Esempio n. 1
0
        public static void DoMain(string[] args)
        {
            SystemInformation.InternalCallInitializer.Init();
            SystemInformation.SetProcessName("beagrepd");

            // Process the command-line arguments
            bool arg_debug        = false;
            bool arg_debug_memory = false;
            bool arg_fg           = false;

            int i = 0;

            while (i < args.Length)
            {
                string arg = args [i];
                ++i;
                string next_arg = i < args.Length ? args [i] : null;

                switch (arg)
                {
                case "-h":
                case "--help":
                    PrintUsage();
                    Environment.Exit(0);
                    break;

                case "--mdb":
                case "--mono-debug":
                    // Silently ignore these arguments: they get handled
                    // in the wrapper script.
                    break;

                case "--list-backends":
                    Console.WriteLine("Current available backends:");
                    Console.Write(QueryDriver.ListBackends());
                    Environment.Exit(0);
                    break;

                case "--fg":
                case "--foreground":
                    arg_fg = true;
                    break;

                case "--bg":
                case "--background":
                    arg_fg = false;
                    break;

                case "--replace":
                    arg_replace = true;
                    break;

                case "--debug":
                    arg_debug = true;
                    break;

                case "--heap-shot":
                    arg_heap_shot    = true;
                    arg_debug        = true;
                    arg_debug_memory = true;
                    break;

                case "--no-snapshots":
                case "--no-snapshot":
                    arg_heap_shot_snapshots = false;
                    break;

                case "--heap-buddy":
                case "--debug-memory":
                    arg_debug        = true;
                    arg_debug_memory = true;
                    break;

                case "--indexing-test-mode":
                    arg_indexing_test_mode = true;
                    arg_fg = true;
                    break;

                case "--backend":
                    if (next_arg == null)
                    {
                        Console.WriteLine("--backend requires a backend name");
                        Environment.Exit(1);
                        break;
                    }

                    if (next_arg.StartsWith("--"))
                    {
                        Console.WriteLine("--backend requires a backend name. Invalid name '{0}'", next_arg);
                        Environment.Exit(1);
                        break;
                    }

                    if (next_arg [0] != '+' && next_arg [0] != '-')
                    {
                        QueryDriver.OnlyAllow(next_arg);
                    }
                    else
                    {
                        if (next_arg [0] == '+')
                        {
                            QueryDriver.Allow(next_arg.Substring(1));
                        }
                        else
                        {
                            QueryDriver.Deny(next_arg.Substring(1));
                        }
                    }

                    ++i;                     // we used next_arg
                    break;

                case "--add-static-backend":
                    if (next_arg != null)
                    {
                        QueryDriver.AddStaticQueryable(next_arg);
                    }
                    ++i;
                    break;

                case "--disable-scheduler":
                    arg_disable_scheduler = true;
                    break;

                case "--indexing-delay":
                    if (next_arg != null)
                    {
                        try {
                            QueryDriver.IndexingDelay = Int32.Parse(next_arg);
                        } catch {
                            Console.WriteLine("'{0}' is not a valid number of seconds", next_arg);
                            Environment.Exit(1);
                        }
                    }

                    ++i;
                    break;

                case "--autostarted":
                    // FIXME: This option is deprecated and will be removed in a future release.
                    break;

                case "--disable-text-cache":
                    disable_textcache = true;
                    break;

                case "--version":
                    VersionFu.PrintVersion();
                    Environment.Exit(0);
                    break;

                default:
                    Console.WriteLine("Unknown argument '{0}'", arg);
                    Environment.Exit(1);
                    break;
                }
            }

            if (Environment.GetEnvironmentVariable("SABAYON_SESSION_RUNNING") == "yes")
            {
                Console.WriteLine("Beagrep is running underneath Sabayon, exiting.");
                Environment.Exit(0);
            }

            if (arg_indexing_test_mode)
            {
                LuceneQueryable.OptimizeRightAway = true;
            }

            // Bail out if we are trying to run as root
            if (Environment.UserName == "root" && Environment.GetEnvironmentVariable("SUDO_USER") != null)
            {
                Console.WriteLine("You appear to be running beagrep using sudo.  This can cause problems with");
                Console.WriteLine("permissions in your .beagrep and .wapi directories if you later try to run");
                Console.WriteLine("as an unprivileged user.  If you need to run beagrep as root, please use");
                Console.WriteLine("'su -c' instead.");
                Environment.Exit(-1);
            }

            if (Environment.UserName == "root" && !Conf.Daemon.GetOption(Conf.Names.AllowRoot, false))
            {
                Console.WriteLine("You can not run beagrep as root.  Beagrep is designed to run from your own");
                Console.WriteLine("user account.  If you want to create multiuser or system-wide indexes, use");
                Console.WriteLine("the beagrep-build-index tool.");
                Console.WriteLine();
                Console.WriteLine("You can override this setting using the beagrep-config or beagrep-settings tools.");
                Environment.Exit(-1);
            }

            try {
                string tmp = PathFinder.HomeDir;
            } catch (Exception e) {
                Console.WriteLine("Unable to start the daemon: {0}", e.Message);
                Environment.Exit(-1);
            }

            MainLoopThread = Thread.CurrentThread;

            // FIXME: We always turn on full debugging output!  We are still
            // debugging this code, after all...
            // arg_debug ? LogLevel.Debug : LogLevel.Warn

            Log.Initialize(PathFinder.LogDir, "Beagrep", LogLevel.Debug, arg_fg);
            Log.Always("Starting Beagrep Daemon (version {0})", ExternalStringsHack.Version);
            Log.Always("Running on {0}", SystemInformation.MonoRuntimeVersion);
            Log.Always("Command Line: {0}",
                       Environment.CommandLine != null ? Environment.CommandLine : "(null)");

            if (!ExtendedAttribute.Supported)
            {
                Logger.Log.Warn("Extended attributes are not supported on this filesystem. " +
                                "Performance will suffer as a result.");
            }

            if (disable_textcache)
            {
                Log.Warn("Running with text-cache disabled!");
                Log.Warn("*** Snippets will not be returned for documents indexed in this session.");
            }

            // Check if global configuration files are installed
            if (!Conf.CheckGlobalConfig())
            {
                Console.WriteLine("Global configuration files not found in '{0}'", PathFinder.ConfigDataDir);
                Environment.Exit(-1);
            }

            // Start our memory-logging thread
            if (arg_debug_memory)
            {
                ExceptionHandlingThread.Start(new ThreadStart(LogMemoryUsage));
            }

            // Do BEAGREP_EXERCISE_THE_DOG_HARDER-related processing.
            ExerciseTheDogHarder();

            // Initialize GObject type system
            g_type_init();


            // Lower our CPU priority
            SystemPriorities.Renice(7);

            QueryDriver.Init();
            Server.Init();

#if MONO_1_9
            Shutdown.SetupSignalHandlers(new Shutdown.SignalHandler(HandleSignal));
#else
            SetupSignalHandlers();
#endif

            Shutdown.ShutdownEvent += OnShutdown;

            main_loop = new MainLoop();
            Shutdown.RegisterMainLoop(main_loop);

            // Defer all actual startup until the main loop is
            // running.  That way shutdowns during the startup
            // process work correctly.
            GLib.Idle.Add(new GLib.IdleHandler(StartupProcess));

            // Start our event loop.
            main_loop.Run();

            // We're out of the main loop now, join all the
            // running threads so we can exit cleanly.
            ExceptionHandlingThread.JoinAllThreads();

            // If we placed our sockets in a temp directory, try to clean it up
            // Note: this may fail because the helper is still running
            if (PathFinder.GetRemoteStorageDir(false) != PathFinder.StorageDir)
            {
                try {
                    Directory.Delete(PathFinder.GetRemoteStorageDir(false));
                } catch (IOException) { }
            }

            Log.Always("Beagrep daemon process shut down cleanly.");
        }
Esempio n. 2
0
        static void DoMain(string [] args)
        {
            SystemInformation.SetProcessName("beagrep-build-index");

            if (args.Length < 2)
            {
                PrintUsage();
            }

            ArrayList allowed_patterns    = new ArrayList();
            ArrayList denied_patterns     = new ArrayList();
            ArrayList denied_dir_patterns = new ArrayList();

            int i = 0;

            while (i < args.Length)
            {
                string arg = args [i];
                ++i;
                string next_arg = i < args.Length ? args [i] : null;

                switch (arg)
                {
                case "-h":
                case "--help":
                    PrintUsage();
                    break;

                case "--tag":
                    if (next_arg != null)
                    {
                        arg_tag = next_arg;
                    }
                    ++i;
                    break;

                case "-r":
                case "--recursive":
                    arg_recursive = true;
                    break;

                case "--enable-deletion":
                    arg_delete = true;
                    break;

                case "--disable-directories":
                    arg_disable_directories = true;
                    break;

                case "--enable-text-cache":
                    arg_cache_text = true;
                    break;

                case "--target":
                    if (next_arg != null)
                    {
                        arg_output = Path.IsPathRooted(next_arg) ? next_arg : Path.GetFullPath(next_arg);
                    }
                    ++i;
                    break;

                case "--disable-filtering":
                    arg_disable_filtering = true;
                    break;

                case "--allow-pattern":
                    if (next_arg == null)
                    {
                        break;
                    }

                    if (next_arg.IndexOf(',') != -1)
                    {
                        foreach (string pattern in next_arg.Split(','))
                        {
                            allowed_patterns.Add(pattern);
                        }
                    }
                    else
                    {
                        allowed_patterns.Add(next_arg);
                    }

                    ++i;
                    break;

                case "--deny-directory-pattern":
                    if (next_arg == null)
                    {
                        break;
                    }

                    if (next_arg.IndexOf(',') != -1)
                    {
                        foreach (string pattern in next_arg.Split(','))
                        {
                            denied_dir_patterns.Add(pattern);
                        }
                    }
                    else
                    {
                        denied_dir_patterns.Add(next_arg);
                    }

                    ++i;
                    break;

                case "--deny-pattern":
                    if (next_arg == null)
                    {
                        break;
                    }

                    if (next_arg.IndexOf(',') != -1)
                    {
                        foreach (string pattern in next_arg.Split(','))
                        {
                            denied_patterns.Add(pattern);
                        }
                    }
                    else
                    {
                        denied_patterns.Add(next_arg);
                    }

                    ++i;
                    break;

                case "--disable-restart":
                    arg_disable_restart = true;
                    break;

                case "--source":
                    if (next_arg == null)
                    {
                        break;
                    }

                    arg_source = next_arg;
                    ++i;
                    break;

                default:
                    if (arg.StartsWith("-") || arg.StartsWith("--"))
                    {
                        PrintUsage();
                    }

                    string path = Path.IsPathRooted(arg) ? arg : Path.GetFullPath(arg);
                    if (path != "/" && path.EndsWith("/"))
                    {
                        path = path.TrimEnd('/');
                    }

                    if (Directory.Exists(path))
                    {
                        pending_directories.Enqueue(new DirectoryInfo(path));
                    }
                    else if (File.Exists(path))
                    {
                        pending_files.Enqueue(new FileInfo(path));
                    }
                    break;
                }
            }

            /////////////////////////////////////////////////////////

            if (arg_output == null)
            {
                Logger.Log.Error("--target must be specified");
                Environment.Exit(1);
            }

            // Set the storage dir, this should be used to store log messages
            // and filterver.dat
            PathFinder.StorageDir = arg_output;

            foreach (FileSystemInfo info in pending_directories)
            {
                if (Path.GetFullPath(arg_output) == info.FullName)
                {
                    Logger.Log.Error("Target directory cannot be one of the source paths.");
                    Environment.Exit(1);
                }
            }

            foreach (FileSystemInfo info in pending_files)
            {
                if (Path.GetFullPath(arg_output) == info.FullName)
                {
                    Logger.Log.Error("Target directory cannot be one of the source paths.");
                    Environment.Exit(1);
                }
            }

            if (!Directory.Exists(Path.GetDirectoryName(arg_output)))
            {
                Logger.Log.Error("Index directory not available for construction: {0}", arg_output);
                Environment.Exit(1);
            }

            // Be *EXTRA PARANOID* about the contents of the target
            // directory, because creating an indexing driver will
            // nuke it.
            if (Directory.Exists(arg_output))
            {
                foreach (FileInfo info in DirectoryWalker.GetFileInfos(arg_output))
                {
                    if (Array.IndexOf(allowed_files, info.Name) == -1)
                    {
                        Logger.Log.Error("{0} doesn't look safe to delete: non-Beagrep file {1} was found", arg_output, info.FullName);
                        Environment.Exit(1);
                    }
                }

                foreach (DirectoryInfo info in DirectoryWalker.GetDirectoryInfos(arg_output))
                {
                    if (Array.IndexOf(allowed_dirs, info.Name) == -1)
                    {
                        Logger.Log.Error("{0} doesn't look safe to delete: non-Beagrep directory {1} was found", arg_output, info.FullName);
                        Environment.Exit(1);
                    }
                }
            }

            string config_file_path = Path.Combine(arg_output, "StaticIndex.xml");
            string prev_source      = null;

            if (File.Exists(config_file_path))
            {
                Config static_index_config = Conf.LoadFrom(config_file_path);
                if (static_index_config == null)
                {
                    Log.Error("Invalid configuation file {0}", config_file_path);
                    Environment.Exit(1);
                }

                prev_source = static_index_config.GetOption("Source", null);
                if (arg_source != null && prev_source != arg_source)
                {
                    Log.Error("Source already set to {0} for existing static index. Cannot set source to {1}.", prev_source, arg_source);
                    Environment.Exit(1);
                }

                // If arg_source is not given, and prev_source is present, use prev_source
                // as the arg_source. This is useful for re-running build-index without
                // giving --arg_source for already existing static index
                arg_source = prev_source;
            }


            if (arg_source == null)
            {
                DirectoryInfo dir = new DirectoryInfo(StringFu.SanitizePath(arg_output));
                arg_source = dir.Name;
            }

            string global_files_config = Path.Combine(PathFinder.ConfigDataDir, "config-files");

            global_files_config = Path.Combine(global_files_config, Conf.Names.FilesQueryableConfig + ".xml");
            if (!File.Exists(global_files_config))
            {
                Log.Error("Global configuration file not found {0}", global_files_config);
                Environment.Exit(0);
            }

            // Setup regexes for allowed/denied patterns
            if (allowed_patterns.Count > 0)
            {
                allowed_regex = StringFu.GetPatternRegex(allowed_patterns);
            }
            else
            {
                // Read the exclude values from config
                // For system-wide indexes, only the global config value will be used
                Config          config = Conf.Get(Conf.Names.FilesQueryableConfig);
                List <string[]> values = config.GetListOptionValues(Conf.Names.ExcludePattern);
                if (values != null)
                {
                    foreach (string[] exclude in values)
                    {
                        denied_patterns.Add(exclude [0]);
                    }
                }

                if (denied_patterns.Count > 0)
                {
                    denied_regex = StringFu.GetPatternRegex(denied_patterns);
                }
            }

            if (denied_dir_patterns.Count > 0)
            {
                denied_dir_regex = StringFu.GetPatternRegex(denied_dir_patterns);
                Log.Always("Will ignore directories matching regular expression: {0}", denied_dir_regex);
            }

            Log.Always("Starting beagrep-build-index (pid {0}) at {1}", Process.GetCurrentProcess().Id, DateTime.Now);

            driver           = new LuceneIndexingDriver(arg_output, MINOR_VERSION, false);
            driver.TextCache = (arg_cache_text) ? new TextCache(arg_output) : null;
            if (driver.TextCache != null)
            {
                driver.TextCache.WorldReadable = true;
            }

            backing_fa_store = new FileAttributesStore_Sqlite(driver.TopDirectory, driver.Fingerprint);
            fa_store         = new FileAttributesStore(backing_fa_store);

            // Set up signal handlers
#if MONO_1_9
            Shutdown.SetupSignalHandlers(delegate(int signal)
            {
                if (signal == (int)Mono.Unix.Native.Signum.SIGINT ||
                    signal == (int)Mono.Unix.Native.Signum.SIGTERM)
                {
                    Shutdown.BeginShutdown();
                }
            });
#else
            SetupSignalHandlers();
#endif

            Thread monitor_thread = null;

            Stopwatch watch = new Stopwatch();
            watch.Start();

            if (!arg_disable_restart)
            {
                // Start the thread that monitors memory usage.
                monitor_thread = ExceptionHandlingThread.Start(new ThreadStart(MemoryMonitorWorker));
            }

            // Start indexworker to do the crawling and indexing
            IndexWorker();

            // Join any threads so that we know that we're the only thread still running
            if (monitor_thread != null)
            {
                monitor_thread.Join();
            }

            watch.Stop();
            Logger.Log.Debug("Elapsed time {0}.", watch);

            // Write this after indexing is done. This is because, if creating a new index,
            // LuceneIndexingDriver.Create() is called which purges the entire directory.

            if (prev_source == null)
            {
                Config static_index_config = Conf.LoadNew("StaticIndex.xml");

                // Write StaticIndex.xml containing:
                // The name of the source
                static_index_config.SetOption("Source", arg_source);
                static_index_config ["Source"].Description = "Source of the static index";


                Conf.SaveTo(static_index_config, config_file_path);
            }

            if (restart)
            {
                Logger.Log.Debug("Restarting beagrep-build-index");
                Process p = new Process();
                p.StartInfo.UseShellExecute = false;
                // FIXME: Maybe this isn't the right way to do things?  It should be ok,
                // the PATH is inherited from the shell script which runs mono itself.
                p.StartInfo.FileName  = "mono";
                p.StartInfo.Arguments = String.Join(" ", Environment.GetCommandLineArgs());
                p.Start();
            }

            Log.Always("Exiting beagrep-build-index (pid {0}) at {1}", Process.GetCurrentProcess().Id, DateTime.Now);
        }