def _ready_write(self):
# Do the actual writing
buffer = self._write_buffer
tot_bytes = 0
if self._paused_writing:
return tot_bytes
if not buffer:
self.logger.warning('handling write on a 0 length buffer')
try:
while buffer:
try:
sent = self._sock.send(buffer[0])
if sent == 0:
break
merge_prefix(buffer, sent)
buffer.popleft()
tot_bytes += sent
except self.SocketError as e:
if self._write_continue(e):
break
else:
raise
except Exception:
failure = sys.exc_info()
else:
if not self._write_buffer:
self._event_loop.remove_writer(self._sock_fd)
if self._closing:
self._event_loop.call_soon(self._shutdown)
return tot_bytes
if not self._closing:
self.abort(failure)
def _handle_write(self):
# keep count how many bytes we write
tot_bytes = 0
while self._write_buffer:
try:
sent = self.sock.send(self._write_buffer[0])
if sent == 0:
# With OpenSSL, after send returns EWOULDBLOCK,
# the very same string object must be used on the
# next call to send. Therefore we suppress
# merging the write buffer after an EWOULDBLOCK.
# A cleaner solution would be to set
# SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER, but this is
# not yet accessible from python
# (http://bugs.python.org/issue8240)
break
merge_prefix(self._write_buffer, sent)
self._write_buffer.popleft()
tot_bytes += sent
except socket.error as e:
if async_error(e):
break
else:
LOGGER.warning("Write error on %s: %s", self, e)
self.close()
return
if not self._write_buffer and self._write_callback:
callback = self._write_callback
self._write_callback = None
self._may_run_callback(callback, tot_bytes)
return tot_bytes
def _ready_write(self):
# Do the actual writing
buffer = self._write_buffer
tot_bytes = 0
if not buffer:
self.logger.warning('handling write on a 0 length buffer')
try:
while buffer:
try:
sent = self._sock.send(buffer[0])
if sent == 0:
break
merge_prefix(buffer, sent)
buffer.popleft()
tot_bytes += sent
except self.SocketError as e:
if self._write_continue(e):
break
else:
raise
except Exception:
failure = sys.exc_info()
else:
if not self._write_buffer:
self._event_loop.remove_writer(self._sock_fd)
if self._closing:
self._event_loop.call_soon(self._shutdown)
return tot_bytes
if not self._closing:
self.abort(failure)
def test_merge_prefix(self):
d = deque([b'abc', b'de', b'fghi', b'j'])
merge_prefix(d, 5)
self.assertEqual(d, deque([b'abcde', b'fghi', b'j']))
d = deque([b'abc', b'de', b'fghi', b'j'])
merge_prefix(d, 4)
self.assertEqual(d, deque([b'abcd', b'e', b'fghi', b'j']))
merge_prefix(d, 7)
self.assertEqual(d, deque([b'abcdefg', b'hi', b'j']))
merge_prefix(d, 3)
self.assertEqual(d, deque([b'abc', b'defg', b'hi', b'j']))
merge_prefix(d, 100)
self.assertEqual(d, deque([b'abcdefghij']))
def test_merge_prefix(self):
d = deque([b'abc', b'de', b'fghi', b'j'])
merge_prefix(d, 5)
self.assertEqual(d, deque([b'abcde', b'fghi', b'j']))
d = deque([b'abc', b'de', b'fghi', b'j'])
merge_prefix(d, 4)
self.assertEqual(d, deque([b'abcd', b'e', b'fghi', b'j']))
merge_prefix(d, 7)
self.assertEqual(d, deque([b'abcdefg', b'hi', b'j']))
merge_prefix(d, 3)
self.assertEqual(d, deque([b'abc', b'defg', b'hi', b'j']))
merge_prefix(d, 100)
self.assertEqual(d, deque([b'abcdefghij']))