def performer_with_connection(intent):
try:
if self.connection:
# Reuse already opened connection
try:
return (yield AsyncFunc(async_performer(intent)))
except BackendConnectionError:
# The connection has been closed, try to reconnect
# and rerun the performer
yield AsyncFunc(self.connection.close_connection())
self.connection = None
return (yield performer_with_connection(intent))
else:
# Open new connection and run command
identity = yield Effect(EIdentityGet())
connection = BackendConnection(self.url, self.watchdog)
yield AsyncFunc(connection.open_connection(identity))
self.connection = connection
return (yield AsyncFunc(async_performer(intent)))
except BackendConnectionError:
if self.connection:
yield AsyncFunc(self.connection.close_connection())
self.connection = None
raise
def performer_with_connection(intent):
if not self.connection:
url = yield Effect(EBackendBlockStoreGetURL())
self.connection = block_connection_factory(url)
return (yield AsyncFunc(async_performer(intent)))
def perform_user_vlob_update(self, intent):
id = yield Effect(EGetAuthenticatedUser())
yield AsyncFunc(self._perform_user_vlob_update(id, intent.version, intent.blob))
yield Effect(EEvent('user_vlob_updated', id))
def perform_user_vlob_read(self, intent):
id = yield Effect(EGetAuthenticatedUser())
return (yield AsyncFunc(self._perform_user_vlob_read(id, intent.version)))
def perform_vlob_update(self, intent):
yield AsyncFunc(self._perform_vlob_update(intent))
yield Effect(EEvent('vlob_updated', intent.id))
def perform_message_get(self, intent):
id = yield Effect(EGetAuthenticatedUser())
return (yield AsyncFunc(self._perform_message_get(id, intent)))
def perform_message_new(self, intent):
yield AsyncFunc(self._perform_message_new(intent))
yield Effect(EEvent('message_arrived', intent.recipient))