tools/Info.cs

   1 //
   2 // Info.cs
   3 //
   4 // Copyright (C) 2005 Novell, Inc.
   5 // Copyright (C) 2006 Debajyoti Bera <dbera.web@gmail.com>
   6 //
   7
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining a copy
  10 // of this software and associated documentation files (the "Software"), to deal
  11 // in the Software without restriction, including without limitation the rights
  12 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  13 // copies of the Software, and to permit persons to whom the Software is
  14 // furnished to do so, subject to the following conditions:
  15 //
  16 // The above copyright notice and this permission notice shall be included in all
  17 // copies or substantial portions of the Software.
  18 //
  19 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  20 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  22 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  23 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  24 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  25 // SOFTWARE.
  26 //
  27
  28 using System;
  29 using System.Reflection;
  30
  31 using Beagle;
  32 using Beagle.Daemon;
  33 using Beagle.Util;
  34
  35 class InfoTool {
  36
  37         public static void PrintUsageAndExit ()
  38         {
  39                 string usage =
  40                         "beagle-info: Statistics from the Beagle daemon.\n" +
  41                         "Web page: http://www.gnome.org/projects/beagle\n" +
  42                         "Copyright (C) 2004-2005 Novell, Inc.\n\n";
  43                 usage +=
  44                         "Usage: beagle-info <OPTIONS>\n\n" +
  45                         "Options:\n" +
  46                         "  --daemon-version\t\tPrint the version of the running daemon.\n" +
  47                         "  --status\t\t\tDisplay status of the running daemon.\n" +
  48                         "  --index-info\t\t\tDisplay statistics of the Beagle indexes.\n" +
  49                         "  --list-filters\t\tList the currently available filters.\n" +
  50                         "  --help\t\t\tPrint this usage message.\n";
  51
  52                 Console.WriteLine (usage);
  53
  54                 System.Environment.Exit (0);
  55         }
  56
  57         static int Main (string[] args)
  58         {
  59                 if (args.Length == 0 || Array.IndexOf (args, "--help") > -1)
  60                         PrintUsageAndExit ();
  61
  62                 if (Array.IndexOf (args, "--list-filters") > -1)
  63                         PrintFilterInformation ();
  64                 else
  65                         return PrintDaemonInformation (args);
  66
  67                 return 0;
  68         }
  69
  70         private static int PrintDaemonInformation (string[] args)
  71         {
  72                 DaemonInformationRequest request = new DaemonInformationRequest ();
  73                 DaemonInformationResponse response;
  74
  75                 try {
  76                         Console.WriteLine ("Sending begins at:" + DateTime.Now);
  77                         response = (DaemonInformationResponse) request.Send ();
  78                         Console.WriteLine ("Sending done at:" + DateTime.Now);
  79                 } catch (Beagle.ResponseMessageException) {
  80                         Console.WriteLine ("Could not connect to the daemon.");
  81                         return 1;
  82                 }
  83
  84                 if (Array.IndexOf (args, "--daemon-version") > -1)
  85                         Console.WriteLine ("Daemon version: {0}", response.Version);
  86
  87                 if (Array.IndexOf (args, "--status") > -1)
  88                         Console.Write (response.HumanReadableStatus);
  89
  90                 if (Array.IndexOf (args, "--index-info") > -1) {
  91                         Console.WriteLine ("Index information:");
  92                         Console.WriteLine (response.IndexInformation);
  93                 }
  94
  95                 if (Array.IndexOf (args, "--is-indexing") > -1)
  96                         Console.WriteLine ("Daemon indexing: {0}", response.IsIndexing);
  97
  98                 return 0;
  99         }
 100
 101         private static void PrintFilterInformation ()
 102         {
 103                 ReflectionFu.ScanEnvironmentForAssemblies ("BEAGLE_FILTER_PATH", PathFinder.FilterDir, PrintFilterDetails);
 104         }
 105
 106         static void PrintFilterDetails (Assembly assembly)
 107         {
 108                 foreach (Type t in ReflectionFu.ScanAssemblyForClass (assembly, typeof (Filter))) {
 109                         Filter filter = null;
 110
 111                         try {
 112                                 filter = (Filter) Activator.CreateInstance (t);
 113                         } catch (Exception ex) {
 114                                 Logger.Log.Error ("Caught exception while instantiating {0}", t);
 115                                 Logger.Log.Error (ex);
 116                         }
 117
 118                         if (filter == null)
 119                                 continue;
 120
 121                         string name;
 122
 123                         if (t.FullName.StartsWith (t.Namespace))
 124                                 name = t.FullName.Substring (t.Namespace.Length + 1);
 125                         else
 126                                 name = t.FullName;
 127
 128                         Console.WriteLine (name + " - Version " + filter.Version + " (" + assembly.Location + ")");
 129
 130                         foreach (FilterFlavor flavor in filter.SupportedFlavors) {
 131                                 if (flavor.MimeType != null)
 132                                         Console.WriteLine ("  - " + flavor.MimeType);
 133                                 if (flavor.Extension != null)
 134                                         Console.WriteLine ("  - *" + flavor.Extension);
 135                         }
 136
 137                         Console.WriteLine ();
 138                 }
 139         }
 140 }
 141
 142