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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,11 @@ | ||
| from aiohttp import AsyncResolver | ||
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| def get_resolver_with_public_nameserver() -> AsyncResolver: | ||
| # requires aiodns | ||
| return AsyncResolver(nameservers=["1.1.1.1", "8.8.8.8"]) | ||
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| async def resolve(host: str) -> str: | ||
| hosts = await get_resolver_with_public_nameserver().resolve(host) | ||
| return hosts[0]["host"] |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| """Mqtt proxy module.""" | ||
| import asyncio | ||
| import re | ||
| from typing import Any, MutableMapping | ||
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| from amqtt.client import MQTTClient | ||
| from amqtt.mqtt.constants import QOS_0, QOS_1, QOS_2 | ||
| from cachetools import TTLCache | ||
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| from ..util import get_logger | ||
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| _LOGGER = get_logger("proxymode") | ||
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| # iot/p2p/[command]]/[sender did]/[sender class]]/[sender resource] | ||
| # /[receiver did]/[receiver class]]/[receiver resource]/[q|p/[request id/j | ||
| # [q|p] q-> request p-> response | ||
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| TOPIC_P2P = re.compile( | ||
| "iot/p2p/(?P<command>[^/]+)/(?P<sender_id>[^/]+)/(?P<sender_cls>[^/]+)/(?P<sender_resource>[^/]+)/" | ||
| "/(?P<receiver_id>[^/]+)/(?P<receiver_cls>[^/]+)/(?P<receiver_resource>[^/]+)/(?P<mode>[^/]+)/" | ||
| "(?P<request_id>[^/]+)/(?P<data_type>[^/]+)" | ||
| ) | ||
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| class ProxyClient: | ||
| """Mqtt client, which proxies all messages to the ecovacs servers.""" | ||
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| def __init__( | ||
| self, | ||
| client_id: str, | ||
| host: str, | ||
| port: int = 443, | ||
| config: dict[str, Any] | None = None, | ||
| timeout: float = 180, | ||
| ): | ||
| self.request_mapper: MutableMapping[str, str] = TTLCache( | ||
| maxsize=timeout * 60, ttl=timeout * 1.1 | ||
| ) | ||
| self._client = MQTTClient(client_id=client_id, config=config) | ||
| self._host = host | ||
| self._port = port | ||
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| async def connect(self, username: str, password: str) -> None: | ||
| try: | ||
| await self._client.connect( | ||
| f"mqtts://{username}:{password}@{self._host}:{self._port}" | ||
| ) | ||
| except Exception: | ||
| _LOGGER.exception("An exception occurred during startup", exc_info=True) | ||
| raise | ||
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| asyncio.create_task(self._handle_messages()) | ||
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| async def _handle_messages(self) -> None: | ||
| while self._client.session.transitions.is_connected(): | ||
| try: | ||
| message = await self._client.deliver_message() | ||
| data = str(message.data.decode("utf-8")) | ||
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| _LOGGER.info( | ||
| f"MQTT Proxy Client - Message Received From Ecovacs - Topic: {message.topic} - Message: {data}" | ||
| ) | ||
| topic = message.topic | ||
| ttopic = topic.split("/") | ||
| if ttopic[1] == "p2p": | ||
| self.request_mapper[ttopic[10]] = ttopic[3] | ||
| ttopic[3] = "proxyhelper" | ||
| topic = "/".join(ttopic) | ||
| _LOGGER.info( | ||
| f"MQTT Proxy Client - Converted Topic From {message.topic} TO {topic}" | ||
| ) | ||
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| _LOGGER.info( | ||
| f"MQTT Proxy Client - Proxy Forward Message to Robot - Topic: {topic} - Message: {data}" | ||
| ) | ||
| await self._client.publish(topic, data.encode(), QOS_0) | ||
| except Exception: # pylint: disable=broad-except | ||
| _LOGGER.error( | ||
| "An error occurred during handling a message", exc_info=True | ||
| ) | ||
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| async def subscribe(self, topic: str, qos: QOS_0 | QOS_1 | QOS_2 = QOS_0) -> None: | ||
| await self._client.subscribe([(topic, qos)]) | ||
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| async def disconnect(self) -> None: | ||
| await self._client.disconnect() | ||
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| async def publish(self, topic: str, message: bytes, qos: int | None = None) -> None: | ||
| await self._client.publish(topic, message, qos) |
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