| /* |
| * 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.uima.ducc.test.service; |
| |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.io.ObjectInputStream; |
| import java.net.Socket; |
| |
| import org.apache.uima.ducc.cli.AServicePing; |
| import org.apache.uima.ducc.cli.ServiceStatistics; |
| |
| |
| /** |
| * This is designed for the simple sleeper "service" that does nothing other than |
| * wait for requests from the pinger. |
| * |
| * The necessary endpoint is CUSTOM:name:host:port |
| */ |
| public class AnonymousPinger |
| extends AServicePing |
| { |
| String host; |
| int port; |
| |
| public void init(String arguments, String endpoint) |
| throws Exception |
| { |
| System.out.println("INIT: endpoint " + endpoint); |
| System.out.println("Socket file: " + arguments); |
| |
| FileInputStream fis = new FileInputStream(arguments); |
| |
| byte[] bytes = new byte[128]; |
| int bytesread = fis.read(bytes); |
| fis.close(); |
| String sockloc = new String(bytes, 0, bytesread); |
| System.out.println("Service is listening at " + sockloc); |
| |
| String [] parts = sockloc.split(":"); |
| for ( String s : parts ) { |
| System.out.println("Parts: " + s); |
| } |
| host = parts[0]; |
| port = Integer.parseInt(parts[1]); |
| System.out.println("Parsed service location to " + host + " : " + port); |
| } |
| |
| public void stop() |
| { |
| |
| } |
| |
| public ServiceStatistics getStatistics() |
| { |
| ServiceStatistics stats = new ServiceStatistics(false, false,"<NA>"); |
| Socket sock = null; |
| |
| try { |
| sock = new Socket(host, port); |
| |
| ObjectInputStream dis = new ObjectInputStream(sock.getInputStream()); |
| String response = (String) dis.readObject(); |
| System.out.println("Pong response: " + response); |
| |
| stats.setAlive(true); |
| stats.setHealthy(true); |
| stats.setInfo( response ); |
| } catch ( Throwable t) { |
| t.printStackTrace(); |
| stats.setInfo(t.getMessage()); |
| } finally { |
| try { sock.close(); } catch (IOException e) {} |
| } |
| return stats; |
| } |
| |
| public static void main(String[] args) |
| { |
| try { |
| AnonymousPinger cp = new AnonymousPinger(); |
| cp.init(args[0], args[1]); |
| for ( int i = 0; i < 10; i++ ) { |
| ServiceStatistics stats = cp.getStatistics(); |
| System.out.println(stats); |
| Thread.sleep(2000); |
| } |
| cp.stop(); |
| } catch (InterruptedException e) { |
| // TODO Auto-generated catch block |
| e.printStackTrace(); |
| } catch (Exception e) { |
| // TODO Auto-generated catch block |
| e.printStackTrace(); |
| } |
| } |
| |
| } |