149 lines
		
	
	
		
			5.2 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			149 lines
		
	
	
		
			5.2 KiB
		
	
	
	
		
			Python
		
	
	
| #!/usr/bin/env python
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| # -*- coding: utf-8 -*-
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| # Copyright 2015 OpenMarket Ltd
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| #
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| # Licensed under the Apache License, Version 2.0 (the "License");
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| # you may not use this file except in compliance with the License.
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| # You may obtain a copy of the License at
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| #
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| #     http://www.apache.org/licenses/LICENSE-2.0
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| #
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| # Unless required by applicable law or agreed to in writing, software
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| # distributed under the License is distributed on an "AS IS" BASIS,
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| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| # See the License for the specific language governing permissions and
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| # limitations under the License.
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| 
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| from twisted.internet import defer
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| 
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| from httppusher import HttpPusher
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| from synapse.push import PusherConfigException
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| 
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| import logging
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| 
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| logger = logging.getLogger(__name__)
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| 
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| 
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| class PusherPool:
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|     def __init__(self, _hs):
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|         self.hs = _hs
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|         self.store = self.hs.get_datastore()
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|         self.pushers = {}
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|         self.last_pusher_started = -1
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| 
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|         distributor = self.hs.get_distributor()
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|         distributor.observe(
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|             "user_presence_changed", self.user_presence_changed
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|         )
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| 
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|     @defer.inlineCallbacks
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|     def user_presence_changed(self, user, state):
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|         user_name = user.to_string()
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| 
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|         # until we have read receipts, pushers use this to reset a user's
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|         # badge counters to zero
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|         for p in self.pushers.values():
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|             if p.user_name == user_name:
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|                 yield p.presence_changed(state)
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| 
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|     @defer.inlineCallbacks
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|     def start(self):
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|         pushers = yield self.store.get_all_pushers()
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|         self._start_pushers(pushers)
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| 
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|     @defer.inlineCallbacks
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|     def add_pusher(self, user_name, profile_tag, kind, app_id,
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|                    app_display_name, device_display_name, pushkey, lang, data):
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|         # we try to create the pusher just to validate the config: it
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|         # will then get pulled out of the database,
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|         # recreated, added and started: this means we have only one
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|         # code path adding pushers.
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|         self._create_pusher({
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|             "user_name": user_name,
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|             "kind": kind,
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|             "profile_tag": profile_tag,
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|             "app_id": app_id,
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|             "app_display_name": app_display_name,
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|             "device_display_name": device_display_name,
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|             "pushkey": pushkey,
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|             "pushkey_ts": self.hs.get_clock().time_msec(),
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|             "lang": lang,
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|             "data": data,
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|             "last_token": None,
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|             "last_success": None,
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|             "failing_since": None
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|         })
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|         yield self._add_pusher_to_store(
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|             user_name, profile_tag, kind, app_id,
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|             app_display_name, device_display_name,
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|             pushkey, lang, data
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|         )
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| 
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|     @defer.inlineCallbacks
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|     def _add_pusher_to_store(self, user_name, profile_tag, kind, app_id,
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|                              app_display_name, device_display_name,
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|                              pushkey, lang, data):
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|         yield self.store.add_pusher(
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|             user_name=user_name,
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|             profile_tag=profile_tag,
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|             kind=kind,
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|             app_id=app_id,
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|             app_display_name=app_display_name,
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|             device_display_name=device_display_name,
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|             pushkey=pushkey,
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|             pushkey_ts=self.hs.get_clock().time_msec(),
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|             lang=lang,
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|             data=data,
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|         )
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|         self._refresh_pusher((app_id, pushkey))
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| 
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|     def _create_pusher(self, pusherdict):
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|         if pusherdict['kind'] == 'http':
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|             return HttpPusher(
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|                 self.hs,
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|                 profile_tag=pusherdict['profile_tag'],
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|                 user_name=pusherdict['user_name'],
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|                 app_id=pusherdict['app_id'],
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|                 app_display_name=pusherdict['app_display_name'],
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|                 device_display_name=pusherdict['device_display_name'],
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|                 pushkey=pusherdict['pushkey'],
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|                 pushkey_ts=pusherdict['pushkey_ts'],
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|                 data=pusherdict['data'],
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|                 last_token=pusherdict['last_token'],
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|                 last_success=pusherdict['last_success'],
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|                 failing_since=pusherdict['failing_since']
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|             )
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|         else:
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|             raise PusherConfigException(
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|                 "Unknown pusher type '%s' for user %s" %
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|                 (pusherdict['kind'], pusherdict['user_name'])
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|             )
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| 
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|     @defer.inlineCallbacks
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|     def _refresh_pusher(self, app_id_pushkey):
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|         p = yield self.store.get_pushers_by_app_id_and_pushkey(
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|             app_id_pushkey
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|         )
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| 
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|         self._start_pushers([p])
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| 
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|     def _start_pushers(self, pushers):
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|         logger.info("Starting %d pushers", len(pushers))
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|         for pusherdict in pushers:
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|             p = self._create_pusher(pusherdict)
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|             if p:
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|                 fullid = "%s:%s" % (pusherdict['app_id'], pusherdict['pushkey'])
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|                 if fullid in self.pushers:
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|                     self.pushers[fullid].stop()
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|                 self.pushers[fullid] = p
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|                 p.start()
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| 
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|     @defer.inlineCallbacks
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|     def remove_pusher(self, app_id, pushkey):
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|         fullid = "%s:%s" % (app_id, pushkey)
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|         if fullid in self.pushers:
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|             logger.info("Stopping pusher %s", fullid)
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|             self.pushers[fullid].stop()
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|             del self.pushers[fullid]
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|         yield self.store.delete_pusher_by_app_id_pushkey(app_id, pushkey)
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