def _merge_change(self, s, mid, head): lstate = self.socket[s][Request][mid] lstate['head'] = head self.socket[s][UpdateInfo]['head'] = head if self.co.lcrepo.has_key(head): named, modified, added, deleted = \ handles_in_branch(self.co, lstate['heads'], [head], None) self._update_checks(s, mid, named, modified) self._update_handle_list(s, lstate, named, modified, added, deleted) self._update_finish(s, lstate) self.socket[s][UpdateInfo]['head'] = head self.rs.doneflag.set() return 1 rid = self._get_change(s, head) self.socket[s][Request][rid] = { 'request': 'get change', 'changenum': head, 'ref': mid } lstate['requests'][head] = 1 lstate['count'] = 1 return 0
def _commit_phase_1(self, s, mid): request = self.socket[s][Response][mid] txn = request['txn'] head = request['cur head'] # if this change is already committed then we have nothing to do if self.branchmapdb.has_key(request['head']) and is_ancestor( self, request['head'], head, None): request['no phase 2'] = 1 return sync_history(self, request['head'], txn, cache=request['changes']) if self.config.getboolean('control', 'backup'): if not is_ancestor(self, request['cur head'], request['head'], txn): raise HistoryError, 'not an incremental backup' point = request['head'] while point != rootnode: if point == request['cur head']: break pinfo = bdecode(self.lcrepo.get(point, txn=txn)) if not clean_merge_point(pinfo): raise HistoryError, 'not an incremental backup' point = pinfo['precursors'][0] modified = handles_in_branch(self, [head], [request['head']], txn)[1] unlocked = self._lock_files(s, mid, modified) # bump the reference count by the locks we don't have request['count'] += len(unlocked) # mark all the diff requests which have to wait until we get the lock request['diff queue'] = {} for handle in unlocked: if request['diffs'].has_key(handle): request['diff queue'][handle] = 1 # request all the related file diffs for handle, changes in request['diffs'].items(): if request['diff queue'].has_key(handle): request['diff queue'][handle] = changes.keys() continue requested = 0 for change in changes.keys(): requested = 1 self._queue_diff(s, change, handle, mid) request['count'] += requested self._get_diff(s, mid) # denote the merge checks we have to do later rmodified = request['modified'] = {} for handle in modified: rmodified[handle] = 0
def _commit_phase_1(self, s, mid): request = self.socket[s][Response][mid] txn = request['txn'] head = request['cur head'] # if this change is already committed then we have nothing to do if self.branchmapdb.has_key(request['head']) and is_ancestor(self, request['head'], head, None): request['no phase 2'] = 1 return sync_history(self, request['head'], txn, cache=request['changes']) if self.config.getboolean('control', 'backup'): if not is_ancestor(self, request['cur head'], request['head'], txn): raise HistoryError, 'not an incremental backup' point = request['head'] while point != rootnode: if point == request['cur head']: break pinfo = bdecode(self.lcrepo.get(point, txn=txn)) if not clean_merge_point(pinfo): raise HistoryError, 'not an incremental backup' point = pinfo['precursors'][0] modified = handles_in_branch(self, [head], [request['head']], txn)[1] unlocked = self._lock_files(s, mid, modified) # bump the reference count by the locks we don't have request['count'] += len(unlocked) # mark all the diff requests which have to wait until we get the lock request['diff queue'] = {} for handle in unlocked: if request['diffs'].has_key(handle): request['diff queue'][handle] = 1 # request all the related file diffs for handle, changes in request['diffs'].items(): if request['diff queue'].has_key(handle): request['diff queue'][handle] = changes.keys() continue requested = 0 for change in changes.keys(): requested = 1 self._queue_diff(s, change, handle, mid) request['count'] += requested self._get_diff(s, mid) # denote the merge checks we have to do later rmodified = request['modified'] = {} for handle in modified: rmodified[handle] = 0
def _merge_change(self, s, mid, head): lstate = self.socket[s][Request][mid] lstate['head'] = head self.socket[s][UpdateInfo]['head'] = head if self.co.lcrepo.has_key(head): named, modified, added, deleted = \ handles_in_branch(self.co, lstate['heads'], [head], None) self._update_checks(s, mid, named, modified) self._update_handle_list(s, lstate, named, modified, added, deleted) self._update_finish(s, lstate) self.socket[s][UpdateInfo]['head'] = head self.rs.doneflag.set() return 1 rid = self._get_change(s, head) self.socket[s][Request][rid] = {'request': 'get change', 'changenum': head, 'ref': mid} lstate['requests'][head] = 1 lstate['count'] = 1 return 0
def _response_get_change(self, s, mid, msg, rstate): lstate = self.socket[s][Request][rstate['ref']] if sha.new(msg['changeset']).digest() != rstate['changenum']: raise ServerError, 'bad changeset' # write it out, decode and eject from memory write_changeset(self.co, rstate['changenum'], msg['changeset'], lstate['txn']) changeset = bdecode(msg['changeset']) lstate['changes'][rstate['changenum']] = changeset del msg['changeset'] # get any precursors we don't have and haven't yet requested for change in changeset['precursors']: if self.co.lcrepo.has_key(change): continue if lstate['changes'].has_key(change): continue if lstate['requests'].has_key(change): continue rid = self._get_change(s, change) self.socket[s][Request][rid] = {'request': 'get change', 'changenum': change, 'ref': rstate['ref']} lstate['requests'][change] = 1 lstate['count'] += 1 # record all the diffs we'll need to request diffs = lstate['diffs'] for handle, hinfo in changeset['handles'].items(): if not hinfo.has_key('hash'): continue if not diffs.has_key(handle): diffs[handle] = {} lstate['counts'][handle] = 0 diffs[handle][rstate['changenum']] = 1 lstate['counts'][handle] += 1 # clean up state del lstate['requests'][rstate['changenum']] lstate['count'] -= 1 if lstate['count'] == 0: sync_history(self.co, lstate['head'], lstate['txn'], cache=lstate['changes']) named, modified, added, deleted = \ handles_in_branch(self.co, lstate['heads'], [lstate['head']], lstate['txn'], cache=lstate['changes']) del lstate['changes'] self._update_checks(s, rstate['ref'], named, modified) self._update_handle_list(s, lstate, named, modified, added, deleted) handle_list = lstate['handle list'] # get all the related file diffs for i in xrange(len(handle_list)-1, -1, -1): handle = handle_list[i][1] if not diffs.has_key(handle): continue changes = diffs[handle] requested = 0 for change in changes.keys(): requested = 1 self._queue_diff(s, change, handle, rstate['ref']) lstate['count'] += requested self._get_diff(s, rstate['ref']) if lstate['count'] == 0: self._update_finish(s, lstate) del self.socket[s][Request][rstate['ref']] self.rs.doneflag.set() return 1
def _response_get_change(self, s, mid, msg, rstate): lstate = self.socket[s][Request][rstate['ref']] if sha.new(msg['changeset']).digest() != rstate['changenum']: raise ServerError, 'bad changeset' # write it out, decode and eject from memory write_changeset(self.co, rstate['changenum'], msg['changeset'], lstate['txn']) changeset = bdecode(msg['changeset']) lstate['changes'][rstate['changenum']] = changeset del msg['changeset'] # get any precursors we don't have and haven't yet requested for change in changeset['precursors']: if self.co.lcrepo.has_key(change): continue if lstate['changes'].has_key(change): continue if lstate['requests'].has_key(change): continue rid = self._get_change(s, change) self.socket[s][Request][rid] = { 'request': 'get change', 'changenum': change, 'ref': rstate['ref'] } lstate['requests'][change] = 1 lstate['count'] += 1 # record all the diffs we'll need to request diffs = lstate['diffs'] for handle, hinfo in changeset['handles'].items(): if not hinfo.has_key('hash'): continue if not diffs.has_key(handle): diffs[handle] = {} lstate['counts'][handle] = 0 diffs[handle][rstate['changenum']] = 1 lstate['counts'][handle] += 1 # clean up state del lstate['requests'][rstate['changenum']] lstate['count'] -= 1 if lstate['count'] == 0: sync_history(self.co, lstate['head'], lstate['txn'], cache=lstate['changes']) named, modified, added, deleted = \ handles_in_branch(self.co, lstate['heads'], [lstate['head']], lstate['txn'], cache=lstate['changes']) del lstate['changes'] self._update_checks(s, rstate['ref'], named, modified) self._update_handle_list(s, lstate, named, modified, added, deleted) handle_list = lstate['handle list'] # get all the related file diffs for i in xrange(len(handle_list) - 1, -1, -1): handle = handle_list[i][1] if not diffs.has_key(handle): continue changes = diffs[handle] requested = 0 for change in changes.keys(): requested = 1 self._queue_diff(s, change, handle, rstate['ref']) lstate['count'] += requested self._get_diff(s, rstate['ref']) if lstate['count'] == 0: self._update_finish(s, lstate) del self.socket[s][Request][rstate['ref']] self.rs.doneflag.set() return 1