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Try to avoid going into negative client count

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The root cause for negative has not been determined,
however reduce the hypothetical exposure to the issue
in the hopes of filtering out extraneous problems.
This commit is contained in:
Jarrod Johnson 2015-02-27 12:10:24 -05:00
parent 57e39a31c5
commit 5137f1881a
1 changed files with 10 additions and 2 deletions
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12
confluent_server/confluent/consoleserver.py
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@ -319,6 +319,11 @@ class _ConsoleHandler(object):
edata = self.users[username]
else:
edata = 2
if edata < 0:
_tracelog.log('client count negative' + traceback.format_exc(),
ltype=log.DataTypes.event,
event=log.Events.stacktrace)
edata = 0
self.log(
logdata=username, ltype=log.DataTypes.event,
event=log.Events.clientdisconnect, eventdata=edata)
@ -456,6 +461,7 @@ class ConsoleSession(object):
def __init__(self, node, configmanager, username, datacallback=None,
skipreplay=False):
self.registered = False
self.tenant = configmanager.tenant
if not configmanager.is_node(node):
raise exc.NotFoundException("Invalid node")
@ -463,6 +469,7 @@ class ConsoleSession(object):
self.ckey = consk
self.username = username
connect_node(node, configmanager)
self.registered = True
_handled_consoles[consk].attachuser(username)
self._evt = None
self.node = node
@ -494,8 +501,9 @@ class ConsoleSession(object):
self.conshdl.reopen()
def destroy(self):
_handled_consoles[self.ckey].detachuser(self.username)
_handled_consoles[self.ckey].unregister_rcpt(self.reghdl)
if self.registered:
_handled_consoles[self.ckey].detachuser(self.username)
_handled_consoles[self.ckey].unregister_rcpt(self.reghdl)
self.databuffer = None
self._evt = None
self.reghdl = None