def get(self,
message_template,
timeout=None,
header_filter=None,
latest=None):
header_fields = message_template.header_parameters
logger.trace("Get message with params %s" % header_fields)
if latest:
self._fill_cache()
msg = self._get_from_cache(message_template, header_fields,
header_filter, latest)
if msg:
logger.trace("Cache hit. Cache currently has %s messages" %
len(self._cache))
return msg
cutoff = time.time() + float(timeout if timeout else 0)
while not timeout or time.time() < cutoff:
with self._lock:
header, pdu_bytes = self._protocol.read(self._stream,
timeout=timeout)
if self._matches(header, header_fields, header_filter):
return self._to_msg(message_template, header, pdu_bytes)
else:
self._match_or_cache(header, pdu_bytes)
raise AssertionError('Timeout %fs exceeded in message stream.' %
float(timeout))
def _decode_one(self, data, bag, little_endian=False):
for case in self._fields.values():
try:
match = case.decode(data, bag, little_endian=little_endian)
logger.trace("'%s' matches in bag '%s'. value: %r" % (case.name, self.name, match[match.len - 1]))
return match
except Exception as e:
logger.trace("'%s' does not match in bag '%s'. Error: %s" % (case.name, self.name, e.message))
raise AssertionError("Unable to decode bag value.")
def get(self, message_template, timeout=None, header_filter=None):
header_fields = message_template.header_parameters
logger.trace("Get message with params %s" % header_fields)
msg = self._get_from_cache(message_template, header_fields, header_filter)
if msg:
logger.trace("Cache hit. Cache currently has %s messages" % len(self._cache))
return msg
while True:
with LOCK:
header, pdu_bytes = self._protocol.read(self._stream, timeout=timeout)
if self._matches(header, header_fields, header_filter):
return self._to_msg(message_template, header, pdu_bytes)
else:
self._match_or_cache(header, pdu_bytes)
def get(self, message_template, timeout=None, header_filter=None):
header_fields = message_template.header_parameters
logger.trace("Get message with params %s" % header_fields)
msg = self._get_from_cache(message_template, header_fields,
header_filter)
if msg:
logger.trace("Cache hit. Cache currently has %s messages" %
len(self._cache))
return msg
while True:
with LOCK:
header, pdu_bytes = self._protocol.read(self._stream,
timeout=timeout)
if self._matches(header, header_fields, header_filter):
return self._to_msg(message_template, header, pdu_bytes)
else:
self._match_or_cache(header, pdu_bytes)
def get(self, message_template, timeout=None, header_filter=None, latest=None):
header_fields = message_template.header_parameters
logger.trace("Get message with params %s" % header_fields)
if latest:
self._fill_cache()
msg = self._get_from_cache(message_template, header_fields, header_filter, latest)
if msg:
logger.trace("Cache hit. Cache currently has %s messages" % len(self._cache))
return msg
cutoff = time.time() + float(timeout if timeout else 0)
while not timeout or time.time() < cutoff:
with LOCK:
header, pdu_bytes = self._protocol.read(self._stream, timeout=timeout)
if self._matches(header, header_fields, header_filter):
return self._to_msg(message_template, header, pdu_bytes)
else:
self._match_or_cache(header, pdu_bytes)
raise AssertionError('Timeout %fs exceeded in message stream.' % float(timeout))