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plugin.py
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plugin.py
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# Copyright (c) 2021 by xfangfang. All Rights Reserved.
#
# Cherrypy Plugins
# Cherrypy uses Plugin to run background thread
#
from cherrypy.process import plugins
import logging
import threading
from .ssdp import SSDPServer
from .utils import Setting
logger = logging.getLogger("PLUGIN")
class RendererPlugin(plugins.SimplePlugin):
"""Run a background player thread
"""
def __init__(self, bus, renderer):
logger.info('Initializing RenderPlugin')
super(RendererPlugin, self).__init__(bus)
self.renderer = renderer
def start(self):
"""Start RenderPlugin
"""
logger.info('starting RenderPlugin')
self.renderer.start()
self.bus.subscribe('reload_renderer', self.renderer.reload)
self.bus.subscribe('get_renderer', self.get_renderer)
self.bus.subscribe('set_renderer', self.set_renderer)
for method in self.renderer.methods():
self.bus.subscribe(method, getattr(self.renderer, method))
def stop(self):
"""Stop RenderPlugin
"""
logger.info('Stopping RenderPlugin')
self.bus.unsubscribe('reload_renderer', self.renderer.reload)
self.bus.unsubscribe('get_renderer', self.get_renderer)
self.bus.unsubscribe('set_renderer', self.set_renderer)
for method in self.renderer.methods():
self.bus.unsubscribe(method, getattr(self.renderer, method))
self.renderer.stop()
def get_renderer(self):
return self.renderer
def set_renderer(self, renderer):
self.stop()
self.renderer = renderer
self.start()
class ProtocolPlugin(plugins.SimplePlugin):
"""Run a background protocol thread
"""
def __init__(self, bus, protocol):
logger.info('Initializing ProtocolPlugin')
super(ProtocolPlugin, self).__init__(bus)
self.protocol = protocol
def reload_protocol(self):
"""Reload protocol
"""
self.protocol.stop()
self.protocol.start()
def start(self):
"""Start ProtocolPlugin
"""
logger.info('starting ProtocolPlugin')
self.protocol.start()
self.bus.subscribe('reload_protocol', self.protocol.reload)
self.bus.subscribe('get_protocol', self.get_protocol)
self.bus.subscribe('set_protocol', self.set_protocol)
for method in self.protocol.methods():
self.bus.subscribe(method, getattr(self.protocol, method))
def stop(self):
"""Stop ProtocolPlugin
"""
logger.info('Stopping ProtocolPlugin')
self.bus.unsubscribe('reload_protocol', self.protocol.reload)
self.bus.unsubscribe('get_protocol', self.get_protocol)
self.bus.unsubscribe('set_protocol', self.set_protocol)
for method in self.protocol.methods():
self.bus.unsubscribe(method, getattr(self.protocol, method))
self.protocol.stop()
def get_protocol(self):
return self.protocol
def set_protocol(self, protocol):
self.stop()
self.protocol = protocol
self.start()
class SSDPPlugin(plugins.SimplePlugin):
"""Run a background SSDP thread
"""
def __init__(self, bus):
logger.info('Initializing SSDPPlugin')
super(SSDPPlugin, self).__init__(bus)
self.restart_lock = threading.Lock()
self.ssdp = SSDPServer()
self.devices = []
self.build_device_info()
def build_device_info(self):
self.devices = [
'uuid:{}::upnp:rootdevice'.format(Setting.get_usn()),
'uuid:{}'.format(Setting.get_usn()),
'uuid:{}::urn:schemas-upnp-org:device:MediaRenderer:1'.format(
Setting.get_usn()),
'uuid:{}::urn:schemas-upnp-org:service:RenderingControl:1'.format(
Setting.get_usn()),
'uuid:{}::urn:schemas-upnp-org:service:ConnectionManager:1'.format(
Setting.get_usn()),
'uuid:{}::urn:schemas-upnp-org:service:AVTransport:1'.format(
Setting.get_usn())
]
def notify(self):
"""ssdp do notify
"""
for device in self.devices:
self.ssdp.do_notify(device)
def register(self):
"""register device
"""
for device in self.devices:
self.ssdp.register(device,
device[43:] if device[43:] != '' else device,
'http://{{}}:{}/description.xml'.format(Setting.get_port()),
Setting.get_server_info(),
'max-age=66')
def unregister(self):
"""unregister device
"""
for device in self.devices:
self.ssdp.unregister(device)
def update_ip(self):
"""Update the device ip address
"""
with self.restart_lock:
self.ssdp.stop(byebye=False)
self.build_device_info()
self.register()
self.ssdp.start()
def start(self):
"""Start SSDPPlugin
"""
logger.info('starting SSDPPlugin')
self.register()
self.ssdp.start()
self.bus.subscribe('ssdp_notify', self.notify)
self.bus.subscribe('ssdp_update_ip', self.update_ip)
def stop(self):
"""Stop SSDPPlugin
"""
logger.info('Stoping SSDPPlugin')
self.bus.unsubscribe('ssdp_notify', self.notify)
self.bus.unsubscribe('ssdp_update_ip', self.update_ip)
with self.restart_lock:
self.ssdp.stop(byebye=True)