Files
Remote-Terminal-for-MeshCore/app/fanout/mqtt_private.py

63 lines
2.3 KiB
Python

"""Fanout module wrapping the private MQTT publisher."""
from __future__ import annotations
import logging
from types import SimpleNamespace
from app.fanout.base import FanoutModule
from app.fanout.mqtt import MqttPublisher, _build_message_topic, _build_raw_packet_topic
logger = logging.getLogger(__name__)
def _config_to_settings(config: dict) -> SimpleNamespace:
"""Map a fanout config blob to a settings namespace for the MqttPublisher."""
return SimpleNamespace(
mqtt_broker_host=config.get("broker_host", ""),
mqtt_broker_port=config.get("broker_port", 1883),
mqtt_username=config.get("username", ""),
mqtt_password=config.get("password", ""),
mqtt_use_tls=config.get("use_tls", False),
mqtt_tls_insecure=config.get("tls_insecure", False),
mqtt_topic_prefix=config.get("topic_prefix", "meshcore"),
mqtt_publish_messages=True,
mqtt_publish_raw_packets=True,
)
class MqttPrivateModule(FanoutModule):
"""Wraps an MqttPublisher instance for private MQTT forwarding."""
def __init__(self, config_id: str, config: dict, *, name: str = "") -> None:
super().__init__(config_id, config, name=name)
self._publisher = MqttPublisher()
self._publisher.set_integration_name(name or config_id)
async def start(self) -> None:
settings = _config_to_settings(self.config)
await self._publisher.start(settings)
async def stop(self) -> None:
await self._publisher.stop()
async def on_message(self, data: dict) -> None:
if not self._publisher.connected or self._publisher._settings is None:
return
prefix = self.config.get("topic_prefix", "meshcore")
topic = _build_message_topic(prefix, data)
await self._publisher.publish(topic, data)
async def on_raw(self, data: dict) -> None:
if not self._publisher.connected or self._publisher._settings is None:
return
prefix = self.config.get("topic_prefix", "meshcore")
topic = _build_raw_packet_topic(prefix, data)
await self._publisher.publish(topic, data)
@property
def status(self) -> str:
if not self.config.get("broker_host"):
return "disconnected"
return "connected" if self._publisher.connected else "disconnected"