]>
git.ipfire.org Git - oddments/cappie.git/blob - cappie/queue.py
2 ###############################################################################
5 # Copyright (C) 2010 Michael Tremer #
7 # This program is free software: you can redistribute it and/or modify #
8 # it under the terms of the GNU General Public License as published by #
9 # the Free Software Foundation, either version 3 of the License, or #
10 # (at your option) any later version. #
12 # This program is distributed in the hope that it will be useful, #
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of #
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
15 # GNU General Public License for more details. #
17 # You should have received a copy of the GNU General Public License #
18 # along with this program. If not, see <http://www.gnu.org/licenses/>. #
20 ###############################################################################
24 from threading
import Thread
26 from database
import Database
34 def __init__(self
, log
):
42 self
.db
= Database(log
)
49 if self
.length
> self
.maxitems
:
50 raise QueueFullError
, "Cannot queue new event."
52 self
.__queue
.append(event
)
56 return len(self
.__queue
)
59 self
.log
.debug("Started event queue")
63 while self
.__running
or self
.__queue
:
65 #self.log.debug("Queue sleeping for %s seconds" % self.heartbeat)
66 time
.sleep(self
.heartbeat
)
71 event
= self
.__queue
.pop(0)
72 self
.log
.debug("Processing queue event: %s" % event
)
75 except EventException
, e
:
76 self
.log
.error("Catched event exception: %s" % e
)
81 self
.__running
= False
82 self
.log
.debug("Shutting down queue")
83 self
.log
.debug("%d events in queue left" % len(self
.__queue
))
85 # Wait until queue handled all events
89 if not self
.lastgc
or self
.lastgc
<= (time
.time() - DB_GC_INTERVAL
):
90 self
.add(EventGarbageCollector(self
.db
, self
.log
))
91 self
.lastgc
= time
.time()