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
|
# distbuild/timer_event_source.py -- event source for timer events
#
# Copyright (C) 2012, 2014 Codethink Limited
#
# 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; version 2 of the License.
#
# 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..
import time
class Timer(object):
pass
class TimerEventSource(object):
def __init__(self, interval):
self.interval = interval
self.last_event = time.time()
self.enabled = False
def start(self):
self.enabled = True
self.last_event = time.time()
def stop(self):
self.enabled = False
def get_select_params(self):
if self.enabled:
next_event = self.last_event + self.interval
timeout = next_event - time.time()
return [], [], [], max(0, timeout)
else:
return [], [], [], None
def get_events(self, r, w, x):
if self.enabled:
now = time.time()
if now >= self.last_event + self.interval:
self.last_event = now
return [Timer()]
return []
def is_finished(self):
return False
|
