def handle_filter_message(message, session=None):
"""A client updating its streamer filter."""
if "filter" not in message.payload:
message.reply(
{
"type": "error",
"error": {
"type": "invalid_data",
"description": '"filter" is missing'
},
},
ok=False,
)
return
filter_ = message.payload["filter"]
try:
jsonschema.validate(filter_, filter.SCHEMA)
except jsonschema.ValidationError:
message.reply(
{
"type": "error",
"error": {
"type": "invalid_data",
"description": "failed to parse filter",
},
},
ok=False,
)
return
if session is not None:
# Add backend expands for clauses
_expand_clauses(session, filter_)
message.socket.filter = filter.FilterHandler(filter_)
def handle_filter_message(message, session=None):
"""A client updating its streamer filter."""
if 'filter' not in message.payload:
message.reply(
{
'type': 'error',
'error': {
'type': 'invalid_data',
'description': '"filter" is missing'
}
},
ok=False)
return
filter_ = message.payload['filter']
try:
jsonschema.validate(filter_, filter.SCHEMA)
except jsonschema.ValidationError:
message.reply(
{
'type': 'error',
'error': {
'type': 'invalid_data',
'description': 'failed to parse filter'
}
},
ok=False)
return
if session is not None:
# Add backend expands for clauses
_expand_clauses(session, filter_)
message.socket.filter = filter.FilterHandler(filter_)
def handle_message(message):
socket = message.socket
socket.request.feature.clear()
data = json.loads(message.payload)
try:
msg_type = data.get('messageType', 'filter')
if msg_type == 'filter':
payload = data['filter']
# Let's try to validate the schema
jsonschema.validate(payload, filter.SCHEMA)
# Add backend expands for clauses
_expand_clauses(socket.request, payload)
socket.filter = filter.FilterHandler(payload)
elif msg_type == 'client_id':
socket.client_id = data.get('value')
except:
# TODO: clean this up, catch specific errors, narrow the scope
log.exception("Parsing filter: %s", data)
socket.close()
raise
def handle_message(message, session=None):
"""
Handle an incoming message from a client websocket.
Receives a :py:class:`~h.streamer.websocket.Message` instance, which holds
references to the :py:class:`~h.streamer.websocket.WebSocket` instance
associated with the client connection, as well as the message payload.
It updates state on the :py:class:`~h.streamer.websocket.WebSocket`
instance in response to the message content.
It may also passed a database session which *must* be used for any
communication with the database.
"""
socket = message.socket
data = json.loads(message.payload)
try:
msg_type = data.get('messageType', 'filter')
if msg_type == 'filter':
payload = data['filter']
# Let's try to validate the schema
jsonschema.validate(payload, filter.SCHEMA)
if session is not None:
# Add backend expands for clauses
_expand_clauses(session, payload)
socket.filter = filter.FilterHandler(payload)
elif msg_type == 'client_id':
socket.client_id = data.get('value')
except:
# TODO: clean this up, catch specific errors, narrow the scope
log.exception("Parsing filter: %s", data)
socket.close()
raise
