daphne/channels/management/commands/runserver.py
2016-01-02 17:53:53 -08:00

54 lines
1.7 KiB
Python

import threading
from django.core.management.commands.runserver import \
Command as RunserverCommand
from channels import DEFAULT_CHANNEL_LAYER, channel_layers
from channels.handler import ViewConsumer
from channels.log import setup_logger
from channels.worker import Worker
class Command(RunserverCommand):
def handle(self, *args, **options):
self.verbosity = options.get("verbosity", 1)
self.logger = setup_logger('django.channels', self.verbosity)
super(Command, self).handle(*args, **options)
def run(self, *args, **options):
# Don't autoreload for now
self.inner_run(None, **options)
def inner_run(self, *args, **options):
# Check a handler is registered for http reqs; if not, add default one
self.channel_layer = channel_layers[DEFAULT_CHANNEL_LAYER]
if not self.channel_layer.registry.consumer_for_channel("http.request"):
self.channel_layer.registry.add_consumer(ViewConsumer(), ["http.request"])
# Note that this is the channel-enabled one on the console
self.logger.info("Worker thread running, channels enabled")
# Launch a worker thread
worker = WorkerThread(self.channel_layer)
worker.daemon = True
worker.start()
# Launch server in main thread
from daphne.server import Server
Server(
channel_layer=self.channel_layer,
host=self.addr,
port=int(self.port),
).run()
class WorkerThread(threading.Thread):
"""
Class that runs a worker
"""
def __init__(self, channel_layer):
super(WorkerThread, self).__init__()
self.channel_layer = channel_layer
def run(self):
Worker(channel_layer=self.channel_layer).run()