def __call__(self, message_data):
"""Consumer callback to call a method on a proxy object.
Parses the message for validity and fires off a thread to call the
proxy object method.
Message data should be a dictionary with two keys:
method: string representing the method to call
args: dictionary of arg: value
Example: {'method': 'echo', 'args': {'value': 42}}
"""
# It is important to clear the context here, because at this point
# the previous context is stored in local.store.context
if hasattr(local.store, "context"):
del local.store.context
rpc_common._safe_log(LOG.debug, _("received %s"), message_data)
self.msg_id_cache.check_duplicate_message(message_data)
ctxt = unpack_context(self.conf, message_data)
method = message_data.get("method")
args = message_data.get("args", {})
version = message_data.get("version")
namespace = message_data.get("namespace")
if not method:
LOG.warn(_("no method for message: %s") % message_data)
ctxt.reply(_("No method for message: %s") % message_data, connection_pool=self.connection_pool)
return
self.pool.spawn_n(self._process_data, ctxt, version, method, namespace, args)
def __call__(self, message_data):
"""Consumer callback to call a method on a proxy object.
Parses the message for validity and fires off a thread to call the
proxy object method.
Message data should be a dictionary with two keys:
method: string representing the method to call
args: dictionary of arg: value
Example: {'method': 'echo', 'args': {'value': 42}}
"""
# It is important to clear the context here, because at this point
# the previous context is stored in local.store.context
if hasattr(local.store, 'context'):
del local.store.context
rpc_common._safe_log(LOG.debug, _('received %s'), message_data)
self.msg_id_cache.check_duplicate_message(message_data)
ctxt = unpack_context(self.conf, message_data)
method = message_data.get('method')
args = message_data.get('args', {})
version = message_data.get('version')
namespace = message_data.get('namespace')
if not method:
LOG.warn(_('no method for message: %s') % message_data)
ctxt.reply(_('No method for message: %s') % message_data,
connection_pool=self.connection_pool)
return
self.pool.spawn_n(self._process_data, ctxt, version, method, namespace,
args)
def unpack_context(conf, msg):
"""Unpack context from msg."""
context_dict = {}
for key in list(msg.keys()):
# NOTE(vish): Some versions of python don't like unicode keys
# in kwargs.
key = str(key)
if key.startswith("_context_"):
value = msg.pop(key)
context_dict[key[9:]] = value
context_dict["msg_id"] = msg.pop("_msg_id", None)
context_dict["reply_q"] = msg.pop("_reply_q", None)
context_dict["conf"] = conf
ctx = RpcContext.from_dict(context_dict)
rpc_common._safe_log(LOG.debug, _("unpacked context: %s"), ctx.to_dict())
return ctx
def unpack_context(conf, msg):
"""Unpack context from msg."""
context_dict = {}
for key in list(msg.keys()):
# NOTE(vish): Some versions of python don't like unicode keys
# in kwargs.
key = str(key)
if key.startswith('_context_'):
value = msg.pop(key)
context_dict[key[9:]] = value
context_dict['msg_id'] = msg.pop('_msg_id', None)
context_dict['reply_q'] = msg.pop('_reply_q', None)
context_dict['conf'] = conf
ctx = RpcContext.from_dict(context_dict)
rpc_common._safe_log(LOG.debug, _('unpacked context: %s'), ctx.to_dict())
return ctx