fix local peer discovery
This commit is contained in:
parent
d8cd9ecd4f
commit
2b58800caa
3 changed files with 56 additions and 39 deletions
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@ -1,11 +1,13 @@
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# -*- coding: utf-8 -*-
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import asyncio
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import socket
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import netifaces
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from zeroconf import (
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ServiceBrowser, ServiceInfo, ServiceStateChange, Zeroconf
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ServiceBrowser, ServiceInfo, ServiceStateChange
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)
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from zeroconf.asyncio import AsyncZeroconf
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from tornado.ioloop import PeriodicCallback
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import settings
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@ -64,87 +66,101 @@ class LocalNodes(dict):
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def setup(self):
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self.local_ips = get_broadcast_interfaces()
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self.zeroconf = {ip: Zeroconf(interfaces=[ip]) for ip in self.local_ips}
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self.register_service()
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self.zeroconf = {ip: AsyncZeroconf(interfaces=[ip]) for ip in self.local_ips}
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asyncio.create_task(self.register_service())
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self.browse()
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def _update_if_ip_changed(self):
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local_ips = get_broadcast_interfaces()
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username = settings.preferences.get('username', 'anonymous')
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if local_ips != self.local_ips or self.username != username:
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self.close()
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asyncio.run(self.close())
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self.setup()
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def browse(self):
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self.browser = {
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ip: ServiceBrowser(self.zeroconf[ip], self.service_type, handlers=[self.on_service_state_change])
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ip: ServiceBrowser(self.zeroconf[ip].zeroconf, self.service_type, handlers=[self.on_service_state_change])
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for ip in self.zeroconf
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}
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def register_service(self):
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async def register_service(self):
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if self.local_info:
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for local_ip, local_info in self.local_info:
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self.zeroconf[local_ip].unregister_service(local_info)
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self.zeroconf[local_ip].async_unregister_service(local_info)
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self.local_info = None
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local_name = socket.gethostname().partition('.')[0] + '.local.'
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port = settings.server['node_port']
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self.local_info = []
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self.username = settings.preferences.get('username', 'anonymous')
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desc = {
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'username': self.username
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'username': self.username,
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'id': settings.USER_ID,
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}
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self.local_info = []
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tasks = []
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for i, local_ip in enumerate(get_broadcast_interfaces()):
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if i:
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name = '%s-%s [%s].%s' % (desc['username'], i+1, settings.USER_ID, self.service_type)
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name = '%s [%s].%s' % (desc['username'], i, self.service_type)
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else:
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name = '%s [%s].%s' % (desc['username'], settings.USER_ID, self.service_type)
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local_info = ServiceInfo(self.service_type, name,
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socket.inet_aton(local_ip), port, 0, 0, desc, local_name)
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self.zeroconf[local_ip].register_service(local_info)
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name = '%s.%s' % (desc['username'], self.service_type)
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addresses = [socket.inet_aton(local_ip)]
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local_info = ServiceInfo(self.service_type, name, port, 0, 0, desc, local_name, addresses=addresses)
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task = self.zeroconf[local_ip].async_register_service(local_info)
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tasks.append(task)
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self.local_info.append((local_ip, local_info))
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await asyncio.gather(*tasks)
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def __del__(self):
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self.close()
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def close(self):
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async def close(self):
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if self.local_info:
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tasks = []
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for local_ip, local_info in self.local_info:
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try:
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self.zeroconf[local_ip].unregister_service(local_info)
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task = self.zeroconf[local_ip].async_unregister_service(local_info)
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tasks.append(task)
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except:
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logger.debug('exception closing zeroconf', exc_info=True)
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self.local_info = None
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if self.zeroconf:
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for local_ip in self.zeroconf:
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try:
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self.zeroconf[local_ip].close()
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task = self.zeroconf[local_ip].async_close()
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tasks.append(task)
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except:
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logger.debug('exception closing zeroconf', exc_info=True)
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self.zeroconf = None
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for id in list(self):
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self.pop(id, None)
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await asyncio.gather(*tasks)
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def on_service_state_change(self, zeroconf, service_type, name, state_change):
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if '[' not in name:
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id = name.split('.')[0]
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else:
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id = name.split('[')[1].split(']')[0]
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info = zeroconf.get_service_info(service_type, name)
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if info and b'id' in info.properties:
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id = info.properties[b'id'].decode()
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if id == settings.USER_ID:
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return
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if state_change is ServiceStateChange.Added:
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info = zeroconf.get_service_info(service_type, name)
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if info:
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new = id not in self
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self[id] = {
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'id': id,
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'host': socket.inet_ntoa(info.address),
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'host': socket.inet_ntoa(info.addresses[0]),
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'port': info.port
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}
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if info.properties:
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for key, value in info.properties.items():
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key = key.decode()
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self[id][key] = value.decode()
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logger.debug('add: %s [%s] (%s:%s)', self[id].get('username', 'anon'), id, self[id]['host'], self[id]['port'])
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logger.debug(
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'%s: %s [%s] (%s:%s)',
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'add' if new else 'update',
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self[id].get('username', 'anon'),
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id,
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self[id]['host'],
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self[id]['port']
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)
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if state.tasks and id in self:
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state.tasks.queue('addlocalinfo', self[id])
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elif state_change is ServiceStateChange.Removed:
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@ -622,12 +622,12 @@ class Nodes(Thread):
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node.pullChanges()
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self._pulling = False
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def join(self):
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async def join(self):
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self._q.put(None)
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for node in list(self._nodes.values()):
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node.join()
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if self.local:
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self.local.close()
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await self.local.close()
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return super().join(1)
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def publish_node():
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@ -1,5 +1,6 @@
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# -*- coding: utf-8 -*-
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import asyncio
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import os
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import sys
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import signal
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@ -59,13 +60,13 @@ def log_request(handler):
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log_method("%d %s %.2fms", handler.get_status(),
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handler._request_summary(), request_time)
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def shutdown():
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async def shutdown():
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state.shutdown = True
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if state.tor:
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state.tor._shutdown = True
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if state.nodes:
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logger.debug('shutdown nodes')
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state.nodes.join()
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await state.nodes.join()
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if state.downloads:
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logger.debug('shutdown downloads')
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state.downloads.join()
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@ -197,10 +198,10 @@ def run():
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print('open browser at %s' % url)
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logger.debug('Starting OML %s at %s', settings.VERSION, url)
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signal.signal(signal.SIGTERM, shutdown)
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signal.signal(signal.SIGTERM, lambda _, __: sys.exit(0))
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try:
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state.main.start()
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except:
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print('shutting down...')
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shutdown()
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asyncio.run(shutdown())
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