|
5 | 5 | # If this fails, the test will be skipped. |
6 | 6 | thread = support.import_module('_thread') |
7 | 7 |
|
8 | | -import asyncore, asynchat, socket, threading, time |
| 8 | +import asyncore, asynchat, socket, time |
9 | 9 | import unittest |
10 | 10 | import sys |
| 11 | +try: |
| 12 | + import threading |
| 13 | +except ImportError: |
| 14 | + threading = None |
11 | 15 |
|
12 | 16 | HOST = support.HOST |
13 | 17 | SERVER_QUIT = b'QUIT\n' |
14 | 18 |
|
15 | | -class echo_server(threading.Thread): |
16 | | - # parameter to determine the number of bytes passed back to the |
17 | | - # client each send |
18 | | - chunk_size = 1 |
19 | | - |
20 | | - def __init__(self, event): |
21 | | - threading.Thread.__init__(self) |
22 | | - self.event = event |
23 | | - self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) |
24 | | - self.port = support.bind_port(self.sock) |
25 | | - # This will be set if the client wants us to wait before echoing data |
26 | | - # back. |
27 | | - self.start_resend_event = None |
28 | | - |
29 | | - def run(self): |
30 | | - self.sock.listen(1) |
31 | | - self.event.set() |
32 | | - conn, client = self.sock.accept() |
33 | | - self.buffer = b"" |
34 | | - # collect data until quit message is seen |
35 | | - while SERVER_QUIT not in self.buffer: |
36 | | - data = conn.recv(1) |
37 | | - if not data: |
38 | | - break |
39 | | - self.buffer = self.buffer + data |
40 | | - |
41 | | - # remove the SERVER_QUIT message |
42 | | - self.buffer = self.buffer.replace(SERVER_QUIT, b'') |
43 | | - |
44 | | - if self.start_resend_event: |
45 | | - self.start_resend_event.wait() |
46 | | - |
47 | | - # re-send entire set of collected data |
48 | | - try: |
49 | | - # this may fail on some tests, such as test_close_when_done, since |
50 | | - # the client closes the channel when it's done sending |
51 | | - while self.buffer: |
52 | | - n = conn.send(self.buffer[:self.chunk_size]) |
53 | | - time.sleep(0.001) |
54 | | - self.buffer = self.buffer[n:] |
55 | | - except: |
56 | | - pass |
57 | | - |
58 | | - conn.close() |
59 | | - self.sock.close() |
60 | | - |
61 | | -class echo_client(asynchat.async_chat): |
62 | | - |
63 | | - def __init__(self, terminator, server_port): |
64 | | - asynchat.async_chat.__init__(self) |
65 | | - self.contents = [] |
66 | | - self.create_socket(socket.AF_INET, socket.SOCK_STREAM) |
67 | | - self.connect((HOST, server_port)) |
68 | | - self.set_terminator(terminator) |
69 | | - self.buffer = b"" |
70 | | - |
71 | | - def handle_connect(self): |
72 | | - pass |
73 | | - |
74 | | - if sys.platform == 'darwin': |
75 | | - # select.poll returns a select.POLLHUP at the end of the tests |
76 | | - # on darwin, so just ignore it |
77 | | - def handle_expt(self): |
78 | | - pass |
79 | | - |
80 | | - def collect_incoming_data(self, data): |
81 | | - self.buffer += data |
82 | | - |
83 | | - def found_terminator(self): |
84 | | - self.contents.append(self.buffer) |
85 | | - self.buffer = b"" |
86 | | - |
87 | | - |
88 | | -def start_echo_server(): |
89 | | - event = threading.Event() |
90 | | - s = echo_server(event) |
91 | | - s.start() |
92 | | - event.wait() |
93 | | - event.clear() |
94 | | - time.sleep(0.01) # Give server time to start accepting. |
95 | | - return s, event |
| 19 | +if threading: |
| 20 | + class echo_server(threading.Thread): |
| 21 | + # parameter to determine the number of bytes passed back to the |
| 22 | + # client each send |
| 23 | + chunk_size = 1 |
| 24 | + |
| 25 | + def __init__(self, event): |
| 26 | + threading.Thread.__init__(self) |
| 27 | + self.event = event |
| 28 | + self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) |
| 29 | + self.port = support.bind_port(self.sock) |
| 30 | + # This will be set if the client wants us to wait before echoing data |
| 31 | + # back. |
| 32 | + self.start_resend_event = None |
| 33 | + |
| 34 | + def run(self): |
| 35 | + self.sock.listen(1) |
| 36 | + self.event.set() |
| 37 | + conn, client = self.sock.accept() |
| 38 | + self.buffer = b"" |
| 39 | + # collect data until quit message is seen |
| 40 | + while SERVER_QUIT not in self.buffer: |
| 41 | + data = conn.recv(1) |
| 42 | + if not data: |
| 43 | + break |
| 44 | + self.buffer = self.buffer + data |
| 45 | + |
| 46 | + # remove the SERVER_QUIT message |
| 47 | + self.buffer = self.buffer.replace(SERVER_QUIT, b'') |
| 48 | + |
| 49 | + if self.start_resend_event: |
| 50 | + self.start_resend_event.wait() |
| 51 | + |
| 52 | + # re-send entire set of collected data |
| 53 | + try: |
| 54 | + # this may fail on some tests, such as test_close_when_done, since |
| 55 | + # the client closes the channel when it's done sending |
| 56 | + while self.buffer: |
| 57 | + n = conn.send(self.buffer[:self.chunk_size]) |
| 58 | + time.sleep(0.001) |
| 59 | + self.buffer = self.buffer[n:] |
| 60 | + except: |
| 61 | + pass |
| 62 | + |
| 63 | + conn.close() |
| 64 | + self.sock.close() |
| 65 | + |
| 66 | + class echo_client(asynchat.async_chat): |
| 67 | + |
| 68 | + def __init__(self, terminator, server_port): |
| 69 | + asynchat.async_chat.__init__(self) |
| 70 | + self.contents = [] |
| 71 | + self.create_socket(socket.AF_INET, socket.SOCK_STREAM) |
| 72 | + self.connect((HOST, server_port)) |
| 73 | + self.set_terminator(terminator) |
| 74 | + self.buffer = b"" |
| 75 | + |
| 76 | + def handle_connect(self): |
| 77 | + pass |
| 78 | + |
| 79 | + if sys.platform == 'darwin': |
| 80 | + # select.poll returns a select.POLLHUP at the end of the tests |
| 81 | + # on darwin, so just ignore it |
| 82 | + def handle_expt(self): |
| 83 | + pass |
| 84 | + |
| 85 | + def collect_incoming_data(self, data): |
| 86 | + self.buffer += data |
| 87 | + |
| 88 | + def found_terminator(self): |
| 89 | + self.contents.append(self.buffer) |
| 90 | + self.buffer = b"" |
| 91 | + |
| 92 | + def start_echo_server(): |
| 93 | + event = threading.Event() |
| 94 | + s = echo_server(event) |
| 95 | + s.start() |
| 96 | + event.wait() |
| 97 | + event.clear() |
| 98 | + time.sleep(0.01) # Give server time to start accepting. |
| 99 | + return s, event |
96 | 100 |
|
97 | 101 |
|
| 102 | +@unittest.skipUnless(threading, 'Threading required for this test.') |
98 | 103 | class TestAsynchat(unittest.TestCase): |
99 | 104 | usepoll = False |
100 | 105 |
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