Deployment_PC


1   /*====================================================================
2   
3   OpenCCM: The Open CORBA Component Model Platform
4   Copyright (C) 2000-2002 USTL - LIFL - GOAL
5   Contact: openccm-team@objectweb.org
6   
7   This library is free software; you can redistribute it and/or
8   modify it under the terms of the GNU Lesser General Public
9   License as published by the Free Software Foundation; either
10  version 2.1 of the License, or any later version.
11  
12  This library is distributed in the hope that it will be useful,
13  but WITHOUT ANY WARRANTY; without even the implied warranty of
14  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  Lesser General Public License for more details.
16  
17  You should have received a copy of the GNU Lesser General Public
18  License along with this library; if not, write to the Free Software
19  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
20  USA
21  
22  Initial developer(s): Philippe Merle, Sylvain Leblanc.
23  Contributor(s): Christophe Contreras.
24  
25  ====================================================================*/
26  
27  package DiningPhilosophers.cif;
28  
29  import DiningPhilosophers.*;
30  
31  /**
32   * The philosopher dinner application deployment.
33   * 
34   * <p>
35   * This application is composed of four philosopher 
36   * components, four fork manager components and one observer 
37   * component distributed on two servers. 
38   * These servers must be named "ComponentServer1" and "ComponentServer2". 
39   * The OpenCCM_plugins.jar archive must be 
40   * in the current directory and DinningPhilosophers.jar archive 
41   * must be in <code>./archives</code> directory.
42   * </p>
43   *
44   * @author <a HREF="mailto:Philippe.Merle@lifl.fr">Philippe Merle</a> 
45   * @author <a HREF="mailto:Sylvain.Leblanc@lifl.fr">Sylvain Leblanc</a>
46   * @author <a HREF="mailto:Christophe.Demarey@lifl.fr">Christophe Demarey</A>
47   *
48   * @version 2.0
49   */
50  
51  public class Deployment_PC
52  {
53      /**
54       * The bootstrap of the dinner application.
55       */
56      public static void
57      main(String  [] args)
58      throws Exception  
59      {
60          String   _OTS = System.getProperties().getProperty("TRANSACTIONAL_PLUGIN","no").toLowerCase();
61  
62          // Init the ORB.
63          System.out.println("Initializing the ORB...");
64  
65          // TODO: Need to report this ORB.init() problem to OpenORB developers!
66          // Due to an OpenORB problem, the following lines:
67          //   org.omg.CORBA.ORB orb = org.omg.CORBA.ORB.init(args, null);
68          //   fr.lifl.goal.OpenCCM.Components.Runtime.init(orb);
69          // are replaced by the next line.
70  
71          // Init the OpenCCM Components Runtime.
72          org.omg.CORBA.ORB   orb = org.objectweb.openccm.Components.Runtime.init(args);
73  
74          // Obtain the Name Service.
75          System.out.println("Obtaining the Name Service...");
76          org.omg.CORBA.Object   obj =
77              orb.resolve_initial_references("NameService");
78          org.omg.CosNaming.NamingContext   ns =
79              org.omg.CosNaming.NamingContextHelper.narrow(obj);
80          obj = orb.resolve_initial_references("CommonNameService");
81          org.omg.CosNaming.NamingContext   cns =
82              org.omg.CosNaming.NamingContextHelper.narrow(obj);
83  
84          org.omg.CosTransactions.Current current = null;
85          if (_OTS.equals("yes"))
86          {
87              System.out.println("Obtaining the Transaction Service...");
88              org.omg.CORBA.Object   objOTS = orb.resolve_initial_references("TransactionCurrent");
89              current = org.omg.CosTransactions.CurrentHelper.narrow( objOTS );
90          }
91  
92          try
93          {
94              if ((current!=null)&&(_OTS.equals("yes")))
95              {
96                  System.out.println("Beginning the transaction...");
97                  current.begin();
98              }
99  
100             // Obtain the component servers.
101             System.out.println("Obtaining Component Servers...");
102             String   cs1_name = System.getProperty("org.objectweb.ccm.DiningPhilosophers.CS1");
103             String   cs2_name = System.getProperty("org.objectweb.ccm.DiningPhilosophers.CS2");
104 
105             org.omg.CosNaming.NameComponent  [] ncomp =
106                     new org.omg.CosNaming.NameComponent  [1];
107             ncomp[0] = new org.omg.CosNaming.NameComponent  (cs1_name, "");
108             obj = ns.resolve(ncomp);
109             org.objectweb.openccm.Deployment.Server server1 =
110             org.objectweb.openccm.Deployment.ServerHelper.narrow(obj);
111             ncomp[0].id = cs2_name;
112             obj = ns.resolve(ncomp);
113             org.objectweb.openccm.Deployment.Server server2 =
114             org.objectweb.openccm.Deployment.ServerHelper.narrow(obj);
115 
116             // Obtain the home factories and archive installators.
117             org.omg.Components.Deployment.ComponentServer server1_cs =
118             server1.provide_component_server();
119             org.omg.Components.Deployment.ComponentInstallation server1_inst =
120             server1.provide_install();
121             org.omg.Components.Deployment.ComponentServer server2_cs =
122             server2.provide_component_server();
123             org.omg.Components.Deployment.ComponentInstallation server2_inst =
124             server2.provide_install();
125 
126             // Install archives.
127             System.out.println("Installing archives...");
128             String   http_server = System.getProperty("org.objectweb.ccm.DiningPhilosophers.http");
129             server1_inst.install("dinner", http_server + "DiningPhilosophers.jar");
130             server2_inst.install("dinner", http_server + "DiningPhilosophers.jar");
131             // install some plugins already provided by OpenCCM.
132             server1_inst.install("openccm_plugins", http_server + "DiningPhilosophers.jar");
133             server2_inst.install("openccm_plugins", http_server + "DiningPhilosophers.jar");
134 
135             // declaring the container types
136             String   cont_config =
137             "container = CONTAINER.container ; " +
138             "config_home = container.create_system_home("+
139                     "\"openccm_plugins\", " +
140                     "\"EmptyConfig\", "+
141                     "\"org.objectweb.openccm.Containers.Plugins.EmptyConfigurationHome.create\") ;"+
142             "config = config_home.create_component(JAVA.null) ;" +
143             "container.create_system_home("+
144                     "\"openccm_plugins\", " +
145                     "\"EmptyCoordinatorHome\", "+
146                     "\"org.objectweb.openccm.Containers.Plugins.EmptyCoordinatorHome.create\") ;"+
147             "container.create_system_home("+
148                     "\"openccm_plugins\", " +
149                     "\"EmptyControllerHome\", "+
150                     "\"org.objectweb.openccm.Containers.Plugins.EmptyControllerHome.create\") ;"+
151             "container.set_container_configuration(config) ;";
152 
153             // instantiate a container on each server.
154             org.omg.Components.ConfigValue[] config = new org.omg.Components.ConfigValue[1];
155             config[0] = new org.objectweb.openccm.Components.ConfigValueImpl();
156             config[0].name = "container_script";
157             org.omg.CORBA.TypeCode   string_tc =
158                 org.objectweb.openccm.corba.TheORB.getORB().get_primitive_tc(org.omg.CORBA.TCKind.tk_string);
159             org.omg.CORBA.Any   value =
160                 org.objectweb.openccm.corba.TheDynamicAnyFactory.getFactory().
161                             create_dyn_any_from_type_code(string_tc).to_any();
162             value.insert_string(cont_config);
163             config[0].value = value;
164 
165             org.omg.Components.Deployment.Container server1_cont =
166                 server1_cs.create_container(config);
167             org.omg.Components.Deployment.Container server2_cont =
168                 server2_cs.create_container(config);
169 
170             // Create homes.
171             System.out.println("Instantiating homes...");
172 
173             // define a container configuration.
174             java.lang.String   home_config =
175                 "container.set_home_configuration(container.get_container_configuration()) ;" +
176                 "container.set_component_configuration(container.get_container_configuration()) ;";
177 
178             config[0].name = "home_script";
179             value.insert_string(home_config);
180             config[0].value = value;
181 
182             // install homes with this container configuration.
183 
184             // On laptop
185             org.omg.Components.CCMHome h =
186                         server2_cont.install_home("dinner",
187                                                 "DiningPhilosophers.cif.PhilosopherHomeImpl.create_home",
188                                                 config);
189             PhilosopherHome ph = PhilosopherHomeHelper.narrow(h);
190 
191             h = server2_cont.install_home("dinner",
192                                             "DiningPhilosophers.cif.ForkHomeImpl.create_home",
193                                             config);
194             ForkHome fh = ForkHomeHelper.narrow(h);
195             h = server2_cont.install_home("dinner",
196                                             "DiningPhilosophers.cif.ObserverHomeImpl.create_home",
197                                             config);
198             ObserverHome oh = ObserverHomeHelper.narrow(h);
199 
200             // Register homes in the name service
201 
202             // creating OpenCCM Context
203             org.omg.CosNaming.NameComponent  [] nc =
204                 new org.omg.CosNaming.NameComponent  [1];
205             nc[0] = new org.omg.CosNaming.NameComponent  ();
206             nc[0].id = "OpenCCM";
207             nc[0].kind = "";
208 
209             try {
210                 ns = cns.bind_new_context(nc);
211             } catch (org.omg.CosNaming.NamingContextPackage.AlreadyBound   ex) {
212                 ns = org.omg.CosNaming.NamingContextHelper.narrow(cns.resolve(nc));
213             }
214 
215             nc[0].id = "PhilosopherHome";
216             ns.rebind(nc, ph);
217 
218             nc[0].id = "ForkHome";
219             ns.rebind(nc, fh);
220 
221             nc[0].id = "ObserverHome";
222             ns.rebind(nc, oh);
223 
224         } catch (Exception   e) {
225             if ((current!=null)&&(_OTS.equals("yes")))
226             {
227                 System.out.println("Error during deployment :");
228                 e.printStackTrace();
229                 System.out.print("Rolling Back ... ");
230                 current.rollback();
231                 System.out.println("Done");
232                 // Force to exit.
233                 System.exit(0);
234              }
235         }
236 
237         if ((current!=null)&&(_OTS.equals("yes")))
238         {
239             System.out.print("Do you want to commit the Deployment ? [Y/n] ");
240 
241             java.io.BufferedReader   _buffer =
242                     new java.io.BufferedReader  (new java.io.InputStreamReader  (System.in));
243             char _answer = (char) _buffer.read();
244 
245             if ((_answer=='n')||(_answer=='N'))
246             {
247                 System.out.print("Rolling Back ... ");
248                 current.rollback();
249                 System.out.println("Done");
250             }
251             else
252             {
253                 System.out.print("Committing ... ");
254                 current.commit(false);
255                 System.out.println("Done");
256             }
257         }
258 
259         // Force to exit.
260         System.exit(0);
261     }
262 }
263 
264 
265 
266 
267 
268
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