def _invoke(self, timeout, request, xid=None):
"""A special writer used during connection establishment
only"""
self._submit(request, timeout, xid)
zxid = None
if xid:
header, buffer, offset = self._read_header(timeout)
if header.xid != xid:
raise RuntimeError('xids do not match, expected %r received %r',
xid, header.xid)
if header.zxid > 0:
zxid = header.zxid
if header.err:
callback_exception = EXCEPTIONS[header.err]()
self.logger.info('Received error(xid=%s) %r', xid, callback_exception)
raise callback_exception
return zxid
msg = self._read(4, timeout)
length = int_struct.unpack(msg)[0]
msg = self._read(length, timeout)
if hasattr(request, 'deserialize'):
try:
obj, _ = request.deserialize(msg, 0)
except Exception:
self.logger.exception("Exception raised during deserialization"
" of request: %s", request)
# raise ConnectionDropped so connect loop will retry
raise ConnectionDropped('invalid server response')
self.logger.debug('Read response %s', obj)
return obj, zxid
return zxid
def _invoke(self, timeout, request, xid=None):
"""A special writer used during connection establishment
only"""
self._submit(request, timeout, xid)
zxid = None
if xid:
header, buffer, offset = self._read_header(timeout)
if header.xid != xid:
raise RuntimeError(
'xids do not match, expected %r received %r', xid,
header.xid)
if header.zxid > 0:
zxid = header.zxid
if header.err:
callback_exception = EXCEPTIONS[header.err]()
if self.log_debug:
log.debug('Received error %r', callback_exception)
raise callback_exception
return zxid
msg = self._read(4, timeout)
length = int_struct.unpack(msg)[0]
msg = self._read(length, timeout)
if hasattr(request, 'deserialize'):
obj, _ = request.deserialize(msg, 0)
log.debug('Read response %s', obj)
return obj, zxid
return zxid
def _invoke(self, timeout, request, xid=None):
"""A special writer used during connection establishment
only"""
self._submit(request, timeout, xid)
zxid = None
if xid:
header, buffer, offset = self._read_header(timeout)
if header.xid != xid:
raise RuntimeError('xids do not match, expected %r received %r',
xid, header.xid)
if header.zxid > 0:
zxid = header.zxid
if header.err:
callback_exception = EXCEPTIONS[header.err]()
if self.log_debug:
log.debug('Received error %r', callback_exception)
raise callback_exception
return zxid
msg = self._read(4, timeout)
length = int_struct.unpack(msg)[0]
msg = self._read(length, timeout)
if hasattr(request, 'deserialize'):
obj, _ = request.deserialize(msg, 0)
log.debug('Read response %s', obj)
return obj, zxid
return zxid
def _invoke(self, timeout, request, xid=None):
"""A special writer used during connection establishment
only"""
self._submit(request, timeout, xid)
zxid = None
if xid:
header, buffer, offset = self._read_header(timeout)
if header.xid != xid:
raise RuntimeError(
'xids do not match, expected %r received %r', xid,
header.xid)
if header.zxid > 0:
zxid = header.zxid
if header.err:
callback_exception = EXCEPTIONS[header.err]()
self.logger.debug('Received error(xid=%s) %r', xid,
callback_exception)
raise callback_exception
return zxid
msg = self._read(4, timeout)
length = int_struct.unpack(msg)[0]
msg = self._read(length, timeout)
if hasattr(request, 'deserialize'):
try:
obj, _ = request.deserialize(msg, 0)
except Exception:
self.logger.exception(
"Exception raised during deserialization"
" of request: %s", request)
# raise ConnectionDropped so connect loop will retry
raise ConnectionDropped('invalid server response')
self.logger.log(BLATHER, 'Read response %s', obj)
return obj, zxid
return zxid
def _read_header(self, timeout):
b = self._read(4, timeout)
length = int_struct.unpack(b)[0]
b = self._read(length, timeout)
header, offset = ReplyHeader.deserialize(b, 0)
return header, b, offset
def _read_header(self, timeout):
b = self._read(4, timeout)
length = int_struct.unpack(b)[0]
b = self._read(length, timeout)
header, offset = ReplyHeader.deserialize(b, 0)
return header, b, offset
