Python tornado.ioloop.IOLoop.WRITE Examples
The following are 30
code examples of tornado.ioloop.IOLoop.WRITE().
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Example #1
Source File: asyncio.py From teleport with Apache License 2.0 | 6 votes |
def update_handler(self, fd, events): fd, fileobj = self.split_fd(fd) if events & IOLoop.READ: if fd not in self.readers: self.asyncio_loop.add_reader( fd, self._handle_events, fd, IOLoop.READ) self.readers.add(fd) else: if fd in self.readers: self.asyncio_loop.remove_reader(fd) self.readers.remove(fd) if events & IOLoop.WRITE: if fd not in self.writers: self.asyncio_loop.add_writer( fd, self._handle_events, fd, IOLoop.WRITE) self.writers.add(fd) else: if fd in self.writers: self.asyncio_loop.remove_writer(fd) self.writers.remove(fd)
Example #2
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 #3
Source File: asyncio.py From tornado-zh with MIT License | 6 votes |
def update_handler(self, fd, events): fd, fileobj = self.split_fd(fd) if events & IOLoop.READ: if fd not in self.readers: self.asyncio_loop.add_reader( fd, self._handle_events, fd, IOLoop.READ) self.readers.add(fd) else: if fd in self.readers: self.asyncio_loop.remove_reader(fd) self.readers.remove(fd) if events & IOLoop.WRITE: if fd not in self.writers: self.asyncio_loop.add_writer( fd, self._handle_events, fd, IOLoop.WRITE) self.writers.add(fd) else: if fd in self.writers: self.asyncio_loop.remove_writer(fd) self.writers.remove(fd)
Example #4
Source File: kqueue.py From tornado-zh with MIT License | 6 votes |
def poll(self, timeout): kevents = self._kqueue.control(None, 1000, timeout) events = {} for kevent in kevents: fd = kevent.ident if kevent.filter == select.KQ_FILTER_READ: events[fd] = events.get(fd, 0) | IOLoop.READ if kevent.filter == select.KQ_FILTER_WRITE: if kevent.flags & select.KQ_EV_EOF: # If an asynchronous connection is refused, kqueue # returns a write event with the EOF flag set. # Turn this into an error for consistency with the # other IOLoop implementations. # Note that for read events, EOF may be returned before # all data has been consumed from the socket buffer, # so we only check for EOF on write events. events[fd] = IOLoop.ERROR else: events[fd] = events.get(fd, 0) | IOLoop.WRITE if kevent.flags & select.KQ_EV_ERROR: events[fd] = events.get(fd, 0) | IOLoop.ERROR return events.items()
Example #5
Source File: asyncio.py From teleport with Apache License 2.0 | 6 votes |
def update_handler(self, fd: Union[int, _Selectable], events: int) -> None: fd, fileobj = self.split_fd(fd) if events & IOLoop.READ: if fd not in self.readers: self.asyncio_loop.add_reader(fd, self._handle_events, fd, IOLoop.READ) self.readers.add(fd) else: if fd in self.readers: self.asyncio_loop.remove_reader(fd) self.readers.remove(fd) if events & IOLoop.WRITE: if fd not in self.writers: self.asyncio_loop.add_writer(fd, self._handle_events, fd, IOLoop.WRITE) self.writers.add(fd) else: if fd in self.writers: self.asyncio_loop.remove_writer(fd) self.writers.remove(fd)
Example #6
Source File: twisted.py From viewfinder with Apache License 2.0 | 6 votes |
def addReader(self, reader): """Add a FileDescriptor for notification of data available to read.""" if reader in self._readers: # Don't add the reader if it's already there return fd = reader.fileno() self._readers[reader] = fd if fd in self._fds: (_, writer) = self._fds[fd] self._fds[fd] = (reader, writer) if writer: # We already registered this fd for write events, # update it for read events as well. self._io_loop.update_handler(fd, IOLoop.READ | IOLoop.WRITE) else: with NullContext(): self._fds[fd] = (reader, None) self._io_loop.add_handler(fd, self._invoke_callback, IOLoop.READ)
Example #7
Source File: twisted.py From viewfinder with Apache License 2.0 | 6 votes |
def removeReader(self, reader): """Remove a Selectable for notification of data available to read.""" if reader in self._readers: fd = self._readers.pop(reader) (_, writer) = self._fds[fd] if writer: # We have a writer so we need to update the IOLoop for # write events only. self._fds[fd] = (None, writer) self._io_loop.update_handler(fd, IOLoop.WRITE) else: # Since we have no writer registered, we remove the # entry from _fds and unregister the handler from the # IOLoop del self._fds[fd] self._io_loop.remove_handler(fd)
Example #8
Source File: twisted.py From tornado-zh with MIT License | 6 votes |
def update_handler(self, fd, events): fd, fileobj = self.split_fd(fd) if events & tornado.ioloop.IOLoop.READ: if not self.fds[fd].reading: self.fds[fd].reading = True self.reactor.addReader(self.fds[fd]) else: if self.fds[fd].reading: self.fds[fd].reading = False self.reactor.removeReader(self.fds[fd]) if events & tornado.ioloop.IOLoop.WRITE: if not self.fds[fd].writing: self.fds[fd].writing = True self.reactor.addWriter(self.fds[fd]) else: if self.fds[fd].writing: self.fds[fd].writing = False self.reactor.removeWriter(self.fds[fd])
Example #9
Source File: twisted.py From viewfinder with Apache License 2.0 | 6 votes |
def addWriter(self, writer): """Add a FileDescriptor for notification of data available to write.""" if writer in self._writers: return fd = writer.fileno() self._writers[writer] = fd if fd in self._fds: (reader, _) = self._fds[fd] self._fds[fd] = (reader, writer) if reader: # We already registered this fd for read events, # update it for write events as well. self._io_loop.update_handler(fd, IOLoop.READ | IOLoop.WRITE) else: with NullContext(): self._fds[fd] = (None, writer) self._io_loop.add_handler(fd, self._invoke_callback, IOLoop.WRITE)
Example #10
Source File: twisted.py From viewfinder with Apache License 2.0 | 6 votes |
def update_handler(self, fd, events): if events & tornado.ioloop.IOLoop.READ: if not self.fds[fd].reading: self.fds[fd].reading = True self.reactor.addReader(self.fds[fd]) else: if self.fds[fd].reading: self.fds[fd].reading = False self.reactor.removeReader(self.fds[fd]) if events & tornado.ioloop.IOLoop.WRITE: if not self.fds[fd].writing: self.fds[fd].writing = True self.reactor.addWriter(self.fds[fd]) else: if self.fds[fd].writing: self.fds[fd].writing = False self.reactor.removeWriter(self.fds[fd])
Example #11
Source File: twisted.py From tornado-zh with MIT License | 6 votes |
def addWriter(self, writer): if writer in self._writers: return fd = writer.fileno() self._writers[writer] = fd if fd in self._fds: (reader, _) = self._fds[fd] self._fds[fd] = (reader, writer) if reader: # We already registered this fd for read events, # update it for write events as well. self._io_loop.update_handler(fd, IOLoop.READ | IOLoop.WRITE) else: with NullContext(): self._fds[fd] = (None, writer) self._io_loop.add_handler(fd, self._invoke_callback, IOLoop.WRITE)
Example #12
Source File: twisted.py From tornado-zh with MIT License | 6 votes |
def addReader(self, reader): if reader in self._readers: # Don't add the reader if it's already there return fd = reader.fileno() self._readers[reader] = fd if fd in self._fds: (_, writer) = self._fds[fd] self._fds[fd] = (reader, writer) if writer: # We already registered this fd for write events, # update it for read events as well. self._io_loop.update_handler(fd, IOLoop.READ | IOLoop.WRITE) else: with NullContext(): self._fds[fd] = (reader, None) self._io_loop.add_handler(fd, self._invoke_callback, IOLoop.READ)
Example #13
Source File: twisted.py From pySINDy with MIT License | 6 votes |
def addReader(self, reader): if reader in self._readers: # Don't add the reader if it's already there return fd = reader.fileno() self._readers[reader] = fd if fd in self._fds: (_, writer) = self._fds[fd] self._fds[fd] = (reader, writer) if writer: # We already registered this fd for write events, # update it for read events as well. self._io_loop.update_handler(fd, IOLoop.READ | IOLoop.WRITE) else: with NullContext(): self._fds[fd] = (reader, None) self._io_loop.add_handler(fd, self._invoke_callback, IOLoop.READ)
Example #14
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 #15
Source File: twisted.py From tornado-zh with MIT License | 6 votes |
def addWriter(self, writer): if writer in self._writers: return fd = writer.fileno() self._writers[writer] = fd if fd in self._fds: (reader, _) = self._fds[fd] self._fds[fd] = (reader, writer) if reader: # We already registered this fd for read events, # update it for write events as well. self._io_loop.update_handler(fd, IOLoop.READ | IOLoop.WRITE) else: with NullContext(): self._fds[fd] = (None, writer) self._io_loop.add_handler(fd, self._invoke_callback, IOLoop.WRITE)
Example #16
Source File: twisted.py From viewfinder with Apache License 2.0 | 6 votes |
def addReader(self, reader): """Add a FileDescriptor for notification of data available to read.""" if reader in self._readers: # Don't add the reader if it's already there return fd = reader.fileno() self._readers[reader] = fd if fd in self._fds: (_, writer) = self._fds[fd] self._fds[fd] = (reader, writer) if writer: # We already registered this fd for write events, # update it for read events as well. self._io_loop.update_handler(fd, IOLoop.READ | IOLoop.WRITE) else: with NullContext(): self._fds[fd] = (reader, None) self._io_loop.add_handler(fd, self._invoke_callback, IOLoop.READ)
Example #17
Source File: twisted.py From teleport with Apache License 2.0 | 6 votes |
def update_handler(self, fd, events): fd, fileobj = self.split_fd(fd) if events & tornado.ioloop.IOLoop.READ: if not self.fds[fd].reading: self.fds[fd].reading = True self.reactor.addReader(self.fds[fd]) else: if self.fds[fd].reading: self.fds[fd].reading = False self.reactor.removeReader(self.fds[fd]) if events & tornado.ioloop.IOLoop.WRITE: if not self.fds[fd].writing: self.fds[fd].writing = True self.reactor.addWriter(self.fds[fd]) else: if self.fds[fd].writing: self.fds[fd].writing = False self.reactor.removeWriter(self.fds[fd])
Example #18
Source File: asyncio.py From teleport with Apache License 2.0 | 6 votes |
def update_handler(self, fd: Union[int, _Selectable], events: int) -> None: fd, fileobj = self.split_fd(fd) if events & IOLoop.READ: if fd not in self.readers: self.asyncio_loop.add_reader(fd, self._handle_events, fd, IOLoop.READ) self.readers.add(fd) else: if fd in self.readers: self.asyncio_loop.remove_reader(fd) self.readers.remove(fd) if events & IOLoop.WRITE: if fd not in self.writers: self.asyncio_loop.add_writer(fd, self._handle_events, fd, IOLoop.WRITE) self.writers.add(fd) else: if fd in self.writers: self.asyncio_loop.remove_writer(fd) self.writers.remove(fd)
Example #19
Source File: asyncio.py From tornado-zh with MIT License | 6 votes |
def add_handler(self, fd, handler, events): fd, fileobj = self.split_fd(fd) if fd in self.handlers: raise ValueError("fd %s added twice" % fd) self.handlers[fd] = (fileobj, stack_context.wrap(handler)) if events & IOLoop.READ: self.asyncio_loop.add_reader( fd, self._handle_events, fd, IOLoop.READ) self.readers.add(fd) if events & IOLoop.WRITE: self.asyncio_loop.add_writer( fd, self._handle_events, fd, IOLoop.WRITE) self.writers.add(fd)
Example #20
Source File: asyncio.py From tornado-zh with MIT License | 6 votes |
def update_handler(self, fd, events): fd, fileobj = self.split_fd(fd) if events & IOLoop.READ: if fd not in self.readers: self.asyncio_loop.add_reader( fd, self._handle_events, fd, IOLoop.READ) self.readers.add(fd) else: if fd in self.readers: self.asyncio_loop.remove_reader(fd) self.readers.remove(fd) if events & IOLoop.WRITE: if fd not in self.writers: self.asyncio_loop.add_writer( fd, self._handle_events, fd, IOLoop.WRITE) self.writers.add(fd) else: if fd in self.writers: self.asyncio_loop.remove_writer(fd) self.writers.remove(fd)
Example #21
Source File: twisted.py From viewfinder with Apache License 2.0 | 6 votes |
def update_handler(self, fd, events): if events & tornado.ioloop.IOLoop.READ: if not self.fds[fd].reading: self.fds[fd].reading = True self.reactor.addReader(self.fds[fd]) else: if self.fds[fd].reading: self.fds[fd].reading = False self.reactor.removeReader(self.fds[fd]) if events & tornado.ioloop.IOLoop.WRITE: if not self.fds[fd].writing: self.fds[fd].writing = True self.reactor.addWriter(self.fds[fd]) else: if self.fds[fd].writing: self.fds[fd].writing = False self.reactor.removeWriter(self.fds[fd])
Example #22
Source File: kqueue.py From tornado-zh with MIT License | 6 votes |
def poll(self, timeout): kevents = self._kqueue.control(None, 1000, timeout) events = {} for kevent in kevents: fd = kevent.ident if kevent.filter == select.KQ_FILTER_READ: events[fd] = events.get(fd, 0) | IOLoop.READ if kevent.filter == select.KQ_FILTER_WRITE: if kevent.flags & select.KQ_EV_EOF: # If an asynchronous connection is refused, kqueue # returns a write event with the EOF flag set. # Turn this into an error for consistency with the # other IOLoop implementations. # Note that for read events, EOF may be returned before # all data has been consumed from the socket buffer, # so we only check for EOF on write events. events[fd] = IOLoop.ERROR else: events[fd] = events.get(fd, 0) | IOLoop.WRITE if kevent.flags & select.KQ_EV_ERROR: events[fd] = events.get(fd, 0) | IOLoop.ERROR return events.items()
Example #23
Source File: twisted.py From teleport with Apache License 2.0 | 6 votes |
def addReader(self, reader): if reader in self._readers: # Don't add the reader if it's already there return fd = reader.fileno() self._readers[reader] = fd if fd in self._fds: (_, writer) = self._fds[fd] self._fds[fd] = (reader, writer) if writer: # We already registered this fd for write events, # update it for read events as well. self._io_loop.update_handler(fd, IOLoop.READ | IOLoop.WRITE) else: with NullContext(): self._fds[fd] = (reader, None) self._io_loop.add_handler(fd, self._invoke_callback, IOLoop.READ)
Example #24
Source File: kqueue.py From viewfinder with Apache License 2.0 | 6 votes |
def poll(self, timeout): kevents = self._kqueue.control(None, 1000, timeout) events = {} for kevent in kevents: fd = kevent.ident if kevent.filter == select.KQ_FILTER_READ: events[fd] = events.get(fd, 0) | IOLoop.READ if kevent.filter == select.KQ_FILTER_WRITE: if kevent.flags & select.KQ_EV_EOF: # If an asynchronous connection is refused, kqueue # returns a write event with the EOF flag set. # Turn this into an error for consistency with the # other IOLoop implementations. # Note that for read events, EOF may be returned before # all data has been consumed from the socket buffer, # so we only check for EOF on write events. events[fd] = IOLoop.ERROR else: events[fd] = events.get(fd, 0) | IOLoop.WRITE if kevent.flags & select.KQ_EV_ERROR: events[fd] = events.get(fd, 0) | IOLoop.ERROR return events.items()
Example #25
Source File: twisted.py From teleport with Apache License 2.0 | 6 votes |
def addWriter(self, writer): if writer in self._writers: return fd = writer.fileno() self._writers[writer] = fd if fd in self._fds: (reader, _) = self._fds[fd] self._fds[fd] = (reader, writer) if reader: # We already registered this fd for read events, # update it for write events as well. self._io_loop.update_handler(fd, IOLoop.READ | IOLoop.WRITE) else: with NullContext(): self._fds[fd] = (None, writer) self._io_loop.add_handler(fd, self._invoke_callback, IOLoop.WRITE)
Example #26
Source File: kqueue.py From teleport with Apache License 2.0 | 6 votes |
def poll(self, timeout): kevents = self._kqueue.control(None, 1000, timeout) events = {} for kevent in kevents: fd = kevent.ident if kevent.filter == select.KQ_FILTER_READ: events[fd] = events.get(fd, 0) | IOLoop.READ if kevent.filter == select.KQ_FILTER_WRITE: if kevent.flags & select.KQ_EV_EOF: # If an asynchronous connection is refused, kqueue # returns a write event with the EOF flag set. # Turn this into an error for consistency with the # other IOLoop implementations. # Note that for read events, EOF may be returned before # all data has been consumed from the socket buffer, # so we only check for EOF on write events. events[fd] = IOLoop.ERROR else: events[fd] = events.get(fd, 0) | IOLoop.WRITE if kevent.flags & select.KQ_EV_ERROR: events[fd] = events.get(fd, 0) | IOLoop.ERROR return events.items()
Example #27
Source File: asyncio.py From opendevops with GNU General Public License v3.0 | 6 votes |
def update_handler(self, fd: Union[int, _Selectable], events: int) -> None: fd, fileobj = self.split_fd(fd) if events & IOLoop.READ: if fd not in self.readers: self.asyncio_loop.add_reader(fd, self._handle_events, fd, IOLoop.READ) self.readers.add(fd) else: if fd in self.readers: self.asyncio_loop.remove_reader(fd) self.readers.remove(fd) if events & IOLoop.WRITE: if fd not in self.writers: self.asyncio_loop.add_writer(fd, self._handle_events, fd, IOLoop.WRITE) self.writers.add(fd) else: if fd in self.writers: self.asyncio_loop.remove_writer(fd) self.writers.remove(fd)
Example #28
Source File: twisted.py From tornado-zh with MIT License | 6 votes |
def addReader(self, reader): if reader in self._readers: # Don't add the reader if it's already there return fd = reader.fileno() self._readers[reader] = fd if fd in self._fds: (_, writer) = self._fds[fd] self._fds[fd] = (reader, writer) if writer: # We already registered this fd for write events, # update it for read events as well. self._io_loop.update_handler(fd, IOLoop.READ | IOLoop.WRITE) else: with NullContext(): self._fds[fd] = (reader, None) self._io_loop.add_handler(fd, self._invoke_callback, IOLoop.READ)
Example #29
Source File: select.py From viewfinder with Apache License 2.0 | 5 votes |
def poll(self, timeout): readable, writeable, errors = select.select( self.read_fds, self.write_fds, self.error_fds, timeout) events = {} for fd in readable: events[fd] = events.get(fd, 0) | IOLoop.READ for fd in writeable: events[fd] = events.get(fd, 0) | IOLoop.WRITE for fd in errors: events[fd] = events.get(fd, 0) | IOLoop.ERROR return events.items()
Example #30
Source File: twisted.py From teleport with Apache License 2.0 | 5 votes |
def doWrite(self): if not self.lost: self.handler(self.fileobj, tornado.ioloop.IOLoop.WRITE)