Python errno.ENOPROTOOPT Examples
The following are 30
code examples of errno.ENOPROTOOPT().
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Example #1
| Source File: test_socket.py From CTFCrackTools with GNU General Public License v3.0 | 6 votes |
|
def _testOption(self, level, option, values):
for flag, func in [
(self.test_udp, self._testUDPOption),
(self.test_tcp_client, self._testTCPClientOption),
(self.test_tcp_server, self._testTCPServerOption),
]:
if flag:
func(level, option, values)
else:
try:
func(level, option, values)
except socket.error, se:
self.failUnlessEqual(se[0], errno.ENOPROTOOPT, "Wrong errno from unsupported option exception: %d" % se[0])
except Exception, x:
self.fail("Wrong exception raised from unsupported option: %s" % str(x))
else:
self.fail("Setting unsupported option should have raised an exception")
Example #2
| Source File: test_socket.py From medicare-demo with Apache License 2.0 | 6 votes |
|
def _testOption(self, level, option, values):
for flag, func in [
(self.test_udp, self._testUDPOption),
(self.test_tcp_server, self._testTCPServerOption),
(self.test_tcp_client, self._testTCPClientOption),
]:
if flag:
func(level, option, values)
else:
try:
func(level, option, values)
except socket.error, se:
self.failUnlessEqual(se[0], errno.ENOPROTOOPT, "Wrong errno from unsupported option exception: %d" % se[0])
except Exception, x:
self.fail("Wrong exception raised from unsupported option: %s" % str(x))
else:
self.fail("Setting unsupported option should have raised an exception")
Example #3
| Source File: wsgi_server_test.py From browserscope with Apache License 2.0 | 6 votes |
|
def test_ignore_other_errors(self):
inet4_server = self.mox.CreateMock(wsgi_server._SingleAddressWsgiServer)
inet6_server = self.mox.CreateMock(wsgi_server._SingleAddressWsgiServer)
self.mox.StubOutWithMock(wsgi_server, '_SingleAddressWsgiServer')
self.mox.StubOutWithMock(socket, 'getaddrinfo')
socket.getaddrinfo('localhost', 0, socket.AF_UNSPEC, socket.SOCK_STREAM, 0,
socket.AI_PASSIVE).AndReturn(
[(None, None, None, None, ('127.0.0.1', 0, 'baz')),
(None, None, None, None, ('::1', 0, 'baz'))])
wsgi_server._SingleAddressWsgiServer(('127.0.0.1', 0), None).AndReturn(
inet4_server)
inet4_server.start()
inet4_server.port = 123
wsgi_server._SingleAddressWsgiServer(('::1', 123), None).AndReturn(
inet6_server)
inet6_server.start().AndRaise(
wsgi_server.BindError('message', (errno.ENOPROTOOPT, 'no protocol')))
self.mox.ReplayAll()
self.server.start()
self.mox.VerifyAll()
self.assertItemsEqual([inet4_server],
self.server._servers)
Example #4
| Source File: _socket.py From CTFCrackTools-V2 with GNU General Public License v3.0 | 6 votes |
|
def getsockopt(self, level, optname, buflen=None):
# Pseudo options for interrogating the status of this socket
if level == SOL_SOCKET:
if optname == SO_ACCEPTCONN:
if self.socket_type == SERVER_SOCKET:
return 1
elif self.type == SOCK_STREAM:
return 0
else:
raise error(errno.ENOPROTOOPT, "Protocol not available")
if optname == SO_TYPE:
return self.type
if optname == SO_ERROR:
last_error = self._last_error
self._last_error = 0
return last_error
# Normal options
try:
option, _ = _socket_options[self.proto][(level, optname)]
except KeyError:
raise error(errno.ENOPROTOOPT, "Protocol not available")
log.debug("Shadow option settings %s", self.options, extra={"sock": self})
return self.options.get(option, 0)
Example #5
| Source File: wsgi_server_test.py From python-compat-runtime with Apache License 2.0 | 6 votes |
|
def test_ignore_other_errors(self):
inet4_server = self.mox.CreateMock(wsgi_server._SingleAddressWsgiServer)
inet6_server = self.mox.CreateMock(wsgi_server._SingleAddressWsgiServer)
self.mox.StubOutWithMock(wsgi_server, '_SingleAddressWsgiServer')
self.mox.StubOutWithMock(socket, 'getaddrinfo')
socket.getaddrinfo('localhost', 0, socket.AF_UNSPEC, socket.SOCK_STREAM, 0,
socket.AI_PASSIVE).AndReturn(
[(None, None, None, None, ('127.0.0.1', 0, 'baz')),
(None, None, None, None, ('::1', 0, 'baz'))])
wsgi_server._SingleAddressWsgiServer(('127.0.0.1', 0), None).AndReturn(
inet4_server)
inet4_server.start()
inet4_server.port = 123
wsgi_server._SingleAddressWsgiServer(('::1', 123), None).AndReturn(
inet6_server)
inet6_server.start().AndRaise(
wsgi_server.BindError('message', (errno.ENOPROTOOPT, 'no protocol')))
self.mox.ReplayAll()
self.server.start()
self.mox.VerifyAll()
self.assertItemsEqual([inet4_server],
self.server._servers)
Example #6
| Source File: _socket.py From CTFCrackTools-V2 with GNU General Public License v3.0 | 6 votes |
|
def getsockopt(self, level, optname, buflen=None):
# Pseudo options for interrogating the status of this socket
if level == SOL_SOCKET:
if optname == SO_ACCEPTCONN:
if self.socket_type == SERVER_SOCKET:
return 1
elif self.type == SOCK_STREAM:
return 0
else:
raise error(errno.ENOPROTOOPT, "Protocol not available")
if optname == SO_TYPE:
return self.type
if optname == SO_ERROR:
last_error = self._last_error
self._last_error = 0
return last_error
# Normal options
try:
option, _ = _socket_options[self.proto][(level, optname)]
except KeyError:
raise error(errno.ENOPROTOOPT, "Protocol not available")
log.debug("Shadow option settings %s", self.options, extra={"sock": self})
return self.options.get(option, 0)
Example #7
| Source File: test_socket.py From CTFCrackTools-V2 with GNU General Public License v3.0 | 6 votes |
|
def _testOption(self, level, option, values):
for flag, func in [
(self.test_udp, self._testUDPOption),
(self.test_tcp_client, self._testTCPClientOption),
(self.test_tcp_server, self._testTCPServerOption),
]:
if flag:
func(level, option, values)
else:
try:
func(level, option, values)
except socket.error, se:
self.failUnlessEqual(se[0], errno.ENOPROTOOPT, "Wrong errno from unsupported option exception: %d" % se[0])
except Exception, x:
self.fail("Wrong exception raised from unsupported option: %s" % str(x))
else:
self.fail("Setting unsupported option should have raised an exception")
Example #8
| Source File: socket.py From thriftpy2 with MIT License | 6 votes |
|
def _init_sock(self):
if self.unix_socket:
# try remove the sock file it already exists
_sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
try:
_sock.connect(self.unix_socket)
except (socket.error, OSError) as err:
if err.args[0] == errno.ECONNREFUSED:
os.unlink(self.unix_socket)
else:
_sock = socket.socket(self.socket_family, socket.SOCK_STREAM)
_sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
if hasattr(socket, "SO_REUSEPORT"):
try:
_sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
except socket.error as err:
if err[0] in (errno.ENOPROTOOPT, errno.EINVAL):
pass
else:
raise
_sock.settimeout(None)
self.sock = _sock
Example #9
| Source File: socket.py From thriftpy2 with MIT License | 6 votes |
|
def _init_sock(self):
if self.unix_socket:
# try remove the sock file it already exists
_sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
try:
_sock.connect(self.unix_socket)
except (socket.error, OSError) as err:
if err.args[0] == errno.ECONNREFUSED:
os.unlink(self.unix_socket)
else:
_sock = socket.socket(self.socket_family, socket.SOCK_STREAM)
_sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
if hasattr(socket, "SO_REUSEPORT"):
try:
_sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
except socket.error as err:
if err[0] in (errno.ENOPROTOOPT, errno.EINVAL):
pass
else:
raise
_sock.settimeout(None)
self.raw_sock = _sock
Example #10
| Source File: _socket.py From CTFCrackTools with GNU General Public License v3.0 | 6 votes |
|
def getsockopt(self, level, optname, buflen=None):
# Pseudo options for interrogating the status of this socket
if level == SOL_SOCKET:
if optname == SO_ACCEPTCONN:
if self.socket_type == SERVER_SOCKET:
return 1
elif self.type == SOCK_STREAM:
return 0
else:
raise error(errno.ENOPROTOOPT, "Protocol not available")
if optname == SO_TYPE:
return self.type
if optname == SO_ERROR:
last_error = self._last_error
self._last_error = 0
return last_error
# Normal options
try:
option, _ = _socket_options[self.proto][(level, optname)]
except KeyError:
raise error(errno.ENOPROTOOPT, "Protocol not available")
log.debug("Shadow option settings %s", self.options, extra={"sock": self})
return self.options.get(option, 0)
Example #11
| Source File: _socket.py From CTFCrackTools with GNU General Public License v3.0 | 6 votes |
|
def getsockopt(self, level, optname, buflen=None):
# Pseudo options for interrogating the status of this socket
if level == SOL_SOCKET:
if optname == SO_ACCEPTCONN:
if self.socket_type == SERVER_SOCKET:
return 1
elif self.type == SOCK_STREAM:
return 0
else:
raise error(errno.ENOPROTOOPT, "Protocol not available")
if optname == SO_TYPE:
return self.type
if optname == SO_ERROR:
last_error = self._last_error
self._last_error = 0
return last_error
# Normal options
try:
option, _ = _socket_options[self.proto][(level, optname)]
except KeyError:
raise error(errno.ENOPROTOOPT, "Protocol not available")
log.debug("Shadow option settings %s", self.options, extra={"sock": self})
return self.options.get(option, 0)
Example #12
| Source File: iostream.py From V1EngineeringInc-Docs with Creative Commons Attribution Share Alike 4.0 International | 5 votes |
|
def _handle_connect(self) -> None:
try:
err = self.socket.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR)
except socket.error as e:
# Hurd doesn't allow SO_ERROR for loopback sockets because all
# errors for such sockets are reported synchronously.
if errno_from_exception(e) == errno.ENOPROTOOPT:
err = 0
if err != 0:
self.error = socket.error(err, os.strerror(err))
# IOLoop implementations may vary: some of them return
# an error state before the socket becomes writable, so
# in that case a connection failure would be handled by the
# error path in _handle_events instead of here.
if self._connect_future is None:
gen_log.warning(
"Connect error on fd %s: %s",
self.socket.fileno(),
errno.errorcode[err],
)
self.close()
return
if self._connect_future is not None:
future = self._connect_future
self._connect_future = None
future_set_result_unless_cancelled(future, self)
self._connecting = False
Example #13
| Source File: netutil.py From V1EngineeringInc-Docs with Creative Commons Attribution Share Alike 4.0 International | 5 votes |
|
def bind_unix_socket(
file: str, mode: int = 0o600, backlog: int = _DEFAULT_BACKLOG
) -> socket.socket:
"""Creates a listening unix socket.
If a socket with the given name already exists, it will be deleted.
If any other file with that name exists, an exception will be
raised.
Returns a socket object (not a list of socket objects like
`bind_sockets`)
"""
sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
set_close_exec(sock.fileno())
try:
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
except socket.error as e:
if errno_from_exception(e) != errno.ENOPROTOOPT:
# Hurd doesn't support SO_REUSEADDR
raise
sock.setblocking(False)
try:
st = os.stat(file)
except OSError as err:
if errno_from_exception(err) != errno.ENOENT:
raise
else:
if stat.S_ISSOCK(st.st_mode):
os.remove(file)
else:
raise ValueError("File %s exists and is not a socket", file)
sock.bind(file)
os.chmod(file, mode)
sock.listen(backlog)
return sock
Example #14
| Source File: zeroconf.py From RepetierIntegration with GNU Affero General Public License v3.0 | 5 votes |
|
def new_socket():
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
# SO_REUSEADDR should be equivalent to SO_REUSEPORT for
# multicast UDP sockets (p 731, "TCP/IP Illustrated,
# Volume 2"), but some BSD-derived systems require
# SO_REUSEPORT to be specified explicity. Also, not all
# versions of Python have SO_REUSEPORT available.
# Catch OSError and socket.error for kernel versions <3.9 because lacking
# SO_REUSEPORT support.
try:
reuseport = socket.SO_REUSEPORT
except AttributeError:
pass
else:
try:
s.setsockopt(socket.SOL_SOCKET, reuseport, 1)
except (OSError, socket.error) as err:
# OSError on python 3, socket.error on python 2
if not err.errno == errno.ENOPROTOOPT:
raise
# OpenBSD needs the ttl and loop values for the IP_MULTICAST_TTL and
# IP_MULTICAST_LOOP socket options as an unsigned char.
ttl = struct.pack(b'B', 255)
s.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, ttl)
loop = struct.pack(b'B', 1)
s.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_LOOP, loop)
s.bind(('', _MDNS_PORT))
return s
Example #15
| Source File: plugin.py From maas with GNU Affero General Public License v3.0 | 5 votes |
|
def _makeHTTPService(self):
"""Create the HTTP service."""
from provisioningserver.rackdservices.http import HTTPResource
from twisted.application.internet import StreamServerEndpointService
from twisted.internet.endpoints import AdoptedStreamServerEndpoint
from provisioningserver.utils.twisted import SiteNoLog
port = 5249
s = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
try:
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
except socket_error as e:
if e.errno != ENOPROTOOPT:
raise e
s.bind(("::", port))
# Use a backlog of 50, which seems to be fairly common.
s.listen(50)
# Adopt this socket into Twisted's reactor.
site_endpoint = AdoptedStreamServerEndpoint(
reactor, s.fileno(), s.family
)
site_endpoint.port = port # Make it easy to get the port number.
site_endpoint.socket = s # Prevent garbage collection.
http_service = StreamServerEndpointService(
site_endpoint, SiteNoLog(HTTPResource())
)
http_service.setName("http_service")
return http_service
Example #16
| Source File: zeroconf.py From jarvis with GNU General Public License v2.0 | 5 votes |
|
def new_socket():
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
# SO_REUSEADDR should be equivalent to SO_REUSEPORT for
# multicast UDP sockets (p 731, "TCP/IP Illustrated,
# Volume 2"), but some BSD-derived systems require
# SO_REUSEPORT to be specified explicity. Also, not all
# versions of Python have SO_REUSEPORT available.
# Catch OSError and socket.error for kernel versions <3.9 because lacking
# SO_REUSEPORT support.
try:
reuseport = socket.SO_REUSEPORT
except AttributeError:
pass
else:
try:
s.setsockopt(socket.SOL_SOCKET, reuseport, 1)
except (OSError, socket.error) as err:
# OSError on python 3, socket.error on python 2
if not err.errno == errno.ENOPROTOOPT:
raise
# OpenBSD needs the ttl and loop values for the IP_MULTICAST_TTL and
# IP_MULTICAST_LOOP socket options as an unsigned char.
ttl = struct.pack(b'B', 255)
s.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, ttl)
loop = struct.pack(b'B', 1)
s.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_LOOP, loop)
s.bind(('', _MDNS_PORT))
return s
Example #17
| Source File: _socket.py From CTFCrackTools with GNU General Public License v3.0 | 5 votes |
|
def setsockopt(self, level, optname, value):
try:
option, cast = _socket_options[self.proto][(level, optname)]
except KeyError:
raise error(errno.ENOPROTOOPT, "Protocol not available")
cast_value = cast(value)
self.options[option] = cast_value
log.debug("Setting option %s to %s", optname, value, extra={"sock": self})
if self.channel:
_set_option(self.channel.config().setOption, option, cast_value)
Example #18
| Source File: _socket.py From CTFCrackTools-V2 with GNU General Public License v3.0 | 5 votes |
|
def setsockopt(self, level, optname, value):
try:
option, cast = _socket_options[self.proto][(level, optname)]
except KeyError:
raise error(errno.ENOPROTOOPT, "Protocol not available")
cast_value = cast(value)
self.options[option] = cast_value
log.debug("Setting option %s to %s", optname, value, extra={"sock": self})
if self.channel:
_set_option(self.channel.config().setOption, option, cast_value)
Example #19
| Source File: _socket.py From CTFCrackTools with GNU General Public License v3.0 | 5 votes |
|
def setsockopt(self, level, optname, value):
try:
option, cast = _socket_options[self.proto][(level, optname)]
except KeyError:
raise error(errno.ENOPROTOOPT, "Protocol not available")
cast_value = cast(value)
self.options[option] = cast_value
log.debug("Setting option %s to %s", optname, value, extra={"sock": self})
if self.channel:
_set_option(self.channel.config().setOption, option, cast_value)
Example #20
| Source File: _socket.py From CTFCrackTools-V2 with GNU General Public License v3.0 | 5 votes |
|
def setsockopt(self, level, optname, value):
try:
option, cast = _socket_options[self.proto][(level, optname)]
except KeyError:
raise error(errno.ENOPROTOOPT, "Protocol not available")
cast_value = cast(value)
self.options[option] = cast_value
log.debug("Setting option %s to %s", optname, value, extra={"sock": self})
if self.channel:
_set_option(self.channel.config().setOption, option, cast_value)
Example #21
| Source File: socket.py From medicare-demo with Apache License 2.0 | 5 votes |
|
def setsockopt(self, level, option, value):
if (level, option) in self.options:
if option == SO_LINGER:
values = struct.unpack('ii', value)
self.jsocket.setSoLinger(*values)
else:
getattr(self.jsocket, "set%s" % self.options[ (level, option) ])(value)
else:
raise error(errno.ENOPROTOOPT, "Socket option '%s' (level '%s') not supported on socket(%s)" % (_constant_to_name(option), _constant_to_name(level), str(self.jsocket)))
Example #22
| Source File: error.py From libnl with GNU Lesser General Public License v2.1 | 5 votes |
|
def nl_syserr2nlerr(error_):
"""https://github.com/thom311/libnl/blob/libnl3_2_25/lib/error.c#L84."""
error_ = abs(error_)
legend = {
errno.EBADF: libnl.errno_.NLE_BAD_SOCK,
errno.EADDRINUSE: libnl.errno_.NLE_EXIST,
errno.EEXIST: libnl.errno_.NLE_EXIST,
errno.EADDRNOTAVAIL: libnl.errno_.NLE_NOADDR,
errno.ESRCH: libnl.errno_.NLE_OBJ_NOTFOUND,
errno.ENOENT: libnl.errno_.NLE_OBJ_NOTFOUND,
errno.EINTR: libnl.errno_.NLE_INTR,
errno.EAGAIN: libnl.errno_.NLE_AGAIN,
errno.ENOTSOCK: libnl.errno_.NLE_BAD_SOCK,
errno.ENOPROTOOPT: libnl.errno_.NLE_INVAL,
errno.EFAULT: libnl.errno_.NLE_INVAL,
errno.EACCES: libnl.errno_.NLE_NOACCESS,
errno.EINVAL: libnl.errno_.NLE_INVAL,
errno.ENOBUFS: libnl.errno_.NLE_NOMEM,
errno.ENOMEM: libnl.errno_.NLE_NOMEM,
errno.EAFNOSUPPORT: libnl.errno_.NLE_AF_NOSUPPORT,
errno.EPROTONOSUPPORT: libnl.errno_.NLE_PROTO_MISMATCH,
errno.EOPNOTSUPP: libnl.errno_.NLE_OPNOTSUPP,
errno.EPERM: libnl.errno_.NLE_PERM,
errno.EBUSY: libnl.errno_.NLE_BUSY,
errno.ERANGE: libnl.errno_.NLE_RANGE,
errno.ENODEV: libnl.errno_.NLE_NODEV,
}
return int(legend.get(error_, libnl.errno_.NLE_FAILURE))
Example #23
| Source File: netutil.py From opendevops with GNU General Public License v3.0 | 5 votes |
|
def bind_unix_socket(
file: str, mode: int = 0o600, backlog: int = _DEFAULT_BACKLOG
) -> socket.socket:
"""Creates a listening unix socket.
If a socket with the given name already exists, it will be deleted.
If any other file with that name exists, an exception will be
raised.
Returns a socket object (not a list of socket objects like
`bind_sockets`)
"""
sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
set_close_exec(sock.fileno())
try:
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
except socket.error as e:
if errno_from_exception(e) != errno.ENOPROTOOPT:
# Hurd doesn't support SO_REUSEADDR
raise
sock.setblocking(False)
try:
st = os.stat(file)
except OSError as err:
if errno_from_exception(err) != errno.ENOENT:
raise
else:
if stat.S_ISSOCK(st.st_mode):
os.remove(file)
else:
raise ValueError("File %s exists and is not a socket", file)
sock.bind(file)
os.chmod(file, mode)
sock.listen(backlog)
return sock
Example #24
| Source File: iostream.py From opendevops with GNU General Public License v3.0 | 5 votes |
|
def _handle_connect(self) -> None:
try:
err = self.socket.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR)
except socket.error as e:
# Hurd doesn't allow SO_ERROR for loopback sockets because all
# errors for such sockets are reported synchronously.
if errno_from_exception(e) == errno.ENOPROTOOPT:
err = 0
if err != 0:
self.error = socket.error(err, os.strerror(err))
# IOLoop implementations may vary: some of them return
# an error state before the socket becomes writable, so
# in that case a connection failure would be handled by the
# error path in _handle_events instead of here.
if self._connect_future is None:
gen_log.warning(
"Connect error on fd %s: %s",
self.socket.fileno(),
errno.errorcode[err],
)
self.close()
return
if self._connect_future is not None:
future = self._connect_future
self._connect_future = None
future_set_result_unless_cancelled(future, self)
self._connecting = False
Example #25
| Source File: udp.py From Safejumper-for-Desktop with GNU General Public License v2.0 | 5 votes |
|
def createInternetSocket(self):
skt = Port.createInternetSocket(self)
if self.listenMultiple:
skt.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
if hasattr(socket, "SO_REUSEPORT"):
try:
skt.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
except socket.error as le:
# RHEL6 defines SO_REUSEPORT but it doesn't work
if le.errno == ENOPROTOOPT:
pass
else:
raise
return skt
Example #26
| Source File: netutil.py From teleport with Apache License 2.0 | 5 votes |
|
def bind_unix_socket(file, mode=0o600, backlog=_DEFAULT_BACKLOG):
"""Creates a listening unix socket.
If a socket with the given name already exists, it will be deleted.
If any other file with that name exists, an exception will be
raised.
Returns a socket object (not a list of socket objects like
`bind_sockets`)
"""
sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
set_close_exec(sock.fileno())
try:
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
except socket.error as e:
if errno_from_exception(e) != errno.ENOPROTOOPT:
# Hurd doesn't support SO_REUSEADDR
raise
sock.setblocking(0)
try:
st = os.stat(file)
except OSError as err:
if errno_from_exception(err) != errno.ENOENT:
raise
else:
if stat.S_ISSOCK(st.st_mode):
os.remove(file)
else:
raise ValueError("File %s exists and is not a socket", file)
sock.bind(file)
os.chmod(file, mode)
sock.listen(backlog)
return sock
Example #27
| Source File: iostream.py From teleport with Apache License 2.0 | 5 votes |
|
def _handle_connect(self):
try:
err = self.socket.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR)
except socket.error as e:
# Hurd doesn't allow SO_ERROR for loopback sockets because all
# errors for such sockets are reported synchronously.
if errno_from_exception(e) == errno.ENOPROTOOPT:
err = 0
if err != 0:
self.error = socket.error(err, os.strerror(err))
# IOLoop implementations may vary: some of them return
# an error state before the socket becomes writable, so
# in that case a connection failure would be handled by the
# error path in _handle_events instead of here.
if self._connect_future is None:
gen_log.warning("Connect error on fd %s: %s",
self.socket.fileno(), errno.errorcode[err])
self.close()
return
if self._connect_callback is not None:
callback = self._connect_callback
self._connect_callback = None
self._run_callback(callback)
if self._connect_future is not None:
future = self._connect_future
self._connect_future = None
future.set_result(self)
self._connecting = False
Example #28
| Source File: netutil.py From teleport with Apache License 2.0 | 5 votes |
|
def bind_unix_socket(
file: str, mode: int = 0o600, backlog: int = _DEFAULT_BACKLOG
) -> socket.socket:
"""Creates a listening unix socket.
If a socket with the given name already exists, it will be deleted.
If any other file with that name exists, an exception will be
raised.
Returns a socket object (not a list of socket objects like
`bind_sockets`)
"""
sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
set_close_exec(sock.fileno())
try:
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
except socket.error as e:
if errno_from_exception(e) != errno.ENOPROTOOPT:
# Hurd doesn't support SO_REUSEADDR
raise
sock.setblocking(False)
try:
st = os.stat(file)
except OSError as err:
if errno_from_exception(err) != errno.ENOENT:
raise
else:
if stat.S_ISSOCK(st.st_mode):
os.remove(file)
else:
raise ValueError("File %s exists and is not a socket", file)
sock.bind(file)
os.chmod(file, mode)
sock.listen(backlog)
return sock
Example #29
| Source File: iostream.py From teleport with Apache License 2.0 | 5 votes |
|
def _handle_connect(self) -> None:
try:
err = self.socket.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR)
except socket.error as e:
# Hurd doesn't allow SO_ERROR for loopback sockets because all
# errors for such sockets are reported synchronously.
if errno_from_exception(e) == errno.ENOPROTOOPT:
err = 0
if err != 0:
self.error = socket.error(err, os.strerror(err))
# IOLoop implementations may vary: some of them return
# an error state before the socket becomes writable, so
# in that case a connection failure would be handled by the
# error path in _handle_events instead of here.
if self._connect_future is None:
gen_log.warning(
"Connect error on fd %s: %s",
self.socket.fileno(),
errno.errorcode[err],
)
self.close()
return
if self._connect_future is not None:
future = self._connect_future
self._connect_future = None
future_set_result_unless_cancelled(future, self)
self._connecting = False
Example #30
| Source File: netutil.py From teleport with Apache License 2.0 | 5 votes |
|
def bind_unix_socket(
file: str, mode: int = 0o600, backlog: int = _DEFAULT_BACKLOG
) -> socket.socket:
"""Creates a listening unix socket.
If a socket with the given name already exists, it will be deleted.
If any other file with that name exists, an exception will be
raised.
Returns a socket object (not a list of socket objects like
`bind_sockets`)
"""
sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
set_close_exec(sock.fileno())
try:
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
except socket.error as e:
if errno_from_exception(e) != errno.ENOPROTOOPT:
# Hurd doesn't support SO_REUSEADDR
raise
sock.setblocking(False)
try:
st = os.stat(file)
except OSError as err:
if errno_from_exception(err) != errno.ENOENT:
raise
else:
if stat.S_ISSOCK(st.st_mode):
os.remove(file)
else:
raise ValueError("File %s exists and is not a socket", file)
sock.bind(file)
os.chmod(file, mode)
sock.listen(backlog)
return sock
