private void OnInotify (Inotify.Watch watch,
string path,
string subitem,
string srcpath,
Inotify.EventType type)
{
if (subitem == null)
return;
// Unsubscribe to directories that have been removed
if ((type & Inotify.EventType.Delete) != 0 && (type & Inotify.EventType.IsDirectory) != 0)
watch.Unsubscribe ();
lock (queue.SyncRoot) {
bool found = false;
for (int i = 0; i < queue.Count; i++) {
Event ev = (Event) queue.Dequeue ();
if (ev.Path == path && ev.Subitem == subitem && ev.Srcpath == srcpath) {
found = true;
ev.Type = (ev.Type | type);
queue.Enqueue (ev);
break;
}
queue.Enqueue (ev);
}
if (!found) {
queue.Enqueue (new Event (watch, path, subitem, srcpath,
type, -1, Thunderbird.GetFileSize (Path.Combine (path, subitem))));
}
}
}
public void Unsubscribe()
{
if (!this.is_subscribed)
{
return;
}
Inotify.Unsubscribe(watchinfo, this);
this.is_subscribed = false;
}
public Event (Inotify.Watch watch, string path, string subitem,
string srcpath, Inotify.EventType type, long old_size, long current_size)
{
this.Watch = watch;
this.Path = path;
this.Subitem = subitem;
this.Srcpath = srcpath;
this.Type = type;
this.OldFileSize = old_size;
this.CurrentFileSize = current_size;
}
/////////////////////////////////////////////////////////////////////////////////
#if INOTIFY_TEST
private static void Main(string [] args)
{
Queue to_watch = new Queue();
bool recursive = false;
foreach (string arg in args)
{
if (arg == "-r" || arg == "--recursive")
{
recursive = true;
}
else
{
// Our hashes work without a trailing path delimiter
string path = arg.TrimEnd('/');
to_watch.Enqueue(path);
}
}
while (to_watch.Count > 0)
{
string path = (string)to_watch.Dequeue();
Console.WriteLine("Watching {0}", path);
Inotify.Subscribe(path, null, Inotify.EventType.All);
if (recursive)
{
foreach (string subdir in DirectoryWalker.GetDirectories(path))
{
to_watch.Enqueue(subdir);
}
}
}
Inotify.Start();
Inotify.Verbose = true;
while (Inotify.Enabled && Inotify.WatchCount > 0)
{
Thread.Sleep(1000);
}
if (Inotify.WatchCount == 0)
{
Console.WriteLine("Nothing being watched.");
}
// Kill the event-reading thread so that we exit
Inotify.Stop();
}
private void OnInotifyEvent (Inotify.Watch watch,
string path,
string subitem,
string srcpath,
Inotify.EventType type)
{
if (subitem == "")
return;
string full_path = Path.Combine (path, subitem);
if ((type & Inotify.EventType.Create) != 0 && (type & Inotify.EventType.IsDirectory) != 0) {
Watch (full_path);
return;
}
if ((type & Inotify.EventType.Delete) != 0 && (type & Inotify.EventType.IsDirectory) != 0) {
watch.Unsubscribe ();
return;
}
if ((type & Inotify.EventType.MovedTo) != 0) {
if (subitem == "summary") {
// IMAP summary
if (SummaryAddedEvent != null && File.Exists (full_path)) {
Logger.Log.Info ("Reindexing updated IMAP summary: {0}", full_path);
SummaryAddedEvent (new FileInfo (full_path), true);
}
} else if (Path.GetExtension (full_path) == ".ev-summary") {
// mbox summary
string mbox_file = Path.ChangeExtension (full_path, null);
if (MboxAddedEvent != null && File.Exists (mbox_file)) {
Logger.Log.Info ("Reindexing updated mbox: {0}", mbox_file);
MboxAddedEvent (new FileInfo (mbox_file), true);
}
}
}
}
private void OnInotifyEvent (
Inotify.Watch watch,
string path,
string subitem,
string srcpath,
Inotify.EventType type)
{
// Stop watching if we are deleted. We should unsubscribe to the Inotify watcher
// here to, but that gives an exception. Why?
if ((type & Inotify.EventType.DeleteSelf) != 0) {
CancelIndexable ();
return;
}
// We need to have a filename
if (subitem == null)
return;
// If the running indexable generator has more items, we don't have to care here.
// Otherwise launch a new indexable generator.
if (indexable_generator != null && !indexable_generator.Done)
return;
LaunchIndexable ();
}
public void Watch (string path, Inotify.EventType type)
{
Inotify.Subscribe (path, OnInotify, type);
}
private void OnInotify (Inotify.Watch watch,
string path,
string subitem,
string srcpath,
Inotify.EventType event_type)
{
if ((event_type & Inotify.EventType.MovedTo) != 0 && subitem == "dcache4.url") {
IndexDirectory (path);
return;
}
}
private void OnInotifyEvent (Inotify.Watch watch,
string path,
string subitem,
string srcpath,
Inotify.EventType type)
{
bool is_directory;
is_directory = (type & Inotify.EventType.IsDirectory) != 0;
queryable.ReportEventInDirectory (path);
// The case of matched move events
if ((type & Inotify.EventType.MovedTo) != 0 && srcpath != null) {
queryable.HandleMoveEvent (Path.GetDirectoryName (srcpath),
Path.GetFileName (srcpath),
path, subitem, is_directory);
return;
}
// Then this must be an unmatched moveto
// An unmatched MovedTo is like a create
if ((type & Inotify.EventType.MovedTo) != 0) {
// Synthesize the appropriate Create event. Note that we could check for the
// IsDirectory event here, but this also shrinks the race window.
if (is_directory)
type |= Inotify.EventType.Create;
else
type |= Inotify.EventType.CloseWrite;
Logger.Log.Debug ("Synthesizing event on unpaired MoveTo", type);
}
// An unmatched MovedFrom is like a delete
if ((type & Inotify.EventType.MovedFrom) != 0) {
type |= Inotify.EventType.Delete;
Logger.Log.Debug ("Synthesizing event on unpaired MoveFrom", type);
}
if ((type & Inotify.EventType.Delete) != 0) {
queryable.HandleRemoveEvent (path, subitem, is_directory);
return;
}
if ((type & Inotify.EventType.Create) != 0) {
if (is_directory)
queryable.HandleAddEvent (path, subitem, is_directory);
return;
}
if ((type & Inotify.EventType.CloseWrite) != 0) {
queryable.HandleAddEvent (path, subitem, is_directory);
return;
}
if ((type & Inotify.EventType.Attrib) != 0) {
queryable.HandleAttribEvent (path, subitem, is_directory);
return;
}
if ((type & Inotify.EventType.QueueOverflow) != 0) {
Logger.Log.Warn ("Inotify queue overflowed: file system is in an unknown state");
queryable.HandleOverflowEvent ();
return;
}
}
/////////////////////////////////////////////////
// Modified/Created event using Inotify
private void OnInotifyEvent (Inotify.Watch watch,
string path,
string subitem,
string srcpath,
Inotify.EventType type)
{
if (subitem == "")
return;
// Watch konq_cache_dir for new directory creation
// Watch its subdirectories for new file creation
// If any file in created in konq_cache_dir, ignore it
// Its a Konq error otherwise
if ((type & Inotify.EventType.IsDirectory) == 0)
IndexSingleFile (Path.Combine (path, subitem));
else if ((type & Inotify.EventType.IsDirectory) != 0)
Inotify.Subscribe (konq_cache_dir, OnInotifyEvent, Inotify.EventType.CloseWrite);
}
/////////////////////////////////////////////
private void OnInotifyEvent (int wd,
string path,
string subitem,
string srcpath,
Inotify.EventType type)
{
if (wd != monodoc_wd)
return;
if (subitem == "")
return;
if (Path.GetExtension (subitem) != ".zip")
return;
string full_path = Path.Combine (path, subitem);
switch (type) {
case Inotify.EventType.CloseWrite:
case Inotify.EventType.CreateFile:
IndexArchive (new FileInfo (full_path), Scheduler.Priority.Delayed);
break;
}
}
/////////////////////////////////////////////////
// Modified/Created event using Inotify
private void OnInotifyEvent (Inotify.Watch watch,
string path,
string subitem,
string srcpath,
Inotify.EventType type)
{
if (subitem == "" || !subitem.EndsWith (".xml"))
return;
if ((type & Inotify.EventType.CloseWrite) != 0)
IndexSingleFeed (Path.Combine (path, subitem), false);
else if ((type & Inotify.EventType.Delete) != 0)
RemoveFeedFile (Path.Combine (path, subitem));
}
private void OnInotify (Inotify.Watch watch,
string path, string subitem, string srcpath,
Inotify.EventType type)
{
long offset = 0;
path = Path.Combine (path, subitem);
if (ThisScheduler.ContainsByTag (path)) {
Log.Debug ("Not adding task for already running task: {0}", path);
return;
}
lock (initial_log_files) {
if (initial_log_files.Contains (path)) {
Log.Debug ("{0} is already scheduled for initial indexing", path);
return;
}
}
if (session_offset_table.ContainsKey (path))
offset = session_offset_table [path];
SessionIndexableGenerator generator = new SessionIndexableGenerator (this, path, offset);
Scheduler.Task task = NewAddTask (generator);
task.Tag = path;
task.Source = this;
ThisScheduler.Add (task);
}
/////////////////////////////////////////////////
// Modified/Created event using Inotify
private void OnInotifyEvent (Inotify.Watch watch,
string path,
string subitem,
string srcpath,
Inotify.EventType type)
{
// someone reported that backup files with abcd~
// were being generated
if (subitem == "" || subitem.EndsWith ("~"))
return;
if ((type & Inotify.EventType.CloseWrite) != 0)
IndexSingleFeed (Path.Combine (path, subitem));
else if ((type & Inotify.EventType.Delete) != 0)
Removefeed_file (Path.Combine (path, subitem));
}
private void OnInotifyNewConversation (Inotify.Watch watch,
string path, string subitem, string srcpath,
Inotify.EventType type)
{
if (subitem.Length == 0 || (type & Inotify.EventType.IsDirectory) != 0)
return;
if (FileIsInteresting (subitem))
IndexLog (Path.Combine (path, subitem), Scheduler.Priority.Immediate);
}
private void OnInotifyNewRemote (Inotify.Watch watch,
string path, string subitem, string srcpath,
Inotify.EventType type)
{
if (subitem.Length == 0 || (type & Inotify.EventType.IsDirectory) == 0)
return;
CrawlRemoteDirectory (Path.Combine (path, subitem), true);
}
private void OnInotifyEvent (Inotify.Watch watch,
string path,
string subitem,
string srcpath,
Inotify.EventType type)
{
if (subitem == null)
return;
string full_path = Path.Combine (path, subitem);
// If prefs.js is deleted... then we have nothing at all to index
if (((type & Inotify.EventType.MovedTo) != 0 && srcpath == Path.Combine (path, "prefs.js")) ||
((type & Inotify.EventType.Delete) != 0 && subitem == "prefs.js")) {
foreach (TB.Account account in account_list)
RemoveAccount (account);
return;
}
// Update in case an account was removed or added
// Thunderbird saves prefs.js with a different name and then replacing the old one
// by "moving" it over the existing prefs.js. That's why MoveTo is used as inotfy type.
if ((((type & Inotify.EventType.Modify) != 0 || (type & Inotify.EventType.MovedTo) != 0 ||
(type & Inotify.EventType.Create) != 0) && subitem == "prefs.js")) {
UpdateAccounts (path);
return;
}
// In case the address book file have been moved or deleted, we have to stop indexing it
if (((type & Inotify.EventType.MovedTo) != 0 && srcpath == Path.Combine (path, "abook.mab")) ||
((type & Inotify.EventType.Delete) != 0 && subitem == "abook.mab")) {
TB.Account account = GetParentAccount (full_path);
if (account != null)
RemoveAccount (account);
return;
}
// In case of a newly created addressbook, the current address book is modified or an old
// address book is moved to where the address book can be found: either start indexing
// or restart an already indexing IndeaxbleGenerator.
if ((((type & Inotify.EventType.Modify) != 0 || (type & Inotify.EventType.MovedTo) != 0 ||
(type & Inotify.EventType.Create) != 0) && subitem == "abook.mab")) {
TB.Account account = GetParentAccount (full_path);
if (account == null && File.Exists (full_path)) {
UpdateAccounts (path);
return;
} else if (account == null)
return;
// Tell any running indexable about this or start a new one
if (queryable.ThisScheduler.ContainsByTag (full_path))
OnNotification (new NotificationEventArgs (NotificationType.RestartIndexing, account));
else
IndexFile (full_path);
return;
}
// Re-index files when needed
if ((type & Inotify.EventType.Modify) != 0) {
TB.Account account = GetParentAccount (full_path);
if (account == null || !Thunderbird.IsMorkFile (path, subitem))
return;
// In case we have a running IndexableGenerator, tell it that we have a file that needs to
// be re-indexed.
if (queryable.ThisScheduler.ContainsByTag (full_path))
OnNotification (new NotificationEventArgs (NotificationType.RestartIndexing, account));
else
IndexFile (full_path);
return;
}
// Index newly created directories
if ((type & Inotify.EventType.Create) != 0 && (type & Inotify.EventType.IsDirectory) != 0) {
if (GetParentAccount (full_path) != null && Inotify.Enabled)
Inotify.Subscribe (full_path, OnInotifyEvent, Inotify.EventType.All);
return;
}
}
/////////////////////////////////////////////////
// Modified event using Inotify
private void OnInotifyEvent (Inotify.Watch watch,
string path,
string subitem,
string srcpath,
Inotify.EventType type)
{
if (subitem != blam_file.Name)
return;
Index ();
}
/////////////////////////////////////////////////
// Modified/Created/Deleted event using Inotify
private void OnInotifyEvent (Inotify.Watch watch,
string path,
string subitem,
string srcpath,
Inotify.EventType type)
{
if (subitem == "")
return;
if (Path.GetExtension (subitem) != ".note")
return;
if ((type & Inotify.EventType.MovedTo) != 0) {
IndexNote (new FileInfo (Path.Combine (path, subitem)), Scheduler.Priority.Immediate);
}
if ((type & Inotify.EventType.MovedFrom) != 0 ||
((type & Inotify.EventType.Delete) != 0 &&
(type & Inotify.EventType.IsDirectory) == 0))
RemoveNote (subitem);
}
private void OnInotifyEvent (
Inotify.Watch watch,
string path,
string subitem,
string srcpath,
Inotify.EventType type)
{
// Stop watching if we were deleted
if ((type & Inotify.EventType.DeleteSelf) != 0) {
watch.Unsubscribe ();
return;
}
// We want a directory
if ((type & Inotify.EventType.IsDirectory) == 0)
return;
// We are only watching one directory, so we only have to check for ToIndex
// as subitem
if (subitem != "ToIndex")
return;
// We only have to watch for creation of the ToIndex directory here, so that
// the indexing process can be started. The Indexer will automatically clean
// up if the ToIndex diretory is deleted (we still display a status message
// here though)
if ((type & Inotify.EventType.Create) != 0)
ExceptionHandlingThread.Start (new ThreadStart (StartWorker));
else if ((type & Inotify.EventType.Delete) != 0)
Logger.Log.Debug ("Stopping the Thunderbird indexing process; ToIndex disappeared");
}
private void OnInotifyEvent (Inotify.Watch watch,
string path,
string subitem,
string srcpath,
Inotify.EventType type)
{
if (subitem == "")
return;
string fullPath = Path.Combine (path, subitem);
if ((type & Inotify.EventType.Create) != 0 && (type & Inotify.EventType.IsDirectory) != 0) {
CrawlLaunchers (fullPath);
return;
}
if ((type & Inotify.EventType.Modify) != 0) {
IndexLauncher (new FileInfo (fullPath), Scheduler.Priority.Immediate);
return;
}
}
private static void OnInotifyEvent (Inotify.Watch watch, string path, string subitem, string srcpath, Inotify.EventType type)
{
if (subitem == "" || watching_for_updates == false)
return;
Reload ();
}
/**
* inotify callback
*/
private void OnInotifyEvent (Inotify.Watch watch,
string path,
string subitem,
string srcpath,
Inotify.EventType type)
{
if (subitem == "")
return;
string fullPath = Path.Combine (path, subitem);
// we need to watch for all kinds of events - this is tricky
// Case: new file is created
// - if it is one of the folder_directories, index it
// - if is in one of the mail_directories, index it if it is an mbox file
if ((type & Inotify.EventType.Create) != 0 && (type & Inotify.EventType.IsDirectory) == 0) {
if (IsMailDir (path)) {
Indexable indexable = MaildirMessageToIndexable (fullPath, false);
AddIndexableTask (indexable, fullPath);
} else {
// add mbox file to mbox_files
string mbox = GetMboxFile (path, subitem);
if (mbox != null) {
mbox_files.Add (mbox);
IndexMbox (mbox, true);
}
}
return;
}
// Case: file is deleted
// - if it is a mail file, we might like it to be deleted
if ((type & Inotify.EventType.MovedFrom) != 0 ||
((type & Inotify.EventType.Delete) != 0 &&
(type & Inotify.EventType.IsDirectory) == 0)) {
if (IsMailDir (path))
RemoveMail (fullPath);
else if (mbox_files.Contains (fullPath)) {
RemoveMbox (fullPath);
mbox_files.Remove (fullPath);
}
return;
}
// Case: file is moved
// - files are moved from tmp/new to cur
// - need to delete from the source
if ((type & Inotify.EventType.MovedTo) != 0 && (type & Inotify.EventType.IsDirectory) == 0) {
if (IsMailDir (path)) {
Indexable indexable = MaildirMessageToIndexable (fullPath, false);
AddIndexableTask (indexable, fullPath);
}
if (IsMailDir (srcpath))
RemoveMail (srcpath);
if (mbox_files.Contains (fullPath)) {
// check if this because of compaction, in which case need to delete previous mbox
if (srcpath != null && srcpath.EndsWith ("." + subitem + ".compacted"))
RemoveMbox (fullPath);
// FIXME need to ensure IndexMbox is scheduled *after* RemoveMbox finishes
// RemoveMbox creates a job with immediate priority while
// IndexMbox creates a job with the default priority of a generator
// Is there a better way to ensure the order ?
IndexMbox (fullPath, true);
}
return;
}
// Case: file is modified i.e. there was no create event but closewrite event
// - possibly some mbox was changed
// FIXME kmail doesnt physically delete the deleted mails from mbox files unless compacted
// - which means one has to read the .index files to find deleted messages...
// - need to find the format of the .index/.index.ids etc files and parse them
if ((type & Inotify.EventType.Modify) != 0 && (type & Inotify.EventType.IsDirectory) == 0) {
if (mbox_files.Contains (fullPath))
IndexMbox (fullPath, false);
return;
}
// Case: a directory is created:
// well watch it anyway but also make sure its a maildir directory
// if it a maildir directory, then add it to maildir_dirs
if ((type & Inotify.EventType.Create) != 0 && (type & Inotify.EventType.IsDirectory) != 0) {
if (!IgnoreFolder (fullPath)) {
Watch (fullPath);
UpdateDirectories(fullPath);
}
return;
}
// Case: if a directory is deleted:
// remove watch
if ((type & Inotify.EventType.Delete) != 0 && (type & Inotify.EventType.IsDirectory) != 0) {
watch.Unsubscribe ();
mail_directories.Remove (fullPath);
folder_directories.Remove (fullPath);
return;
}
// Case: directory is moved
// FIXME: implement renaming of mail folders
}
/////////////////////////////////////////////////
// Modified event using Inotify
private void OnInotifyEvent (Inotify.Watch watch,
string path,
string subitem,
string srcpath,
Inotify.EventType type)
{
if (Path.Combine (path, subitem) != knotes_file)
return;
Index ();
}
/////////////////////////////////////////////////
private void OnInotifyEvent (Inotify.Watch watch,
string path,
string subitem,
string srcpath,
Inotify.EventType type)
{
if (subitem == "")
return;
if (Path.GetExtension (subitem) != ".xml")
return;
// We're only handling MovedTo events here.
string file = Path.Combine (path, subitem);
DateTime last_checked = DateTime.MinValue;
FileAttributes attr;
attr = FileAttributesStore.Read (file);
if (attr != null)
last_checked = attr.LastWriteTime;
foreach (NautilusTools.NautilusMetadata nm in NautilusTools.GetMetadata (file, last_checked)) {
Indexable indexable = GetIndexable (nm);
Scheduler.Task task;
task = this.target_queryable.NewAddTask (indexable);
task.Priority = Scheduler.Priority.Immediate;
ThisScheduler.Add (task);
}
}
private void OnInotifyEvent (Inotify.Watch watch,
string path,
string subitem,
string srcpath,
Inotify.EventType type)
{
if (subitem == "")
return;
if (subitem[0] == '.') {
string data_file = Path.Combine (path, subitem.Substring (1));
lock (pending_files) {
if (File.Exists (data_file) && ! pending_files.Contains (data_file)) {
pending_files.Add (data_file);
IndexFile (new FileInfo (data_file));
}
}
} else {
string meta_file = Path.Combine (path, "." + subitem);
string data_file = Path.Combine (path, subitem);
lock (pending_files) {
if (File.Exists (meta_file) && ! pending_files.Contains (data_file)) {
pending_files.Add (data_file);
IndexFile (new FileInfo (data_file));
}
}
}
}
