Mercurial > hg > blitz_condensed
annotate src/org/dancres/blitz/tools/HotBackup.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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0
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1 package org.dancres.blitz.tools; |
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2 |
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3 import java.io.IOException; |
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4 |
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5 import java.rmi.RemoteException; |
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6 import java.rmi.RMISecurityManager; |
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7 |
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8 import net.jini.discovery.*; |
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9 |
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10 import net.jini.lookup.*; |
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11 import net.jini.lookup.entry.Name; |
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12 |
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13 import net.jini.core.lookup.ServiceItem; |
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14 import net.jini.core.lookup.ServiceTemplate; |
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15 |
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16 import net.jini.core.entry.Entry; |
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17 |
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18 import net.jini.admin.Administrable; |
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19 |
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20 import net.jini.space.JavaSpace; |
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21 |
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22 import net.jini.core.transaction.TransactionException; |
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23 |
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24 import org.dancres.blitz.remote.BlitzAdmin; |
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25 |
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26 import org.dancres.jini.util.DiscoveryUtil; |
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27 import org.dancres.jini.util.ServiceLocator; |
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28 |
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29 /** |
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30 <p>Triggers a backup to the specified directory which must be available to |
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31 the machine on which the Blitz instance is running.</p> |
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32 |
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33 <p>Arguments are directory and spacename or directory, LUS host and |
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34 spacename</p> |
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35 |
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36 @see org.dancres.blitz.remote.BlitzAdmin |
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37 */ |
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38 public class HotBackup { |
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39 private static final long MAX_DISCOVER_TIME = 15 * 1000; |
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40 |
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41 public static void main(String args[]) { |
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42 if (System.getSecurityManager() == null) |
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43 System.setSecurityManager(new RMISecurityManager()); |
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44 |
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45 try { |
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46 try { |
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47 Object myProxy = null; |
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48 |
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49 if (args.length == 2) |
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50 myProxy = ServiceLocator.getService(JavaSpace.class, |
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51 args[1], |
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52 MAX_DISCOVER_TIME); |
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53 else if (args.length == 3) { |
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54 myProxy = ServiceLocator.getService(args[1], |
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55 JavaSpace.class, |
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56 args[2]); |
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57 } else { |
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58 System.err.println("Wrong number of arguments - should be <dir> <spacename> or <dir> <LUS host> <spacename>"); |
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59 System.exit(-1); |
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60 } |
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61 |
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62 String myDir = args[0]; |
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63 |
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64 if (myProxy != null) { |
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65 System.err.println("Found space: " + myProxy); |
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66 |
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67 DiscoveryUtil.dumpInterfaces(myProxy.getClass()); |
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68 |
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69 if (DiscoveryUtil.hasInterface(myProxy, |
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70 Administrable.class)) { |
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71 Administrable myAdmin = (Administrable) myProxy; |
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72 |
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73 Object myAdminProxy = myAdmin.getAdmin(); |
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74 |
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75 DiscoveryUtil.dumpInterfaces(myAdminProxy.getClass()); |
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76 |
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77 if (DiscoveryUtil.hasInterface(myAdminProxy, |
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78 BlitzAdmin.class)) { |
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79 BlitzAdmin myBlitzAdmin = |
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80 (BlitzAdmin) myAdminProxy; |
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81 |
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82 try { |
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83 System.err.println("Invoking backup to: " + |
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84 myDir); |
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85 myBlitzAdmin.backup(myDir); |
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86 } catch (Exception aE) { |
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87 System.err.println("Failed to backup"); |
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88 aE.printStackTrace(System.err); |
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89 System.exit(-1); |
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90 } |
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91 } else { |
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92 System.err.println("No BlitzAdmin interface found - can't be Blitz"); |
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93 } |
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94 } else { |
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95 System.err.println("No admin interface present - can't be Blitz"); |
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96 } |
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97 } |
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98 } catch (InterruptedException anIE) { |
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99 System.err.println("!!! Whoops service not found :( !!!"); |
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100 } |
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101 } catch (ClassNotFoundException aCNFE) { |
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102 System.err.println("ClassNotFound exception"); |
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103 aCNFE.printStackTrace(System.err); |
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104 } catch (RemoteException anRE) { |
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105 System.err.println("Remote exception"); |
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106 anRE.printStackTrace(System.err); |
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107 } catch (IOException anIOE) { |
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108 System.err.println("Failed to configure discovery"); |
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109 anIOE.printStackTrace(System.err); |
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110 } |
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111 } |
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112 } |