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Detect remote conflict by checking for pending upload.

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Author: David Stainton <david@leastauthority.com>
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
This commit is contained in:
Daira Hopwood 2015-11-03 22:23:14 +00:00 committed by Brian Warner
parent c7f38a496d
commit e8b6b31373
1 changed files with 14 additions and 2 deletions
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16
src/allmydata/frontends/magic_folder.py
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@ -65,7 +65,8 @@ class MagicFolder(service.MultiService):
collective_dirnode = self._client.create_node_from_uri(collective_dircap)
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.downloader = Downloader(client, local_path_u, db, collective_dirnode,
upload_dirnode.get_readonly_uri(), clock, self.uploader.is_pending)
def startService(self):
# TODO: why is this being called more than once?
@ -265,6 +266,9 @@ class Uploader(QueueMixin):
return d
def is_pending(relpath_u):
return relpath_u in self._pending
def _notify(self, opaque, path, events_mask):
self._log("inotify event %r, %r, %r\n" % (opaque, path, ', '.join(self._inotify.humanReadableMask(events_mask))))
relpath_u = self._get_relpath(path)
@ -509,7 +513,8 @@ class WriteFileMixin(object):
class Downloader(QueueMixin, WriteFileMixin):
REMOTE_SCAN_INTERVAL = 3 # facilitates tests
def __init__(self, client, local_path_u, db, collective_dirnode, upload_readonly_dircap, clock):
def __init__(self, client, local_path_u, db, collective_dirnode,
upload_readonly_dircap, clock, is_upload_pending):
QueueMixin.__init__(self, client, local_path_u, db, 'downloader', clock)
if not IDirectoryNode.providedBy(collective_dirnode):
@ -521,6 +526,7 @@ class Downloader(QueueMixin, WriteFileMixin):
self._collective_dirnode = collective_dirnode
self._upload_readonly_dircap = upload_readonly_dircap
self._is_upload_pending = is_upload_pending
self._turn_delay = self.REMOTE_SCAN_INTERVAL
@ -714,6 +720,12 @@ class Downloader(QueueMixin, WriteFileMixin):
if dmd_last_uploaded_uri != local_last_uploaded_uri:
is_conflict = True
self._count('objects_conflicted')
else:
# XXX todo: mark as conflict if file is in pending upload set
if self._is_upload_pending(relpath_u):
is_conflict = True
self._count('objects_conflicted')
if relpath_u.endswith(u"/"):
if metadata.get('deleted', False):
self._log("rmdir(%r) ignored" % (abspath_u,))