Python socket.SO_LINGER Examples
The following are 30
code examples of socket.SO_LINGER().
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and go to the original project or source file by following the links above each example.
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Example #1
| Source File: tcp_client.py From LiMEaide with GNU General Public License v3.0 | 7 votes |
|
def run(self):
retry = True
self.logger.info("Connecting to Socket")
sel = selectors.DefaultSelector()
conn = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
conn.setsockopt(
socket.SOL_SOCKET, socket.SO_LINGER, struct.pack('ii', 1, 0))
conn.setblocking(False)
conn.connect_ex((self.ip, self.port))
sel.register(conn, selectors.EVENT_READ, data=None)
while retry:
events = sel.select()
for key, mask in events:
retry = self.__handle_client__(key, mask, sel)
sel.unregister(conn)
if self.result['success']:
conn.shutdown(socket.SHUT_RDWR)
self.qresult.put(self.result)
self.logger.info("Socket Closed")
Example #2
| Source File: connection.py From pure-python-adb with MIT License | 6 votes |
|
def connect(self):
logger.debug("Connect to adb server - {}:{}".format(self.host, self.port))
self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
l_onoff = 1
l_linger = 0
self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_LINGER, struct.pack('ii', l_onoff, l_linger))
if self.timeout:
self.socket.settimeout(self.timeout)
try:
self.socket.connect((self.host, self.port))
except socket.error as e:
raise RuntimeError("ERROR: connecting to {}:{} {}.\nIs adb running on your computer?".format(
self.host,
self.port,
e
))
return self.socket
Example #3
| Source File: test_asyncore.py From CTFCrackTools with GNU General Public License v3.0 | 6 votes |
|
def test_quick_connect(self):
# see: http://bugs.python.org/issue10340
server = TCPServer()
t = threading.Thread(target=lambda: asyncore.loop(timeout=0.1, count=500))
t.start()
for x in xrange(20):
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.settimeout(.2)
s.setsockopt(socket.SOL_SOCKET, socket.SO_LINGER,
struct.pack('ii', 1, 0))
try:
s.connect(server.address)
except socket.error:
pass
finally:
s.close()
Example #4
| Source File: test_socket.py From CTFCrackTools with GNU General Public License v3.0 | 6 votes |
|
def testSO_KEEPALIVE(self):
self.test_tcp_client = 1
self.test_tcp_server = 1
self._testOption(socket.SOL_SOCKET, socket.SO_KEEPALIVE, [0, 1])
self._testInheritedOption(socket.SOL_SOCKET, socket.SO_KEEPALIVE, [0, 1])
# def testSO_LINGER(self):
# self.test_tcp_client = 1
# self.test_tcp_server = 1
# off = struct.pack('ii', 0, 0)
# on_2_seconds = struct.pack('ii', 1, 2)
# self._testOption(socket.SOL_SOCKET, socket.SO_LINGER, [off, on_2_seconds])
# self._testInheritedOption(socket.SOL_SOCKET, socket.SO_LINGER, [off, on_2_seconds])
# # WILL NOT FIX
# def testSO_OOBINLINE(self):
# self.test_tcp_client = 1
# self.test_tcp_server = 1
# self._testOption(socket.SOL_SOCKET, socket.SO_OOBINLINE, [0, 1])
# self._testInheritedOption(socket.SOL_SOCKET, socket.SO_OOBINLINE, [0, 1])
Example #5
| Source File: test_asyncore.py From CTFCrackTools-V2 with GNU General Public License v3.0 | 6 votes |
|
def test_quick_connect(self):
# see: http://bugs.python.org/issue10340
server = TCPServer()
t = threading.Thread(target=lambda: asyncore.loop(timeout=0.1, count=500))
t.start()
for x in xrange(20):
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.settimeout(.2)
s.setsockopt(socket.SOL_SOCKET, socket.SO_LINGER,
struct.pack('ii', 1, 0))
try:
s.connect(server.address)
except socket.error:
pass
finally:
s.close()
Example #6
| Source File: test_socket.py From CTFCrackTools-V2 with GNU General Public License v3.0 | 6 votes |
|
def testSO_KEEPALIVE(self):
self.test_tcp_client = 1
self.test_tcp_server = 1
self._testOption(socket.SOL_SOCKET, socket.SO_KEEPALIVE, [0, 1])
self._testInheritedOption(socket.SOL_SOCKET, socket.SO_KEEPALIVE, [0, 1])
# def testSO_LINGER(self):
# self.test_tcp_client = 1
# self.test_tcp_server = 1
# off = struct.pack('ii', 0, 0)
# on_2_seconds = struct.pack('ii', 1, 2)
# self._testOption(socket.SOL_SOCKET, socket.SO_LINGER, [off, on_2_seconds])
# self._testInheritedOption(socket.SOL_SOCKET, socket.SO_LINGER, [off, on_2_seconds])
# # WILL NOT FIX
# def testSO_OOBINLINE(self):
# self.test_tcp_client = 1
# self.test_tcp_server = 1
# self._testOption(socket.SOL_SOCKET, socket.SO_OOBINLINE, [0, 1])
# self._testInheritedOption(socket.SOL_SOCKET, socket.SO_OOBINLINE, [0, 1])
Example #7
| Source File: __init__.py From CUP with Apache License 2.0 | 6 votes |
|
def set_sock_linger(sock, l_onoff=1, l_linger=0):
"""
set socket linger param (socket.SO_LINGER)
I.g.
::
sock.setsockopt(
socket.SOL_SOCKET, socket.SO_LINGER,
struct.pack('ii', 0, 0)
)
"""
# l_onoff = 1
# l_linger = 0
sock.setsockopt(
socket.SOL_SOCKET, socket.SO_LINGER, struct.pack(
'ii', l_onoff, l_linger
)
)
Example #8
| Source File: RawServer_twisted.py From BitTorrent with GNU General Public License v3.0 | 6 votes |
|
def close(self):
self.stopProducing()
if self.rawserver.config.get('close_with_rst', True):
try:
s = self.get_socket()
s.setsockopt(socket.SOL_SOCKET, socket.SO_LINGER, NOLINGER)
except:
pass
if self.transport:
try:
self.transport.unregisterProducer()
except KeyError:
# bug in iocpreactor: http://twistedmatrix.com/trac/ticket/1657
pass
if (hasattr(self.transport, 'protocol') and
isinstance(self.transport.protocol, CallbackDatagramProtocol)):
# udp connections should only call stopListening
self.transport.stopListening()
else:
self.transport.loseConnection()
elif self.connector:
self.connector.disconnect()
Example #9
| Source File: test_asyncore.py From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 | 6 votes |
|
def test_quick_connect(self):
# see: http://bugs.python.org/issue10340
if self.family in (socket.AF_INET, getattr(socket, "AF_INET6", object())):
server = BaseServer(self.family, self.addr)
t = threading.Thread(target=lambda: asyncore.loop(timeout=0.1,
count=500))
t.start()
def cleanup():
t.join(timeout=TIMEOUT)
if t.is_alive():
self.fail("join() timed out")
self.addCleanup(cleanup)
s = socket.socket(self.family, socket.SOCK_STREAM)
s.settimeout(.2)
s.setsockopt(socket.SOL_SOCKET, socket.SO_LINGER,
struct.pack('ii', 1, 0))
try:
s.connect(server.address)
except OSError:
pass
finally:
s.close()
Example #10
| Source File: test_asyncore.py From gcblue with BSD 3-Clause "New" or "Revised" License | 6 votes |
|
def test_quick_connect(self):
# see: http://bugs.python.org/issue10340
server = TCPServer()
t = threading.Thread(target=lambda: asyncore.loop(timeout=0.1, count=500))
t.start()
self.addCleanup(t.join)
for x in xrange(20):
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.settimeout(.2)
s.setsockopt(socket.SOL_SOCKET, socket.SO_LINGER,
struct.pack('ii', 1, 0))
try:
s.connect(server.address)
except socket.error:
pass
finally:
s.close()
Example #11
| Source File: test_asyncore.py From ironpython3 with Apache License 2.0 | 6 votes |
|
def test_quick_connect(self):
# see: http://bugs.python.org/issue10340
if self.family in (socket.AF_INET, getattr(socket, "AF_INET6", object())):
server = BaseServer(self.family, self.addr)
t = threading.Thread(target=lambda: asyncore.loop(timeout=0.1,
count=500))
t.start()
def cleanup():
t.join(timeout=TIMEOUT)
if t.is_alive():
self.fail("join() timed out")
self.addCleanup(cleanup)
s = socket.socket(self.family, socket.SOCK_STREAM)
s.settimeout(.2)
s.setsockopt(socket.SOL_SOCKET, socket.SO_LINGER,
struct.pack('ii', 1, 0))
try:
s.connect(server.address)
except OSError:
pass
finally:
s.close()
Example #12
| Source File: tcp.py From learn_python3_spider with MIT License | 6 votes |
|
def _closeSocket(self, orderly):
# The call to shutdown() before close() isn't really necessary, because
# we set FD_CLOEXEC now, which will ensure this is the only process
# holding the FD, thus ensuring close() really will shutdown the TCP
# socket. However, do it anyways, just to be safe.
skt = self.socket
try:
if orderly:
if self._shouldShutdown:
skt.shutdown(2)
else:
# Set SO_LINGER to 1,0 which, by convention, causes a
# connection reset to be sent when close is called,
# instead of the standard FIN shutdown sequence.
self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_LINGER,
struct.pack("ii", 1, 0))
except socket.error:
pass
try:
skt.close()
except socket.error:
pass
Example #13
| Source File: test_asyncore.py From ironpython2 with Apache License 2.0 | 6 votes |
|
def test_quick_connect(self):
# see: http://bugs.python.org/issue10340
server = TCPServer()
t = threading.Thread(target=lambda: asyncore.loop(timeout=0.1, count=500))
t.start()
try:
for x in xrange(20):
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.settimeout(.2)
s.setsockopt(socket.SOL_SOCKET, socket.SO_LINGER,
struct.pack('ii', 1, 0))
try:
s.connect(server.address)
except socket.error:
pass
finally:
s.close()
finally:
t.join()
Example #14
| Source File: tcp.py From Safejumper-for-Desktop with GNU General Public License v2.0 | 6 votes |
|
def _closeSocket(self, orderly):
# The call to shutdown() before close() isn't really necessary, because
# we set FD_CLOEXEC now, which will ensure this is the only process
# holding the FD, thus ensuring close() really will shutdown the TCP
# socket. However, do it anyways, just to be safe.
skt = self.socket
try:
if orderly:
if self._shouldShutdown:
skt.shutdown(2)
else:
# Set SO_LINGER to 1,0 which, by convention, causes a
# connection reset to be sent when close is called,
# instead of the standard FIN shutdown sequence.
self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_LINGER,
struct.pack("ii", 1, 0))
except socket.error:
pass
try:
skt.close()
except socket.error:
pass
Example #15
| Source File: frontendcomm.py From spyder-kernels with MIT License | 6 votes |
|
def get_free_port():
"""Find a free port on the local machine."""
sock = socket.socket()
sock.setsockopt(socket.SOL_SOCKET, socket.SO_LINGER, b'\0' * 8)
sock.bind((localhost(), 0))
port = sock.getsockname()[1]
sock.close()
return port
Example #16
| Source File: test_asyncore.py From oss-ftp with MIT License | 6 votes |
|
def test_quick_connect(self):
# see: http://bugs.python.org/issue10340
server = TCPServer()
t = threading.Thread(target=lambda: asyncore.loop(timeout=0.1, count=500))
t.start()
self.addCleanup(t.join)
for x in xrange(20):
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.settimeout(.2)
s.setsockopt(socket.SOL_SOCKET, socket.SO_LINGER,
struct.pack('ii', 1, 0))
try:
s.connect(server.address)
except socket.error:
pass
finally:
s.close()
Example #17
| Source File: test_asyncore.py From BinderFilter with MIT License | 6 votes |
|
def test_quick_connect(self):
# see: http://bugs.python.org/issue10340
server = TCPServer()
t = threading.Thread(target=lambda: asyncore.loop(timeout=0.1, count=500))
t.start()
self.addCleanup(t.join)
for x in xrange(20):
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.settimeout(.2)
s.setsockopt(socket.SOL_SOCKET, socket.SO_LINGER,
struct.pack('ii', 1, 0))
try:
s.connect(server.address)
except socket.error:
pass
finally:
s.close()
Example #18
| Source File: test_asyncore.py From Fluid-Designer with GNU General Public License v3.0 | 6 votes |
|
def test_quick_connect(self):
# see: http://bugs.python.org/issue10340
if self.family in (socket.AF_INET, getattr(socket, "AF_INET6", object())):
server = BaseServer(self.family, self.addr)
t = threading.Thread(target=lambda: asyncore.loop(timeout=0.1,
count=500))
t.start()
def cleanup():
t.join(timeout=TIMEOUT)
if t.is_alive():
self.fail("join() timed out")
self.addCleanup(cleanup)
s = socket.socket(self.family, socket.SOCK_STREAM)
s.settimeout(.2)
s.setsockopt(socket.SOL_SOCKET, socket.SO_LINGER,
struct.pack('ii', 1, 0))
try:
s.connect(server.address)
except OSError:
pass
finally:
s.close()
Example #19
| Source File: connectionPool.py From BBScan with Apache License 2.0 | 5 votes |
|
def close(self):
"""
Close all pooled connections and disable the pool.
"""
# Disable access to the pool
old_pool, self.pool = self.pool, None
try:
while True:
conn = old_pool.get(block=False)
if conn:
conn.sock.setsockopt(socket.SOL_SOCKET, socket.SO_LINGER, struct.pack('ii', 1, 0))
conn.close()
except Empty:
pass
Example #20
| Source File: pedrpc.py From boofuzz with GNU General Public License v2.0 | 5 votes |
|
def __connect(self):
"""
Connect to the PED-RPC server.
"""
# if we have a pre-existing server socket, ensure it's closed.
self.__disconnect()
# connect to the server, timeout on failure.
self.__server_sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.__server_sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
self.__server_sock.settimeout(3.0)
try:
self.__server_sock.connect((self.__host, self.__port))
except socket.error as e:
if self.__retry != 5:
self.__retry += 1
time.sleep(5)
self.__connect()
else:
raise exception.BoofuzzRpcError(
'PED-RPC> unable to connect to server {0}:{1}. Error message: "{2}"\n'.format(
self.__host, self.__port, e
)
)
# disable timeouts and lingering.
self.__server_sock.settimeout(None)
self.__server_sock.setsockopt(socket.SOL_SOCKET, socket.SO_LINGER, self.NOLINGER)
Example #21
| Source File: socket.py From thriftpy2 with MIT License | 5 votes |
|
def _init_sock(self):
if self.unix_socket:
_sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
else:
_sock = socket.socket(self.socket_family, socket.SOCK_STREAM)
_sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
# socket options
linger = struct.pack('ii', 0, 0)
_sock.setsockopt(socket.SOL_SOCKET, socket.SO_LINGER, linger)
_sock.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
self.raw_sock = _sock
Example #22
| Source File: socket.py From thriftpy2 with MIT License | 5 votes |
|
def _init_sock(self):
if self.unix_socket:
_sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
else:
_sock = socket.socket(self.socket_family, socket.SOCK_STREAM)
_sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
# socket options
linger = struct.pack('ii', 0, 0)
_sock.setsockopt(socket.SOL_SOCKET, socket.SO_LINGER, linger)
_sock.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
self.sock = _sock
Example #23
| Source File: sslsocket.py From thriftpy2 with MIT License | 5 votes |
|
def _init_sock(self):
_sock = socket.socket(self.socket_family, socket.SOCK_STREAM)
_sock = self.ssl_context.wrap_socket(_sock,
server_hostname=self.host)
# socket options
linger = struct.pack('ii', 0, 0)
_sock.setsockopt(socket.SOL_SOCKET, socket.SO_LINGER, linger)
_sock.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
_sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
self.sock = _sock
Example #24
| Source File: connect_manager.py From XX-Net-mini with GNU General Public License v3.0 | 5 votes |
|
def create_connect(self, queue, host, ip, port, timeout=5):
if int(g.config.PROXY_ENABLE):
sock = socks.socksocket(socket.AF_INET if ':' not in ip else socket.AF_INET6)
else:
sock = socket.socket(socket.AF_INET if ':' not in ip else socket.AF_INET6)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
# set struct linger{l_onoff=1,l_linger=0} to avoid 10048 socket error
sock.setsockopt(socket.SOL_SOCKET, socket.SO_LINGER, struct.pack('ii', 1, 0))
# resize socket recv buffer 8K->32K to improve browser releated application performance
sock.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 32 * 1024)
sock.setsockopt(socket.SOL_TCP, socket.TCP_NODELAY, True)
sock.settimeout(timeout)
start_time = time.time()
try:
sock.connect((ip, port))
time_cost = (time.time() - start_time) * 1000
# xlog.debug("connect %s %s:%d time:%d", host, ip, port, time_cost)
g.ip_cache.update_connect_time(ip, port, time_cost)
s = SocketWrap(sock, ip, port, host)
host_port = "%s:%d" % (host, port)
self.add_sock(host_port, s)
queue.put(True)
except Exception as e:
# xlog.debug("connect %s %s:%d fail:%r", host, ip, port, e)
g.ip_cache.report_connect_fail(ip, port)
queue.put(False)
Example #25
| Source File: test_functional.py From pyftpdlib with MIT License | 5 votes |
|
def test_quick_connect(self):
# Clients that connected and disconnected quickly could cause
# the server to crash, due to a failure to catch errors in the
# initial part of the connection process.
# Tracked in issues #91, #104 and #105.
# See also https://bugs.launchpad.net/zodb/+bug/135108
import struct
def connect(addr):
with contextlib.closing(socket.socket()) as s:
# Set SO_LINGER to 1,0 causes a connection reset (RST) to
# be sent when close() is called, instead of the standard
# FIN shutdown sequence.
s.setsockopt(socket.SOL_SOCKET, socket.SO_LINGER,
struct.pack('ii', 1, 0))
s.settimeout(TIMEOUT)
try:
s.connect(addr)
except socket.error:
pass
for x in range(10):
connect((self.server.host, self.server.port))
for x in range(10):
addr = self.client.makepasv()
connect(addr)
Example #26
| Source File: util.py From indy-plenum with Apache License 2.0 | 5 votes |
|
def checkPortAvailable(ha):
"""Checks whether the given port is available"""
# Not sure why OS would allow binding to one type and not other.
# Checking for port available for TCP and UDP.
sockTypes = (socket.SOCK_DGRAM, socket.SOCK_STREAM)
for typ in sockTypes:
sock = socket.socket(socket.AF_INET, typ)
try:
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
sock.bind(ha)
if typ == socket.SOCK_STREAM:
l_onoff = 1
l_linger = 0
sock.setsockopt(socket.SOL_SOCKET, socket.SO_LINGER,
struct.pack('ii', l_onoff, l_linger))
except OSError as exc:
if exc.errno in [
errno.EADDRINUSE, errno.EADDRNOTAVAIL,
WS_SOCKET_BIND_ERROR_ALREADY_IN_USE,
WS_SOCKET_BIND_ERROR_NOT_AVAILABLE
]:
raise PortNotAvailable(ha)
else:
raise exc
finally:
sock.close()
Example #27
| Source File: mtprotoproxy.py From mtprotoproxy with MIT License | 5 votes |
|
def set_instant_rst(sock):
INSTANT_RST = b"\x01\x00\x00\x00\x00\x00\x00\x00"
if hasattr(socket, "SO_LINGER"):
try_setsockopt(sock, socket.SOL_SOCKET, socket.SO_LINGER, INSTANT_RST)
Example #28
| Source File: connectionPool.py From BBScan with Apache License 2.0 | 5 votes |
|
def close(self):
"""
Close all pooled connections and disable the pool.
"""
# Disable access to the pool
old_pool, self.pool = self.pool, None
try:
while True:
conn = old_pool.get(block=False)
if conn:
conn.sock.setsockopt(socket.SOL_SOCKET, socket.SO_LINGER, struct.pack('ii', 1, 0))
conn.close()
except Empty:
pass
Example #29
| Source File: test_functional.py From oss-ftp with MIT License | 5 votes |
|
def test_quick_connect(self):
# Clients that connected and disconnected quickly could cause
# the server to crash, due to a failure to catch errors in the
# initial part of the connection process.
# Tracked in issues #91, #104 and #105.
# See also https://bugs.launchpad.net/zodb/+bug/135108
import struct
def connect(addr):
with contextlib.closing(socket.socket()) as s:
# Set SO_LINGER to 1,0 causes a connection reset (RST) to
# be sent when close() is called, instead of the standard
# FIN shutdown sequence.
s.setsockopt(socket.SOL_SOCKET, socket.SO_LINGER,
struct.pack('ii', 1, 0))
s.settimeout(TIMEOUT)
try:
s.connect(addr)
except socket.error:
pass
for x in range(10):
connect((self.server.host, self.server.port))
for x in range(10):
addr = self.client.makepasv()
connect(addr)
Example #30
| Source File: test_socket.py From medicare-demo with Apache License 2.0 | 5 votes |
|
def testSO_LINGER(self):
self.test_tcp_client = 1
off = struct.pack('ii', 0, 0)
on_2_seconds = struct.pack('ii', 1, 2)
self._testOption(socket.SOL_SOCKET, socket.SO_LINGER, [off, on_2_seconds])
