1 /* 2 * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 import java.rmi.*; 25 import java.rmi.server.*; 26 import java.util.*; 27 import java.io.*; 28 29 30 /** 31 * Server accepts agents and could test for validity. Acts as both a home 32 * server and a regular server. The agent will jump to this host and 33 * the server will create a thread and allow the agent to run inside of 34 * it. The agent just queries the system.properties for machine info. 35 */ 36 public class AgentServerImpl 37 extends UnicastRemoteObject 38 implements AgentServer 39 { 40 41 /** 42 * Constructor 43 * 44 * @exception RemoteException If a network problem occurs. 45 */ AgentServerImpl()46 public AgentServerImpl() throws RemoteException { 47 // Could use to set up state of server 48 } 49 50 /** 51 * Instantiates Agent Server Implementation and sets security 52 * manager 53 */ main(String args[])54 public static void main(String args[]) { 55 56 // Set the security Manager 57 //System.setSecurityManager(new MyRMISecurityManager()); 58 59 try { 60 AgentServerImpl server = new AgentServerImpl(); 61 Naming.rebind("/AgentServer", server); 62 System.out.println("Ready to receive agents."); 63 System.err.println("DTI_DoneInitializing"); 64 } catch (Exception e) { 65 System.err.println("DTI_Error"); 66 System.err.println("Did not establish server"); 67 e.printStackTrace(); 68 } 69 } 70 71 /** 72 * Remote method called by Agent to have server accept it. 73 */ accept(Agent agent)74 public synchronized void accept(Agent agent) 75 throws RemoteException //, InvalidAgentException 76 { 77 Thread t; 78 79 // Could check validity of agent here 80 // checkValid(agent); 81 82 // Create new thread to run agent 83 t = new Thread(agent); 84 85 System.out.println("Agent Accepted: " + t); 86 87 // Start agent 88 t.start(); 89 } 90 91 /** 92 * Remote method called by Agent to return to final server. 93 */ returnHome(Agent agent)94 public synchronized void returnHome(Agent agent) 95 throws RemoteException //, InvalidAgentException 96 { 97 Enumeration info = null; 98 boolean bErrorsOccurred = false; 99 100 // Could check validity of agent here 101 // checkValid(agent); 102 103 // Grab and print collected info from agent 104 info = agent.getInfo().elements(); 105 System.out.println("Collected information:"); 106 while (info.hasMoreElements()) { 107 System.out.println(" " + (String) info.nextElement()); 108 } 109 110 System.out.println("\nErrors:"); 111 System.out.println(agent.getErrors()); 112 if(!(agent.getErrors()).equals("")) 113 bErrorsOccurred = true; 114 115 if(bErrorsOccurred) 116 { 117 System.err.println("DTI_Error"); 118 System.err.println("DTI_DoneExecuting"); 119 } 120 else 121 { 122 System.err.println("DTI_DoneExecuting"); 123 } 124 125 } 126 } 127