Python wait_for_writeable Beispiele

Beispiel #1

Datei: tcp.py Projekt: j4cbo/chiral

	def send(self, data):
		"""
		Send data, and return the number of bytes actually sent.

		This behaves analogously to the ``send`` system call. Note that ``send``
		does not guarantee that all of ``data`` will actually be sent; in most cases,
		sendall() should be used instead.
		"""
		while True:
			# Try writing the data.
			try:
				res = self.remote_sock.send(data)
			except socket.error, exc:
				# If we would have blocked, try again later.
				if exc[0] not in _AGAIN:
					raise exc
			else:
				raise StopIteration(res)

			yield reactor.wait_for_writeable(self.remote_sock)

Beispiel #2

Datei: tcp.py Projekt: j4cbo/chiral

			# We don't have the sendfile() system call available, so just do the
			# read and write ourselves.
			# XXX: This should respect offset, and not suck.
			data = infile.read(length)
			yield self.sendall(data)
			return

		try:
			res = sendfile(self.remote_sock.fileno(), infile.fileno(), offset, length)
		except OSError, exc:
			if exc.errno in (errno.EPIPE, errno.EBADF):
				raise ConnectionClosedException()
			elif exc.errno not in _AGAIN:
				raise exc

		yield reactor.wait_for_writeable(self.remote_sock)

		try:
			res = sendfile(self.remote_sock.fileno(), infile.fileno(), offset, length)
		except OSError, exc:
			if exc.errno in (errno.EPIPE, errno.EBADF):
				raise ConnectionClosedException()
			else:
				raise exc

		raise StopIteration(res[1])


	@coroutine.as_coro
	def connect(self):
		"""