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hacs-oasis_mini/custom_components/oasis_mini/pyoasiscontrol/clients/mqtt_client.py
2025-11-23 22:49:26 +00:00

618 lines
22 KiB
Python

"""Oasis MQTT client (multi-device)."""
from __future__ import annotations
import asyncio
import base64
from datetime import UTC, datetime
import logging
import ssl
from typing import Any, Final, Iterable
import aiomqtt
from ..device import OasisDevice
from ..utils import _bit_to_bool, _parse_int
from .transport import OasisClientProtocol
_LOGGER = logging.getLogger(__name__)
# mqtt connection parameters
HOST: Final = "mqtt.grounded.so"
PORT: Final = 8084
PATH: Final = "mqtt"
USERNAME: Final = "YXBw"
PASSWORD: Final = "RWdETFlKMDczfi4t"
RECONNECT_INTERVAL: Final = 4
# Command queue behaviour
MAX_PENDING_COMMANDS: Final = 10
class OasisMqttClient(OasisClientProtocol):
"""MQTT-based Oasis transport using WSS.
Responsibilities:
- Maintain a single MQTT connection to:
wss://mqtt.grounded.so:8084/mqtt
- Subscribe only to <serial>/STATUS/# for devices it knows about.
- Publish commands to <serial>/COMMAND/CMD
- Map MQTT payloads to OasisDevice.update_from_status_dict()
"""
def __init__(self) -> None:
# MQTT connection state
self._client: aiomqtt.Client | None = None
self._loop_task: asyncio.Task | None = None
self._connected_at: datetime | None = None
self._connected_event: asyncio.Event = asyncio.Event()
self._stop_event: asyncio.Event = asyncio.Event()
# Known devices by serial
self._devices: dict[str, OasisDevice] = {}
# Per-device events
self._first_status_events: dict[str, asyncio.Event] = {}
self._mac_events: dict[str, asyncio.Event] = {}
# Subscription bookkeeping
self._subscribed_serials: set[str] = set()
self._subscription_lock = asyncio.Lock()
# Pending command queue: (serial, payload)
self._command_queue: asyncio.Queue[tuple[str, str]] = asyncio.Queue(
maxsize=MAX_PENDING_COMMANDS
)
def register_device(self, device: OasisDevice) -> None:
"""Register a device so MQTT messages can be routed to it."""
if not device.serial_number:
raise ValueError("Device must have serial_number set before registration")
serial = device.serial_number
self._devices[serial] = device
# Ensure we have per-device events
self._first_status_events.setdefault(serial, asyncio.Event())
self._mac_events.setdefault(serial, asyncio.Event())
# Attach ourselves as the client if the device doesn't already have one
if not device.client:
device.attach_client(self)
# If we're already connected, subscribe to this device's topics
if self._client is not None:
try:
loop = asyncio.get_running_loop()
loop.create_task(self._subscribe_serial(serial))
except RuntimeError:
# No running loop (unlikely in HA), so just log
_LOGGER.debug(
"Could not schedule subscription for %s (no running loop)", serial
)
def register_devices(self, devices: Iterable[OasisDevice]) -> None:
"""Convenience method to register multiple devices."""
for device in devices:
self.register_device(device)
def unregister_device(self, device: OasisDevice) -> None:
serial = device.serial_number
if not serial:
return
self._devices.pop(serial, None)
self._first_status_events.pop(serial, None)
self._mac_events.pop(serial, None)
# If connected and we were subscribed, unsubscribe
if self._client is not None and serial in self._subscribed_serials:
try:
loop = asyncio.get_running_loop()
loop.create_task(self._unsubscribe_serial(serial))
except RuntimeError:
_LOGGER.debug(
"Could not schedule unsubscription for %s (no running loop)",
serial,
)
async def _subscribe_serial(self, serial: str) -> None:
"""Subscribe to STATUS topics for a single device."""
if not self._client:
return
async with self._subscription_lock:
if not self._client or serial in self._subscribed_serials:
return
topic = f"{serial}/STATUS/#"
await self._client.subscribe([(topic, 1)])
self._subscribed_serials.add(serial)
_LOGGER.info("Subscribed to %s", topic)
async def _unsubscribe_serial(self, serial: str) -> None:
"""Unsubscribe from STATUS topics for a single device."""
if not self._client:
return
async with self._subscription_lock:
if not self._client or serial not in self._subscribed_serials:
return
topic = f"{serial}/STATUS/#"
await self._client.unsubscribe(topic)
self._subscribed_serials.discard(serial)
_LOGGER.info("Unsubscribed from %s", topic)
async def _resubscribe_all(self) -> None:
"""Resubscribe to all known devices after (re)connect."""
self._subscribed_serials.clear()
for serial, device in self._devices.items():
await self._subscribe_serial(serial)
await self.async_get_all(device)
def start(self) -> None:
"""Start MQTT connection loop."""
if self._loop_task is None or self._loop_task.done():
self._stop_event.clear()
loop = asyncio.get_running_loop()
self._loop_task = loop.create_task(self._mqtt_loop())
async def async_close(self) -> None:
"""Close connection loop and MQTT client."""
await self.stop()
async def stop(self) -> None:
"""Stop MQTT connection loop."""
self._stop_event.set()
if self._loop_task:
self._loop_task.cancel()
try:
await self._loop_task
except asyncio.CancelledError:
pass
if self._client:
try:
await self._client.disconnect()
except Exception:
_LOGGER.exception("Error disconnecting MQTT client")
finally:
self._client = None
# Drop pending commands on stop
while not self._command_queue.empty():
try:
self._command_queue.get_nowait()
self._command_queue.task_done()
except asyncio.QueueEmpty:
break
async def wait_until_ready(
self, device: OasisDevice, timeout: float = 10.0, request_status: bool = True
) -> bool:
"""
Wait until:
1. MQTT client is connected
2. Device sends at least one STATUS message
If request_status=True, a request status command is sent *after* connection.
"""
serial = device.serial_number
if not serial:
raise RuntimeError("Device has no serial_number set")
first_status_event = self._first_status_events.setdefault(
serial, asyncio.Event()
)
# Wait for MQTT connection
try:
await asyncio.wait_for(self._connected_event.wait(), timeout=timeout)
except asyncio.TimeoutError:
_LOGGER.debug(
"Timeout (%.1fs) waiting for MQTT connection (device %s)",
timeout,
serial,
)
return False
# Optionally request a status refresh
if request_status:
try:
first_status_event.clear()
await self.async_get_status(device)
except Exception:
_LOGGER.debug(
"Could not request status for %s (not fully connected yet?)",
serial,
)
# Wait for first status
try:
await asyncio.wait_for(first_status_event.wait(), timeout=timeout)
return True
except asyncio.TimeoutError:
_LOGGER.debug(
"Timeout (%.1fs) waiting for first STATUS message from %s",
timeout,
serial,
)
return False
async def async_get_mac_address(self, device: OasisDevice) -> str | None:
"""For MQTT, GETSTATUS causes MAC_ADDRESS to be published."""
# If already known on the device, return it
if device.mac_address:
return device.mac_address
serial = device.serial_number
if not serial:
raise RuntimeError("Device has no serial_number set")
mac_event = self._mac_events.setdefault(serial, asyncio.Event())
mac_event.clear()
# Ask device to refresh status (including MAC_ADDRESS)
await self.async_get_status(device)
try:
await asyncio.wait_for(mac_event.wait(), timeout=3.0)
except asyncio.TimeoutError:
_LOGGER.debug("Timed out waiting for MAC_ADDRESS for %s", serial)
return device.mac_address
async def async_send_auto_clean_command(
self, device: OasisDevice, auto_clean: bool
) -> None:
"""Send auto clean command."""
payload = f"WRIAUTOCLEAN={1 if auto_clean else 0}"
await self._publish_command(device, payload)
async def async_send_ball_speed_command(
self,
device: OasisDevice,
speed: int,
) -> None:
payload = f"WRIOASISSPEED={speed}"
await self._publish_command(device, payload)
async def async_send_led_command(
self,
device: OasisDevice,
led_effect: str,
color: str,
led_speed: int,
brightness: int,
) -> None:
payload = f"WRILED={led_effect};0;{color};{led_speed};{brightness}"
await self._publish_command(device, payload, bool(brightness))
async def async_send_sleep_command(self, device: OasisDevice) -> None:
await self._publish_command(device, "CMDSLEEP")
async def async_send_move_job_command(
self,
device: OasisDevice,
from_index: int,
to_index: int,
) -> None:
payload = f"MOVEJOB={from_index};{to_index}"
await self._publish_command(device, payload)
async def async_send_change_track_command(
self,
device: OasisDevice,
index: int,
) -> None:
payload = f"CMDCHANGETRACK={index}"
await self._publish_command(device, payload)
async def async_send_add_joblist_command(
self,
device: OasisDevice,
tracks: list[int],
) -> None:
track_str = ",".join(map(str, tracks))
payload = f"ADDJOBLIST={track_str}"
await self._publish_command(device, payload)
async def async_send_set_playlist_command(
self,
device: OasisDevice,
playlist: list[int],
) -> None:
track_str = ",".join(map(str, playlist))
payload = f"WRIJOBLIST={track_str}"
await self._publish_command(device, payload)
async def async_send_set_repeat_playlist_command(
self,
device: OasisDevice,
repeat: bool,
) -> None:
payload = f"WRIREPEATJOB={1 if repeat else 0}"
await self._publish_command(device, payload)
async def async_send_set_autoplay_command(
self,
device: OasisDevice,
option: str,
) -> None:
payload = f"WRIWAITAFTER={option}"
await self._publish_command(device, payload)
async def async_send_upgrade_command(
self,
device: OasisDevice,
beta: bool,
) -> None:
payload = f"CMDUPGRADE={1 if beta else 0}"
await self._publish_command(device, payload)
async def async_send_play_command(self, device: OasisDevice) -> None:
await self._publish_command(device, "CMDPLAY", True)
async def async_send_pause_command(self, device: OasisDevice) -> None:
await self._publish_command(device, "CMDPAUSE")
async def async_send_stop_command(self, device: OasisDevice) -> None:
await self._publish_command(device, "CMDSTOP")
async def async_send_reboot_command(self, device: OasisDevice) -> None:
await self._publish_command(device, "CMDBOOT")
async def async_get_all(self, device: OasisDevice) -> None:
"""Request FULLSTATUS + SCHEDULE (compact snapshot)."""
await self._publish_command(device, "GETALL")
async def async_get_status(self, device: OasisDevice) -> None:
"""Ask device to publish STATUS topics."""
await self._publish_command(device, "GETSTATUS")
async def _enqueue_command(self, serial: str, payload: str) -> None:
"""Queue a command to be sent when connected.
If the queue is full, drop the oldest command to make room.
"""
if self._command_queue.full():
try:
dropped = self._command_queue.get_nowait()
self._command_queue.task_done()
_LOGGER.debug(
"Command queue full, dropping oldest command: %s", dropped
)
except asyncio.QueueEmpty:
# race: became empty between full() and get_nowait()
pass
await self._command_queue.put((serial, payload))
_LOGGER.debug("Queued command for %s: %s", serial, payload)
async def _flush_pending_commands(self) -> None:
"""Send any queued commands now that we're connected."""
if not self._client:
return
while not self._command_queue.empty():
try:
serial, payload = self._command_queue.get_nowait()
except asyncio.QueueEmpty:
break
try:
# Skip commands for unknown devices
if serial not in self._devices:
_LOGGER.debug(
"Skipping queued command for unknown device %s: %s",
serial,
payload,
)
self._command_queue.task_done()
continue
topic = f"{serial}/COMMAND/CMD"
_LOGGER.debug("Flushing queued MQTT command %s => %s", topic, payload)
await self._client.publish(topic, payload.encode(), qos=1)
except Exception:
_LOGGER.debug(
"Failed to flush queued command for %s, re-queuing", serial
)
# Put it back and break; we'll try again on next reconnect
await self._enqueue_command(serial, payload)
self._command_queue.task_done()
break
self._command_queue.task_done()
async def _publish_command(
self, device: OasisDevice, payload: str, wake: bool = False
) -> None:
serial = device.serial_number
if not serial:
raise RuntimeError("Device has no serial number set")
if wake and device.is_sleeping:
await self.async_get_all(device)
# If not connected, just queue the command
if not self._client or not self._connected_event.is_set():
_LOGGER.debug(
"MQTT not connected, queueing command for %s: %s", serial, payload
)
await self._enqueue_command(serial, payload)
return
topic = f"{serial}/COMMAND/CMD"
try:
_LOGGER.debug("MQTT publish %s => %s", topic, payload)
await self._client.publish(topic, payload.encode(), qos=1)
except Exception:
_LOGGER.debug(
"MQTT publish failed, queueing command for %s: %s", serial, payload
)
await self._enqueue_command(serial, payload)
async def _mqtt_loop(self) -> None:
loop = asyncio.get_running_loop()
tls_context = await loop.run_in_executor(None, ssl.create_default_context)
while not self._stop_event.is_set():
try:
_LOGGER.info("Connecting MQTT WSS to wss://%s:%s/%s", HOST, PORT, PATH)
async with aiomqtt.Client(
hostname=HOST,
port=PORT,
transport="websockets",
tls_context=tls_context,
username=base64.b64decode(USERNAME).decode(),
password=base64.b64decode(PASSWORD).decode(),
keepalive=30,
websocket_path=f"/{PATH}",
) as client:
self._client = client
self._connected_event.set()
self._connected_at = datetime.now(UTC)
_LOGGER.info("Connected to MQTT broker")
# Subscribe only to STATUS topics for known devices
await self._resubscribe_all()
# Flush any queued commands now that we're connected
await self._flush_pending_commands()
async for msg in client.messages:
if self._stop_event.is_set():
break
await self._handle_status_message(msg)
except asyncio.CancelledError:
break
except Exception:
_LOGGER.info("MQTT connection error")
finally:
if self._connected_event.is_set():
self._connected_event.clear()
if self._connected_at:
_LOGGER.info(
"MQTT was connected for %s",
datetime.now(UTC) - self._connected_at,
)
self._connected_at = None
self._client = None
self._subscribed_serials.clear()
if not self._stop_event.is_set():
_LOGGER.info(
"Disconnected from broker, retrying in %.1fs", RECONNECT_INTERVAL
)
await asyncio.sleep(RECONNECT_INTERVAL)
async def _handle_status_message(self, msg: aiomqtt.Message) -> None:
"""Map MQTT STATUS topics → OasisDevice.update_from_status_dict payloads."""
topic_str = str(msg.topic) if msg.topic is not None else ""
payload = msg.payload.decode(errors="replace")
parts = topic_str.split("/")
# Expect: "<serial>/STATUS/<STATUS_NAME>"
if len(parts) < 3:
return
serial, _, status_name = parts[:3]
device = self._devices.get(serial)
if not device:
_LOGGER.debug("Received MQTT for unknown device %s: %s", serial, topic_str)
return
data: dict[str, Any] = {}
try:
if status_name == "OASIS_STATUS":
data["status_code"] = int(payload)
elif status_name == "OASIS_ERROR":
data["error"] = int(payload)
elif status_name == "OASIS_SPEEED":
data["ball_speed"] = int(payload)
elif status_name == "JOBLIST":
data["playlist"] = [int(x) for x in payload.split(",") if x]
elif status_name == "CURRENTJOB":
data["playlist_index"] = int(payload)
elif status_name == "CURRENTLINE":
data["progress"] = int(payload)
elif status_name == "LED_EFFECT":
data["led_effect"] = payload
elif status_name == "LED_EFFECT_COLOR":
data["led_color_id"] = payload
elif status_name == "LED_SPEED":
data["led_speed"] = int(payload)
elif status_name == "LED_BRIGHTNESS":
data["brightness"] = int(payload)
elif status_name == "LED_MAX":
data["brightness_max"] = int(payload)
elif status_name == "LED_EFFECT_PARAM":
data["color"] = payload if payload.startswith("#") else None
elif status_name == "SYSTEM_BUSY":
data["busy"] = payload in ("1", "true", "True")
elif status_name == "DOWNLOAD_PROGRESS":
data["download_progress"] = int(payload)
elif status_name == "REPEAT_JOB":
data["repeat_playlist"] = payload in ("1", "true", "True")
elif status_name == "WAIT_AFTER_JOB":
data["autoplay"] = _parse_int(payload)
elif status_name == "AUTO_CLEAN":
data["auto_clean"] = payload in ("1", "true", "True")
elif status_name == "SOFTWARE_VER":
data["software_version"] = payload
elif status_name == "MAC_ADDRESS":
data["mac_address"] = payload
mac_event = self._mac_events.setdefault(serial, asyncio.Event())
mac_event.set()
elif status_name == "WIFI_SSID":
data["wifi_ssid"] = payload
elif status_name == "WIFI_IP":
data["wifi_ip"] = payload
elif status_name == "WIFI_PDNS":
data["wifi_pdns"] = payload
elif status_name == "WIFI_SDNS":
data["wifi_sdns"] = payload
elif status_name == "WIFI_GATE":
data["wifi_gate"] = payload
elif status_name == "WIFI_SUB":
data["wifi_sub"] = payload
elif status_name == "WIFI_STATUS":
data["wifi_connected"] = _bit_to_bool(payload)
elif status_name == "SCHEDULE":
data["schedule"] = payload
elif status_name == "ENVIRONMENT":
data["environment"] = payload
elif status_name == "FULLSTATUS":
if parsed := device.parse_status_string(payload):
data = parsed
else:
_LOGGER.warning(
"Unknown status received for %s: %s=%s",
serial,
status_name,
payload,
)
except Exception: # noqa: BLE001
_LOGGER.exception(
"Error parsing MQTT payload for %s %s: %r", serial, status_name, payload
)
return
if data:
device.update_from_status_dict(data)
first_status_event = self._first_status_events.setdefault(
serial, asyncio.Event()
)
if not first_status_event.is_set():
first_status_event.set()