def __init__( self, from_position: Position = None, batch_size: int = 100, resolve_links: bool = True, require_master: bool = False, direction: StreamDirection = StreamDirection.Forward, credentials=None, conversation_id: UUID = None, ): Conversation.__init__(self, conversation_id, credentials) self.batch_size = batch_size self.has_first_page = False self.resolve_link_tos = resolve_links self.require_master = require_master self.from_position = from_position or Position(0, 0) self.direction = direction self._logger = logging.get_named_logger(IterAllEvents) self.iterator = StreamingIterator(self.batch_size) if direction == StreamDirection.Forward: self.command = TcpCommand.ReadAllEventsForward else: self.command = TcpCommand.ReadAllEventsBackward
def __init__( self, discovery, dispatcher, retry_policy=None, ctrl_queue=None, connect_timeout=5, name=None, loop=None, ): self.name = name self.connection_counter = 0 self.dispatcher = dispatcher self.loop = loop or asyncio.get_event_loop() self.discovery = discovery self.connected = Event() self.disconnected = Event() self.stopped = Event() self.ctrl_queue = ctrl_queue or asyncio.Queue(loop=self.loop) self.log = logging.get_named_logger(Connector) self._run_loop = asyncio.ensure_future(self._run()) self.heartbeat_failures = 0 self.connect_timeout = connect_timeout self.active_protocol = None self.retry_policy = retry_policy or DiscoveryRetryPolicy( retries_per_node=0)
def __init__( self, stream, start_from=0, batch_size=100, credential=None, conversation_id=None, ): self.stream = stream self.iterator = StreamingIterator() self.conversation_id = conversation_id or uuid4() self._logger = logging.get_named_logger(CatchupSubscription, self.conversation_id) self.from_event = start_from self.direction = StreamDirection.Forward self.batch_size = batch_size self.has_first_page = False self.require_master = False self.resolve_link_tos = True self.credential = credential self.result = Future() self.phase = CatchupSubscriptionPhase.READ_HISTORICAL self.buffer = [] self.subscribe_from = -1 self.next_event_number = self.from_event self.last_event_number = -1 Conversation.__init__(self, conversation_id, credential) ReadStreamEventsBehaviour.__init__(self, ReadStreamResult, proto.ReadStreamEventsCompleted)
def __init__( self, stream: str, from_event: int = None, batch_size: int = 100, resolve_links: bool = True, require_master: bool = False, direction: StreamDirection = StreamDirection.Forward, credentials=None, conversation_id: UUID = None, ): Conversation.__init__(self, conversation_id, credentials) ReadStreamEventsBehaviour.__init__(self, ReadStreamResult, proto.ReadStreamEventsCompleted) self.batch_size = batch_size self.has_first_page = False self.stream = stream self.resolve_link_tos = resolve_links self.require_master = require_master self.direction = direction self._logger = logging.get_named_logger(IterStreamEvents) self.iterator = StreamingIterator(self.batch_size) if direction == StreamDirection.Forward: self.command = TcpCommand.ReadStreamEventsForward self.from_event = from_event or 0 else: self.command = TcpCommand.ReadStreamEventsBackward self.from_event = from_event or -1
def __init__( self, writer: asyncio.StreamWriter, connection_number: int, output_queue: asyncio.Queue, name=None, ): self._logger = logging.get_named_logger(MessageWriter, name, connection_number) self.writer = writer self._queue = output_queue
def __init__( self, conversation_id: Optional[UUID] = None, credential: Optional[Credential] = None, ) -> None: self.conversation_id = conversation_id or uuid4() self.result: Future = Future() self.is_complete = False self.credential = credential self._logger = logging.get_named_logger(Conversation) self.one_way = False
def __init__( self, output_queue: asyncio.Queue, connector: Connector, response_timeout=10, heartbeat_period=30, heartbeat_id=None, ) -> None: self._output = output_queue self.heartbeat_id = heartbeat_id or uuid.uuid4() self._connector = connector self.response_timeout = response_timeout self.heartbeat_period = heartbeat_period self.log = logging.get_named_logger(PaceMaker) self._fut = None
def __init__( self, stream: str, events: Sequence[NewEvent], expected_version: Union[ExpectedVersion, int] = ExpectedVersion.Any, require_master: bool = False, conversation_id: UUID = None, credential=None, loop=None, ): super().__init__(conversation_id, credential) self._logger = logging.get_named_logger(WriteEvents) self.stream = stream self.require_master = require_master self.events = events self.expected_version = expected_version
def __init__( self, addr: NodeService, connection_number: int, dispatcher: MessageDispatcher, connector, loop=None, ): self._log = logging.get_named_logger(PhotonPumpProtocol, connection_number) self.transport = None self.loop = loop or asyncio.get_event_loop() super().__init__(self.loop) self.connection_number = connection_number self.node = addr self.dispatcher = dispatcher self.connector = connector
def __init__( self, reader: asyncio.StreamReader, connection_number: int, queue, pacemaker: PaceMaker, name=None, ): self.header_bytes = array.array("B", [0] * (self.MESSAGE_MIN_SIZE)) self.header_bytes_required = self.MESSAGE_MIN_SIZE self.queue = queue self.length = 0 self.message_offset = 0 self.conversation_id = None self.message_buffer = None self._logger = logging.get_named_logger(MessageReader, name, connection_number) self.reader = reader self.pacemaker = pacemaker self._trace_enabled = self._logger.getEffectiveLevel() <= logging.TRACE
def __init__( self, discovery, dispatcher, ctrl_queue=None, connect_timeout=5, name=None, ): self.name = name self.connection_counter = 0 self.dispatcher = dispatcher self.discovery = discovery self.connected = Event() self.disconnected = Event() self.stopped = Event() self.ctrl_queue = ctrl_queue or asyncio.Queue() self.log = logging.get_named_logger(Connector) self._run_loop = asyncio.ensure_future(self._run()) self.heartbeat_failures = 0 self.connect_timeout = connect_timeout self.active_protocol = None
def __init__(self, name=None, loop=None): self.active_conversations = {} self._logger = logging.get_named_logger(MessageDispatcher, name) self.output = None self._loop = loop or asyncio.get_event_loop()
def __init__(self, name=None): self.active_conversations = {} self._logger = logging.get_named_logger(MessageDispatcher, name) self.output = None