1 files changed, 178 insertions, 0 deletions
diff --git a/src/sound_sensor_server.py b/src/sound_sensor_server.py
new file mode 100755
index 0000000..b888429
--- /dev/null
+++ b/src/sound_sensor_server.py
@@ -0,0 +1,178 @@
+#!/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']:
+        return config['sound_nodes'][name]
+    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
+
+        node_config = get_sound_node_config(name)
+        if node_config is None:
+            logger.error(f'config for node {name} not found')
+            return
+
+        min_hits = node_config['min_hits'] if 'min_hits' in node_config else 1
+        if hits < min_hits:
+            return
+
+        hc.add(name, hits)
+
+        if server.is_recording_enabled():
+            try:
+                nodes = get_related_sound_nodes(name)
+                for node in nodes:
+                    durations = config['sound_nodes'][node]['durations']
+                    dur = durations[1] if hits > 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...')