Exemplo n.º 1
0
    def shutdown(self):
        if not self.live:
            return

        self.live = False
        if self._connect_all_members_timer:
            self._connect_all_members_timer.cancel()

        self._heartbeat_manager.shutdown()

        with self._lock:
            for connection_future in six.itervalues(self._pending_connections):
                connection_future.set_exception(
                    HazelcastClientNotActiveError(
                        "Hazelcast client is shutting down"))

            # Need to create copy of connection values to avoid modification errors on runtime
            for connection in list(six.itervalues(self.active_connections)):
                connection.close("Hazelcast client is shutting down", None)

            self.active_connections.clear()
            self._addresses_to_connections.clear()
            self._pending_connections.clear()

        del self._connection_listeners[:]
Exemplo n.º 2
0
    def _handle_exception(self, invocation, error, traceback=None):
        if self.logger.isEnabledFor(logging.DEBUG):
            self.logger.debug("Got exception for request %s, error: %s" %
                              (invocation.request, error),
                              extra=self._logger_extras)

        if not self._client.lifecycle_service.is_running():
            invocation.set_exception(HazelcastClientNotActiveError(),
                                     traceback)
            self._pending.pop(invocation.request.get_correlation_id(), None)
            return

        if not self._should_retry(invocation, error):
            invocation.set_exception(error, traceback)
            self._pending.pop(invocation.request.get_correlation_id(), None)
            return

        if invocation.timeout < time.time():
            self.logger.debug(
                "Error will not be retried because invocation timed out: %s",
                error,
                extra=self._logger_extras)
            invocation.set_exception(
                HazelcastTimeoutError(
                    "Request timed out because an error occurred after "
                    "invocation timeout: %s" % error, traceback))
            self._pending.pop(invocation.request.get_correlation_id(), None)
            return

        invoke_func = functools.partial(self.invoke, invocation)
        self._reactor.add_timer(self._invocation_retry_pause, invoke_func)
    def _notify_error(self, invocation, error):
        _logger.debug("Got exception for request %s, error: %s",
                      invocation.request, error)

        if not self._client.lifecycle_service.is_running():
            self._complete_with_error(invocation,
                                      HazelcastClientNotActiveError())
            return

        if not self._should_retry(invocation, error):
            self._complete_with_error(invocation, error)
            return

        if invocation.timeout < time.time():
            _logger.debug(
                "Error will not be retried because invocation timed out: %s",
                error)
            error = OperationTimeoutError(
                "Request timed out because an error occurred "
                "after invocation timeout: %s" % error)
            self._complete_with_error(invocation, error)
            return

        invoke_func = functools.partial(self._do_invoke, invocation)
        self._reactor.add_timer(self._invocation_retry_pause, invoke_func)
    def shutdown(self):
        if self._shutdown:
            return

        self._shutdown = True
        if self._clean_resources_timer:
            self._clean_resources_timer.cancel()
        for invocation in list(six.itervalues(self._pending)):
            self._notify_error(invocation, HazelcastClientNotActiveError())
Exemplo n.º 5
0
    def _get_or_create_session(self, group_id):
        with self._lock:
            if self._shutdown:
                error = HazelcastClientNotActiveError("Session manager is already shut down!")
                return ImmediateExceptionFuture(error)

            session = self._sessions.get(group_id, None)
            if session is None or not session.is_valid():
                with self._mutex(group_id):
                    session = self._sessions.get(group_id)
                    if session is None or not session.is_valid():
                        return self._create_new_session(group_id)
            return ImmediateFuture(session)
Exemplo n.º 6
0
    def get_or_create_unique_thread_id(self, group_id):
        with self._lock:
            if self._shutdown:
                error = HazelcastClientNotActiveError(
                    "Session manager is already shut down!")
                return ImmediateExceptionFuture(error)

            key = (group_id, thread_id())
            global_thread_id = self._thread_ids.get(key)
            if global_thread_id:
                return ImmediateFuture(global_thread_id)

            return self._request_generate_thread_id(group_id).continue_with(
                lambda t_id: self._thread_ids.setdefault(key, t_id.result()))
    def _send(self, invocation, connection):
        if self._shutdown:
            raise HazelcastClientNotActiveError()

        if self._backup_ack_to_client_enabled:
            invocation.request.set_backup_aware_flag()

        message = invocation.request
        correlation_id = message.get_correlation_id()
        self._pending[correlation_id] = invocation

        if invocation.event_handler:
            self._listener_service.add_event_handler(correlation_id,
                                                     invocation.event_handler)

        if not connection.send_message(message):
            if invocation.event_handler:
                self._listener_service.remove_event_handler(correlation_id)
            return False

        invocation.sent_connection = connection
        return True
Exemplo n.º 8
0
    def _send(self, invocation, connection):
        if self._shutdown:
            raise HazelcastClientNotActiveError()

        correlation_id = self._next_correlation_id.get_and_increment()
        message = invocation.request
        message.set_correlation_id(correlation_id)
        message.set_partition_id(invocation.partition_id)
        self._pending[correlation_id] = invocation

        if invocation.event_handler:
            self._listener_service.add_event_handler(correlation_id,
                                                     invocation.event_handler)

        self.logger.debug("Sending %s to %s",
                          message,
                          connection,
                          extra=self._logger_extras)

        if not connection.send_message(message):
            if invocation.event_handler:
                self._listener_service.remove_event_handler(correlation_id)
            return False
        return True
Exemplo n.º 9
0
 def _check_client_active(self):
     if not self._lifecycle_service.running:
         raise HazelcastClientNotActiveError()
 def test_read_many_on_client_not_active_error(self):
     self.error_on_first_read_many(
         HazelcastClientNotActiveError("expected"))
     self.topic.add_listener(no_op)
     self.assertEqual(1, self.ringbuffer.read_many.call_count)
     self.assertEqual(0, len(self.topic._runners))
Exemplo n.º 11
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 def shutdown(self):
     self._shutdown = True
     for invocation in list(six.itervalues(self._pending)):
         self._handle_exception(invocation, HazelcastClientNotActiveError())