Python test.support.SOCK_MAX_SIZE Examples
The following are 10
code examples of test.support.SOCK_MAX_SIZE().
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Example #1
| Source File: test_socket.py From Fluid-Designer with GNU General Public License v3.0 | 6 votes |
|
def _testWriteNonBlocking(self):
self.serv_skipped = None
self.serv_conn.setblocking(False)
# Try to saturate the socket buffer pipe with repeated large writes.
BIG = b"x" * support.SOCK_MAX_SIZE
LIMIT = 10
# The first write() succeeds since a chunk of data can be buffered
n = self.write_file.write(BIG)
self.assertGreater(n, 0)
for i in range(LIMIT):
n = self.write_file.write(BIG)
if n is None:
# Succeeded
break
self.assertGreater(n, 0)
else:
# Let us know that this test didn't manage to establish
# the expected conditions. This is not a failure in itself but,
# if it happens repeatedly, the test should be fixed.
self.serv_skipped = "failed to saturate the socket buffer"
Example #2
| Source File: test_socket.py From ironpython3 with Apache License 2.0 | 6 votes |
|
def _testWriteNonBlocking(self):
self.serv_skipped = None
self.serv_conn.setblocking(False)
# Try to saturate the socket buffer pipe with repeated large writes.
BIG = b"x" * support.SOCK_MAX_SIZE
LIMIT = 10
# The first write() succeeds since a chunk of data can be buffered
n = self.write_file.write(BIG)
self.assertGreater(n, 0)
for i in range(LIMIT):
n = self.write_file.write(BIG)
if n is None:
# Succeeded
break
self.assertGreater(n, 0)
else:
# Let us know that this test didn't manage to establish
# the expected conditions. This is not a failure in itself but,
# if it happens repeatedly, the test should be fixed.
self.serv_skipped = "failed to saturate the socket buffer"
Example #3
| Source File: test_socket.py From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 | 6 votes |
|
def _testWriteNonBlocking(self):
self.serv_skipped = None
self.serv_conn.setblocking(False)
# Try to saturate the socket buffer pipe with repeated large writes.
BIG = b"x" * support.SOCK_MAX_SIZE
LIMIT = 10
# The first write() succeeds since a chunk of data can be buffered
n = self.write_file.write(BIG)
self.assertGreater(n, 0)
for i in range(LIMIT):
n = self.write_file.write(BIG)
if n is None:
# Succeeded
break
self.assertGreater(n, 0)
else:
# Let us know that this test didn't manage to establish
# the expected conditions. This is not a failure in itself but,
# if it happens repeatedly, the test should be fixed.
self.serv_skipped = "failed to saturate the socket buffer"
Example #4
| Source File: test_socket.py From Fluid-Designer with GNU General Public License v3.0 | 5 votes |
|
def check_sendall_interrupted(self, with_timeout):
# socketpair() is not stricly required, but it makes things easier.
if not hasattr(signal, 'alarm') or not hasattr(socket, 'socketpair'):
self.skipTest("signal.alarm and socket.socketpair required for this test")
# Our signal handlers clobber the C errno by calling a math function
# with an invalid domain value.
def ok_handler(*args):
self.assertRaises(ValueError, math.acosh, 0)
def raising_handler(*args):
self.assertRaises(ValueError, math.acosh, 0)
1 // 0
c, s = socket.socketpair()
old_alarm = signal.signal(signal.SIGALRM, raising_handler)
try:
if with_timeout:
# Just above the one second minimum for signal.alarm
c.settimeout(1.5)
with self.assertRaises(ZeroDivisionError):
signal.alarm(1)
c.sendall(b"x" * support.SOCK_MAX_SIZE)
if with_timeout:
signal.signal(signal.SIGALRM, ok_handler)
signal.alarm(1)
self.assertRaises(socket.timeout, c.sendall,
b"x" * support.SOCK_MAX_SIZE)
finally:
signal.alarm(0)
signal.signal(signal.SIGALRM, old_alarm)
c.close()
s.close()
Example #5
| Source File: test_socket.py From ironpython3 with Apache License 2.0 | 5 votes |
|
def check_sendall_interrupted(self, with_timeout):
# socketpair() is not stricly required, but it makes things easier.
if not hasattr(signal, 'alarm') or not hasattr(socket, 'socketpair'):
self.skipTest("signal.alarm and socket.socketpair required for this test")
# Our signal handlers clobber the C errno by calling a math function
# with an invalid domain value.
def ok_handler(*args):
self.assertRaises(ValueError, math.acosh, 0)
def raising_handler(*args):
self.assertRaises(ValueError, math.acosh, 0)
1 // 0
c, s = socket.socketpair()
old_alarm = signal.signal(signal.SIGALRM, raising_handler)
try:
if with_timeout:
# Just above the one second minimum for signal.alarm
c.settimeout(1.5)
with self.assertRaises(ZeroDivisionError):
signal.alarm(1)
c.sendall(b"x" * support.SOCK_MAX_SIZE)
if with_timeout:
signal.signal(signal.SIGALRM, ok_handler)
signal.alarm(1)
self.assertRaises(socket.timeout, c.sendall,
b"x" * support.SOCK_MAX_SIZE)
finally:
signal.alarm(0)
signal.signal(signal.SIGALRM, old_alarm)
c.close()
s.close()
Example #6
| Source File: test_socket.py From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 | 5 votes |
|
def check_sendall_interrupted(self, with_timeout):
# socketpair() is not strictly required, but it makes things easier.
if not hasattr(signal, 'alarm') or not hasattr(socket, 'socketpair'):
self.skipTest("signal.alarm and socket.socketpair required for this test")
# Our signal handlers clobber the C errno by calling a math function
# with an invalid domain value.
def ok_handler(*args):
self.assertRaises(ValueError, math.acosh, 0)
def raising_handler(*args):
self.assertRaises(ValueError, math.acosh, 0)
1 // 0
c, s = socket.socketpair()
old_alarm = signal.signal(signal.SIGALRM, raising_handler)
try:
if with_timeout:
# Just above the one second minimum for signal.alarm
c.settimeout(1.5)
with self.assertRaises(ZeroDivisionError):
signal.alarm(1)
c.sendall(b"x" * support.SOCK_MAX_SIZE)
if with_timeout:
signal.signal(signal.SIGALRM, ok_handler)
signal.alarm(1)
self.assertRaises(socket.timeout, c.sendall,
b"x" * support.SOCK_MAX_SIZE)
finally:
signal.alarm(0)
signal.signal(signal.SIGALRM, old_alarm)
c.close()
s.close()
Example #7
| Source File: eintr_tester.py From Fluid-Designer with GNU General Public License v3.0 | 4 votes |
|
def _test_send(self, send_func):
rd, wr = socket.socketpair()
self.addCleanup(wr.close)
# rd closed explicitly by parent
# we must send enough data for the send() to block
data = b"xyz" * (support.SOCK_MAX_SIZE // 3)
code = '\n'.join((
'import os, socket, sys, time',
'',
'fd = int(sys.argv[1])',
'family = %s' % int(rd.family),
'sock_type = %s' % int(rd.type),
'sleep_time = %r' % self.sleep_time,
'data = b"xyz" * %s' % (support.SOCK_MAX_SIZE // 3),
'data_len = len(data)',
'',
'rd = socket.fromfd(fd, family, sock_type)',
'os.close(fd)',
'',
'with rd:',
' # let the parent block on send()',
' time.sleep(sleep_time)',
'',
' received_data = bytearray(data_len)',
' n = 0',
' while n < data_len:',
' n += rd.recv_into(memoryview(received_data)[n:])',
'',
'if received_data != data:',
' raise Exception("recv error: %s vs %s bytes"',
' % (len(received_data), data_len))',
))
fd = rd.fileno()
proc = self.subprocess(code, str(fd), pass_fds=[fd])
with kill_on_error(proc):
rd.close()
written = 0
while written < len(data):
sent = send_func(wr, memoryview(data)[written:])
# sendall() returns None
written += len(data) if sent is None else sent
self.assertEqual(proc.wait(), 0)
Example #8
| Source File: eintr_tester.py From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 | 4 votes |
|
def _test_send(self, send_func):
rd, wr = socket.socketpair()
self.addCleanup(wr.close)
# rd closed explicitly by parent
# we must send enough data for the send() to block
data = b"xyz" * (support.SOCK_MAX_SIZE // 3)
code = '\n'.join((
'import os, socket, sys, time',
'',
'fd = int(sys.argv[1])',
'family = %s' % int(rd.family),
'sock_type = %s' % int(rd.type),
'sleep_time = %r' % self.sleep_time,
'data = b"xyz" * %s' % (support.SOCK_MAX_SIZE // 3),
'data_len = len(data)',
'',
'rd = socket.fromfd(fd, family, sock_type)',
'os.close(fd)',
'',
'with rd:',
' # let the parent block on send()',
' time.sleep(sleep_time)',
'',
' received_data = bytearray(data_len)',
' n = 0',
' while n < data_len:',
' n += rd.recv_into(memoryview(received_data)[n:])',
'',
'if received_data != data:',
' raise Exception("recv error: %s vs %s bytes"',
' % (len(received_data), data_len))',
))
fd = rd.fileno()
proc = self.subprocess(code, str(fd), pass_fds=[fd])
with kill_on_error(proc):
rd.close()
written = 0
while written < len(data):
sent = send_func(wr, memoryview(data)[written:])
# sendall() returns None
written += len(data) if sent is None else sent
self.assertEqual(proc.wait(), 0)
Example #9
| Source File: test_wsgiref.py From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 | 4 votes |
|
def test_interrupted_write(self):
# BaseHandler._write() and _flush() have to write all data, even if
# it takes multiple send() calls. Test this by interrupting a send()
# call with a Unix signal.
threading = support.import_module("threading")
pthread_kill = support.get_attribute(signal, "pthread_kill")
def app(environ, start_response):
start_response("200 OK", [])
return [bytes(support.SOCK_MAX_SIZE)]
class WsgiHandler(NoLogRequestHandler, WSGIRequestHandler):
pass
server = make_server(support.HOST, 0, app, handler_class=WsgiHandler)
self.addCleanup(server.server_close)
interrupted = threading.Event()
def signal_handler(signum, frame):
interrupted.set()
original = signal.signal(signal.SIGUSR1, signal_handler)
self.addCleanup(signal.signal, signal.SIGUSR1, original)
received = None
main_thread = threading.get_ident()
def run_client():
http = HTTPConnection(*server.server_address)
http.request("GET", "/")
with http.getresponse() as response:
response.read(100)
# The main thread should now be blocking in a send() system
# call. But in theory, it could get interrupted by other
# signals, and then retried. So keep sending the signal in a
# loop, in case an earlier signal happens to be delivered at
# an inconvenient moment.
while True:
pthread_kill(main_thread, signal.SIGUSR1)
if interrupted.wait(timeout=float(1)):
break
nonlocal received
received = len(response.read())
http.close()
background = threading.Thread(target=run_client)
background.start()
server.handle_request()
background.join()
self.assertEqual(received, support.SOCK_MAX_SIZE - 100)
Example #10
| Source File: eintr_tester.py From android_universal with MIT License | 4 votes |
|
def _test_send(self, send_func):
rd, wr = socket.socketpair()
self.addCleanup(wr.close)
# rd closed explicitly by parent
# we must send enough data for the send() to block
data = b"xyz" * (support.SOCK_MAX_SIZE // 3)
code = '\n'.join((
'import os, socket, sys, time',
'',
'fd = int(sys.argv[1])',
'family = %s' % int(rd.family),
'sock_type = %s' % int(rd.type),
'sleep_time = %r' % self.sleep_time,
'data = b"xyz" * %s' % (support.SOCK_MAX_SIZE // 3),
'data_len = len(data)',
'',
'rd = socket.fromfd(fd, family, sock_type)',
'os.close(fd)',
'',
'with rd:',
' # let the parent block on send()',
' time.sleep(sleep_time)',
'',
' received_data = bytearray(data_len)',
' n = 0',
' while n < data_len:',
' n += rd.recv_into(memoryview(received_data)[n:])',
'',
'if received_data != data:',
' raise Exception("recv error: %s vs %s bytes"',
' % (len(received_data), data_len))',
))
fd = rd.fileno()
proc = self.subprocess(code, str(fd), pass_fds=[fd])
with kill_on_error(proc):
rd.close()
written = 0
while written < len(data):
sent = send_func(wr, memoryview(data)[written:])
# sendall() returns None
written += len(data) if sent is None else sent
self.assertEqual(proc.wait(), 0)
