| static private DoMain ( string args ) : void | ||
| args | string | |
| Результат | void | |
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);
}