def shutdown(self):
"""Prepares the EQ to be closed."""
self._inotify_notifier_gral.stop()
self._inotify_notifier_antr.stop()
reactor.removeReader(self._inotify_reader_gral)
reactor.removeReader(self._inotify_reader_antr)
self._processor.shutdown()
def _delegateFD(self):
# Take out the fd from twisted reactor and pass it to element
# using it
# See http://twistedmatrix.com/trac/ticket/1796
reactor.removeReader(self._transport)
self._gstElement.connectFd(self._fd)
self._gstElement.emit('connected')
def closeReader(self):
if self.fd is not None:
reactor.removeReader(self)
self.fd.close()
self.fd = None
self.iterator = None
return
def connectionMade(self):
sockFD = self.transport.fileno()
childFDs = {0: sockFD, 1: sockFD}
if self.factory.stderrFile:
childFDs[2] = self.factory.stderrFile.fileno()
# processes run by inetd expect blocking sockets
# FIXME: maybe this should be done in process.py? are other uses of
# Process possibly affected by this?
fdesc.setBlocking(sockFD)
if childFDs.has_key(2):
fdesc.setBlocking(childFDs[2])
service = self.factory.service
uid = service.user
gid = service.group
# don't tell Process to change our UID/GID if it's what we
# already are
if uid == os.getuid():
uid = None
if gid == os.getgid():
gid = None
process.Process(None, service.program, service.programArgs, os.environ,
None, None, uid, gid, childFDs)
reactor.removeReader(self.transport)
reactor.removeWriter(self.transport)
def close(self):
reactor.removeReader(self)
self.sock.setblocking(True)
self.sock.close()
self.sock = None
if self.address.lower() in SCOReader.clients:
del SCOReader.clients[self.address.lower()]
def connectionLost(self, reason):
self.socket.close()
# stop monitoring this socket
from twisted.internet import reactor
reactor.removeReader(self)
def close(self):
reactor.removeReader(self)
self.sock.setblocking(True)
self.sock.close()
self.sock = None
if self.address.lower() in SCOReader.clients:
del SCOReader.clients[self.address.lower()]
def shutdown(self):
print 'shutting down database listener'
reactor.removeReader(self)
self.conn.close()
self.conn = None
self.corker.stop()
self.corker = None
def _handleNewClient(self, request):
# everything fulfilled, serve to client
fdi = request.fdIncoming
if not self._writeHeaders(request):
self.debug("[fd %5d] not adding as a client" % fdi)
return
# take over the file descriptor from Twisted by removing them from
# the reactor
# spiv told us to remove* on request.transport, and that works
# then we figured out that a new request is only a Reader, so we
# remove the removedWriter - this is because we never write to the
# socket through twisted, only with direct os.write() calls from
# _writeHeaders.
# see http://twistedmatrix.com/trac/ticket/1796 for a guarantee
# that this is a supported way of stealing the socket
fd = fdi
self.debug("[fd %5d] taking away from Twisted" % fd)
reactor.removeReader(request.transport)
#reactor.removeWriter(request.transport)
# check if it's really an open fd (i.e. that twisted didn't close it
# before the removeReader() call)
try:
fcntl.fcntl(fd, fcntl.F_GETFL)
except IOError, e:
if e.errno == errno.EBADF:
self.warning("[fd %5d] is not actually open, ignoring" % fd)
else:
self.warning("[fd %5d] error during check: %s (%d)" % (
fd, e.strerror, e.errno))
return
def connectionMade(self):
sockFD = self.transport.fileno()
childFDs = {0: sockFD, 1: sockFD}
if self.factory.stderrFile:
childFDs[2] = self.factory.stderrFile.fileno()
# processes run by inetd expect blocking sockets
# FIXME: maybe this should be done in process.py? are other uses of
# Process possibly affected by this?
fdesc.setBlocking(sockFD)
if childFDs.has_key(2):
fdesc.setBlocking(childFDs[2])
service = self.factory.service
uid = service.user
gid = service.group
# don't tell Process to change our UID/GID if it's what we
# already are
if uid == os.getuid():
uid = None
if gid == os.getgid():
gid = None
process.Process(None, service.program, service.programArgs, os.environ,
None, None, uid, gid, childFDs)
reactor.removeReader(self.transport)
reactor.removeWriter(self.transport)
def connectionLost(self, reason):
self.sock.close()
from twisted.internet import reactor
reactor.removeReader(self)
reactor.stop()
def _handleNewClient(self, request):
# everything fulfilled, serve to client
fdi = request.fdIncoming
if not self._writeHeaders(request):
self.debug("[fd %5d] not adding as a client" % fdi)
return
# take over the file descriptor from Twisted by removing them from
# the reactor
# spiv told us to remove* on request.transport, and that works
# then we figured out that a new request is only a Reader, so we
# remove the removedWriter - this is because we never write to the
# socket through twisted, only with direct os.write() calls from
# _writeHeaders.
# see http://twistedmatrix.com/trac/ticket/1796 for a guarantee
# that this is a supported way of stealing the socket
fd = fdi
self.debug("[fd %5d] taking away from Twisted" % fd)
reactor.removeReader(request.transport)
#reactor.removeWriter(request.transport)
# check if it's really an open fd (i.e. that twisted didn't close it
# before the removeReader() call)
try:
fcntl.fcntl(fd, fcntl.F_GETFL)
except IOError, e:
if e.errno == errno.EBADF:
self.warning("[fd %5d] is not actually open, ignoring" % fd)
else:
self.warning("[fd %5d] error during check: %s (%d)" %
(fd, e.strerror, e.errno))
return
def _close(self): if self.fd is not None: fd = self.fd self.fd = None reactor.removeReader(self) fd.close() fd = None
def connectionLost(self, reason):
self.sock.close()
reactor.removeReader(self)
try:
reactor.stop()
except Exception:
pass
def connectionLost(self,reason):
self.sock.close()
reactor.removeReader(self)
for reader in reactor.getReaders():
if isinstance(reader,PoetrySocket):
return
reactor.stop()
def __del__(self):
""" If the object dies, remove the reader for the reactor
and clean up the fdesc if it's still open """
reactor.removeReader(self)
if hasattr(self, 'fdesc') and self.fdesc >= 0:
try:
os.close(self.fdesc)
except OSError:
pass
def SCO_Data(self, sock, lost=False):
if lost:
reactor.removeReader(self.sco_socket)
return
self.buffer += sock.recv(bluetooth.sco_mtu)
if len(self.buffer) >= 400:
from airi.stream import MultiPartStream
MultiPartStream.sendToClients(self.buffer,
mime="application/octet-stream")
self.buffer = ""
def connectionLost(self, reason):
self.sock.close()
# stop monitoring this socket
from twisted.internet import reactor
reactor.removeReader(self)
# see if there are any poetry sockets left
for reader in reactor.getReaders():
if isinstance(reader, PoetrySocket):
return
reactor.stop() # no more poetry
def release(self):
reactor.removeReader(self)
if hasattr(self, '_fd') and self._fd >= 0:
try:
os.close(self._fd)
except OSError:
pass
if hasattr(INotify, '_instance_'):
del INotify._instance_
def SCO_Data(self, sock, lost=False):
if lost:
reactor.removeReader(self.sco_socket)
return
self.buffer += sock.recv(bluetooth.sco_mtu)
if len(self.buffer) >= 400:
from airi.stream import MultiPartStream
MultiPartStream.sendToClients(self.buffer,
mime="application/octet-stream")
self.buffer = ""
def doRead(self): reactor.removeReader(self) try: fd = recvfd(self.fd)[0] except Exception as e: self._close() self.proc.got_no_fd(e) else: self._close() self.proc.got_fd(fd)
def connectionLost(self, reason):
self.sock.close()
from twisted.internet import reactor
reactor.removeReader(self)
for reader in reactor.getReaders():
if isinstance(reader, PoetrySocket):
return
reactor.stop()
def dataReceived(self, data):
"""
Overridden to stop trying to read data while outputting a response.
This stops netcat from quitting before it gets the output!
"""
reactor.removeReader(self.reader)
retval = LineOnlyReceiver.dataReceived(self, data)
reactor.getThreadPool().callInThreadWithCallback(
self.processLinesDone, self.processLines)
return retval
def dataReceived(self, data):
"""
Overridden to stop trying to read data while outputting a response.
This stops netcat from quitting before it gets the output!
"""
reactor.removeReader(self.reader)
retval = LineOnlyReceiver.dataReceived(self, data)
reactor.getThreadPool().callInThreadWithCallback(
self.processLinesDone, self.processLines)
return retval
def __del__(self):
reactor.removeReader(self)
if self.rd_fd >= 0:
try:
os.close(self.rd_fd)
except OSError:
pass
if self.wr_fd >= 0:
try:
os.close(self.wr_fd)
except OSError:
pass
def stopReading(self):
"""Remove this listener from the reactor."""
try:
reactor.removeReader(self)
except IOError as error:
# ENOENT here means that the fd has already been unregistered
# from the underlying poller. It is as yet unclear how we get
# into this state, so for now we ignore it. See epoll_ctl(2).
if error.errno != ENOENT:
raise
finally:
self.connectionFileno = None
def connectionLost(self, reason):
self.sock.close()
reactor.removeReader(self)
# see if there are any poetry sockets left
for reader in reactor.getReaders():
if isinstance(reader, RawSocket):
return
try:
reactor.stop() # no more poetry
except Exception:
pass
def release(self):
"""
Release the inotify file descriptor and do the necessary cleanup
"""
reactor.removeReader(self)
if hasattr(self, '_fd') and self._fd >= 0:
try:
os.close(self._fd)
except OSError:
pass
if hasattr(INotify, '_instance_'):
del INotify._instance_
def release(self):
"""
Release the inotify file descriptor and do the necessary cleanup
"""
reactor.removeReader(self)
if hasattr(self, '_fd') and self._fd >= 0:
try:
os.close(self._fd)
except OSError:
pass
if hasattr(INotify, '_instance_'):
del INotify._instance_
def connectionLost(self, reason):
self.sock.close()
# stop monitoring this socket
from twisted.internet import reactor
reactor.removeReader(self)
# see if there are any poetry sockets left
for reader in reactor.getReaders():
if isinstance(reader, PoetrySocket):
return
reactor.stop() # no more poetry
def socket_remove(id, condition=IO_READ):
"""
Removes the IRead/WriteDescriptor object with this socket from
the Twisted reactor.
"""
global __sockobjs
sockobj = __sockobjs[condition].get(id)
if sockobj:
if condition == IO_READ:
reactor.removeReader(sockobj)
elif condition == IO_WRITE:
reactor.removeWriter(sockobj)
del __sockobjs[condition][id]
def socket_remove(id, condition=IO_READ):
"""
Removes the IRead/WriteDescriptor object with this socket from
the Twisted reactor.
"""
global __sockobjs
sockobj = __sockobjs[condition].get(id)
if sockobj:
if condition == IO_READ:
reactor.removeReader(sockobj)
elif condition == IO_WRITE:
reactor.removeWriter(sockobj)
del __sockobjs[condition][id]
def connectionLost(self, reason=None):
self.sock.close()
# Stop monitoring this socket
from twisted.internet import reactor
print("Reactor no longer monitored: %s" % reason)
reactor.removeReader(self)
# See if there are any poetry sockets left
for reader in reactor.getReaders():
if isinstance(reader, PoetrySocket):
return
reactor.stop() # No more poetry
def set_mode(self, mode_name, refresh=False):
log.debug('Setting console mode: %s', mode_name)
mode = self.modes.get(mode_name, None)
if mode is None:
log.error('Non-existent mode requested: %s', mode_name)
return
self.stdscr.erase()
if self.active_mode:
self.active_mode.pause()
d = component.pause([self.active_mode.mode_name])
def on_mode_paused(result, mode, *args):
from deluge.ui.console.widgets.popup import PopupsHandler
if isinstance(mode, PopupsHandler):
if mode.popup is not None:
# If popups are not removed, they are still referenced in the memory
# which can cause issues as the popup's screen will not be destroyed.
# This can lead to the popup border being visible for short periods
# while the current modes' screen is repainted.
log.error(
'Mode "%s" still has popups available after being paused.'
' Ensure all popups are removed on pause!',
mode.popup.title,
)
d.addCallback(on_mode_paused, self.active_mode)
reactor.removeReader(self.active_mode)
self.active_mode = mode
self.statusbars.screen = self.active_mode
# The Screen object is designed to run as a twisted reader so that it
# can use twisted's select poll for non-blocking user input.
reactor.addReader(self.active_mode)
self.stdscr.clear()
if self.active_mode._component_state == 'Stopped':
component.start([self.active_mode.mode_name])
else:
component.resume([self.active_mode.mode_name])
mode.resume()
if refresh:
mode.refresh()
return mode
def forkPassingFD(exe, args, env, user, group, fdesc):
"""Run exe as a child process, passing fdesc as fd 0.
This will also make sure that fdesc is removed from the parent's reactor.
"""
# This is half-cannibalised from twisted.internet.process.Process
pid = os.fork()
if pid == 0: # Child
try:
# Close stdin/stdout (we keep stderr from the parent to report
# errors with)
for fd in range(2):
os.close(fd)
# Make the socket be fd 0
# (and fd 1, although I'm not sure if that matters)
os.dup(fdesc.fileno())
os.dup(fdesc.fileno())
# Close unused file descriptors
for fd in range(3, 256):
try: os.close(fd)
except: pass
# Set uid/gid
os.setgid(group)
os.setuid(user)
# Start the new process
os.execvpe(exe, args, env)
except:
# If anything goes wrong, just die.
stderr = os.fdopen(2, 'w')
stderr.write('Unable to spawn child:\n')
traceback.print_exc(file=stderr)
# Close the socket so the client doesn't think it's still
# connected to a server
try:
s = socket.fromfd(0, socket.AF_INET, socket.SOCK_STREAM)
s.shutdown(2)
except:
pass
os._exit(1)
else: # Parent
reactor.removeReader(fdesc)
reactor.removeWriter(fdesc)
def test_getReaders(self):
"""
Check that L{interfaces.IReactorFDSet.getReaders} reflects the actions
made with L{interfaces.IReactorFDSet.addReader} and
L{interfaces.IReactorFDSet.removeReader}.
"""
s = socket.socket()
self.addCleanup(s.close)
c = Connection(s, protocol.Protocol())
self.assertNotIn(c, reactor.getReaders())
reactor.addReader(c)
self.assertIn(c, reactor.getReaders())
reactor.removeReader(c)
self.assertNotIn(c, reactor.getReaders())
def test_getReaders(self):
"""
Check that L{interfaces.IReactorFDSet.getReaders} reflects the actions
made with L{interfaces.IReactorFDSet.addReader} and
L{interfaces.IReactorFDSet.removeReader}.
"""
s = socket.socket()
self.addCleanup(s.close)
c = Connection(s, protocol.Protocol())
self.assertNotIn(c, reactor.getReaders())
reactor.addReader(c)
self.assertIn(c, reactor.getReaders())
reactor.removeReader(c)
self.assertNotIn(c, reactor.getReaders())
def set_mode(self, mode_name, refresh=False):
log.debug('Setting console mode: %s', mode_name)
mode = self.modes.get(mode_name, None)
if mode is None:
log.error('Non-existent mode requested: %s', mode_name)
return
self.stdscr.erase()
if self.active_mode:
self.active_mode.pause()
d = component.pause([self.active_mode.mode_name])
def on_mode_paused(result, mode, *args):
from deluge.ui.console.widgets.popup import PopupsHandler
if isinstance(mode, PopupsHandler):
if mode.popup is not None:
# If popups are not removed, they are still referenced in the memory
# which can cause issues as the popup's screen will not be destroyed.
# This can lead to the popup border being visible for short periods
# while the current modes' screen is repainted.
log.error('Mode "%s" still has popups available after being paused.'
' Ensure all popups are removed on pause!', mode.popup.title)
d.addCallback(on_mode_paused, self.active_mode)
reactor.removeReader(self.active_mode)
self.active_mode = mode
self.statusbars.screen = self.active_mode
# The Screen object is designed to run as a twisted reader so that it
# can use twisted's select poll for non-blocking user input.
reactor.addReader(self.active_mode)
self.stdscr.clear()
if self.active_mode._component_state == 'Stopped':
component.start([self.active_mode.mode_name])
else:
component.resume([self.active_mode.mode_name])
mode.resume()
if refresh:
mode.refresh()
return mode
def startFeed(self, request):
fdi = request.fdIncoming
fd = request.transport.fileno()
self._request[fd] = request
print("2--> reached startFeed {0}".format(fd))
if self._writeHeaders(request):
print "4--> removing reader"
reactor.removeReader(request.transport)
else:
print "removeReader error"
return
try:
fcntl.fcntl(fd, fcntl.F_GETFL)
except IOError:
print "fcntl error"
return
self.streamer.add_client(fd)
def connectionLost(self, reason):
# Called when the connection is lost
# This is called when the connection on a selectable object has been
# lost. It will be called whether the connection was closed explicitly,
# an exception occurred in an event handler, or the other end of the
# connection closed it first.
self.sock.close() # Close the socket and its associated file descriptor
# stop monitoring this socket
from twisted.internet import reactor
reactor.removeReader(self) # Remove this object from the monitored reader FDs
# see if there are any poetry sockets left
for reader in reactor.getReaders():
if isinstance(reader, PoetrySocket):
return
reactor.stop() # no more readers, no more poetry
def startFeed(self,request):
fdi = request.fdIncoming
fd = request.transport.fileno()
self._request[fd] = request
print("2--> reached startFeed {0}".format(fd))
if self._writeHeaders(request):
print "4--> removing reader"
reactor.removeReader(request.transport)
else:
print "removeReader error"
return
try:
fcntl.fcntl(fd,fcntl.F_GETFL)
except IOError:
print "fcntl error"
return
self.streamer.add_client(fd)
def updateReactor():
"Add/remove event handlers for SNMP file descriptors and timers"
fds, t = netsnmp.snmp_select_info()
if log.getEffectiveLevel() < logging.DEBUG:
log.debug('reactor settings: %r, %r', fds, t)
for fd in fds:
if fd not in fdMap:
reader = SnmpReader(fd)
fdMap[fd] = reader
reactor.addReader(reader)
current = set(fdMap.keys())
need = set(fds)
doomed = current - need
for d in doomed:
reactor.removeReader(fdMap[d])
del fdMap[d]
if timer.callLater:
timer.callLater.cancel()
timer.callLater = None
if t is not None:
timer.callLater = reactor.callLater(t, checkTimeouts)
def updateReactor():
"Add/remove event handlers for SNMP file descriptors and timers"
fds, t = netsnmp.snmp_select_info()
if log.getEffectiveLevel() < logging.DEBUG:
log.debug('reactor settings: %r, %r', fds, t)
for fd in fds:
if fd not in fdMap:
reader = SnmpReader(fd)
fdMap[fd] = reader
reactor.addReader(reader)
current = set(fdMap.keys())
need = set(fds)
doomed = current - need
for d in doomed:
reactor.removeReader(fdMap[d])
del fdMap[d]
if timer.callLater:
timer.callLater.cancel()
timer.callLater = None
if t is not None:
timer.callLater = reactor.callLater(t, checkTimeouts)
def stop_reading(self):
"""Unregister with the Twisted reactor."""
reactor.removeReader(self)
def pauseProducing(self):
reactor.removeReader(self)
def closeReader(self): if self.fd is not None: reactor.removeReader(self) self.fd.close() self.fd = None self.iterator = None
def destroy(self):
'''Convenience, not in twisted classes.'''
TIreactor.removeReader(self)
self.loseConnection()
def shutdown(self):
reactor.removeReader(self)
self.socket.close()
def set_mode(self, mode):
reactor.removeReader(self.screen)
self.screen = mode
self.statusbars.screen = self.screen
reactor.addReader(self.screen)
mode.refresh()
def remove(self, descriptor):
from twisted.internet import reactor
reactor.removeReader(descriptor)
reactor.removeWriter(descriptor)
def disableSCO(self):
if not self.sco_socket:
return
self.sco_socket.close()
reactor.removeReader(self.sco_socket)
self.sco_socket = None
def stop(self):
if self.__fd is not None:
from twisted.internet import reactor
reactor.removeReader(self)
self.__fd.close()
self.__fd = None
def close(self):
print "Closing descriptor."
reactor.removeReader(self)
self.pcap.open_dead(0, 0)
self.pcap = None
self.parent = None
def connectionLost(self, unused):
reactor.removeReader(self)
self._protocol.close()
def doRead(self):
c= self.stdscr.getch()
if self.state == 0:
if c == curses.KEY_DOWN:
if self.current_connection >= self.displayed_connections:
self.current_connection = 0
else:
self.current_connection = self.current_connection + 1
self.show()
elif c == curses.KEY_UP:
if self.current_connection == 0:
self.current_connection = self.displayed_connections
else:
self.current_connection = self.current_connection - 1
self.show()
elif c == curses.KEY_ENTER or c == 10:
# if new connection, ask for username, password, hostname etc.
if self.current_connection == self.displayed_connections:
curses.curs_set(1)
self.current_input = self.inputs[1]
self.state = 1
self.display_current_input_line()
else:
# ok a recent connection has been selected
curses.curs_set(1)
c = self.connections[self.current_connection]
info = c.info
reactor.removeReader(self)
connection.connect_to_manager(self.stdscr, info)
else:
if c == curses.KEY_ENTER or c == 10:
if self.state < 6:
self.inputs[self.state] = self.current_input
if self.state < 5:
self.current_input = self.inputs[self.state+1]
self.state = self.state + 1
self.display_current_input_line()
else:
# connect
reactor.removeReader(self)
try:
port = int(self.inputs[2])
except ValueError:
port = 7531
info = PBConnectionInfo(self.inputs[1], port,
self.inputs[3] == 'Yes', fpb.Authenticator(
username=self.inputs[4], password=self.inputs[5]))
connection.connect_to_manager(self.stdscr, info)
pass
elif c == curses.KEY_BACKSPACE or c == 127:
self.current_input = self.current_input[:-1]
self.display_current_input_line()
elif c == curses.KEY_UP:
if self.state > 0:
self.current_input = self.inputs[self.state-1]
self.state = self.state - 1
if self.state == 0:
# turn off cursor
curses.curs_set(0)
self.display_current_input_line()
elif c == curses.KEY_DOWN:
pass
else:
self.current_input = self.current_input + chr(c)
self.display_current_input_line()
def connectionLost(self, reason):
reactor.removeReader(self)
def doRead(self):
c = self.stdscr.getch()
if self.state == 0:
if c == curses.KEY_DOWN:
if self.current_connection >= self.displayed_connections:
self.current_connection = 0
else:
self.current_connection = self.current_connection + 1
self.show()
elif c == curses.KEY_UP:
if self.current_connection == 0:
self.current_connection = self.displayed_connections
else:
self.current_connection = self.current_connection - 1
self.show()
elif c == curses.KEY_ENTER or c == 10:
# if new connection, ask for username, password, hostname etc.
if self.current_connection == self.displayed_connections:
curses.curs_set(1)
self.current_input = self.inputs[1]
self.state = 1
self.display_current_input_line()
else:
# ok a recent connection has been selected
curses.curs_set(1)
c = self.connections[self.current_connection]
info = c.info
reactor.removeReader(self)
connection.connect_to_manager(self.stdscr, info)
else:
if c == curses.KEY_ENTER or c == 10:
if self.state < 6:
self.inputs[self.state] = self.current_input
if self.state < 5:
self.current_input = self.inputs[self.state + 1]
self.state = self.state + 1
self.display_current_input_line()
else:
# connect
reactor.removeReader(self)
try:
port = int(self.inputs[2])
except ValueError:
port = 7531
info = PBConnectionInfo(
self.inputs[1], port, self.inputs[3] == 'Yes',
fpb.Authenticator(username=self.inputs[4],
password=self.inputs[5]))
connection.connect_to_manager(self.stdscr, info)
pass
elif c == curses.KEY_BACKSPACE or c == 127:
self.current_input = self.current_input[:-1]
self.display_current_input_line()
elif c == curses.KEY_UP:
if self.state > 0:
self.current_input = self.inputs[self.state - 1]
self.state = self.state - 1
if self.state == 0:
# turn off cursor
curses.curs_set(0)
self.display_current_input_line()
elif c == curses.KEY_DOWN:
pass
else:
self.current_input = self.current_input + chr(c)
self.display_current_input_line()
def pauseProducing(self):
log.msg("pauseProducing")
reactor.removeReader(self)
