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