Python socket.SO_LINGER Examples
The following are 30
code examples of socket.SO_LINGER().
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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])