def write(self, buf, end=None):
pos = buf.tell()
if end is None:
buf.seek(0, os.SEEK_END)
end = buf.tell()
buf.seek(pos)
limit = end - pos
if limit == 0:
return True
if self.use_sendfile and not isinstance(buf,
(BytesIO, ReadOnlyFileBuffer)):
try:
sent = sendfile_to_socket_async(buf, pos, limit, self.socket)
except CannotSendfile:
self.use_sendfile = False
return False
except SendfileInterrupted:
return False
except IOError as e:
if e.errno in socket_errors_socket_closed:
self.ready = self.use_sendfile = False
return False
raise
finally:
self.last_activity = monotonic()
if sent == 0:
# Something bad happened, was the file modified on disk by
# another process?
self.use_sendfile = self.ready = False
raise IOError(
'sendfile() failed to write any bytes to the socket')
else:
sent = self.send(buf.read(min(limit, self.send_bufsize)))
buf.seek(pos + sent)
return buf.tell() == end
def write(self, buf, end=None):
pos = buf.tell()
if end is None:
buf.seek(0, os.SEEK_END)
end = buf.tell()
buf.seek(pos)
limit = end - pos
if limit == 0:
return True
if self.use_sendfile and not isinstance(buf, (BytesIO, ReadOnlyFileBuffer)):
try:
sent = sendfile_to_socket_async(buf, pos, limit, self.socket)
except CannotSendfile:
self.use_sendfile = False
return False
except SendfileInterrupted:
return False
except IOError as e:
if e.errno in socket_errors_socket_closed:
self.ready = self.use_sendfile = False
return False
raise
finally:
self.last_activity = monotonic()
if sent == 0:
# Something bad happened, was the file modified on disk by
# another process?
self.use_sendfile = self.ready = False
raise IOError('sendfile() failed to write any bytes to the socket')
else:
sent = self.send(buf.read(min(limit, self.send_bufsize)))
buf.seek(pos + sent)
return buf.tell() == end