from allmydata.immutable.upload import FileName, Data
from allmydata import magicfolderdb, magicpath
-
+defer.setDebugging(True)
IN_EXCL_UNLINK = 0x04000000L
def get_inotify_module():
class MagicFolder(service.MultiService):
name = 'magic-folder'
- def __init__(self, client, upload_dircap, collective_dircap, local_path_u, dbfile,
+ def __init__(self, client, upload_dircap, collective_dircap, local_path_u, dbfile, umask,
pending_delay=1.0, clock=None):
precondition_abspath(local_path_u)
self.uploader = Uploader(client, local_path_u, db, upload_dirnode, pending_delay, clock, immediate)
self.downloader = Downloader(client, local_path_u, db, collective_dirnode,
- upload_dirnode.get_readonly_uri(), clock, self.uploader.is_pending)
+ upload_dirnode.get_readonly_uri(), clock, self.uploader.is_pending, umask)
def startService(self):
# TODO: why is this being called more than once?
"""ready is used to signal us to start
processing the upload and download items...
"""
- d = self.uploader.start_scanning()
- d2 = self.downloader.start_scanning()
- d.addCallback(lambda ign: d2)
- return d
+ self.uploader.start_uploading() # synchronous
+ return self.downloader.start_downloading()
def finish(self):
print "finish"
#open("events", "ab+").write(msg)
def _turn_deque(self):
- self._log("_turn_deque")
- if self._stopped:
- self._log("stopped")
- return
try:
- item = self._deque.pop()
- self._log("popped %r" % (item,))
- self._count('objects_queued', -1)
- except IndexError:
- self._log("deque is now empty")
- self._lazy_tail.addCallback(lambda ign: self._when_queue_is_empty())
- else:
- self._lazy_tail.addCallback(lambda ign: self._process(item))
- self._lazy_tail.addBoth(self._call_hook, 'processed')
- self._lazy_tail.addErrback(log.err)
- self._lazy_tail.addCallback(lambda ign: task.deferLater(self._clock, self._turn_delay, self._turn_deque))
+ self._log("_turn_deque")
+ if self._stopped:
+ self._log("stopped")
+ return
+ try:
+ item = self._deque.pop()
+ self._log("popped %r" % (item,))
+ self._count('objects_queued', -1)
+ except IndexError:
+ self._log("deque is now empty")
+ self._lazy_tail.addBoth(self._logcb, "whawhat empty")
+ self._lazy_tail.addCallback(lambda ign: self._when_queue_is_empty())
+ self._lazy_tail.addBoth(self._logcb, "got past _when_queue_is_empty")
+ else:
+ self._log("_turn_deque else clause")
+ self._lazy_tail.addBoth(self._logcb, "whawhat else %r" % (item,))
+ self._lazy_tail.addCallback(lambda ign: self._process(item))
+ self._lazy_tail.addBoth(self._logcb, "got past _process")
+ self._lazy_tail.addBoth(self._call_hook, 'processed', async=True)
+ self._lazy_tail.addBoth(self._logcb, "got past _call_hook (turn_delay = %r)" % (self._turn_delay,))
+ self._lazy_tail.addCallback(lambda ign: task.deferLater(self._clock, self._turn_delay, self._turn_deque))
+ self._lazy_tail.addBoth(self._logcb, "got past deferLater")
+ except Exception as e:
+ self._log("---- turn deque exception %s" % (e,))
+ raise
class Uploader(QueueMixin):
self._upload_dirnode = upload_dirnode
self._inotify = get_inotify_module()
self._notifier = self._inotify.INotify()
- self._pending = set()
+ self._pending = set() # of unicode relpaths
+
+ self._periodic_full_scan_duration = 10 * 60 # perform a full scan every 10 minutes
if hasattr(self._notifier, 'set_pending_delay'):
self._notifier.set_pending_delay(pending_delay)
self._log("stop")
self._notifier.stopReading()
self._count('dirs_monitored', -1)
+ self.periodic_callid.cancel()
if hasattr(self._notifier, 'wait_until_stopped'):
d = self._notifier.wait_until_stopped()
else:
d.addCallback(lambda ign: self._lazy_tail)
return d
- def start_scanning(self):
- self._log("start_scanning")
+ def start_uploading(self):
+ self._log("start_uploading")
self.is_ready = True
- self._pending = self._db.get_all_relpaths()
- self._log("all_files %r" % (self._pending))
- d = self._scan(u"")
- def _add_pending(ign):
- # This adds all of the files that were in the db but not already processed
- # (normally because they have been deleted on disk).
- self._log("adding %r" % (self._pending))
- self._deque.extend(self._pending)
- d.addCallback(_add_pending)
- d.addCallback(lambda ign: self._turn_deque())
- return d
+
+ all_relpaths = self._db.get_all_relpaths()
+ self._log("all relpaths: %r" % (all_relpaths,))
+
+ for relpath_u in all_relpaths:
+ self._add_pending(relpath_u)
+
+ self._full_scan()
+
+ def _extend_queue_and_keep_going(self, relpaths_u):
+ self._log("_extend_queue_and_keep_going %r" % (relpaths_u,))
+ self._deque.extend(relpaths_u)
+ self._count('objects_queued', len(relpaths_u))
+
+ if self.is_ready:
+ if self._immediate: # for tests
+ self._turn_deque()
+ else:
+ self._clock.callLater(0, self._turn_deque)
+
+ def _full_scan(self):
+ self.periodic_callid = self._clock.callLater(self._periodic_full_scan_duration, self._full_scan)
+ print "FULL SCAN"
+ self._log("_pending %r" % (self._pending))
+ self._scan(u"")
+ self._extend_queue_and_keep_going(self._pending)
+
+ def _add_pending(self, relpath_u):
+ self._log("add pending %r" % (relpath_u,))
+ if not magicpath.should_ignore_file(relpath_u):
+ self._pending.add(relpath_u)
def _scan(self, reldir_u):
+ # Scan a directory by (synchronously) adding the paths of all its children to self._pending.
+ # Note that this doesn't add them to the deque -- that will
+
self._log("scan %r" % (reldir_u,))
fp = self._get_filepath(reldir_u)
try:
raise Exception("WARNING: magic folder: could not list directory %s due to a filename encoding error"
% quote_filepath(fp))
- d = defer.succeed(None)
for child in children:
_assert(isinstance(child, unicode), child=child)
- d.addCallback(lambda ign, child=child:
- ("%s/%s" % (reldir_u, child) if reldir_u else child))
- def _add_pending(relpath_u):
- if magicpath.should_ignore_file(relpath_u):
- return None
-
- self._pending.add(relpath_u)
- return relpath_u
- d.addCallback(_add_pending)
- # This call to _process doesn't go through the deque, and probably should.
- d.addCallback(self._process)
- d.addBoth(self._call_hook, 'processed')
- d.addErrback(log.err)
-
- return d
+ self._add_pending("%s/%s" % (reldir_u, child) if reldir_u != u"" else child)
def is_pending(self, relpath_u):
return relpath_u in self._pending
self._log("ignoring event for %r (creation of non-directory)\n" % (relpath_u,))
return
if relpath_u in self._pending:
- self._log("ignoring event for %r (already pending)" % (relpath_u,))
+ self._log("not queueing %r because it is already pending" % (relpath_u,))
return
if magicpath.should_ignore_file(relpath_u):
self._log("ignoring event for %r (ignorable path)" % (relpath_u,))
return
- self._log("appending %r to deque" % (relpath_u,))
- self._deque.append(relpath_u)
self._pending.add(relpath_u)
- self._count('objects_queued')
- if self.is_ready:
- if self._immediate: # for tests
- self._turn_deque()
- else:
- self._clock.callLater(0, self._turn_deque)
+ self._extend_queue_and_keep_going([relpath_u])
def _when_queue_is_empty(self):
return defer.succeed(None)
d = defer.succeed(None)
- def _maybe_upload(val, now=None):
+ def _maybe_upload(ign, now=None):
+ self._log("_maybe_upload: relpath_u=%r, now=%r" % (relpath_u, now))
if now is None:
now = time.time()
fp = self._get_filepath(relpath_u)
self.warn("WARNING: cannot upload symlink %s" % quote_filepath(fp))
return None
elif pathinfo.isdir:
+ print "ISDIR "
if not getattr(self._notifier, 'recursive_includes_new_subdirectories', False):
self._notifier.watch(fp, mask=self.mask, callbacks=[self._notify], recursive=True)
encoded_path_u += magicpath.path2magic(u"/")
self._log("encoded_path_u = %r" % (encoded_path_u,))
upload_d = self._upload_dirnode.add_file(encoded_path_u, uploadable, metadata={"version":0}, overwrite=True)
- def _succeeded(ign):
+ def _dir_succeeded(ign):
self._log("created subdirectory %r" % (relpath_u,))
self._count('directories_created')
- def _failed(f):
+ def _dir_failed(f):
self._log("failed to create subdirectory %r" % (relpath_u,))
return f
- upload_d.addCallbacks(_succeeded, _failed)
+ upload_d.addCallbacks(_dir_succeeded, _dir_failed)
upload_d.addCallback(lambda ign: self._scan(relpath_u))
+ upload_d.addCallback(lambda ign: self._extend_queue_and_keep_going(self._pending))
return upload_d
elif pathinfo.isfile:
db_entry = self._db.get_db_entry(relpath_u)
# ensure parent directory exists
head, tail = os.path.split(abspath_u)
- mode = 0777 # XXX
- fileutil.make_dirs(head, mode)
- fileutil.write(replacement_path_u, file_contents)
+ old_mask = os.umask(self._umask)
+ try:
+ fileutil.make_dirs(head, (~ self._umask) & 0777)
+ fileutil.write(replacement_path_u, file_contents)
+ finally:
+ os.umask(old_mask)
+
os.utime(replacement_path_u, (now, now - self.FUDGE_SECONDS))
if is_conflict:
print "0x00 ------------ <><> is conflict; calling _rename_conflicted_file... %r %r" % (abspath_u, replacement_path_u)
REMOTE_SCAN_INTERVAL = 3 # facilitates tests
def __init__(self, client, local_path_u, db, collective_dirnode,
- upload_readonly_dircap, clock, is_upload_pending):
+ upload_readonly_dircap, clock, is_upload_pending, umask):
QueueMixin.__init__(self, client, local_path_u, db, 'downloader', clock)
if not IDirectoryNode.providedBy(collective_dirnode):
self._collective_dirnode = collective_dirnode
self._upload_readonly_dircap = upload_readonly_dircap
self._is_upload_pending = is_upload_pending
+ self._umask = umask
- self._turn_delay = self.REMOTE_SCAN_INTERVAL
-
- def start_scanning(self):
- self._log("start_scanning")
+ def start_downloading(self):
+ self._log("start_downloading")
files = self._db.get_all_relpaths()
self._log("all files %s" % files)
return d
def stop(self):
+ self._log("stop")
self._stopped = True
d = defer.succeed(None)
d.addCallback(lambda ign: self._lazy_tail)
self._deque.append( (relpath_u, file_node, metadata) )
else:
self._log("Excluding %r" % (relpath_u,))
- self._count('objects_excluded')
- self._call_hook(None, 'processed')
+ self._call_hook(None, 'processed', async=True)
self._log("deque after = %r" % (self._deque,))
d.addCallback(_filter_batch_to_deque)
return d
def _when_queue_is_empty(self):
- d = task.deferLater(self._clock, self._turn_delay, self._scan_remote_collective)
+ d = task.deferLater(self._clock, self.REMOTE_SCAN_INTERVAL, self._scan_remote_collective)
d.addBoth(self._logcb, "after _scan_remote_collective 1")
d.addCallback(lambda ign: self._turn_deque())
return d