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
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
|
"""
Tests for kqueue wrapper.
"""
import socket
import errno
import time
import select
import sys
import unittest
from test import support
if not hasattr(select, "kqueue"):
raise unittest.SkipTest("test works only on BSD")
class TestKQueue(unittest.TestCase):
def test_create_queue(self):
kq = select.kqueue()
self.assertTrue(kq.fileno() > 0, kq.fileno())
self.assertTrue(not kq.closed)
kq.close()
self.assertTrue(kq.closed)
self.assertRaises(ValueError, kq.fileno)
def test_create_event(self):
from operator import lt, le, gt, ge
fd = sys.stderr.fileno()
ev = select.kevent(fd)
other = select.kevent(1000)
self.assertEqual(ev.ident, fd)
self.assertEqual(ev.filter, select.KQ_FILTER_READ)
self.assertEqual(ev.flags, select.KQ_EV_ADD)
self.assertEqual(ev.fflags, 0)
self.assertEqual(ev.data, 0)
self.assertEqual(ev.udata, 0)
self.assertEqual(ev, ev)
self.assertNotEqual(ev, other)
self.assertTrue(ev < other)
self.assertTrue(other >= ev)
for op in lt, le, gt, ge:
self.assertRaises(TypeError, op, ev, None)
self.assertRaises(TypeError, op, ev, 1)
self.assertRaises(TypeError, op, ev, "ev")
ev = select.kevent(fd, select.KQ_FILTER_WRITE)
self.assertEqual(ev.ident, fd)
self.assertEqual(ev.filter, select.KQ_FILTER_WRITE)
self.assertEqual(ev.flags, select.KQ_EV_ADD)
self.assertEqual(ev.fflags, 0)
self.assertEqual(ev.data, 0)
self.assertEqual(ev.udata, 0)
self.assertEqual(ev, ev)
self.assertNotEqual(ev, other)
ev = select.kevent(fd, select.KQ_FILTER_WRITE, select.KQ_EV_ONESHOT)
self.assertEqual(ev.ident, fd)
self.assertEqual(ev.filter, select.KQ_FILTER_WRITE)
self.assertEqual(ev.flags, select.KQ_EV_ONESHOT)
self.assertEqual(ev.fflags, 0)
self.assertEqual(ev.data, 0)
self.assertEqual(ev.udata, 0)
self.assertEqual(ev, ev)
self.assertNotEqual(ev, other)
ev = select.kevent(1, 2, 3, 4, 5, 6)
self.assertEqual(ev.ident, 1)
self.assertEqual(ev.filter, 2)
self.assertEqual(ev.flags, 3)
self.assertEqual(ev.fflags, 4)
self.assertEqual(ev.data, 5)
self.assertEqual(ev.udata, 6)
self.assertEqual(ev, ev)
self.assertNotEqual(ev, other)
def test_queue_event(self):
serverSocket = socket.socket()
serverSocket.bind(('127.0.0.1', 0))
serverSocket.listen(1)
client = socket.socket()
client.setblocking(False)
try:
client.connect(('127.0.0.1', serverSocket.getsockname()[1]))
except socket.error as e:
self.assertEqual(e.args[0], errno.EINPROGRESS)
else:
#raise AssertionError("Connect should have raised EINPROGRESS")
pass # FreeBSD doesn't raise an exception here
server, addr = serverSocket.accept()
if sys.platform.startswith("darwin"):
flags = select.KQ_EV_ADD | select.KQ_EV_ENABLE
else:
flags = 0
kq = select.kqueue()
kq2 = select.kqueue.fromfd(kq.fileno())
ev = select.kevent(server.fileno(),
select.KQ_FILTER_WRITE,
select.KQ_EV_ADD | select.KQ_EV_ENABLE)
kq.control([ev], 0)
ev = select.kevent(server.fileno(),
select.KQ_FILTER_READ,
select.KQ_EV_ADD | select.KQ_EV_ENABLE)
kq.control([ev], 0)
ev = select.kevent(client.fileno(),
select.KQ_FILTER_WRITE,
select.KQ_EV_ADD | select.KQ_EV_ENABLE)
kq2.control([ev], 0)
ev = select.kevent(client.fileno(),
select.KQ_FILTER_READ,
select.KQ_EV_ADD | select.KQ_EV_ENABLE)
kq2.control([ev], 0)
events = kq.control(None, 4, 1)
events = [(e.ident, e.filter, e.flags) for e in events]
events.sort()
self.assertEqual(events, [
(client.fileno(), select.KQ_FILTER_WRITE, flags),
(server.fileno(), select.KQ_FILTER_WRITE, flags)])
client.send(b"Hello!")
server.send(b"world!!!")
# We may need to call it several times
for i in range(10):
events = kq.control(None, 4, 1)
if len(events) == 4:
break
time.sleep(1.0)
else:
self.fail('timeout waiting for event notifications')
events = [(e.ident, e.filter, e.flags) for e in events]
events.sort()
self.assertEqual(events, [
(client.fileno(), select.KQ_FILTER_WRITE, flags),
(client.fileno(), select.KQ_FILTER_READ, flags),
(server.fileno(), select.KQ_FILTER_WRITE, flags),
(server.fileno(), select.KQ_FILTER_READ, flags)])
# Remove completely client, and server read part
ev = select.kevent(client.fileno(),
select.KQ_FILTER_WRITE,
select.KQ_EV_DELETE)
kq.control([ev], 0)
ev = select.kevent(client.fileno(),
select.KQ_FILTER_READ,
select.KQ_EV_DELETE)
kq.control([ev], 0)
ev = select.kevent(server.fileno(),
select.KQ_FILTER_READ,
select.KQ_EV_DELETE)
kq.control([ev], 0, 0)
events = kq.control([], 4, 0.99)
events = [(e.ident, e.filter, e.flags) for e in events]
events.sort()
self.assertEqual(events, [
(server.fileno(), select.KQ_FILTER_WRITE, flags)])
client.close()
server.close()
serverSocket.close()
def testPair(self):
kq = select.kqueue()
a, b = socket.socketpair()
a.send(b'foo')
event1 = select.kevent(a, select.KQ_FILTER_READ, select.KQ_EV_ADD | select.KQ_EV_ENABLE)
event2 = select.kevent(b, select.KQ_FILTER_READ, select.KQ_EV_ADD | select.KQ_EV_ENABLE)
r = kq.control([event1, event2], 1, 1)
self.assertTrue(r)
self.assertFalse(r[0].flags & select.KQ_EV_ERROR)
self.assertEqual(b.recv(r[0].data), b'foo')
a.close()
b.close()
kq.close()
def test_main():
support.run_unittest(TestKQueue)
if __name__ == "__main__":
test_main()
|
