public void Add (Indexable indexable, Scheduler.Priority priority)
{
lock (indexables) {
indexables.Enqueue (indexable);
if (priority > highest_prio)
highest_prio = priority;
if (self_task == null) {
self_task = queryable.NewAddTask (this);
self_task.Priority = highest_prio;
queryable.ThisScheduler.Add (self_task);
} else {
self_task.Priority = highest_prio;
}
}
}
private void CrawlHook (Scheduler.Task task)
{
Crawl ();
task.Reschedule = true;
task.TriggerTime = DateTime.Now.AddHours (this.polling_interval_in_hours);
}
private void IndexNote (FileInfo file, Scheduler.Priority priority)
{
if (this.IsUpToDate (file.FullName))
return;
// Try and parse a Note from the given path
Note note = TomboyNote.ParseNote (file);
if (note == null)
return;
// A Note was returned; add it to the index
Indexable indexable = NoteToIndexable (file, note);
Scheduler.Task task = NewAddTask (indexable);
task.Priority = priority;
task.SubPriority = 0;
ThisScheduler.Add (task);
}
static private void ShutdownHook (Scheduler.Task task)
{
try {
Synchronize (SynchronizationTarget.Remote);
// FIXME: This may not be safe to do here
Logger.Log.Debug ("Purging locally synchronized indexes");
Directory.Delete (local_index_dir, true);
} catch (Exception ex) {
Logger.Log.Error (ex, "Caught exception while doing shutdown synchronization");
}
}
////////////////////////////////////////////////////////////////
static private void SynchronizeHook (Scheduler.Task task)
{
try {
Synchronize (SynchronizationTarget.Remote);
} catch (Exception ex) {
Logger.Log.Error (ex, "Caught exception while synchronizing");
}
task.Reschedule = true;
task.TriggerTime = DateTime.Now.AddMinutes (sync_interval_in_minutes);
}
private void IndexLog (string filename, Scheduler.Priority priority)
{
if (! File.Exists (filename))
return;
if (IsUpToDate (filename))
return;
Indexable indexable = ImLogToIndexable (filename);
Scheduler.Task task = NewAddTask (indexable);
task.Priority = priority;
task.SubPriority = 0;
ThisScheduler.Add (task);
}
private void CrawlHook (Scheduler.Task task)
{
Crawl ();
task.Reschedule = true;
task.TriggerTime = DateTime.Now.AddSeconds (polling_interval_in_seconds);
}
public void Schedule (Scheduler scheduler)
{
if (this.cancelled)
return; // do not schedule a cancelled task
// Increment the task groups the first
// time a task is scheduled.
if (this.scheduler == null)
IncrementAllTaskGroups ();
this.timestamp = DateTime.Now;
this.scheduler = scheduler;
this.cancelled = false;
}
///////////////////////////////
public void DoTask ()
{
if (! cancelled) {
if (Debug)
Logger.Log.Debug ("Starting task {0}", Tag);
child_task_group = null;
Reschedule = false;
TouchAllTaskGroups ();
Stopwatch sw = new Stopwatch ();
sw.Start ();
try {
DoTaskReal ();
} catch (Exception ex) {
misfires ++;
Logger.Log.Warn (ex,
"Caught exception in DoTaskReal\n" +
" Tag: {0}\n" +
" Creator: {1}\n" +
"Description: {2}\n" +
" Priority: {3} ({4})",
Tag, Creator, Description, Priority, SubPriority);
if (misfires >= MAX_TASK_EXCEPTION) {
Log.Warn ("More than {5} exceptions in DoTaskReal. Disabling further execution of task:\n" +
" Tag: {0}\n" +
" Creator: {1}\n" +
"Description: {2}\n" +
" Priority: {3} ({4})",
Tag, Creator, Description, Priority, SubPriority, MAX_TASK_EXCEPTION);
Cancel ("Exceptions in DoTaskReal");
}
}
sw.Stop ();
if (Debug)
Logger.Log.Debug ("Finished task {0} in {1}", Tag, sw);
if (cancelled) {
return;
} else if (Reschedule) {
++count;
if (Debug)
Log.Debug ("Rescheduling task {0}", Tag);
scheduler.Add (this); // re-add ourselves
} else {
DecrementAllTaskGroups ();
scheduler = null;
}
}
}
private void ScheduleRemoval (Property prop, Scheduler.Priority priority)
{
if (queryable.ThisScheduler.ContainsByTag (prop.ToString ())) {
Logger.Log.Debug ("Not adding a Task for already running: {0}", prop.ToString ());
return;
}
Scheduler.Task task = queryable.NewRemoveByPropertyTask (prop);
task.Priority = priority;
task.SubPriority = 0;
queryable.ThisScheduler.Add (task);
}
public void ScheduleRemoval (Uri[] uris, string tag, Scheduler.Priority priority)
{
if (queryable.ThisScheduler.ContainsByTag (tag)) {
Logger.Log.Debug ("Not adding a Task for already running: {0}", tag);
return;
}
Scheduler.Task task = queryable.NewAddTask (new UriRemovalIndexableGenerator (uris));
task.Priority = priority;
task.SubPriority = 0;
queryable.ThisScheduler.Add (task);
}
/////////////////////////////////////////////
int IndexArchive (FileInfo file, Scheduler.Priority priority)
{
if (this.FileAttributesStore.IsUpToDate (file.FullName))
return -1;
log.Debug ("Scanning Monodoc source file " + file);
Scheduler.TaskGroup group = NewMarkingTaskGroup (file.FullName, file.LastWriteTime);
int countTypes = 0;
ZipFile archive = new ZipFile (file.ToString());
foreach (ZipEntry entry in archive)
{
if (entry.Name.IndexOf (".") != -1)
continue;
XmlDocument document = new XmlDocument ();
document.Load (archive.GetInputStream (entry));
XmlNode type = document.SelectSingleNode ("/Type");
if (type == null)
continue;
Indexable typeIndexable = TypeNodeToIndexable(type,file);
Scheduler.Task typeTask = NewAddTask (typeIndexable);
typeTask.Priority = priority;
typeTask.SubPriority = 0;
typeTask.AddTaskGroup (group);
ThisScheduler.Add (typeTask);
foreach(XmlNode member in type.SelectNodes("Members/Member"))
{
Indexable memberIndexable = MemberNodeToIndexable(
member,
file,
type.Attributes["FullName"].Value);
Scheduler.Task memberTask = NewAddTask (memberIndexable);
memberTask.Priority = priority;
memberTask.SubPriority = 0;
memberTask.AddTaskGroup (group);
ThisScheduler.Add (memberTask);
}
countTypes++;
}
return countTypes;
}
public void ScheduleIndexable (Indexable indexable, Scheduler.Priority priority)
{
generator.Add (indexable, priority);
}
// Ouch! What a name ?!
private void ContinueIndexerIndexableIndexing (Scheduler.Task task)
{
Flush (true);
}
private void IndexLauncher (FileInfo file, Scheduler.Priority priority)
{
if ((! file.Exists)
|| (this.FileAttributesStore.IsUpToDate (file.FullName)))
return;
/* Check to see if file is a launcher */
if (Beagle.Util.VFS.Mime.GetMimeType (file.FullName) != "application/x-desktop")
return;
StreamReader reader;
try {
reader = new StreamReader (file.Open (FileMode.Open, FileAccess.Read, FileShare.Read));
} catch (Exception e) {
log.Warn ("Could not open '{0}': {1}", file.FullName, e.Message);
return;
}
if (reader.ReadLine () != "[Desktop Entry]") {
reader.Close ();
return;
}
/* I'm convinced it is a launcher */
Indexable indexable = new Indexable (UriFu.PathToFileUri (file.FullName));
indexable.Timestamp = file.LastWriteTime;
indexable.Type = "Launcher";
indexable.MimeType = "application/x-desktop";
// desktop files must have a name
bool have_name = false;
String line;
while ((line = reader.ReadLine ()) != null) {
string [] sline = line.Split ('=');
if (sline.Length != 2)
continue;
// FIXME: We shouldnt really search fields that are in other locales than the current should we?
if (sline [0].Equals ("Icon") || sline [0].Equals ("Exec")) {
indexable.AddProperty (Beagle.Property.NewUnsearched ("fixme:" + sline[0], sline[1]));
} else if (sline [0].StartsWith ("Name")) {
if (sline [0] == "Name")
have_name = true;
indexable.AddProperty (Beagle.Property.NewUnsearched ("fixme:" + sline[0], sline[1]));
} else if (sline[0].StartsWith ("Comment")) {
indexable.AddProperty (Beagle.Property.New ("fixme:" + sline[0], sline[1]));
}
}
reader.Close ();
if (have_name) {
Scheduler.Task task = NewAddTask (indexable);
task.Priority = priority;
ThisScheduler.Add (task);
}
}
///////////////////////////////
// Clean-up is called whenever we know that a task will never
// be executed. It is never called on tasks for who DoTaskReal
// has been called (except when rescheduled). Cleanup is also
// called when a task is cancelled.
public void Cleanup ()
{
try {
DoCleanup ();
} catch (Exception ex) {
Logger.Log.Warn (ex, "Caught exception cleaning up task '{0}'", Tag);
} finally {
Reschedule = false;
scheduler = null;
}
}
/**
* for non-inotify case, this method is invoked repeatedly
*/
private void CrawlHook (Scheduler.Task task)
{
if (local_indexer != null)
local_indexer.Crawl ();
if (dimap_indexer != null)
dimap_indexer.Crawl ();
task.Reschedule = true;
task.TriggerTime = DateTime.Now.AddSeconds (polling_interval_in_seconds);
}
private void CrawlHook (Scheduler.Task task)
{
if (!ThisScheduler.ContainsByTag (crawler_tag)) {
Crawl ();
}
task.Reschedule = true;
task.TriggerTime = DateTime.Now.AddSeconds (polling_interval_in_seconds);
}
