Commit b8210d58 authored by Julien Muchembled's avatar Julien Muchembled

Remove HIDDEN node state

parent f051b7a0
......@@ -38,7 +38,7 @@
- Clarify handler methods to call when a connection is accepted from a
listening conenction and when remote node is identified
(cf. neo/lib/bootstrap.py).
- Review PENDING/HIDDEN/SHUTDOWN states, don't use notifyNodeInformation()
- Review PENDING/SHUTDOWN states, don't use notifyNodeInformation()
to do a state-switch, use a exception-based mechanism ? (CODE)
- Review handler split (CODE)
The current handler split is the result of small incremental changes. A
......
......@@ -124,7 +124,6 @@ def NodeStates():
TEMPORARILY_DOWN
DOWN
BROKEN
HIDDEN
PENDING
UNKNOWN
......@@ -153,7 +152,6 @@ node_state_prefix_dict = {
NodeStates.TEMPORARILY_DOWN: 'T',
NodeStates.DOWN: 'D',
NodeStates.BROKEN: 'B',
NodeStates.HIDDEN: 'H',
NodeStates.PENDING: 'P',
NodeStates.UNKNOWN: 'U',
}
......
......@@ -28,8 +28,7 @@ from neo.lib.util import dump
from neo.lib.bootstrap import BootstrapManager
from .checker import Checker
from .database import buildDatabaseManager
from .handlers import identification, initialization
from .handlers import master, hidden
from .handlers import identification, initialization, master
from .replicator import Replicator
from .transactions import TransactionManager
......@@ -170,10 +169,6 @@ class Application(BaseApplication):
if self.master_node is None:
# look for the primary master
self.connectToPrimary()
# check my state
node = self.nm.getByUUID(self.uuid)
if node is not None and node.isHidden():
self.wait()
self.checker = Checker(self)
self.replicator = Replicator(self)
self.tm = TransactionManager(self)
......@@ -273,20 +268,6 @@ class Application(BaseApplication):
if state == ClusterStates.STOPPING_BACKUP:
self.replicator.stop()
def wait(self):
# change handler
logging.info("waiting in hidden state")
_poll = self._poll
handler = hidden.HiddenHandler(self)
for conn in self.em.getConnectionList():
conn.setHandler(handler)
node = self.nm.getByUUID(self.uuid)
while True:
_poll()
if not node.isHidden():
break
def newTask(self, iterator):
try:
iterator.next()
......
......@@ -60,8 +60,6 @@ class BaseMasterHandler(BaseHandler):
NodeStates.BROKEN, NodeStates.UNKNOWN):
erase = state == NodeStates.DOWN
self.app.shutdown(erase=erase)
elif state == NodeStates.HIDDEN:
raise StoppedOperation
elif node_type == NodeTypes.CLIENT and state != NodeStates.RUNNING:
logging.info('Notified of non-running client, abort (%s)',
uuid_str(uuid))
......
#
# Copyright (C) 2006-2017 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, see <http://www.gnu.org/licenses/>.
from . import BaseMasterHandler
from neo.lib import logging
from neo.lib.protocol import CellStates
class HiddenHandler(BaseMasterHandler):
"""This class implements a generic part of the event handlers."""
def notifyPartitionChanges(self, conn, ptid, cell_list):
"""This is very similar to Send Partition Table, except that
the information is only about changes from the previous."""
app = self.app
if ptid <= app.pt.getID():
# Ignore this packet.
logging.debug('ignoring older partition changes')
return
# update partition table in memory and the database
app.pt.update(ptid, cell_list, app.nm)
app.dm.changePartitionTable(ptid, cell_list)
# Check changes for replications
for offset, uuid, state in cell_list:
if uuid == app.uuid and app.replicator is not None:
# If this is for myself, this can affect replications.
if state == CellStates.DISCARDED:
app.replicator.removePartition(offset)
elif state == CellStates.OUT_OF_DATE:
app.replicator.addPartition(offset)
def startOperation(self, conn):
self.app.operational = True
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