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#!/usr/bin/env python3
import logging
import threading
from time import sleep
from typing import Optional
from functools import partial
from home.config import config
from home.util import parse_addr
from home.api import WebAPIClient, RequestParams
from home.api.types import SoundSensorLocation
from home.soundsensor import SoundSensorServer, SoundSensorHitHandler
from home.media import MediaNodeType, SoundRecordClient, CameraRecordClient, RecordClient
interrupted = False
logger = logging.getLogger(__name__)
server: SoundSensorServer
def get_related_nodes(node_type: MediaNodeType,
sensor_name: str) -> list[str]:
if sensor_name not in config[f'sensor_to_{node_type.name.lower()}_nodes_relations']:
raise ValueError(f'unexpected sensor name {sensor_name}')
return config[f'sensor_to_{node_type.name.lower()}_nodes_relations'][sensor_name]
def get_node_config(node_type: MediaNodeType,
name: str) -> Optional[dict]:
if name in config[f'{node_type.name.lower()}_nodes']:
cfg = config[f'{node_type.name.lower()}_nodes'][name]
if 'min_hits' not in cfg:
cfg['min_hits'] = 1
return cfg
else:
return None
class HitCounter:
def __init__(self):
self.sensors = {}
self.lock = threading.Lock()
self._reset_sensors()
def _reset_sensors(self):
for loc in SoundSensorLocation:
self.sensors[loc.name.lower()] = 0
def add(self, name: str, hits: int):
if name not in self.sensors:
raise ValueError(f'sensor {name} not found')
with self.lock:
self.sensors[name] += hits
def get_all(self) -> list[tuple[str, int]]:
vals = []
with self.lock:
for name, hits in self.sensors.items():
if hits > 0:
vals.append((name, hits))
self._reset_sensors()
return vals
class HitHandler(SoundSensorHitHandler):
def handler(self, name: str, hits: int):
if not hasattr(SoundSensorLocation, name.upper()):
logger.error(f'invalid sensor name: {name}')
return
should_continue = False
for node_type in MediaNodeType:
try:
nodes = get_related_nodes(node_type, name)
except ValueError:
logger.error(f'config for {node_type.name.lower()} node {name} not found')
return
for node in nodes:
node_config = get_node_config(node_type, node)
if node_config is None:
logger.error(f'config for {node_type.name.lower()} node {node} not found')
continue
if hits < node_config['min_hits']:
continue
should_continue = True
if not should_continue:
return
hc.add(name, hits)
if not server.is_recording_enabled():
return
for node_type in MediaNodeType:
try:
nodes = get_related_nodes(node_type, name)
for node in nodes:
node_config = get_node_config(node_type, node)
if node_config is None:
logger.error(f'node config for {node_type.name.lower()} node {node} not found')
continue
durations = node_config['durations']
dur = durations[1] if hits > node_config['min_hits'] else durations[0]
record_clients[node_type].record(node, dur*60, {'node': node})
except ValueError as exc:
logger.exception(exc)
def hits_sender():
while not interrupted:
all_hits = hc.get_all()
if all_hits:
api.add_sound_sensor_hits(all_hits)
sleep(5)
api: Optional[WebAPIClient] = None
hc: Optional[HitCounter] = None
record_clients: dict[MediaNodeType, RecordClient] = {}
# record callbacks
# ----------------
def record_error(type: MediaNodeType,
info: dict,
userdata: dict):
node = userdata['node']
logger.error('recording ' + str(dict) + f' from {type.name.lower()} node ' + node + ' failed')
record_clients[type].forget(node, info['id'])
def record_finished(type: MediaNodeType,
info: dict,
fn: str,
userdata: dict):
logger.debug(f'{type.name.lower()} record finished: ' + str(info))
# audio could have been requested by other user (telegram bot, for example)
# so we shouldn't 'forget' it here
# node = userdata['node']
# record.forget(node, info['id'])
# api client callbacks
# --------------------
def api_error_handler(exc, name, req: RequestParams):
logger.error(f'api call ({name}, params={req.params}) failed, exception below')
logger.exception(exc)
if __name__ == '__main__':
config.load('sound_sensor_server')
hc = HitCounter()
api = WebAPIClient(timeout=(10, 60))
api.enable_async(error_handler=api_error_handler)
t = threading.Thread(target=hits_sender)
t.daemon = True
t.start()
sound_nodes = {}
for nodename, nodecfg in config['sound_nodes'].items():
sound_nodes[nodename] = parse_addr(nodecfg['addr'])
camera_nodes = {}
for nodename, nodecfg in config['camera_nodes'].items():
camera_nodes[nodename] = parse_addr(nodecfg['addr'])
if sound_nodes:
record_clients[MediaNodeType.SOUND] = SoundRecordClient(sound_nodes,
error_handler=partial(record_error, MediaNodeType.SOUND),
finished_handler=partial(record_finished, MediaNodeType.SOUND))
if camera_nodes:
record_clients[MediaNodeType.CAMERA] = CameraRecordClient(camera_nodes,
error_handler=partial(record_error, MediaNodeType.CAMERA),
finished_handler=partial(record_finished, MediaNodeType.CAMERA))
try:
server = SoundSensorServer(parse_addr(config['server']['listen']), HitHandler)
server.run()
except KeyboardInterrupt:
interrupted = True
for c in record_clients.values():
c.stop()
logging.info('keyboard interrupt, exiting...')
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