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remove gevent fixes #920

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This commit is contained in:
Blake Blackshear 2021-06-14 07:31:13 -05:00
parent bbe3f07ec6
commit cbdf2c2c71
6 changed files with 122 additions and 117 deletions
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3
docker/Dockerfile.base
View File

@ -38,9 +38,6 @@ RUN pip3 install \
peewee_migrate \
zeroconf \
voluptuous\
Flask-Sockets \
gevent \
gevent-websocket \
ws4py
COPY --from=nginx /usr/local/nginx/ /usr/local/nginx/

3
docker/Dockerfile.wheels
View File

@ -34,8 +34,7 @@ RUN pip3 wheel --wheel-dir=/wheels \
matplotlib \
click \
setproctitle \
peewee \
gevent
peewee
FROM scratch

7
docker/rootfs/usr/local/nginx/conf/nginx.conf
View File

@ -33,6 +33,11 @@ http {
keepalive 1024;
}
upstream mqtt_ws {
server localhost:5002;
keepalive 1024;
}
upstream jsmpeg {
server localhost:8082;
keepalive 1024;
@ -139,7 +144,7 @@ http {
}
location /ws {
proxy_pass http://frigate_api/ws;
proxy_pass http://mqtt_ws/;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "Upgrade";

37
frigate/app.py
View File

@ -2,26 +2,25 @@ import json
import logging
import multiprocessing as mp
import os
import signal
import sys
import threading
from logging.handlers import QueueHandler
from typing import Dict, List
import sys
import signal
import yaml
from gevent import pywsgi
from geventwebsocket.handler import WebSocketHandler
from peewee_migrate import Router
from playhouse.sqlite_ext import SqliteExtDatabase
from playhouse.sqliteq import SqliteQueueDatabase
from frigate.config import FrigateConfig
from frigate.const import RECORD_DIR, CLIPS_DIR, CACHE_DIR
from frigate.const import CACHE_DIR, CLIPS_DIR, RECORD_DIR
from frigate.edgetpu import EdgeTPUProcess
from frigate.events import EventProcessor, EventCleanup
from frigate.events import EventCleanup, EventProcessor
from frigate.http import create_app
from frigate.log import log_process, root_configurer
from frigate.models import Event, Recordings
from frigate.mqtt import create_mqtt_client
from frigate.mqtt import create_mqtt_client, MqttSocketRelay
from frigate.object_processing import TrackedObjectProcessor
from frigate.output import output_frames
from frigate.record import RecordingMaintainer
@ -121,8 +120,8 @@ class FrigateApp:
for log, level in self.config.logger.logs.items():
logging.getLogger(log).setLevel(level)
if not "geventwebsocket.handler" in self.config.logger.logs:
logging.getLogger("geventwebsocket.handler").setLevel("ERROR")
if not "werkzeug" in self.config.logger.logs:
logging.getLogger("werkzeug").setLevel("ERROR")
def init_queues(self):
# Queues for clip processing
@ -166,12 +165,18 @@ class FrigateApp:
self.db,
self.stats_tracking,
self.detected_frames_processor,
self.mqtt_client,
# self.mqtt_client,
)
def init_mqtt(self):
self.mqtt_client = create_mqtt_client(self.config, self.camera_metrics)
def start_mqtt_relay(self):
self.mqtt_relay = MqttSocketRelay(
self.mqtt_client, self.config.mqtt.topic_prefix
)
self.mqtt_relay.start()
def start_detectors(self):
model_shape = (self.config.model.height, self.config.model.width)
for name in self.config.cameras.keys():
@ -267,10 +272,6 @@ class FrigateApp:
capture_process.start()
logger.info(f"Capture process started for {name}: {capture_process.pid}")
def start_birdseye_outputter(self):
self.birdseye_outputter = BirdsEyeFrameOutputter(self.stop_event)
self.birdseye_outputter.start()
def start_event_processor(self):
self.event_processor = EventProcessor(
self.config,
@ -330,6 +331,7 @@ class FrigateApp:
self.start_camera_capture_processes()
self.init_stats()
self.init_web_server()
self.start_mqtt_relay()
self.start_event_processor()
self.start_event_cleanup()
self.start_recording_maintainer()
@ -343,12 +345,8 @@ class FrigateApp:
signal.signal(signal.SIGTERM, receiveSignal)
server = pywsgi.WSGIServer(
("127.0.0.1", 5001), self.flask_app, handler_class=WebSocketHandler
)
try:
server.serve_forever()
self.flask_app.run(host="127.0.0.1", port=5001, debug=False)
except KeyboardInterrupt:
pass
@ -358,6 +356,7 @@ class FrigateApp:
logger.info(f"Stopping...")
self.stop_event.set()
self.mqtt_relay.stop()
self.detected_frames_processor.join()
self.event_processor.join()
self.event_cleanup.join()

93
frigate/http.py
View File

@ -11,7 +11,7 @@ from functools import reduce
from pathlib import Path
import cv2
import gevent
import numpy as np
from flask import (
Blueprint,
@ -22,7 +22,7 @@ from flask import (
make_response,
request,
)
from flask_sockets import Sockets
from peewee import SqliteDatabase, operator, fn, DoesNotExist, Value
from playhouse.shortcuts import model_to_dict
@ -35,74 +35,6 @@ from frigate.version import VERSION
logger = logging.getLogger(__name__)
bp = Blueprint("frigate", __name__)
ws = Blueprint("ws", __name__)
class MqttBackend:
"""Interface for registering and updating WebSocket clients."""
def __init__(self, mqtt_client, topic_prefix):
self.clients = list()
self.mqtt_client = mqtt_client
self.topic_prefix = topic_prefix
def register(self, client):
"""Register a WebSocket connection for Mqtt updates."""
self.clients.append(client)
def publish(self, message):
try:
json_message = json.loads(message)
json_message = {
"topic": f"{self.topic_prefix}/{json_message['topic']}",
"payload": json_message["payload"],
"retain": json_message.get("retain", False),
}
except:
logger.warning("Unable to parse websocket message as valid json.")
return
logger.debug(
f"Publishing mqtt message from websockets at {json_message['topic']}."
)
self.mqtt_client.publish(
json_message["topic"],
json_message["payload"],
retain=json_message["retain"],
)
def run(self):
def send(client, userdata, message):
"""Sends mqtt messages to clients."""
try:
logger.debug(f"Received mqtt message on {message.topic}.")
ws_message = json.dumps(
{
"topic": message.topic.replace(f"{self.topic_prefix}/", ""),
"payload": message.payload.decode(),
}
)
except:
# if the payload can't be decoded don't relay to clients
logger.debug(
f"MQTT payload for {message.topic} wasn't text. Skipping..."
)
return
for client in self.clients:
try:
client.send(ws_message)
except:
logger.debug(
"Removing websocket client due to a closed connection."
)
self.clients.remove(client)
self.mqtt_client.message_callback_add(f"{self.topic_prefix}/#", send)
def start(self):
"""Maintains mqtt subscription in the background."""
gevent.spawn(self.run)
def create_app(
@ -110,10 +42,8 @@ def create_app(
database: SqliteDatabase,
stats_tracking,
detected_frames_processor,
mqtt_client,
):
app = Flask(__name__)
sockets = Sockets(app)
@app.before_request
def _db_connect():
@ -129,10 +59,6 @@ def create_app(
app.detected_frames_processor = detected_frames_processor
app.register_blueprint(bp)
sockets.register_blueprint(ws)
app.mqtt_backend = MqttBackend(mqtt_client, frigate_config.mqtt.topic_prefix)
app.mqtt_backend.start()
return app
@ -613,7 +539,7 @@ def vod(year_month, day, hour, camera):
def imagestream(detected_frames_processor, camera_name, fps, height, draw_options):
while True:
# max out at specified FPS
gevent.sleep(1 / fps)
time.sleep(1 / fps)
frame = detected_frames_processor.get_current_frame(camera_name, draw_options)
if frame is None:
frame = np.zeros((height, int(height * 16 / 9), 3), np.uint8)
@ -626,16 +552,3 @@ def imagestream(detected_frames_processor, camera_name, fps, height, draw_option
b"--frame\r\n"
b"Content-Type: image/jpeg\r\n\r\n" + jpg.tobytes() + b"\r\n\r\n"
)
@ws.route("/ws")
def echo_socket(socket):
current_app.mqtt_backend.register(socket)
while not socket.closed:
# Sleep to prevent *constant* context-switches.
gevent.sleep(0.1)
message = socket.receive()
if message:
current_app.mqtt_backend.publish(message)

96
frigate/mqtt.py
View File

@ -1,7 +1,16 @@
import json
import logging
import threading
from wsgiref.simple_server import make_server
import paho.mqtt.client as mqtt
from ws4py.server.wsgirefserver import (
WebSocketWSGIHandler,
WebSocketWSGIRequestHandler,
WSGIServer,
)
from ws4py.server.wsgiutils import WebSocketWSGIApplication
from ws4py.websocket import WebSocket
from frigate.config import FrigateConfig
@ -117,8 +126,15 @@ def create_mqtt_client(config: FrigateConfig, camera_metrics):
)
if not mqtt_config.tls_ca_certs is None:
if not mqtt_config.tls_client_cert is None and not mqtt_config.tls_client_key is None:
client.tls_set(mqtt_config.tls_ca_certs, mqtt_config.tls_client_cert, mqtt_config.tls_client_key)
if (
not mqtt_config.tls_client_cert is None
and not mqtt_config.tls_client_key is None
):
client.tls_set(
mqtt_config.tls_ca_certs,
mqtt_config.tls_client_cert,
mqtt_config.tls_client_key,
)
else:
client.tls_set(mqtt_config.tls_ca_certs)
if not mqtt_config.tls_insecure is None:
@ -151,3 +167,79 @@ def create_mqtt_client(config: FrigateConfig, camera_metrics):
)
return client
class MqttSocketRelay:
def __init__(self, mqtt_client, topic_prefix):
self.mqtt_client = mqtt_client
self.topic_prefix = topic_prefix
def start(self):
class MqttWebSocket(WebSocket):
topic_prefix = self.topic_prefix
mqtt_client = self.mqtt_client
def received_message(self, message):
try:
json_message = json.loads(message.data.decode("utf-8"))
json_message = {
"topic": f"{self.topic_prefix}/{json_message['topic']}",
"payload": json_message["payload"],
"retain": json_message.get("retain", False),
}
except Exception as e:
logger.warning("Unable to parse websocket message as valid json.")
return
logger.debug(
f"Publishing mqtt message from websockets at {json_message['topic']}."
)
self.mqtt_client.publish(
json_message["topic"],
json_message["payload"],
retain=json_message["retain"],
)
# start a websocket server on 5002
WebSocketWSGIHandler.http_version = "1.1"
self.websocket_server = make_server(
"127.0.0.1",
5002,
server_class=WSGIServer,
handler_class=WebSocketWSGIRequestHandler,
app=WebSocketWSGIApplication(handler_cls=MqttWebSocket),
)
self.websocket_server.initialize_websockets_manager()
self.websocket_thread = threading.Thread(
target=self.websocket_server.serve_forever
)
def send(client, userdata, message):
"""Sends mqtt messages to clients."""
try:
logger.debug(f"Received mqtt message on {message.topic}.")
ws_message = json.dumps(
{
"topic": message.topic.replace(f"{self.topic_prefix}/", ""),
"payload": message.payload.decode(),
}
)
except Exception as e:
# if the payload can't be decoded don't relay to clients
logger.debug(
f"MQTT payload for {message.topic} wasn't text. Skipping..."
)
return
self.websocket_server.manager.broadcast(ws_message)
self.mqtt_client.message_callback_add(f"{self.topic_prefix}/#", send)
self.websocket_thread.start()
def stop(self):
self.websocket_server.manager.close_all()
self.websocket_server.manager.stop()
self.websocket_server.manager.join()
self.websocket_server.shutdown()
self.websocket_thread.join()