def test_the_same_order_as_in_NodeInBox_after_vc_continued(pre_vc_strategy):
replica = pre_vc_strategy.replica
pre_vc_strategy.view_changer.view_no = 1
m1 = (InstanceChange(3, 25), "Beta")
m2 = (InstanceChange(3, 25), "Gamma")
pre_vc_strategy.stashedNodeInBox.append(m1)
pre_vc_strategy.stashedNodeInBox.append(m2)
assert len(pre_vc_strategy.node.nodeInBox) == 0
pre_vc_strategy.on_view_change_continued(replica, ViewChangeContinueMessage(2))
assert len(pre_vc_strategy.node.nodeInBox) > 0
assert pre_vc_strategy.node.nodeInBox.popleft() == m1
assert pre_vc_strategy.node.nodeInBox.popleft() == m2
async def on_view_change_started(node, msg: ViewChangeStartMessage, frm):
strategy = node.view_changer.pre_vc_strategy
proposed_view_no = msg.proposed_view_no
if proposed_view_no > node.view_changer.view_no:
vcc_msg = ViewChangeContinueMessage(proposed_view_no)
quota = Quota(
count=node.config.EXTENDED_QUOTA_MULTIPLIER_BEFORE_VC * node.quota_control.node_quota.count,
size=node.config.EXTENDED_QUOTA_MULTIPLIER_BEFORE_VC * node.quota_control.node_quota.size)
await node.nodestack.service(limit=None,
quota=quota)
strategy.stashedNodeInBox = await VCStartMsgStrategy._process_node_inbox_3PC(node)
node.master_replica.inBox.append(vcc_msg)
async def on_view_change_started(node, msg: ViewChangeStartMessage, frm):
strategy = node.view_changer.pre_vc_strategy
proposed_view_no = msg.proposed_view_no
logger.info(
"VCStartMsgStrategy: got ViewChangeStartMessage with proposed_view_no: {}"
.format(proposed_view_no))
if proposed_view_no > node.view_changer.view_no:
vcc_msg = ViewChangeContinueMessage(proposed_view_no)
quota = Quota(
count=node.config.EXTENDED_QUOTA_MULTIPLIER_BEFORE_VC *
node.quota_control.node_quota.count,
size=node.config.EXTENDED_QUOTA_MULTIPLIER_BEFORE_VC *
node.quota_control.node_quota.size)
msgs_count = await node.nodestack.service(limit=None, quota=quota)
logger.info(
"VCStartMsgStrategy: Got {} messages from nodestack".format(
msgs_count))
strategy.stashedNodeInBox = await VCStartMsgStrategy._process_node_inbox_3PC(
node)
logger.info(
"VCStartMsgStrategy: {} not 3PC msgs was stashed".format(
len(strategy.stashedNodeInBox)))
node.master_replica.inBox.append(vcc_msg)
def test_is_preparing_to_False_after_vc_continue(pre_vc_strategy):
replica = pre_vc_strategy.replica
pre_vc_strategy.is_preparing = True
pre_vc_strategy.on_view_change_continued(replica, ViewChangeContinueMessage(2))
assert pre_vc_strategy.is_preparing == False