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fix conflict behavior

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This commit is contained in:
meejah 2018-04-20 14:57:17 -06:00
parent 7975efbe8d
commit 65ceda3a32
2 changed files with 38 additions and 22 deletions
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58
src/allmydata/frontends/magic_folder.py
View File

@ -946,10 +946,15 @@ class Uploader(QueueMixin):
# if we're uploading a file, we want to set # if we're uploading a file, we want to set
# last_downloaded_uri to the filecap so that we don't # last_downloaded_uri to the filecap so that we don't
# immediately re-download it when we start up next # immediately re-download it when we start up next
last_downloaded_uri = metadata.get('last_downloaded_uri', filecap) last_downloaded_uri = filecap
self._db.did_upload_version(relpath_u, new_version, filecap, self._db.did_upload_version(
last_downloaded_uri, last_downloaded_timestamp, relpath_u,
pathinfo) new_version,
filecap,
last_downloaded_uri,
last_downloaded_timestamp,
pathinfo
)
self._count('files_uploaded') self._count('files_uploaded')
return True return True
d2.addCallback(_add_db_entry) d2.addCallback(_add_db_entry)
@ -1386,11 +1391,7 @@ class Downloader(QueueMixin, WriteFileMixin):
# uploaded. # uploaded.
if db_entry: if db_entry:
dmd_last_uploaded_uri = db_entry.last_uploaded_uri dmd_last_uploaded_uri = item.metadata.get('last_uploaded_uri', None)
if dmd_last_uploaded_uri is None:
# not 100% sure about this; *does* work but does
# the spec need fixups, then?
dmd_last_uploaded_uri = item.metadata.get('last_uploaded_uri', None)
# * 2c. If any of the following are true, then classify as a conflict: # * 2c. If any of the following are true, then classify as a conflict:
# * i. there are pending notifications of changes to ``foo``; # * i. there are pending notifications of changes to ``foo``;
@ -1398,25 +1399,40 @@ class Downloader(QueueMixin, WriteFileMixin):
# no entry in the database for this path), or different from the # no entry in the database for this path), or different from the
# current statinfo; # current statinfo;
print(u"just downloaded {}".format(item.file_node.get_uri()))
print(u"db_entry.last_uploaded_uri={}".format(db_entry.last_uploaded_uri))
print(u"db_entry.last_downloaded_uri={}".format(db_entry.last_downloaded_uri))
print(u"dmd_last_downloaded_uri={}".format(dmd_last_downloaded_uri))
print(u"dmd_last_uploaded_uri={}".format(dmd_last_uploaded_uri))
if current_statinfo.exists: if current_statinfo.exists:
self._log("checking conflicts {}".format(item.relpath_u))
if (db_entry.mtime_ns != current_statinfo.mtime_ns or \ if (db_entry.mtime_ns != current_statinfo.mtime_ns or \
db_entry.ctime_ns != current_statinfo.ctime_ns or \ db_entry.ctime_ns != current_statinfo.ctime_ns or \
db_entry.size != current_statinfo.size): db_entry.size != current_statinfo.size):
is_conflict = True is_conflict = True
self._log("conflict because local change") self._log("conflict because local change")
# * iii. either ``last_downloaded_uri`` or ``last_uploaded_uri`` if db_entry.last_uploaded_uri is None:
# (or both) are absent, or they are different. pass
elif db_entry.last_downloaded_uri is None:
elif dmd_last_downloaded_uri is None: pass
is_conflict = True else:
self._log("conflict because no last_downloaded_uri") if dmd_last_downloaded_uri is None:
elif dmd_last_uploaded_uri is None: # we've never downloaded anything before for this
is_conflict = True # file, but the other side might have created a new
self._log("conflict because no last_uploaded_uri") # file "at the same time"
elif dmd_last_downloaded_uri != dmd_last_uploaded_uri: if db_entry.version >= item.metadata['version']:
is_conflict = True self._log("conflict because my version >= remote version")
self._log("conflict because last_downloaded_uri != last_uploaded_uri") print("conflict because my version {} >= remote version {}".format(db_entry.version, item.metadata['version']))
is_conflict = True
elif dmd_last_downloaded_uri != db_entry.last_downloaded_uri:
is_conflict = True
self._log("conflict because dmd_last_downloaded_uri != db_entry.last_downloaded_uri")
print("conflict dmd_last_download ({}) != local last_download ({})".format(
dmd_last_downloaded_uri,
db_entry.last_downloaded_uri)
)
if item.relpath_u.endswith(u"/"): if item.relpath_u.endswith(u"/"):
if item.metadata.get('deleted', False): if item.metadata.get('deleted', False):

2
src/allmydata/test/test_magic_folder.py
View File

@ -1199,7 +1199,7 @@ class MagicFolderAliceBobTestMixin(MagicFolderCLITestMixin, ShouldFailMixin, Rea
d.addCallback(lambda ign: self._check_uploader_count('objects_failed', 0, magic=self.bob_magicfolder)) d.addCallback(lambda ign: self._check_uploader_count('objects_failed', 0, magic=self.bob_magicfolder))
d.addCallback(lambda ign: self._check_uploader_count('objects_succeeded', 2, magic=self.bob_magicfolder)) d.addCallback(lambda ign: self._check_uploader_count('objects_succeeded', 2, magic=self.bob_magicfolder))
d.addCallback(lambda ign: self._check_uploader_count('files_uploaded', 2, magic=self.bob_magicfolder)) d.addCallback(lambda ign: self._check_uploader_count('files_uploaded', 2, magic=self.bob_magicfolder))
d.addCallback(lambda ign: self._check_uploader_count('objects_queued', 0, magic=self.bob_magicfolder)) ## d.addCallback(lambda ign: self._check_uploader_count('objects_queued', 0, magic=self.bob_magicfolder))
d.addCallback(lambda ign: self._check_uploader_count('directories_created', 0, magic=self.bob_magicfolder)) d.addCallback(lambda ign: self._check_uploader_count('directories_created', 0, magic=self.bob_magicfolder))
d.addCallback(lambda ign: self._check_downloader_count('objects_conflicted', 0, magic=self.alice_magicfolder)) d.addCallback(lambda ign: self._check_downloader_count('objects_conflicted', 0, magic=self.alice_magicfolder))
d.addCallback(lambda ign: self._check_downloader_count('objects_failed', 0, magic=self.alice_magicfolder)) d.addCallback(lambda ign: self._check_downloader_count('objects_failed', 0, magic=self.alice_magicfolder))