Python tornado.util.errno_from_exception() Examples
The following are 30
code examples of tornado.util.errno_from_exception().
You can vote up the ones you like or vote down the ones you don't like,
and go to the original project or source file by following the links above each example.
You may also want to check out all available functions/classes of the module
tornado.util
, or try the search function
.
.
Example #1
| Source File: worker.py From adminset with GNU General Public License v2.0 | 6 votes |
|
def on_write(self):
logging.debug('worker {} on write'.format(self.id))
if not self.data_to_dst:
return
data = ''.join(self.data_to_dst)
logging.debug('{!r} to {}:{}'.format(data, *self.dst_addr))
try:
sent = self.chan.send(data)
except (OSError, IOError) as e:
logging.error(e)
if errno_from_exception(e) in _ERRNO_CONNRESET:
self.close(reason='chan error on writing')
else:
self.update_handler(IOLoop.WRITE)
else:
self.data_to_dst = []
data = data[sent:]
if data:
self.data_to_dst.append(data)
self.update_handler(IOLoop.WRITE)
else:
self.update_handler(IOLoop.READ)
Example #2
| Source File: main.py From chain with Apache License 2.0 | 6 votes |
|
def on_read(self):
logging.debug('worker {} on read'.format(self.id))
try:
data = self.chan.recv(BUF_SIZE)
except (OSError, IOError) as e:
logging.error(e)
if errno_from_exception(e) in _ERRNO_CONNRESET:
self.close()
else:
logging.debug('"{}" from {}:{}'.format(data, *self.dst_addr))
if not data:
self.close()
return
logging.debug('"{}" to {}:{}'.format(data, *self.handler.src_addr))
try:
self.handler.write_message(data)
except tornado.websocket.WebSocketClosedError:
self.close()
Example #3
| Source File: main.py From chain with Apache License 2.0 | 6 votes |
|
def on_write(self):
logging.debug('worker {} on write'.format(self.id))
if not self.data_to_dst:
return
data = ''.join(self.data_to_dst)
logging.debug('"{}" to {}:{}'.format(data, *self.dst_addr))
try:
sent = self.chan.send(data)
except (OSError, IOError) as e:
logging.error(e)
if errno_from_exception(e) in _ERRNO_CONNRESET:
self.close()
else:
self.update_handler(IOLoop.WRITE)
else:
self.data_to_dst = []
data = data[sent:]
if data:
self.data_to_dst.append(data)
self.update_handler(IOLoop.WRITE)
else:
self.update_handler(IOLoop.READ)
Example #4
| Source File: iostream.py From EventGhost with GNU General Public License v2.0 | 6 votes |
|
def read_from_fd(self):
try:
chunk = os.read(self.fd, self.read_chunk_size)
except (IOError, OSError) as e:
if errno_from_exception(e) in _ERRNO_WOULDBLOCK:
return None
elif errno_from_exception(e) == errno.EBADF:
# If the writing half of a pipe is closed, select will
# report it as readable but reads will fail with EBADF.
self.close(exc_info=True)
return None
else:
raise
if not chunk:
self.close()
return None
return chunk
Example #5
| Source File: worker.py From webssh with MIT License | 6 votes |
|
def on_read(self):
logging.debug('worker {} on read'.format(self.id))
try:
data = self.chan.recv(BUF_SIZE)
except (OSError, IOError) as e:
logging.error(e)
if errno_from_exception(e) in _ERRNO_CONNRESET:
self.close(reason='chan error on reading')
else:
logging.debug('{!r} from {}:{}'.format(data, *self.dst_addr))
if not data:
self.close(reason='chan closed')
return
logging.debug('{!r} to {}:{}'.format(data, *self.handler.src_addr))
try:
self.handler.write_message(data, binary=True)
except tornado.websocket.WebSocketClosedError:
self.close(reason='websocket closed')
Example #6
| Source File: worker.py From webssh with MIT License | 6 votes |
|
def on_write(self):
logging.debug('worker {} on write'.format(self.id))
if not self.data_to_dst:
return
data = ''.join(self.data_to_dst)
logging.debug('{!r} to {}:{}'.format(data, *self.dst_addr))
try:
sent = self.chan.send(data)
except (OSError, IOError) as e:
logging.error(e)
if errno_from_exception(e) in _ERRNO_CONNRESET:
self.close(reason='chan error on writing')
else:
self.update_handler(IOLoop.WRITE)
else:
self.data_to_dst = []
data = data[sent:]
if data:
self.data_to_dst.append(data)
self.update_handler(IOLoop.WRITE)
else:
self.update_handler(IOLoop.READ)
Example #7
| Source File: main.py From autoops with Apache License 2.0 | 6 votes |
|
def on_write(self):
logging.debug('worker {} on write'.format(self.id))
if not self.data_to_dst:
return
data = ''.join(self.data_to_dst)
logging.debug('"{}" to {}'.format(data, self.dst_addr))
try:
sent = self.chan.send(data)
except (OSError, IOError) as e:
logging.error(e)
if errno_from_exception(e) in _ERRNO_CONNRESET:
self.close()
else:
self.update_handler(IOLoop.WRITE)
else:
self.data_to_dst = []
data = data[sent:]
if data:
self.data_to_dst.append(data)
self.update_handler(IOLoop.WRITE)
else:
self.update_handler(IOLoop.READ)
Example #8
| Source File: iostream.py From tornado-zh with MIT License | 6 votes |
|
def read_from_fd(self):
try:
chunk = os.read(self.fd, self.read_chunk_size)
except (IOError, OSError) as e:
if errno_from_exception(e) in _ERRNO_WOULDBLOCK:
return None
elif errno_from_exception(e) == errno.EBADF:
# If the writing half of a pipe is closed, select will
# report it as readable but reads will fail with EBADF.
self.close(exc_info=True)
return None
else:
raise
if not chunk:
self.close()
return None
return chunk
Example #9
| Source File: main.py From autoops with Apache License 2.0 | 6 votes |
|
def on_read(self):
logging.debug('worker {} on read'.format(self.id))
try:
data = self.chan.recv(BUF_SIZE)
except (OSError, IOError) as e:
logging.error(e)
if errno_from_exception(e) in _ERRNO_CONNRESET:
self.close()
else:
logging.debug('"{}" from {}'.format(data, self.dst_addr))
if not data:
self.close()
return
logging.debug('"{}" to {}'.format(data, self.handler.src_addr))
try:
self.handler.write_message(data)
except tornado.websocket.WebSocketClosedError:
self.close()
Example #10
| Source File: worker.py From adminset with GNU General Public License v2.0 | 6 votes |
|
def on_read(self):
logging.debug('worker {} on read'.format(self.id))
try:
data = self.chan.recv(BUF_SIZE)
except (OSError, IOError) as e:
logging.error(e)
if errno_from_exception(e) in _ERRNO_CONNRESET:
self.close(reason='chan error on reading')
else:
logging.debug('{!r} from {}:{}'.format(data, *self.dst_addr))
if not data:
self.close(reason='chan closed')
return
logging.debug('{!r} to {}:{}'.format(data, *self.handler.src_addr))
try:
self.handler.write_message(data, binary=True)
except tornado.websocket.WebSocketClosedError:
self.close(reason='websocket closed')
Example #11
| Source File: iostream.py From EventGhost with GNU General Public License v2.0 | 5 votes |
|
def _is_connreset(self, exc):
"""Return true if exc is ECONNRESET or equivalent.
May be overridden in subclasses.
"""
return (isinstance(exc, (socket.error, IOError)) and
errno_from_exception(exc) in _ERRNO_CONNRESET)
Example #12
| Source File: iostream.py From V1EngineeringInc-Docs with Creative Commons Attribution Share Alike 4.0 International | 5 votes |
|
def _is_connreset(self, exc: BaseException) -> bool:
"""Return ``True`` if exc is ECONNRESET or equivalent.
May be overridden in subclasses.
"""
return (
isinstance(exc, (socket.error, IOError))
and errno_from_exception(exc) in _ERRNO_CONNRESET
)
Example #13
| 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 #14
| Source File: process.py From teleport with Apache License 2.0 | 5 votes |
|
def _try_cleanup_process(cls, pid):
try:
ret_pid, status = os.waitpid(pid, os.WNOHANG)
except OSError as e:
if errno_from_exception(e) == errno.ECHILD:
return
if ret_pid == 0:
return
assert ret_pid == pid
subproc = cls._waiting.pop(pid)
subproc.io_loop.add_callback_from_signal(
subproc._set_returncode, status)
Example #15
| Source File: iostream.py From EventGhost with GNU General Public License v2.0 | 5 votes |
|
def _read_to_buffer(self):
"""Reads from the socket and appends the result to the read buffer.
Returns the number of bytes read. Returns 0 if there is nothing
to read (i.e. the read returns EWOULDBLOCK or equivalent). On
error closes the socket and raises an exception.
"""
while True:
try:
chunk = self.read_from_fd()
except (socket.error, IOError, OSError) as e:
if errno_from_exception(e) == errno.EINTR:
continue
# ssl.SSLError is a subclass of socket.error
if self._is_connreset(e):
# Treat ECONNRESET as a connection close rather than
# an error to minimize log spam (the exception will
# be available on self.error for apps that care).
self.close(exc_info=True)
return
self.close(exc_info=True)
raise
break
if chunk is None:
return 0
self._read_buffer.append(chunk)
self._read_buffer_size += len(chunk)
if self._read_buffer_size > self.max_buffer_size:
gen_log.error("Reached maximum read buffer size")
self.close()
raise StreamBufferFullError("Reached maximum read buffer size")
return len(chunk)
Example #16
| 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 #17
| Source File: iostream.py From teleport with Apache License 2.0 | 5 votes |
|
def read_from_fd(self, buf: Union[bytearray, memoryview]) -> Optional[int]:
try:
return self._fio.readinto(buf) # type: ignore
except (IOError, OSError) as e:
if errno_from_exception(e) == errno.EBADF:
# If the writing half of a pipe is closed, select will
# report it as readable but reads will fail with EBADF.
self.close(exc_info=e)
return None
else:
raise
finally:
del buf
Example #18
| Source File: process.py From teleport with Apache License 2.0 | 5 votes |
|
def _try_cleanup_process(cls, pid: int) -> None:
try:
ret_pid, status = os.waitpid(pid, os.WNOHANG)
except OSError as e:
if errno_from_exception(e) == errno.ECHILD:
return
if ret_pid == 0:
return
assert ret_pid == pid
subproc = cls._waiting.pop(pid)
subproc.io_loop.add_callback_from_signal(subproc._set_returncode, status)
Example #19
| 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 #20
| Source File: netutil.py From tornado-zh with MIT License | 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())
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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 #21
| 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 #22
| Source File: netutil.py From EventGhost with GNU General Public License v2.0 | 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())
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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 #23
| Source File: iostream.py From teleport with Apache License 2.0 | 5 votes |
|
def _is_connreset(self, exc: BaseException) -> bool:
"""Return ``True`` if exc is ECONNRESET or equivalent.
May be overridden in subclasses.
"""
return (
isinstance(exc, (socket.error, IOError))
and errno_from_exception(exc) in _ERRNO_CONNRESET
)
Example #24
| 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 #25
| Source File: iostream.py From teleport with Apache License 2.0 | 5 votes |
|
def read_from_fd(self, buf: Union[bytearray, memoryview]) -> Optional[int]:
try:
return self._fio.readinto(buf) # type: ignore
except (IOError, OSError) as e:
if errno_from_exception(e) == errno.EBADF:
# If the writing half of a pipe is closed, select will
# report it as readable but reads will fail with EBADF.
self.close(exc_info=e)
return None
else:
raise
finally:
del buf
Example #26
| Source File: process.py From teleport with Apache License 2.0 | 5 votes |
|
def _try_cleanup_process(cls, pid: int) -> None:
try:
ret_pid, status = os.waitpid(pid, os.WNOHANG)
except OSError as e:
if errno_from_exception(e) == errno.ECHILD:
return
if ret_pid == 0:
return
assert ret_pid == pid
subproc = cls._waiting.pop(pid)
subproc.io_loop.add_callback_from_signal(subproc._set_returncode, status)
Example #27
| Source File: netutil.py From pySINDy with MIT License | 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 #28
| Source File: iostream.py From pySINDy with MIT License | 5 votes |
|
def _is_connreset(self, exc):
"""Return true if exc is ECONNRESET or equivalent.
May be overridden in subclasses.
"""
return (isinstance(exc, (socket.error, IOError)) and
errno_from_exception(exc) in _ERRNO_CONNRESET)
Example #29
| Source File: iostream.py From pySINDy with MIT License | 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 #30
| Source File: process.py From pySINDy with MIT License | 5 votes |
|
def _try_cleanup_process(cls, pid):
try:
ret_pid, status = os.waitpid(pid, os.WNOHANG)
except OSError as e:
if errno_from_exception(e) == errno.ECHILD:
return
if ret_pid == 0:
return
assert ret_pid == pid
subproc = cls._waiting.pop(pid)
subproc.io_loop.add_callback_from_signal(
subproc._set_returncode, status)
