1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
#
# Copyright (C) 2006-2010 Nexedi SA
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
from neo.storage.handlers import BaseClientAndStorageOperationHandler
from neo.protocol import Packets
class StorageOperationHandler(BaseClientAndStorageOperationHandler):
def _askObject(self, oid, serial, tid):
return self.app.dm.getObject(oid, serial, tid, resolve_data=False)
def askLastIDs(self, conn):
app = self.app
oid = app.dm.getLastOID()
tid = app.dm.getLastTID()
conn.answer(Packets.AnswerLastIDs(oid, tid, app.pt.getID()))
def askTIDsFrom(self, conn, min_tid, max_tid, length, partition_list):
assert len(partition_list) == 1, partition_list
partition = partition_list[0]
app = self.app
tid_list = app.dm.getReplicationTIDList(min_tid, max_tid, length,
app.pt.getPartitions(), partition)
conn.answer(Packets.AnswerTIDsFrom(tid_list))
def askObjectHistoryFrom(self, conn, min_oid, min_serial, max_serial,
length, partition):
app = self.app
object_dict = app.dm.getObjectHistoryFrom(min_oid, min_serial, max_serial,
length, app.pt.getPartitions(), partition)
conn.answer(Packets.AnswerObjectHistoryFrom(object_dict))
def askCheckTIDRange(self, conn, min_tid, max_tid, length, partition):
app = self.app
count, tid_checksum, max_tid = app.dm.checkTIDRange(min_tid, max_tid,
length, app.pt.getPartitions(), partition)
conn.answer(Packets.AnswerCheckTIDRange(min_tid, length,
count, tid_checksum, max_tid))
def askCheckSerialRange(self, conn, min_oid, min_serial, max_tid, length,
partition):
app = self.app
count, oid_checksum, max_oid, serial_checksum, max_serial = \
app.dm.checkSerialRange(min_oid, min_serial, max_tid, length,
app.pt.getPartitions(), partition)
conn.answer(Packets.AnswerCheckSerialRange(min_oid, min_serial, length,
count, oid_checksum, max_oid, serial_checksum, max_serial))