| /** |
| * 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.storm.security.auth; |
| |
| import java.io.Closeable; |
| import java.io.IOException; |
| import java.util.Map; |
| import javax.security.auth.login.Configuration; |
| import org.apache.storm.security.auth.sasl.SaslTransportPlugin; |
| import org.apache.storm.thrift.TProcessor; |
| import org.apache.storm.thrift.server.TServer; |
| import org.apache.storm.thrift.transport.TTransportException; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class ThriftServer { |
| private static final Logger LOG = LoggerFactory.getLogger(ThriftServer.class); |
| protected final TProcessor processor; |
| private final Map<String, Object> conf; //storm configuration |
| private final ThriftConnectionType type; |
| private TServer server; |
| private Configuration loginConf; |
| private int port; |
| private boolean areWorkerTokensSupported; |
| private ITransportPlugin transportPlugin; |
| |
| public ThriftServer(Map<String, Object> conf, TProcessor processor, ThriftConnectionType type) { |
| this.conf = conf; |
| this.processor = processor; |
| this.type = type; |
| |
| try { |
| //retrieve authentication configuration |
| loginConf = ClientAuthUtils.getConfiguration(this.conf); |
| } catch (Exception x) { |
| LOG.error(x.getMessage(), x); |
| } |
| try { |
| //locate our thrift transport plugin |
| transportPlugin = ClientAuthUtils.getTransportPlugin(this.type, this.conf, loginConf); |
| //server |
| server = transportPlugin.getServer(this.processor); |
| port = transportPlugin.getPort(); |
| areWorkerTokensSupported = transportPlugin.areWorkerTokensSupported(); |
| } catch (IOException | TTransportException ex) { |
| handleServerException(ex); |
| } |
| |
| } |
| |
| public void stop() { |
| server.stop(); |
| if (transportPlugin instanceof SaslTransportPlugin) { |
| ((SaslTransportPlugin)transportPlugin).close(); |
| } |
| } |
| |
| /** |
| * Check whether serving. |
| * @return true if ThriftServer is listening to requests? |
| */ |
| public boolean isServing() { |
| return server.isServing(); |
| } |
| |
| public void serve() { |
| try { |
| //start accepting requests |
| server.serve(); |
| } catch (Exception ex) { |
| handleServerException(ex); |
| } |
| } |
| |
| private void handleServerException(Exception ex) { |
| LOG.error("ThriftServer is being stopped due to: " + ex, ex); |
| if (server != null) { |
| server.stop(); |
| } |
| Runtime.getRuntime().halt(1); //shutdown server process since we could not handle Thrift requests any more |
| } |
| |
| /** |
| * Get port. |
| * @return The port this server is/will be listening on |
| */ |
| public int getPort() { |
| return port; |
| } |
| |
| /** |
| * Check if worker tokens are supported by this thrift server. |
| * |
| * @return true if they are else false. |
| */ |
| public boolean supportsWorkerTokens() { |
| return areWorkerTokensSupported; |
| } |
| } |