def __init__(self, factory, config):
# remember transport configuration
#
self._config = config
# explicit list of WAMP serializers
#
if 'serializers' in config:
serializers = []
sers = set(config['serializers'])
if 'flatbuffers' in sers:
# try FlatBuffers WAMP serializer
try:
from autobahn.wamp.serializer import FlatBuffersSerializer
serializers.append(FlatBuffersSerializer())
except ImportError:
self.log.warn(
"Warning: could not load WAMP-FlatBuffers serializer")
else:
sers.discard('flatbuffers')
if 'cbor' in sers:
# try CBOR WAMP serializer
try:
from autobahn.wamp.serializer import CBORSerializer
serializers.append(CBORSerializer())
except ImportError:
self.log.warn(
"Warning: could not load WAMP-CBOR serializer")
else:
sers.discard('cbor')
if 'msgpack' in sers:
# try MsgPack WAMP serializer
try:
from autobahn.wamp.serializer import MsgPackSerializer
serializer = MsgPackSerializer()
serializer._serializer.ENABLE_V5 = False # FIXME
serializers.append(serializer)
except ImportError:
self.log.warn(
"Warning: could not load WAMP-MsgPack serializer")
else:
sers.discard('msgpack')
if 'ubjson' in sers:
# try UBJSON WAMP serializer
try:
from autobahn.wamp.serializer import UBJSONSerializer
serializers.append(UBJSONSerializer(batched=True))
serializers.append(UBJSONSerializer())
except ImportError:
self.log.warn(
"Warning: could not load WAMP-UBJSON serializer")
else:
sers.discard('ubjson')
if 'json' in sers:
# try JSON WAMP serializer
try:
from autobahn.wamp.serializer import JsonSerializer
serializers.append(JsonSerializer())
except ImportError:
self.log.warn(
"Warning: could not load WAMP-JSON serializer")
else:
sers.discard('json')
if not serializers:
raise Exception("no valid WAMP serializers specified")
if len(sers) > 0:
raise Exception(
"invalid WAMP serializers specified (the following were unprocessed) {}"
.format(sers))
else:
serializers = None
rawsocket.WampRawSocketServerFactory.__init__(self, factory,
serializers)
if 'options' in config:
set_rawsocket_options(self, config['options'])
self.log.debug(
"RawSocket transport factory created using {serializers} serializers, max. message size {maxsize}",
serializers=serializers,
maxsize=self._max_message_size)
def __init__(self, factory, cbdir, config, templates):
"""
:param factory: WAMP session factory.
:type factory: An instance of ..
:param cbdir: The Crossbar.io node directory.
:type cbdir: str
:param config: Crossbar transport configuration.
:type config: dict
:param templates:
:type templates:
"""
self.debug_traffic = config.get('debug_traffic', False)
options = config.get('options', {})
# announce Crossbar.io server version
#
self.showServerVersion = options.get('show_server_version',
self.showServerVersion)
if self.showServerVersion:
server = "Crossbar/{}".format(crossbar.__version__)
else:
# do not disclose crossbar version
server = "Crossbar"
# external (public) listening port (eg when running behind a reverse proxy)
#
externalPort = options.get('external_port', None)
# explicit list of WAMP serializers
#
if 'serializers' in config:
serializers = []
sers = set(config['serializers'])
if 'flatbuffers' in sers:
# try FlatBuffers WAMP serializer
try:
from autobahn.wamp.serializer import FlatBuffersSerializer
serializers.append(FlatBuffersSerializer(batched=True))
serializers.append(FlatBuffersSerializer())
except ImportError('FlatBuffersSerializer'):
self.log.warn(
"Warning: could not load WAMP-FlatBuffers serializer")
else:
sers.discard('flatbuffers')
if 'cbor' in sers:
# try CBOR WAMP serializer
try:
from autobahn.wamp.serializer import CBORSerializer
serializers.append(CBORSerializer(batched=True))
serializers.append(CBORSerializer())
except ImportError('CBORSerializer'):
self.log.warn(
"Warning: could not load WAMP-CBOR serializer")
else:
sers.discard('cbor')
if 'msgpack' in sers:
# try MsgPack WAMP serializer
try:
from autobahn.wamp.serializer import MsgPackSerializer
serializers.append(MsgPackSerializer(batched=True))
serializers.append(MsgPackSerializer())
except ImportError('MsgPackSerializer'):
self.log.warn(
"Warning: could not load WAMP-MsgPack serializer")
else:
sers.discard('msgpack')
if 'ubjson' in sers:
# try UBJSON WAMP serializer
try:
from autobahn.wamp.serializer import UBJSONSerializer
serializers.append(UBJSONSerializer(batched=True))
serializers.append(UBJSONSerializer())
except ImportError('UBJSONSerializer'):
self.log.warn(
"Warning: could not load WAMP-UBJSON serializer")
else:
sers.discard('ubjson')
if 'json' in sers:
# try JSON WAMP serializer
try:
from autobahn.wamp.serializer import JsonSerializer
serializers.append(JsonSerializer(batched=True))
serializers.append(JsonSerializer())
except ImportError('JsonSerializer'):
self.log.warn(
"Warning: could not load WAMP-JSON serializer")
else:
sers.discard('json')
if not serializers:
raise Exception("no valid WAMP serializers specified")
if len(sers) > 0:
raise Exception(
"invalid WAMP serializers specified (the following were unprocessed) {}"
.format(sers))
else:
serializers = None
websocket.WampWebSocketServerFactory.__init__(
self,
factory,
serializers=serializers,
url=config.get('url', None),
server=server,
externalPort=externalPort)
# Crossbar.io node directory
self._cbdir = cbdir
# transport configuration
self._config = config
# Jinja2 templates for 404 etc
self._templates = templates
# enable cookie tracking if a cookie store is configured
if 'cookie' in config:
# cookie store configuration item
cookie_config = config['cookie']
# cookie store
cookie_store_config = cookie_config['store']
cookie_store_type = cookie_store_config['type']
# setup ephemeral, memory-backed cookie store
if cookie_store_type == 'memory':
self._cookiestore = CookieStoreMemoryBacked(cookie_config)
self.log.info("Memory-backed cookie store active.")
# setup persistent, file-backed cookie store
elif cookie_store_type == 'file':
cookie_store_file = os.path.abspath(
os.path.join(self._cbdir, cookie_store_config['filename']))
self._cookiestore = CookieStoreFileBacked(
cookie_store_file, cookie_config)
self.log.info(
"File-backed cookie store active {cookie_store_file}",
cookie_store_file=hlval(cookie_store_file))
# setup persistent, database-backed cookie store
elif cookie_store_type == 'database':
cookie_dbpath = os.path.abspath(
os.path.join(self._cbdir, cookie_store_config['path']))
self._cookiestore = CookieStoreDatabaseBacked(
cookie_dbpath, cookie_config)
self.log.info(
"Database-backed cookie store active! [cookiestore={cookiestore}]",
cookiestore=hltype(CookieStoreDatabaseBacked))
else:
# should not arrive here as the config should have been checked before
raise NotImplementedError(
'{}: implementation of cookiestore of type "{}" missing'.
format(self.__class__.__name__, cookie_store_type))
else:
# this disables cookie tracking (both with or without WAMP-cookie authentication)
self._cookiestore = None
# set WebSocket options
set_websocket_options(self, options)