownNow(); |
| this.requestExecutor.awaitTermination(SHUTDOWN_GRACE_PERIOD, TimeUnit.MILLISECONDS); |
| if (!this.requestExecutor.isTerminated()) { |
| // Terminate the active processors forcibly |
| LOG.info("Force shut down HTTP processors"); |
| this.connmanager.shutdown(); |
| // Leave it up to the garbage collector to clean up the mess |
| this.connmanager = null; |
| } |
| LOG.info("HTTP protocol handler shut down"); |
| } |
| |
| public void start() { |
| this.listenerExecutor.execute(this.listener); |
| } |
| |
| public boolean isRunning() { |
| return this.listenerExecutor != null && !this.listenerExecutor.isShutdown(); |
| } |
| |
| public int getPort() { |
| return this.port; |
| } |
| |
| } |