Mercurial > hg > blitz_condensed
comparison src/org/dancres/blitz/tools/RequestReap.java @ 0:3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
author | Dan Creswell <dan.creswell@gmail.com> |
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date | Sat, 21 Mar 2009 11:00:06 +0000 |
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-1:000000000000 | 0:3dc0c5604566 |
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1 package org.dancres.blitz.tools; | |
2 | |
3 import java.io.IOException; | |
4 | |
5 import java.rmi.RemoteException; | |
6 import java.rmi.RMISecurityManager; | |
7 | |
8 import net.jini.discovery.*; | |
9 | |
10 import net.jini.lookup.*; | |
11 import net.jini.lookup.entry.Name; | |
12 | |
13 import net.jini.core.lookup.ServiceItem; | |
14 import net.jini.core.lookup.ServiceTemplate; | |
15 | |
16 import net.jini.core.entry.Entry; | |
17 | |
18 import net.jini.admin.Administrable; | |
19 | |
20 import net.jini.space.JavaSpace; | |
21 | |
22 import net.jini.core.transaction.TransactionException; | |
23 | |
24 import org.dancres.blitz.remote.BlitzAdmin; | |
25 | |
26 import org.dancres.jini.util.DiscoveryUtil; | |
27 import org.dancres.jini.util.ServiceLocator; | |
28 | |
29 /** | |
30 <p>RequestReap accepts a spacename as an argument and attempts to | |
31 trigger a manual reap of any lease expired contents.</p> | |
32 | |
33 <p>Typical usage: | |
34 | |
35 <pre> | |
36 java -Xmx256m -Djava.security.policy=config/policy.all | |
37 -classpath /home/dan/jini/jini2_0/lib/jsk-platform.jar:/home/dan/src/jini/space/build:/home/dan/jini/jini2_0/lib/jini-ext.jar:/home/dan/jini/jini2_0/lib/sun-util.jar | |
38 org.dancres.blitz.tools.RequestReap dancres | |
39 </pre> | |
40 | |
41 @see org.dancres.blitz.remote.BlitzAdmin | |
42 */ | |
43 public class RequestReap { | |
44 private static final long MAX_DISCOVER_TIME = 15 * 1000; | |
45 | |
46 public static void main(String args[]) { | |
47 if (System.getSecurityManager() == null) | |
48 System.setSecurityManager(new RMISecurityManager()); | |
49 | |
50 try { | |
51 try { | |
52 Object myProxy = null; | |
53 | |
54 if (args.length == 1) | |
55 myProxy = ServiceLocator.getService(JavaSpace.class, | |
56 args[0], | |
57 MAX_DISCOVER_TIME); | |
58 else if (args.length == 2) { | |
59 myProxy = ServiceLocator.getService(args[0], | |
60 JavaSpace.class, | |
61 args[1]); | |
62 } else { | |
63 System.err.println("Wrong number of arguments - should be <spacename> or <LUS host> <spacename>"); | |
64 System.exit(-1); | |
65 } | |
66 | |
67 if (myProxy != null) { | |
68 System.err.println("Found space: " + myProxy); | |
69 | |
70 DiscoveryUtil.dumpInterfaces(myProxy.getClass()); | |
71 | |
72 if (DiscoveryUtil.hasInterface(myProxy, | |
73 Administrable.class)) { | |
74 Administrable myAdmin = (Administrable) myProxy; | |
75 | |
76 Object myAdminProxy = myAdmin.getAdmin(); | |
77 | |
78 DiscoveryUtil.dumpInterfaces(myAdminProxy.getClass()); | |
79 | |
80 if (DiscoveryUtil.hasInterface(myAdminProxy, | |
81 BlitzAdmin.class)) { | |
82 BlitzAdmin myBlitzAdmin = | |
83 (BlitzAdmin) myAdminProxy; | |
84 | |
85 System.err.println("Invoking reap"); | |
86 myBlitzAdmin.reap(); | |
87 } else { | |
88 System.err.println("No BlitzAdmin interface found - can't be Blitz"); | |
89 } | |
90 } else { | |
91 System.err.println("No admin interface present - can't be Blitz"); | |
92 } | |
93 } | |
94 } catch (InterruptedException anIE) { | |
95 System.err.println("!!! Whoops service not found :( !!!"); | |
96 } | |
97 } catch (ClassNotFoundException aCNFE) { | |
98 System.err.println("ClassNotFound exception"); | |
99 aCNFE.printStackTrace(System.err); | |
100 } catch (RemoteException anRE) { | |
101 System.err.println("Remote exception"); | |
102 anRE.printStackTrace(System.err); | |
103 } catch (IOException anIOE) { | |
104 System.err.println("Failed to configure discovery"); | |
105 anIOE.printStackTrace(System.err); | |
106 } | |
107 } | |
108 } |