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#!/usr/bin/env python3
import logging
import threading
import os
from time import sleep
from typing import Optional
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.sound import RecordClient
interrupted = False
logger = logging.getLogger(__name__)
server: SoundSensorServer
def get_related_sound_nodes(sensor_name: str) -> list[str]:
if sensor_name not in config['sensor_to_sound_nodes_relations']:
raise ValueError(f'unexpected sensor name {sensor_name}')
return config['sensor_to_sound_nodes_relations'][sensor_name]
def get_sound_node_config(name: str) -> Optional[dict]:
if name in config['sound_nodes']:
cfg = config['sound_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
try:
nodes = get_related_sound_nodes(name)
except ValueError:
logger.error(f'config for node {name} not found')
return
should_continue = False
for node in nodes:
node_config = get_sound_node_config(node)
if node_config is None:
logger.error(f'config for 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 server.is_recording_enabled():
try:
for node in nodes:
node_config = get_sound_node_config(node)
if node_config is None:
logger.error(f'node config for {node} not found')
continue
durations = node_config['durations']
dur = durations[1] if hits > node_config['min_hits'] else durations[0]
record.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: Optional[RecordClient] = None
# record callbacks
# ----------------
def record_error(info: dict, userdata: dict):
node = userdata['node']
logger.error('recording ' + str(dict) + ' from node ' + node + ' failed')
record.forget(node, info['id'])
def record_finished(info: dict, fn: str, userdata: dict):
logger.debug('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):
if name == 'upload_recording':
logger.error('failed to upload recording, exception below')
logger.exception(exc)
else:
logger.error(f'api call ({name}, params={req.params}) failed, exception below')
logger.exception(exc)
def api_success_handler(response, name, req: RequestParams):
if name == 'upload_recording':
node = req.params['node']
rid = req.params['record_id']
logger.debug(f'successfully uploaded recording (node={node}, record_id={rid}), api response:' + str(response))
# deleting temp file
try:
os.unlink(req.files['file'])
except OSError as exc:
logger.error(f'error while deleting temp file:')
logger.exception(exc)
record.forget(node, rid)
if __name__ == '__main__':
config.load('sound_sensor_server')
hc = HitCounter()
api = WebAPIClient(timeout=(10, 60))
api.enable_async(error_handler=api_error_handler,
success_handler=api_success_handler)
t = threading.Thread(target=hits_sender)
t.daemon = True
t.start()
nodes = {}
for nodename, nodecfg in config['sound_nodes'].items():
nodes[nodename] = parse_addr(nodecfg['addr'])
record = RecordClient(nodes,
error_handler=record_error,
finished_handler=record_finished)
try:
server = SoundSensorServer(parse_addr(config['server']['listen']), HitHandler)
server.run()
except KeyboardInterrupt:
interrupted = True
record.stop()
logging.info('keyboard interrupt, exiting...')
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