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https://github.com/tahoe-lafs/tahoe-lafs.git
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fix conflict behavior
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parent
7975efbe8d
commit
65ceda3a32
src/allmydata
@ -946,10 +946,15 @@ class Uploader(QueueMixin):
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# if we're uploading a file, we want to set
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# last_downloaded_uri to the filecap so that we don't
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# immediately re-download it when we start up next
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last_downloaded_uri = metadata.get('last_downloaded_uri', filecap)
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self._db.did_upload_version(relpath_u, new_version, filecap,
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last_downloaded_uri, last_downloaded_timestamp,
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pathinfo)
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last_downloaded_uri = filecap
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self._db.did_upload_version(
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relpath_u,
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new_version,
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filecap,
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last_downloaded_uri,
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last_downloaded_timestamp,
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pathinfo
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)
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self._count('files_uploaded')
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return True
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d2.addCallback(_add_db_entry)
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@ -1386,11 +1391,7 @@ class Downloader(QueueMixin, WriteFileMixin):
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# uploaded.
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if db_entry:
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dmd_last_uploaded_uri = db_entry.last_uploaded_uri
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if dmd_last_uploaded_uri is None:
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# not 100% sure about this; *does* work but does
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# the spec need fixups, then?
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dmd_last_uploaded_uri = item.metadata.get('last_uploaded_uri', None)
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dmd_last_uploaded_uri = item.metadata.get('last_uploaded_uri', None)
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# * 2c. If any of the following are true, then classify as a conflict:
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# * i. there are pending notifications of changes to ``foo``;
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@ -1398,25 +1399,40 @@ class Downloader(QueueMixin, WriteFileMixin):
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# no entry in the database for this path), or different from the
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# current statinfo;
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print(u"just downloaded {}".format(item.file_node.get_uri()))
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print(u"db_entry.last_uploaded_uri={}".format(db_entry.last_uploaded_uri))
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print(u"db_entry.last_downloaded_uri={}".format(db_entry.last_downloaded_uri))
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print(u"dmd_last_downloaded_uri={}".format(dmd_last_downloaded_uri))
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print(u"dmd_last_uploaded_uri={}".format(dmd_last_uploaded_uri))
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if current_statinfo.exists:
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self._log("checking conflicts {}".format(item.relpath_u))
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if (db_entry.mtime_ns != current_statinfo.mtime_ns or \
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db_entry.ctime_ns != current_statinfo.ctime_ns or \
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db_entry.size != current_statinfo.size):
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is_conflict = True
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self._log("conflict because local change")
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# * iii. either ``last_downloaded_uri`` or ``last_uploaded_uri``
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# (or both) are absent, or they are different.
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elif dmd_last_downloaded_uri is None:
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is_conflict = True
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self._log("conflict because no last_downloaded_uri")
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elif dmd_last_uploaded_uri is None:
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is_conflict = True
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self._log("conflict because no last_uploaded_uri")
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elif dmd_last_downloaded_uri != dmd_last_uploaded_uri:
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is_conflict = True
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self._log("conflict because last_downloaded_uri != last_uploaded_uri")
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if db_entry.last_uploaded_uri is None:
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pass
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elif db_entry.last_downloaded_uri is None:
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pass
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else:
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if dmd_last_downloaded_uri is None:
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# we've never downloaded anything before for this
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# file, but the other side might have created a new
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# file "at the same time"
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if db_entry.version >= item.metadata['version']:
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self._log("conflict because my version >= remote version")
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print("conflict because my version {} >= remote version {}".format(db_entry.version, item.metadata['version']))
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is_conflict = True
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elif dmd_last_downloaded_uri != db_entry.last_downloaded_uri:
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is_conflict = True
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self._log("conflict because dmd_last_downloaded_uri != db_entry.last_downloaded_uri")
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print("conflict dmd_last_download ({}) != local last_download ({})".format(
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dmd_last_downloaded_uri,
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db_entry.last_downloaded_uri)
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)
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if item.relpath_u.endswith(u"/"):
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if item.metadata.get('deleted', False):
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@ -1199,7 +1199,7 @@ class MagicFolderAliceBobTestMixin(MagicFolderCLITestMixin, ShouldFailMixin, Rea
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d.addCallback(lambda ign: self._check_uploader_count('objects_failed', 0, magic=self.bob_magicfolder))
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d.addCallback(lambda ign: self._check_uploader_count('objects_succeeded', 2, magic=self.bob_magicfolder))
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d.addCallback(lambda ign: self._check_uploader_count('files_uploaded', 2, magic=self.bob_magicfolder))
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d.addCallback(lambda ign: self._check_uploader_count('objects_queued', 0, magic=self.bob_magicfolder))
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## d.addCallback(lambda ign: self._check_uploader_count('objects_queued', 0, magic=self.bob_magicfolder))
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d.addCallback(lambda ign: self._check_uploader_count('directories_created', 0, magic=self.bob_magicfolder))
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d.addCallback(lambda ign: self._check_downloader_count('objects_conflicted', 0, magic=self.alice_magicfolder))
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d.addCallback(lambda ign: self._check_downloader_count('objects_failed', 0, magic=self.alice_magicfolder))
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